By way of experimental study, This paper approached the problem o calculating extrusion force of the superplastic tin-lead alloy.

通过锡铅超塑性材料的挤压实验，探讨了超塑态挤压变形力的计算问题。

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The purpose of this study was to fulfil the requirements of gymnastics teaching under the condition of modern physical education by utilizing the experimental plan o...

拟用“无机器”的程序化教学实验方案，以完成现代体育教学形式下的体操教学要求。

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Objective: To study the dynamic changes of nitric oxide (n o) and nitric oxide synthase (NOS) in rat brain tissues after experimental brain trauma and their significance.

目的：研究实验性颅脑伤大鼠脑组织一氧化氮(NO)和一氧化氮合酶(NOS)含量的动态变化及其意义。

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