nc

Accessing model specific registers (MSR) with different sets of distinct microinstructions for instructions of different instruction set architecture (ISA)

A microprocessor capable of running both x86 instruction set architecture (ISA) machine language programs and Advanced RISC Machines (ARM) ISA machine language programs. The microprocessor includes a mode indicator that indicates whether the microprocessor is currently fetching instructions of an x86 ISA or ARM ISA machine language program. The microprocessor also includes a plurality of model-specific registers (MSRs) that control aspects of the operation of the microprocessor. When the mode indicator indicates the microprocessor is currently fetching x86 ISA machine language program instructions, each of the plurality of MSRs is accessible via an x86 ISA RDMSR/WRMSR instruction that specifies an address of the MSR. When the mode indicator indicates the microprocessor is currently fetching ARM ISA machine language program instructions, each of the plurality of MSRs is accessible via an ARM ISA MRRC/MCRR instruction that specifies the address of the MSR.




nc

Enhanced instruction scheduling during compilation of high level source code for improved executable code

Systems and methods for static code scheduling are disclosed. A method can include receiving an intermediate representation of source code, building a directed acyclic graph (DAG) for the intermediate representation, and creating chains of dependent instructions from the DAG for cluster formation. The chains are merged into clusters and each node in the DAG is marked with an identifier of a cluster it is part of to generate a marked instruction DAG. Instruction DAG scheduling is then performed using information about the clusters to generate an ordered intermediate representation of the source code.




nc

Unified and extensible asynchronous and synchronous cancelation

A cancelation registry provides a cancelation interface whose implementation registers cancelable items such as synchronous operations, asynchronous operations, type instances, and transactions. Items may be implicitly or explicitly registered with the cancelation registry. A consistent cancelation interface unifies cancelation management for heterogeneous items, and allows cancelation of a group of items with a single invocation of a cancel-registered-items procedure.




nc

System for selecting software components based on a degree of coherence

Disclosed is a novel system and method to select software components. A set of available software components are accessed. Next, one or more dimensions are defined. Each dimension is an attribute to the set of available software components. A set of coherence distances between each pair of the available software components in the set of available software components is calculated for each of the dimensions that have been defined. Each of the coherence distances are combined between each pair of the available software components that has been calculated in the set of the coherence distances into an overall coherence degree for each of the available software components. Using the overall coherence degree, one or more software components are selected to be included in a software bundle.




nc

Identifying differences between source codes of different versions of a software when each source code is organized using incorporated files

An aspect of the present invention identifies differences between source codes (e.g. of different versions of a software), when each source code is organized using incorporated files. In one embodiment, in response to receiving identifiers of a first and second source codes (each source code being organized as a corresponding set of code files), listings of the instructions in the first and second source codes are constructed. Each listing is constructed, for example, by replacing each incorporate statement in the source code with instructions stored in a corresponding one of code files. The differences between the first and second source codes are then found by comparing the constructed listings of instructions.




nc

System and method for efficient compilation and invocation of function type calls

A system and method for efficient compilation and invocation of function type calls in a virtual machine (VM), or other runtime environment, and particularly for use in a system that includes a Java Virtual Machine (JVM). In accordance with an embodiment, the system comprises a virtual machine for executing a software application; a memory space for the application byte code comprising callsites generated using a function type carrier; a bytecode to machine code compiler which performs MethodHandle invocation optimizations; a memory space for the compiled machine code; and a memory space for storing software objects as part of the software application. The system enables carrying the function type from the original MethodHandle to a callsite in the generated bytecode, including maintaining generics information for a function type acquired from a target function, and generating a callsite based on the generics information for the function object invocation.




nc

Generic download and upload functionality in a client/server web application architecture

The present invention relates generally to client-server architectures for allowing generic upload and download functionality between a web application at a server and a client. One exemplary method includes sending a download/upload request to a web application at the server, where the download/upload request specifies at least one file to download/upload; receiving a transmission from the server; parsing the transmission to identify a download/upload command and an associated download/upload manifest, where the download/upload manifest includes executable code that, when executed on the client, will perform the download/upload of the at least one file.




