contractional hypothesis是什么意思

用法例句

Mathematically modeling shrinkage during vacuum microwave drying of carrot slices;

微波真空干燥胡萝卜片过程中收缩变形的数学模型研究

The density and shrinkage of PVC injection mouldings;

PVC注塑件的密度与收缩

Effect of processing conditions on residual stress and shrinkage in injection molding;

注塑工艺参数对制品残余应力和收缩的影响

According to the procedure of injection molding,this paper presents a thought that the gate is the shrinking center of plastic products.

根据塑料注射成型流动过程的特点，认为塑件的收缩是以浇口为收缩中心，据此分析了塑料齿轮的收缩规律，并进行了实验验证。

Combined with the production and development of cracks in concrete structure,it analyzes the reasons of causing cracks in concrete structure from capacity and shrinking.

结合混凝土结构中裂缝的发生和发展,从承载力和收缩等方面分析了混凝土结构中裂缝产生的原因,并结合抗放结合的原则,从材料、设计、施工等方面提出了防治混凝土结构裂缝的措施,以期对实际的工程应用有所帮助。

The defination,producing principles and affecting factors of shrinking and changing of concrete are discussed in this article,the advice that accurate analysis and enough attention under long-term load should be given are brough forward,so as to ensure the normal usage of concrete structural component.

对混凝土收缩、徐变分别概述了它们的定义、产生机理及其影响因素,并提出应当对混凝土结构在长期荷载作用下产生的挠度变形进行精确的分析和足够的重视的建议,以保证混凝土结构构件的正常使用功能。

Effects of Gypenosides on contraction of isolated duodenum smooth muscle of rabbits;

绞股蓝总皂苷对家兔离体十二指肠平滑肌收缩活动的影响

Aim To develop the animal model of guinea pig chronic heart failure and detect effects of chronic heart failure on contractile/diastolic function and calcium transient in guinea pig ventricular myocytes by video-based motion edge-detection system simultaneously.

方法采用有无呼吸困难、左心室质量与体质量比值、肺质量与体质量比值、室壁厚度及血流动力学指标判断,以降主动脉缩窄法建立豚鼠CHF模型成功后,以酶解法急性分离其左室心肌细胞,用可视化动缘探测系统同步检测慢性心衰豚鼠心肌细胞收缩力和钙瞬变的变化,并与正常豚鼠心肌细胞进行比较。

The results showed that Shenghuazhixueying could contract mouse smooth muscle of womb and decrese NO of pregnant mouse smooth muscle of womb Shenghuazhixueying could increase contracture of wom.

以生化汤为对照组,观察生化止血饮对大鼠离体子宫平滑肌收缩的影响及对孕鼠子宫平滑肌匀浆中NO的影响。

Progress in research on shrinkage of tissue-engineered tissues;

组织工程化组织收缩现象的研究进展

Research on the affection of admixture types to the shrink of concrete;

外加剂类型对混凝土收缩影响的研究

Influence of Slay Micro-powder on the Shrink Performance of Concrete;

矿渣微粉对混凝土收缩性能的影响

Overexpression of β_1-adrenoceptors improves the contraction function in rat heart failure ventricular myocytes;

增加β_1-肾上腺素受体表达对心力衰竭大鼠心肌细胞收缩功能的影响

Influence of PDGF and TGF-β1 on RPE cell α-SMA expression and RPE cell-induced collagen gel contraction in rabbit;

PDGF和TGF-β1对兔RPE细胞α-SMA表达及收缩功能的影响

In vitro culture and auto-contraction of Sprague-Dawley rats’ skeletal myoblasts;

大鼠成肌细胞体外培养及其自发收缩特性