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It's an effective measure of fast valving in improving the dynamic stabilities of power system and preventing the overspeed of steam turbines, but the fast valving technique available can satisfy the need of modern steam turbines no more. On the basis of the new type fluid logic valve, which combines the regulating systems and safety systems happily, the steam turbine EHC based on new principle is put forward, one of its outstanding characteritics is, the fast valving is operating in a closed control loop. For the implementation of control for steam generator regulation and safety systems with nonlinear mult-operating modes, a new methodology for designing a fuzzy logic controller is proposed, which is based on the combination of"error phase plane"and"variable universe of discourse". Application of a double-mode FLC with the new methodology is presented, the validity of the design methodolody is desmonstrated by test; A new methodolody is also presented to improve the design and tuning of a FLC using variable structure control theory.

本文还详细讨论了快关控制在提高电力系统暂态稳定性及超速保护中的应用，分析了现有的快关控制规律的局限性，研究出一种基于新型快关阀的汽轮机电液控制系统，其突出特点是使汽轮机闭环快关成为现实，指出这种基于新的组成原理与设计方法的汽轮机电液控制系统对不同工况下的适应能力；针对汽轮发电机组多工况、非线性的特点，提出一种把&误差相平面&方法与&可变论域&思想有机结合的双模FLC设计与调整的新方法，试验结果表明该系统具有良好的动、静态特性；为改善FLC控制规则的设计与调整，作者还介绍了一种把滑模变结构理论成功应用于模糊系统设计的新方法。

A crank arm connected to said operating crank is connected to and moved by a linearly movable operating shaft.

作直线运动的操作轴与曲柄连接，并驱动该曲柄。

Especially for the fluid containing sand, cutting may damage the sealing surface 5, soft sealing gate valve of the operating temperature limits by sealing material Valve When the need for good throttle Cast Gate, Globe, Check Valves control (such as control valves or bypass pipe had a small vent), the stop valve is the most appropriate Ball When the operating temperature between-29oC to 200oC, most manual valve suitable for hydrocarbon and utility systems operations, the use of the ball at 100oC above, applications should be carefully considered when the temperature of the soft sealing material limit should be more than 100oC.

尤其对于含有砂的流体，旋塞阀节流会损坏密封表面5、软密封闸阀的操作温度受密封材料的限制截止阀当需要好的节流控制（如控制阀的旁通管路或有小的排气孔）时，截止阀是最合适的球阀当操作温度在-29oC至200oC之间时，大部分手动球阀适应于烃及公用系统的作业中，在100oC以上使用的球阀，应用时要仔细考虑软密封材料的温度限制应该在100oC以上。

Though the simulation result is not accurate highly in part operating domains, the pressure and velocity distribution and other flow characteristics in whole flow path in all operating domain is also useful to analyze flow problems in dredge centrifugal pump.

虽然在部分运行工况模拟计算不是很准确，但计算的各工况压力、速度分布以及整个流道的其它流动特性，对分析挖泥泵的各种流动问题很有帮助。

Integrated consideration high pressure in all all sorts of operating conditions of course diesel engine, use modular design method, designed in all the control such as processing of starting control of management of move of control of capacity of course derv engine oil, course pressing control, operating mode, 4 phase, breakdown is politic.

综合考虑高压共轨柴油机的各种运行工况，采用模块化设计方法，设计了共轨柴油机油量控制、轨压控制、工况转移管理、4阶段起动控制、故障处理等控制策略。

For shipboard engines FOD screens, wire mesh moisture separators, and if operating in a high air particulate environment "Scott" foam pads are used to filter incoming air and keep the engine operating.

为舰上引擎FOD 屏幕，铁丝网湿气分离器，和如果经营在一个高空气属于颗粒环境& Scott &泡沫垫里被使用过滤接踵而来的空气和保留引擎经营。

Because the underwater operating systems such as the machine drilling shallow stratum core sample in deep sea, the video grab bucket and so on are small and agility, they are capable of exploring and operating in smaller bodies of water in addition to areas of the ocean that would be out of reach for a larger vehicle. Being autonomous requires that the system must be capable of performing without the need for human supervision, so use of external sensors such as sonar are needed to ensure the safety of the vehicle during missions.

由于目前水下操作设备如深海浅地层岩芯取样钻机、电视抓斗等具有体积小、操作灵活等特点，而且要求设备能够在无人操作的前提下工作，因此需要声纳式高度计来保证设备能安全地在水下工作。

First super-low specific-speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low; Secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. Therefore the H ~ Q characteristic curve is often hump-shaped, and at the low-capacity operating condition the instability often occurs; Thirdly the centrifugal pump at high-capacity operating condition is easy to overload because the N ~ Q curve appears a rising trend.

首先由于它的扬程较高、流量较小，所以它的流道狭长，圆盘摩擦损失较大，效率相对较低；其次由于它的流道扩散较严重，易在叶片进口产生回流和在出口产生脱流，扬程流量特性曲线易出现驼峰，在小流量工况下易产生不稳定现象；第三，由于其功率流量曲线呈现上升趋势，在大流量区运行时电机易过载。

As companies operating in a more successful game "Chibi" of the second quarter, a quarter of the entire contribution, in addition some of the existing MMORPG (large-type role-playing game) upgrade launched in the second quarter, operating income for online gaming 43.6 million U.S.

财报显示，由于公司运营得比较成功的一款游戏《赤壁》对二季度有整季度的贡献，此外一些现有的MMORPG升级版本推出，二季度在线游戏营业收入为4360万美元，环比增长13.2%，同比增长168.5%。

All operating room personnel should avoid exposure to roentgenograms. Proper lead-lined aprons should be worn beneath sterile operating gowns. Thyroid shields, lead-impregnated eyeglasses, and rubber gloves are now available to decrease exposure further.

手术室中全体人员应避免暴露于放射线下，无菌手术衣里可穿着专门的铅围裙，佩带甲状腺防护带及含铅的眼镜和橡皮手套，以减少在放射线下的暴露。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。