查询词典 ion plasma

Transport of long-pulse,high-current electron beam in performed monatomic plasma channel in the ion focus regime.

刘盛纲 分别于1955年和1958年获得东南大学和电科技大学学士和博士学位，1980年当选为中国科学院院士，1986年起担任电子科技大学校长至今，目前的研究兴趣为微波等离子体及等离子体相关电磁相干辐射。

In this article, the research progress on the characterization, structure and function of the plasma membrane potassium ion transporters are reviewed.

本文对上述质膜钾离子转运体的生化特性以及结构功能研究的进展进行了综述。

This phenomenon above may be explained through analyzing the movement of electron and positive ion in plasma canal.

通过参考和分析等离子通道中电子和正离子的运动，并对上述现象给出了探讨性的解释。

By a theoretical model, influences from electron temperature, ion temperature, plasma flow and secondary electron emission are mainly analyzed.

主要讨论了电子温度、离子温度、等离子体流动以及二次电子发射对尘埃带电的影响；数值计算研究了尘埃带电的弛豫时间；在考虑了离子拖拽力作用下，估算了尘埃粒子在聚变装置中的运动速度；针对碳材料的尘埃理论计算得到了粒子的寿命。

In the chapter three, based on the second chapter, by considering the damping effect of the neutral gas and the ion drag force on the dust particle, the electrostatic modes and their instabilities in the dusty plasma in the uniform magnetic field are investigated.

在第二章的基础上，第三章考虑了中性气体的阻尼和离子对尘埃粒子的拖拽力作用，对在均匀外磁场中的尘埃等离子体中的静电波和不稳定性进行了研究，发现中频和低频的波模是衰减的。

An RF ion source suitable for low power operation over a range of pressures in air which comprises discharge electrode, a cathode and an anode, the cathode being connected to an rf signal supply through an associated coupling means and the anode adapted to provide a surface area over which a plasma discharge may occur no greater than substantially that of the cathodal area over which the discharge may occur.

在空气压力范围内适合低功率工作的射频离子源，该离子源包含放电电极，一个阴极和一个阳极，该阴极通过相关的连接装置连接到射频信号源，调节该阳极以提供等离子放电可能发生的表面区域，该区域不大于放电可能发生的阴极区域。

While cytoplastic Ca2+ concentration is usually kept below 0.1-0.2 M, it will rise to function in intracellular signaling after excitation, with Ca2+ passing through Ca2+-permeable ion channels in plasma membrane and Ca2+-release channels in endoplasmic reticulum/sarcoplasmic reticulum (ER/SR. In pancreatic ??

静息状态下胞浆中钙离子水平很低，而细胞受到某些刺激后，钙离子可通过胞膜上的钙通透性通道或胞内钙离子库的钙释放通道提高胞浆中钙离子浓度，进而引起各种生理活动。

Comparing to single rf source CCP, ion flux and electron flux will be influenced by both of the sources in the dually rf driven CCP. Therefore, particles in plasma behave more complicated.

与单频电容耦合放电相比，在双频电容耦合放电等离子体中的离子和电子受到的是两个不同频率的射频偏压的调制，从而使等离子体表现出更为复杂的运动行为。

The difference can be used to test nonstatic, spherical quark-gluon plasma produced in relativistic heavy ion collisions.

这一区别可以用来检测相对论重离子碰撞中产生的非静态球形夸克-胶子等离子体的存在性。

The influences of three instrumental parameters of ICP-MS spectrometer(radio frequenceypower, nebulization gas flowrate and ion lens voltage)on signal intensity and productivity of a few kinds ofions formed from 15 rare earth elements in the plasma(single element ions RE+,oxide ions REO+,hydroxideions REOH+ and hydride ions REH+)have been investigated.

研究了电感耦合等离子体质谱法的仪器主要参数(射频功率、雾化气流量、离子透镜电压)对15种稀土元素的离子、氧化物离子、氢氧化物离子和氢化物离子信号强度及各多原子离子产率的影响，并对各稀土元素多原子离子产率与各稀土元素性质的关系进行了探讨。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。