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Three Reasons Variable-Speed Compressors are the Answer for Heat Pumps

Read this white paper to learn more about why variable-speed compressors are the best solution for heat pump applications.




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Franklin Control Systems: Variable Frequency Drive

Now available up to 40 hp, this product has a smartphone interface and comes in stand-alone, disconnect, and bypass versions.




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Variable Speed Technology is Trending in Tomorrow’s Motors

Here is the trending technology that three motor manufacturers are saying will improve the future of motors in HVAC.




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The ABCs and 123s of Variable Frequency Drives

In this white paper, you will find some real-world definitions of many of the confusing terms thrown around in VFD manuals and technical articles.




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York Mission Critical AHUs Enhance Efficiency, Reliability in Data Centers

The York® Mission Critical Direct Evaporative Cooling (DEC) Air Handling Units (AHUs) from Johnson Controls Inc. are designed to meet data centers’ specific needs.




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Project Files: Episode 67 — Variable-Speed A/C in Miami Humidity

The Endeavor Line provides tech-savvy and environmentally mindful consumers like the Horwitzes with smart home compatibility and sustainable features.




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Community Church Benefits From Unitary Variable Refrigerant Flow Retrofit

With over 1,000 Sunday service attendees and many church activities throughout the week, energy efficiency for the sake of cost savings was critical.




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Technology, Efficiency Spur Variable Refrigerant Flow Market Growth

Both commercial facilities and residential domiciles are taking advantage of heating and cooling technology at accelerated rates.




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HVAC Contractors Discuss Residential Variable Refrigerant Flow Trends

As HVACR technology advances, contractors often find themselves navigating new learning curves on a regular basis. VRF is no exception.




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Why Remote Startup for Variable Frequency Drives is Essential

Selecting a VFD that features remote startup can decrease the number of individuals needed onsite and provide valuable safety benefits.




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Propane Can Offer HVAC Customers A Reliable Option for Backup Power

The growing electricity demands being placed on the country’s century-old grid are resulting in an increased number of unexpected power outages across the U.S.




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SE-Radio-Episode-276-Björn-Rabenstein-on-Site-Reliability-Engineering

Björn Rabenstein discusses the field of Site Reliability Engineering (SRE) with host Robert Blumen. The term SRE has recently emerged to mean Google's approach to DevOps. The publication of Google's book on SRE has brought many of their practices into more public discussion. The interview covers: what is distinct about SRE versus devops; the SRE focus on development of operational software to minimize manual tasks; the emphasis on reliability; Dickerson's hierarchy of reliability; how reliability can be measured; is there such a thing as too much reliability?; can Google's approach to SRE be applied outside of Google?; Björn's experience in applying SRE to Soundcloud - what worked and what did not; how can engineers best apply SRE to their organizational situation?; the importance of monitoring; monitoring and alerting; being on call, responding to incidents; the importance of documentation for responding to problems; they wrap up with a discussion of why people from non-computer science backgrounds are often found in devops and SRE.




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Episode 544: Ganesh Datta on DevOps vs Site Reliability Engineering

Ganesh Datta, CTO and cofounder of Cortex, joins SE Radio's Priyanka Raghavan to discuss site reliability engineering (SRE) vs DevOps. They examine the similarities and differences and how to use the two approaches together to build better software...




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Guidelines for selecting the proper Variable Frequency Drive (VFD) for motor applications

This article addresses the Variable Frequency Drive (VFD) concept in several aspects that matter the most in selecting the proper VFD for applications. One of the important factors is the control type required for a given application since it is... Read more

The post Guidelines for selecting the proper Variable Frequency Drive (VFD) for motor applications appeared first on EEP - Electrical Engineering Portal.




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Inside Variable Frequency Drive (VFD) Panel: Configuration, Schematics and Troubleshooting

Proper analysis of the VFD’s power and control circuit diagrams is essential for successful troubleshooting. But before starting any analysis, you must know how your system connected through VFD works and how it breathes. You must also know all components... Read more

The post Inside Variable Frequency Drive (VFD) Panel: Configuration, Schematics and Troubleshooting appeared first on EEP - Electrical Engineering Portal.




