assumptive

At present analysis and count of stress of slip screw thread fit screw thread tooth base is all the same count method base on theory and assumptive of cantalever arm girder in mechanics of material, and makes a great difference from exactitude solution.

目前，滑动螺旋副螺纹牙根应力的分析计算仍然是基于材料力学悬臂梁理论和假设的计算方法，与精确解有较大的差距。

The assumptive conditions are given reasonably about the residue method of Z inverse Transformation, and a close forthright prove is given by the theory of Laurent series and residues in complex function.

本文对Z逆变换中的留数法合理地给出假设条件，并用复变函数中的罗伦级数、留数理论给出了严谨、简捷的证明。

Methods In vitro models of close circuits were established, and the assumptive blood compartment ( B side) was filled with bovine serum albumin ( BSA) solution containing 3-indoxyl sulphate ( IS), bilirubin ( Bil) and sodium cholate ( CA), respectively.

方法采用体外闭合循环，分别于血液侧（B侧）加入含3-硫酸吲哚酚（IS），胆红素（Bil）和胆酸钠（CA）的牛血清白蛋白（BSA）溶液。