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N-COUNT (组织的)核心,中心
The nucleus of a group of people or things is the small number of members which form the most important part of the group.
例句:
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N-COUNT (原子)核
The nucleus of an atom or cell is the central part of it.
例句:
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(physics 物)核;原子核
英文释义:
the part of an atom that contains most of its mass and that carries a positive electric charge
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(biology 生)细胞核
英文释义:
the central part of some cells, containing the genetic material
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核心;中心
英文释义:
the central part of sth around which other parts are located or collected
例句:
【不规则形式】复数名词 nuclei
the nucleus of a cell
细胞核《牛津高阶英汉双解词典》
Zones of loosely arranged euchromatin are located mainly in the center of the nucleus.
疏松的染色质区带主要位于细胞核的中心部.《辞典例句》
What you see is near the nucleus that the density is the strongest and that the dots are the closest together.
你看在核子附近,密度最强,这些点在一起最近。
What we do when we take an animal egg , is we remove nucleus egg.
当取一个动物卵细胞时, 我们要做的是从中移除细胞核.《期刊摘选》
What is the charge of the nucleus?
原子核的电荷量是多少?
We have a helium nucleus and one electron.
我们有一个氦核和一个电子。
We could conclude that culture and passage of donor cells might be benefit to nucleus reprogramming.
体外培养传代有利于体细胞核移植后重新编程.《期刊摘选》
We are talking about probability, but what we're saying is that most probable radius is further away from the nucleus.
我们讨论的是概率,但我们说的是最可能的半径,离原子核更远。
Unilateral microinjection of flurazepam in nucleus tractus so-litarius (NTS) depressed the average phrenic activity.
单侧微注射氟西泮可降低大鼠平均膈肌活动。
To the city government, land price is the nucleus quota evaluating the land utilization economic performance.
对城市政府来说, 衡量土地利用经济效益的核心指标是地价.《期刊摘选》
To real estate development trade, the nucleus quota is the profit of real estate commercial action.
对房地产开发商来说, 衡量土地利用经济效益的核心指标是房地产开发这种商业行为的利润.《期刊摘选》
To free electrons, something has to make them whirl fast enough to break away from their nuclei.
为了释放电子,必须使电子高速旋转而足以摆脱原子核的束缚。《汉英大词典》
Three band intersection model describing the high spin states of even-even nuclei
偶偶核高自旋态的三带交叉模型
Thomas-Fermi Statistical Model Theory for the Surface Energy of Hot Nuclei
热核表面能的Thomas-Fermi统计模型理论
This is the lithium nucleus plus electron.
这是锂原子核加上一个电子。
This is a long, thin cell with an elongated nucleus.
它又细又长, 有一个长梭形细胞核.《期刊摘选》
They have connections with cerebellum, cuneate nucleus, superior olivary nucleus and abducent nucleus.
它们与小脑,楔形核,上橄榄核和外展核有联系。
These young people formed the nucleus of the club.
这些年轻人成了俱乐部的核心.《简明英汉词典》
These paintings will form the nucleus of a new collection.
这些画将构成新的收藏系列的基础。《牛津词典》
These councils would form the nucleus of a future regime.
这些委员会将成为一个未来政权的核心.《辞典例句》
These 10,000 books will form the nucleus of the new school library.
这一万本书将构成该校新图书馆藏书的基础.《期刊摘选》
There was no blue stained nucleus at each time point Group B.
B组各时间点未见蓝染的细胞核.《期刊摘选》
There is a unity of the two opposites, the nucleus and the electrons.
有原子核和电子两个对立面的统一.《期刊摘选》
There is a nucleus at the center of an atom. Around this nucleus revolve electrons.
在原子中心有一个原子核, 环绕这个原子核旋转的是电子.《期刊摘选》
There are numerous amoeboid nuclei suspended in the organelle-rich cytoplasm.
在富含细胞器的细胞质中,有许多变形核。
Theoretically, modern advertising adapts itself to socialist nucleus value system.
从学理上讲, 现代广告应与社会主义核心价值体系相适应.《期刊摘选》
The supposed nucleus of the comet is the bright centre of the coma.
预想的彗核是明亮的慧发中心.《期刊摘选》
The result provided morphological foundation for ANP production and secretion in caudate nucleus and putamen.
