查询词典 ions

In their structures, polyanions are bridged by Ln ions via the coordination of the bridging oxygen atoms and terminal oxygen atoms, forming a W–Ot′–Ln–Ob–W linkage; and through the W–Ot′–Ln–Ob–W linkage a one-dimension infinite linear chain with alternating cations and anions is formed.

在相似的合成条件下，我们向原有体系内加入顺丁烯二酸作为有机配体，合成了化合物7，其7的基本结构和化合物1-6很相似，但有一个顺丁烯二酸阴离子取代了一个NO3-离子的位置。

The influence of the substrate concentration, temperature, pH value, the concentration of certain inorganic ions(Mg, Mn, NH4 +), actinomycin D and α-amanitin on the polymera

观察了底物浓度、温度、pH等与转录活性的关系；探讨了Mg~、Mn~、NH_4~+等离子和放线菌素D、α-Amanitin对转录活性的影响。

If one begins by examining why ancients refer to Amazons , it becomes clear that ancient Greek de script ions of such societies were meant not so much to represent observed historical fact -real Amazonian societies - but rather to offer "moral lessons" on the supposed outcome of women's rule in their own society .

如果我们先研究一下为什么古人会提到亚马逊人，下面的一点就变得清晰了，那就是古希腊对于这种社会的庙睡不是太多的被用来表达观察的历史事实——真正的亚麻逊社会的——而是为了对于妇女在其社会中的统治的预期后果提供一种"道德教导"。

The recognition properties of these amide derivatives for several kinds of metal ions were studied with UV-Vis spectroscopy.

利用紫外－可见光谱研究了它们对不同金属离子的识别作用。

In this artical,the yeast was modified with several chenical methods such as acidification and dried at different temperature,the acetone processing,sodium hydroxide processing,esterification and cover up the amidogen,and studied it to adsorb the copper ions .

采用酸化并在不同温度下烘干、丙酮处理、氢氧化钠处理、酯化及掩蔽氨基等化学方法对酵母菌进行修饰处理，分别研究其对铜离子的生物吸附情况。

It is found that the particle size may be controlled by modulating the quantities of nitric acid and ammonium hydroxide, the quantities of the residues carbonate ions are affected by the quantities of the citric acid and ethylene glycol.

通过调节硝酸和氨水的用量可以控制粉体的粒度，柠檬酸和乙二醇的用量影响产物中碳酸盐的含量。

Bladder infections provide a perfect environment in the cat's bladder for magnesium ammonium phosphate ions in solution to begin to form crystals.

膀胱感染提供了一个完美的环境中，猫的膀胱为磷酸铵镁离子在溶液中开始形成晶体。

One kind of composite with redox activity was prepared by ammonolysis of 3,4,9,10-perylenetetracarboxylic dianhydride,o-phenylenediamine and variable valence transition metal ions of Co~(2+).

利用苝四甲酸酐与1，3-丙二胺的胺解产物、邻苯二胺、变价过渡金属离子Co~(2+)制备了新型具有电化学活性的物质，该物质电子传输性能好，电极反应可逆，可以作为电化学活性探针使用，而且因其含有很多氨基，便于进一步结合纳米金。

The effects of metal ions should be considered in the process of Endothelium corneum amylase.

鸡内金炮制加工过程中要注意金属离子的影响。

We discussed the ionization mechanism and the alignment mechanism responsible for the fragment ions'anisotropic angular distribution in detail.

对电离机理以及碎片离子的各向异性分布的原因进行了详细讨论。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