英语释义

• a stable particle with positive charge equal to the negative charge of an electron

片语

proton pump[植] 质子泵

Proton NMRProton NMR (also Hydrogen-1 NMR, or 1H NMR) is the application of nuclear magnetic resonance in NMR spectroscopy with respect to hydrogen-1 nuclei within the molecules of a substance, in order to determine the structure of its moleculeR.

Proton Blast质子风暴

proton microscope质子显微镜

proton magnetometer[地物] 质子磁力仪

proton dosimetry质子剂量学

proton therapy质子疗法

proton mass质子质量

Proton Balance质子平衡

英汉例句

• thus, the opera team repeated their experiment using proton pulses that were 3, 000 times briefer than last time, giving greater precision to the start time of neutrinos.

  因此，opera团队使用了比上一次短3,000倍的质子脉沖来重复他们的实验，这样就会大大提高了中微子开始行驶时间的精确度。

• happily for us, they「re all pretty unlikely—how many people do you know who have died by proton disintegration?

  幸运的是，它们成功的可能性都不大——有多少你认识的人是被质子分解致死的？

• each proton (or neutron) has about two thousand times the mass of an electron.

  每一个中子或者质子的质量都是一个电子的两千倍。

• a few inches away, another catalyst, platinum, helps that bare proton become hydrogen.

  几英寸外的另一催化剂铂帮助把裸露的质子合成氢气。

• so, we just talked about the force law to describe the interaction between a proton and an electron. you told me that when the distance went to infinity, the force went to zero.

  我们刚刚讨论了描述质子,和电子之间相互作用力的定律,当距离变为无穷时,力变为零，那当距离变为,零时会发生什么？

• unlike x-rays, the standard radiotherapeutic tool, a proton beam can be tuned in a way that causes it to dump its destructive energy at a particular depth beneath the skin.

  不同于x射线这种标準的放射治疗手段，质子束的强度是可以调节的，，它可以在皮下一个特定的深度集中释放具有杀伤力的能量。

• because hydrogen atoms have a proton for a nucleus, this leaves the crew exposed to dangerous ionising radiation that breaks chemical bonds and damages dna.

  因为氢原子核含有一个质子，这使船员暴露在危险的电离辐射中，这些辐射能打破化学键，损坏dna。

• physicists had pointed out that the proton pulses that were used to generate the neutrinos that left cern were of quite long durations, at 10.5 microseconds.

  物理学家曾指出，用来生成中微子的质子脉沖，它在离开欧洲核子研究中心时约有10.5微秒长的持续时间。

• which splits water into oxygen and the constituents of hydrogen, a proton and electron.

  催化剂会把水分解成氧气和氢原子的构成部分：一个质子和一个电子。

• the radius of the proton is significantly smaller than previously thought, say physicists who have measured it to the best accuracy yet.

  质子的半径竟然比预想的要小，虽然物理学家先前已经应用最準确的技术进行了测量。

• and i think people would start looking to see, well, maybe other dimensionless ratios like the ratio of the mass of the electron to the mass of the proton are changing.

  而且我认为人们也会开始考虑，像电子的质量对质子的质量的比值，也许其他无量纲的常数也在发生变化。

• proton beams are zipping around the world」s largest particle collider after more than a year of repairs.

  经过一年多的修整后，质子束流又开始在世界最大的粒子对撞机快速前进了。

• a proton contains three charged quarks bound by the strong force and its radius is defined as the distance at which the charge density drops below a certain value.

  一个质子由三个带电的夸克通过强相互作用力结合而形成，它的半径是由电荷密度降到某一确定值的距离来确定的。

• the neutrinos that emerge at gran sasso start off as a beam of proton particles at cern.

  格朗萨索实验室测到的中微子来自欧洲核子研究中心的质子粒子束。

• this lamb shift is a result of the interactions between the electron and the constituent quarks of the proton as described by qed.

  兰姆位移是电子与质子组分夸克相互作用的结果，这一现象被描述为量子电动力（qed）。

• in this photo, a patient receives treatment at loma linda university medical center in california, the world's first proton accelerator built specifically for a medical environment.

  这张照片中，一个病人在美国加州罗马琳达大学医学中心接受治疗，在那里质子加速器全球首次专用于医疗环境。

• collider operators steered the proton beams, comprising billions of particles accelerated almost to the speed of light, into their first collision just after 1 p.m. geneva time.

  日内瓦时间刚过下午1点，对撞机的操作人员操纵着由数十亿个粒子组成的质子束流，以接近光速的速度实现了首次对撞。

• with a pile more money, you can cut the proton and neutrons into their smallest parts, quarks, you will still have magnets with north and south poles.

  如果你还有大把的钱，你可以把质子和中子分成组成它们的最小组分：夸克，然而你还是只会得到拥有南北极的磁体。

相似词

molecule[化学] 分子；微小颗粒，微粒