ion activity

Effect of metal ion on activity and hot stability of protease

金属离子对蛋白酶活力和热稳定性的影响

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The inhibition of copper ion on nitrification activity of nitrifying bacteria in sediment and activated sludge were studied.

研究了铜离子对底泥和活性污泥硝化活性的抑制作用的差异。

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The surface active agent of negative ion type restrains the activity of enzyme;

阴离子表面活性剂对酶有抑制作用；

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Study on the Lithium Ion Diffusion Activity in Li_xNiO

Li xNiO中锂离子扩散行为研究

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Ethanol Effect on Potassium Ion Channel Activity of Medulla Oblongata Neurons in Rats

乙醇对大鼠延髓神经元钾离子通道活动的影响

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Thus the more accurate results can be obtained after calibration of the ion activity coefficient.

文中还解释了强碱的空白值是由于未进行活度校正引起的，而且经活度系数校正以后可获得更为准确的结果。

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Using the Clay Membrane Electrode to Measure Single Ion Activity

用粘土薄膜电极测定单独离子活度的研究

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It was pointed out that two terms should be contained in the ion activity coefficient expression in the frame of Debye-H ü ckel theory, i.e. the electrostatic term and osmotic term.

指出Debye-H櫣ckel离子活度系数公式中，除了静电作用项以外还有另一项，称之为渗透项。

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Thermodynamic analysis of ion activity in welding molten slag for MgO-CaO-SiO_2 ternary phase

MgO-CaO-SiO2焊接熔渣离子活度的热力学分析

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Study on Insulin Secretion, Ion Channel Activity and New Type of Adsorption Materials

胰岛素分泌，离子通道性质及新型吸附材料研究

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CONCLUSION: Exhaustive exercise can result in the increases of concentrations of malondiadehyde and calcium ion and the activity of phospholipase A2, and the decrease of the activity of superoxide dismutase in myocardial mitochondria, and then lead to damages of myocardial mitochondria and myocardium;

结论：力竭运动引起心肌线粒体丙二醛、钙离子浓度及磷脂酶A2活性的升高，超氧化物歧化酶活性下降，造成心肌线粒体和心肌的损伤；

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Optimum zinc ion activity in seawater for egg hatching and nauplius metamorphosis of Penaeus chinensis

中国对虾（PENAEUS CHINENSIS）卵子孵化和无节幼体变态水环境中锌离子的最佳活度

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Effect of Calcium Ion on O_2-evolution Activity of PS ⅱ Particles

钙离子对PSⅡ颗粒放氧活性的影响

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A thermodynamic model with a modified ion activity coefficient was used to predict the gas-liquid phase equilibrium of the SO_2 absorbed by the sodium phosphate buffer solution and the phase equilibrium constant at the interface in the non-equilibrium stage model.

利用溶液电离平衡理论结合离子活度系数的修正，对磷酸钠溶液吸收模拟烟气中的SO2气液平衡进行预测，获得非平衡级模型中的界面气液平衡常数。

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Effect of Lanthanum Ion on Peroxidase Activity in Plant

镧离子对植物体内过氧化物酶活性的影响

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Recognition of Debye-H ü ckel theory – meaning and role of osmotic term in ion and solvent activity coefficient expressions

对Debye-Hückel理论的再认识&离子活度系数公式中渗透项的意义和作用

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Objective: To examine the effect of measures for conservation of enzyme, reaction time, pH, substrate concentration, enzyme concentration and metal ion on enzyme activity.

目的：考察酶源保存方式、酶促反应时间、底物pH值、底物浓度、酶浓度、金属离子等因素对酶活力的影响。

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Ion association and activity in h_2o-c_2h_5oh-mx ( nacl etc) systems

H2O-C2H5OH-MX（NaCl等）体系中离子缔合和活度

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BHLH proteins of group F have cation binding and zinc ion binding activity especially.

F类蛋白有阳离子结合，尤其是锌离子结合活性。

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Influence of atorvastatin on ion pump activity of smooth muscle cells and intima proliferation after arterial intimal injury

阿托伐他汀对动脉内膜损伤后血管平滑肌细胞离子泵活性和内膜增殖的影响

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Feedback regulation of acetylcholine ( ach) on ion channel activity in snake motor nerve terminals

乙酰胆碱对蛇运动神经末梢离子通道活动的反馈调节

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Drying and time of incubation effects on ionic activities and ion activity products of soil solution components

土壤干湿处理与储存时间对土壤溶液组分离子活度及离子活度积的影响

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With the pH determination as an example, the principles and methods in the determination of single ion activity a H+, the problems arising from the determination have been presented in detail.

以pH电动势法测定为例，详述了测定单离子活度aH+的原理、方法和其中存在的问题。

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After clomazone drift, wheat root ferric ion reductase activity neither significantly affected. 6.

异恶草酮飘移后，小麦根系铁离子还原酶活性均未受到显著影响。

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Study on the effection of atom-metal ion on the activity of cellulase and protease in the process of malting barley

大麦发芽过程中添加金属离子对纤维素酶和蛋白酶活力影响研究

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Results showed that crude CSPS, CSPS-1, CSPS-2 and CSPS-3 had different superoxide radical scavenging activity, hydroxyl radical scavenging activity, reducing power, lipid peroxidation inhibition effect and ferrous ion chelating activity.

结果表明，Crude CSPS、CSPS-1、CSPS-2、CSPS-3均具有不同的超氧自由基清除能力、羟自由基清除能力、还原力、脂质过氧化抑制活性、金属离子螯合能力。

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The results indicated that actions of dissolved zinc on egg hatching and nauplius metamorphosis are only relative to free zinc ion activity, not to total concentration of dissolved zinc.

结果表明，可溶性锌对卵子孵化和无节幼体变态的作用只与游离离子活度有关，而不是与其总浓度有关。

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AIM: To study the changes of the contractile responses and potassium ion channel activity in sphincter of Oddi ( SO) from rabbits with hypercholesterolemia ( HC), and elucidate the underlying mechanisms responsible for these changes.

目的：研究高胆固醇血症（hypercholesterolemia，HC）兔胆管Oddi括约肌（SO）收缩反应及钾离子通道活性的变化情况，并探讨其机制。

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It is well known that metal ion affects the activity of bio membrane.

在研究生物膜的结构与功能时发现，金属离子会影响生物膜的活性。

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Influence of acupuncture on Intracellular Calcium Ion Activity in Extra-Kinetic Skeletal Muscles of Rabbits

针刺对家兔超负荷运动骨骼肌细胞内钙离子活度的影响

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