实验结果为尾壳核产生分泌ANP提供了形态学依据.《期刊摘选》
The result indicates that there are reciprocal connections between the parabrachial nucleus and caudal portion of the dorsal vagal complex.
结果说明臂旁核和迷走神经背核簇尾侧部之间有交互联系。
The repulsive force within the nucleus is enormous.
核子内部的斥力是巨大的。《柯林斯高阶英汉双解学习词典》
The red blood cell of chickens has a nucleus.
鸡的红色血细胞有一个细胞核.《期刊摘选》
The purpose of this study was to research the effect of the electrical stimulation of the pedunculopontine nucleus
这项研究的目的是研究电刺激足小神经核的作用
The polar and egg nuclei of the female gametophyte are genetically identical.
雌配子体中的极核和卵核遗传上是同一的。
The phosphorylated SR protein moves into the nucleus then relocates to a nuclear speckle.
老磷酸化蛋白进入细胞核,然后迁至核斑纹。
The objective is to observe the expression of MMP-1and TIMP-1 in nucleus pulposus cells of intervertebral disc degeneration.
目的是测定 MMP-1 及 TIMP-1 在人退变椎间盘髓核中的表达。
The nutritive tissue that is derived from the nucleus and surrounds the embryo of the seed.
外胚乳包在种子胚芽外,产生于细胞核的''.'营养性'.''组织.《期刊摘选》
The nucleus possesses a center nucleolus with fibrillar centers, dense fibrillar component and granular component.
研究结果表明:细胞核具有中央核仁,核仁可以看到明显的纤维中心 、 致密纤维中心和颗粒结构.《期刊摘选》
The nucleus of this cell contains all the genes needed to produce a new sheep.
这个细胞的细胞核含有生产一只新绵羊的必需的基因.《期刊摘选》
The nucleus of the spheroidal graphite should be of spheroidal shape.
石墨球的核心应该是球形.《期刊摘选》
The nucleus of the bleached cell was unable to direct the synthesis of new chloroplasts.
这种漂白的细胞核不能直接合成新的叶绿体.《辞典例句》
The nucleus of light cells were larger than that of dark cells.
亮细胞和移行细胞的细胞核明显大于暗细胞。
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 nucleus might have a small rocky core.
彗核内可能有一个小的石质核心。
The nucleus is removed from the egg cell.
细胞核已经从卵细胞中移除。
The nucleus from sheep B and the egg cell from sheep A are joined using electricity.
从绵羊B中取出得细胞核与从绵羊A中取出得卵细胞用电流使之结合.《期刊摘选》
The nucleus and cytoplasm of the trophozoite was amaranth and blue respectively.
滋养体有紫红色的细胞核和蓝色的细胞质.《期刊摘选》
The nucleus accumbens is one of and it's also shown to be critical for experiencing pleasure.
大脑中心处的横沟就是结构之一,它也是人体验快感的结构.《期刊摘选》
The nuclei of larger sunspots sometimes undergo disintegration or splitting into several parts.
较大太阳黑子的核心有时会瓦解或分裂成好几个部分.《辞典例句》
The nuclei are round, and may be indented.
细胞核圆形, 也可呈锯齿状.《期刊摘选》
The mother and father form the nucleus, or center, of the nuclear family.
父亲和母亲形成核心家庭中的核心, 或者说是中心.《期刊摘选》
The most important part of the cell is the nucleus.
细胞中最重要的部分是细胞核.《辞典例句》
The idea is that this could potentially serve as the nucleus of a future conference publication.
这有可能成为作为将来会议出版物的核心.《期刊摘选》
The hypothesis of vortex dynamics is proposed for of excess heat and anomalous nucleus phenomena in.
自从高温超导体发现以来,涡旋动力学成为研究的中心问题,因为它是理解超导电性的重要关键之一.《期刊摘选》
The glands demonstrate loss of goblet cells and hyperchromatic nuclei with inflammatory atypia.
不典型炎症中腺体缺少杯状细胞和细胞核深染.《期刊摘选》
The free neutrons can bombard other nuclei, leading to a series of fissions a chain reaction.
自由中子可以轰击其它的核,导致一系列的裂变,称为链锁反应。
The fortress was the nucleus of the ancient city.
这城堡是这座古城的中心.《期刊摘选》
The first organelle to be identified was the nucleus.
