atom是什么意思   atom怎么读

英式:[ˈætəm]    美式:[ˈætəm]

CET4、TEM4、考 研、TOEFL、CET6

atom单词基本解析:

n.原子
n.原子, 微粒
n.原子;原子能;微粒,微量;

atom变化用词:

复数:atoms;

复数:atoms

atom英英释义:

Noun

1. (physics and chemistry) the smallest component of an element having the chemical properties of the element

2. (nontechnical usage) a tiny piece of anything

名词 atom:

(physics and chemistry) the smallest component of an element having the chemical properties of the element

(nontechnical usage) a tiny piece of anything

同义词:molecule, particle, corpuscle, mote, speck

atom[ 'ætəm ]n.(physics and chemistry) the smallest component of an element having the chemical properties of the element(nontechnical usage) a tiny piece of anything

同义词:moleculeparticlecorpusclemotespeck

atom中文词源:

atom用法和例句:

the splitting of the atom

原子的分裂


Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.

两个氢原子和一个氧原子结合组成一个水分子。


A methane molecule is composed of one carbon atom attached to four hydrogens.

甲烷分子由1个碳原子与4个氢原子构成。

The neutrons and protons form the core of the atom.

中子和质子构成了原子核.

《简明英汉词典》

Alcohol: Organic compounds characterized by a hydroxyl group ( OH ) bonded to a carbon atom.

醇 ( 酒精 ): 是有机化合物.它是一个氢氧团和碳原子的结合.


That cannot get up an atom of sympathy for them.

那并不能激发起人们对他们的丝毫同情.


We hadn't an atom of food.

我们没有一点食物了.

《简明英汉词典》

Matches the previous atom zero or one times, while consuming as little input as possible.

匹配前面的原子零次或一次, 但尽可能少地消耗输入.


It'said the implosion had the power of the atom bomb the US dropped on Nagasaki.

据说,此次核试验的爆炸力相当于美国在长崎投放的力量.


They exploded an atom bomb.

他们爆炸一颗原子弹.

辞典例句

The particles expelled when the atom explodes are protons, alpha rays or neutrons.

原子爆炸时排出的粒子是质子 、 a射线或中子.


For many years the atom was believed to be indivisible.

在过去有很多年原子一直被认为是不可分割的.

《简明英汉词典》

The hydrogen atom is lighter and simpler than the atoms of any other elements.

氢原子较之其他任何元素的原子的重量都轻,结构都简单.


It makes no sense at all to speak of a stationary electron in an atom.

谁要说原子内有一个静止的电子,那是毫无意义的.

辞典例句

Methods : The atom absorbing spectrum method atom atomic fluorescence spectrometry method were used.

建立了荧光分光光度法测定血清中西诺沙星浓度的方法.


There is not an atom of truth in the rumor.

那谢意毫无真实性.


When an atom of U 235 is split, several neutrons are set free.

一个铀235原子分裂时, 释放出几个中子.

《简明英汉词典》

Hydroformylation of the olefinic atom economic method th introduce new functional group in the oil compounds.

而通过双键的氢甲酰化反应引入新官能团能为油脂的化工利用提供了一条广阔的道路.


The positive charge in the atom is spread over the whole atomic volume.

原子中的正电荷分布在整个原子体积上.

辞典例句

There's not an atom of truth in what he said.

他所说的没有一点是真话.

《现代英汉综合大词典》

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.

《简明英汉词典》

The power of the atom can be used to produce electricity.

原子能可以用来发电.

《现代汉英综合大词典》

A molecule of water is made up of two atoms of hygrogen and one atom of oxygen.

一个水分子是由两个氢原子和一个氧原子构成的.

《现代英汉综合大词典》

The power of the atom will become still better as time goes by.

随着时间的推移,原子动力的利用还会变得更好.

《简明英汉词典》

He could not get up an atom of sympathy for her.

他对她激不出一点同情心.

《简明英汉词典》

the splitting of the atom

原子的分裂

《牛津高阶英汉双解词典》

A molecule of water consists of two atoms of hydrogen and one atom of oxygen.

水分子由两个氢原子和一个氧原子构成。

《牛津高阶英汉双解词典》

A neutron is simply a neutral particle in the nucleus of an atom.

中子就是原子核里不带电的粒子。

柯林斯例句

He patented the idea that the atom could be split.

