A safe and explosion proof test bench for measuring contractibility of detonating cord is developed in order to measure tiny change in length of a detonating cord with safety and accuracy in high temperature environment.
为在高温环境中安全准确地测量导爆索长度的微量变化,研制了安全防爆的导爆索收缩(性)测试台架。
The changes of contractibility of the intestinal smooth muscle are observed with the tensility of intestinal smooth muscle as the index through dropwise in vitro of neostigmine, atropine and adrenin on the serosa of small intestine.
以小肠平滑肌张力为指标,采用在离体小肠浆膜上滴加新斯的明、阿托品、肾上腺素的方法,引导小肠纵行平滑肌收缩(性)的变化。
It also carries on four levels of single-factor laboratory experiments with three sample soils: clay, cohesionless soil and sandy soil, concerning three elements: cement mixture ratio, age, water content in order to find out the contractibility under different test conditions, and also the permeabili.
试验选择粘土,粉砂土和粗砂土三种土质,采用室内试块试验的研究方法,选择水泥掺入比、龄期、含水量三种因素,分别进行了四种不同水平的单因素试验,研究水泥土在不同养护条件下的收缩(性),通过水泥土和混凝土咬合面渗透试验来检验两者咬合面的抗渗性。
Dilated-hypokinetic condition—special type of evolution of hyertrophic cardiomyopathy;
扩张性低收缩(性)状态——肥厚型心肌病的特殊演变
Changes of excitability and contractility in detrusor instability;
不稳定膀胱逼尿肌兴奋性及收缩(性)改变的实验研究
Objective To observe the effect of sustained +Gx exposure on contractility of rat diaphragm and explore its mechanism.
目的观察 +Gx作用对大鼠膈肌收缩(性)能的影响 ,并探讨其机理。
After greater splanchnic nerve transection, changes of contractility of mesenteric micro-lymphatics (ML) in denervated rat were visualized and recorded by using a vital microscope with TV recorder during hemorrhagic shock and followed by refusion of withdrawn blood and infusion of saline.
为了探讨交感神经对失血性休克过程中淋巴微循环变化的影响，应用显微电视录象技术，观察了切断内脏大神经的大鼠在失血性休克及输血、补液过程中肠系膜微淋巴管（ＭＬ）收缩(性)的变化。
Durability tests of the specimen,including tests of abrasion resistance,infiltration resistance,frost resistance(routine frost and coupling with the frost and salt),shrinkage(dryness and temperature) were done.
为了提高路面混凝土的耐久性,通过机理分析,将炼钢时的废渣磨细后,作为第6组分掺入水泥混凝土中,制作了高性能路面混凝土(HPPC)试件,并对掺磨细矿渣高性能路面混凝土试件进行了耐磨性、抗渗性、抗冻性(包括一般冻融和盐冻耦合)及收缩(性)(包括干缩和温缩)的试验。
The paper discussed the mechanics performance,the thin view structure,the contraction performance as well as abrasion resistance of cement concrete by reducing-water-powder.
研究通过自行配制的防裂高效减水剂改善路面水泥混凝土的力学性能、细观结构、收缩(性)能以及耐磨性能,以提高水泥混凝土路面的使用质量和寿命,并以铺筑试验路检测数据检验实际效果,为在特殊路段使用水泥混凝土路面提供广阔的应用前景。
The mechanic performance,the fine structure and the contraction performance of high-efficiency crack-proof concrete developed by adding EVA and water-reducing powder to cement are analyzed.
通过研究在水泥混凝土中加入由膨胀组份EVA粉及减水组份自行配制而成的防裂型高效减水剂,改善了水泥混凝土的力学性能、细观结构以及收缩(性)能,为特殊路段使用水泥混凝土路面提供了广阔的应用前景。
The mechanical,flowability and shrinkage performance of cement-based self-leveling material were discussed by the added quantity of fly ash,re-dispersionable glue-powder,cellulose ether and calcium oxide.
研究了粉煤灰、可再分散胶粉、纤维素醚以及氧化钙的掺量对水泥基自流平材料的力学性能、流动性与收缩(性)能的影响。