open nozzle

A combination way of open absorption heat pump (OAHP) used to recycle the waste heat produced in the workshop section of evaporation of chlorine-alkali is discussed.

提出了一种用于回收氯碱蒸发工段废热的吸收式热泵的开式组合方式 (openabsorptionheatpump ,OAHP) ,推导了OAHP的理想循环效率COPrev的表达式 ,并通过计算机模型研究了这种开式吸收式热泵的热力学性能 ,分析了在不同操作条件下 ,热力学性能变化的原

The design for operation characteristic mold of the centrifugal casting machine is to design the relevant craft course,choose the technics projects and technique requirements.

对开式离心铸造机模具设计是设计出相关的工艺过程,选择、确定工艺方案和技术要求。

In the open die forging,the type of flash has great influence on the process of forging.

开式模锻中飞边槽的形式对锻件成形过程的影响较大。

Study on lubricant of open gear and its applications;

开式齿轮润滑剂应用研究(一)

Inquiring into Open Gear Lubrication of Rotary Kiln;

回转窑开式齿轮润滑探讨

Strength analysis of open gear for winch sluicegate hoist based on reliability theory;

基于可靠性理论的卷扬式启闭机开式齿轮的强度分析

Control of nether roof during primary caving at double open type face;

双开式工作面初放期间直接顶控制

The renovation of the connecting and locking equipment of open frame in roughing down mill;

粗轧机开式机架连接锁紧装置的改进

It is introduced that opening heat pump ethylene rectify process and technology in Mao Ming ethylene plant in this paper.

介绍了茂名乙烯裂解装置开式热泵乙烯精馏流程和技术,分析了开式热泵乙烯精馏技术的能耗和投资,并与常规乙烯精馏技术进行了比较。