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A highly sensitive, selective and renewable carbon paste electrode based on a unique acyclic diamide ionophore for the potentiometric determination of lead ions in polluted water samples

RSC Adv., 2020, 10,17552-17560
DOI: 10.1039/D0RA01435D, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
M. A. Zayed, Walaa H. Mahmoud, Ashraf A. Abbas, Aya E. Ali, Gehad G. Mohamed
Due to the toxicity of lead(II) to all living organisms destroying the central nervous system and leading to circulatory system and brain disorders, the development of effective and selective lead(II) ionophores for its detection is very important.
The content of this RSS Feed (c) The Royal Society of Chemistry




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New HTML5 elements: summary & figcaption

Over the weekend two new HTML5 elements – summary and figcaption – were added to the draft specification. The introduction of summary and figcaption marks the acceptance that new elements are needed to act as captions or legends for the details and figure elements. The addition of the figcaption element finally begins to clear up the difficulty in marking-up figure element captions and looks to cement the place of the figure element in the HTML5 specification. The summary element does much the same for the details element but the very nature of the details element itself means that its future is not yet clear.

The figcaption element

This new element acts as the optional caption or legend for any content contained within its parent figure element.

If there is no figcaption element within a figure element then there is no caption for the rest of its content. If there is a figcaption element then it must be the first or last child of the figure element and only the first figcaption element (should there be more than one child figcaption of the parent figure element) represents a caption.

The figure element is used to mark up any self-contained content that may be referenced from the main flow of a document but could also be removed from the primary content (for example, to an appendix) without affecting its flow. This makes it suitable for various types of content ranging from graphs and data tables to photographs and code blocks.

<p><a href="#fig-ftse">Figure 1</a> shows the extent of the collapse in the markets and how recovery has been slow.</p>

<figure id="fig-ftse">
  <figcaption>Figure 1. The value of the FTSE 100 Index from 1999&ndash;2009.</figcaption>
  <img src="ftse-100-index-graph.jpg" alt="The index hit a record high at the end of 1999 and experienced two significant drops in the following last decade.">
</figure>

<p>This latest financial crisis hasn't stopped Alex from writing music and his latest track is actually worth listening to.</p>

<figure>
  <audio src="what-am-i-doing.mp3" controls></audio>
  <figcaption><cite>What am I doing?</cite> by Alex Brown</figcaption>
</figure>

The creation of the figcaption element is an important step forward for the HTML5 draft specification as it finally provides a reliable means to markup the caption for content that is best marked up as a figure. Previous attempts to use the legend element, the caption element, and the dt and dd elements had failed due to a lack of backwards compatibility when it came to styling these elements with CSS.

The summary element

This new element represents a summary, caption, or legend for any content contained within its parent details element.

The summary element must be the first child of a details element and if there is no summary element present then the user agent should provide its own. The reason for this is because the details element has a specific function – to markup additional information and allow the user to toggle the visibility of the additional information. Although it is not specified in the specification, it is expected that the summary element will act as the control that toggles the open-closed status of the contents of the parent details element.

<details>
  <summary>Technical details.</summary>
  <dl>
    <dt>Bit rate:</dt> <dd>190KB/s</dd>
    <dt>Filename:</dt> <dd>drum-and-bass-mix.mp3</dd>
    <dt>Duration:</dt> <dd>01:02:34</dd>
    <dt>File size:</dt> <dd>78.9MB</dd>
  </dl>
</details>

The introduction of the summary element seems to secure the future of the details element and the new behaviour that it affords, for now. When user agents begin to add support for the details element you won’t need JavaScript, or even CSS, to have expanding or collapsing sections in an HTML document.

The future of the details element

There will continue to be some debate over the inclusion of behaviour in an HTML specification especially given the widespread use of JavaScript to provide the expand-collapse functionality that details describes.

The details element writes some quite significant behaviour into an HTML document and I can see it being abused to provide generic expand-collapse functionality throughout a document. It is also not entirely clear what purpose the details element actually serves other than being an attempt to bypass the need for JavaScript or CSS to expand or collapse sections of a document.

There has been a general softening of the rough distinction between content, presentation, and behaviour. JavaScript libraries are being used to patch holes in browser CSS and HTML5 support, the CSS3 modules introduce plenty of behaviour that was previously only possibly with JavaScript, and the HTML5 specification is also introducing functionality and behaviour that previously required the use of JavaScript.