第一个需要辩认的细胞器官是细胞核.《期刊摘选》
The first crystallized microstructure can be fined though the effect rare earth oxide on heterogeneity nucleus.
通过异质核心的作用,能够细化堆敷金属中的一次结晶组织.《期刊摘选》
The family is the nucleus of the community.
家庭是社会的核心.《辞典例句》
The electrons circle around the nucleus just as the moon travels around the earth.
电子围原子核转就象月亮围绕地球转一样.《期刊摘选》
The cytoplasm of TIL was little. The nucleus was round in shape.
电镜下,可见肿瘤浸润淋巴细胞核大,胞质少, 核较圆.《期刊摘选》
The corporate governance structure is the nucleus of the matter.
公司法人治理结构是公司中的核心问题.《期刊摘选》
The cells show fibroblast-like irregular appearance, many cytoplasm ecptoma, puff and large nucleus with obvious nucleoli.
细胞主要呈“成纤维样”,但体积较大、形状不规则、细胞质突起多,细胞核大而疏松,核仁明显。
The cells of the neoplasm have clear nuclei.
肿瘤细胞的细胞核清晰可见.《期刊摘选》
The cells lost its specialized cell surface elements such as microvilli andjunctionsThe nucleus and segregated.
结果细胞表面微绒毛消失,细胞接触松驰,细胞核缩小、碎裂、胞质空虚.《期刊摘选》
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.《期刊摘选》
The Implementation Method of Thread Control Component in the Embedded Real-time Operating System Nucleus
嵌入式实时操作系统Nucleus中线程控制部件的实现方法
The ENDOR spectrum of the phosphor shows the existance of Cu nuclei near F � � center.
磷光体的ENDOR谱显示F~0中心附近有铜核存在.《期刊摘选》
The Civic Movement could be the nucleus of a centrist party of the future.
公民运动的成员可能会成为未来中间派政党的核心。《辞典例句》
Systematic Study of Ground State Properties of Super Heavy Nuclei
对超重核基态性质的系统性研究
Study on test of electrode impedances of Nucleus ′ cochlear implant
Nucleus人工耳蜗电极阻抗测试的研究
So what is the charge on a helium nucleus?
那么氦原子核的电荷量是多少呢?
So the supervision of the solvency is the nucleus of the government insurance supervision.
因此,保险公司偿付能力监管是政府保险监管的核心内容.《期刊摘选》
Situated or occurring within the nucleus of atom or a cell.
在一个原子核内自然变化的现象.《期刊摘选》
See hollow Sang Dongli has earth occasionally, plum the nucleus is planted over, irrigated dot water.
偶见空心的桑洞里有泥土, 就把李核种在那里, 浇了点水.《期刊摘选》
Referenced criteria and further typing depend on growth pattern and ground glass nuclei characteristics.
参考指标和进一步分型靠肿瘤生长方式、毛玻璃样细胞核等特点.《期刊摘选》
Prominent nucleoli are seen in the nuclei of this prostatic adenocarcinoma, which is a characteristic feature.
细胞核中可见明显核仁是前列腺癌典型的特征.《期刊摘选》
Poseida was also the headquarters and nucleus of the crystalline power grid and interdimensional tunnel system.
波塞迪亚也是水晶能量网和内部空间(地下)隧道系统的总部和核心.《期刊摘选》
Pollution charge schedule ( PCS ) is the nucleus of the pollution levy system ( PLS ) of China.
排污 收费标准是中国 排污 收费制度的核心.《期刊摘选》
One large cell with very large nuclei is seen near the center.
靠近中心处可见一很具有很大胞核的大肿瘤细胞.《期刊摘选》
Once synthesized, the histones move into the cell nucleus, where a section of DNA wraps around them to form a structure that resembles beads, or knots, on a string.
一旦合成,组蛋白就会进入细胞核,细胞核内的 DNA 片段会将组蛋白包裹起来,形成一种类似串珠或绳结的结构。
Nucleus that projects spinal, vestibular, and reticular information to the cerebellum.
计画脊柱, 前庭, 和对小脑的网状讯息的核心.《期刊摘选》
Nuclei are at different levels.
细胞核高低不一.《期刊摘选》
Nuclear fusion works by the combining of atomic nuclei, which releases huge amounts of energy.