他获得了“原子可以再分”这一概念的专利权。

柯林斯例句

atom


The compound of above of 10 carbon atom calls polysaccharide.

10个碳原子以上的化合物叫多糖。


N8 atom could form H-bond to the acceptor as a free base.

N8原子可能以游离碱形式与受体发生氢键作用.


An incident electron can knock an inner-shell electron out of a target atom.

一个入射电子能把靶子原子的内层电子撞出来。


A molecule is a thousand times bigger than an atom of hydrogen.

一个分子比一个氢原子大一千倍。


An orbiting electron in an atom will have a magnetic dipole moment.

一个原子中旋转的电子会有磁偶极距。


Each electron in an atom must have a different set of quantum numbers.

一个原子中,各电子必定有一套各不相同的量子数。


An atom has two parts, the nucleus and the electrons.

一个原子分两部分,一部分叫原子核,一部分叫电子。


An atom contains a tiny heavy nucleus.

一个原子含有一个微小而重的核。


A nucleus and the electrons whirling around it make up an atom.

一个原子核及围绕它旋转的电子组成一个原子。


Many properties of an atom are determined by the outermost electrons.

一个原子的许多性质都是由其最外层的电子所确定的。


One atom of oxygen is linked to the nitrogen atom by a double bond.

一个氧原子以双键与氮原子相连。


Being combined with two hydrogen atoms, one oxygen atom may form a molecule of water.

一个氧原子同两个氢原子化合,可以形成一个水分子。


An arsenic atom can take the place of a germanium atom in the lattice.

一个砷原子能取代点阵子中的锗原子.


A high-energy electron which penetrates into the metal atom may dislodge one of the inner electrons of that atom.

一个穿入金属原子的高能电子可以逐出该金属原子的一个内层电子。


A normally occupied lattice site from which an atom or ion is missing.

一个缺失原子或离子的晶格节点位置。


One proton is almost as heavy as an entire atom of hydrogen.

一个质子几乎与整个氢原子的重量相等。


When an atom of U235 is split,several neutrons are set free.

一个铀235原子分裂时,释放出几个中子。


An atom or a radical with a valence of1.

一价原子或一价基


An atom or a radical with a valence of 1.

一价原子或一价基。


Having one replaceable atom or radical.

一元的有一个可置换原子或原子团的


An acid having one replaceable hydrogen atom.

一元酸只有一个可置换氢原子的酸


Once an atom is ionized, it remains charged until it meets an electron.

一旦一个原子被电离,它就保持带电直到它遇到一个电子时为止。


An oxide with each molecule containing one oxygen atom.

一氧化物每一分子含有一个氧原子的氧化物


There is not an atom of water.

一滴水都没有。


The atom of one element is different from those of all other elements.

一种元素的原子与所有其它元素的原子是不同的。


No matter what substance it may be, it is made up of atom.

不管这是什么物质,都由原子构成。


Two atom of hydrogen combine with one atom of oxygen to form a molecule of water.

两个氢原子和一个氧原子结合而形成一个水分子。


Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.

两个氢原子和一个氧原子结合而成一个水分子。


The neutrons and protons form the core of the atom.

中子和质子构成了原子核。


Subatomic physics deals with all entities smaller than the atom.

亚原子物理学研究一切小于原子的客体。


Joint Research Center for Atom Technology, JRCAT.

从事原子分子极限操作技术的研究。


He couldn't produce an atom of evidence.

他一点证据也拿不出。


He has made scientific researches on atom for ton years.

他从事原子科学研究已十年了。


He could not get up an atom of sympathy for her.

他对她激不出一点同情心。


There is not an atom of truth is what he said.

他所说的没有一句是真话。


There's not an atom of truth in what he said.

他所说的没有一点是真话。


He applied the concept of quantization of energy to the hydrogen atom.

他把能量量子化的概念用于氢原子。


There is not an atom of truth in his allegations.

他的说法没有丝毫真实性。


No atom behaves precisely like a classical harmonic oscillator.

任何一个原子的性能都不会同经典谐振子完全相同。


The atom of any element is pictured as resembling the solar system.

任何元素的原子都可以想象成与太阳系相似。


As being known to all,the world is made up of small particle called atom.

众所周知,世界是由叫做原子的小微粒组成的。


As been known to all,the world is made up of small particle called atom.

