电流测定

By the relation of current and temperature, the diffusion activation energy of depolarizer was determined.

由电流与温度的关系测定了去极剂的扩散活化能和D〓。

Also, the determination of ascorbic acid in practical samples was evaluated and the results are satisfactory.

在优化条件下，催化电流与抗坏血酸的浓度在1.2×10〓～2.4×10〓mol/L范围内成正比，并测定了维生素C片中的抗坏血酸，结果满意。

Back electromotive force was measured by continuous pulse-computer and the influencing factors for back electromotive force and current efficiency were studied in detail.

研究了在SrCl2-SrF2-BaF2的电解质体系中熔盐电解法制备高浓度Al-Sr合金，采用连续脉冲-计算机法测定电解过程的反电动势并且对反电动势和电流效率的影响因素进行了详细的研究。

The quantitative analysis of hydroxyl radical can be done through the determination of the peak current and the fluorescence intensity.

通过测定峰电流和荧光强度的变化可以间接测定羟基自由基以及抗氧化剂对羟基自由基的清除能力。

In the presence of magnetic field and Fe3+ with high concentrations, Magnetohydrodynamics effect was caused in the stripping voltemmetry. More metal ions were deposited on the electrode surface, and then the stripping peak current of metal and the sensitivity of the detection were obviously increased.

在金属的溶出伏安法测定中，磁场和高浓度的Fe3+的共同作用产生的磁流体动力学效应使得更多的金属离子沉积在电极表面，使金属的溶出峰电流明显提高，极大地提高了测量的灵敏度。

With glycerol triacetate and emulsion of soyabean oil as a substrate, by determining the current responded from the microbial electrode to the substrate, the esterase and lipase activity could be determined.

以三乙酸三甘油酯及豆油乳液作为底物，通过测定微生物电极对底物的响应电流来测定微生物体内酯酶及脂肪酶的活性。

This method was applied to simultaneously determine the active ingredients in one Chinese compound hypotensor named Zhen Ju Jiang Ya Pian, in which the contents of clonidine hydrochloride, hydrochlorothiazide and rutin is very different as 0.03mg : 5mg : 20mg per tablet, and satisfactory results were obtained by adjusting their sensitivity by selecting the suitable diluting agent.

复方降压药珍菊降压片中活性成分盐酸可乐定、氢氯噻嗪和芦丁的含量分别为每片0.03mg∶5mg∶20摘要mg，由于盐酸可乐定的含量比氢氯唾嗦和芦丁低很多，因此要实现三种待测样品的同时测定比较困难，而我们通过选择合适的稀释溶剂调节三种待测样品的电流响应，实现了这三种待测样品的同时分离，测定结果令人满意。

However, for a femtoampere level of current, it may be better to use the coulombs function of an electrometer to measure the change in charge over time and then use those charge measurements to determine the current.

对飞安级电流，用静电计的库仑表功能测量整段时间的电荷变化量和用这些电荷测定电流更好。

To determine the content of ascorbic acid in vegetables with the constant current coulometry method, dead-stop method was used for the detection of end point of the coulometric titration.

以恒电流库仑分析法测定了蔬菜中抗坏血酸的含量，以死停终点法指示库仑滴定终点，测定结果与国标规定方法相吻合。

We adopted Karl-Fischer method to measure the moisture of electrorheological fluids and discussed the effect of different moisture on ERF.

采用卡尔-费休法测定了配制的电流变液中的含水量，讨论了不同含水量对钛酸钡的电流变性能的影响。

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％。