核聚变是通过原子核的合成而实现的,这种合成释放出巨大的能量。
Nicknamed the Southern Pinwheel, M83 is undergoing more rapid star formation than our own Milky Way galaxy, especially in its nucleus.
绰号“南方风车”的M83正在经历比我们银河系更快的恒星形成过程,特别是在它的核心。
Neutrons and protons are bound together in the nucleus of an atom.
在一个原子的核内,中子和质子聚合在一起。《柯林斯英汉双解大词典》
Most of the nuclei belong to fibroblasts.
大多数核为成纤维细胞核.《期刊摘选》
Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.
大多数连于芳核能被直接取代的基团仅限于重氮盐.《辞典例句》
Mistakenly, he believed that new cells formed by being budded off the nuclei.
但是, 他错误地认为子细胞核是从母细胞核中出芽产生的.《期刊摘选》
Matt Cummings and Liko Soules-Ono form the nucleus of the team.
马特·卡明斯和莱克·索尔斯-奥诺形成了这个团队的核心。《柯林斯英汉双解大词典》
Many people believe that the family is the nucleus of the community.
许多人认为家庭是社会的核心。
Magnificently built churches are still the nucleus of parochial work.
教区工作的核心依旧是建造宏伟的教堂.《期刊摘选》
Lovely children made up the nucleus of the nursery.
可爱的孩子们是托儿所的核心。
Largest of these is the nucleus.
这些小部件中最大就是细胞核.《期刊摘选》
It is the nucleus of the internalised Original Object.
是被内化了的原始客体的核心.《期刊摘选》
It is easily extracted, because it is one of a handful of genes found outside the cell nucleus, in structures called mitochondria.
它很容易提取,因为它是在细胞核之外、叫做线粒体的结构里被发现的少量基因之一。
It has a nucleus at the center charged positively.
中心有个带正电的原子核。
Inquiring about the function of searching also is the one of the systematic nucleus.
查询功能也是系统的核心之一.《期刊摘选》
Initial theories suggested a pathway from the retina to the suprachiasmatic nucleus.
初步理论表明视网膜至视交叉上核间有一通道.《期刊摘选》
In this condition, they are sometimes referred to collectively as the chromatin of the nucleus.
在这种情况下,人们有时笼统地称它们为核染色质。
In the knowledge economy society, knowledge is the nucleus and knowledge is the key.
知识经济社会,知识是核心,知识是关键。
In the center of the shell are tiny round green stars that burst as a teal peony at the firework's nucleus.
位于壳中部的是小型球形绿色星体,绽放时,在烟花核心形成凫蓝色牡丹图案。
In most mammals mature erythrocytes are biconcave disks that have no nuclei.
在多数哺乳动物中,成熟红细胞呈双凹面盘样,无细胞核.《期刊摘选》
Heavy water is heavy because the hydrogen in it weighs twice as much as ordinary hydrogen (it has a proton and a neutron in its nucleus, instead of just a proton).
重水之所以重是因为水中氢的重量是普通氢的两倍(它的原子核中有一个质子和一个中子,而不仅仅是一个质子)。
For example, in contemporary nucleus medicine of clinical demand drive below, isotropy technology received wide application.
核应用技术在国外已经形成大产业.例如, 在现代核医学临床需求的推动下, 同位素技术得到了广泛的应用.《期刊摘选》
Examination on the shell model of the nucleus I
原子核壳层模型的检验Ⅰ
Every atom consists of a relatively heavy central region or nucleus .
每一个原子含有一个比较重的中心区域,或者称为 “ 核 ”.《辞典例句》
Even though quarks cannot be isolated, physicists determined a way to see the quarks within nucleus.
尽管夸克不能被分离出来, 物理学家们提出了一个可以看见原子和内部的夸克的方法.《期刊摘选》
Estimators for the Mean Free Path in High Energy Nucleus& Nucleus Interactions
高能核&核作用中的平均自由程估计
Erythrocytes in mammals are anucleate when mature, meaning that they lack a cell nucleus.
哺乳动物中的红细胞成熟时是无核的,这意味着它们缺乏细胞核。
Enucleated cells are prepared by removing nuclei in the presence of the drug, cytochalasin B.
