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Technique of mutation breeding in gladiola was studied by meansof electron beam.

电子束辐射,研究

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Abstract: Technique of mutation breeding in gladiola was studied by means of electron beam.

摘 要: 用电子束辐射,研究

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The characteristics of pulsed electron beam generated by multiplate pseudospark chamber (MPC) on the basis of field escalation effects have been described in this paper.

摘要基于电场递增效应理论,讨论了多极板赝火花脉冲电子束特征。

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The process of vacuum electron beam welding for rear-axle housing semiaxle of coach was introduced and the major problems in the process of welding was analysed.

介绍了用真空电子束焊接大型客车后桥壳半轴工艺方法,并就焊接过程中存在主要问题进行了分析。

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VOA常速英语_科技

So that we are using very highly sophisticated equipment, mainly the electron beam lithography.

的是非常精密的设备,主要是电子束光刻。

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CRI在线 2020年12月合集

They can also detect solar flares, Earth gamma flashes and Earth electron beams.

还可以探测太阳耀斑、地球伽马闪光和地球电子束

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国家地:中国兵马俑

Then bombarding the plastic with electron beams from a particle accelerator which evaporate water and bond the plastic to the lacquer.

然后粒子加速器发出的电子束轰击塑胶以其水分挥发并与漆层粘合。

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科技 Crash Course

The first option is to direct the electron beam to trace out shapes.

第一个选项是引导电子束来描绘形状。

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科技 Crash Course

You only turn on the electron beam at certain points to create graphics.

你只在某些点开启电子束来创建图形。

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BlueSci Podcast

Yeah, because I guess the electron beam itself, obviously you're applying a lot of energy to these materials.

是的,因为电子束本身显然会给这些材料施加大量能量。

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经济人 Science and technology

The Department of Energy's Los Alamos National Laboratory aims to use a space-based electron beam to, in essence, manufacture lightning.

美国能源部的洛斯阿拉莫斯国家实验室旨在利太空电子束来制造闪电。

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Nature Podcast

And to make these structures reproducible, and therefore the properties of the electron beams reproducible, is much, much more challenging.

为了这些结构可重复,从而电子束的特性可重复,是一项更加艰巨的挑战。

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Nature Podcast

Our electron beam has a certain energy spread, so the electrons sometimes have a little bit more and a little bit less energy.

电子束具有一定的能量分布,因此电子有时会稍微多一些能量,有时则少一些。

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博兹曼科——

And so inside a vacuum chamber they had an electron gun that would produce an electron beam that would strike a nickel target.

因此,他在真空室内安装了一把电子枪,该电子枪可以产生电子束,击中镍靶。

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周日奥秘揭晓

Finally, as the team subjected the sample to higher temperatures and pressures, they used X-ray and electron beams to track the changes in the material.

最后, 当研究团队将样本暴露在更高的温度和压力下时,他X射线和电子束来追踪材料的变化。

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经济人 Science and technology

With the help of electron beam lithography, Dr Paas and his colleagues produced 5 million of them and suspended them in a vial of water.

电子束光刻的帮助下, 帕斯博士和他的同事制造了500万个微型自画像,并将它悬浮在一瓶水中。

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科技智慧坊

The incredibly small beam then hits the specimen composed of different elements and densities of materials, thus scattering the electrons in different ways, thereby imprinting an image on the transmitted electron beam.

然后, 这束极其微小的电子束会照射到由不同元素和密度的材料组成的样品上,从而以不同的方式散射电子,进而将图像印记在透射电子束上。

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科技智慧坊

The next lenses, the objective and a series of four projector lenses, are used to resolve and magnify the minuscule image imprinted into the electron beam, up to a width of a few centimeters.

接下来的镜头, 包括镜和一系列四个投影镜头,于解析并放大刻印在电子束上的微小图像,直到宽度达到几厘米。

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科技智慧坊

The purpose of having two systems is that the phosphorescent screen and camera is used to ensure that the electron beam and magnetic lenses are set up properly, as an incorrectly focused beam could damage the sensitive CMOS camera.

拥有两个系统的目的在于磷光屏和相机来确保电子束和磁透镜设置正确,因为聚焦不当的电子束可能会损坏敏感的CMOS相机。

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