Classical methods of determining the mean ionic activity coefficient of the hydrochloric acid with hydrogen electrode are Laborious. The use of glass electrode affords a fast simple method for making this measurement.

1、

The Alteration of Extracellular Calcium Ionic Activity of Cerebral Cortex and Hippocampal Neurons in Epileptiform Rats Kindled by Coriaria Lactone

马桑内酯致痫大鼠大脑皮层及海马神经元钙离子活度的变化

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2、

Application of Extended Debye H ü ckel Equation to calculation of ionic activity coefficient for dry white wine was presented in this paper.

论述广义德拜-休克尔方程在准确计算干白葡萄酒的离子活度时的应用。

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3、

From vapour pressure or mean ionic activity coefficient of electrolyte aqueous solution, the exergy of binary solution can be obtained.

提出根据溶液蒸汽压或离子平均活度系数γ±计算二元电解质水溶液（火用）值的公式。

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4、

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

推算渗透系数及离子平均活度系数的新型半经验方程

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5、

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。

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6、

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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7、

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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8、

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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9、

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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10、

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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11、

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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12、

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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13、

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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14、

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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15、

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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16、

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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17、

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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18、

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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19、

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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20、

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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