有奖纠错
| 划词

The antielectron, or positron, was discovered in 1932.

,是在1932年被现。

评价该例句:好评差评指正

A photomagnetic positronium annihilation model was proposed to explain the experimental facts.

提出素光磁湮没模型以解释实验事实。

评价该例句:好评差评指正

Objective To evaluate the value of 18 F-deoxyglucose (FDG) positron emission tomography (PET) in detecting the primary focus of metastatic cancer with an unknown primary.

目的探讨18F-脱氧葡萄糖(FDG)射型体层摄影术(PET)全身显像在原灶不明转移癌中的作用。

评价该例句:好评差评指正

The key of this technology depended on increasing batteries positron electrode -- zincous -- the electron that can carry.

这项技术的重点在于增加了——阳——所能携带的

评价该例句:好评差评指正

The nuclide chart involves electron, positron, antiproton, antineutron, photon to exhibit the symmetry of mass and charge ideally.

该核素图将、反质、反中和光收录在内,完美地表现了质量和荷的对称性。

评价该例句:好评差评指正

用户正在搜索


imperialization, imperialize, imperially, imperials, imperil, imperilled, imperious, imperiously, imperishability, imperishable,

相似单词


3G, 401(K), a,

声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

CNN 10 学生英语 2017年11月合集

Using a PET scan technology that he helped develop and partly owns.

使用发射扫描技术,这个是博士协助开发的技术并拥有部分所有权。

评价该例句:好评差评指正
经济学人-科技

Luc De Nil, of the University of Toronto, has been poring over stutterers' brains using positron emission tomography and functional magnetic resonance imaging.

多伦多大学的卢克∙德∙尼尔已经用发射断层扫描和功能性磁共振成像仔细研究了口吃者的大脑。

评价该例句:好评差评指正
科学60秒 听力 2014年9月合集

Positrons are the antimatter counterparts to electrons.

的反物质。

评价该例句:好评差评指正
宇宙奥秘

As early as 1932, the first positrons or anti electrons were discovered in cosmic rays and in 1955, scientists from Berkeley managed to obtain anti protons.

早在1932年,在宇宙射线中发现了第一批,1955年,伯克利的科学们成功地获得了反质

评价该例句:好评差评指正
Scishow

A positron for example is just like an electron but it has positive charge.

比如一个,就是一个,但是带有一个单位正荷。

评价该例句:好评差评指正
科学60秒 听力 2014年9月合集

Normal astrophysical processes create some positrons, but not as many as AMS registered.

正常的天体物理运动会产生一些,但数量不及阿尔法磁谱仪中记录的。

评价该例句:好评差评指正
少年谢尔顿 第七季

You wrote that article on the positron.

你写过关于的那篇文章。

评价该例句:好评差评指正
超女 第02季 S02

The positron cannon is ready to fire, and you're safe.

炮已准备好开火 你安全了。

评价该例句:好评差评指正
经济学人(汇总)

But an analysis of results from the LHCB experiment (pictured), a purpose-built detector fitted to CERN's Large Hadron Collider (LHC), suggests electron-positron pairs are more abundant than muon pairs.

但是对LHCB(欧洲核研究中心的大型强对撞机(LHC)专用探测器)实验结果的分析表明,-的数量对比介对更多。

评价该例句:好评差评指正
PBS趣味科普

Down below, uranium is getting split apart and releasing a bunch of heat, radiation, and high-speed particles, like negatively-charged electrons, and their positively-charged counterparts, known as positrons.

在下面,铀正在分裂,释放出一堆热、辐射和高速粒,比如带负荷的和带正荷的,称为

评价该例句:好评差评指正
Osmosis-消化

A Positron Emission Tomography - or PET for short - is useful to see if the cancer has metastasized and to evaluate the response to chemotherapy.

发射计算机断层显像,简称PET,可用于检查肿瘤是否已经发生转移,同时测评肿瘤的化疗效果如何。

评价该例句:好评差评指正
经济学人(汇总)

These may be an electron and its antimatter equivalent, a positron, or two heavier leptons, a muon and an antimuon.

它们可能是一个和它的反物质等价物,一个者两个更重的轻,一个介和一个反介

评价该例句:好评差评指正
宇宙奥秘

It begins to decay and emit positrons, aka, anti electrons.

它开始衰变并释放,也就是反

评价该例句:好评差评指正
英语短文

Oppenheimer's early research was devoted in particular to energy processes of subatomic particles, including electrons, positrons, and cosmic rays.

奥本海默早期的研究特别致力于亚原,包括和宇宙射线的能量过程。

评价该例句:好评差评指正
宇宙奥秘

Thus, humanity recognized the positron, a positively charged copy of the electron.

因此,人类认识到了,一种带正拷贝。

评价该例句:好评差评指正
VOA Special 2019年3月合集

They used PET scans to look at the flow of oxygen and sugar in the brains.

他们使用PET(发射断层扫描技术)扫描来观察大脑中氧气和糖分的流动。

评价该例句:好评差评指正
Scishow

And when an electron and a positron or a proton and antiproton meet, they annihilate.

当一个相遇,者一个质与反质相遇,它们就会抵消。

评价该例句:好评差评指正
超女 第02季 S02

I'm sorry, we have a positron cannon?

抱歉 我们还有炮?

评价该例句:好评差评指正
经济学人-科技

Within the limits of accuracy of the experiment, positron spin-flipping seems to happen at the same frequency as electron spin-flipping.

在实验度可以达到的范围内,的自旋反转似乎与的自旋反转发生在同一微波频率上。

评价该例句:好评差评指正
宇宙奥秘

When electrons collide with the foil, positrons are formed in the flow.

与金属箔相撞时,在流动中形成。

评价该例句:好评差评指正
加载更多

用户正在搜索


import, import duty, import relief, importability, importable, importance, importancy, important, importantly, importation,

相似单词


3G, 401(K), a,
  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接