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1.In this paper, on the base of analyzing the basic kinetics equations of PURIM, the main factors influencing the selection of its mold-filling process are analyzed and the diagram of mold-filling area for flowing stage of PU-RIM has been obtained.
本文在分析聚氨酯反应注射成型反应动力学基本方程的基础上，对影响选择充模过程的主要因素进行了分析，并得出聚氨酯反应注射成型流动阶段充模区域图。收藏指正
2.Starting from an analysis of the noise resource of urban rail transit and its mechanism, this paper introduces a block diagram of reducing noise and vibration, and holds that measures of reducing noise and vibration be presented in rail structure in the early stage.
摘要从城市轨道交通噪声源和?生机理入手，介绍了城市轨道交通减振降噪网络图，提出了轨道结构方面减振降噪的措施。收藏指正
3.The ophiolite age is about 440Ma and the metamorphic age of the first stage (amphibolite facies or granulite facies) is about 364Ma obtained with the method of concordia diagram.
所获锆石系单一来源的火山碎屑，故采用分组多颗粒锆石U-Pb同位素定年法，并依谐和图法，获得（440±18）Ma榆树沟蛇绿岩的形成年龄和（364±5）Ma的第一期（角闪岩相或麻粒岩相）变质年龄。收藏指正
4.This paper analyses the guidance-navigation control device with its subsystemwhich is used in the ascent stage and the orbital transition stage of a shuttle, presents a methodused to choose data for a redundant system, describes the relationship between the configura-tion of afour-gimbal inertial platform and the attitude angle of a rocket, the error model ofthe instruments and its correction block diagram.
本文分析了航天飞机上升与轨道过渡飞行阶段的制导-导航控制装置及其分系统,并介绍了冗余系统数据选取办法。 描述了四框架惯性平台框架配置与运载火箭姿态角的关系、工具误差模型与其修正方框图。收藏指正
5.Then the dynamic characteristic of a last stage long blade with damped shroud is analyzed in detail,some results as untwist angle,static and dynamic frequency and Campbell diagram of nodal diameter vibration are obtained,the comparison of static frequency and dynamic frequency with results from three dimensional model shows the numerical model can get a rational result.
然后再详细分析了某阻尼围带末级长叶片的振动特性,获得了叶片的扭转恢复角、静频和动频以及节径振动的坎贝尔图,其中静频和动频与三维模型计算结果对比表明了发展出来模型计算结果的合理性。收藏指正
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