查询词典 air pressure

Balancing valve have some great pressure within the air-conditioning equipment to limit the maximum flow, automatic constant flow characteristics, in the large-type, complex, air conditioning load is not constant heating works, a simplification of the system into debugging, and shorten the debugging time.

平衡阀具有在一定的压力范围各种阀门种类和原理内限制空调末端设备的最大流量、自动恒定流量的特点，在大工型、复杂、空调采暖负荷不恒定的工程中，简化了系统调试过成，并缩短了调试时间。

Balancing valve have some great pressure within the air-conditioning equipment to limit the maximum flow automatic constant flow characteristics in the large-type complex air conditioning load is not constant

平衡阀具有在一定的压力范围内限制空调末端设备的最大流量、自动恒定流量的特点，在大工型、复杂、空调采暖负荷不恒定的工程中，简化了系统调试过成，并缩短了调试时间。

Based on the test results, it analyzes the effect of atmosphere pressure on the 50% lightning impulse discharge voltage U50 of the long air gaps, and obtained the relationship between the U50 and air gap distance d.

本文首次在大型多功能人工气候室内对长0.5～2.0m 的棒－板空气间隙雷电冲击50%放电电压与气压的关系进行了系统试验研究。

ATMOSPHERIC PRESSURE, Pressure of air due to the earth's atmosphere, expressed in pounds per square inch or inches of mercury or millibars.

大气压力，由于地球周围的大气而产生的空气压力，以每平方寸多少磅或多少寸高水银柱或毫巴来表示。

ATMOSPHERIC PRESSURE,Pressure of air due to the earths atmosphere,expressed in pounds per square inch or inches of mercury or millibars.

大气压力，由于地球周围的大气而产生的空气压力，以每平方寸多少磅或多少寸高水银柱或毫巴来表示。

First, we adopt MEMS technology to fabricate micro venturis with different widths of 150 and 200 um respectively and utilize FLUENT software to analyze the flow fields. Air was set as the working fluid and the air mass flow rate of inlet is changed to obtain the pressure drop between inlet and outlet. When a flow passes through the throat, the backflow results in the symmetric separations occur and grow with the increase of mass flow rate.

在微文氏管的研究部分，首先利用微机电制程技术制造出两种不同尺寸的微文氏管，宽度分别为150及200微米，开口角度各为45°，总长则为10 mm，再以空气作为工作流体，利用不同质量流率来量测微文氏管进出口的压力差并配合FLUENT软体分析观察其流场分布的情况。

Both the desiccant brine (12) and air are heated in the air drier (17), and the hot brine when in the vacuum chamber (11) has a temperature above atmospheric, which provides a higher vapour pressure and its water is readily vaporised.

脱水剂盐水（12）及空气在空气干燥器（17）中加热，在真空室（11）中热盐水有高于大气的温度，其提供更高的蒸汽压，其水分容易蒸发。

Applications Construction of industrial commercial or residential air handling operations Suitable for operating temperatures up to 120°C with maximum air velocity of 10 m/s and static pressure of 50 mm water gauge Benefits Non-combustible (Tested to SABS 0177 Part V) Class I fire index (Tested to SABS 0177 Part III) Integrated system Reduces manufacturing, material and insulation costsroduct can be tailor-made to suit the application Can be used in conjunction with metal and flexible ductwork Modifications can be fabricated on site Can be pre-grooved or grooved on site Low thermal conductivity Non corrosive Excellent sound reduction Controls condensation

应用 工业商业或住宅建筑空气处理操作适用于工作温度与10米，最高风速可达120℃/ s和50毫米水表静压优点不可燃（经测试可SABS规格0177第五部分） I类火灾指数（经测试可SABS规格0177第三部分）集成系统降低制造，材料和绝缘costsroduct可以度身订造，以满足特定的应用可用于金属管道和灵活的结合修改可以在现场制造可以预先槽槽或网站导热系数低非腐蚀性出色的声音还原控制凝结

The following cases, to go with locator: 1, medium pressure high pressure big time; 2, valve diameter is large Forged Gate, Globe, Check Valves (DN 00); 3, high or low temperature control valve; 4, the action necessary to raise the speed control valve; 5, using standard signal, the operation of non-standard spring when the implementing agency (20 ~ 100KPa spring outside the range); 6, when used for sub-process control; 7, when the valve to achieve the reverse action (air to close each open-type gas conversion); 8, need to change the valve's flow characteristic time (you can change the positioner cam); 9, no spring actuator or piston actuator, the proportion of action to achieve the time; 10, electrical signals to operate pneumatic actuator must Distribution - gas valve positioner.

下列情况下，要配定位器： 1、介质压力高、压差大的时候； 2、调节阀口径大时（DN00）； 3、高温或低温调节阀； 4、需要提高调节阀的动作速度时； 5、用标准信号、操作气动管路截止阀非标准弹簧的执行机构时（20～100KPa以外的弹簧范围）； 6、用于分程控制时； 7、使阀门实现反向动作时（气关式和气开式互相转换）； 8、需要改变阀的流量特性时； 9、无弹簧执行机构或活塞执行机构，要实现比例动作时； 10、用电信号去操作气动执行机构时，必须配电-气阀门定位器。

The following cases, to go with locator: 1, medium pressure high pressure big time; 2, valve diameter is largeForged Gate, Globe, Check Valves (DN 00); 3, high or low temperature control valve; 4, the action necessary to raise the speed control valve; 5, using standard signal, the operation of non-standard spring when the implementing agency (20 ~ 100KPa spring outside the range); 6, when used for sub-process control; 7, when the valve to achieve the reverse action (air to close each open-type gas conversion); 8, need to change the valve''s flow characteristic time (you can change the positioner cam); 9, no spring actuator or piston actuator, the proportion of action to achieve the time; 10, electrical signals to operate pneumatic actuator must Distribution - gas valve positioner.

下面所开列情况下，要配定位器：一、介质压力高、压差大的时辰； 2、调节阀口径大时（DN00）； 3、高温或低温调节阀； 4、需要提高调节阀的动作速度时； 5、用标准旌旗灯号、操作气动管路截止阀非标准弹簧的执行机构时（20～100KPa以外的弹簧范围）； 6、用于分程节制时；七、使阀门实现逆向动作时（气关式和气开式互相转换）； 8、需要改变阀的流量特性时；九、无弹簧执行机构或活塞执行机构，要实现比例动作时； 10、用电旌旗灯号去操作气动执行机构时，必须配电-气阀门定位器。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。