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Tips for Restoration Contractors on Getting Free Liability Insurance

How to get free insurance from the vendors that work for you as well as tips on how to avoid becoming an insurance company of last resort.




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Understanding Pollution Liability in the Restoration Industry

This essential coverage safeguards against environmental risks, including mold and hazardous materials, encountered during cleanup projects. Explore the key components of pollution liability insurance, from clean-up costs to non-owned disposal site coverage, and learn how to secure the right policy for your business needs.  





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US water reservoirs are shrinking and becoming less reliable




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Blister Packaging: Reliable Revenue for the Pharmaceutical Industry

The pharmaceutical industry is undergoing a tremendous packaging revolution, paving way for the future development of intelligent solutions. One such breakthrough achieved in this space is the blister packaging.




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The Reliability of Robots

A recent headline in the Philadelphia Inquirer reading “Robots don’t get sick” succinctly summed up the current view of consumer packaged goods (CPG) companies during the COVID-19 pandemic when it comes to automation.




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Piab USA Announces New Office Location in Canton, Massachusetts

The new office – equipped with modern amenities, advanced technological tools, and spacious conference areas – is designed to foster innovation and collaboration among Piab's teams.




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Piab’s new piCOBOT Electric breaks the barriers of cobot arm movement

Piab receives a lot of requests from companies that want to use cobots in work areas where no compressed-air infrastructure is present.




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Piab Announces Release of Two New Suction Cup Products

 The two products are designed to properly handle eggs and various fruits, respectively. 




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Piab Strengthens its Grip on Palletizing with the LBG-50

An unavoidable challenge when defining a new bag gripping system in a palletizing line is to get the exact measurements to align with the conveyor rollers for a smooth lifting and releasing process. Furthermore, additional solutions may have to be considered.




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Piab’s Vacuum Conveying Changeover Champion

Machine learning in the new, unique piFLOW p SMART aims to take vacuum conveying to a new level.




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[ K.139 (01/22) ] - Reliability requirements for telecommunication systems affected by particle radiation

Reliability requirements for telecommunication systems affected by particle radiation




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[ E.802 (2007) Amendment 2 (06/18) ] - Updates and additional information on the degree of variability function in support of E.802

Updates and additional information on the degree of variability function in support of E.802




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[ P.1203 (11/16) ] - Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport

Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport




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[ P.1203.1 (10/17) ] - Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport - Video quality estimation module

Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport - Video quality estimation module




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[ P.1203 (10/17) ] - Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport

Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport




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[ P.1203.3 (10/17) ] - Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport - Quality integration module

Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport - Quality integration module




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[ P.1203.3 (01/19) ] - Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport - Quality integration module

Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport - Quality integration module




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[ P.1203.1 (01/19) ] - Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport - Video quality estimation module

Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport - Video quality estimation module




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[ P.1203.2 (10/17) ] - Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport - Audio quality estimation module

Parametric bitstream-based quality assessment of progressive download and adaptive audiovisual streaming services over reliable transport - Audio quality estimation module




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Reliability of IMEI

Reliability of IMEI




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[ X.Sup32 (03/18) ] - ITU-T X.1058 - Supplement on code of practice for personally identifiable information (PII) protection for telecommunication organizations

ITU-T X.1058 - Supplement on code of practice for personally identifiable information (PII) protection for telecommunication organizations





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Case Study: Reliable, Cost-Effective Roof Repairs Needed for Beachside Condo Building

R/J Group Inc. shows how offering feasible repairs in place of total replacements not only saved the customer money, but led to additional work.




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Diablo Automatic Hot Air Welder from Zonda Tools

Zonda Tools has unveiled its Diablo Automatic Hot Air Welder, which runs at 4200 watts and can weld at temperatures up to 1,150 degrees Fahrenheit.




