航天

It was one of the last great frontiers in aviation: to circumnavigate the globe in a balloon.

这是航天领域最后的伟大创举之一：乘坐热气球环绕地球。

weightlessness simulation ; osteoblasts ; flow shear stress ; prostaglandin E 2; clinostat

西安710032；航天医学与医学工程吴兴裕；李莹辉；张晓铀

Thin-walled tube with closed section is commonly used in large space structures.

大型空间结构的热—结构分析是当代航天工程中出现的新课题。

SSI CABLE CORPORATION has been manufacturing microwave co-axial cable assemblies since 1989 and is now a leading supplier of these items. Using innovative and up-to-date manufacturing techniques and technology, their products are widely applied in aircraft, radar, communication networks, and other applications. Customers of SSI include Alcatel, Intel, ITT, Boeing, Lockheed Martin, Loral Skynet, Raytheon, Rockwell Collins, and others. Mitron Inc.

美国SSI CABLE CORPORATION公司位于美国华盛顿州，成立于1989年，拥有世界一流的微波射频同轴电缆组件制造工艺和技术，主要从事各种微波射频同轴电缆组件的生产和销售，生产产品广泛应用于全球的航天、航空、雷达、导航、电子战和通讯网络等军用、民用微波射频领域，客户包括Alcatel、Intel、ITT、Boeing、Lockheed Martin、Loral Skynet、 Raytheon、Rockwell Collins等，是全球领导性的微波射频同轴电缆组件供应商。

SSI CABLE CORPORATION has been manufacturing microwave co-axial cable assemblies since 1989 and is now a leading supplier of these items. Using innovative and up-to-date manufacturing techniques and technology, their products are widely applied in aircraft, radar, communication networks, and other applications. Customers of SSI include Alcatel, Intel, ITT, Boeing, Lockheed Martin, Loral Skynet, Raytheon, Rockwell Collins, and others.

美国SSI CABLE CORPORATION公司位于美国华盛顿州，成立于1989年，拥有世界一流的微波射频同轴电缆组件制造工艺和技术，主要从事各种微波射频同轴电缆组件的生产和销售，生产产品广泛应用于全球的航天、航空、雷达、导航、电子战和通讯网络等军用、民用微波射频领域，客户包括Alcatel、Intel、ITT、Boeing、Lockheed Martin、Loral Skynet、 Raytheon、Rockwell Collins等，是全球领导性的微波射频同轴电缆组件供应商。

Coll. of Information Science and Technology, Nanjing Univ.

南京航空航天大学信息科学与技术学院，江苏南京 210016

Thank you for your starting a special column for the discussion on space projects.

感谢您开始为航天项目的讨论专栏你。

The study of flames spreading over solid combustibles in microgravity is essential for improvement of fire safety in spacecraft and space stations.

微重力条件下可燃物表面的火焰传播过程对于航天飞行器和空间站的火灾安全具有重要意义。

Aerospace and biomechanical engineers have long been aware of shape-memory alloys, but these materials have come to the attention of civil engineers only recently.

航空航天和生物力学的工程师们早就知道了形状记忆合金，但是土木工程师们只是在最近才关注这种材料。

These are: aerospace and defense, chemicals, electronics, motor vehicle and parts, and computer and communications equipment and software.

它们是：航空航天、国防、化工、电子、汽车及零部件、计算机和通信设备和软件。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。