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质子
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     Studying Mechanism of High Energy Proton-Proton Elastic Scattering in QCD
     高能质子—质子弹性散射QCD机制的研究
短句来源
     The Large Hadron Collider (LHC) is a proton-proton collider under construction at the European Organization for Nuclear Research (CERN). Two 7 TeV proton beams will collide at the highest energy ever reached in a particle accelerator with the design luminosity of 10~(34)cm~(-2)S~(-1).
     LHC(Large Hadron Collider)是CERN(European Organization for Nuclear Research,欧洲核子物理研究中心)正在建造的大型强子对撞机,其质子—质子对撞的质心能量达到14TeV,对撞粒子束流亮度高达10~(34)cm~(-2)s~(-1),建成后它将成为世界上能量最高的粒子对撞机。
短句来源
     A Study of Leading ∧ and △~(++) Production in p-Pb Collisions at 19 GeV/c and an Analysis of Non-Uniform Longitudinal Flow in Relativistic Heavy Ion Collisions
     19GeV/c质子—铅碰撞中领头粒子∧和△~(++)产生和相对论重离子碰撞中非均匀集体纵向膨胀流的研究
短句来源
     Using the NA49 data of proton-proton collisions at 158 GeV/c, HBT feature of one, and three dimensional of π+ π+ and ; π-π- pairs are provided.
     本文利用NA49的158GeV/c能量下的质子—质子相互作用实验数据,系统讨论全同π~+π~+和π~-π~-的HBT(玻色—爱因斯坦)关联的全同玻色子对的关联特征。
短句来源
     The results show that after coordination the conformation of sugar ring has a tendency of 2E→3E, the comformation between C (4' )-C(5' ) has no significant change, adopt gg form.
     通过质子—质子之间扭转角φ_(HH)计算发现:配位以后糖环的构象有~2E→~3E转变的趋势; C(4′)—C(5′)之间旋转仍主要采取gg构象。
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  相似匹配句对
     Proton Therapy
     质子治疗
短句来源
     Study on Proton Radioactivity
     质子衰变研究
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It was suggested that the mechanism for the eruption of heat was that La3+ ion damages the outer cell membrane and increases its permeability and the proton-electron potential energy across the cell membrane was reduced or couldn't even be initiated.
      
Fabrication and performance of PEN SOFCs with proton-conducting electrolyte
      
It also increased the proton-conducting rate and improved the performance of SOFCs due to the reduction of membrane thickness and good contact between electrolyte and electrodes.
      
Sulfonated poly(ether ether ketone)/zirconium tricarboxybutylphosphonate composite proton-exchange membranes for direct methanol
      
Structural arrangements and properties of redox components of the mitochondrial and bacterial proton-translocating NADH:quinone oxidoreductases are briefly described.
      
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By surrounding a photo-neutron source of Ra+Ee with a thin spherical sbell of paraffin, a continuous spectrum of scattered neutrons, extending from zero energy to the energies of the primary neutrons is obtained. When a silver detector is exposed to such a spectrum, a part of the neutrons having just the energies at resonance with the silver nuclei is strongly absorbed by the detector and thereby produces the induced β-activity. By measuring the activity of silver and the apparent absorption coefficient of the...

By surrounding a photo-neutron source of Ra+Ee with a thin spherical sbell of paraffin, a continuous spectrum of scattered neutrons, extending from zero energy to the energies of the primary neutrons is obtained. When a silver detector is exposed to such a spectrum, a part of the neutrons having just the energies at resonance with the silver nuclei is strongly absorbed by the detector and thereby produces the induced β-activity. By measuring the activity of silver and the apparent absorption coefficient of the resonance neutrons in a thin silver absorber, the total width of the resonance levels effective to neutron capture and located in the above spectrum is estimated. Let τ He the average value of one half of the half-value width of the resonance levels, expressed in volts, and n be the number of resonance levels here concerned. We find nτ=260 volts for the silver nuclei of half period 22" if the energies of the primary neutrons are taken to be 2x 105 volts. Knowing nτ, we can evaluate the average spacing between adjacent resonance levels effective to neutron capture by giving a plausible value to τ. We find a spacing of the order 80-800 volts if τ be given the value 0.1-1.0 volt. This result is in good accord with the recent theoretical calculation of Bethe and also with observations of resonance groups in the low energy region.

把‘镭—铍’所产生的‘光中子’,穿过一层半厘米厚的白蜡,我们便得到一‘连续的中子谱’。他们中间有些中子,能和银的原子核起‘共振作用’,因此可以被银片吸收,而产生‘人工放射银’先测量人工放射的强度和‘共振中子’在银片中的吸收率,再应用原子核内共振能层的宽度,我们便可以求出银的原子核内‘共振能层’的密度大约共振能在零和二十万伏特中间,平均每隔一二百伏特便有一可以吸收质子的共振能层,和理论很相符合。

The potential between two nucleons suggested by K. C. Wang, viz.

本篇应用王淦昌所建议之两个核子间之相互位能 即 V=V(r)=- Ae~(klr) 在r≥α时; 及V=V(α) 在r<α时。以求下列数点:(1)重子在正常情形时之波函数,(2)中子与质子间之扩散断面值,及(3)重子被γ射线击破之断面值。本篇所计算得之各断面值之结果与实验所得者,颇相近似。

The effect of the anomalous magnetic moment of the nucleon on the value of the internal conversion coefficient is investigated.The parts played by the sealer and tho longitudinal photons in the process of the internal conversion are first discussed. The retarded interaction between the charged particles with anomalous magnetic moment is derived by the correspondence method. The results obtained is then verified by the quantum electrodynamical treatment. The retarded interaction thus obtained is then applied...

The effect of the anomalous magnetic moment of the nucleon on the value of the internal conversion coefficient is investigated.The parts played by the sealer and tho longitudinal photons in the process of the internal conversion are first discussed. The retarded interaction between the charged particles with anomalous magnetic moment is derived by the correspondence method. The results obtained is then verified by the quantum electrodynamical treatment. The retarded interaction thus obtained is then applied to the calculation of the internal conversion coefficient. It turns out, that the anomalous magnetic moment of the nucleon has negligible influence upon the coefficient of the magnetic conversion and the coefficient of the electric conversion induced by the proton transition. However, the anomalous magnetic moment of the nucleon does cause considerable modification of the coefficient of the electric conversion induced by tho neutron transition, contrary io the conclusion arrived a,t by various authors~[4,6]. The problem of the gauge transformation is discussed and the errors contained in the treatment given by these authors are pointed out.

本文讨论核子的反常磁矩对于内转换系数数值的影响。首先讨论了纵光子和标量光子在内转换过程中所起的作用。然后用对应的方法推导出具有反常磁矩的荷电粒子之间的推迟相互作用。又用量子电动力学推导推迟相互作用,得到完全相同的结果。这一推迟相互作用被用来计算内转换系数。结果指出:核子的反常磁矩对于磁多极内转换系数以及由于质子跃迁导致的电多极内转换系数的影响微不足道。但是和某些作者的结论相反,核子的反常磁矩对于由于中子跃迁而导致的电多极内转换系数产生显著的影响。讨论了计算中所用的规范问题,从而指出这些作者处理本问题时所引入的错误。

 
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