positive electron
英 [ˈpɒzətɪv ɪˈlektrɒn]
美 [ˈpɑːzətɪv ɪˈlektrɑːn]
正电子，阳电子
双语例句
- You have a positive electrode here and the electron is charged negatively.
你有一个正电极，电子带的是负电荷。 - So do you think noble gases would have a high positive electron affinity, a low positive, or negative electron affinity?
那么，你认为稀有气体的电子亲和能，应该是一个高的正值，一个低的正值，还是一个负值？ - By convention, current in a circuit is considered to flow from a more positive point to a more negative point, even though the actual electron flow is in the opposite direction.
按照惯例，电路中的电流被认为是从正端流向负端，上电子足以反方向流动的。 - The proton carries a positive charge and the electron carries a negative charge, but the neutron carries neither.
质子带正电荷，电子带负电荷，中子两种电荷都不带。 - Positive electron and antiparticle are found.
正电子及反粒子的发现。 - A chemical bond in which one atom loses an electron to form a positive ion and the other atom gains to electron to form a negative ion.
一个原子失掉一个电子来形成一个正离子，另一个原子得到一个电子来形成一个负离子的化学键。 - The Chemistry of Positive Ion Free Radical ⅱ、 Electron spin Resonance of Complexes of Some aromatic amine with Antimony Pentachloride and Their properties of Inhibiting Polymerization
正离子自由基的化学Ⅱ，芳胺五氯化锑络合物的ESR及阻聚性质 - If the amount of positive and negative charges is varied, the electron stream can be made to bend up or down in varying amounts.
如果正负电荷的量发生变化，电子流上下弯曲的程度也随之变化。 - So, what we're looking at here is the force when we have two charged particles, one positive one negative& here, the nucleus and an electron.
我们现在研究的是，一正一负俩个带电粒子之间的，作用力-在这里。 - The most obvious influences on ion yield are ionization potential for positive ions and electron affinity for negative ions.
对于离子产额影响最大的因素分别是离子化势（正离子）和电子亲和势（负离子）。 - Hole-Similar to a positive charge, this is caused by the absence of a valence electron.
空穴-和正电荷类似，是由缺少价电子引起的。 - Results Strongly positive staining of cytokeratin-7, weakly positive staining of β-hCG in some cells, and negative staining of vimentin were observed under light and electron microscope and immunocytochemistry, suggesting they were trophoblasts.
结果①经光电镜、免疫细胞化学染色鉴定，细胞角蛋白7（CK-7）染色强阳性，β-hCG染色个别细胞弱阳性，vimentin染色阴性，表明分离培养的细胞为滋养细胞。 - Conversion of positive hole to electron in the process of latent image formation
潜影形成过程中的空穴及其转换 - In the pulse corona area, there are both electrons and positive and negative ions, with the electron energy much higher than that of ion and unbalance between the amounts of positive ions and negative ones.
窄脉冲放电电晕区可覆盖整个电极间区域，荷电区域内既有电子，也有正离子和负离子，电子能量远高于离子能量，正负离子数量不平衡。 - This article mainly analyzes the corona drain high voltage stability system of the positive ion accelerator, and introduces the other two high voltage stability methods: the electron gun method and the controlling up charge spray current method.
对正离子静电加速器的电晕放电法高压电压稳定系统进行了较为细致的分析，同时也分析了另外两种稳压方法：电子枪法和控制喷电电流法。 - Most of these positive cells were verified as mono macrophages and neutrophilic granulocytes by electron microscopy.
电镜下证实这些阳性细胞多数为单核－巨噬细胞和中性粒细胞。 - Is a kind of imaging equipment combined positive electron tomography which is widely used in the analysis of the heart and brain and tumor, s function and blood feeding and metabolism.
广泛应用于肿瘤、神经与精神疾病以及心血管等疾病的诊断、治疗与研究中，是本世纪最重要的成像设备。 - After HE staining and streptavidin avidin biotin complex ( SABC) staining, the expression of Netrin 1 positive reactant was tested by electron microscopy.
经苏木精-伊红染色和常规卵白素-生物素-过氧化物酶复合物染色，电镜检测Netrin-1阳性反应物的表达。 - The oxidation of the 3'4 '-dihydroxyl electron-donating groups occurred first at the lowest positive potentials, producing quercetin o-quinone via a two electron two proton reversible reaction.
在低电位下B环的两个供电子羟基首先发生两电子两质子参与的可逆的氧化反应，生成槲皮素邻醌。 - Using this apparatus, the scattered electrons, the ionized or dissociated positive ions, the dissociated negative ions or ionized electrons produced from the electron impact with atom or molecule can be measured simultaneously.
该系统可以同时获得电子与原子分子碰撞后散射电子、电离或解离正离子、解离负离子或电离电子的信息。 - The change of magnetoresistance from positive to negative under a perpendicular low magnetic field indicates that electron spin-orbit scattering caused by crystal field exists in Al_ 0.22 Ga_ 0.78 N/ GaN heterojunction.
在外加弱磁场的情况下，该系统表现出正-负磁阻的变化，说明在Al0·22Ga0·78N/GaN异质结中存在晶体场引起的电子自旋-轨道散射。 - The LUMO orbit energy level of polythiophene turned negative with the lithium ion intercalating into, and became the positive pole of the cell reaction that received electron.
聚噻吩在嵌入锂离子时LUMO轨道能级变为负值，成为电池反应得电子的正极。 - The number of POD positive granules with high electron density was fewer than the number of POD positive granules with low electron density in the epithelial cells of branchial axis.
鳃轴上皮细胞内POD高电子密度阳性颗粒较少，而低电子密度阳性颗粒较多； - Observations on the NOS positive neurons in Hirschsprung disease by light and electron microscopy
先天性巨结肠病肠壁NOS阳性神经元光镜和电镜观察 - The structure of motor end plate and the AchE positive reactive product were observed via transmitting electron microscope.
通过透射电镜观察各组运动终板结构和AchE阳性反应产物的变化。 - The results indicate that eight strains do not agglutinate chicken red blood cell, but react with positive serum of FAVI. Typical characteristics of adenovirus are seen in electron microscope, chick embryo liver cells become round, diacaustic rate is enhanced and affect growth of chicken embryo.
结果显示，8株均不凝集鸡红细胞，能与FAVI阳性血清反应，具有腺病毒粒子的典型特征，致细胞变圆、折光性增强，使鸡胚发育不良。 - Under the microscope, the numbers of positive cells were counted. The results show that: modification effects were similar to the result showed by the electron microscopy. Mixed bank had the best effect.
显微镜下对阳性细胞数进行计数，统计结果表明：修饰效果同电镜结果，混合组效果最佳。 - We are the first in China to report the observation that there are some tubers on the surface of body and in the process of excystation and fibrosis lung tissue in positive rat under scanning electron microscope.
扫描电镜观察到表面有粗细不等的管状物和正在脱囊的虫体，阳性大鼠肺组织纤维化改变，为国内首次报道。 - We also used another model to calculate the spatial distributions of electron, positive ion and electron energy which all change with RF period. ( 2) The electron mean energy in the RF-discharged oxygen plasma were studied theoretically and experimentally.
针对这个模型的不足，计算了的电子、正离子、电子能量的随射频时间周期变化的空间分布。（2）针对射频放电氧等离子体中的电子能量进行了理论和实验研究。