气动的

This paper analyzes the problems occurred to a fined coal bunker arc-shaped valve pneumatic control system during its operation and at meantime an economic and practical version to modify the pneumatic control system to a hydraulic control system is proposed.

分析精煤仓弧形闸门的气动控制系统在工作中出现的问题，提出了一种经济、实用的改气动控制系统为液动控制系统的方案。

According to the problem exiting pneumatic change direction valve,by using the good property of engineering ceramic material,a new pneumatic change direction valve with ceramic valve core as seal pairs have be designed.

根据气动换向阀存在的问题，利用工程陶瓷材料的优良性能，设计出采用陶瓷阀芯作为密封副的新型气动换向阀，并进一步阐述了陶瓷阀芯换向阀的工作原理和特点。

The pressure reduction principles with expander and with throttle regulator are respectively discussed, and their exergy depreciatory equations that can be use to calculate the power in pressure reducing processes are respectively deduced.

第二章对高压气动容积减压的新概念进行了定义；利用热力学的能分析法和火用分析法，推导出了对应节流减压和容积减压的能量特性方程和火用损失表达式，为减压过程中能量计算提供了有效工具；计算表明高压气动采用容积减压方式比节流减压方式有明显的节能效果。

This method is of great value in engineering application because it solves the problems of the existing pneumatic simulation software＇s incompetency when applied to PLC control program.

通过对组态软件的技术特点及可行性进行分析，提出将组态软件应用于气动自动化系统的仿真测试中，可以解决现有气动仿真软件不能对PLC控制程序进行仿真测试的问题，具有一定的工程应用价值。

Ln this paper the effect of the position and planform of the canard wing on the burst process of the leading edge vortices over thedouble delta wing and the aerodynamic characteristics of the fighterconfiguration with the double delta wing are presented Furthermore,optimum fighter with the canard-double delta wing has been given.

本文给出了鸭翼对双三角翼气动特性及涡的发展和破裂过程的影响，进而分析了鸭翼位置、平面形状对全机气动特性影响的机理，并提出了合理的鸭翼双三角翼布局形式。

Based on the radiation characteristic of air speedy object, taking into account the synthetic influence factors of the real configuration of object, sun radiation, space long-wave radiation and the environment radiation around object, a further study for the effect of scarfskin pneumatic heating up, used equivalent resistance to estimate inner heat-resource and gave prominence to the influence on scarfskin radiation caused by engine heat-scattering, a logical and effective IR imaging simulation model for airplane is presented in this paper.

从红外辐射和热传导基本定律出发，综合考虑目标实际结构、太阳辐射、天空长波辐射、气动加热及周围环境辐射等因素的影响，依据空中快速目标热辐射特性，分析气动加热对飞机蒙皮辐射的作用，运用等效热阻对内热源部分进行估算，突出发动机传热部分对飞机整体辐射产生的影响，并建立一种可靠实用的空中飞机红外成像仿真模型，仿真过程中结合对空实拍红外图像进行动态调整，目标模拟结果真实感较强。

Dealing with the high sweepback flying wing, the classical layout of the control surfaces is given, after the CFD computes, the dynamic characteristics of the control surfaces are analyzed, the variation of the dynamic parameters caused by the deflection of the elevator, aileron and the split-drag-rudder are studied to provide a reference to design the control system.

针对所建立的大后掠飞翼模型，给出了一套典型的操纵面布置方案，通过CFD计算后，对各舵面气动特性进行了分析，在升降舵、副翼和阻力方向舵偏转过程中对各气动参数的影响进行了研究，给控制系统的设计提供了依据。

Acting mainly the well-known brand, Panasonic Electrical Products; Hitachi motor; Hitachi electrical tools; SMC Pneumatic items; KOGANEI pneumatic tools; Mitsubishi Motors, various blades, raw material products; Kyocera blade products; OSG bit, cutter, Tap products; Sampoong measurement tools and measuring instruments categories related products; NT knife handle products; BIG knife handle category Products; FSK wheel products; THK linear guide, screw type; NSK, NTN, NACHI bearing; Omron electrical switch products; East electrical products; Youyan of oil Products; citizen lathe products; JAM the lathe, machining center fixture products; KHS the lathe, machining center fixture products; OKK processing center, and other processing equipment products.

代理的知名品牌主要有，松下电工系列产品；日立电机类；日立电动工具类；SMC气动件产品；KOGANEI气动工具类；三菱电机、各种刀片、原材料类产品；京瓷刀片类产品；OSG钻头、铣刀、丝锥类产品；三丰测量工具及测量仪器类相关产品； NT刀柄类产品；BIG刀柄类产品；FSK砂轮类产品；THK直线导轨、丝杠类；NSK、NTN、NACHI轴承；欧姆龙电器开关类产品；东方电机类产品；油研油压件产品；西铁城车床类产品；JAM的车床、加工中心用夹具系列产品；KHS的车床、加工中心用夹具系列产品；OKK加工中心等加工设备类产品。

A method is used to calculate the correlation dimension from a time series, and the correlation dimension is used to analyze the aeroacoustic noise signals of helicopter scissors tail rotor.

分析结果表明剪刀式尾桨引起的气动噪声含有混沌特性，同时对比理论和试验结果表明剪刀尾桨构型的参数对气动噪声有明显的影响。

Cascades are the basic unit of heat-work conversion in turbomachinery, and therefore its aerodynamic design theory and methodology has been the key subject in the area of turbomachinery aerothermodynamics all over the world.

叶栅作为叶轮机械热功转换的基本单元，其气动设计理论与设计方法的研究，一直是国内外叶轮机械气动热力学领域关注的重点。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。