injection valve

The wastewater samples is transmitted by an air-operated aspirator to the liquid injection valve .

用气动吸引器将废水试样送入液体注射阀。

Failure Analysis of Injection Valve Nut of Diesel Engine High Pressure Oil Pump

高压油泵出油阀紧座断裂失效分析

Cleaning for HPLC injection valve A Bidirectional Air Valve and its Application

Air（初三适用）高效液相色谱仪进样阀的清洗

Design and Experimental Analysis of Driving Circuit for Fuel Injection Valve of Electronically Controlled Assembly Pump

电控组合泵喷油驱动电路设计及试验分析

The liquid-phase sample injection valve ensured the sampling reproducibility .

使用液相进样阀液态直接进样保证了试样的代表性。

The control system could detect and control heating , condensation , the flow control and inspection and control of the injection valve .

控制系统实现加热、冷凝、微流量、进样阀的检测与控制。

Pulse Width Modulation ( PWM ) was introduced to control the gas flow by governing the injection valve .

采用脉宽调制（PWM）方式控制天然气喷射阀的喷射量；

A new design manifold allowed for a system of one peristaltic pump and one injection valve to perform automatic preconcentration-elution .

新设计了颇具特点的一泵一阀自动预富集流路。

The fracture surface of a failed injection valve nut of diesel engine high pressure oil pump was investigated by visual and SEM .

对断裂的汽车柴油机高压出油阀紧座的宏观、微观断口及显微组织进行了研究。

The technique of column-switching could alter the connections between injection valve and column , column and column , column and detector .

柱切换是指利用多通路切换阀改变进样阀与色谱柱、色谱柱与色谱柱、色谱柱与检测器之间的连接关系的技术。

Carried out a detailed study on the flow characteristics of the gas injection valve and drive , and then chose the best gas injection valve and drive mode .

对天然气喷射阀的流量特性和驱动方式进行了详细研究，选择了适合本实验的天然气喷射阀和驱动方式。

This isocratic system consists of a high pressure solvent delivery pump , an UV / VIS detector , a manual injection valve , and a solvent tray , a column and a Chromatography Workstation .

产品信息整套系统由高压输液泵、检测器、进样阀、溶剂托盘、色谱柱、工作站软件等组成；

The sample was carried to the injection valve by a peristaltic pump and carried to the inlet of separation capillary by buffer solution , then sample injection into capillary was performed through the negative pressure set in the outlet of capillary .

样品由蠕动泵输送到进样阀后再由缓冲液带到分离毛细管入口，由毛细管出口端施加的负压引入。

The injection valve frequently opens and closes . They both result that water hammer and vibrates often occurs in the pipeline . This will probably damage the pipeline as well as attached equipments and threaten the operation of high pressure water descaling system in serious conditions .

由于除鳞管道内水压高、除鳞阀开启和关闭频繁，除鳞管道中常会出现水击和管道振动现象，严重时会对管道及其附属设备造成破坏，威胁高压水除鳞系统的安全运行。

Optimization of injection solenoid valve drive logic for an electronic diesel engine

柴油机电控燃油喷射电磁阀的驱动逻辑优化

Aviation jet engine lubricating oils secondary air injection relief valve

GB439-1990航空喷气机润滑油二次空气喷射减压阀

Secondary air injection relief valve image intensifier with transmitted secondary electron multiplication

二次发射电子倍增管二次空气喷射减压阀

Secondary air injection relief valve

二次空气喷射减压阀

Study on Injection Floating Valve Aerator

射流式浮球阀曝气器的研究

Gasoline injection Throttle valve Sensor ;

汽油喷射；节气门；传感器；

In order to satisfy combined simulation and optimization for the engine , the multi-objective and multi-parameter nonlinear restriction programming was performed using the Matlab code that transfered the import parameters such as the structural , injection , valve timing , combustion timing and other parameters to the simulation model .

用Matlab编制了多目标、多参数非线性约束优化算法程序，通过调用仿真计算模型，改变输入参数如压缩比、空燃比、点火提前角和气门正时等的输入数值，实现了联合仿真优化。

Performance of designed electromagnet valve is evaluated in MATLAB / Simulink where realistic model is built and affection of input voltage and injection pressure on valve dynamic performance are also presented by model .

在MATLAB／Simulink中建立了电磁驱动进气门的工作模型，通过动态仿真修正了初始设计方案，并研究了电压与进气压力等因素对气门动态性能的影响。

The flow diagram is transformed into new complex plan with conformal mapping and then the deflection angles and reduction coeficient of injection with different valve port angles and different relative sizes can be found by using source and sink distribution method .

本文利用源、汇分布法，通过将流动平面保角映射为新的复平面而得到了在不同阀口角度、不同阀口相对尺寸时射流的偏转角与射流的收缩系数。

Electronically controlled fuel injection system ; Solenoid Valve ; Diesel engine ;

电控喷射系统；电磁阀；柴油机；

The structure of the injection mould for the valve tee was introduced .

介绍了阀体三通管注射模的结构。

The gas lifting system is a narrow system extraordinary , including compressor unit , injection channel , lift valve and lifting passage .

气举系统是一个非常严密的系统，包括压缩机组、注入通道、气举阀和举升通道几个部分。

In order to meet the more and more high reliability requirement , it is necessary to study the structure of injection nozzle and delivery valve in the locomotive model16V280ZJ diesel engine .

为了满足对可靠性越来越高的要求，非常有必要对机车用16V280ZJ柴油机的针阀偶件和出油阀偶件设计结构进行研究。

Numerical Simulation of Injection and Mixing on Two-phase for Pulse Detonation Engine secondary air injection relief valve

脉冲爆震发动机两相流喷射混合过程数值模拟二次空气喷射减压阀

The technical line of the thesis is as follows : Formula of quantity of fuel injection is got by studying relation of quantity of fuel injection and needle valve lift , time of fuel injection , rotation speed and pressure , and quantity of fuel injection is displayed .

本课题研究的技术路线为：通过研究喷油量与针阀升程、喷油时间、主轴转速、喷油压力等的关系，推导出精确的喷油量计算公式，最终由显示器显示喷油量。

For same fuel injection , the residual HC concentration and the residual ratio have no remarkable variety with retarded injection timing , and the combustion in the cylinder became worse when the injection happened after intake valve opening .

喷射相同燃料时，推迟喷射时刻对于残留HC浓度和残留比例没有明显影响，若喷射燃料发生在进气门开启之后时，由于燃料与空气混合不良，将导致缸内燃烧的恶化。