无核细胞是通过药物 、 细胞松驰素b把细胞核去掉制备的.《期刊摘选》
Enucleated cells are prepared by removing cell nuclei in the presence of the drug, cytochalasin B.
无核细胞是通过药物 、 细胞松驰素B把细胞核去掉制备的.《辞典例句》
Energy is released by the fission of atomic nuclei.
能量是由原子核分裂释放出来的。
Effects of Mn~ ( 2+) on Rat Liver Nuclei
锰对大鼠肝细胞核的作用的研究
Effect of fastigial nucleus pre stimulation on cerebral ischemia in rats
预刺激小脑顶核对脑缺血神经元凋亡的防治作用
Each atomic nucleus with a positively charged with negatively e electroscavenging and.
每一原子洋带侧电的原子核与其边际带输电的电子云洋和.《期刊摘选》
Disintegration of cytoplasm at stage of central nucleus microspore .22.
单核中央期小孢子细胞质开始解体.《期刊摘选》
Different p osition of nucleus decides different intonation and marks different focus in ora l communication.
在口头交际中调核的变化会影响语调的改变,从而达到凸显信息中心的目的.《期刊摘选》
Cohesiveness is the nucleus motive force of promoting unity behavior of a class.
班级团体凝聚力是班级团体行为的核心动力.《期刊摘选》
Caudate nucleus were segmented from these brain images and reconstructed with computer.
结果:获得三维空间图像,核团的境界、质心坐标值、体积和表面积.《期刊摘选》
But, I've got a nucleus with 11 protons in it.
但是我知道它的原子核中有11个质子。
Business culture gives the enterprise spiritual support to improve nucleus competitive power.
企业文化是提高企业核心竞争力的精神支持。
Big, irregular nucleus with multiple nucleoli could be seen in the cytoplasm by transmission electron microscopy.
电镜下周细胞核大 、 不规则、有切迹,可见多个核仁.《期刊摘选》
Autophagy kills by degrading those other organelles while sparing the nucleus.
自噬消化的是除胞核外的其他细胞器.《期刊摘选》
At the cell's centre is the nucleus with an enveloping nuclear membrane.
细胞的中心是细胞核,细胞核由细胞膜包裹.《期刊摘选》
As you can see, the galaxy has more than one nucleus!
正如你所看到的那样,这个星系拥有多个核心。
As the nucleus of Asia the development of his economic cooperation especially catch eyes.
东亚作为亚洲的核心,其经济合作的发展格外引人注目.《期刊摘选》
Apache Hadoop is the nucleus of the ecosystem.
Apache Hadoop是生态系统的核心。
Antigen of HCV distributed in the cytomembrane, cytoplasm and nucleus.
阳性信号主要分布于细胞膜 、 细胞浆及细胞核内.《期刊摘选》
All the electrons fall into the nucleus.
所有的电子会掉在核上面。
A view on the new creative Practice of the third leading nucleus
第三代领导集体的创新实践观&用发展着的马克思主义指导实践
A sperm is mostly a nucleus surrounded by little other cellular material.
精子的主要是一个细胞核和围绕该细胞核的少量其他细胞物质构成.《期刊摘选》
A process by which chromosomes replicate the division of the cell nucleus.
核分子分裂的发现是物理学上的一个新起点.《期刊摘选》
A nucleus that large cannot be stable, but it might be possible to assemble one next to a vacuum for long enough to observe the decay of the vacuum.
这么大的原子核不可能是稳定的,但在足够长的时间内,在真空附近组装一个原子核以观察真空的衰变是可能的。
A nucleus can have only one y-chromosome.
一个核可以仅有一个y染色体。
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。《柯林斯高阶英汉双解学习词典》
A laboratory study on the role of the Loess particles as natural ice nuclei
黄土高原尘沙作为大气冰核的实验研究
A cell usually contains one or more nuclei.
一个细胞通常有一个或多个细胞核.《期刊摘选》
2, cell nucleus and cytoplasm relation research;
细胞核与细胞质相互关系的研究;
the nucleus of people who started Private Eye magazine
创办《私家侦探》杂志的核心人物
You can start from one nucleus and go to the next nucleus, and there are no zero planes, no nodes, nothing.
