- 更多网络例句与正电荷相关的网络例句 [注：此内容来源于网络，仅供参考]
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Alpha particle s have two positive charges and a mass of four atomic mass units; they are identical to helium nuclei.
因为α粒子有两个正电荷，质量为4，射出后产生的子核的正核电荷和原子序数都比母核小两单位，质量小四单位。
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Fifteen years later, by bornharding with alpha rays certain of the lighter atoms, nitrogen and aluminium for example, Lord Rutherford demonstrated the ejection of protons, or positively charged hydrogen nuclei
15年后他用a射线轰击某些较轻的原子，如氮原子和铝原子，向人们展示质子，即带正电荷的氢核的排斥现象。
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With the discovery of the radio-elements, physicists found themselves for the first time confronted with strange substances, minute generators of radiation endowed with an enormous concentration of energy; alpha rays, positively charged helium atoms, beta rays, negatively charged electrons, both possessed of a kinetic energy which it would be impossible to communicate to them by ''.
由于放射性元素的发现，物理学家们第一次发现自己面临许多陌生的物质——许多具有巨大的浓缩能量的、能够发生辐射的细微物质，如射线，即带正电荷的氦原子小射线，即带负电荷的电子。
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Alpha particles have two positive charges and a mass of four atomic mass units; they are identical to helium nuclei.
因为α粒子有两个正电荷，质量为4，射出后产生的子核的正核电荷和原子序数都比母核小两单位，质量小四单位。
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The above results were interpreted by the calucation of CNDO/2 method of quantum chemistry. The effection of a collector-accelerating-agent mixed with a just main-collector was better than that of two collectors mixed. The structure of collector-accelerating-agent is described:① a carbonic chain or ring compound with a polar-radical,② a larger positive electric centre in this polar-radical〓 was the compound with many coordination atomics.
量子化学CNDO/2方法计算验证了上述结果，并且得到如下结论：选择有效的捕收促进剂与适当捕收剂混用，比用两种捕收剂混用更有效；并总结出捕收促进剂的结构特点为：①带一个极性基团，有足够疏水性的碳链、环化合物；②极性基因中有一个较大的正电荷中心；③极性基因中最好有多个能参与配位的极性原子。
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The process of beta decay increases or decreases the positive charge of the original nucleus by one unit without changing the mass number.
衰变过程使母核增加或减少一个单位的正电荷而不改变它的质量数。
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In some kinds of beta decay, a nuclide loses surplus positive charge by emitting a positron (in the same event, a proton becomes a neutron, and neutrinos are also given off).
以某种贝它衰减，一个核素靠发出一个正电子失去剩余正电荷(在相同的事件中，一个质子变成一个中子，而且也发射微中子)。
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The cyclotron accelerates positively charged particles, while the betatron accelerates negatively charged electron s.
回旋加速器加速正电荷粒子，贝他加速器加速负电荷电子。
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The major results of the work are summarized as follows: In the tested pH values, the ratios of positive charge densities to the negative charge densities of latosol particles were in the range of 0.4 to 0.8, the Po./Ne. of lateritic red soil particles were in the range of 0.08 to 0.22, whereas the Po.
主要研究结果如下：在测试pH条件下，砖红壤悬液中正电荷密度占到负电荷密度的40 -80 %，赤红壤悬液中为8.4 - 22 %，红壤悬液为1.6 - 6.4 %；在红壤悬液中可以忽略正电荷的影响。
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Most of water-soluble cyanine dyes have -SO3H and –COOH in their molecules, which will influence the biomolecules' functional characters. A new kind of water-soluble cyanine dyes with several cations in molecules were designed and synthesized, preparation conditions of intermediate and dyes were researched and optimized, the yield of dye is 25%. The novel kind of cyanine dye are water-soluble , spectrum characters was researched , all the dyes were charactered by 1H NMR and TOF-MS, spectrum in different solvent of novel dyes were focused on, one of the kind dyes show higher fluorescence quantum yield than the result reported. Because of several cations in the structure, it is promising when used in DNA assay and other bio-assay field.
大多数水溶性的菁类荧光染料分子结构中都带有-SO3H和-COOH等基团，过多的阴离子的引入容易造成对生物分子的功能属性的影响，本论文设计并合成了分子结构中带有多个正电荷的水溶性的一类新型菁染料，考察并且研究了中间体和染料的合成条件，最终的目标产物产率达到25％，染料通过了质谱和核磁的表征，新型的染料具有良好的水溶性，研究了新染料在多种溶剂的的光谱性质，其中一种染料的在水中的荧光量子产率比文献报道得到了提高，由于富集了正电荷，这类菁染料在DNA标记等生物中有一定应用前景。
- 更多网络解释与正电荷相关的网络解释 [注：此内容来源于网络，仅供参考]
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positive charge carrier：正电荷载流子
positive carrier 正电荷载流子 | positive charge carrier 正电荷载流子 | positive charge 正电荷
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Increasingly Positive：正电荷增加
increasingly positive正电荷增加 | increasingly negative负电荷增加 | air空气
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negative charge, positive charge：负电荷,正电荷
electric charge, charge 电荷 | negative charge, positive charge 负电荷,正电荷 | electron 电子
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positive charge：正电荷
1. 自然界存在着两种电荷(electric charge),正电荷(positive charge)与负电荷(negative charge).同种电荷互相排斥,异种电荷互相吸引.
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positive charge：阳电荷,正电荷
position-se or 位置传感器 | positive charge 阳电荷,正电荷 | positive electricity 阳电,正电
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unit positive charge：单位正电荷
unit pole单位磁极 | unit positive charge单位正电荷 | unit potential单位电势,单位电位
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This charge is a positive charge：这个电荷是正电荷
2. He was positive that he had seen it in the newspaper.他肯定他已在报纸上看... | 3. This charge is a positive charge.这个电荷是正电荷. | 4. There is positive proof that he did it.有确切的证据证明他做了...
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charge, positive：正电荷
charge, point 点电荷 | charge, positive 正电荷 | charge, quick 快速充电
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charge, positive：正电荷;阳电荷
点电荷 charge, point | 正电荷;阳电荷 charge, positive | 剩余电荷 charge, residual
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vitreous electricity：玻璃电荷,正电荷
gable slope 人字坡 | vitreous electricity 玻璃电荷,正电荷 | physical treatment 物理处理