1)  backpressure turbine
背压机
1.
This paper presents conversion of superheat steam for heating into both heating feed water by its sensible heat and heating sestem by its latent heat, in order to increase the steam intaking of backpressure turbine and then to increas power generating output.
讨论了将背压机的过热排汽外供采暖改为将过热排汽的显热用于加热锅炉给水,而将其潜热用于采暖供热,从而增加背压机的进汽量,达到提高发电机组出力的目的。
2)  high back pressure steam turbine unit
高背压机
3)  backpressure steam turbine
背压机组
1.
The alteration to circulate water system of an backpressure steam turbine;
背压机组循环水系统的改造
4)  25MW extraction back pressure unit
25MW抽汽背压机组
5)  self adjusting back pressure mechanism
自调背压机构
1.
A new type of self adjusting back pressure mechanism with two back pressure chambers is designed, and the operating principle of self adjusting back pressure mechanism for scroll compressors is analyzed systematically in this paper.
设计了一种具有两个背压腔的新型自调背压机构，并系统地分析了带有这种自调背压机构涡旋压缩机的工作原理。
6)  Backpressure
背压
1.
An algorithm of backpressure in scroll compressors with axial compliance mechanism and development of its CAD;
背压机构涡旋压缩机的背压算法及其CAD开发
2.
At extruding,a forge piece's cup port is exerted pressure by a backpressure sleeve,depending on the backpressure sleeve to restrain offset of male die,which solves the problem that its orifice is out of flat high and low and its wall thickness is uneven,notably decreasing material consumption.
介绍了一种精密挤压钢碗的新型模具,挤压时锻件杯口有背压套施压,且依靠背压套限制凸模偏移,解决了孔口高低不平和壁厚不匀的问题,材料消耗显著降低。
3.
In addition, the gas film has significant influence on billet quality, and the gas backpressure increases with the gas volume increasing, and decreases with casting speed increasing.
研究了气膜连铸稳定操作的必要条件 ,发现气体的背压随气体流量的增大而增大、随拉坯速度的增大而减小 ,这为进一步改进连铸工艺和结晶器的设计提供了重要实验依据 。
参考词条
补充资料：压塑压机
分子式：
CAS号：

性质：指塑料压塑模塑用的压机，一般用自给式液压机，通过模板对塑料施加压力、开闭模具和顶出制品。主要参数有公称吨位、压板尺寸、工作行程和柱塞直径，它们决定着压机所能模压制品面积的大小、厚度以及所能达到的最大模压压力。从结构上分，有上压式和下压式压机；按操作分，有手动、半自动和全自动压力。

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