neutron
美 [?nu?trɑn]
英 [?nju?tr?n] 
- n.中子
- 網(wǎng)絡(luò)中子射線;原子;中子測井
詞形變化
復(fù)數(shù):neutrons
英漢雙解
1. | 中子a very small piece of matter (= a substance) that carries no electric charge and that forms part of the nucleus (= central part) of an atom |
英漢解釋
英英解釋
例句
Large number of defects can be produced by the neutron irradiation damage shown in the results of Molecular Dynamics simulation.
分子動(dòng)力學(xué)模擬結(jié)果表明輻照會(huì)產(chǎn)生大量的間隙原子、空位及空位團(tuán)。
In the nebula's very center lies a pulsar: a neutron star as massive as the Sun but with only the size of a small town.
在星云的正中心有一個(gè)脈沖星:一個(gè)中心星,它擁有和太陽類似的質(zhì)量而只有一個(gè)小村莊那么大。
One of the best possible sources for gravitational waves would be a merger between compact binary neutron stars.
觀測引力波的最佳時(shí)機(jī)之一就是兩顆中子星互相吞噬的過程。
They have had the report about neutron initiators for some time, part of a trove of documents collected from different governments.
一段時(shí)間之前,此機(jī)構(gòu)已經(jīng)寫出了關(guān)于中子起爆器的報(bào)告,報(bào)告的有些部分來源于從不同政府搜集到的隱匿文件。
(Kusenko likens it to "a bullet passing through a cloud of vapor. " ) And if it runs into a neutron star?
(Kusenko把這比作“一顆子彈穿過一層蒸汽”)那么它跑進(jìn)中子星會(huì)發(fā)生什么呢?
Badenes's team examined archival observations and found a white dwarf and neutron star orbiting one another extremely closely.
Badenes的團(tuán)隊(duì)試驗(yàn)檔案觀測并發(fā)現(xiàn)白色小的中子星體非常近的圍繞另一個(gè)運(yùn)轉(zhuǎn)。
And this really changed our whole concept of astronomy, the existence of these neutron star binaries.
對(duì)于天文學(xué)的概念,這些中子雙星的,存在,現(xiàn)在一部分是。
And I take a little bit of matter m, and I drop it from a large distance onto the neutron star.
從很遠(yuǎn)的距離扔到,中子星上,那個(gè)小物體。
But they didn't have to scoop a chunk of neutron degenerate matter from the surface of a real neutron star either.
但他們也并不需要從一顆真正的中子星表面挖來一塊中子星簡并物質(zhì)。
Let us calculate first how much energy is released when a free neutron decays.
讓我們首先來計(jì)算一個(gè)自由中子的衰變會(huì)釋放出多少能量。
Astarquake is thought to be the tearing apart of the surface of a neutron star, much like an earthquake here on Earth.
恒星地震拒信可以撕裂中子星表面,其所能產(chǎn)生的破壞力很像地球上的地震。
And what that basically means is the neutron is born here. It's going to go from here to here leaking out of a certain confined space.
那基本上表示的是,中子是,在這產(chǎn)生的,那是要從這到這泄露,從一個(gè)封閉的空間里泄露。
The term is often used to refer specifically to the pulsed neutron spectroscopy measurement.
這一術(shù)語常用來特指脈沖中子譜測量。
Why are we worried about total absorption and scattering? Because once a neutron is E scattered it loses the E that we're trying to track.
為什么我們擔(dān)心全部的吸收,和散射,因?yàn)?/c>一旦一個(gè)中子,散射了,它損耗了我們要嘗試追蹤的。
A-Fe2O3 (haematite) was one of the first compounds to be studied by neutron diffraction.
A-Fe2O3(赤鐵礦)是中子衍射最先研究的化合物之一。
A third topic is that of the high-density colour superconductive state of matter, which may be present in the core of neutron stars.
第三個(gè)議題是,在高密度色超導(dǎo)物質(zhì)的狀態(tài),這可能是在中子星的核心存在。
Unlike either the electron which has a negative charge or the proton which has a positive charge, the neutron has no charge at all.
中子既不象帶負(fù)電荷的電子,也不象帶正電荷的質(zhì)子,它根本就不帶任何電荷。
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(gè)中子后發(fā)生裂變并釋放出兩三個(gè)中子。
It was the first time that astronomers have measured the rate of cooling of a young neutron star.
這是天文學(xué)家第一次測量到了年輕中子星的冷卻速率。
He said the neutron stars can be no larger than about 20. 5 miles (33 kilometers) across.
他指出,這些中子星的直徑不可能超過20.5英里(33公里)。
A-Fe2O3 (haematite) was one of the first compounds to be studied by neutron diffraction.
A-Fe2O3(赤鐵礦)是中子衍射最先研究的化合物之一。
There appeared to be no gross distortions of the neutron spectrum expect at energies below 2 MeV.
除了2兆電子伏以下的能量外,中子譜似乎不存在顯著的畸變。
The model comprising accretion onto a neutron star or black hole companion must still be considered a favored hypothesis.