你可以从一个核出发,看向另一个核,中间没有零平面,没有节点,什么也没有。固态化学导论课程节选 : 麻省理工公开课
With the nucleus of the family in shambles, the fabric of American society is unraveling one thread at a time.
CNN: Reduce poverty by promoting schools, families
With Nucleus, people can see their energy usage in real time through a PC or a smartphone application.
FORBES: Get yourself connected: GE at CES 2011
We cannot do anything about protons, they are buried in the nucleus, but we can add or subtract electrons.
我们不能改变质子,它们埋藏在原子核内,但是我们能够增加或减少电子。固态化学导论课程节选 : 麻省理工公开课
We can not do that with quantum mechanics, the more true picture is the best we can get to is talk about what the probability is of finding the electron at any given nucleus.
在量子力学里我们不这样做,我们能得到的更加真实的图像,是关于在某处,找到电子的概率。化学原理课程节选 : 麻省理工公开课
We are talking about probability, but what we're saying is that most probable radius is further away from the nucleus.
我们说的是概率,也就是说它的最可能半径,离原子核更远。化学原理课程节选 : 麻省理工公开课
We are expecting to see that it decreases because it's feeling a stronger pull, all the electrons are being pulled in closer to the nucleus, so that atomic size is going to get smaller.
我们将看到它是减小的,因为电子会感受到越来越强的吸引力,所有的电子将会被原子核拉得越来越近,所以原子半径将越来越小。化学原理课程节选 : 麻省理工公开课
Vitamin D works inside the cell nucleus as a basic building block to help turn genes on or off.
FORBES: Magazine Article
Unlike HIV, which lives in the nucleus of the cell, hep-C sets up shop outside the nucleus in the cytoplasm.
FORBES: The Next HIV?
This is just a first step for the Islanders, who have a good young nucleus with Tavares, Kyle Okposo and Josh Bailey.
WSJ: Islanders look to future after ouster vs. Pens
This extra inefficiency, peculiar to quantum mechanics, arises because the actual state of each nucleus is inherently uncertain.
ECONOMIST: The cost of forgetting
They had to figure out which of the nucleus' 4, 000 chemical reactions were tied to reproduction.
FORBES: Revving Up Nature's Engines
They disintegrated the atomic nucleus by bombardment with fast particles.
他们用高速粒子轰击原子核来使其发生裂变。
Then the nucleus of a cell taken from the body of the person to be cloned would be transferred into the shell.
CNN: 'Raelian' biochemist insists she will clone human
Then the nucleus of a cell taken from the body of the person to be cloned would be inserted into the shell.
CNN: Group says it will move human cloning work offshore
Their demon is another atomic nucleus, which interacts with the first as the demon would.
ECONOMIST: The cost of forgetting
The viruses in question were retroviruses, which work by adding their genes to those of their host's cell nucleus.
ECONOMIST: Gene therapy has been shown to work on cancer
The researchers found that the nucleus accumbens was also interacting with another region of the brain called the auditory cortical stores.
BBC: New music 'rewarding for the brain'
The nucleus of that group is the 70 scientists acquired when Pfizer bought Rinat, a biotech aimed at Alzheimer's.
FORBES: Magazine Article
The nucleus disintegrated.
原子核裂变了。
The nucleus contains rope-like strands of DNA that carry the information.
VOA : special.2010.03.23
The lateral nucleus communicates with a part of the brain that controls perception.
NPR: New Autism Study Shows Discrepancy in Brains
The human cell nucleus contains 23 pairs of chromosomes, which carry genetic information necessary for developing and running the body correctly.
BBC: NEWS | Health | Gene fault increases leprosy risk
The Civic Movement could be the nucleus of a centrist party of the future.
公民运动参加者可能会成为未来中间派政党的骨干。
Some of that technology has ended up as the nucleus of new companies.
FORBES: Yes, there is a pulse
So, what you see is near the nucleus, the density is the strongest, the dots are closest together.
你看在核子附近,密度非常高,这些点非常密。化学原理课程节选 : 麻省理工公开课
So, what we're looking at here is the force when we have two charged particles, one positive one negative -- here, the nucleus and an electron.
我们现在研究的是,一正一负俩个带电粒子之间的,作用力-在这里。化学原理课程节选 : 麻省理工公开课
So, if I kind of circle where the probability gets somewhat substantial here, you can see we're much closer to the nucleus at the s orbital than we are for the p, then when we are for the d.
