The neutrons and protons form the core of the atom.
中子和质子构成了原子核。
The neutrons and protons form the core of the atom.
中子和质子构成了原子核。
The nucleus of an atom consists of neutrons, protons and other particles.
原子核由中子、质子和其他粒子构成。
Electrons are negatively charged with electricity,protons are positively charged.
电子是带负电
,质子是带正电
。
Antihydrogen formation in the laser-assisted positronium-antiproton collision is investigated in the first Born approximation.
一级玻恩近似下,研究了
激光辅助
电子偶素-反质子碰撞中
反氢合成。
An electron has a negative charge,a proton has a positive charge.
电子带负电
,质子带正电
。
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
内,完美地表现了质量和电
对称性。
Hydrogen transfer, protonization and formation of methene bridge are probablely the main reasons for the above structural characters.
氢转移、质子化、亚甲基桥
形成可能是导致这些结构特征
主要原因。
That achievement came at the Bevatron accelerator at Lawrence Berkeley National Laboratory, by smashing protons into a piece of copper.
美国劳伦斯柏克莱国家实验室
贝伐加速
(Bevatronaccelerator)
,
质子撞击铜片便可
办得到。
After they absorb energy, the nuclei release or reradiate this energy so that they return to their initial state of equilibrium.
之后,质子再次将能量释放
回到初始时
平衡状态。
The rearrangement of acetone oxime in the Beckmann solution involves three acetic acid molecules and one proton (present as an oxonium ion).
模拟表明,有三个乙酸分子和一个质子(
氧鎓
形式纯
)参与了反应。
With a systematic study on the effects of ionophores and ion channel on the photopotential signals, this paper verified ike nonproton ion translocation in Purple Membrane.
本文通过
介质中加入离子载体或离子通道剂对紫膜
光电响应信号进行了系统
研究。结果表明:上述光电位信号
差异主要是由紫膜
非质子离子
迁移引起
。
Methyl thioacetate was prepared by using acetyl chloride and methyl mercaptan as starting raw material in this paper.The yield of product is 69.3%.Itcan be used in seasoning flavor.
对可用于各种调味香精
食用香料硫代乙酸甲酯
合成进行了初步研究,产率达到693%,对所合成
产品做了红外光谱分析和质子核磁共振分析,确定了其化学结构。
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