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The effects of the concentration of oxalic acid and temperature on this process were also studied.

目前，草酸电还原法虽已实现工业化生产，但国内对该工艺改进的研究仍在不断地进行和深入[1~3]。

The effects of concentration of sulfuric acid, temperature and time on acid leaching process were studied, and the regularity of these affecting factors was analyzed.

研究了酸浸过程中硫酸浓度、浸取温度、时间对铁浸出率的影响，分析了各个影响因素的规律性。

This suggests actinomycin D at certain concentrations could induce SL-1 cells apoptosis, which is much dependent on the concentration of dose of actinomycin D.

实验结果证明一定浓度的放线菌素D能诱导SL-1细胞凋亡，且成剂量正相关。

The effects of zinc deficiency on the serum cortisol and adrenocorticotrophic hormone concentration,and the cerebrum nitric oxide synthase activity in rats were studied.

就缺锌对大鼠血液皮质醇和促肾上腺皮质激素含量以及大脑皮质NO合酶活性的影响进行了研究。

The research probes into the feasibility on low concentration wastewater treated by inner cycle of aerobe in three-phase bio-fluidized bed and the growing characteristics of biological-membrane.

本研究探讨了好氧内循环三相生物流化床处理低浓度废水的可行性和生物膜生长特性。

Effects of Hg2 on agamogenesis of Egeria najasWhen Hg concentration was above 1.50mg/L, leaf of shoot fragment faded severely, compared to the control even the sprout also faded much.

Hg2 浓度l 。oom留L实验组中的侧枝新芽长度随着Hg2 浓度的增加而缩短，平均新芽长度在】。ocm以下。

The effects of concentration of reaction, hydrothermal time and the agglutinative temperature on the morphology of Co_3O_4 and the electrochemical performances were researched in our experment.2. Nickel oxide hollow spheres were obtained by hydrothermal method assisted with citric acid as"soft"template.

以柠檬酸三钠为软模板水热法合成前躯体，热处理得到核/壳状Co_3O_4，探讨了制备条件对其形貌及其电化学性质的影响。2、利用水热法以柠檬酸为模板制备了NiO空心球，SEM照片显示柠檬酸在形成空心球结构的过程中起到重要作用。

Calculation results show:(1) Initial concentration of SO〓 has great effect on utilization efficiency of limestone;(2) An optimal value of Ca/s is between 2～3;(3) the calculation results are good agrement with experimental results, they can explain the reaction nature of CaO and SO〓 under furnace injection.

计算结果显示：(1)初始SO〓浓度对石灰石利用率存在很大的影响；(2)当Ca／S在2～3之间存在一个最佳值；(3)计算结果与实验结果符合较好，可以反映炉内喷射条件下CaO与SO〓的反应。

By analyzing and researching on methane concentration in the monitoring space of adjacent sensors, function relationship between interval, alert time, air flow velocity and section area of roadway is concluded while theory base and methods of sensor interval is put forward for relative safety criterion.

结果表明：巷道瓦斯平均浓度与风速、巷道截面积、瓦斯涌出强度、传感器间距之间存在一定的函数关系，矿井监控系统所需要的最短响应时间是目前迫切需要解决的问题。

The effects of methanol concentration,methanol temperature,cell temperature and air state on the performance of self-installed passive DMFC are investigated.

研究甲醇浓度、甲醇溶液温度、电池温度以及阴极空气状态对被动式直接甲醇燃料电池电化学性能的影响。

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％。