Electrons in atoms are visualized as diffuse clouds surrounding the nucleus.

As these electrons are negatively charged they will attempt to repel each other.

因为这些电子都是带负电荷的，它们会互相排斥。

《柯林斯高阶英汉双解学习词典》

They use it to split water into hydrogen ions, electrons and oxygen.

在光合作用中，植物将水分解为氢离子、电子和氧。

词典精选例句

The direction of the current was decided before electrons were discovered.

电流的方向在发现电子之前便已确定.

英汉非文学 - 科技

Generators use magnetism in producing a flow of electricity ( or electrons ).

发电机利用磁性产生电 ( 或电子 ) 流.

词典精选例句

Electrons are negatively charged with electricity.

电子带负电荷.

《现代英汉综合大词典》

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.

《简明英汉词典》

Protons are nearly 2000 times as heavy as electrons.

质子的质量几乎是电子的2,000倍。

《柯林斯高阶英汉双解学习词典》

The silk, having lost some electrons, has a surplus of positive electricity.

在钢笔失去一些正电之后, 丝绸上则产生了一些多余的正电.

英汉非文学 - 科技

Highly reactive and delocalized electrons would react with photons.

高度活性和非定域的电子应该能够与光子起反应.

词典精选例句

Regeneration of electroless Ni bath by electroosmosis was tentatively investigated through static electroosmosis experiment.

通过静态电渗析实验,初步研究了电渗析法对化学镀镍液的再生.

互联网摘选

Synthesis of the substance from aniline and hexafluoroacetone involves electrophilic addition, acylation and reduction.

其合成一般是以苯胺和六氟丙酮为起始原料,经过亲电加成 、 酰化和还原三步反应.

互联网摘选

The carbon is electrophilic centre.

碳是亲电的中心.

词典精选例句

METHOD Two-dimensional electrophoresis is a key protein separation technology in proteomics research.

双向电泳技术是蛋白质组研究中比较常用的一种蛋白质分离技术.

互联网摘选

Acute toxicity test , mutation test and single-cell gel electrophoresis ( SCGE ) were used.

了解三氯 乙醛 的毒性和致突变作用.

互联网摘选

Choose anode or cathode electrophoresis according to the electrophoresis process and coating.

2根据电泳工艺及涂膜性不同,选择阴极电泳或阳极电泳.

互联网摘选

Objective : To identify three groups of traditionaldrugs by electrophoresis finger-prints.

目的: 利用电泳指纹图谱鉴别二组中药.

互联网摘选

Two-dimensional electrophoresis is now the key technique in proteome research.

双向 电泳技术在蛋白质组学研究领域中处于核心地位.

互联网摘选

Electrophoresis is a technique that separates macromolecules according to their net electrical charge and shape.

电泳是根据分子的静电荷和形状分离大分子的技术.

词典精选例句

Results Among 42 cases electrophoresis indicated 27 glomerular proteinuria; 15 mixed proteinuria.

结果42例中27例为肾小球性蛋白尿, 15例为混合性蛋白尿.

互联网摘选

Cell morphology and DNA gel electrophoresis were used to observe the apoptosis.

细胞形态学变化和DNA凝胶电泳观察细胞凋亡现象.

互联网摘选