在中子星或黑洞伴星上發(fā)生吸積的模型,仍應(yīng)看成是一個(gè)有價(jià)值的假說。
At the briefest glance at a table of elementary particles, we can see straight away that the neutron and proton are very similar.
查閱基本粒子表,立刻就可看出,中子和質(zhì)子非常相似。
The rod is surrounded with a neutron-slower.
在棒的四周圍著中子減速劑。
It is for this reason that hydrogen, e. g. as water, is an important constituent of neutron shields.
由于這一緣故,氫(例如水)便成為中子屏蔽體的一個(gè)重要組成部分。
This is the stabilization of the neutron.
這就是中子的穩(wěn)定性。
deuteron: The nucleus of a deuterium atom, consisting of a proton and a neutron, regarded as a subatomic particle with unit positive charge.
氘核:氘原子的原子核,由一個(gè)質(zhì)子和一個(gè)中子組成,被視為帶單位正電荷的亞原子。
If available in real time during logging, the neutron-density crossplot porosity should be used for the best estimate of porosity.
如果測井時(shí)是實(shí)時(shí)記錄,中子-密度孔隙度交會(huì)圖應(yīng)該用于孔隙度的最佳估計(jì)。
This paper expound the neutron dynamic math model of a nuclear reactor and applied this model to set up the transfer function.
闡述了核反應(yīng)堆堆芯的中子動(dòng)力學(xué)數(shù)學(xué)模型,并應(yīng)用該模型建立傳遞函數(shù)。
However, you will never see pulsations, because a black hole has no surface, like a neutron star.
你將不會(huì)看到脈動(dòng),因?yàn)?/c>黑洞沒有表面,它不像中子星,不存在兩個(gè)熱點(diǎn)可以。
The removal of a neutron from the system is indicated by the head of an arrow.
用箭頭表示一個(gè)中子從這個(gè)系統(tǒng)中的移動(dòng)。
If you had a clock on the surface of a neutron star, for example, it would tick at about 70% of the rate of a clock on Earth.
舉個(gè)例子,假如你在中子星的表面有一個(gè)時(shí)鐘,那么它的運(yùn)行速度只有在地球的70%。
Study of a slightly enriched R reactor fuel by means of a pulsed neutron source.
借助脈沖中子源使R堆燃料稍有濃縮的研究…[中國核科技信息與經(jīng)濟(jì)研究院]。
A neutron has no appreciable electromagnetic interaction with nuclei or with electrons .
中子與原子核或與電子并沒有可察覺的電磁相互作用。
High-speed neutron doesn't hit a nucleus very often; it usually flies right past, just as a golf ball hit too hard rolls right over the cup.
高速中子常常擊不中原子核,猶如打高爾夫球用力太猛,球便會(huì)從球洞上方滾開。
Now, two teams of physicists say they have more direct evidence for superfluidity in the heart of a neutron star.
現(xiàn)在,兩個(gè)小組的物理學(xué)家宣稱他們掌握了中子星核心中超流的更直接的證據(jù)。
Helium 3 is not hazardous or even chemically reactive, and it is not the only material that can be used for neutron detection.
氦3的化學(xué)性質(zhì)不活潑,是安全的化學(xué)物質(zhì),它并不是制造中子探測器的唯一原料。
This flexibility can only be assured with the deployment of the fast neutron spectrum reactor technology, and fuel reprocessing.
這種靈活性只能保證與快中子譜反應(yīng)堆技術(shù)的部署和燃料后處理。
A ten-gram object thrown onto a neutron star-- the reason being that this velocity becomes enormously high.
原因就在于-,速度,變得無窮大,若扔到中子星的物體。
A new method to determine the neutron sensitivity of a micro fission chamber for a boiling water reactor.
沸水堆微裂變室中子靈敏度測定的新方法…[中國核科技信息與經(jīng)濟(jì)研究院]。
On ageing mechanism of these components, the critical problems are neutron irradiation embrittlement, corrosion damage, fatigue and erosion.
在設(shè)備老化機(jī)理中,關(guān)鍵問題是中子輻照脆化、腐蝕損傷、疲勞及磨損。
It is probably no exaggeration to say that biology is now undergoing its "neutron moment" .
也許可以毫不夸張地說生物學(xué)正經(jīng)歷其“中子期”。
To find out how strong the crusts of neutron stars really are, Horowitz and a colleague created a computer simulation of a star's surface.
為了發(fā)現(xiàn)中子星的地殼到底有多么硬,Horowitz和一位同事建立了一顆星球表面的計(jì)算機(jī)模擬程序。
When constrained within the laser trap, the atoms are bunched close together, mimicking the neutron degenerate pressure of a neutron star.
當(dāng)它們被激光阱束縛時(shí),原子被捆綁并相互靠近,模擬出中子星內(nèi)的中子簡并壓。
and ensuing explosion would blow off the outer envelope of the star and leave behind the core as a neutron star.
按此模型,引起的突然壓縮和隨后的爆發(fā)會(huì)把恒量的外部包層吹跑,留下的核成為一顆中子星。
There appeared to be no gross distortions of the neutron spectrum expect at energies below 2 MeV.
除了2兆電子伏以下的能量外,中子譜似乎不存在顯著的畸變。