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Relative study indicate that current doubler rectifier is misfit for high-voltage low-current apply.so This paper proposes a auxiliary net ZVS PWM full-bridge three-level converter, its" improved topology structure and its"topology family in different controlling mode. The principle of these converter is analyzed in detail. Simulation results verify the effectiveness of the proposed converter.

为了进一步简化辅助网络的结构，并解决轻载时，超前桥臂实现软开关困难的问题，提出了一种新型宽负载范围辅助电感ZVS PWM三电平全桥直流变换器，它在基本拓扑结构的基础上只需增加一个辅助电感，利用辅助电感的能量就可以实现宽负载范围内所有开关管的软开关，详细分析了该变换器的工作原理，进行了参数设计和仿真验证。

The view of social value, which centered on farming war and aimed at making China annexation, was of historical legitimacy. But it did not respect people"s will, did not care about people"s happiness, struck industry and commerce and knowledge activities such as wisdom advocacy of the Book of Songs, Collection of Ancient Texts; it excluded moral, took the sense of kindness, justice, courtesy, happiness, loyalism, integrity, honesty, faith, shame, etc. for "country harm" and banned. It destroyed humanity, fooled people and made people enjoy war and killing by controlling all social resources and by means of reward and punishment, and turned people into the tool of war.

其以农战为中心、以富强和兼并天下为目的的社会价值观具有历史的合理性，但并不尊重人民的意愿，不关心人民的幸福，打击工商业和《诗》《书》辩慧一类知识活动；排斥道德，以仁义礼乐贞廉诚信羞耻等为"国害"而加以取缔，通过控制一切社会资源，以赏罚的手段驱民农战，使人泯灭人性，愚昧无知，乐战好杀，完全变成战争工具。

In addition, effects of weld heat input on microstructure and performance of the weldjoints are analyzed. The test results indicate that by controlling weld heat input about 16kJ/cm and practicingmulti-layer weld process, the coarse austenitic grains in the weld metal and lumpish ferrite in the heat affectedzone can be avoided so that the microstructure and performance of the weld joints can be ensured.

结果表明，采用多道焊焊接工艺，严格控制焊接线能量在16 kJ/cm左右，可以防止T91钢焊缝区奥氏体晶粒粗大，避免在热影响区出现块状铁素体组织，从而保证焊接接头区具有良好的组织性能。

Three magnetic amplifier s, such as adjustable-damper controlling, speed-limited protection in deceleration segment, and automatic braking largely used in alternated-elevator system in nation's coal and metallurgy exhibit quickness and firmness.

我国煤炭和冶金矿山大量使用的交流提升机，控制系统采用的可调闸控制、减速段限速保护和减速阶段电气制动三个磁放大器装置，存在快速性、稳定性、对环境参数的依赖性、敏感性均较差等固有弊端，采用现代电子器件和先进的控制技术取代原控制系统中的1CF、2CF、 3CF三个磁放大器及其落后的控制技术，并增加全新的电子速度给定环节，改善提升机性能

Aiming at the limitations currently existing in controlling mine excavator with magnetic triggers,such as slow dynamic response of system,poor dynamic index and excavator characteristics,as well as complicated structure,etc.,the strategy of double closed-loop excitation electric adjustment,i.e.current inner loop and voltage outer loop,is adopted to design an advanced electronic integrated control system for mine excavator.

目前矿用电铲常见的是采用磁性触发器进行控制，存在系统动态响应慢、动态指标欠佳、电铲特性不理想、结构复杂等缺陷，采用电流内环和电压外环的双闭环励磁电调方案，设计了一种先进的电子集成电铲电控系统，详细介绍了系统电路结构，尤其是电压、电流调节器及其反馈电路与特性适配电路的基本原理和功能特点。

By using a speed sensor, it's applied in driving an electric current into a magnetic current and torque current and controlling them.

通过使用速度传感器，该矢量电动机将电流驱动至磁流以及转矩电流中，并对它们加以控制。

Proposed a new strategy which control both the on-ramp and mainline, which proved the feasibility of controlling mainline.

提出了一种新的同时控制主线和匝道的控制算法，证明了控制主线的可行性，并探讨了其适用性。

I will make allowances for his anger and irritation of today for he knows not the secret of controlling his mind.

我宽容怒气冲冲的人，因为他尚未懂得控制自己的情绪

of investigation: controlling quality of data gathering, revising infection of environment,make signals of beds engance.

研究认为数据采集的质量控制、环境影响的校正加强了测井曲线的地层响应。

In addition to achieving an understanding of the factors controlling behaviour, behavioural analysis can be seen as part of contingency management strategy, applying a somewhat aversive consequence to an episode of targeted maladaptive behaviour.

除了获得对控制行为因素的理解外，行为分析可以被看作是应急管理策略的一部分，将某种程度的厌恶后果应用于目标性适应不良行为的发作。

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％。