查询词典 ion

ABSTRACT In the first Born approximation, the laser assisted ion-and positron-atom charge exchange collisions are studied.

本文在Born近似下，系统地研究了强激光场中裸离子与正电子对原子的电荷转移过程，在偶极近似下。

Largely unstructured in solution, linear peptides fold into an amphipathic helix upon binding and insert into the target membrane, leading to breakdown of the transmembranal potential and of ion gradients, thus causing leakage of cell contents, resulting finally in cell death.

大多数的抗菌胜肽在水溶液中是呈现松散的结构，但和目标微生物作用时会褶叠形成双性螺旋的结构并插入其膜内，导致破坏膜内外的电位及离子梯度，造成细胞的泄漏，最后导致细胞死亡。

And it is electrons bremsstrahlung and recombination excitation radiation of electron and ion at high pressure.

高压下以电子韧致辐射及电子与离子的复合激发为主要机理。

A simple and rapid method for determination of F-in brick tea by ion chromatography with conductivity detector was studied.

采用AS18(4mm×250mm)色谱柱，以梯度浓度的KOH作为淋洗液，建立了一种用离子色谱电导检测器测定砖茶无机氟的方法。

Objective: To establish an analytical method for the determination of bromate residue in flour products by ion chromatography.

目的：建立面粉制品中溴酸盐残留的离子色谱测定方法。

The methods for the determination of bromate and perchlorate with ion chromatography were discussed emphatically.

重点介绍了离子色谱测定饮用水中溴酸盐和高氯酸盐的方法。

The method for the determination of trace level of bromate in drinking water by ion chromatography with direct injection was optimized.

对直接测定饮用水中痕量溴酸盐的离子色谱方法进行了优化。

Trace bromate in drinking water was determined by ion chromatography with suppressed conductivity detector.

摘 要：采用抑制电导离子色谱法检测饮用水中的痕量溴酸盐。

Objective: To develop a method for the determination of trace bromate in drinking water by high performance ion chromatography with large volumn direct injection.

目的：建立一种简单快速，采用直接大体积进样，电导检测饮用水中痕量溴酸盐的高效离子色谱法。

Ion chromatography method for determining of Hydrogen bromide in air sample was described in this paper.

探讨环境空气中溴化氢的测定。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。