The low viscosity polyether polyol was synthesized under raising the vaccum degree step by step .
采用逐步升高真空度的方法合成了低粘度的聚酯多元醇。
The change of membrane mobility, the raising of platelet assemble rate, the in creasing of plasma viscosity and flowing embolismare the important pathological basis of cerebral infarction .
血流变学改变、红细胞串珠样改变、红细胞膜变形性减低、血小板聚集率增高，血浆粘度及流动栓子增多是脑梗死发病的重要病理基础。
The cementing job quality was successfully controlled by means of carrying out the cementing design plan of wall shear stress and the leakproof method by raising slurry viscosity.
通过实施壁面剪应力固井设计方法和提高水泥浆粘度的防漏方法，成功实现了对固井质量的控制。
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