查询词典 Ionic

It is pointed out that the main tendency of this study is gradually turned from the traditional solution theory or semiempirical model to statistical mechanics theory , from primitive to nonprimitive electrolyte model, in o rder to estab lish the mo lecu lar thermodynam ic model at h igh level,which can predict them acroscopic thermodynamic properties of electrolyte solution system from the microscopic molecular and ionic parameters.

指出电解质溶液的研究已逐渐从经典的溶液理论和半经验模型转向用统计力学理论进行研究，从电解质的原始模型转向非原始模型。从分子和离子的微观参数出发建立高水平的热力学理论模型，以预测电解质溶液体系的宏观热力学性质，是发展的必然趋势。

Alkalization characteristics of groundwater were described based on its ionic compositions.

针对地下水离子组成的特点，对该区地下水的苏打碱化特征进行了分析。

Compared with the previous method, the improved route can provide directly a spheroid form of immobilized lipase particles of which the size can be controlled by adding non-ionic surfactants during the preparation process so as to increase the recovery rate of enzyme as well as decrease the external diffusional restriction which can diminish the enzyme activity. The improved method can also alter the hydrophobicity and microstructure of the immobilized enzyme matrix by changing the molar ratios of different alkoxyl silanes so as to enhance the enzyme activity by a"surface active effect"and eliminating the internal diffusional restriction.

与前人的制备方法相比，改进的方法可直接制得球形的固定化酶颗粒，而且颗粒的大小可以通过在制备过程中加入非离子型表面活性剂加以控制，从而可以提高固定化过程的酶活回收率和减小外扩散效应对酶的表观催化活力的影响；改进的方法还可以通过改变原料硅氧烷的种类及配比来改变最终制得的固定化载体的疏水性质及微观结构，从而通过对脂肪酶的&界面活化&作用和减小内扩散效应提高固定化脂肪酶的表观酯化活力。

An AlTiN ceramic coating was deposited on the surface of biomedical Ti6Al4V alloy by High Ionic Pulse technology. The properties of biofriction and wear of AlTiN coating in simulated serum lubrication at 37℃ were investigated and compared with that of non-coating Ti6Al4V alloy.

采用高度离子化脉冲工艺在医用钛合金Ti6Al4V表面制备AlTiN涂层；在摩擦磨损试验机上测试了涂层在37℃的模拟人体生理血清液润滑条件下的摩擦磨损性能，并与之和未经涂层的Ti6Al4V合金作比较。

This paper deals with the intracavity interaction of lightfield with anharmonic lattice vibration of ionic crystal.

处理了光场与离子晶体的非简谐性振动之间的相互作用问题。

The results showed that adequate propionic anhydrate concentration (propionic anhydrate to menthol at molarratio of 1:1), proper enzyme amount and low water activity (water activity below 0.63) can increase selectivity of enzymatic reaction and improve resolution of menthol in ionic liquids.

结果发现，适量的丙酸酐浓度(丙酸酐和薄荷醇物质量比为1：1)、合适的酶量100 U·ml~(-1和较低的水活度(水活度小于0.63)有助于提高催化反应的选择性，改善酶在离子液体中对薄荷醇的拆分效果。

After the carboxymethylation,the solubility of pachyman in the water was significantly increased,its β-D-glucan characteristic absorption peak at 890 cm-1 became weak obviously,and its methylene vibration absorption peak and CO antisymmetrical stretch vibration absorption peak appeared at 1 333 and 1 606 cm-1 respectively,which indicated that the carboxymethylation succeeded.The analysis of AFM results showed that CMP molecules existed in different morphology under different solution conditions,and that the concentration,ionic strength and solvent physical chemistry characteristics of polysaccharide solution had effects on the CMP chains conformation and the action mode between different molecular chains.The phenomena were considered to be related to hydrogen bond association and intramolecular and intermolecular electrostatic interactions of CMP.

结果表明：经过羧甲基修饰，茯苓多糖在水中的溶解性显著增加，890 cm-1 处的β-D-葡聚糖特征吸收峰明显减弱，1 333 cm-1 处出现次甲基振动吸收峰，1 606 cm-1 处出现〖JG(〗C〖ZJLX，Y〗O〖JG)〗非对称伸缩振动吸收峰，表明羧甲基化成功；原子力显微镜分析表明：在不同溶液条件下，CMP分子以不同形态存在，多糖溶液的浓度、离子强度及溶剂的物化特性均能对CMP的分子链构象及链间相互作用形式产生影响，推测可能与CMP分子内、分子间的氢键缔合及静电作用有关，CMP分子与云母基底间的吸附及静电作用也会对CMP的分子链构象及图像质量产生影响。

Such parameters as ionic liquid catalyst system and H^+ proton donor, that affect the change of the organic phase and the mass of organic matter in residual phase of asphaltic sands, were investigated.

氯铝酸离子液体催化苯与1—己烯的烷基化反应-----[来源：化学世界日期：2003年4期] 研究了在具有Lewis酸性的氯铝酸离子液体体系中进行的苯与1-己烯的烷基化反应。

The catalytic degradation of asphaltic sand swas related to the kinds of chloroaluminate ionic liquids and H^+ proton donor.

结果表明以上各种离子液体均有很高的催化活性，反应转化率在短时间内达到100％。

The fact that the three additives and TP5 were with opposite charges in solution and therefore attracted each other electronically to form an ionic complex assumably explained the mechanism of their enzyme inhibitions.

经分析可能有两种肺酶参与TP5水解：中性内肽酶从肽链的C末端水解掉两个氨基酸残基，氨肽酶从肽链N末端水解掉精氨酸。

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％。