The future survival of the details element, and the behaviour associated with it, may well depend on browser implementations and author applications over the coming months.




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Animal virtues & choice fetishism

The following is an interesting extract from Straw Dogs by John Gray (pp. 109–116) discussing some of the differences between Western and Taoist philosophical traditions.

The fetish of choice

For us, nothing is more important than to live as we choose. This is not because we value freedom more than people did in earlier times. It is because we have identified the good life with the chosen life.

For the pre-Socratic Greeks, the fact that our lives are framed by limits was what makes us human. Being born a mortal, in a given place and time, strong or weak, swift or slow, brave or cowardly, beautiful or ugly, suffering tragedy or being spared it – these features of our lives are given to us, they cannot be chosen. If the Greeks could have imagined a life without them, they could not have recognised it as that of a human being.

The ancient Greeks were right. The ideal of the chosen life does not square with how we live. We are not authors of our lives; we are not even part-authors of the events that mark us most deeply. Nearly everything that is most important in our lives is unchosen. The time and place we are born, our parents, the first language we speak – these are chance, not choice. It is the casual drift of things that shapes our most fateful relationships. The life of each of us is a chapter of accidents.

Personal autonomy is the work of our imagination, not the way we live. Yet we have been thrown into a time in which everything is provisional. New technologies alter our lives daily. The traditions of the past cannot be retrieved. At the same time we have little idea of what the future will bring. We are forced to live as if we were free.

The cult of choice reflects the fact that we must improvise our lives. That we cannot do otherwise is a mark of our unfreedom. Choice has become a fetish; but the mark of a fetish is that it is unchosen.

Animal virtues

The dominant Western view…teaches that humans are unlike other animals, which simply respond to the situations in which they find themselves. We can scrutinise our motives and impulses; we can know why we act as we do. By becoming ever more self-aware, we can approach a point at which our actions are the results of our choices. When we are fully conscious, everything we do will be done for reasons we can know. At that point, we will be authors of our lives.

This may seem fantastical, and so it is. Yet it is what we are taught by Socrates, Aristotle and Plato, Descartes, Spinoza and Marx. For all of them, consciousness is our very essence, and the good life means living as a fully conscious individual.

Western thought is fixated on the gap between what is and what ought to be. But in everyday life we do not scan our options beforehand, then enact the one that is best. We simply deal with whatever is at hand. …Different people follow different customs; but in acting without intention, we are not simply following habit. Intentionless acts occur in all sorts of situations, including those we have never come across before.

Outside the Western tradition, the Taoists of ancient China saw no gap between is and ought. Right action was whatever comes from a clear view of the situation. They did not follow moralists – in their day, Confucians – in wanting to fetter human beings with rules or principles. For Taoists, the good life is only the natural life lived skillfully. It has no particular purpose. It has nothing to do with the will, and it does not consist in trying to realise any ideal. Everything we do can be done more or less well; but if we act well it is not because we translate our intentions into deeds. It is because we deal skillfully with whatever needs to be done. The good life means living according to our natures and circumstances. There is nothing that says that it is bound to be the same for everybody, or that it must conform with ‘morality’.

In Taoist thought, the good life comes spontaneously; but spontaneity is far from simply acting on the impulses that occur to us. In Western traditions such as Romanticism, spontaneity is linked with subjectively. In Taoism it means acting dispassionately, on the basis of an objective view of the situation at hand. The common man cannot see things objectively, because his mind is clouded by anxiety about achieving his goals. Seeing clearly means not projecting our goals into the world; acting spontaneously means acting according to the needs of the situation. Western moralists will ask what is the purpose of such action, but for Taoists the good life has no purpose. It is like swimming in a whirlpool, responding to the currents as they come and go. ‘I enter with the inflow, and emerge with the outflow, follow the Way of the water, and do not impose my selfishness upon it. This is how I stay afloat in it,’ says the Chuang-Tzu.

In this view, ethics is simply a practical skill, like fishing or swimming. The core of ethics is not choice or conscious awareness, but the knack of knowing what to do. It is a skill that comes with practice and an empty mind. A.C. Graham explains:

The Taoist relaxes the body, calms the mind, loosens the grip of categories made habitual by naming, frees the current of thought for more fluid differentiations and assimilations, and instead of pondering choices lets the problems solve themselves as inclination spontaneously finds its own direction. …He does not have to make decisions based on standards of good and bad because, granted only that enlightenment is better than ignorance, it is self-evident that among spontaneous inclinations the one prevailing in the greatest clarity of mind, other things being equal, will be best, the one in accord with the Way.

