英语人>网络例句>bombardment 相关的网络例句
bombardment相关的网络例句

查询词典 bombardment

与 bombardment 相关的网络例句 [注:此内容来源于网络,仅供参考]

A rapid and violent military attack with intensive aerial bombardment.

用强烈的航空炮击的迅速、激烈的军事进攻。

In the same year he began to study the transformation of light elements by bombardment with alpha rays.

1920年代,博特用符合方法发现了来自上层大气层的穿透射线,这种射线现在被称为宇宙射线。

We have shown that it is possible to create a radioactivity characterized by the emission of positive or negative electrons in boron and magnesium, by bombardment with alpha rays.

我们已经展示了人工放射现象的可能性,这种放射现象的特征是用以射线轰击用咄硼和镁中的正电子或负电子。

The nurse was assisting an anesthetist named Henry Beecher, who was tending to US troops under heavy German bombardment.

这位护士正协助麻醉师亨利比彻的工作,照料处于德军炮火下的美国军队。

"Fermi:Italian-born american physicist. He won a 1938 Nobel Prize for his work on artificial radioactivity caused by neutron bombardment . In 1942 he produced the first controlled nuclear chain reaction, in a squash court at the University of Chicago."

"费密:意大利裔的美国物理学家,因研究中子人工引发原子衰变而获1938年诺贝尔奖,1942年他在芝加哥大学拥挤的球场上第一次实现了受控键式核反应。"

Radioactive decay studies have found a kinds of elements can be α or β decay and the decay into another element, while the α-decay product of -α-rays became one of the deep structure of the material means of .1911, the Rutherford and others bombarded atoms with α-rays observed wide-angle deflection to determine the nuclear structure of atoms and nuclei was first proposed the term .1919 year, Rutherford and others have also found that with α-ray bombardment of nitrogen will release the nuclear protons, this is the first time Artificial realization of a nuclear reaction, after the bombardment of nuclei with the radiation caused by nuclear reaction method to become the primary means of research in nuclear.

放射性衰变研究发现了一种元素可以通过α衰变或β衰变而变成另外一种元素,而α衰变的产物——α射线又成了人们探讨物质深层结构的手段。1911年,卢瑟福等人用α射线轰击原子、观察到大角度偏折,从而确定了原子的有核结构,并首次提出原子核这一名词。1919年,卢瑟福等人又发现用α射线轰击氮核会放出质子,这是首次用人工实现的核反应,以后用射线轰击原子核来引起核反应的方法逐渐成为研究原子核的主要手段。

The results show that the spectra of chuster atoms and the recoil target atomsare broader for the cluster bombardment than those for the monatomic bombardment withthe same incident velocity.

结果表明,与单原子注入比较,原子簇轰击后注入原子的能谱和靶原子的能谱加宽,并有部分簇原子的能量高于它的入射能量。

The results showed that 7-day-precultured embryogenic calli had the best responses for bombardment among 2-7 day' preculture duration. Enhanced transformation efficiency was found in the explants treated with high osmotic medium 4h prior to till 24 h after bombardment. Particles of gold and tungsten were both found suitable for rice transformation and there was no adverse effect when tungsten particles were reduced to 1/3 standard amount for DNA precipitation on transient GUS gene expression. However, it was found that gold particle had higher GUS expression at 120 h post-bombardment. A preliminary microprojectile transformation system with an average of 15-20 blue spots/explant GUS expression was routinely obtained for 'Tainung 67' by using the particle gun with 1,100 psi rupture disk, 6 or 9 cm microcarrier flight distance and 4 mm of macrocarrier flight distance setting.

初步结果显示,以预培养2~7日之胚性癒合组织逐日测试转殖率,以预培养7日之培植体表现最佳;培植体於转殖前4小时至转殖后24小时以高渗透压培养基处理,有助於转殖效率之提高;比较金、钨粒子对转殖率在转殖后48h並无不同,但转殖后120 h取样,则金粒子组有较高之蓝点数;钨粒子用量可减少至1/3標准用量对转殖率並无影响;利用基因鎗在使用1, 100 psi裂碟片、大载片至挡片之距离为4 mm、微载髁至射击目標之飞行距离6或9 cm之设定,GUS基因表现之平均蓝点数均可达15~20个/培植体。

A high-quality neon tube manufacturing process include: bombardment degassing, vacuum and maintain vacuum and inert gas filled into the three major areas, while the bombardment degassing is the primary link, if a link is not sure is good, even if the neon vacuum pumped,"ultra-high vacuum", the use of neon tubes can not be long.

一根优质的霓虹灯管的制作工艺包括:轰击去气、抽真空及保持真空、充入惰性气体三个大环节,而轰击去气是首要环节,如果在个环节没把握好,就算把霓虹灯的真空抽到&超高真空&,霓虹灯管也使用不了多长时间。

This paper presents conductive polymer molecular materials with insulating powder, mixed into the deployment of surge suppressors for low capacitance of paste, while the component design concept is based on the field of passive components, manufacturing process to make the basic theory to design the protective components, the main use of the existing ceramic substrate for the component body structure design, screen design in the body through the structure of the gap at the top of the printing layer of a different conductors, and then to learning to know the printing process technologies approach the low capacitance of the surge suppressor paste cover the gap in the two conductors, and by the resistance of plastic burning process technology, the temperature of sintering parts made of electrostatic protection element, and this protection through the external ESD components in bombardment tests, measurement of capacitance electrostatic discharge after bombardment, Trigger voltage and leakage current data, and the volume measured by the results of future discussion of the layout of this different style of work in the same area, different clearance, solid content and temperature than the next, for the attainment of performance components, a low capacitance ESD protection devices with low breakdown voltage requirements and to chip-based protection devices can be designed to integrate with the advanced Integrated Circuits or used independent of the electrostatic protection element in the system.

本文提出高分子导电分子材料搭配绝缘粉末,调配混合成适用於低电容突波抑制器之PASTE,而元件设计概念是以被动元件制程领域作基础理论去设计此防护元件,主体利用现有陶瓷基板为元件本体结构设计,在经由网版设计在本体结构上方印刷一层不同的间隙导体,再以习知印刷制程技术方式,将低电容突波抑制器之PASTE覆盖在两导体的间隙内,并经由电阻制程习知塑烧技术,将元件烧结适当温度制成静电防护元件;而此防护元件在经外加静电放电轰击测试后,量测静电放电轰击后的电容、Trigger voltage及漏电流相关数据,并藉由测结果讨此同的布局样式,在相同工作区面积、不同间隙、固含量与温度比下,对於元件效能是否达到静电防护元件低电容与低崩溃电压的需求,并藉此晶片型防护元件可设计整合於先进积体电或应用於独系统的静电防护元件中。

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