电子束

The microstructures and high-temperature properties of TC4 titanium alloy joints welded by the electron beam were investigated by high-temperature tensile test, high-temperature endurant tensile test and metallographic examination.

通过高温拉伸试验、高温持久拉伸试验以及金相分析对TC4钛合金电子束焊接接头的显微组织和高温性能进行了研究。

These advantages of EBW make its use expanding in the welding of titanium and its alloys.The microstructure and properties of TC4 alloy joints welded by the electron beam were investigated in this paper with room-temperature impact test, room-temperature tensile test, room-temperature notch tensile test, high-temperature tensile test, endurant tensile test, microhardness test and metallographic analysis.

本课题通过室温冲击、室温拉伸、室温缺口拉伸、高温拉伸、持久拉伸及显微硬度等力学性能试验和金相显微组织分析、断口扫描分析等，对TC4钛合金电子束焊接接头的组织和力学性能进行了分析和研究。

The position and benigent or malignent of the masses could be diagnosed with combination of these three imaging methods, but it is still difficult to make histodialysis.

电子束CT平扫、腮腺造影CT和三维CT相互结合，可以正确区分腮腺肿块的位置和良、恶性，但对于确定其组织学性质仍有一定的困难。

The results showed that sensitivity of the irradiated SnO2 sensors to hydrogen and ethanol were greatly improved.

结果表明，随着电子束辐照剂量的增加，SnO2传感器对氢气、乙醇的灵敏度和选择性系数逐渐增加，传感器的响应和恢复时间逐渐缩短。

Increasing the annealing temperature from 150 to 400℃ for 1h, CeSi〓 or LaSi〓 forms gradually and the completion of reaction occurs at 300-400℃.

在超高真空下，室温，利用电子束蒸发在Si（100）衬底上分别淀积1500埃的轻稀土金属La和Ce薄膜。

Throughout the novel, characters are forced to choose between isolating themselves from the outside world and retreating into tradition—as Reb Saunders advocates—or actively embracing issues that extend beyond a single community—as demonstrated by David Malter's activism.

整个小说，人物被迫选择自己孤立于外部世界，并退回到传统的强流电子束桑德斯倡导者或积极拥护的问题，延伸到一个单一的社会，这表现在大卫Malter的活动。

After David Malter gives a highly publicized pro-Zionist speech at Madison Square Garden, Reb Saunders, who is staunchly anti-Zionist, forbids Danny from speaking to Reuven.

大卫Malter后给出了高度关注亲犹太复国主义言论在麦迪逊广场花园，强流电子束桑德斯，谁是坚决反对犹太复国主义，禁止丹尼从发言鲁文。

Ti/Ni/Au multilayers have been deposited by electron beam evaporation, to metallize CVD diamond wafers. The effect of pre-treatment and post-treatment on adhesion of the multi-layers to the substrates was investigated, and it was found, introducing a pre-fire at elevated temperatures, the adhesion could be improved significantly.

利用电子束蒸镀实现了Ti/Ni/Au多层膜在CVD金刚石膜上的金属化，并研究了预处理和后处理工艺对多层膜在基底上结合的影响，发现高温预处理对多层膜和基底的结合有明显的改善。

To meet the need of improving the welding quality, the microstructure and mechanical properties of the welded joints and the productivity, pure aluminum plate 99.60 is used in the experiment. Combined with micrographic analysis, the effects of electron beam welding on its mechanical properties ,such as strength, hardness and plasticity are studied in this paper.

本文针对应用越来越广泛的纯铝Al99.60，以及对其焊接质量、接头性能及生产率提出的新的要求，结合金相分析，探讨了电子束焊接对其强度、硬度、塑性等基本力学性能的影响规律。

In addition,we studied the PIN punch-through effect,and obtained the PIN punch-through data with 18cm long Pb WO4 crystal at the electron beam energies higher than 20GeV for the first time,and these data gave valuable information to ALICE/PHOS.

在CERN的SPS加速器上的束流测试，得到比较满意的结果；并对穿透效应做了实验研究，首次获得100GeV μ粒子和20GeV以上电子束的18厘米长PbWO4晶体探测器PIN 硅光管穿透效应实验数据，为ALICE／PHOS提供了有价值的参考资料。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