众所周知,世界是由叫做原子的小微粒组成的。


A set of eight valence electrons in an atom or ion, forming a stable configuration.

八重态在一个原子或离子中,形成稳定组态的一组八个化合价电子


The number of electron pairs an atom can share with other atoms.

共用电子对数,共价一个原子与其他原子共用的电子的对数


The combining capacity of an atom or a radical determined by the number of electrons that it will lose, add, or share when it reacts with other atoms.

化合价,原子价原子或原子团与其它原子反映时由所失、增加成共享的电子数目决定的化合能力


Half an atom is an impossibility.

半个原子是不可能的事。


The schroedinger equation for the one-electron atom is exactly soluble.

单电子原子的薛定谔方程是可精确求解的。


Atom: simplest form of an element that retains the properties of that element.

原子:一个元素的最简形式,拥有那个元素的属性。


When an atom shoots out a photon of light, it recoils like a gun.

原子发出光子时,会象枪一样地反冲。


An atom contains small particles carrying two kinds of electricity.

原子含有带有两种电的微粒。


An atom normally contains equal numbers of electrons and protons.

原子在正常情况下含有数目相等的电子和质子。


An atom is so small that we can't see it with a microscope.

原子太小,即使用显微镜也看不见它。


Atom is too small to be seen.

原子小得看不见。


Atom number eight is called oxygen.

原子序数为8的物质叫做氧。


An atom is the smallest indivisible unit of matter.

原子是最小的不可分割的物质单位。


An atom is the smallest indivisible particle of matter.

原子是最小的不可分的物质微粒。


The atom is made up of a nucleus with negative electrons revolving around it.

原子是由原子核和绕核旋转的若干负电子组成。


The atom has a central part called nucleus. Circling the nucleus are electrons.

原子有一个中心部分,称为原子核。环绕原子核运动的是电子。


There is a stable ground state of the atom.

原子有一个稳定的基态。


Existing or acting outside the nucleus of an atom.

原子核外的出现或行动于原子核外的


A nucleus is about one billionth the size of an atom.

原子核的体积大约是原子的一万亿分之一。


A nucleus is about one thousand billionth the size of an atom.

原子核的体积大约是原子的一千兆分之一。


The Atom whirls alone, the epitome of singleness.

原子独自旋转,典型的单一性缩影。


At the centre of an atom is a nucleus, around which electrons revolve .

原子的中央是原子核,电子绕着它旋转。


The magnetic field of an atom is usually dominated by the electrons.

原子的磁场通常由电子决定。


This splitting of an atom had not been observed before.

原子的这种分裂在过去没发现过。


The power of the atom can be used to produce electricity.

原子能可以用来发电。


Atom energy is large of powerful energy existing!

原子能是现存的最大的能源.


Small as they are, atom is made up of still smaller unit know as subatomic particle.

原子虽小,但它们是由更小的称为亚原子粒的单位组成的。


Atom: a reference to a character string in an atom table.

原子表中的一个字符串。


An atom is so small that we cannot see it.

原子这样小,以至我们看不见它。


Electron in an atom move round the nucleus the way the planet move round the sun.

原子里的电子围绕着原子核转就像行星围绕着太阳转一样。


The particles in an atom are infinitely small.

原子里的粒子极小。


An atom composed of antiparticles.

反原子由反粒子构成的原子


The atom that contributes no electrons to a covalent bond.

受体没有给共价键提供电子的原子。


PUPU can split the atom with his bare hands.

噗噗可以徒手劈开原子。


Therefore the whole atom is neither positive nor negative.

因此,整个原子,既不带正电,也不带负电。


The atom remaining must be the same in the two cases.

在两种情况下,保留下来的应当是同一个原子。


In any atom, not more than two electrons can occupy any given quantum state.

在任一原子中,不可能有两个以上的电子占据任一给定的量子态。


The atom has a nucleus at its core.

在原子的中心有一个原于核。

用作名词(n.)

Scientists have unlocked the secret of the atom.
科学家已经揭开了原子的秘密。

A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
水分子含有两个氢原子和一个氧原子。

The atom bomb is the offspring of the 20th century physics.
原子弹是20世纪物理学的产物。

That cannot get up an atom of sympathy for them.
那并不能激发起人们对他们的丝毫同情。

There isn't an atom of truth in the rumour.
谣言中没有丝毫的真实性。