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La devastación del fútbol base en la zona cero de la catástrofe: Ligas inviables, 100 clubes arruinados, 18.000 fichas paralizadas y 20.861 partidos afectados

Hay categorías regionales en las que un tercio de los equipos han perdido todo bajo las aguas. Leer




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Las 15 hipotecas más baratas de octubre de 2024: fijas, variables y mixtas

Aunque hay diferentes tipos, aquí los comparamos para mostrar, en cada uno de ellos, las mejores hipotecas y más baratas del mes Leer




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Elon Musk se cuela entre los 20 mejores jugadores de Diablo 4 de todo el mundo

Ocupa el puesto 19 de la clasificación de Helltides, una web que recoge algunas de las mejores puntuaciones. No es la primera vez que el magnate presume de ser un jugador avanzado Leer




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Webfleet launches EV Charger Monitoring to boost fleet readiness and reliability

Webfleet, Bridgestone’s globally trusted fleet management solution, has introduced its new EV Charger Monitoring solution, allowing fleet managers to monitor electric vehicles and private chargers on a single platform.




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iPhone 18 Pro's main camera could have a variable aperture lens

Variable aperture lenses have been present on some Android flagship phones for some time now. #variableaperture #iphone18 #apple



  • Reads from WWW

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Opensignal: Seoul comes first in APAC cities for 5G reliability and consistency, Singapore is 5th

Is deploying 5G in Singapore necessarily easier just because we’re smaller? Here, the big cities come out to play. #5g #connectivity




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Principles of Performance and Reliability Modeling and Evaluation Essays in Honor of Kishor Trivedi on his 70th Birthday

Location: Electronic Resource- 




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Finite Element Methods in Incompressible, Adiabatic, and Compressible Flows From Fundamental Concepts to Applications

Location: Electronic Resource- 




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MeinProf.de: A- for German decision on website liability

My OII colleague Tobias Escher reports on a German decision on website operator liability for user-posted content. A professor unhappy with his reviews on Meinprof.de, such as comments calling him a "psychopath," sued. The site had removed the comments on his complaint, but he nonetheless demanded that the site pay a fine and be enjoined from allowing similar comments to be re-posted. The appeals court sensibly rejected that injunction. According to Tobias:

The court has decided that a general “cease and desist” for unacceptable comments is against the law. As a professor one has to face public criticism that cannot be prohibited ex ante.
...
In general this is a positive outcome for web sites that leverage the wisdom of the crowds as it offers some protection for the often not-for-profit operators of these sites. However, this does not justify defamatory comments on those sites and the court has emphasized the operators’ duty to remove those entries as soon as they are recognized. Last but not least, the subject under public scrutiny does matters as professors might well be made to face personal criticism in their role as public figures while teachers and nurses might have to be treated differently.

German law lacks a CDA Section 230, which immunizes U.S. service providers from defamation liability for user-contributed comments. So RateMyTeachers.com can ignore claims of defamation, leaving U.S. teachers to fight back with words, leaving their own comments or questioning the reliability of the site.

German sites, by contrast, can be held liable for their users' false assertions. If such liability were automatic, triggered immediately upon the posting of a defamatory comment, sites that permitted users to post content might as well paint lawsuit targets on their homepages: anyone could claim to have been defamed there; anyone unhappy with postings could get a heckler's veto against not just individual posts but the site itself. Sensibly, then, the MeinProf.de court limits the potentially unbounded liability in a manner similar to the U.S. caution against prior restraints of speech. The site can't be held liable until it has been given an opportunity to defend or remove the post; those who want to make libel claims against hosts should start by giving the host notice.

My U.S.-centric view is still that posters and their subjects should battle over online defamation between themselves, leaving their online hosts out of the picture. As we all depend on intermediaries to speak online, our speech gets less free with each new burden and risk-sensitivity we put on the intermediaries. Those who feel victimized have access to the same speech technologies to respond -- putting them on a more level playing field than arises when one calls in the law and an intermediary is chilled. In the German context and legal tradition, however, this decision seems to get close.




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Unreliable meeting response counts and accepted/declined tracking

We regularly send out meeting invitations to large groups.

To help us with planning the meeting, we keep track of how many people have accepted or declined already. We do this by looking at the counter provided at the top of the meeting item.

Unfortunately, these numbers often seem to be way off when compared to the actual responses given.

Why does this happen and how can we make the meeting response tracking more reliable?




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3 Reliable Dividend Stocks Offering Up To 7.1% Yield