The relation of the chromatographic retention indices of alkene to topological index,double bond atomic hybridization state index,polarizability effect index of branched chain to double bond atomic,immobile liquid polarity values and column temperatureat different temperatures on different stationary phases was studied.

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This model can provide the good base of adaptive modulation and coding and automatic repeat request as well as dynamic resource allocation.

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VxWorks OS is a kind of real-time embedded OS, and it has the characteristic of high-performance and scalability. Because of its reliability and Real-time performance, VxWorks OS has been widely used in communication, military, avigation and navigation.

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By using the approach the times of calculation and backdate were reduced effectively.

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You will also be pleased to find that Backgammon's already excellent user interface has improved even further in this version.

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Alkaline lipase Greasex 50L is one of the leather enzyme products of Novo Nordisk AS. After extensive control trials on pigskins, evaluating effects by degree of fat removal and qualities of result leather, we got1 Fat removal rate can be increased by 10%and leather qualities such as napping and softness can be improved by using Greasex 50L together with liming enzyme NUE 0.6 MPX2 Some surfactant together with Greasex 50L is good to fat removal, and the recommended ratio is 0.05%～0.1%∶13 The fat content in the skins is lower after treated with Greasex 50L,which also benefits the successive processes, such as bating, pickling and tanning. As a result, the leather qualities, such as fineness of grain, softness, napping and evenness of dyeing can be improved.

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