nc

Methods and systems to identify and reproduce concurrency violations in multi-threaded programs using expressions

Methods and systems to identify and reproduce concurrency bugs in multi-threaded programs are disclosed. An example method disclosed herein includes defining a data type. The data type includes a first predicate associated with a first thread of a multi-threaded program that is associated with a first condition, a second predicate that is associated with a second thread of the multi-threaded program, the second predicate being associated with a second condition, and an expression that defines a relationship between the first predicate and the second predicate. The relationship, when satisfied, causes the concurrency bug to be detected. A concurrency bug detector conforming to the data type is used to detect the concurrency bug in the multi-threaded program.




nc

Fragrance compositions

A rose-like fragrance composition including methyl epijasmonate, provided that a natural jasmine fragrance containing methyl epijasmonate is excluded. The rose-like fragrance composition can also include 2-isopropyl-4-methyl thiazole.




nc

Absorbent articles including an odor control system

Absorbent articles provided with an odor control system. The odor control system includes at least two classes of odor control materials, wherein one class acts on malodors or a malodorous substance in the absorbent article and a second class acts on nose receptors. The classes of odor control materials may be selected to provide a synergistic effect in terms of malodor reduction.




nc

Odour-reducing substances

The use is described (i)(a) of a single alcohol of formula (1) or(i)(b) of a mixture comprising or consisting of two or more different alcohols of formula (1), wherein in each case one of the two radicals Ra or Rb represents hydrogen and in each case the other radical Ra or Rb represents an acyl radical having 2 to 6 C atoms,for reducing an odororas an auxiliary for reducing an odor.




nc

4-alkyl substituted pyridines as odiferous substances

The present invention primarily concerns certain 4-alkyl pyridines of the following formula (I), wherein R is C8-C12 alkyl, odiferous substance mixtures and aromatic substance mixtures containing these 4-alkyl pyridines, the respective uses thereof as an odiferous or aromatic substance (mixture) and corresponding perfumed products.




nc

Fragrance delivery

A substrate such as a fabric may be provided with a fragrance during washing or rinsing process by the addition to the wash water of a free-flowing solid fragrance-providing composition that comprises a fragrance deposited on a particulate carrier along with a water soluble salt of an alkali metal or an alkaline earth metal.




nc

Long-lasting fragrance delivery system

Long-lasting fragrance delivery systems and uses of the systems to provide fragrance-emitting articles with a long-lasting fragrance are disclosed herein. The long-lasting fragrance delivery systems include an emulsion of silicone-based polyurethane, fragrance, and a carrier.




nc

1-hydroxy-octahydroazulenes as fragrances

(3S,5R)-3,8-dimethyl-5-(prop-1-en-2-yl)-octahydroazulen-1-ols, their use as flavor or fragrance ingredient, and a process of their production by oxidation in the presence of laccase.




nc

Encapsulates

Encapsulates, compositions, packaged products and displays comprising such encapsulates, and processes for making and using such encapsulates, compositions, packaged products and displays. Such compositions have improved deposition and retention properties that may impart improved benefit characteristics to a composition and/or situs.




nc

Functional fragrance precursor

The present invention relates to a class of fragrance precursor compounds comprising one or more of the compounds derived from the reaction of X—OH and an aldehyde or ketone, the fragrance precursor compounds being of the formula X—O—C(R)(R*)(OR**) wherein R is a C6-24 alkyl group, a C6-24 aralkyl group or a C6-24 alkaryl group; R* is H or a C6-24 alkyl group, a C6-24 aralkyl group or a C6-24 alkaryl group; R** is H or X; X—O representing a moiety derived from X—OH, and wherein X—OH is a compound selected from the group consisting of surfactants, fabric softeners, softener precursor ester amines, softener precursor amido amines, hair conditioners, skin conditions, saccharides and polymers. In a second aspect it relates to a method of preparing such precusors. Further the invention relates to compositions, comprising the precursor of the invention.




