proton
['prəutɔn]
n. 质子
例句与用法:
An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2.014.
氘氢的一种同位素,在其原子核内有一个质子和一个中子,其原子重量为2。014
A proton or a neutron, especially as part of an atomic nucleus.
核子质子或中心,尤指作为原子核的一个组成部分
A particle, such as an electron, a proton, or a neutron, having half-integral spin and obeying statistical rules requiring that not more than one in a set of identical particles may occupy a particular quantum state.
费密子一种如电子、质子或中子等自旋为半整数的基本粒子,具有一种使得不可能有多于一个的粒子占有任何一个特殊的量子力学态的量子力学对称性
词形变化:
形容词: protonic |
n.
【物】质子
proton['prəutɔn]n.1.■【物理学、化学】质子;氕核[参较neutron]
protonproton[ˈprəutɔn]n.1.■【物】(正)质子; 氕核, 氢核始基; 精朊胨proton decay质子衰变
继承用法proton-bombardedadj.1.■用质子轰击的proton-forcen.1.■质子间力proton-magicadj.1.■质子幻数的protonogramn.1.■质子衍射图proton-scatteringn.1.■质子互致散射protonspheren.1.■质子层protonation[ˌprəutəˈneiʃən]n.1.■质子注入protonicadj.1.■质子的protonizevt., vi.1.■质子化
[ˈprəʊtɒn]
noun
- (Physics)a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron
(物理)质子 - The mass of the proton is 1,836 times greater than that of the electron. The atoms of each chemical element have a characteristic number of protons in the nucleus; this is known as the atomic number. The common isotope of hydrogen has a nucleus consisting of a single proton
protonic
adjective
语源
- 1920s: from Greek, neuter of prōtos 'first'
proton
名词 proton:
a stable particle with positive charge equal to the negative charge of an electron
proton
■The proton translocation could be stimulated by the monovalent anions with decreasing order of potency of Cl-> Br- >I- >F-.
I- 由于可淬灭吖啶橙的荧光而不适用于这种方法。
■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。
■Nitroform is such a strong proton donor.
三硝基甲烷是一个极强的质子给予体。
■Shanghai WitColor of sharp-Yan technology co., Ltd: Ultra 2000 provides 4/6/8/12 saier Proton sprinkler and 12/16 electrics sprinkler configuration.
上海锐颜数码科技有限公司的WitColorUltra2000:可提供4/6/8/12个赛尔质子型喷头和12/16个赛尔电子型喷头的配置。
■In comparison with the mass of the proton the mass of the electron is considered negligible.
与质子的质量相比,电子的质量可以忽略不计。
■Neutron is neutral and slightly heavier than the proton.
中子是中性的,比质子略重。
■Neutron has a mass slightly larger than that of proton.
中子的质量略。
■The weight of the neutron is about the same as a proton, but it has no electrical charge.
中子的重量和质子差不多相等,但中子不带电荷。
■The weight of a neutron is about the same as a proton.
中子的重量和质子的重量差不多相等。
■For example, in nuclear physics one takes the mass, charge and spin of the proton as inputs.
举个例子,在原子核物理中,质子的质量、电荷、自旋就得当成预设的参数。
■For example, a proton is denoted with a "p", and an antiproton is denoted by a "p" with a line over its top .
举例来说,一个质子用“p”表示,而一个反质子用“p”在它的顶端上加一条线表示。
■Previously the function of the proton channels in basophils was unknown.
之前对嗜碱性粒细胞质子通道的功能一直是未知的。
■Or it can be further stated as there exists a redundant proton or electron.
也就是说,平均在19100个中子当中,要夹带一个过剩质子或电子(反质子)。
■The event is happening at the Proton plant in Shah Alam.
事件是发生在质子植物在莎阿南。
■Diphenylmethane would have a two proton peak.
二苯甲烷必定有一个二质子的峰。
■He then teamed up with the cancer centre at the University of California, Davis, to investigate the possibility of using a DWA for proton therapy.
于是,他会同加利福尼亚大学癌症中心,对利用DWA进行质子治疗的可能性进行了研究。
■The most general means of generating carban nucleophiles involves removal of a proton from a carbon.
从碳原子上移走一质子,是产生亲核性碳的最普通手段。
■The proton pumping activity of H+-ATPase could be initiated by some divalent cations.
但由于膜微囊渗漏程度增大,荧光下降程度减小。
■Eichenberger C, et al. Measurement of 400 MW/cm2 proton fluxes[J]. Appl Phys, 1977, 489(4):1449.
何小平,等.用偏压法拉第筒测量强流脉冲离子束[J].强激光与粒子束,2000,12(6):753.
■You will run a MATLAB? program that loads some images (T1 and proton density maps).
使用MATLAB程式载入一些影像(T1与质子密度图)。
■Version B: Proton is positive, election negative and neutron neither.
例7.质子带阳电,电子带阴电,而中子既不带阳电也不带阴电。
■The mass of proton , e.g. , is 1836 times heavier than the electron mass .
例如,质子的质量比电子的质量重1836倍。
■It was also found that the doping of Mn obviously increases the oxygen evolution potential and leads to the formation of proton deficiency.
