The boiling water shrinkage and dry-heat shrinkage rate of HT are also the greatest among the three types of industrial PET filaments.
高模低收缩型、高强低收缩型涤纶丝沸水收缩率和干热收缩率均低于高强型涤纶丝;
The shrinkage and crimp behavior of CDP-FDY fibers at different drawn temperature after heat treatment are studied by means of boiling water shrinkage, hot shrinkage, crimp ratio and crimp rigidity.
通过沸水收缩率、干热收缩率、卷曲度、卷曲弹性率等一系列测试方法讨论了不同拉伸温度的CDP - FDY纤维热处理后的收缩和卷曲性能。
Durable, white, water - resistant, low shrinkage resin for stereo lithography for SLA system.
应用于立体光刻技术的耐久性,白色,防水和低收缩的树脂。
The influence of gypsum content on water demand, time of setting, strength and shrinkage of high Performance cementitious material is tested as warrant for optimizing gypsum content.
试验研究了石膏的掺量对高性能胶凝材料的需水量、凝结时间、强度、收缩性的影响,以此作为优化石膏掺量的依据。
The rate of water evaporation, shrinkage strain and the area of cracks increase with increasing exposure temperature and wind velocity, and with decreasing relative humidity.
混凝土的水蒸发速率、收缩变形、开裂面积都随着环境温度和风速的增加而增大,随着相对湿度的升高而降低;
The influence of different superplasticizers on drying shrinkage of mortar with the same water cement ratio and same sand cement ratio was investigated in this article.
通过试验研究了几种类型的高效减水剂在同样水灰比和砂灰比的情况下对砂浆干燥收缩性能的影响。
The self-shrinkage of concrete with higher water to binder ratio is negligible.
高水胶比混凝土的自收缩可以忽略不计。
The drying shrinkage strain develops slowly, since it is a function of the migration of the water through the hardened concrete.
干燥缩水应变发生较慢,因为它是一个水透过硬化混凝土的迁移作用。
Forging Materials, good water, and a smaller shrinkage conditions, fitness Cutting, bar.
锻造材料,良好的流水性,较小的缩水条件,适切削加工。
Water swelling and drying shrinkage due to moisture change is the expansive soil's characteristic which is similar to the thermal effect of material.
含水率变化时膨胀土体积会产生吸水膨胀或失水收缩,这与温度变化时一般材料的反应相似。
This paper showed the results of experimental study on the effects of different types and adding amount of alkali on the loss rate of water and the drying shrinkage of cement paste.
通过测量不同品种和掺量的碱对水泥基材料的水分损失量和自由收缩率,研究了在干燥条件下不同的碱对水泥基材料收缩性能的影响规律。
The autogenous shrinkage of HPC develops greatly and mainly during early age due to a low water binder ratio, but there is no standard test method for early autogenous shrinkage of the concrete.
高性能混凝土因水胶比低、自收缩大且主要发生在早期,而目前对于早期自收缩的测量还没有统一标准可依。
Besides, la with high water content is beneficial to restraining the plastic shrinkage cracking of LWAC.
此外,高含水率轻骨料更有利于抑制混凝土早期塑性收缩开裂。
Methods The flecture strength, hardness and shrinkage were compared in using microwave-cured and water bath-cured denture base resins.
方法采用微波能和水浴两种方法加热固化义齿基托树脂,进行挠曲强度、度和收缩率的对比分析。
Moreover, the relation between the loss rate of water and the drying shrinkage of binder paste is tight and namely free shrinkage was increased with the increase of loss rate of weight.
同时,发现碱作用下水泥基材料的水分损失与收缩过程密切相关,即浆体的收缩随着水分的损失更加明显。
The effect of various factors shrinkage property of slag based geopolymer concrete are studied by shrinkage test, such as content and modulus of water glass, liquid-solid ratio, gel material content.
通过混凝土收缩试验,研究了水玻璃掺量、水玻璃模数、液固比、胶凝材料用量等因素对无机矿物聚合物混凝土收缩性能的影响。
The mechanism of cracking is the different rates of water loss in different depths which caused the uneven shrinkage deformation.
揭示了裂隙产生的机理是不同埋深处土体水分丧失速率的不同,产生了不均匀的收缩变形。
The experimental results show that plastic Shrinkage relate to water to cement ratio and there is critical water to cement ratio.
通过试验研究了混凝土用水量、水灰比等混凝土配合比参数对混凝土塑性收缩的影响。
High Performance cementitious material is specially used for high Performance concrete. Propetties of that are high strength, low water demand, low hydration heat and low shrinkage.
高性能胶凝材料主要用于高性能混凝土,具有强度高、需水量小、水化垫低和收缩小等特点。
Effects of several factors of binders, including the total amount of binder, water binder ratio and the dosage of fly ash, on drying shrinkage of concrete are discussed in this paper.
通过试验分析了胶凝材料总量、水胶比、粉煤灰掺量对混凝土干缩性能的影响。
Test investigation on the chemical shrinkage or expansion of alkali-activated cementing materials and water-cement were carried out in this paper, in which water-cement was as control sample.
本文对碱激胶凝材料与水-水泥体系的化学收缩或膨胀进行了试验研究,其中以水-水泥体系为对比样。
The early water curing of concrete is longer and then the rate of late drying shrinkage of concrete is faster.
延长混凝土的早期水养时间,并不会减少混凝土的干燥收缩值,反而会使干缩速率加快;
The results indicate that with the increase dosage of fly-ash, the loss of water and drying shrinkage of cement paste increase.
结果表明:随粉煤灰掺量的增加,净浆失水率及干缩率随之增大。
Along with percentage of water loss and aggregate grade, the laws of small beam dry shrinkage strain and average dry shrinkage index.
小梁干缩应变、平均干缩系数随失水率、集料级配的变化规律。
The use of steam cycle use function, not only reduced the waste steam and water emissions, to better enhance the fabric pre shrinkage effect, thus reducing the steam and energy use.
采用蒸汽循环使用功能,不但减少了废汽和水的排放,更好地加强了布料的预缩效果,从而也减少了蒸汽和电能的使用量。
Aiming at these defects, a kind of special mortar for plastering aerated concrete with good workability, good water retention, high bonding strength and low shrinkage ratio has been prepared.
针对这些缺陷,研制了一种和易性好、保水性好、粘结强度高、收缩率低,适合加气混凝土抹灰用的砂浆。
Illustrated the uncovered polyurethane fiber as an example, the popular detecting points for semi products are given, such as the shrinkage in boiling water and elastic recovery.
以氨纶裸丝为例,介绍了氨纶织物半成品的检测要点,即目前常用的沸水收缩率和弹性回复率。
The shrinkage of the base decreases by the proper dosage water reducing agent.
适宜用量的减水剂降低了基层材料的收缩量。
The paper introduces a newly designed fabric shrinkage tester for measuring the shrinkage of fabric in water.
本文介绍了研制的织物缩水测试仪。
The paper introduces a newly designed fabric shrinkage tester for measuring the shrinkage of fabric in water.
本文介绍了研制的织物缩水测试仪。
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