This paper introduces basic formulas of elastic vibration of conveyor belt and the calculation of its vibration coefficients e. g. cylindrical rigidity and modulus of elasticity.
本文介绍高速输送带弹性振动的基本公式，阐述我国目前常用几种输送带的圆柱刚度和杨氏弹性模量等振动系数的计算法。
The study indicates that elastic modulus of the fallen rock in the goaf, the rigidity and setting load of support are the major factors that affect roof behaviour.
研究表明，采空区矸石弹性模数、支架刚度及初阻力是影响顶板动态的主要因素。
Fabric Stiffness Tester. To determine the bending height, flexural rigidity and bending modulus of fabric by simple procedures and calculation.
织物硬挺度测试仪，可通过简单操作及计算测出织物的弯曲高度、弯曲刚度、弯曲模量。
Fabric by tester dull color. gives degrees operation and simple calculation out the fabric of bending height, bending rigidity, bending modulus. Standard: ERT 50-2 ASTM D1388 bs3356.
织物硬挺度测试仪，可通过简单操作及计算求出织物的弯曲高度、弯曲刚度、弯曲模量。标准：ERT 50 - 2ASTM D1388 BS 3356。
Automotive interiors. 10% glass-reinforced. Increased stiffness/structural rigidity. High modulus/ductile. Foamed skin instrument panel uses also.
汽车内部件。10% 玻璃纤维增强。改良的劲度、结构刚度。高模量、高延性。也可用于泡沫塑料面层仪表板。
Experimental studies were conducted on concrete shear strength, static and dynamic modulus of rigidity and Youngs modulus.
对混凝土的抗剪强度、静力及动力剪切模量和弹性模量作了实验研究分析。
The result shows with the temperature increasing, tensile strength and modulus decreases but elongation increase and material properties change from rigidity to flexibility.
结果表明：随温度升高，定向有机玻璃的拉伸强度和拉伸模量降低，断裂伸长率增加，材料由刚而脆变得软而韧。
The result shows with the temperature increasing, tensile strength and modulus decreases but elongation increase and material properties change from rigidity to flexibility.
结果表明：随温度升高，定向有机玻璃的拉伸强度和拉伸模量降低，断裂伸长率增加，材料由刚而脆变得软而韧。
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