去离子

Simultaneous Scan-Selected ion monitoring mode is a new improvement method of data acquisition of gas chromatography mass spectrometry. The determination method of alkaloids in tobacco was established by Scan-SIM of GC/MS. Nicotine, nornicotine, anabasine and anatabine were determined with Scan mode, and myosmine, nicotyrine, 2,3'-Bipyridyl and cotinine were determined with SIM mode.

建立了应用气相色谱-质谱全扫描-选择离子监测数据采集方式同时测定烟草中8种含量相差较大的生物碱的方法，采用Scan模式分析烟碱、降烟碱、新烟碱、去氢新烟碱，同时采用SIM模式分析麦斯明、二烯烟碱、2，3′-联吡啶、可铁宁。

The use of iron chelators, Desferal and apomorphine, could effectively ameliorate the above changes.

而提前应用铁离子螯合剂去铁胺和阿扑吗啡后，则可拮抗上述变化。

The changes of free energy and enthalpy were calculated in terms of depolarization values on Al cathode. Thermodynamic meaning of depolarization was discussed in details and the empirical relation between binary alloy type and depolarization type was proposed.

根据锂离子在铝阴极上产生的去极化值求出铝和锂发生合金化反应的热力学意义，提出二元合金类型与极化类型之间的经验关系。

In chapter 2,the main research contents and typical works in theoretical research area on amino acids and oligopeptides were introduced.This includes studies performed on structures,electronic properties,weak intramolecular interactions,protonation and deprotonation,conformer conversion,metal ion binding,solution effects and etc.

第2章给出了氨基酸和寡肽分子体系理论计算领域的主要研究内容和研究热点，这包括氨基酸和寡肽分子的稳定结构，电子性质，内部弱相互作用，质子化和去质子化过程，构象转换，金属离子结合及溶液效应等多方面的研究。

But to understand sentience, we ultimately must try to connect thought to the simplest components of the brain—to such things as acetylcholine, potassium ions, proteins, and water—and tell a story that extends from them to "The Well-Tempered Clavier."

但是要去了解情感，我们最终需要去尝试将思想连结到脑子里的最简单元件—像是乙酰胆素，钾离子，蛋白质和水—从而说出一个故事并能延伸到〝巴哈的平均律〞。

Methods:For clean-up and concentration solid phase extraction with OASIS HLB cartridges were used,or membrane filter was used to remove dirties.

水样经Waters Oasis HLB 固相萃取净化，应用超高效液相色谱/电喷雾串联四极杆质谱仪多离子反应监测定量法检测莠去津、灭草松，建立了定量检测生活饮用水中莠去津、灭草松的快速、准确、高灵敏度的方法。

The kinetics of reconstitution of apoacylase with either 〓 or 〓 and the inactivation of the 〓 reconstituted enzyme by 1, 10-phenanthroline has been studied by following the substrate reaction continuously in presence of the metal ion or OP respectively. Although the native 〓-containing and the 〓-reconstituted enzymes have closely similar Michaelis constants and maximal velocities, the kinetics for both the inactivation by OP and the reconstitution of the apoenzyme with the metal ions differs considerably.

虽然钴重组的氨基酰化酶与天然含锌的氨基酰化酶在催化活性上比较相近，但两种酶在去金属失活动力学机制以及去金属失活的氨基酰化酶与两种金属离子重组复活的动力学过程均存在较大的差异，说明锌在氨基酰化酶中的作用比较复杂，并不能完全由钴替代。

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The identity of the gene encoding the mitochondrial K-activated acetaldehyde dehydrogenase K(+-ACDH of Saccharomyces cerevisiae has been confirmed. The gene is situated on the right arm of chromosome XV, bears the systematic name YOR374w and the deduced product shows significant homology to other members of the S.

中文摘要酵母菌醛类去氢酶4（YOR374w）是一种位在粒线体内的去氢酶，需要钾离子的活化，以及NAD+或NADP+当辅酶，在乙醇的代谢途径扮演很重要的角色，尤其是以乙醇当碳源的环境下。

AQP4 may facilitate rapid osmotic equilibration in epithelial cells in the organ of Corti, which are subject to large K+ fluxes during mechano-electric signal transduction.

在Muller细胞中，AQP4所调节的水分子转运能够调节光刺激所引起的视网膜中离子浓度平衡，尤其是钾离子浓度变化，并参与双极细胞去极化过程。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。