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1)  space debris environment
空间碎片环境
1.
This paper discusses the giant collision of US-Russia satellites in space, including a brief description, possible causes for this accident, the influence of this collision on the space debris environment, on the in-orbit spacecraft and even on the future spaceflight activities, and the new challenges after this accident for space debris protection of spacecraft.
文章介绍了最近发生的美俄卫星太空碰撞重大事件;深入剖析了导致碰撞的可能原因;详细评述了卫星碰撞事件对空间碎片环境的严重恶化和对人类航天活动的影响;分析了碰撞事件对空间碎片研究带来的新困难和新挑战。
2)  orbital debris
空间碎片
1.
SW shield has shown the superior performance compared with the other three structures for protecting spacecraft from meteoroid and orbital debris(M/OD)at an equal areal density and the same imp.
结果表明,在相同面密度条件下,填充式防护结构抗空间碎片的效能最佳,Whipple 防护结构较差,双层铝防护结构介于两者之间,整体式结构最差。
2.
The software of design optimization on orbital debris shielding structure has been initiated in the world on the basis of orbital debris assessment software.
空间碎片防护结构设计优化技术是航天器防护设计的关键技术之一,在空间碎片超高速撞击风险评估软件研制基础上,国际上已开始了空间碎片防护优化软件的研究开发,而且取得了阶段性的研究成果。
3.
For the spacecraft shading problem in orbital debris risk assessment, based on Roberts algorithm and Z-buffer algorithm, a shading algorithm is proposed, which is simple in computation, accurate in results and versatile in applications.
航天器空间几何遮挡算法是空间碎片风险评估的关键环节,遮挡算法的正确性对评估精度影响显著。
3)  space debris
空间碎片
1.
Modeling and simulation of collision probability between flying warheads and space debris;
弹头飞行空间碎片碰撞概率建模与仿真
2.
Performance analysis for spacecraft shield structures against meteoroid and space debris;
航天器微流星体及空间碎片防护结构性能分析
3.
Calculation of Lamb wave in acoustic emission and application in monitoring impact from space debris;
声发射Lamb波计算及其空间碎片撞击监测应用
4)  space environment
空间环境
1.
Influence of space environment on the thermal design of spacecraft;
空间环境对航天器热设计影响分析
2.
On the monitoring of space environmental effects in China;
我国空间环境及其效应监测的初步设想
5)  environmental space
环境空间
1.
The status of pollutant emission from power Industry was introduced, and the environmental space for coal-fired power distribution was analyzed from the points of environmental carrying capacity, potential emission reduction of SO2, desulphurization cost and enviro.
介绍我国电力行业大气环境污染物排放现状,从硫沉降环境承载力、现有机组SO2减排空间、新增机组脱硫成本、环境损失等角度,分析西部、北部煤炭产区和中东部负荷中心地区煤电布局的环境空间,指出我国未来的煤电布局应与环境承载力地区分布格局相一致,新建燃煤电厂应更多地向环境空间较大的西部、北部主要煤炭产区布局,从整体上减少全国的环境损失。
2.
From three aspects: structural space,functional space and environmental space the no barrier design of toilet is discussed in order to provide convenience for residents to embody the design thought regarding human being as the basis.
介绍了无障碍设计的理念,分析了实施无障碍设计的必要性,提出了无障碍卫生间的设计原则,从结构空间、功能空间和环境空间三个角度探讨了无障碍卫生间的设计,以给使用者提供方便,体现"以人为本"的设计思想。
3.
Environmental space (ES) of Ziwei city garden in Xi an was analyzed.
对西安紫薇城市花园的环境空间进行了分析和探讨,提出了城市居住小区的环境空间应该满足居民的交往需求、营造场所空间的观点,并分析探讨了现代景观设计方法在小区环境景观设计中的运用。
6)  spatial environment
空间环境
1.
Application of water in spatial environment of modern architecture;
水体在现代建筑空间环境中的运用
2.
Conformation regenerating for the spatial environment of the old buildings;
旧建筑空间环境的整合再生
3.
Analysis of walking street spatial environment in Wangfujing;
王府井步行街空间环境分析
补充资料:分子碎片法
分子式:
CAS号:

性质:20世纪70年代发展起来的计算量较少的大分子从头计算方法。该方法首先将大分子分解为若干基团(碎片),其次用浮动球高斯轨道方法优选这些基团的最佳电子构型参数——轨道位置与半径,再将这些基团按一定的方式拼成大分子,最后用自洽场方法对这个大分子进行计算,从而解出分子轨道能级和波函数及其各种单电子性质。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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