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Then the dynamic mathematical model for the whole unit of air source heat pump is founded with the parts of compressor model, airside heat exchanger model under frosting, heat exchanger model of water side and electronic expansion valve.

将压缩机模型、空气侧换热器结霜模型与水侧换热器模型、电子膨胀阀模型有机地结合在一起，构成了整个空气源热泵冷热水机组的动态模型。

The compressor is installed on isolation mounTSC to the baseplate to reduce noise and vibration.

在压缩机底架上安装隔绝装置可以降低噪音和振动。

A CPU controlled audio compressor and compander are used as well.

一个CPU控制的音频压缩和压缩的使用以及。

Pressure gauges shall be safety pattern and shall be liquid filled or furnished with pulsation dampeners for pulsating services including pump discharge and compressor applications.

现场压力表应是安全型并应是充液或配备用于振动工况包括泵出口和压缩机应用的振动阻尼器。

FELUWA hose diaphragm piston pumps offer the possibility of continuously feeding discharge and/or suction pulsation dampeners by means of the unique in-built pump piston compressor.

FELUWA 软管隔膜活塞泵借助于独一无二的内置活塞压缩机，提供了向进口和/或出口缓冲器连续补充气体的可能性。

It is important to develop and empolder oil-free scroll compressor.

因此，研制与开发高性能的无油润滑涡旋压缩机具有重大的现实意义。

Fir Fortunately Seiki leading products: 1, bulging packages (also known as the swelling sets, key-free bearings, bushings-free bond, the bond-free coupling, internal and external expansion sets) 2, coupling mainly patch-coupling, precision servo motor couplings, air compressor for flexible coupling, no backlash precision flexible coupling, the universal joint, the plum blossom - Shaft, etc.

杉幸精机主导产品：1、胀套(又称胀紧套，免键轴承，免键衬套，免键式联轴器，内外膨胀套)；2、联轴器(主要有膜片联轴器，精密伺服电机联轴器，空压机专用高弹性联轴器，无背隙精密弹性联轴器，万向联轴器，梅花型联轴器等)；3、扭力限制器(按照国际标准，可完全替代日本，台湾，欧美进口产品)。

Main contents of the thesis are as follows: Description of the present usage of liquid cooling system, presentation of a new type of liquid cooling system and description of its work principles; Design of the liquid cooling system, which mainly deals with the design and collating calculating of serpentine condenser and heat exchangers adopted in this system. Meanwhile, the model chosen calculating of compressor、thermal expansion valve、plate evaporator、water pump and the like equipment used in the system are also carried out.

本文的主要内容如下：对液冷源使用现状进行了描述，提出了一种新型液冷源系统并对其工作原理进行了阐述；对系统进行了设计，主要对系统中所采用的管带式冷凝器和水侧空/液换热器进行了设计和校核计算，同时对系统中所用到的压缩机、热力膨胀阀、板式蒸发器、水泵等配套设备进行了选型计算；分别对制冷系统和冷却液循环系统进行了数学建模。

A quasi one-dimensional, time dependent system model based on the parallel compressor theory was used to compute the effect of inlet distortion on turbine engine stability; Through Modifying steady state continuum equation, momentum equation and energy equation, the effect of power extraction and additional bleed on turbine engine running line was computed. Unsteady state continuum equation, momentum equation and energy equation were solved for computing the effect of acceleration on turbine engine running line.

其中，进气畸变对发动机气动稳定性影响的计算采用平行压气机模型，基于李亚普诺夫理论的方法完成；附加引气、功率提取对发动机气动稳定性的影响采用通过对发动机转子间质量、动量、能量守恒方程进行修正的方法进行；加速过程对发动机气动稳定性的影响采用欧拉方法求解动态的质量、动量、能量守恒方程的方法完成；最后采用&层迭&的方法进行各种降稳因素的综合评估。

The parameters and methods for evaluating bird impact damage of fan/compressor blade are discussed.

结合发动机设计准则与设计规范的要求，提出了2个用于评定叶片损伤能力的叶片变形损伤参数和塑性应变损伤参数；经对模型叶片在不同撞击位置进行的鸟撞击损伤评定，证明方法可

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