Attributable proportion formula

The mean value of k for a large number of liquids is 2 12 liquids containing hydroxyl groups, or those which have an enolic modification, liquid chlorine, fused salts, and metals, have much smaller values of k, and this is attributed to polymerisation, since if the actual molecular weight is larger than that assumed in calculating V , the latter value will also be smaller. Ramsay and Aston (1894) assumed that it will be proportionally smaller, but the values of the polymerisation coefficients thereby deduced obviously depend on the formula assumed for the polymerised molecule, and are therefore arbitrary. 

The fat-soluble vitamins comprise vitamins A, D, E, and K, whose biological activities are attributed to a number of structurally related compounds known as vitamers. Also included are those carotenoids that are precursors of vitamin A. Recommended dietary allowances (RDAs) based on human epidemiological and experimental animal studies have been published in the United States for vitamins A, D, E, and K (1). Other countries and international bodies have compiled similar recommendations. In the United States and Canada, fluid milk is supplemented by law with vitamin D to a level of 400 international units per quart (10 /zg/0.95 L) to meet the RDA of 10 p%. Other commodities, such as margarine, milk products, ready-to-eat breakfast cereals, and dietetic foods, are commonly supplemented with vitamins A, D, and E. Except for infant formulas, vitamin K is not added to foods. The addition of vitamins to a particular processed food is intended to provide a specific proportion of the RDA. 

Solid alloys are known in which the copper is united to a proportion of silver varying from 0 to a certain limit, and alloys where ffllver is muted to a proportion of copper variable from 0 to a certain limit. Besides, an alloy is known, Levol s alloy, in which copper and silver enter in a fixed ratio. This alloy has a definite fusing-point, which is =777. It was for a long time considered as a definite compound, to which the formula AgsCus.was attributed. 

The reflection broadening in the XRD pattern is attributed to the contributions of the crystaUite size, microstrain and the instrument itself The crystal size D is inversely proportional to the peak breadth, according to the Scherrer s formula... 

In CharmAnalysis, the dilutions are presented in randomized order to avoid bias introduced by knowledge of the samples. The assessor detects the beginning and the end of each aroma perception (duration of the smell) and notes the sensory attributes (Fig. 2). The dilution value is measured over the entire time of the eluting peak. From these data, the computerized system constructs chromatographic peaks where the peak areas are proportional to the amount of the odorant in the extract. The Charm value is calculated according to the formula c = d" , where n is the number of coincident responses and d the dilution value. The result... 

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