EMC效应的发现反映了自由核子与束缚核子的结构函数明显不同,核环境可以影响核子的内部结构。
EMC effects reflect that free nucleon structure functions are different from bound nucleon. Nuclear environment affect inner structure of nucleon.
由于内核的存在,将出现两个新的与地球自转有关的章动模式,即顺向的自由核章动(PFCN)和内核摆动(ICW)模式。
Because of the inner core of the earth, there will have two nutation modes related to the earth's rotation, i. e. a prograde free core nutation (PFCN) mode and a inner core wobble (ICW) mode.
根据地球自由核章动在周日重力潮汐观测中的共振效应确定了自由核章动的复本征周期和品质因子Q值,研究了极移重力效应;
The complex eigen period period and Q value of the FCN are evaluated based on the resonance observed in the diurnal tidal gravity, the gravity change due to the polar motion is also studied.
产生的新组成包括两个新原子核(副产物)、一些光子(伽马射线)以及更多的自由中子,它们是参与核裂变反应并产生能量的关键。
Those new pieces include two new nuclei (byproducts), some photons (gamma rays), but also some more free neutrons, which is the key that makes nuclear fission a good candidate to generate energy.
伦敦大学学院的研究人员发现,自由派往往有一个较大的前扣带皮层,而保守派则有较大的杏仁核。
Researchersat University College London found that liberals tend to have a larger anteriorcingulate cortex, while conservatives have a larger amygdala.
当胚发育到4—6个细胞时,在胚囊珠孔瑞的游离核之间先形成细胞壁。细胞壁的形成是以自由壁的方式从珠孔端到合点端自外向内进行。
The free cell wall formation occurs first in the micropylar end when the embryo is 4-6 celled stage, then to the chalazal end and the center.
首先从预定的广义尾流入手,并引入尖涡涡核作用的半经验修正,对旋翼的自由尾流进行计算分析。
Beginning with the prescribed wake model, a Semi Empirical Correction for the vortex core effect on rotor wake is made and free wake calculation is carried out.
物理学中流行的方法是从不带电的电子和原子核出发,因为它们是自由的平面波,可以具有任意能量,并在带电后衰减。
A view popular in physics is to start with uncharged electrons and cores, which are therefore both free and plane waves and can have any energy, and then fade in the charge.
上海宽波段自由电子激光用户装置(SFEL)正在中国科学院上海原子核研究所FEL实验室设计建造。
The Shanghai Free Electron Laser (SFEL) user facility currently under construction at Shanghai institute of Nuclear Research is a broadband free electron laser (FEL) facility.
自由中子可以轰击其它的核,导致一系列的裂变,称为链锁反应。
The free neutrons can bombard other nuclei, leading to a series of fissions called a chain reaction.
目的观察几种长效局麻药对多形核中性粒细胞(PMN)释放氧自由基的抑制作用。
Objective to study the inhibitory effects of some local anesthetics on oxygen free radicals generation of polymorphonuclear neutrophils (PMNs) and its possible mechanisms.
结果表明:随核物质同位旋非对称度的增大,质子平均自由程减小而中子的平均自由程增大。
It is shown that as increasing the isospin asymmetry, the proton mean free path decreases while the neutron one increases.
结论是这种力是快速涨落力,强梯度场中核自旋的运动仍然是自由布朗运动。
This additional force is a rapidly fluctuating force, the movement of spins is still free Brownian movement.
冷战结束了,全球核冲突的风险大大降低,货物和思想的自由流动给生活带来了地球村的概念。
Today the cold war is over. The risk of the global nuclear conflict has been greatly reduced and the free flow of goods and ideas is bringing to life the concept of a global village.
它将在核系统的激发能、角动量和同位旋三个自由度深入进行。
It will be fully exploited according the degree of freedom of excitation energy, angular momentum and isospin of the nuclear system.
提出自由基ips O亲核取代反应机理。
由此计算了热核物质和有限核的状态方程,每核子熵及每核子自由能。
The energy, entropy, free energy per nucleon and the equation of state for hot nuclear matter and hot finite nuclei are calculated, compared and analysed.
选择初值迭代求解自由涡线、涡核的强度和位置。
The strength and position of vortical cores and lines can iteratively be got by satisfying boundary conditions.
将电子自由度积掉后,我们得到了描述核自旋的有效作用量以及核自旋的自旋波传播子。
After integrating out the electron degrees of freedom, we derive the effective action describing the nuclear spins and the propagator for the spin wave.
结果显示,在重核从接触到复合核形成的过程中,颈部自由度和径向自由度可能会同时遇到由于内侧位垒引起的熔合阻止。
It appears that the neck and the radial degrees of freedom might both be hampered by an inner potential barrier on their path between the contact configuration to the compound nucleus.
建立了一个旋翼桨尖涡初始涡核半径计算模型,用于消除旋翼自由尾迹分析中桨尖涡涡核半径依靠经验设定的现状。
A model is developed for the calculation of the initial rotor tip vortex core radius aiming at eliminating the empirical parameters of the tip vortex in rotor free-vortex wake analysis.
建立了一个旋翼桨尖涡初始涡核半径计算模型,用于消除旋翼自由尾迹分析中桨尖涡涡核半径依靠经验设定的现状。
A model is developed for the calculation of the initial rotor tip vortex core radius aiming at eliminating the empirical parameters of the tip vortex in rotor free-vortex wake analysis.
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