nuclei

TOEFL

英[\'nju:kl?a?]
美[?nukli?a?, ?nju-]

基本釋義

n.
核,核心,原子核(nucleus的復(fù)數(shù)形); (原子)核( nucleus的名詞復(fù)數(shù) ); 中心,核心

實(shí)用例句

Much of what we know about nuclei comes through scattering experiments.

我們現(xiàn)在對原子核的許多認(rèn)識來自散射實(shí)驗(yàn).

辭典例句

The electron clouds are clearly visible as blurs surrounding the invisible nuclei.

電子云就象環(huán)繞著看不見的核的一片云霧.

辭典例句

There are numerous amoeboid nuclei suspended in the organelle - rich cytoplasm.

在富含細(xì)胞器的細(xì)胞質(zhì)中,有許多變形核.

辭典例句

It is possible to transplant chromosomes in cell nuclei.

移植細(xì)胞核內(nèi)的染色體是可能的.

辭典例句

The chalazal parts of the endosperm containing free nuclei forms several lobes.

包含游離核的合點(diǎn)端胚乳部分形成幾個裂片.

辭典例句

Collectively , these two constituents of nuclei are known as nucleons.

這兩種原子核的組分統(tǒng)稱核子.

辭典例句

As neutrons pass through matter, they make occasional elastic collisions with nuclei.

當(dāng)中子穿過物質(zhì)時, 偶爾與核發(fā)生彈性碰撞.

辭典例句

Embryo has most commonly eitht genetically identical haploid nuclei.

胚囊,普通具有8個遺傳上相同的單倍體核.

辭典例句

Hyphae with nuclei of different genotypes can fuse to form a heterokaryon.

當(dāng)含有兩種不同基因型的菌絲融合在一起時,可以形成異核體.

辭典例句

That is, all nuclei have approximately the same density.

就是說, 所有原子核都幾乎有相同的密度.

辭典例句

We get a buildup of electronic probability density between the nuclei.

我們得到在兩個核間的電子幾率密度的堆積.

辭典例句

The polar and egg nuclei of the female gametophyte are genetically identical.

雌配子體中的極核和卵核遺傳上是同一的.

辭典例句

Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.

α粒子是從天然放射性蛻變得到的帶正電的氦核.

辭典例句

In this process the nucleus breaks up into two intermediate - sized nuclei.

在這種過程中,那個原子核分裂成兩個中等大小的核.

辭典例句

Normally, nuclei are not completely isolated.

通常, 原子核并不是完全孤立的.

辭典例句

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