Few humans beings have the knack of living well. Observing this, the Taoists looked to other animals as their guides to the good life. Animals in the wild know how to live, they do not need to think or choose. It is only when they are fettered by humans that they cease to live naturally.

As the Chuang-Tzu puts it, horses, when they live wild, eat grass and drink water; when they are content, they entwine their necks and rub each other. When angry, they turn their backs on each other and kick out. This is what horses know. But if harnessed together and lined up under constraints, they know how to look sideways and to arch their necks, to career around and try to spit out the bit and rid themselves of the reins.

For people in thrall to ‘morality’ , the good life means perpetual striving. For Taoists it means living effortlessly, according to our natures. The freest human being is not the one who acts on reasons he has chosen for himself, but one who never has to choose. Rather than agonising over alternatives, he responds effortlessly to situations as they arise. He lives not as he chooses but as he must. Such a human has the perfect freedom of a wild animal – or a machine. As the Lieh-Tzu says: ‘The highest man at rest is as though dead, in movement is like a machine. He knows neither why he is at rest nor why he is not, why he is in movement nor why he is not.’

The idea that freedom means becoming like a wild animal or machine is offensive to Western religious and humanist prejudices, but it is consistent with the most advanced scientific knowledge. A.C. Graham explains:

Taoism coincides with the scientific worldview at just those points where the latter most disturbs westerners rooted in the Christian tradition – the littleness of man in a vast universe; the inhuman Tao which all things follow, without purpose and indifferent to human needs; the transience of life, the impossibility of knowing what comes after death; unending change in which the possibility of progress is not even conceived; the relativity of values; a fatalism very close to determinism; even a suggestion that the human organism operates like a machine.

Autonomy means acting on reasons I have chosen; but the lesson of cognitive science is that there is no self to do the choosing. We are far more like machines and wild animals than we imagine. But we cannot attain the amoral selflessness of wild animals, or the choiceless automatism of machines. Perhaps we can learn to live more lightly, less burdened by morality. We cannot return to a purely spontaneous existence.




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Former J&K Minister’s detention extended by 3 months

With a view to prevent him from acting in any manner prejudicial to the maintenance of public order, Naeem Akhtar detention is being extended, an order said.




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Coronavirus | 30 more test positive in J&K, cases mount to 823

Bandipora tops the list with 134 cases, followed by Srinagar at 129




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SC asks for govt response on detention camp inmates




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Strategisches management und marketing [electronic resource] : markt- und wettbewerbsanalyse, strategische frühaufklärung, portfolio-management / Edgar Kreilkamp

Kreilkamp, Edgar




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The talent assessment and development pocket tool kit [electronic resource] : how to get the most out of your best people / Brenda Hampel and Anne Bruce

Hampel, Brenda




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Talent-Gespräche [electronic resource] : Worum es geht, weshalb sie wichtig sind, wie sie richtig geführt werden / Roland Smith und Michael Campbell

Smith, Roland, 1951- author




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Think before you engage [electronic resource] : 100 questions to ask before starting a social media marketing campaign / Dave Peck

Peck, Dave D




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Time management in an instant [electronic resource] : 60 ways to make the most of your day / Karen Leland & Keith Bailey

Leland, Karen




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Transforming legacy organizations [electronic resource] : turn your established business into an innovation champion to win the future / Kris Oestergaard

Oestergaard, Kris, 1973- author




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Troubleshooting system center configuration manager [electronic resource] : troubleshoot all the aspects of your Configuration Manager installation, from basic easy checks to the advanced log files and serious issues / Peter Egerton, Gerry Hampson

Egerton, Peter, author




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Turning people into teams [electronic resource] : rituals and routines that redesign how we work / David Sherwin & Mary Sherwin

Sherwin, David, author




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The ultimate guide to strategic marketing [electronic resource] : real world methods for developing successful, long-term marketing plans / Robert J. Hamper

Hamper, Robert J




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V14 certification [electronic resource] : Teradata SQL / authors, Tom Coffing & Leona Coffing

Coffing, Tom, author




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Waltzing with bears [electronic resource] : managing risk on software projects / Tom DeMarco & Timothy Lister

