• 研究了人工林马尾松纤维零距强度、细胞壁的纵向弹性模量硬度力学指标。

    The tensile strength, modulus of elasticity(MOE) and hardness of Pinus massoniana fibers were determined by using zero-span tension and nanoindentation technique.

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  • 利用随机介质微观力学方法纤维大小方向随机分布纤维复合材料弹性进行了计算

    The elastic modul of short fibre composite material whose fibres volume and direction are random distributed is calculated by means of the random medium micromechanics method.

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  • 主要研究不同弹性模量纤维聚丙烯纤维丙烯腈纤维混杂对水泥混凝土干燥收缩性能影响

    In this paper, the effects of the steel fibers of different elastic modules, polypropylene fibers and polyacrylonitrile fibers on the dry shrinkage of concrete are studied.

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  • 本文提出了一个计算单向纤维增强复合材料横向弹性模量松系数边界元计算

    This paper proposes a BEM computation model to calculate the transverse effective moduli and Poisson's ratios of unidirectional fiber reinforced composites.

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  • 微观结构改善是石墨纤维抗拉强度弹性模量提高的主要原因。

    This contributes to the increase of tensile strength and modulus of the graphite fibers.

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  • 调查项目为胸径容积密度纤维弹性模量性状

    The indexes are the wood property and character, namely, DBH, bulk density, fiber length, MOR etc.

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  • 通过湿热老化试验研究了APMOC纤维吸湿性能拉伸强度断裂延长率以及弹性随老化时间变化

    The changes of moisture absorption properties, tensile strength, fracture elongation and elastic modulus of APMOC fiber with aging time were investigated through the hygrothermal aging test.

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  • 研究纤维纤维长度泥土水灰比等纤维水泥土的强度抗压强度,抗拉强度弹性模量影响

    The effect of the amount of fiber, the length of fiber, the ratio of water to cement on tensile strength, shear strength, compressive strength and elastic modulus was investigated.

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  • 将与曲线拐点切线最大值水平直线交点相对应长径比值定义纤维临界比,相对应的函数定义为弹性模量临界值

    The critical aspect ratio of the fiber is defined as the crosspoint of the tangent value of the inflexion and the asymptote of the maximum elastic modulus.

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  • 对冻融循环试验结果研究,提出基于弹性模衰减纤维骨料混凝土冻融损伤

    The research to establish a model of freeze-thaw damage of fiber reinforced lightweight aggregate concrete for relative dynamic elastic based on experimental results has been done.

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  • 这种方法即简便又准确得到单向纤维强度弹性

    The strength and elastic modulus of unidirectional carbon-fiber fabrics can be tested precisely and easily by this method.

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  • 增加网络结点密度纤维硬度都会使网络弹性模量增加。

    The elastic property of the network will increase with the junction density and fiber stiffness of fiber networks. 4.

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  • 骨料高强度纤维混凝土的抗强度、初强度、弯曲强度、弹性弯曲韧性指数等主要力学指标进行了试验研究。

    The flexural strength, first crack strength, modulus of elasticity and flexural toughness of high-strength lightweight fiber-reinforced concrete were investigated.

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  • 方法:将纤维预浸织布埋入PM MA不同部位基托内,测定比较不同形式的碳纤维织布增强PMMA基托弯曲强度弹性模

    Methods: the carbon -fiber cloth were embedded in diverse positions of the PMMA denture -base. The bending strength and the modulus of elasticity were determined and compared among them.

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  • 研究主要考虑短纤维长径变化对复合材料应力传递弹性模量以及应力应变关系曲线的影响。

    The studies are focused on the stress transfer, elastic modulus and stress strain curve of the composite.

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  • 选用塑料纤维具有不同极限应变弹性模量纤维可以为碳纤维芳纶纤维玻璃纤维

    The plastic fiber selected has different ultimate tensile strain and elastic modulus, and the fiber can be carbon fiber, aramid fiber, glass fiber and the like.

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  • 发明涉及具有抗拉强度弹性纤维

    The invention is directed to carbon fibers having high tensile strength and modulus of elasticity.

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  • 表层单板纤维倾斜角对木—塑、—纤、木—金复合材料及木塑复合层压板木质复合材料速度动态弹性显著影响

    The results were summarized as follows:(1) Grain angles of face veneer have significant effects on sound velocities and dynamic Young's moduli of WP, WF, WM and WPPW.

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  • 表层单板纤维倾斜角对木—塑、—纤、木—金复合材料及木塑复合层压板木质复合材料速度动态弹性显著影响

    The results were summarized as follows:(1) Grain angles of face veneer have significant effects on sound velocities and dynamic Young's moduli of WP, WF, WM and WPPW.

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