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A novel zero-voltage and zero-current resonant pole soft-switching inverter was proposed to achieve zero- voltage and zero-current switching simultaneously when main power devices turn-on and turn-off. Therefore, turn-on capacitive losses could be reduced for devices which the intrinsic capacitor value cannot be neglected. Additionally losses caused by the tail current can also be reduced, when IGBTs are used as main switches.

提出一种新型的零电压零电流谐振极型软开关逆变器，可以在主功率器件开通和关断时，同时实现零电压和零电流，因此对于内部电容不能忽略的器件，可减小容性开通损耗，当绝缘栅双极型晶体管(insulated gate bipolar transistor，IGBT)作为主功率器件时，也可减小拖尾电流引起的损耗。

The rank of the impedance matrix can be reduced by using this method. Thereofre, the CPU time and the memory storage are significantly reduced in solving the matrix equation.

用该方法对阻抗矩阵进行了降阶处理，使得求解矩阵方程所需的时间和所需存储量大大减少。

The results revealed that treatment with mannitol retarded cell senescence,enhanced the ability of cells to redifferentiation,and reduced the activities of both peroxidase and IAA oxidase.Although treatment with 6 BA reduced the activity of peroxidase obviously,the influence of 6 BA in IAA oxidase and cell senescence was not significant.

结果表明，甘露醇处理能延迟水稻细胞衰老，提高细胞再分化能力，降低细胞过氧化物酶和 IAA氧化酶活性；6- BA( 2 mg/L )虽然明显降低细胞过氧化物酶活性，但对 IAA氧化酶及细胞衰老无明显影响。

By eliminating waste, quality is improved, production time is reduced, and cost is reduced.

通过消除浪费，质量得到提高、生产时间缩短了，并且成本也降低了。

According to the theoretical basis of thermokinetics, the thermokinetic reduced parameter equation of opposing reaction has been derived, and the mathematical models of the reduced parameter method for opposing reaction have been established.

根据热动力学基本理论，推导了对峙反应的热动力学对比参量方程，建立了对峙反应对比参量法的数学模型。

Impedance matrix elements are computed by using fast Fourier transform, and reduced equation is solved by using diakoptic technique. Consequently, the computing time is reduced significantly.

阻抗元素计算和减缩方程求解，分别使用快速傅里叶变换和网络分解技术，从而大大提高了计算效率。

At 30mg/kg there is the best effective and induced the heart rate to be reduced by12.8%, systolic pressure and diastolic pressure by 12.5% and 16.3%.At the same time the cardiac max contractility and relaxtion have also been reduced by 12.5% and 16.3%.

在30mg/kg剂量时达到最佳作用效果，可使心率降低12.8%，动脉收缩压和舒张压各降低12.5%和16.3%，同时心肌最大收缩和舒张速率也分别降低了34.3%和39.4%，明显降低了高血压对心脏的压力。2、Rb1能够剂量依赖的降低L-NNA导致的慢性高血压模型的血压，并且对高血压心肌舒张功能障碍起到保护作用。

As time passed, ion concentration in the rhizosphere environment reduced at first, then increased, afterwards reduced.

根际环境离子浓度随时间变化趋势为先减少，后增加，之后又减少。

Test results showed that the bionic nonsmooth structures on the tail of the models can obviously reduce the drag due to the pressure drop, especially for the model riblet nonsmooth form, its pressure drag was reduced by 25.3%, and its total drag was reduced by 11.12%.

试验结果表明，布置在尾部的非光滑结构能够有效地降低模型的压差阻力，尤其是棱纹状非光滑形态模型，压差阻力降低了25.3%，总阻力降低了11.12%。

Because of the very high levels of integration, reduced component counts and reduced connector counts, SBCs are often smaller, lighter, more power efficient and more reliable than comparable multi-board computers.

正是由于高度集成，减少了组件数量，降低连接器计数， SBC是往往更小，更轻，更节能，更可靠的相比多了电脑。

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％。