正电

An electron has a negative charge,a proton has a positive charge.

电子带负电荷,质子带正电荷。

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

提出正电子素光磁湮没模型以解释实验事实。

The positive pole carries a positive charge while the negative pole does a negative charge.

正极带正电荷, 负极带负电荷。

The antielectron, or positron, was discovered in 1932.

反电子或正电子,是1932年被发现。

Electrons are negatively charged with electricity,protons are positively charged.

电子是带负电荷的,质子是带正电荷的。

In the wash solution, these positively charged cationics adsorb to the negatively charged surface of fabrics.

溶液中，些带正电的阳离子吸附表面带负离子的织物上，起到润滑作用。

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

项技术的重点于增加了电池正电子电极——阳极——所能携带的电子。

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

该核素图将电子、正电子、反质子、反中子和光子收录，美地表现了质量和电荷的对称性。

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)正电子发射型体层摄影术(PET)全身显像原发灶不明转移癌中的作用。

Based on the laboratory experiments, MMH polymer MMH polysulfonate drilling fluids system is developed through analyzing the properties of positive colloid, polymers and polysulfonate muds.

通过对正电胶、聚合物、聚磺钻井液特点进行分析,室实验的基础上,设计研究了MMH聚合物-MMH聚磺钻井液体系。