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We used the numerical simulation, considered the variation of potential, electric field and carrier concentration in SITH, researched and expatiated the rule of increasing current in block-state, the mechanism of breakover phenomenon and the on-state voltage drop.

研究中采用了数值模拟的方法，从器件内部的电势、电场以及载流子浓度的变化角度，阐述了阻断态电流增长的规律、转折发生的原因、以及导通态压降和电流的变化特点。

The uncertainty of measurement for the determination of chloride content in water by silver nitrate titration method was evaluated.The influence of the factors on the uncertainty of measurement for the determination of chloride content were analyzed, including repeatability of measurement results, burette, the concentration of standard solution, etc.

氯化物进入地表水中有自然和人为两种因素，岩石风化可使自然界中的氯化物进入地表水中，同时工业及生活污水的排放和海水倒灌也会给地表水中引入大量的氯化物，地表水中氯化物含量的变化是监测排污和咸潮影响的重要指标。

The effects of the polymerization time,the concentration of butadiene and the amount of t-BuCl on t...

考察了聚合时间、丁二烯质量浓度和RCl/Al2H对原位环化反应的影响。

In the article, the numerical simulation software ANSYS is used to analyze the working stress distribution in butt joint and the effect of the geometric parameter on the stress concentration efficiency .

摘要通过数值模拟软件ANSYS分析对接接头的工作应力分布，找出了对接接头的几何参数对应力集中系数的影响。

Acidic extraction method was used to condensate butyraldehyde and get high concentration organic wastewater,and the influences of pH value,temperature, extracting agent and its amount on extracting effect were also discussed.

利用酸化萃取法处理丁醛缩合高浓度有机废水的思路，探讨了不同废水pH值、温度、萃取剂及萃取剂用量对萃取效果的影响。

Apoptosis of in vitro cultured granuiosa cells was significantly suppressed by IGF-Iand the effect was dependent on concentration.

IGF-I可以显著抑制体外培养的卵泡及颗粒细胞的细胞凋亡，并且同样具有剂量效应，IGF-I浓度为50ng/ml时效果最好。

The effects of reactant concentration, reaction temperature, pH value, additive and calcine on TiO2 crystalline size and morphology were discussed.

重点研究了反应物浓度、温度、pH值、添加剂和煅烧等条件对产物形貌和尺寸的影响。

Through the test in the field, the influences of the different concentration gradient of Calcium cyanamide on peanut's yield and economic benefit were studied in the same environmental condition.

方法］通过田间试验，在相同环境条件下，研究不同浓度梯度的氰氨化钙肥对花生产量和效益的影响。

The effects of sodium hydroxide concentration and chlorination temperature on effective chlorine content of calcium hypochlorite were tested.

测试了烧碱质量分数和氯化温度对漂粉精有效氯含量的影响，测试了分盐用标准筛目数对漂粉精有效氯含量和过筛率的影响。

Simulation investigations including monitoring of the river water quality, calculation of pollutants concentration distribution areas and model verification were performed on the water quality of the Yangtze River, which receives discharges from Three Gorges Project construction site.

对三峡工程建筑污水和受纳此污水的长江进行了水质监测，模拟计算了其浓度分布范围，对数值模型进行了校核，并在此基础上对最不利情况进行了预测。

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％。