application+example

the means and methods of managing the textual and graphical content of a Web site. For large sites with thousands of pages and many interchangeable words and images, it pays to invest in a content management application system that facilitates the creation and organization of Web content. Some content management systems also offer caching (where a server stores frequently requested information) and analysis of site traffic.

     Recent years have seen a vast growth in the quantity of content produced by organizations, particularly in digital form. In 2001, it was estimated that there were over 550 billion documents on Internet, intranet, and extranet websites—making professional content management vital. Without it, it becomes almost impossible for a user to find the information they are looking for.

     However, excellent content management is expensive, and organizations need to establish a solid business case in order to justify it. The initial point for consideration is that content is not a low-level commodity that merely needs to be stored—it is a critical resource, and its value lies in it being read. So an understanding of who will read it is essential. Decisions need to be taken over what languages the material needs to be published in, and in what media (Web or e-mail, for example). The form of the content—text, audio, video—is also important, as is the sensitivity of the material and the consequent security required.

     Simply storing content is data management, but content management should have publication as its main focus, with the intention of informing or entertaining readers. There is a big difference in approach between the two.

the measure of the sensitivity of one variable to another.

In practical terms, elasticity indicates the degree to which consumers respond to changes in price. It is obviously important for companies to consider such relationships when contemplating changes in price, demand, and supply.

     Demand elasticity measures how much the quantity demanded by a customer changes when the price of a product or service is increased or lowered. This measurement helps companies to find out whether demand will remain constant despite price changes. Supply elasticity measure the impact on supply when a price is changed.

     The general formula for elasticity is:

In theory, x and y can be any variable. However, the most common application measures price and demand. If the price of a product is increased from $20 to $25, or 25%, and demand in turn falls from 6,000 to 3,000, elasticity would be calculated as:

A value greater than 1 means that demand is strongly sensitive to price, while a value of less than 1 means that demand is not pricesensitive.

a software application that can be added to a Web browser to enable added functionality, for example, the receipt of audio or multimedia files

the costs associated with establishing a merchant account, for example, application and software licensing fees and point-of-sale equipment purchases

SUBJECT AREA: Chemical technology, Synthetic materials, Textiles

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He early showed an aptitude for chemistry and in 1853 entered the Royal College of Chemistry as a student under A.W.von Hofmann, the first Professor at the College. By the end of his first year, he had carried out his first piece of chemical research, on the action of cyanogen chloride on phenylamine, which he published in the Journal of the Chemical Society (1857). He became honorary assistant to von Hofmann in 1857; three years previously he had set up his own chemical laboratory at home, where he had discovered the first of the azo dyes, aminoazonapththalene. In 1856 Perkin began work on the synthesis of quinine by oxidizing a salt of allyl toluidine with potassium dichromate. Substituting aniline, he obtained a dark-coloured precipitate which proved to possess dyeing properties: Perkin had discovered the first aniline dye. Upon receiving favourable reports on the new material from manufacturers of dyestuffs, especially Pullars of Perth, Perkin resigned from the College and turned to the commercial exploitation of his discovery. This proved highly successful. From 1858, the dye was manufactured at his Greenford Green works as "Aniline Purple" or "Tyrian Purple". It was later to be referred to by the French as mauve. Perkin's discovery led to the development of the modern dyestuffs industry, supplanting dyes from the traditional vegetable sources. In 1869, he introduced two new methods for making the red dye alizarin, in place of the process that involved the use of the madder plant (Rubia tinctorum). In spite of German competition, he dominated the British market until the end of 1873. After eighteen years in chemical industry, Perkin retired and devoted himself entirely to the pure chemical research which he had been pursuing since the 1850s. He eventually contributed ninety papers to the Chemical Society and further papers to other bodies, including the Royal Society. For example, in 1867 he published his synthesis of unsaturated organic acids, known as "Perkin's synthesis". Other papers followed, on the structure of "Aniline Purple". In 1881 Perkin drew attention to the magnetic-rotatory power of some of the substances he had been dealing with. From then on, he devoted particular attention to the application of this phenomenon to the determination of chemical structure.

Perkin won wide recognition for his discoveries and other contributions to chemistry.

The half-centenary of his great discovery was celebrated in July 1906 and later that year he received a knighthood.

