نتایج جستجو برای: inoculative freezing point
تعداد نتایج: 540824 فیلتر نتایج به سال:
Juveniles of five species of nematodes, Caenorhabditis elegans, Panagrellus redivivus, Pratylenchus agilis, Pristionchus pacificus, and Distolabrellus veechi, were added to solutions with (treatment) and without (control) a commercial ice-nucleating activity (INA) agent. Ten-microliter droplets of the solutions containing the juveniles were placed on glass microscope slides and transferred to a...
Data have been given to illustrate the difficulty of obtaining consistent freezing point data with a viscous fluid such as the yolk of the hen's egg and a technique has been described for obtaining reproducible and accurate results consistently. Further freezing point data have been given which were obtained with both fertile and unfertile hen's eggs by the use of a freezing point method previo...
An improved and simplified procedure is described for determining the freezing points of hydrocarbons from time-temperature freezing and melting curves, and for calculating the purity whcn the freezing point for zero impurity is (a) known and (b) not previously known. A procedure for determining the cryoscopic constant is also described. I. II. III. IV. V. VI. VII. VIII.
BACKGROUND The determination of the osmolality of aqueous samples using a freezing point osmometer is a well-established, routine laboratory method. In addition to their use in clinical and pharmaceutical laboratories, freezing point osmometers are also employed in food testing laboratories. One application is the determination of the osmolality of milk. Although cow's milk is a natural product...
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