This paper introduces the features of the Biomembrane,and analyzes on the factors influencing the generation of the biomembrane in the drinking water-supply system,which include the disinfectant and its residual density in the system,the drug resistance of the microbes,the types and densities of the reducible compounds in the drinking water,the pipeline materials,and the water temperature,etc.
介绍了给水系统中生物膜的特征,分析了饮用水给水系统中影响生物膜形成的因素,包括消毒剂及其在系统中残留的浓度、微生物的抗药性、饮用水中含可还原性化合物的种类和浓度、管道材料以及水温等。
Through database language ‘Foxbase’, the computer management system for list of piping materials is built up.
用ＦＯＸＢＡＳＥ建立了化工设计管道材料表的计算机管理系统。
Study on H_2S Stress Corrosion of Buried Pipeline Material;
埋地管道材料的H_2S应力腐蚀研究
The Alternating Currents Corrosion Conduction Research on the Materials of Underground Pipelines;
埋地管道材料在土壤中的交流腐蚀行为研究
Study on the Failure Analyses Expert System of Boiler Tubes Materials;
锅炉管道材料失效分析专家系统的研究
Choosing of High-temperature Steam Pipe Materials for 1000MW Ultra Supercritical Pressure Units
超超临界压力1000MW机组高温蒸汽管道材料的选用
Investigation of the Thermal Aging Effect on the Tensile Property of Primary Pipe Material in Nuclear Power Plant
热老化对核电主管道材料拉伸性能的影响
caulking of lead fibres, for pipe joints
堵缝材料,铅丝制,用于管道连接
Elastomeric seat materials are not suitable for steam service.
弹性阀座材料不适合于蒸气管道中。
Standard for test method of pipeline coating patch materials
管道防腐层补片材料试验方法标准
The Automatic Spray Systerm of Pipe Insulating Material;
管道保温材料的自动喷填系统的设计
Field Effect Transistors with Polythiophene Active Layers
以聚噻吩为沟道材料的场效应管研究
Discussion on Insulation and Material Application of Hot Coal Gas Conveying Pipelines
浅谈热煤气输送管道保温及材料应用
Abstract: As a kind of functioning material, the dual metal pipe has a number of advantages when used for pipe line purpose.
文摘:双金属管是一种功能材料，作为管道输送材料具有许多优点。
Analysis on mechanical properties of the tubular textile composite material
管道修复用管状纺织复合材料的力学性能分析
Structure design of the tubular nonwoven composite material applied on pipeline rehabilitation
管道修复用管状非织造布复合材料的结构设计
the purposes of laying the submarine cables and pipelines, the materials to be used and their properties;
海底电缆，管道的用途、使用材料及其特性；
Standard for testing the freeze resistance of insulating material for housing water supply pipe
住宅建筑给水管道保温材料防冻性能测试标准
The computer generates isometric drawings and prints out bill of materials.
计算机绘出管道空视图，并打印出材料明细表。
Selection of Anticorrosion and Thermal Insulation Materials sind Structures of Buried Pipeline in Dagang Oilfield
大港油田埋地管道防腐保温材料及结构的选择