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- positive ion bombardment 正离子轰击
- The crystals were cleaned by argon ion bombardment. 结晶体由氩离子轰击而净化。
- The crystals were cleaned by argon ion bombardment . 结晶体由氩离子轰击而净化。
- Third, positive ion polyelectrolyte. （3）阳离子聚合电解质。
- Ion bombardment promotes interfacial diffusion and enhances interface adhesion. 也可借助离子的轰击作用形成结合良好的扩散过渡层；
- A substance that ionizes in solution to give the positive ion of the solvent. 酸性物质一种在溶解时发生电离从而使溶剂带上正电荷的物质。
- The vitamin twister uses positive ion / negative ion / negative, positive ion. 维他命导入棒能令肌肤直接吸收水份和营养，使肌肤持久水嫩晶莹。
- On the basis of the study of the fine structure of the ion-nitrided layer, this paper discussed the mechanism of accelerating process of ionnitriding by ion bombardment. 在对离子渗氮层的精细结构进行了较深入研究的基础上,对离子轰击加速渗氮的机理进行了探讨。
- Obvious examples are potentiometers and tachogenerators to monitor the posit ion and speed of a shaft. 反映转轴位置和速度的电位器与测速发电机是我们最熟悉的传感器的例子。
- Positive Ion Lipoplexes and Its Application in Gene Transfection and Gene Therapy. 阳离子脂质体及其在基因转移和基因治疗中的应用。
- The results of SEM, ESCA and FTP - IR - ATR analysis indicated that C - H and C - O bonds on the surface were broken up and the degree of phase separation was increased after Si ion bombardment. 同时用扫描电子显微镜、电子能谱化学分析和傅里叶变换红外谱对材料的分析表明:注入的Si~+打断了材料表面的一些基团,而且使材料表面变得粗化。
- I think the latter is more likely for a starting posit ion, especially if you have lit tle or no experience. 他们可能会问你想要多少工资，或简单的告诉你公司的打算。
- The material for organic synthesis, mainly used for synthesize positive ion etherifying agent. 用途Usage：有机合成原料，主要用于合成阳离子醚化剂。
- Positive ions drift downward, negative ions drift upward. 正离子向下漂移，负离子向上漂移。
- The anoin neutralizes blood positive ion in human body, and makes the blood pH to maintain the state of equilibrium. 负离子可中和人体血液内正离子调整生物电流，使血液酸碱度（pH）保持平衡状态。
- Th has been produced via a multinucleon transfer reaction by 60MeV/u 18 O ions bombardment of natural uranium. 利用 6 0MeV/u的18O离子束轰击天然铀靶 ,通过多核子转移反应生成重丰中子核素2 37Th ,由多步快速放射化学分离方法从被照射过的靶物质中分离出钍元素。
- The mass spectra of phosphodiamidoates have been studied using positive ion FABMS and negative ion FABMS. 本文讨论一类新合成的磷酰二胺酯的质谱特征。
- 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。
- ion bombardment secondary electron image 离子轰击二次电子像
- Each positive ion in the field feels the strong tug of the aft-mounted, negatively charged electrode and therefore accelerates rearward. 电场中的正离子感受到太空船尾负电极的强大吸引力，因此会朝尾部加速移动。
