China plays the active role of a participant and propellent in the security cooperation, which has made great progress, with Southeast Asia and Central Asia. 中国在东南亚地区和中亚地区现有安全合作框架中起着积极参与者和推动者的作用,安全合作取得了不小的进展。
Molecular Dynamics Simulation on PEG and Al Particle Models of High Energy NEPE Propellent Ingredient 高能推进剂NEPE组分PEG与铝颗粒模型的分子动力学模拟
PbO is an important promotion agent in the propellent. PbO是火箭推进剂的重要促进剂。
Sun is the creator and propellent of Java language. Sun是Java的创建者和推动者。
As the important force of enterprises gaining international and the strong propellent of the social improvement and economic development of a country, entrepreneurs play a vital role. Hereby, it is very necessary to research the mechanism of entrepreneurs 'growth. 作为企业获取国际竞争力的重要力量和社会进步与经济发展的强大推动者,企业家的作用日益明显,研究企业家的成长机制显得越发必要。
The analysis of the long-term aging effect of solid propellent grain 固体火箭发动机药柱的长期老化效应分析
Upper-hierarchy Organization is the important part of the whole market economy. It is the propellent to the development of economy also. 市场上层组织是整个市场经济的重要组成部分,市场上层组织的发展是经济发展的重要推动器。
An Application of Fracture Mechanics to the Safety Evaluation of Rocket Propellent Tank 断裂力学在推进剂贮箱安全评定中的应用
Separation and Determination of Extractable Organic Components in NEPE Propellent NEPE推进剂中可提取有机组分的分离测定
Market economic ethics is ethic principle and moral standard of accommodating economic activities, it is inner request of market economic development, and it has propellent function for it; 市场经济伦理是调节经济活动的伦理原则和道德规范,它是市场经济发展的内在要求,对市场经济的发展具有促进作用;
It also could increase choleresis in anaesthetic rats, but it was no effect on gastro-intestinal propellent movement in mice. 能增加麻醉大鼠的胆汁分泌量,但对小鼠胃肠推进运动无明显影响。
Study on micro-cracking damage constitutive model of HTPB composite solid propellent 复合推进剂微裂纹损伤本构模型研究
To review the progress in the major assignment, the organization and implementation of protection against liquid rocket propellent. 综述了发射大型运载火箭推进剂作业卫勤保障主要任务、保障重点、卫勤力量的分配、卫勤保障的组织和实施进展。
After having solved the aging problems of beams, the long term ag-ing effect of a solid propellent grain is also analyzed as an example. 在对梁的受拉伸与自重情形下的老化作了分析后,举例分析了真实固体火箭发动机药柱的长期老化效应。
In vacuum environment, the performances of the arcjet were tested under several conditions with argon as the propellent. 在真空环境下,用氩作推进剂,得到了不同工况下发动机的性能参数。
Micromechanics analysis on the viscoelastics constitutive law of composite solid propellent(ⅱ) reinforce effects of non spherical particles 复合推进剂线粘弹本构方程的细观力学分析(Ⅱ)非球颗粒增强效应分析
The experimental system includes a vacuum simulation section, power supply section, propellent feed section, parameter measurement section and an arcjet. 试验系统包括真空模拟系统,供电系统,推进剂供给系统,参数测量系统和发动机本体。
Study of the Smokeless Propellent with Small Microwave Attenuation 对微波衰减小的无烟推进剂的研究
A Review of Ap Composite Solid Propellent Steady Combustion Models Ap复合固体推进剂稳态燃烧模型综述
Other advantages of the propellent with a negative pressure exponent were also presented. 还指出了负压力指数推进剂的其它优点。
In this paper, new wagon wheel grain configuration has been suggested in order to improve rocket's concentration and propellent loading density. 该文针对提高火箭密集度及装填密度的要求,设计了双辐条轮孔装药药型。
Calculation of Fluid Resistance in Design of Propellent Management Device of Surface Tension Tanks 表面张力贮箱推进剂管理装置流阻的计算
Experimental Study of Structural Strength and Residual Life for Missile Propellent Tanks 导弹推进剂贮箱结构强度及剩余寿命实验研究
When the new grain configuration and mathematical formulas are used in rocket grain design, not only rocket propellent loading density can effectively be increased, but also various thrust projects to satisfy ballistic property may easily be obtained. 利用该文提出的装药药型及数学模型进行火箭发动机装药设计,不但能够有效地提高中小型火箭发动机的装填密度,而且还能够根据弹道设计要求,获得多种推力方案。
Safety evaluating and residual life estimating of missile propellent tanks can be carried out with these data coupling with non-destructive testing informa-tion. 结合无损检测信息可以对导弹推进剂贮箱进行安全性评定和剩余寿命评估。
Graphics Simulation Burning Process of Solid Propellent Rocket Motor 固体火箭发动机燃烧过程的图形仿真技术
Development and Design of Monitoring System for Electronically Controlled Gaseous Propellent Engines 电控气体燃料发动机监控系统的开发与设计
Analytical results indicate that moving velocity and acceleration of motion platform are smooth, vibration of parallel mechanism is small and propellent machining can be accomplished. 分析结果表明,在给定轨迹下,并联机构动平台中心的速度和加速度变化平稳,产生的振动很小,可以完成药柱整形加工。
In terms of science technology ( S T) being first productivity, S T talents have become the important former, disseminator and propellent of advanced productivity and advanced culture. 在科学技术成为第一生产力的条件下,科技人才已成为先进生产力和先进文化的重要创造者、传播者和推动者。