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Nanoemulsions, with a very good prospect in pharmaceutics in the future, had many good characters such as good solubilization to indissolvable drugs, delayed release, targets and high bioavailability.

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To insert a picture into the text, CorelDRAW good membership card before automation as preset picture of good regulation and the text of the specification linked, of course, we are depending on your good or make some custom settings to make the picture and text of interbedded more beautiful or reasonable.

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This paper focuses on the stability study of Rhizopus oryzae IFO4697 when used for the methanolysis of renewable oils for biodiesel production. The results showed that water content was important for achieving high catalytic activity and good stability of the biocatalyst. The optimum water content was found to be 5%-15%. Both particle size and desiccation methods showed no obvious effect on the stability of the biocatalyst. With GA cross-linking pretreatment, the stability of the biocatalyst could be improved significantly. When Rhizopus oryzae IFO4697 repeatedly used for next batch reaction, direct vacuum filtration was found to be a good way for the maintenance of good stability of the biocatalyst.

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Polyurethane elastomer has good elasticity, wearable property, good oil resistance, the ozone(O_3) resistance, microtherm resistance, well viscidity, good mechanical property and electrical resistance and so on. So it has been widely applied in the every area of civil affairs.

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As fluorescent probe they must satisfy the following requirements: First, good water-solubility; Second, good thermal stability in physiological conditions; Third, good membrane penetrativity and have no toxicity to cells; Forth, long excitared wavelength and high quantum yield.

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