nc

Functional fragrance precursor

The present invention relates to a class of fragrance precursor compounds comprising one or more of the compounds derived from the reaction of X—OH and an aldehyde or ketone, the fragrance precursor compounds being of the formula X—O—C(R)(R*)(OR**) wherein R is a C6-24 alkyl group, a C6-24 aralkyl group or a C6-24 alkaryl group; R* is H or a C6-24 alkyl group, a C6-24 aralkyl group or a C6-24 alkaryl group; R** is H or X; X—O representing a moiety derived from X—OH, and wherein X—OH is a compound selected from the group consisting of surfactants, fabric softeners, softener precursor ester amines, softener precursor amido amines, hair conditioners, skin conditions, saccharides and polymers. In a second aspect it relates to a method of preparing such precusors. Further the invention relates to compositions, comprising the precursor of the invention.




nc

Fragrance composition

A topical salve to mask unpleasant smells is disclosed that consists of a composition having beeswax, eucalyptus oil, and menthol. The composition is placed under the nose of a user. The salve masks unpleasant strong odors, thereby allowing the user to perform the task at hand.




nc

Functional fragrance precursor

The present invention relates to a class of fragrance precursor compounds comprising one or more of the compounds derived from the reaction of X—OH and an aldehyde or ketone, the fragrance precursor compounds being of the formula X—O—C(R)(R*)(OR**) wherein R is a C6-24 alkyl group, a C6-24 aralkyl group or a C6-24 alkaryl group; R* is H or a C6-24 alkyl group, a C6-24 aralkyl group or a C6-24 alkaryl group; R** is H or X; X—O representing a moiety derived from X—OH, and wherein X—OH is a compound selected from the group consisting of surfactants, fabric softeners, softener precursor ester amines, softener precursor amido amines, hair conditioners, skin conditions, saccharides and polymers. In a second aspect it relates to a method of preparing such precusors. Further the invention relates to compositions, comprising the precursor of the invention.




nc

Functional fragrance precursor

The present invention relates to a class of fragrance precursor compounds comprising one or more of the compounds derived from the reaction of X—OH and an aldehyde or ketone, the fragrance precursor compounds being of the formula X—O—C(R)(R*)(OR**) wherein R is a C6-24 alkyl group, a C6-24 aralkyl group or a C6-24 alkaryl group; R* is H or a C6-24 alkyl group, a C6-24 aralkyl group or a C6-24 alkaryl group; R** is H or X; X—O representing a moiety derived from X—OH, and wherein X—OH is a compound selected from the group consisting of surfactants, fabric softeners, softener precursor ester amines, softener precursor amido amines, hair conditioners, skin conditions, saccharides and polymers. In a second aspect it relates to a method of preparing such precursors. Further the invention relates to compositions, comprising the precursor of the invention.




nc

Extended release fragrance compositions

Compositions are provided that provide release of fragrance over an extended period of time. The compositions comprise a hydrophilically-modified cross-linked silicone elastomer and an acrylic rheology modifier.




nc

Fragranced water-sensitive film

A film formed from a water-soluble polymer matrix within which is contained at least one fragrance is provided. The film is water-sensitive (e.g., water-soluble, water-dispersible, etc.) so that upon contact with a sufficient amount of water, the polymer matrix loses its integrity over time to increasingly expose the fragrance to the ambient environment for releasing its odor. The ability to incorporate a fragrance into the polymer matrix is achieved in the present invention by controlling a variety of aspects of the film construction, including the nature of the fragrance, the nature of the water-soluble polymer, the manner in which the polymer matrix and fragrance are melt processed, etc. For example, the fragrance may be injected directly into the extruder and melt blended with the water-soluble polymer. In this manner, the costly and time-consuming steps of pre-encapsulation or pre-compounding of the fragrance into a masterbatch are not required. Furthermore, to obtain a balance between the ability of the fragrance to release the desired odor during use and likewise to minimize the premature exhaustion of the odor during melt processing, the fragrance is selected to have a boiling point (at atmospheric pressure) within a certain range, such as from about 125° C. to about 350° C.




