Soil pressure control is one of the most important technology of pipe pushing engineering with earth balance shield machine.
土压平衡式顶管掘进机机头泥土仓土压力控制是顶管工程中最关键的技术之一。
This paper mainly expounds problems paid attention to in plaster balance top pipe construction technology.
文章对泥水平衡法顶管施工工艺中应该注意的几个问题作了主要阐述。
Based on the meterial and heat balance calculation of single pipe reactor technology, some problems resulting in high ammonia consumption are exposed in the DAP plant.
对单管反应器工艺技术的装置系统进行物料平衡、热量平衡分析，从中发现装置存在的一些工艺问题，导致DAP产品的氨耗偏高。
Discusses the feature of balance valves, considers that balance valves should be used in place of the orifice, gate valves and stop valves in order to improve regulating function of liquid pipe.
分析了平衡阀的特点，认为为改善液体管路系统的调节功能，用平衡阀取代截流孔板、闸阀及截止阀势在必行。
The formations of the balance force for the spring with the cardan shafts of continuous pipe mill are derived and a method for designing the spring is presented in this paper. An example is given.
本文建立了钢管连轧机接轴弹簧平衡力的计算公式，提出这种弹簧设计的计算方法和步骤，并给出了计算示例。
Upper and under connection design which avoid water block, keep air smooth in the pipe, sure the pressure balance in the pipe, is good to improve drainage ability.
下部特殊管件设计，消除水舌、水塞、水壅等现象，保持立管内空气畅通，有效保证管道内的压力平衡，可大幅度提高系统的排水能力。
The updated mathematic models for calculation of the central pipe formotion in continuous cast billet are built up, based on the material balance and the previous published models.
通过物质平衡原理讨论并新建立了计算方坯中心缩孔的数学模型。
One-side arrangement for feed water pipe on drum is simple and the quantity of orifices on drum decreases, it adopts variable pitches in multi-orifices distributing pipe to balance water flow.
单侧进水的汽包配水管布置简单，并减少了汽包上的开孔数量，配水管上采用变节距分配孔以保证汽包长度方向上的均匀分流。
This paper introduces the theory of jacking pipe technology with balance of soil and water.
文章对泥水平衡法顶管施工工艺中应该注意的几个问题作了主要阐述。
With an example of a section of air duct with a tee, analyses the existing problems when adjusting pipe diameter according to the pressure balance formula and the causes.
以一段带三通的并联风管为例，分析了根据该压力平衡公式调整管径时存在的问题及其原因。
Distribution of flow volume for unsteady mass flow in the straight pipe was analyzed and modeled by means of momentum balance and energy balance.
通过动量衡算及能量衡算方法分析并计算了直管内变质量流体流动的流量分配。
The quick trunk injector comprises a reservoir pressure-meter, a spring balance, a transfusion pipe, a liquid valve, an air pinhead and a switch.
快速树干注射器主要由贮液瓶、压力表、弹簧秤、输液管、注药口、气门嘴、注射针头、开关等几部分组成。
The heat balance and characteristics of steady state circulation flow of a single loop pulsating heat pipe was studied with thermo-mechanical analysis.
分析显示，稳定循环时，系统循环体积功用于克服系统循环耗散功，而系统循环耗散功（热）与热管传热量呈一定关系。
Balance valves are generally installed in pipe network in order to resolve the hydraulic imbalance.
在处理管网系统水力失调问题时，通常加装平衡阀。
Analyses the radiator thermostat's role in heat metering. Gives an example showing how to apply the thermostat to solving hydraulic balance in double-pipe heating systems.
分析了散热器恒温阀在热计量中的作用，并以具体实例阐述如何在双管系统中应用恒温阀解决水力失调问题。
Analyses the radiator thermostat's role in heat metering. Gives an example showing how to apply the thermostat to solving hydraulic balance in double-pipe heating systems.
分析了散热器恒温阀在热计量中的作用，并以具体实例阐述如何在双管系统中应用恒温阀解决水力失调问题。
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