the application of back pressure vapor of steam turbine in recovery of chemical products is introduced.

介绍承德焦化煤气股份有限公司，把汽轮机背压汽用于化产回收的使用情况。

eventually we will have lowered the back pressure enough so that it is now equal to the pressure at the nozzle exit .

最终我们将有降低回压足以使现在是相等的压力，在喷嘴出口。

high back pressure type compressor (evaporation temperature-5 to 15 ℃), general for room air conditioners, dryer, heat pump, etc.

高背压式压缩机（蒸发温度-5～15℃），一般用于房间空气调节器、除湿机、热泵等。

a new automatic back pressure adjusting system of unloading valve of slide for the purpose of protection of die to meet requirements of adjusting back pressure value of press slide.

为了更有效地保护模具，达到满足用户对压力机滑块背压值进行调整的要求，开发设计了一种新型的现代化的滑块卸荷阀背压自动调节系统。

this paper presents the design and working principle of reflective and back pressure pneumatic sensor.

介绍了气动测量中常用反射式和背压式气动传感器的设计与工作原理。

there isn ta uniform method of calculating the affection of back pressure to electric power of steam turbine at present.

目前，确定背压变化对汽轮发电机组电功率的影响尚没有一种统一的计算方法。

so this paper put forword a new type axial compliant mechanism scroll compressor , this compressor has two double temper back pressure chamber.

由此提出了一种新型轴向柔性涡旋压缩机结构，此结构具有能够进行双调节的两个背压室。

according to flow in a different, balanced spool valve the pressure can be pre-pressure, can also be a back pressure valve .

根据流向不同，平衡阀芯所受的压力可以是阀前压力，也可以是阀后压力。

back pressure higher than 80%, to row non-condensing gas, diaphragm solid, long life, easy maintenance, using a wide range.

背压率大于80%，能排不凝结气体，膜盒坚固，使用寿命长，维修方便，使用范围很广。

the regenerating process of the dpf system was proven effective through controlling the exhaust flow rate and the back pressure of regeneration point.

后处理系统通过废气流量及再生点背压对红外再生过程进行控制的方法是有效的。

this article introduces the technical application of high back pressure turbine combined thermal equivalent, and compares the high back pressure to low back pressure.

文章介绍小背压机实施热功联产差压作功的技术应用，并就高背压和低背压两方案行了分析比较。

complex pipe can be established by the method of back pressure pigging, caliper.

复杂的管道可采用建立背压的方法进行清管、测径。

surface conductivity is usually independent of back pressure and screw speed.

表面导电性通常不受背压和螺桿转速影响。

at present heat rate calculate of the double back pressure turbine is according to single back pressure turbine, which brings deviation of heat rate calculate.

目前双背压汽轮机是按单背压汽轮机来进行热耗率计算的，由此带来热耗率计算的偏差。

casing back pressure valve plays a important role in well cementing operation as a casing accessories.

套管回压阀作为一种简便的套管附件，在固井施工作业中起着重要作用。

high back pressure of exhaust manifold , rapid change in load, scavenge fire and so on.

高背压的排气系统，在负载快速变化，清除火灾等。

back pressure in type compressor (evaporation temperature-20 ~ 0 ℃), general used for cold drinks ark, milk refrigerated containers and other.

中背压式压缩机（蒸发温度-20～0℃），一般用于冷饮柜、牛奶冷藏箱等。

fast response and high flow is often critical to maintaining tank pressures in back pressure applications.

快速响应和高流动性，往往关键维护应用在反压罐压力。

according to the application and can be divided into low back pressure type, back pressure type, in high back pressure type compressor.

按应用范围又可分为低背压式、中背压式、高背压式压缩机。

it shows that the effects of back pressure on penetration, spray cone angle, and decline rate of centerline velocity and concentration of the spray are greater than that of fuel injection pressure.

背压对贯穿距离、喷雾锥角、喷雾轴心速度和浓度衰减率的影响均大于启喷压力。

the relation between mixer back pressure and minimum fan pressure was developed, which could used to select the fan when design a premixed burner.

提出了混合器出口背压与所需风机的最小压头之间的关系式可以用于预混燃烧器风机的选取；

one possible explanation is that they deal with questions that have no definite answers, so there「s no back pressure on people」s opinions.

其中一个可能的解释就是他们所讨论的问题并没有一个确切的答案，因此对于某些人的观点并不会形成压倒性的优势（back pressure）。

increasing back pressure due to external factors has great impact on the structure and intensity of shock waves, and so affects the induced separation of boundary layers.

外界存在多种因素引起隔离段反压增加，将直接影响到进气道内波系的结构和强度，进而影响到因激波诱导而分离的边界层情况。

the research result shows that this principle and method provide a new thought to the design of back pressure pneumatic gauge .

研究结果表明，该原理和方法为背压式气动量仪的设计提供了一种新的思路。