nc

Fragrance mixtures containing cyclopent-2-enyl ethyl acetate

A fragrance mixture, preferably perfume oil, is described, comprising the constituents (a) (cyclopent-2-enyl ethyl acetate) and additionally (b) one or a plurality of fragrances, preferably with a floral odor note, from the group consisting of alcohols and aldehydes with a molecular weight of 210 g/mol or less and/or (c) one or a plurality of fragrances from the group consisting of ketones, ethers and esters with a molecular weight in the range from 190 g/mol through 250 g/mol.




nc

Cyclohexene- and cyclopropanated cyclohexene- derivatives as fragrances

1-(3/4-isobutyl-1/6-methylcyclohex-3-enyl)methanols and derivatives thereof having appreciable floral and hesperidic odor notes, their use as fragrance ingredient and perfumed products comprising them.




nc

Dive computer incorporating stored dive site information

Dive computers in accordance with embodiments of the invention are disclosed that store information concerning a dive site. The stored information can be accessed during the dive to provide information concerning such things as points of interest and/or hazards. One embodiment of the invention includes a processor, memory connected to the processor, a pressure transducer connected to the processor and configured to measure depth, and a display connected to the processor. In addition, the memory contains factual information concerning a dive site, and the processor is configured to display at least a portion of the stored factual information concerning the dive site via the display.




nc

Predictive natural guidance

In one embodiment, a navigation system provides predictive natural guidance utilizing a mobile landmark based on location data. The location data may be a schedule. A controller receives data of a schedule of a mobile landmark. The location data could be collected in real time or estimated. The mobile landmark may be a vehicle or a celestial body. The controller correlates a route from an origin location to a destination location and the location of the mobile landmark. The controller generates a message based on the correlation. The message is output during presentation of the route and references the mobile landmark.




nc

Navigation guidance system

A navigation system may calculate a route to a destination and output guidance information with an output device to guide a user of the navigation system along the calculated route. If it is determined that a navigation device has left the calculated route, the navigation system may prompt the user asking whether output of guidance information should be suspended. If the output of guidance information should be suspended, the navigation system may suspend the output of guidance information and calculate a new route to the destination while the output of guidance information is suspended. The navigation system may calculate an estimated arrival time at the destination based on the calculated new route and output the estimated arrival time while the output of guidance information is suspended.




nc

Navigation system and methods for generating enhanced search results

A navigation system and various methods of using the system are described herein. Search query results are refined by the system and are prioritized based at least in part upon sub-search categories selected during the searching process. Sub-searches can be represented by graphical icons displayed on the user interface.




nc

Traction control system in a vehicle, vehicle including traction control system, and traction control method

A traction control system in vehicle comprises a detector for detecting a monitored value which changes according to a degree of a drive wheel slip; a condition determiner for determining whether or not the monitored value meets a control start condition and whether or not the monitored value meets a control termination condition; and a controller for executing traction control to reduce a driving power of the drive wheel during a period of time from when the condition determiner determines that the monitored value meets the control start condition until the condition determiner determines that the monitored value meets the control termination condition; the condition determiner being configured to set at least the control start condition variably based on a slip determination factor which changes according to a vehicle state and such that the control start condition changes more greatly according to the vehicle state than the control termination condition.




nc

System and method for automated simulator assertion synthesis and digital equivalence checking

A system, method, and computer program product for automatically generating equivalent assertions in different forms for different verification tools, which may be analog or digital. A user submits a set of logic assertions that, if unclocked, are converted to clocked assertions by generating and skewing clocks to ensure simulator uniformity. A stimulus is generated, perhaps at random, or input. A test bench is either input or synthesized. For each verification tool, the test bench is simulated and simulation results are captured. An assertion status difference engine evaluates result differences between the verification tools, and identifies and outputs differences indicating a significant inconsistency. Errors in verification tool implementation and user assertion coding can be detected. The simulators used may include SPICE and Verilog, or any other simulators that differ in type, simulation algorithm, input format, or vendor implementation.




