neutrons
美 [?nu?trɑn] 
英 [?nju?tr?n]
- n.【物】中子
- 網(wǎng)絡(luò)中子流；銠中子；銀中子
詞形變化
復(fù)數(shù)：neutrons
英漢解釋
英英解釋
例句
So this identifies a number of thermal neutrons absorbed in control rods and water and that's sort of the thermal utilisation.
所以，這個確認(rèn)了很多的吸收的熱量中子，在控制棒和水里，那差不多是熱能使用。
The shortage of neutrons in U-235 seems to give its atoms a strange sort of instability.
在U-235中缺少中子似乎給予U-235原子一種奇異的不穩(wěn)定性。
To make sure the power plant does not overheat, control rods made of a material that absorbs neutrons are lowered into the reactor.
為了確保發(fā)電站不會過熱，人們將使用吸收中子的材料制作的控制棒放進反應(yīng)堆下面。
Too many neutrons can cause a fission reaction to get out of control. Too few neutrons and a fission reaction stops.
中子過多會讓裂變反應(yīng)失控，中子過少則會讓裂變反應(yīng)停止。
The lower energy neutrons are used for precise experiments on gravity and to understand the properties of neutrons themselves.
低能量的中子用在引力的精確測試中以及用來了解中子其本身的特質(zhì)。
For a fusion plant to generate its own tritium, it has to borrow some of the neutrons that would otherwise be used for energy.
對聚變反應(yīng)核電站來說，要想產(chǎn)生它所需的氚，它必須利用部分高能中子。
The total mass of an atom is determined very nearly by the total number of protons and neutrons in its nucleus.
一個原子的總重量可以近似取決于這個原子核中的質(zhì)子數(shù)和中子數(shù)之和。
Alternatively, a means might be found to put the neutrons from pure deuterium fusion to good use.
作為可替代的一種方法也許被創(chuàng)建用于從單純的氘聚變中取得中子為了有效的使用。
The process stripped protons and neutrons from the bismuth atoms, lowering the atoms' weight to that of gold atoms.
嬗變過程是從鉍原子中剝離出質(zhì)子和中子，把鉍原子重量降成金原子水平。
Reaction, the nuclei of the fissile material after absorbing a neutron fission and release two or three neutrons.
反應(yīng)中，可裂變物的原子核吸收一個中子后發(fā)生裂變并釋放出兩三個中子。
In an ordinary atom the number of protons is the same as that of electrons . Clustered together with these protons are neutrons.
在普通原子里，質(zhì)子數(shù)和電子數(shù)相等，與這些質(zhì)子擠在一起的是中子。
The researchers used fast neutrons to irradiate mouse embryos between the blastocyst stage and the beginning of somite formation.
研究人員用快中子照射在胚泡期和體節(jié)形成開始之間的小鼠胚胎。
Neutrons, being electrically neutral particles , do not produce ionization or excitation directly in their passage through matter .
中子是中性不帶電的粒子，當(dāng)它通過物體時并不直接產(chǎn)生電離或激發(fā)作用。
The nucleus of an atom is composed of at least two types of particles---neutrons and protons.
原子核至少由兩種粒子組成―中子和質(zhì)子。
Elements consist of atoms that consist of a nucleus of positive protons, neutral neutrons, and a shell of electrons.
組成元素的原子是由帶正電的質(zhì)子，中性的中子組成的原子核以及核外電子組成的。
So they were baby neutrons, which were the only other neutral particles at the time that were known.
綜上，中微子就是極小的中子，是它被發(fā)現(xiàn)以來除中子外唯一的中性粒子。
But the electrically neutral neutrons escape to the walls of the vessel where the energy they carry can be used to generate power.
但是不帶電的中子跑到容器壁上，所攜帶的能量就可用于發(fā)電。
The control rods soak up the neutrons that mediate the chain reaction which produces most of a reactor's energy, shutting it down.
控制棒會吸收路子減慢鏈?zhǔn)椒磻?yīng)，降低核反應(yīng)的能量釋放，進而關(guān)掉反應(yīng)堆。
The measurement is complicated by the presence of a component due to fast and high-energy neutrons of extraterrestrial origin.
測量由于地球外部產(chǎn)生的快速高能中子而變得復(fù)雜化了。
Although all nuclei of a given element contain the same number of protons, they may have different numbers of neutrons.
雖然，給定元素的所有原子核都含有相同數(shù)目的質(zhì)子，但它們的中子數(shù)可以不同。
The shortage of neutrons in U-235 seems to give its atoms a strange sort of instability.
在U-235中缺少中子似乎給予U-235原子一種奇異的不穩(wěn)定性。
Although all nuclei of a given element contain the same number of protons, they may have different numbers of neutrons.
雖然，給定元素的所有原子核都含有相同數(shù)目的質(zhì)子，但它們的中子數(shù)可以不同。
A rudimentary description of a nucleus consists in specifying the number of protons and neutrons it contains.
對某個原子核的初步描述，在于確定它所含的質(zhì)子和中子的數(shù)目。
Further, both gamma rays and neutrons can produce harmful effects in living organisms.
