positive electron

high-speed electron and positive electron storage rings ; detector for collision analysis ;

高速电子和正电子储存环，探测器的碰撞分析；

The collider consists of five parts : accelerating electron and positive electron accelerator ;

该对撞机由五个部分组成：加速电子和正电子加速器；

Positive electron and antiparticle are found .

正电子及反粒子的发现。

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？

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。

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

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）。

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。

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。

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；

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。

Most of the positive granules with high electron density are round and the diameter are 150 & 220nm , but the few of them are long elliptic about 200nm × 600nm .

高电子密度的POD阳性颗粒多为圆形，直径150&220nm；少数为长椭圆形，大小约为200nm×600nm。