nc

Method of optimizing capacitive couplings in high-capacitance nets in simulation of post-layout circuits

A method of asymmetric asynchronous decoupling of capacitors in an integrated circuit design is provided for faster simulation by circuit simulators, e.g. FastSPICE circuit simulators. This method includes removing a coupling capacitor from a list, which includes coupling capacitors that capacitively couple two nets in the design. The two nets have capacitances C1 and C2, and at least one of capacitances C1 and C2 exceeds a threshold. The coupling capacitor has capacitance Cc. When coupling capacitance Cc is low and only one of capacitances C1 and C2 has a low capacitance, then a forward capacitance can be used at whichever of the two nets has the low capacitance and a lump capacitance can be used at the other net for simulation. When coupling capacitance Cc is low and both of capacitances C1 and C2 have high capacitances, then lump capacitances can be used at the two nets for the simulation.




nc

Method and apparatus for generating gate-level activity data for use in clock gating efficiency analysis

A mechanism for generating gate-level activity data for use in clock gating efficiency analysis of an integrated circuit (IC) design is provided. Generating the gate-level activity data includes generating a signal behaviour description for inter-register signals, generating a gate-level netlist for the IC design, generating gate-level stimuli based at least partly on the generated signal behaviour description, and performing gate-level simulation using the generated gate-level stimuli to generate gate-level activity data for the IC design. In one embodiment, generating the signal behaviour description includes performing Register Transfer Level (RTL) simulation of the IC design, and generating the gate-level netlist includes performing RTL synthesis. The RTL simulation and RTL synthesis are performed on RTL data for the IC design.




nc

Load balancing on hetrogenous processing cluster based on exceeded load imbalance factor threshold determined by total completion time of multiple processing phases

Methods and systems for managing data loads on a cluster of processors that implement an iterative procedure through parallel processing of data for the procedure are disclosed. One method includes monitoring, for at least one iteration of the procedure, completion times of a plurality of different processing phases that are undergone by each of the processors in a given iteration. The method further includes determining whether a load imbalance factor threshold is exceeded in the given iteration based on the completion times for the given iteration. In addition, the data is repartitioned by reassigning the data to the processors based on predicted dependencies between assigned data units of the data and completion times of a plurality of the processers for at least two of the phases. Further, the parallel processing is implemented on the cluster of processors in accordance with the reassignment.




nc

Magnetic tunnel junction device and fabrication

A method of forming a magnetic tunnel junction (MTJ) device includes forming a first MTJ cap layer on a MTJ structure. The first MTJ cap layer includes a first non-nitrified metal. The method also includes forming a second MTJ cap layer over the first MTJ cap layer. The second MTJ cap layer includes a second non-nitrified metal. The method further includes forming a top electrode layer over the second MTJ cap layer. The second MTJ cap layer is conductive and configured to reduce or prevent oxidation.




nc

Synthesis of fast squarer functional blocks

In one embodiment of the invention, an integrated circuit (IC) design tool is provided for synthesizing logic, including one or more software modules to synthesize a gate-level netlist of a squarer functional block. The software modules include a bitvector generator, a bitvector reducer, and a hybrid multibit adder generator. The bitvector generator multiplies bits of a vector together to generate partial products for a plurality of bitvectors and then optimizes a plurality of least significant bitvectors. The bitvector reducer reduces the partial products in the bitvectors of the squarer functional block down to a pair of final vectors. The hybrid multibit adder generator generates a hybrid multibit adder including a first adder and a second adder coupled together by a carry bit with bit widths being responsive to a dividerbit. The hybrid multibit adder adds the pair of final vectors together to generate a final result for the squarer functional block.




