The shrinkage temperature(Ts) of the leathers tanned by the above agents were tested.
用红外光谱(FT-IR)分别证实了它们特有的官能团的存在;并对这些无铬鞣剂的分子结构进行计算机模拟,尝试从分子尺寸的角度解释收缩温度的差异。
When the determination criterion of the shrinkage temperature of leather is carried out,we find that there is too many problems.
皮革收缩温度是检验皮革产品耐用性能的一个重要指标,但是在执行QB/T2713-2005《皮革收缩温度的测定》时,却发现存在很多问题。
At the same time,the shrinkage temperature(Ts),physical and machine properties of the leather have been tested.
同时对鞣后革的收缩温度、物理机械性能等进行了测试。
Aiming at the thermal shrinking and dry shrinking of semi-rigidity base course.
针对半刚性基层易产生干燥收缩和温度收缩的问题,采用水泥稳定砾石、水泥稳定碎砾石、水泥稳定大粒径砾石的方案对半刚性基层的开裂问题进行了研究,并通过对试验路段的观测,分析了三种材料的抗裂性能。
Research of double expansive resources admixture compensating temperature shrinkage of mass concrete;
补偿大体积混凝土温度收缩的双膨胀源膨胀剂的研究
The dry shrinkage, temperature shrinkage and freezethaw cycling resistance of cementstabilized and fly ashlime macadam base were compared through experiments, and the factors influencing the deformation properties of cementstabilized macadam base were investigated.
研究了水泥稳定碎石和二灰稳定碎石用作路面基层材料时的干燥收缩、温度收缩和抗冻融循环性,并探讨了影响水泥稳定碎石上述性能的因素及其规律。
The basement wall of high building is very easy to appear temperature shrinkage cracking in early age due to super-long shear walls and stronger restraints.
高层建筑物地下室混凝土侧墙沿水平方向长而薄,其上部与下部分别受梁板与基础底板约束,在混凝土早期易出现温度收缩裂缝。
Since advances in cement and concrete technology and structural engineering,cracking phenomenon more and more results from thermal contract and autogenous shrinkage.
然而 ,随着对水泥与混凝土工程技术的不断研究发现 ,温度收缩和自身收缩的是引起开裂的主要原因。
Research on shrinkage temperature control in shrinking film packaging based on adaptive fuzzy method
热收缩膜收缩温度的自适应模糊控制研究
An Experimental Study on Temperature Dependence of Autogenous Shrinkage of High Strength Mortar;
高强水泥胶砂自收缩温度依存性的实验研究
Design Detection Instrument for Shrinking Temperature of Leather Based on Fuzzy PID
基于模糊PID皮革收缩温度测定仪控制系统设计
temperature contraction of pipes
管道因温度变化收缩
The initial shrinkage temperature and the shrinkage change little with the increase of heating rate.
升温速率增大,坯片开始收缩的温度及收缩率几乎不变。
When the cellular aluminum alloy is heated above710(° C), volume shrinkage occurs and the ratio of volume shrinkage increases with the temperature.
胞状铝合金在高于710°的温度下加热,其体积发生收缩,且收缩率随温度升高而增大.
Shrinkage stress was found to increase linearly with cure temperature.
我们发现收缩应力随固化温度直线增加。
Calculation of Shrinkage Compensation Concrete Wall Stress Considering Temperature History Effect
考虑温度历程的补偿收缩混凝土墙应力计算
Temperature Shrinkage Stress Analysis and Crack Control for Basement Wall;
地下室侧墙温度收缩应力分析与裂缝控制
Research on Solution of the Temperature and Shrinkage Crack Control in Overlong Concrete Structure;
超长混凝土结构温度及收缩裂缝控制方法研究
Study on the Temperature Contraction Crack Control in Reinforced Concrete Cast-in-place Floor Slabs;
钢筋混凝土楼板温度收缩裂缝的控制研究
Status Quo and Problems of Concrete Structures Temperature and Shrinkage Cracking Control;
混凝土结构温度及收缩裂缝控制的现状和问题
Analysis on the cast-in-place floor temperature-shrinkage crack mechanism and anti-crack measures
浅析现浇板温度—收缩裂缝机理及抗裂措施
On measures for controlling temperature shrinkage cracks on concrete poured concrete slab of some project
控制某工程混凝土现浇板温度收缩裂缝的措施
On suggestions for prevention and reduction of temperature shrinkage cracks on super-long concrete
防止和减轻超长混凝土温度收缩裂缝的建议
During the compression(or blast)phase, the temperature of the air rises and during the decompression(or suction)phase it falls.
在压缩（或爆震）周相下，空气温度上升，在非压缩（或吸收）周相下，空气温度则就下降。
The Research on Shrinkage Creep and Temperature Effect of Concrete Filled Steel Tubes on Long-span Arch Bridge;
大跨度钢管混凝土拱桥收缩徐变及温度效应研究
Too great a variation of amplitude in either temperature or humidity will aggravate the periodic contraction and expansion of the surface of rock.
温、湿度变化振幅过大，会加剧岩壁表层周期性收缩膨胀；