具有较低锰含量的氢氧化镍样品显示了较大的放电容量和较高的放电电位.
■A molecular or ionic substance capable of combining with a proton to form a new substance.
化合物能与质子结合形成一种新物质的分子化合物或离子化合物
■Hospital-base proton facility consists of technical system and the traditional facilities.
医院质子治疗设备涵盖技术系统和传统设施两大类,而以筹建技术系统最具挑战性。
■The antiparticle of the proton.
反质子质子的反粒子
■We shall see later that gluons are essential to the dynamics of the quarks inside the proton.
后面将会看到,胶子对于质子内夸克的动力学机制来说是必需的。
■Basophils are among several cell types that express unique ion channels called voltage-gated proton channels.
嗜碱性粒细胞在所有类型的细胞中表现独特的离子通道,称之为电压门离子通道。
■Since the quarks in a proton or neutron have plenty of available kinetic energy, how are they bound?
因为在质子或中子中的夸克有许多的动能存在,夸克是怎样被限制住的呢?
■Since the strong force (unlike gravity) remains constant as a quark leaves a proton, more and more work must be done (work = force times distance).
因为强作用力在夸克离开质子时保持恒定,越想脱离出来,说做的功就越多。
■And is therefore an acid (proton donor).
因此它又是个酸(质子供体)。
■T 2-and proton density weighted images often showed high-signaling of pontine transversal fibers(19/28) and middle cerebellar peduncles (12/28).
在T2 和质子密度加权像上常可见桥横纤维 (19/ 2 8)和小脑中脚 (12 / 2 8)高信号。
■In writing reaction mechanisms, the timing of the proton bonding to the oxygen is merely a detail.
在写反应机理时,质子与氧键连的时机只是细节。
■In the outer Belt, proton energy averages only 1 MeV.
在外部带质子能量平均仅为1兆电子伏。
■In the lower Van Allen Belt, the proton intensity is about 20,000 particles with energy above 30 MeV per second per square centimeter.
在较低的范爱伦带,质子密度是每秒每平方厘米大约20,000个能量在30兆电子伏以上的粒子。
■Esomeprazole is a new member of proton pump inhibitors(PPI) with strong suppressive effects on gastric acid secretion.
埃索美拉唑是新一代质子泵抑制剂成员,有较强的抑制胃酸分泌效应。
■Increasing the Nafion content in the catalyst layer improves proton migration, however, it reduces void space, thus worsening gaseous oxygen transport.
增加了全氟磺酸含量的催化剂层提高质子移民,但是,它减少了无效空间,从而恶化气态氧运输。
■Proton Conductivity Study of Nafion?
复合膜的质子传导性能研究?
■Volkswagen has arranged further talks over Malaysia carmaker Proton after earlier attempts to broker a deal foundered.
大众汽车已经更进一步地安排讨论马来西亚汽车制造者质子在比较早的之后尝试中介斡旋倒塌的一个交易。
■How come they cannot escape the proton?
夸克为什么不能从质子中脱离出来呢?
■If the incident proton collides with a proton bound in a nucleus, the threshold energy is lower because the target proton is bound.
如果入射质子是与束缚在原子核内的质子相碰撞,那么阈能会低一些,因为作为靶的质子是束缚着的。
■Their combined kinetic energy is much more than that of the original proton.
它们的总动能比原来质子的功能大得多。
■Proton has built factories capable of churning out[5] 1m cars a year and has launched a range of models.
它是时任马来西亚总理的马哈蒂尔·默哈曼德战略部署(即到2020年将马来西亚建设成为一个工业化国家)的一个重要组成部分。
■Should Proton give up and become a tiny part of a global carmaker, or should it struggle on in the hope that things will somehow improve?
宝腾应该选择放弃(出售)从而成为全球汽车制造领域微不足道的一分子,还是选择继续奋斗并期待情况会有所好转?
■Proton has built factories capable of churning out 1m cars a year and has launched a range of models.
宝腾建立了年产量能达到100万台的工厂,还将发行一定数量的车型。
■Measurements of Proton Response of two Lithium Fluoride Detectors with Different thicknesses.
对两种厚度氟化锂探测器质子响应特性的测量。
■In a proton, only 1.3% of its mass comes from the mass of the three quarks.
对于质子,仅有1.3%的质量是来自于三个夸克的质量。
■For patients with ulcer bleeding and low-risk endoscopic stigmata, high-dose oral proton pump inhibitor therapy is suggested.
对溃疡出血和低危内窥镜显小孔的患者,建议应口服大剂量质子泵抑制剂。
■From time to time, scientists have speculated that the proton and electron charges might not be exactly equal in magnitude.
屡次地,科学家们推究质子与电子的电荷大小可能不恰好相等。
■Three proton pump inhibitors have been launched: omeprazole, lansoprazole and pantoprazole in 1988,1991 and 1994, respectively.
已经上市的质子泵抑制剂有奥美拉唑(1988年上市)、兰索拉唑(1991年上市)、泮妥拉唑(1994年上市)。