Characteristics of the synthetic resin and the linear expansion deformation cause of PP-R water supply pipes are discussed, according to the quality problems of PP-R water supply pipes in the water supply project due to the linear expansion.
针对无规共聚聚丙烯(PP-R)给水管在给水工程应用中因线性膨胀变形而出现的质量问题,论述了PP-R的特性及PP-R给水管线性膨胀的原因,介绍了给水管道系统中PP-R给水管变形的计算方法以及给水管道安装施工中进行PP-R给水管材伸缩补偿的措施。
The linear coefficient of thermal expansion of Germanium measurdat room temperature by thenew technique is(6.
本文用新技术（Ｌｉｕ，１９９３）测得单晶锗在常温下的线性热膨胀系数为α＝（６。
PP-R water supply pipe s linear expansion and its solution;
PP-R给水管的线性膨胀及其解决办法
Test on Expansion Factor of Cable Element by Method of Heating Water and Study on Prestressed Performance of Cable-stayed Structures;
水域加热拉索线性膨胀系数测试及斜拉结构预应力性能研究
coefficient of linear thermal expansion
线性热(膨)胀系数
Nonlinear Relationship of Inflation and Inflation Uncertainty in China;
中国通货膨胀与通货膨胀不确定性的非线性关系
guide-line for noninflationary wages increase
非通货膨胀性工资增长指导线
Shear Strength Characteristics of Expansive Rock in Middle Route of the South-to-North Water Transfer Project
南水北调中线膨胀岩非饱和剪切特性
Experimental Study on Non-liner Rheological Characteristics of Unsaturated Expansive Soils
非饱和膨胀土非线性流变特性试验研究
Effect of swelling deformation on stability of expansive soil slope
膨胀变形对膨胀土边坡稳定性的影响
testing method for coefficient of linear thermal expansion of plastics
塑料线膨胀系数测定法
Nonlinear Transition between Inflation Expansion and Deflation in China;
我国通货膨胀与通货紧缩的非线性转换
Effect of temperature on mechanical performance and thermal expand coefficient of aluminum foil
温度对铝箔力学性能及线膨胀系数的影响
Permeability Behavior of Expansive Rock of Middle Routeof South to North Water Transfer Project
南水北调中线总干渠膨胀岩渗透性状试验研究
Experiment Research on One-dimensional Swelling Pressure of Remolded Expansive Clay in Middle Route Project of South-to-North Water Transfer
南水北调中线工程膨胀岩一维膨胀力试验研究
open hyperinflation
开放性恶性通货膨胀
material with anisotropic thermal expansion
各向异性热膨胀材料
inflationary creation of currency
通货膨胀性的创造通货
inflation uncertainty
通货膨胀的不确定性
inflation of unplanned consumption
突发性消费基金膨胀