nc

Fabrication of a magnetic tunnel junction device

A magnetic tunneling junction device and fabrication method is disclosed. In a particular embodiment, a non-transitory computer-readable medium includes processor executable instructions. The instructions, when executed by a processor, cause the processor to initiate deposition of a capping material on a free layer of a magnetic tunneling junction structure to form a capping layer. The instructions, when executed by the processor, cause the processor to initiate oxidization of a first layer of the capping material to form a first oxidized layer of oxidized material.




nc

Branched alkoxylate surfactant composition

A composition is described containing a branched nonionic surfactant of Formula (I): (I) wherein x is a real number from 1 to 11, y is a real number from 1 to 20, R 1 is an alkyl group having 1 to 3 carbon atoms, R 2 is an alkyl group having 4 to 6 carbon atoms, and a primary 5 alcohol ethoxylate.




nc

Segmented soap bar with soap bodies forming concave arc surface

An elongated segmented soap bar is segmented longitudinally into a plurality of soap bodies separate and discrete from one another. Adjacent soap bodies are movable with respect to one another between at least two different configurations including at least an arc configuration with the plurality of soap bodies disposed in an arc. At least one coupler couples the plurality of soap bodies together to allow the adjacent soap bodies to move with respect to one another between the at least two different configurations.




nc

Non-corrosive oven degreaser concentrate

The invention relates to a non-corrosive degreasing concentrate and ready to use formulation. In particular, non-corrosive compositions capable of removing polymerized grease as effectively as some alkali metal hydroxide (i.e. caustic) based degreasers without requiring the use of personal protective equipment are disclosed.




nc

Encapsulates

The present application relates to encapsulated, solid, water soluble benefit agents and products comprising such encapsulates, as well as processes for making and using such encapsulates and products comprising such encapsulates. In one aspect, the present application relates to a melamine formaldehyde and/or urea formaldehyde encapsulation process that offers as solution to the dissolution of solid, water soluble benefit agents during the process's emulsification step.




nc

Gemini surfactants, process of manufacture and use as multifunctional corrosion inhibitors

Gemini surfactants of bis-N-alkyl polyether, bis-N-alkenyl polyether, bis-N-cycloalkyl polyether, bis-N-aryl polyether bis-beta or alpha-amino acids or their salts, are produced for use as multifunctional corrosion inhibitors, which protect and prevent corrosion of ferrous metals exposed to acidic, basic and neutral liquids when transporting or storing crude oil and liquid fuels. The surfactants are also used to inhibit corrosion of equipment and pipes used in cooling systems in petroleum and petrochemical equipment. The Gemini surfactants have the structural formula:




nc

Targeted performance of hypohalite methods thereof

This invention relates to extend the benefits of using hypochlorite compounds such as sodium hypochlorite to clean and disinfect articles while reducing or eliminating the side effects of treating an article with a strong oxidant material. The invention relates to a single step process involving mixing of precursor compositions of a suitable hypohalite or hypohalous acid with a solution of a reducing agent. Optionally a buffer may be present in either or both precursor compositions, such that at time of use such active hypohalous acid concentration in the resulting aqueous mixture remains at a sufficient activity level to effect one or more desired benefits against a target substrate for a desired period of time. The oxidant is substantially consumed by reaction with the reducing agent after the time needed for achieving the desired benefit has passed.




nc

Persistent-mode high-temperature superconducting shim coils to enhance spatial magnetic field homogeneity for superconducting magnets

A persistent-mode High Temperature Superconductor (HTS) shim coil is provided having at least one rectangular shaped thin sheet of HTS, wherein the thin sheet of HTS contains a first long portion, a second long portion parallel to first long portion, a first end, and a second end parallel to the first end. The rectangular shaped thin sheet of high-temperature superconductor has a hollow center and forms a continuous loop. In addition, the first end and the second end are folded toward each other forming two rings, and the thin sheet of high-temperature superconductor has a radial build that is less than 5 millimeters (mm) and able to withstand very strong magnetic field ranges of greater than approximately 12 Tesla (T) within a center-portion of a superconducting magnet of a superconducting magnet assembly.




