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positron spectroscope 正电子谱仪
An electron with a negative charge, as contrasted with a positron. 电子带有负电荷，与正电荷相反的电子
Positron is how it was detected by ? 正电子是如何被检测出来的呢？
The antielectron, or positron, was discovered in 1932. 反电子或正电子,是在1932年被发现。
To participate in annihilation, as do an electron and a positron. 湮灭，湮没湮灭，如电子与正电子
Corresponding optical antenna and spectroscope are designed. 设计了和上述推证相关的光学天线和分光镜等。
To participate in annihilation,as do an electron and a positron. 湮灭，湮没湮灭，如电子与正电子
An electron with a negative charge,as contrasted with a positron. 电子带有负电荷，与正电荷相反的电子
This creates, as it were, electron and positron shadows. 这样也就有了电子和正电子的阴影。
The result is that the electron shadow and the positron shadow are separated. 结果将使得电子的阴影和正电子的阴影被分开。
The vacancy defects of samples were measured by slow positron annihilation. 借助慢正电子湮没技术研究了样品的空位型缺陷。
Shimano introduced Positron indexed shifting for low-priced bicycles in 1977. 禧玛诺介绍了正电子索引的低价自行车在1977年转移。
Precision values of atomic masses are measured in a device called a mass spectroscope. 原子质量的精确值是用一种称为质谱仪的装置来测量的。
GaAs-Al_xGa_(1-x)As heterostructure grown by liquid phase epitaxy (LPE) has beenstudied by Auger electron spectroscope. 采用俄歇电子能谱仪(AES)对液相外延生长的GaAs-AlxGa_(1-x)As异质结构进行了研究.
Both rely on mathematical calculations to determine the location from which a positron or photon was emitted. 这两种成像方法均依靠精确的计算来决定正电子或光于发射的位置。
Inside the aircraft, a spectroscope would "read" the data and record where the bacteria around land mines is located. 然后结合使用激光技术和定向能源束，从天空就可以起爆地雷。
He drew a line on the chart; The substance produced characteristic lines on the spectroscope. 他在图上画了一条线。
Antimatter/matter reactions have practical applications in medical imaging, see Positron emission tomography (PET). 反物质/物质反应在医学成像有实际应用,注意正电子放射断层摄影术(PET)。
The order of the mian components in HPLC curve was locked coupled with ultraviolet spectroscope. 结合紫外光谱确定了庚烷溶物组主要成分在HPLC流出曲线中的出峰顺序。
Inside the aircraft, a spectroscope would “read” the data and record where the bacteria aroundlandmines is located. To Confuciuswho never lived in a place for long and become cocooned inthe immediate surroundings; traveling deepened his understanding of history.;定向能源束从上空扫描雷区，飞机里面的分光镜“读出”数据，并记录下地雷周围细菌的具体位置。