Almost any desired coating performance parameter can be attained by proper selection of raw material building blocks.

通过适当选择原料结构单元，几乎可以得到任何期望的涂布性能参数。

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This paper introduces selection of raw material, technique properties and producing technics for WTS high efficient mortar admixture.

介绍了WTS型特效石灰晶的原材料选用、技术性能和生产工艺。

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The selection of raw material and its well match are analyzed, and an optimal spinning and weaving processing condition is obtained on the bases of the experiments.

文中着重分析了该产品原料的选择和配比，在实验的基础上得出了最佳的纺纱、织造工艺条件。

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Recent studies show that there is substantial standing genetic variation in natural populations of planktonic organisms, which provides the raw material for natural selection.

UNESCO: THEMES