• 一方面,黑人男性潮流上,2008创下预期寿命新高70.2,和2007年增长0.2岁。

    Black men, on the other hand, bucked the trend and reached a record-high life expectancy of 70.2 years in 2008, up by 0.2 years compared to 2007.

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  • 的所作所为的话根本就是的。

    What you said and what you did contradict each other.

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  • 两种契约环境情况使得药品市场上问题重重。

    This kind of "against" environmental situation makes the market full of problems.

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  • 研究了多重变器的控制方法,采用推的方法确定单元触发脉冲通过多重叠加原理得到正弦波输出。

    A new control method of multiunit inverter is described, which determines the triggering pulse for each unit to obtain the sine wave output through multiple-phase shifting superimposition principle.

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  • 提出种用于电网侧电压不平衡情况永磁风力发电机控制算法

    This paper presents a new converter control algorithm for the direct drive permanent magnet wind generator under the unbalanced three-phase source voltage.

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  • 方法通过均匀实验设计优化利多卡因脂质体的处方制备工艺,蒸发-超声法制备LDH脂质体,再用卡波普基质制成凝胶剂;

    The LDH liposome was prepared by the reverse-phase evaporation and ultrasound method, the carbopol was added as a support base for the preparation of the liposomeal gel.

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  • 结论蒸发融合制备HAKFA脂质体较理想方法

    Conclusion Combined calcium induced fusion with reverse phase evaporation method is a feasible method for the preparation of HAKFA liposomes.

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  • 提出桥电路实现电容电机变频调速方案

    The paper proposes a scheme of using three phase inverter bridge to realize VVVF of single phase capacitor motor.

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  • 本论文主要研究了并联桥式晶闸管整流装置氯碱工业中的应用

    Same phase inverse parallel connection's three-phase bridge thyristor rectifier assembly was researched mainly the application in the chlorine-alkali industry.

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  • 本文致力于大功率在线式UPS变系统研究这种UPS 将广泛应用工业民用军用等。

    Three-phase inverter of large power on-line UPS, which is widely used in industry, civil and military and so on, is over-all studied in this dissertation.

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  • 利用平面、等效控制量等方法研究系统动态响应过程滑模运动区域稳定输出范围等问题;

    The sliding mode domain and equivalent control method are used to analyze the dynamic response process and steady range.

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  • 通过蒸发法制备PST质体重点探讨了不同组分原料对PST脂质体化学稳定性影响

    This subject is on how to get PST liposome through reverse-phase evaporation method, and the key is to research the effect of staples on the chemical stability of PST liposome.

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  • 针对调制(PWM)整流器控制采用非线性反馈方法使控制器设计复杂化问题,提出一种基于系统方法的三pwm整流器的反馈线性化控制方法。

    Aiming at the complicated design of three-phase PWM (Pulse Width Modulation) rectifier by using nonlinear feedback method, a linear feedback approach based on inverse system method is presented.

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  • 方法采用高效液电化学方法分析应激 散活性成分神经递质含量影响探讨 四 散活性成分抑郁的机制

    Methods HPLC ECD techniques were used to analyze the influences of chronic stress and ACSP on the levels of monoamine neurotransmitters in order to understand the antidepressive mechanism of ACSP.

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  • 电能配电变压器AC DC AC电路输出传送油管,经油管下部套管接触器连接到套管,形成一个完整的回路。

    Electric power is output to the oil tube, which is connected with the bushing by the oil bushing connecter on the bottom of the oil tube, via a 3-phase transformer after AC-DC-AC inverse circuit.

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  • 电路基础阐述如何系统控制方法用于闭环系统,并且介绍了这种新的控制方法实际中的应用,证明了该方法有效性。

    On the basis of three-phase inverting circuit, this paper describes how to make the control method of open loop system in closed loop system.

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  • 串联H多电平变频器回路从结构上可分为电容滤波不可控整流电路电压型全桥变电路。

    The series H-bridge multilevel converter's power circuit is composed of uncontrolled rectifier with filtering capacitor and single phase H-bridge voltage-type inverter.

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  • 电源电路驱动电路、工作电源、保护电路稳压反馈电路进行了设计研究

    Then the article designs and researches inverter circuit, driver circuit, working power supply, voltage regulator feedback circuit protection circuit of three-phase inverter power.

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  • 管三可控整流电路电压波形是不同的,而共阴极接法与共阳极接法的波形又有所不同。

    The wave shape of Voltage in 3-phase controlled rectification is not as same as it does in circuit. The wave shape of common-cathode circuit is also different with that of common-anode.

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  • 管三可控整流电路电压波形是不同的,而共阴极接法与共阳极接法的波形又有所不同。

    The wave shape of Voltage in 3-phase controlled rectification is not as same as it does in circuit. The wave shape of common-cathode circuit is also different with that of common-anode.

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