DeMarco, Tom, author




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We are Market Basket [electronic resource] : the story of the unlikely grassroots movement that saved a beloved business / Daniel Korschun & Grant Welker

Korschun, Daniel




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Windows Server 2012 R2 inside out [electronic resource] : services, security, & infrastructure / William R. Stanek

Stanek, William R., author




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The WorldatWork handbook of compensation, benefits & total rewards [electronic resource] : a comprehensive guide for HR professionals / Worldatwork




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JAMA Otolaryngology–Head & Neck Surgery : Effect of a Change in Papillary Thyroid Cancer Terminology on Anxiety Levels and Treatment Preferences

Interview with Brooke Nickel and Juan Brito, MD, MSc, authors of Effect of a Change in Papillary Thyroid Cancer Terminology on Anxiety Levels and Treatment Preferences: A Randomized Crossover Trial




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JAMA Neurology : Effect of Dextroamphetamine on Poststroke Motor Recovery

Interview with Larry B. Goldstein, MD, author of Effect of Dextroamphetamine on Poststroke Motor Recovery: A Randomized Clinical Trial




















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JAMA Otolaryngology–Head & Neck Surgery : Safety Recommendations for Evaluation and Surgery of the Head and Neck During the COVID-19 Pandemic

Interview with Joshua K Tay, author of Surgical Considerations for Tracheostomy During the COVID-19 Pandemic: Lessons Learned From the Severe Acute Respiratory Syndrome Outbreak, and Babak Givi, MD, author of Safety Recommendations for Evaluation and Surgery of the Head and Neck During the COVID-19 Pandemic




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Indian author sentenced for US campaign laws violation



  • DO NOT USE Indians Abroad
  • World

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US President Barack Obama to honour Satya Nadella with ‘Champion of Change’ award



  • DO NOT USE Indians Abroad
  • World

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Indian-American teens emerge co-champions in National Spelling Bee competition



  • DO NOT USE Indians Abroad
  • World

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Bobby Jindal’s campaign gains ground in Iowa, reveals latest internal survey



  • DO NOT USE Indians Abroad
  • World

amp

Indian-origin boy crowned Australian spelling bee champ



  • DO NOT USE Indians Abroad
  • World

amp

Indian-American teen presented with ‘Champions of Change’ award by White House



  • DO NOT USE Indians Abroad
  • World

amp

Indian-origin campaigner awarded by Cameron for charity work



  • DO NOT USE Indians Abroad
  • World

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CCH Practice Management: Administrator & Reporting

Objectives

The Administrator course content focuses on features in the Administration, Accounts Receivable, Reports and Report Writer modules. By learning how to work properly within these modules, you can better manage the program on a day-to-day basis. This course includes hands-on computer training.

 

Topics

 

·         Create new clients and prospects

·         Create custom fields

·         Maintain up to date client contact information

·         Lock releasing of time

·         Edit and update released time

·         Use Batch Time Entry

·         Correct WIP and update invoices

·         Select a Lock Reconciliation Date and WIP Approval date

·         Determine Security Settings for employees

·         Set up Alerts for assigned employees

·         Complete Year End Procedures

·         Use the Administrative Utilities

·         Enter A/R transactions

·         Apply Later Distributions (prepayments) to invoices

·         Update, Correct and Search A/R

·         Print A/R Statements and Dunning Letters

·         Calculate and update finance charges

·         Generate firm reports

·         Create and process report Queues

 

Attendees

Staff responsible for managing day-to-day operations in Practice Management, including clients, contacts, security, time, billing, A/R and generating reports.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Available Sessions for this Seminar:

ipwebinar.aspx?tab=1&smid=1245, January 14, 2015




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Practice Management: Administrator & Reporting - Private

Available Sessions for this Seminar:

ipwebinar.aspx?tab=1&smid=1392, January 13, 2015




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Engagement - General A&A - Private

Available Sessions for this Seminar:

ipwebinar.aspx?tab=1&smid=1236, December 22, 2014
ipwebinar.aspx?tab=1&smid=1236, January 07, 2015




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Goa: Only 12 students per hall at Class X & XII public exams

To ensure social distancing during the Class X and XII public exams, the Goa Board of Secondary and Higher Secondary Education on Thursday said there will be only12 students in each exam hall as against the earlier 25. This has led to an increase in the number of exam sub-centres.