• 密度落叶松人工林纤维形态特征物理特征化学特征重要影响生长轮宽度外,其它指标差异显著

    Planting density has significant effects on fiber morphology, physical and chemical properties of Lalix olgensis wood. Except growth-ring width, remarkable differences was found in other indexes.

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  • 结果表明:混凝土强度分别纤维体积增大混凝土强度等级的提高而增大。

    It shows the axial tension initial cracking strength of concrete increases with the increasing of steel fiber volume ratio and enhancing of concrete strength grade separately.

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  • 不仅推出了强度极限强度计算公式,而且还给出了纤维混凝土损伤方程

    The calculation formulae of initial crack and limit strength are derived. The foundation equation of harm mechanics of steel fiber concrete is given here.

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  • 测定了不同纤维量下混凝土冲击次数破坏冲击次数以及冲击

    The initial-crack, fracture impact cycle number and impact energy of these concrete beams with different fiber dosages are also tested.

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  • 发明涉及包含核化茂金属聚丙烯长丝纤维

    The present invention relates to as-spun fibers and filaments comprising a nucleated metallocene polypropylene.

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  • 轻便板式结构优质聚酯合成纤维过滤材料阻力,防火性

    The light panel structure, the high quality PET synthetic fiber filter material is with features of low initial pressure, good fire-proof function.

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  • 通过纤维素刚果红培养基筛,滤纸失重实验筛,35种微生物中有4表现出较高纤维素酶活力。

    In advantage of cellulose-congo red medium and weight losing test of the filter paper, 4 out of the above-mentioned 35 strains showed higher enzyme activities.

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  • 1990以来天然纤维增强复合材料静态中等受力状态下应用例如帽子支架汽车车顶和汽车内部衬里众所周知的。

    Natural fiber reinforced composites are well known for static and middle stressed applications such as the hat rack, the car roof or the indoor car interior lining since the beginning of 1990.

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  • 骨料高强度纤维混凝土的抗强度强度、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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  • 纤维在基体中的分布产生了一定取向性。

    After primary press, the carbon fibers showed some directional distribution.

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  • 该文垂直倾斜半环多级组合对撞流干燥系统为研究对象,通过对木质纤维进行含水率气流流量、气流温度带载率等系统参数实验研究,探讨木质纤维的对撞流干燥特性。

    This study focuses on the influence of initial fiber moisture content, air temperature, air flux and loading ratio on the drying efficiency and quality of wood fiber in impinging stream-drying system.

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  • 结果表明:(1)随着紫花苜蓿不断生长SDF含量下降IDF含量升高选择花期紫花苜蓿提取膳食纤维

    The results showed as follows, (1) it is better to extract DF by selecting alfalfa at the beginning of florescence, because the content of SDF declined while IDF increased with the growing of alfalfa.

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  • 2008烟台最大韩国独资服装企业——世刚纤维有限公司30名韩籍高管集体外逃事件更是引起社会各界广泛关注

    In early 2008, more than 30 executives in Shigang Fiber Limited Company, the biggest Korean owned garment enterprises in Yantai, escaped together. The event attracted wide attention in the society.

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  • 借助弯曲荷载-挠度全曲线,分析了纤维类型韧性指数和裂荷载影响。结果表明,钢纤维混凝土抗弯强度、极限强度和弯曲韧性纤维的增大而提高。

    Through the load-deflection curves of SFRC, the effects of fiber kinds and fiber content on the first-crack strength and the flexural toughness of SFRC were contrasted with those of concrete.

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  • 借助弯曲荷载-挠度全曲线,分析了纤维类型韧性指数和裂荷载影响。结果表明,钢纤维混凝土抗弯强度、极限强度和弯曲韧性纤维的增大而提高。

    Through the load-deflection curves of SFRC, the effects of fiber kinds and fiber content on the first-crack strength and the flexural toughness of SFRC were contrasted with those of concrete.

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