离子的

It is well known that metal ions play important roles in the catalysis of a large number of different enzymes.

金属离子是许多不同酶分子中不可缺少的重要组成部分，并在酶的结构和功能中发挥着重要的作用，特别是含锌离子的酶，由于遍布于六大类酶中的每一类而更加引人注目。

Based upon a point-charge plus point-dipole model, the crystal-field splitting parameters for α-TiCl3 layer crystal and β-TiCl3 fiber-shaped crystal were evaluated and estimated, respectively, and the results were used to interprete the diffuse-reflectance spectra of these crystals recently reported in the literature.

本文采用点电荷加点偶极模型，对α-TiCl_3片状晶体和β-TiCl_3纤维状晶体的晶体场分裂参数分别进行了计算和粗估，并用所得的结果翻译了文献上所报导的一些漫反射光谱数据；同时也估计了熔盐中TiCl_6络离子和溶液中Ti(H_2O)_6~(+3)络离子的八面体场分裂参数，所得结果与实验值靠近。

This dissertation is concerned with the spectroscopic study of the millimeter-wave, near infrared and visible absorption spectrum of gas phase transient species.

本论文对与星际化学和大气化学密切相关的几种瞬态分子的气相吸收光谱和结构进行了研究，包括CN自由基，N_2~+离子和CS~+离子的电子振转光谱和HCBr自由基的纯转动光谱。

The adsorption of NH〓 in the 〓CO〓 solution and the adsorption of NH〓-N in the waste water from the Coking plant,Capital Iron and Steel Coripo ration by bentonite were investigated. The results show that the amount of 〓 adsorbed by particulate betonite (〓1. 68mm) and -200 mesh bentonite are 26. 39 and 8. 87mg/g, respectively; and the amount of NH〓-N in the waste water from the coking plant adsoybed by particulate bentonite, acid activated bentonite and -200 mesh bentonite are 32. 00, 21. 85 and 15. 62mg/g, respectively.

对膨润土吸附溶液中的 NH〓离子和从首钢公司焦化厂焦化废水中去除氨氮进行的试验研究结果表明，该膨润土对碳酸铵溶液中 HN〓离子的饱和吸附量是颗粒膨润土26.39mg/g、粉状膨润土8.87mg/g；对焦化废水中氨氮的饱和吸附量是颗粒膨润土32.00mg/g、活性膨润土21.85mg/g和粉状膨润土15.62mg/g。

According to the crystal-field levels probed in the spectra, the crystal field splitting of 2G7/2 manifold of Yb3+ ion in YOS is 709 cm-1, which is large enough for the quasi-three-level laser operation of Yb3+ ion.

由光谱数据计算得Yb3+离子的2F7/2能级在Y2O2S中的分裂值为709cm-1，适合于Yb3+离子的准三能级的激光运转。

Propagation of solitons is investigated on an inhomogeneous plasmas that contain two kinds of ions with different masses.

假设两种离子的分界面是有限长度并连续变化的，研究了由这两种离子组成的等离子体中孤子的传播。

The electric mechanism of α-cypermethrin based microemulsion formed by polyoxyethylene styrenyl phenyl ether and dodecyl benzenesulfonic salt combined with different kinds of antiparticles, and the phase behavior were investigated.

研究了结合不同反离子的十二烷基苯磺酸盐与苯乙烯苯酚聚氧乙烯醚(NR600)形成的高效氯氰菊酯微乳液的导电机理，以及反离子对体系相行为的影响。

A ion association complex (maximum absorbance at 550 nm) was formed after the reaction of I-3 and crystal violet to determine DO in water.

连云港金兆水务有限公司，江苏连云港 222005〖摘要〗在碘量法测定水中溶解氧的基础上，利用 I-3与结晶紫在聚乙烯醇存在下结合成电中性的离子缔合物，以碘酸钾为标准溶液，与过量碘化钾反应生成碘，加入结晶紫后在550 nm 处有最大吸收的原理测定水中溶解氧，优化了试验条件，考察了共存离子的干扰。

The results showed that the different solubility of anionic surfactants and the different binding degrees of the antiparticles had actions on the interfacial property of the microemulsion.

研究了结合不同反离子的十二烷基苯磺酸盐与苯乙烯苯酚聚氧乙烯醚(NR600)形成的高效氯氰菊酯微乳液的导电机理，以及反离子对体系相行为的影响。

Since the contribution of the spin-orbital coupling interaction of the ligand to optical and electron paramagnetic resonance spectra can not be neglected, the optical and EPR spectra g factors g‖、g⊥ and hyperfine structure constant A‖、A⊥ of LiHSO4:VO2+ crystal are calculated from the high-order perturbation formulas on the basis of double-spin-orbital coupling model and crystal-field theory for 3d1 ion in tetragonal symmetry.

考虑到配体离子的自旋－轨道耦合作用对光谱和电子顺磁共振谱的贡献不可忽略，采用3d1离子在四角对称下基于双自旋－轨道耦合模型的高阶微扰公式和晶场理论公式，理论计算了LiHSO4：VO2+晶体的光谱和电子顺磁共振参量g因子g‖、g⊥和超精细结构常数A‖、A⊥。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。