另一方面,黑人男性却逆潮流而上,在2008年创下了预期寿命的新高70.2岁,和2007年相比增长了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.
你的所作所为和你说的话根本就是相逆的。
这两种契约环境相“逆”的情况,使得药品市场上问题重重。
This kind of "against" environmental situation makes the market full of problems.
研究了多重化逆变器的一种控制方法,采用逆推的方法确定各单元的触发脉冲,通过多重移相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.
提出了一种用于电网侧三相电压不平衡情况下的永磁直驱式风力发电机的逆变控制算法。
This paper presents a new converter control algorithm for the direct drive permanent magnet wind generator under the unbalanced three-phase source voltage.
方法通过均匀实验设计优化利多卡因脂质体的处方和制备工艺,以逆相蒸发-超声法制备LDH脂质体,再用卡波普为基质制成凝胶剂;
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.
结论逆相蒸发与钙融合法为制备HAKFA脂质体较理想的方法。
Conclusion Combined calcium induced fusion with reverse phase evaporation method is a feasible method for the preparation of HAKFA liposomes.
提出用三相逆变桥电路实现单相电容电机变频调速的方案。
The paper proposes a scheme of using three phase inverter bridge to realize VVVF of single phase capacitor motor.
本论文主要研究了同相逆并联三相桥式晶闸管整流装置在氯碱工业中的应用。
Same phase inverse parallel connection's three-phase bridge thyristor rectifier assembly was researched mainly the application in the chlorine-alkali industry.
本文致力于三相大功率在线式UPS逆变系统的研究,这种UPS 将被广泛应用于工业、民用和军用等。
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.
利用相平面、等效控制量等方法研究系统的动态响应过程、滑模运动区域和逆变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.
通过逆相蒸发法制备PST脂质体,重点探讨了不同组分原料对PST脂质体化学稳定性的影响。
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.
针对三相脉宽调制(PWM)整流器控制采用非线性反馈方法使控制器设计复杂化的问题,提出一种基于逆系统方法的三相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.
方法采用高效液相—电化学方法分析应激及 四逆 散活性成分对神经递质含量的影响 ,以探讨 四 逆 散活性成分抗抑郁的机制。
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.
电能由三相配电变压器经AC DC AC逆变电路输出传送到油管,经油管下部的油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.
以三相逆变电路为基础,阐述了如何将开环系统的控制方法用于闭环系统,并且介绍了这种新的控制方法在实际中的应用,证明了该方法的有效性。
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.
串联H桥多电平变频器的主回路从结构上可分为三相电容滤波不可控整流电路和单相电压型全桥逆变电路。
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.
对三相逆变电源的逆变电路、驱动电路、工作电源、保护电路和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.
晶闸管三相半波可控整流与逆变电路的电压波形是不同的,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.
晶闸管三相半波可控整流与逆变电路的电压波形是不同的,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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