我把概率,很大的地方圈出来,你们可以看到在s轨道上,比p轨道更接近原子核,最远是d轨道。化学原理课程节选 : 麻省理工公开课
So what this means is that unlike s orbitals, they don't have the exact same shape at any radius from the nucleus.
这意味着和s轨道不同,它们在离原子核不同距离处的形状不是完全一样的。化学原理课程节选 : 麻省理工公开课
So the probability of having an electron at the nucleus in terms of probability per volume is very, very high.
在单位体积内发现,一个电子的概率非常非常大。化学原理课程节选 : 麻省理工公开课
So if you think of a shell, you can actually just think of an egg shell, that's probably the easiest way to think of it, where the yolk, if you really maybe make it a lot smaller might be the nucleus.
可以把它想成,个蛋壳,这也许是,最简单的思考办法,蛋黄如果,缩小非常多倍的话,就可以想象成核子。化学原理课程节选 : 麻省理工公开课
So if you have some charge in the nucleus, but you also have repulsion with another electron, the net attractive charge that a given electron going to feel is actually less than that total charge in the nucleus.
所以如果在原子核中,有一些电荷但是你也有来自,另一个电子的排斥力,那么一个给定电子的,吸引电荷感觉到的事实上,小于原子核中的总电荷。化学原理课程节选 : 麻省理工公开课
So I will take into account it that there is some contribution of both the nucleus and the electron.
所以我将考虑,那是原子核与电子,共同作用的结果。固态化学导论课程节选 : 麻省理工公开课
Radioactivity is measured in Becquerels, which convey the disintegration of an atomic nucleus per second.
FORBES: Major Milestones Passed At The Fukushima Daiichi Nuclear Power Plant
One of the most obvious things about a red blood cell is it doesn't have nucleus, it has no nucleus.
红细胞最为明显的不同就是,它是无核的,它没有细胞核生物医学工程探索课程节选 : 耶鲁公开课
Nuclear-pore complexes are elaborate protein scaffolds that sit in the membrane around a cell's nucleus.
ECONOMIST: Cell biology: The secret of the vaults | The
Mice bred without dopamine receptors in the nucleus accumbens quickly starve themselves to death.
FORBES: Health
Many steroid hormones act because they bind to cellulars - to receptors that are deep within the cell, often inside the nucleus.
许多类固醇激素能够起效是因为,其与存在于细胞内部的受体相结合,这类受体通常在细胞核内生物医学工程探索课程节选 : 耶鲁公开课
Lead, being heavier than tin, has more protons in its nucleus (82, against tin's 50).
ECONOMIST: Einstein and car batteries
It was a classical model, right, so we could say the electron is exactly this far away from the nucleus.
这是个经典模型,对吧,我们说电子离,原子核就是这么远。化学原理课程节选 : 麻省理工公开课
Ironclad treaties have been the nucleus that has stabilized the world economy for decades.
FORBES: The Echo Of Eternity - Decisions Made Involving The European Debt Crisis With Eternal Consequences
In fact, their bees are so healthy that Australian beekeepers export queen bees and nucleus hives to countries with declining populations.
FORBES: Bee-ing Smart: Regulators Must Distinguish Activists' Bad Dreams From Good Evidence
If, in fact, a gold nucleus was this size here, we would need to use another lecture hall in order to find a place to put this nucleus right here.
那么这个实验就太诡异了,所以我们决定,把距离压缩一下,我们要考虑到这一点。化学原理课程节选 : 麻省理工公开课
If dark matter particles exist, scientists say, they should be able to observe a small amount of light given off when they hit the nucleus of a xenon atom.
VOA : special.2009.07.21
I said what hold the bonds together, what holds two atoms together is the attractive force we have between each electron and the other nucleus.
我说过什么将它们结合在一起,将两个原子结合在一起的是一个吸引力,其中一个原子中的电子与另一个原子中的原子核之间。化学原理课程节选 : 麻省理工公开课
How far you are away from the nucleus in terms of a radius, they don't depend at all on those two angles, theta they're independent of theta phi and they're independent of phi.
只和离核子的距离,也就是半径有关,它们和,另外两个角度无关,它们不决定于,也不决定于。化学原理课程节选 : 麻省理工公开课
His method involves inserting the nucleus from an egg with faulty mitochondria into a donor egg that has had its nucleus removed.
