真空环境

本文报道了在超高真空环境下用光学二次谐波方法研究氧在多晶银表面的解离过程。

In this paper , we report the study of adsorption and dissociation of oxygen on a polycrystalline Ag surface by means of optical second-harmonic generation ( SHG ) in a Ultra-high vacuum .

南美白对虾在贮藏过程中PPO活性逐渐上升，真空环境中PPO活性受到抑制，贮藏温度越低，抑制作用越强。

The PPO activity of prawns was inhibited in vacuum environment , the lower the storing temperature was , the stronger the PPO activity was .

本文报道用光学二次谐波产生法（SHG）在超高真空环境内对银氧吸附体系所作的实验研究。

Optical second-harmonic-generation study on the adsorption of oxygen on a polycrystalline Ag in an UHV chamber is reported .

分别在氮气、氩气、真空环境下制备了多种成分的Cu-Cr合金。

Cu-Cr alloys with various component were prepared by atmosphere-melting technique in N2 , Ar and vacuum conditions respectively .

本文首先从抽气平衡方程推导得到了检验FED漏率是否合格的判别公式，并从此判别公式出发，对真空环境和FED工作寿命之间的关系进行了计算。

A discriminating equation , derived from the pumping balance equation can be used not only to check the leak rate , but also to evaluate the dependence of the working life time of the FED on vacuum environment .

烧结致密的αSiC片在埋入Cr粉中，并经1100℃在静态真空环境中高温处理1h后，在其表面形成厚度约5μm均匀、致密的涂层。

SiC piece is immersed in Cr powder and annealed at 1 ? 000 ℃ in static vacuum atmosphere for an hour , forming dense and uniform coating about 5 μ m thick on its surface .

实验研究表明，在真空环境下，对于推进剂工质Ar、He、N2、H2和空气启动可靠。Ar最容易启动，N2次之，He最难；

Testing research specifies that MPT can reliably start up for Ar , He , N2 , H2 , and Air under the vacuum condition , and that ignition is easiest with Ar , than with N2 , and most difficult with He .

利用X射线光电子能谱、红外喇曼反射谱和红外透射谱，研究了在超高真空环境下，红外探测器在电老化一段时间后，其表面镀ZnS的Ge窗口材料表面的变化情况。

XPS , Raman spectrum and infrared transmittance spectrum were used to study the surface of Ge window on infrared detector , which was electron-aged in ultravacuum after some time . And Ge window was covered with a thin film of ZnS .

国内外关于PTFE填充改性的报道很多，但文献中绝大部分为在真空环境或低温环境这些单一影响因素下进行研究的，适用于真空低温这种苛刻条件下的研究很少。

At home and foreign the reports on the modification of PTFE filled are many , however , most literature studied under vacuum or low-temperature of the single effect factors , and reports on PTFE composites under harsh conditions such as vacuum and low-temperature are few .

在Gurney模型的基础上，结合变质量体系的动力学方程，提出了一种简单地描述在真空环境中强激光驱动飞片高速运动的计算模型。

In the framework of Gurney theory and the kinetics equation of changeable mass system , a simple model to calculate the final velocity of a laser-driven foil plate in vacuum condition has been proposed .

在真空环境下，首次利用固态化学置换反应制备了K（TCNQ）薄膜，其分子结构与已报道过的K（TCNQ）单晶、多晶相同。

The K ( TCNQ ) thin film was prepared by a method of solid chemical replacement reaction in vacuum . The molecular structure obtained in K ( TCNQ ) thin film is the same as that in K ( TCNQ ) single crystal and polycrystalline solids .

有机太阳能电池（OSCs）由于其在产品制造中具有的轻薄、柔性、易于在低温和非真空环境中大面积制备等特点，展示了其在商业应用中的广阔前景。

Organic Solar cell ( OSC ) has demonstrated its broad commercial applications in the future due to its thin , flexible , easy-to-low temperature and large area of non-vacuum environment devices .

在国内首次进行了MPT真空环境启动、稳定工作特性和性能实验，测取了MPT的性能参数曲线，研究了微波功率、工质气体流量等参数对MPT性能的影响。

Experimental study on start-up , steady work and performance of MPT were completed first time in China . The performance curves of MPT were obtained and the influence of parameters such as microwave power , gas flux , etc. on performance was studied .

本论文对MPT微波等离子体耦合流场进行了机理分析和数值模拟，建立了MPT的小推力测量系统，协同进行了MPT真空环境实验研究。

In this thesis , the mechanism analysis and numerical simulation on the coupling flow field of microwave plasma within resonant cavity of MPT was discussed and the subsystem of small thrust measurement as well as the vacuum experimental study of MPT were completed .

总结了放气研究在工业领域的各种应用，分析了真空环境下非金属材料放气的三种模型：Schram模型、扩散模型和基于马列夫理论吸附扩散模型。

The applications of outgassing technology in industrial field were summarized with three kinds of outgassing models analyzed , ie. Schram model , diffusion model and adsorption-diffusion model based on Malev 's theory .

对等离子体的飞行速度进行了理论模拟，但由于我们的实验是在3Pa气压下做的，而理论模拟是在真空环境中，所以理论值与实验值符合的不是很好。

However , because the ambient pressure in our experiment is 3 Pa , the calculation corresponds vacuum , therefore the calculated value of velocity is not fit very well with that of experiment .

利用4.2K低温面对气体的物理吸附机制实现高气载下瞬时大抽速的液氦低温冷凝泵，具有工作压强范围宽、能获得清洁真空环境的特点。

The working principle of liquid helium cryocondensation pump is strong absorptive force between 4.2K cryogenic surface and gas molecules . The pump has great advantage in large instant pumping speed under high gas load , large working pressure range , high & neat ultimate vacuum .

模糊控制的热真空环境模拟设备研究

Research on thermal vacuum environmental simulation equipment based on fuzzy control

真空环境下介质表面电荷分布的测量方法

Measurement Methods of Surface Charge Distribution on Dielectric in Vacuum Environment

疲劳条纹在低循环应力时出现疲劳条纹的区域增多，真空环境下极少出现轮胎花样与疲劳条纹。

However , few fatigue striations and tyre-like patterns existed in vacuum .

电连接器真空环境试验电压加载方式研究

Research on environment test voltage loading method of electrical connector in vacuum

真空环境脉冲激光焊接工艺分析

Analysis of the impulse laser welding technology in vacuum environment

高重复频率脉冲激光材料烧蚀的准真空环境效应

Effect of Quasi-Vacuum Environment in Ablation with High Repetition Rate Pulsed Laser

高温真空环境下轴类零件的热结构设计

Thermal structures design of axial parts under high temperature and vacuum environment

这同样适用于真空环境下的焊接。

This also applies to solders which can be used under vacuum .

太阳系类地行星际真空环境特性研究

Vacuum Environment of Terrestrial Interplanetary Space in Solar System

真空环境下电介质表面电阻率测试方法及其影响因素

Measurement Method and Influence Factors of Surface Resistivity of Dielectric in Vacuum Environment

真空环境中烟幕云团形成阶段的膨胀模型

Expansive Model of Smoke Cloud Forming Course in Vacuum

本文讨论了带电粒子束在真空环境中的定常传输。

In this paper the steady transmission of charged partical beam invacuum was discussed .

斯特林制冷机真空环境模拟试验

Simulation test of vacuum environment for Stirling cooler