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SUBJECT AREA: Mechanical, pneumatic and hydraulic engineering

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Frederick W.Taylor received his early education from his mother, followed by some years of schooling in France and Germany. Then in 1872 he entered Phillips Exeter Academy, New Hampshire, to prepare for Harvard Law School, as it was intended that he should follow his father's profession. However, in 1874 he had to abandon his studies because of poor eyesight, and he began an apprenticeship at a pump-manufacturing works in Philadelphia learning the trades of pattern-maker and machinist. On its completion in 1878 he joined the Midvale Steel Company, at first as a labourer but then as Shop Clerk and Foreman, finally becoming Chief Engineer in 1884. At the same time he was able to resume study in the evenings at the Stevens Institute of Technology, and in 1883 he obtained the degree of Mechanical Engineer (ME). He also found time to take part in amateur sport and in 1881 he won the tennis doubles championship of the United States.

It was while with the Midvale Steel Company that Taylor began the systematic study of workshop management, and the application of his techniques produced significant increases in the company's output and productivity. In 1890 he became Manager of a company operating large paper mills in Maine and Wisconsin, until 1893 when he set up on his own account as a consulting engineer specializing in management organization. In 1898 he was retained exclusively by the Bethlehem Steel Company, and there continued his work on the metal-cutting process that he had started at Midvale. In collaboration with J.Maunsel White (1856–1912) he developed high-speed tool steels and their heat treatment which increased cutting capacity by up to 300 per cent. He resigned from the Bethlehem Steel Company in 1901 and devoted the remainder of his life to expounding the principles of scientific management which became known as "Taylorism". The Society to Promote the Science of Management was established in 1911, renamed the Taylor Society after his death. He was an active member of the American Society of Mechanical Engineers and was its President in 1906; his presidential address "On the Art of Cutting Metals" was reprinted in book form.

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SUBJECT AREA: Mechanical, pneumatic and hydraulic engineering

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James Thomson was a pupil in several civil-engineering offices, but the nature of the work was beyond his physical capacity and from 1843 onwards he devoted himself to theoretical studies. Hhe first concentrated on the problems associated with the expansion of liquids when they reach their freezing point: water is one such example. He continued this work with his younger brother, Lord Kelvin (see Thomson, Sir William).

After experimentation with a "feathered" paddle wheel as a young man, he turned his attention to water power. In 1850 he made his first patent application, "Hydraulic machinery and steam engines": this patent became his "Vortex" turbine design. He settled in Belfast, the home of the MacAdam-Fourneyron turbine, in 1851, and as a civil engineer became the Resident Engineer to the Belfast Water Commissioners in 1853. In 1857 he was appointed Professor of Civil Engineering and Surveying at Queen's College, Belfast.

Whilst it is understood that he made his first turbine models in Belfast, he came to an arrangement with the Williamson Brothers of Kendal to make his turbine. In 1856 Williamsons produced their first turbine to Thomson's design and drawings. This was the Vortex Williamson Number 1, which produced 5 hp (3.7 kW) under a fall of 31 ft (9.4 m) on a 9 in. (23 cm) diameter supply. The rotor of this turbine ran in a horizontal plane. For several years the Williamson catalogue described their Vortex turbine as "designed by Professor James Thomson".

Thomson continued with his study of hydraulics and water flow both at Queen's College, Belfast, and, later, at Glasgow University, where he became Professor in 1873, succeeding Macquorn Rankine, another famous engineer. At Glasgow, James Thomson studied the flow in rivers and the effects of erosion on river beds. He was also an authority on geological formations such as the development of the basalt structure of the Giant's Causeway, north of Belfast.

James Thomson was an extremely active engineer and a very profound teacher of civil engineering. His form of water turbine had a long life before being displaced by the turbines designed in the twentieth century.