FORBES: UK May Be Close To Approving Nuclear Transfer Technique for IVF
For example, military trucks now in large supply could provide the nucleus for an entrepreneurial distribution system.
CENTERFORSECURITYPOLICY: Center for Security Policy | Its Time For Change: The West Cant Afford Any More German Leadership On East-West Ties
For example, military trucks -- now in large supply -- could provide the nucleus for an entrepreneurial distribution system.
CENTERFORSECURITYPOLICY: Center For Security Policy
For a nucleus to spin at all, the total number of protons and neutrons it contains must be odd.
ECONOMIST: Medical imaging
But what's important is not where that most probable radius is when we're talking about the z effective it feels, what's more important is how close the electron actually can get the nucleus.
但重要的不是,最可能半径,当我们谈论它感到的有效电荷量的时候,更重要的是,电子实际上。化学原理课程节选 : 麻省理工公开课
But this choice is random not because the measurement is shabby but because of the inherent uncertainty in the state of the nucleus.
ECONOMIST: The cost of forgetting
But luckily for us, there's a classical equation of motion that will, in fact, describe how the electron and nucleus change position or change their radius as a function of time.
但幸运的是,有一个,经典方程描述了电子和核子,位置或者它们直接的距离是,如何随时间变化的。化学原理课程节选 : 麻省理工公开课
Because what it tells is that we can figure out exactly what the radius of an electron and a nucleus are in a hydrogen atom.
我们可以,准确的算出,氢原子中,电子。化学原理课程节选 : 麻省理工公开课
Because we know as we go to infinity, even though the density gets smaller and smaller and smaller, we still have electron density very far away from the nucleus.
因为我们知道即使到了无穷远处,尽管电子密度会变得非常非常非常小,但我们仍然有一定的电子密度,无论离原子核多远。化学原理课程节选 : 麻省理工公开课
And when we do that we can see this curve, this probability curve, where we have a maximum probability of finding the electron this far away from the nucleus.
当我们这样做时,我们可以看到这个曲线,这个概率分布曲线,这里有发现,电子的最大概率。化学原理课程节选 : 麻省理工公开课
And then the potential energy, the energy is stored here due to the coulombic force of attraction between the electron and the nucleus.
然后说势能,位能其实就是,由电子和原子核之间的库仑引力而形成的能量。固态化学导论课程节选 : 麻省理工公开课
And the way that we'll do this is starting with talking about the discovery of the electron and the nucleus here.
在这之后,我们就可以通过,经典力学来描述一个原子。化学原理课程节选 : 麻省理工公开课
And the reason that they're the least sheilded is because they can get closest to the nucleus, so we can think of them as not getting blocked by a bunch of other electron, because there's some probability that they can actually work their way all the way in to the nucleus.
它们最不容易被屏蔽的原因,是因为他们可以更加接近原子,所以我们可以认为它们,最不容易被其它原子阻挡住,因为它们有一定的概率,离原子核非常近。化学原理课程节选 : 麻省理工公开课
Although the transplanted nucleus enters the egg properly imprinted, reprogramming messes this up.
ECONOMIST: Cloning around
A neutron is simply a neutral particle in the nucleus of an atom.
简单说,中子就是原子核内一种不带电粒子。
"It's been important to keep the nucleus as even to replace the few we have lost is a big ask, " he said.
BBC: Histon boss rules out more exits
"All genes are encoded by DNA and the DNA is present in the chromosomes in the cell nucleus and telomeres, they are the ends of the chromosomes and they have an important function to protect the chromosomes and maintain the integrity of the chromosomes."
VOA : special.2009.10.07
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视交叉上核
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中缝核
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室旁核;脑室壁核
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髓核
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成核 ; 核生成 ; 核组成 ; 核生成作用
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核力
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疑核 ; 对疑核
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外侧膝状体核
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栓状核 ; 栓子状核 ; 栓状核
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齿状核 ; 齿状核 ; 小脑齿状核
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晶核
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细胞核
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[医]尾状核
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n. [化]原子核
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弓状核;弧形核
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杏仁核;扁桃状核;杏仁巢
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尾状核 ; 尾核 ; 尾巢 ; 尾头核