A Novel Semi-Empirical Equation for Calculation of the Osmotic Coefficient and the Average Ionic Activity Coefficient

Parameters are fitted to vapor pressure, density and mean ionic activity coefficient data.

参数由拟合蒸汽压、密度和离子平均活度系数数据获得。

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；

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。

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

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

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。

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

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

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

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。

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。

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。

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。

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

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

Study on the Lithium Ion Diffusion Activity in Li_xNiO

Li xNiO中锂离子扩散行为研究

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

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

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

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。