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SUBJECT AREA: Mining and extraction technology

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From an old mining family in the Saxon coalfields, Wolf was aware from his youth of the urgent demand for a miner's lamp which would provide adequate light but not provoke firedamp explosions. While working as an engineer in Zwickau, Wolf spent his spare time conducting experiments for such a lamp. The basic concept of his invention was the principle that dangerous concentrations of methane and air would not explode within a small pipe; this had been established almost seventy years earlier by the English chemist Humphrey Davy. By combining and developing certain devices designed by earlier inventors, in 1883 Wolf produced a prototype with a glass cylinder, a primer fixed inside the lamp and a magnetic lock. Until the successful application of electric light, Wolfs invention was the safest and most popular mining safety lamp. Many earlier inventions had failed to address all the problems of lighting for mines; Davy's lamp, for example, would too quickly become sooty and hot. As Wolfs lamp burned petroleum spirit, at first it was mistrusted outside Saxony, but it successfully passed the safety tests in all the leading coal-producing countries at that time. As well as casting a safe, constant light, the appearance of the cap flame could indicate the concentration of fire-damp in the air, thus providing an additional safety measure. Wolfs first patent was soon followed by many others in several countries, and underwent many developments. In 1884 Heinrich Friemann, a merchant from Eisleben, invested capital in the new company of Friemann and Wolf, which became the leading producer of miners' safety lamps. By 1914 they had manufactured over one million lamps, and the company had branches in major mining districts worldwide.

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[ˈprəuɡræm]

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разг. ну, чем займемся?; a full program(me) множество занятий, дел wired-in program вчт. зашитая программа work program программа работ work program производственный план

   1) The Criterion of Insightful Behavior

   We can... distinguish sharply between the kind of behavior which from the very beginning arises out of a consideration of the structure of a situation, and one that does not. Only in the former case do we speak of insight, and only that behavior of animals definitely appears to us intelligent which takes account from the beginning of the lay of the land, and proceeds to deal with it in a single, continuous, and definite course. Hence follows this criterion of insight: the appearance of a complete solution with reference to the whole lay- out of the field. (KoЁhler, 1927, pp. 169-170)

   2) Signs Occasion Thought but Not Action

   Signs, in [Edward] Tolman's theory, occasion in the rat realization, or cognition, or judgment, or hypotheses, or abstraction, but they do not occasion action. In his concern with what goes on in the rat's mind, Tolman has neglected to predict what the rat will do. So far as the theory is concerned the rat is left buried in thought: if he gets to the food-box at the end that is his concern, not the concern of the theory. (Guthrie, 1972, p. 172)

   3) A New Insight Consists of a Recombination of Pre-existent Mediating Properties

   The insightful act is an excellent example of something that is not learned, but still depends on learning. It is not learned, since it can be adequately performed on its first occurrence; it is not perfected through practice in the first place, but appears all at once in recognizable form (further practice, however, may still improve it). On the other hand, the situation must not be completely strange; the animal must have had prior experience with the component parts of the situation, or with other situations that have some similarity to it.... All our evidence thus points to the conclusion that a new insight consists of a recombination of pre existent mediating processes, not the sudden appearance of a wholly new process. (Hebb, 1958, pp. 204-205)

   4) Interpretation of Morgan's Canon

   In Morgan's own words, the principle is, "In no case may we interpret an action as the outcome of the exercise of a higher psychical faculty, if it can be interpreted as the outcome of the exercise of one which stands lower in the psychological scale." Behaviorists universally adopted this idea as their own, interpreting it as meaning that crediting consciousness to animals can't be justified if the animal's behavior can be explained in any other way, because consciousness is certainly a "higher psychical faculty." Actually, their interpretation is wrong, since Morgan was perfectly happy with the idea of animal consciousness: he even gives examples of it directly taken from dog behavior. Thus in The Limits of Animal Intelligence, he describes a dog returning from a walk "tired" and "hungry" and going down into the kitchen and "looking up wistfully" at the cook. Says Morgan about this, "I, for one, would not feel disposed to question that he has in his mind's eye a more or less definite idea of a bone."

   Morgan's Canon really applies to situations where the level of intelligence credited to an animal's behavior goes well beyond what is really needed for simple and sensible explanation. Thus application of Morgan's Canon would prevent us from presuming that, when a dog finds its way home after being lost for a day, it must have the ability to read a map, or that, if a dog always begins to act hungry and pace around the kitchen at 6 P.M. and is always fed at 6:30 P.M., this must indicate that it has learned how to tell time. These conclusions involve levels of intelligence that are simply not needed to explain the behaviors. (Coren, 1994, pp. 72-73)