此外，r射線和中子都能損害生物組織。
This conclusion is consistent with the idea that all atomic nuclear are built wholly of neutrons and protons.
這個結(jié)論與如下的思想是一致的：所有的原子核全部由中子和質(zhì)子組成。
Uranium analysis by the emission of delayed neutrons, following fission of U235, has been described by Amiel.
阿密爾論述了應(yīng)用U235裂變后產(chǎn)生的緩發(fā)中子流分析鈾的方法。
In addition, somewhat less than 1 percent of the fission neutrons, called the "delayed" neutrons, are emitted subsequently.
此外，還有一些約少于1%的叫做“緩發(fā)”中子的裂變中子，隨后被發(fā)射出來。
Today, accelerators producing X-rays, protons, neutrons or heavy ions can be found at every major medical center in the U. S.
如今，全美每個主要醫(yī)療中心均具備產(chǎn)生X光、質(zhì)子、中子或重離子的加速器。
But the nitrogen in the air was replaced with a nitrogen atom with a different number of neutrons, called an isotope.
但是空氣中的氮氣中的氮原子卻會被一個叫做同位素的有著不同數(shù)量中子的氮原子所替換。
If the number of neutrons increases, then the PCR is positive; if it decreases, PCR is negative.
如果中子數(shù)增加，那么PCR就是正值，反之，PCR值就為負(fù)。
SEM analysis show that after the fast neutrons irradiation, B4C coating internal crack, EDS analysis did not detect B.
SEM分析表明，B4C涂層經(jīng)快中子輻照后，涂層內(nèi)部出現(xiàn)裂紋，EDS未檢測出B。
By removing and inserting these rods in an atomic reaction pile, the number of neutrons causing fission reactions is controlled.
把這些金屬棒取出并插入原子反應(yīng)堆，就可以控制產(chǎn)生裂變反應(yīng)時中子的數(shù)量。
The core of the star gets compressed so much that the protons and electrons within it combine to become neutrons.
這時星體的核心會被壓縮得非常緊密以至于內(nèi)部的質(zhì)子和電子會結(jié)合在一起轉(zhuǎn)變為中子。
That water signature is in the form of oxygen isotopes, atoms of oxygen with different numbers of neutrons.
這種水的特質(zhì)以氧的同位素的形式來體現(xiàn)（這里的同位素是指中子數(shù)不同的氧原子）。
Some of these neutrons will be absorbed by other uranium nuclei, which will split in turn, resulting in yet more neutrons.
然后其他鈾原子核又吸引了裂變釋放出的部分中子，那些原子核接下來也會分裂，產(chǎn)生比前一次裂變更多的中子。
A rudimentary description of a nucleus consists in specifying the number of protons and neutrons it contains.
對某個原子核的初步描述，在于確定它所含的質(zhì)子和中子的數(shù)目。
As the universe expanded and cooled, some of these particles merged to form neutrons and protons.
在宇宙的擴大與冷卻的過程中，這些粒子的一部分漸漸融合并組成了中子與質(zhì)子。
Quarks, which we also cannot see, are a model to explain the properties of the protons and neutrons in the nucleus of an atom.
我們也看不見夸克，它是解釋原子核中的質(zhì)子和中子性質(zhì)的一個模型。
The ideal nanocomposite would not only resist radiation damage. It would also not itself become radioactive by absorbing neutrons.
理想的納米復(fù)合材料不僅能抵御輻射損傷，通過吸收中子它本身也不會變得具備放射性。
Protons are positively charged whereas neutrons have no charge at all.
其中質(zhì)子帶正電荷，而中子是沒有電荷的。
The ideal nano composite would not only resist radiation damage. It would also not itself become radioactive by absorbing neutrons.
理想的納米復(fù)合材料不僅能抵御輻射損傷，通過吸收中子它本身也不會變得具…
A small, massive, positively charged structure at the centre of an atom composed of subatomic particles, namely the protons and neutrons.
原子核是在原子中央的一個細(xì)小結(jié)構(gòu)，高密度并帶正電荷，內(nèi)有質(zhì)子和中子。
Although most of the space in an atom is occupied by electrons, almost all of the atom's mass is in the protons and neutrons.
盡管一個原子中的大部分空間都被電子所占據(jù)，但原子的質(zhì)量卻大部分是由質(zhì)子與中子貢獻的。
The fission process would be controlled using neutrons produced by a linear accelerator's proton beam.
該裂變過程會利用直線加速器質(zhì)子束產(chǎn)生的中子加以控制。
With the same numbers of protons , all nuclei of a given element may have different numbers of neutrons.
雖然某個元素的所有原子核都含有相同數(shù)目的質(zhì)子，但它們含有的中子數(shù)可能不同。
Fission also releases two or three free neutrons.
裂變還釋放出兩到三個自由中子。
So if we start up here, fast neutrons produced by fission, by thermal fission and then you add the total number of fast neutrons produced.
如果我們在這開始，生產(chǎn)的快速中子，通過裂變，通過熱能裂變，你加入生產(chǎn)的快速，中子的全部數(shù)量。