nc

Superconducting devices with ferromagnetic barrier junctions

A superconducting memory cell includes a magnetic Josephson junction (MJJ) with a ferromagnetic material, having at least two switchable states of magnetization. The binary state of the MJJ manifests itself as a pulse appearing, or not appearing, on the output. A superconducting memory includes an array of memory cells. Each memory cell includes a comparator with at least one MJJ. Selected X and Y-directional write lines in their combination are capable of switching the magnetization of the MJJ. A superconducting device includes a first and a second junction in a stacked configuration. The first junction has an insulating layer barrier, and the second junction has an insulating layer sandwiched in-between two ferromagnetic layers as barrier. An electrical signal inputted across the first junction is amplified across the second junction.




nc

Superconducting electromagnet device, cooling method therefor, and magnetic resonance imaging device

A superconducting magnet device is configured to include: a refrigerant circulation flowpath in which a refrigerant (R) circulates; a refrigerator for cooling vapor of the refrigerant (R) in the refrigerant circulation flowpath; a superconducting coil cooled by the circulating refrigerant (R); a protective resistor thermally contacting the superconducting coil and having an internal space (S); a high-boiling-point refrigerant supply section for supplying a high-boiling-point refrigerant having a higher boiling point than the refrigerant (R) and frozen by the refrigerant (R) to the internal space (S) in the protective resistor; and a vacuum insulating container for at least accommodating the refrigerant circulation flowpath, the superconducting coil, and the protective resistor.




nc

Self-shield open magnetic resonance imaging superconducting magnet

A self-shield open magnetic resonance imaging superconducting magnet comprises five pairs of coils: shim coils, first main magnetic coils, second main magnetic coils, third main magnetic coils, and shielding coils. The five pairs of coils are symmetric about the center. The shim coils are arranged closest to the center point; the first main magnetic coils, the second main magnetic coils, the third main magnetic coils, and the shielding coils are arranged in sequence outside. The first main magnetic coils are connected with reverse current. The second and third main magnetic coils are connected with positive current for providing the main magnetic field strength. The shim coils are connected with positive current for compensating the magnetic field in the central region. The shielding coils are connected with reverse current for creating a magnetic field opposite to the main magnetic field for compensating the stray magnetic field in the space.




nc

Superconducting magnet device and magnetic resonance imaging system

A superconducting magnet device and a magnetic resonance imaging system not only avoid the need for costly aluminum alloy formers but also lower quench pressure effectively, have a baffle covering the former and the coil, with a gap between the baffle and the coil.




nc

Electrochemical system and method for electropolishing superconductive radio frequency cavities

An electrochemical finishing system for super conducting radio frequency (SCRF) cavities including a low viscosity electrolyte solution that is free of hydrofluoric acid, an electrode in contact with the electrolyte solution, the SCRF cavity being spaced apart from the electrode and in contact with the electrolyte solution and a power source including a first electrical lead electrically coupled to the electrode and a second electrical lead electrically coupled to the cavity, the power source being configured to pass an electric current between the electrode and the workpiece, wherein the electric current includes anodic pulses and cathodic pulses, and wherein the cathodic pulses are interposed between at least some of the anodic pulses. The SCRF cavity may be vertically oriented during the finishing process.




nc

Magnetic field generation device with alternative quench device

A magnetic field generation device for a magnetic resonance tomography apparatus has a vacuum container that encloses a magnetic coil made of superconducting material, and a conduit of a pipe system is connected with the magnetic coil so as to conduct heat. The pipe system and the conduit are filled with a coolant that places the magnetic coil in a superconducting state during normal operation of the tomography system. A valve connects the pipe system to the interior of a capture container. In the event of non-normal operation, such as a quench, evaporated coolant passes through the valve into the capture container.