正电子

[zhèng diàn zi] [zhèng diàn zǐ]

汉英

网络释义

例句

释义:
全部全部,positronpositron,positive electronpositive electron,antielectronantielectron,PETPET,PositronsPositrons
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,难难
1.
But the lightning flash detected by Fermi appeared to have produced about 100 trillion positrons: "That's a lot, " he said.
不过，费尔米发现的闪电似乎产生了一百万亿正电子，“那可是个天文数字，”他说。
treasure.1x1y.com.cn
2.
It needed some years of development by the experimenters before the fact of the existence of positrons was established.
确立存在正电子这个事实还需要几年的实验发展。
megust.publicvm.com
3.
If the material being tested has no defects in it, the positrons react a little differently.
如果所探测的材料不存在缺陷，正电子则表现得稍有不同。
www.china-cam.cn
4.
Some of these gamma rays pass near atomic nuclei, in the process transforming into an electron and a positron, researchers said.
某些伽马射线在靠近原子核的附近经过，进入到转化为个电子和正电子的过程，研究人员说。
megust.publicvm.com
5.
In the case of a material with a defect, the positrons are trapped at nano-sized defects in the material.
如果材料有缺陷，这些正电子可以捕捉到纳米尺寸的材料缺陷。
www.china-cam.cn
6.
Meanwhile, positrons from the decay of a form of radioactive sodium are separately slowed and accumulated.
同时，来自放射性钠一种形式的衰减正电子被慢慢分开且累积起来。
www.astronomy.com.cn
7.
Total cross sections for positron scattering on potassium were calculated at low energies by means of the coupled channels-optical method.
应用耦合通道光学势方法计算低能正电子同钾原子碰撞的总散射截面。
www.ceps.com.tw
8.
Result: All patients examinations were accomplished successfully, the PET image was good enough to meet the request of clinic.
结果：所有患者均顺利完成正电子发射计算机断层显像检查，所得正电子发射计算机断层显像图像全部达到了临床诊断要求。
www.chemyq.com
9.
It was only in 1932, when the electron's antimatter sibling, the positron, was sighted in cosmic rays that such a thing was found to exist.
只有当1932年与电子相反的兄弟，正电子，在宇宙射线中被发现的时候，才证明这种物质的确存在。
megust.publicvm.com
10.
An atom of antihydrogen, for instance, is composed of a negatively-charged antiproton being orbited by a positively-charged positron.
举例来说，一个反氢原子，由带正电荷的正电子围绕带负电荷轨道运行的反质子组成。
www.astronomy.com.cn