1、

This method takes full advantage of the low tensile strength of rock and high permeating ability of high pressure water which enable the initiation and propagation of cracks and the accomplishment of rock fragmentation.

本方法充分运用了岩石抗拉强度低,和高压水对岩石有利渗透作用的条件,从而达到岩石裂纹的产生与扩展,直到最后劈裂。

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2、

Meanwhile, various factors including income increases, the strength of health realization, the application of high-grade technology and currency inflation etc.

同时,随着人口老龄化以及居民收入增加,健康意识增强,医疗高新技术的应用以及通货膨胀等因素的作用,医疗费用呈现出加速上涨的趋势。

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3、

Their microstructure was characterized by high resolution transmmision electron microscope and X-ray diffraction, and the tensile strength was determined by a monofilament tensile testing machine.

然后利用高分辨透射电子显微镜和X射线衍射分析方法对其经不同温度退火处理后纤维的微观结构进行表征,并用电子单纤维强力机测定其拉伸强度。

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4、

Many properties of diamond ( e.g. its physical hardness, high Young's modulus, high tensile yield strength, chemical inertness, low coefficient of friction and high thermal conductivity) make it an excellent material for micromechanical device applications.

金刚石的许多性质(例如,高硬度、高弹性模量、高屈服强度、化学惰性、低摩擦系数和高热传导)使它成为微结构器件的优异材料。

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5、

The tensile strength, yield strength, modulus of elasticity of prestressed steel strand post high temperatures are obtained.

考虑不同冷却方式对其性能的影响,得到经历不同高温后钢绞线的极限强度、名义屈服强度、弹性模量和延伸率及其变化规律,给出力学模型。

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6、

Polyimide ( PI) film materials have been widely applied in many fields such as aviation, national defense, electronic device and optical-communication for their high tensile-strength^ high modulus and high dimensional stability.

高强、高模、高尺寸稳定性和加工性能优良的聚酰亚胺薄膜材料在航天航空、国防军工、电机电器、电子通讯等高新技术产业显示着广阔的应用前景。

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7、

All of those indicate that the material overcomes the shortcomings of acellular dermal matrix and has high permeability, tensile-strength, and proper degradation speed. So it conforms to tissue engineering scaffold material requirements.

上述结果表明该材料已解决了猪脱细胞真皮基质渗透性差、降解速度过慢的缺点,并且其透气性和拉伸强度高、降解性优良且可控,符合组织工程支架材料的要求。

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8、

ABSTRACT: Reactive Powder Concrete ( RPC) is a kind of new cement base composite material, which provides satisfactory strength, toughness and durability; and also has high environmental protection. Due to these characteristics, it presents broad application prospects in civil engineering field.

摘要:活性粉末混凝土是一种具有超高强度、高韧性、高耐久性、高环保性的新型水泥基复合材料,在土木工程领域具有广阔的应用前景。

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9、

Finally, by employing mechanical properties test, it shows that the tension strength, elastic modulus and micro-hardness of Mg-Ti alloys have increased evidently with joining Ti due to the high tension strength and melting point as well as high elastic modulus of Ti.

通过对Mg-Ti合金进行力学性能测试表明,在Mg中加入高强度、高熔点、高弹性模量的Ti,显著提高了材料的抗拉强度、弹性模量和显微硬度,且它们随着Ti含量的增加而增加。

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10、

Adding the additives into chemical displacement Cu plating solution of CuSO 4-H 2 SO 4 and adjusting process parameter, high binding strength displacement copper coat whose thickness is 0.1~ 0.3 μ m can be obtained in 2~ 5 s.

在以硫酸铜和硫酸为主要成分的化学置换铜溶液中加入专用添加剂,并通过调整工艺参数,可在2~5s的反应时间内得到0.1~0.3μm厚度的高结合强度的置换铜层。

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11、

The drilling fluid has high apparent viscosity, high shear strength and strong shear dilution performance.

该钻井液表观粘度高, 切应力较大,剪切稀释特性强.

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12、

Slow strain rate tension test of high-strength aluminum alloy 7075

LC4高强铝合金的慢应变速率拉伸试验

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13、

The tensile strength and coefficient of elongation of jute fabric were tested on high-temperature tension tester controled by microcomputer.

采用微机控制高温拉力试验机测试织物的拉伸性能,比较织物的抗拉强度和延伸率。

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15、

Strength test of high fill and compaction soil of airports

机场高填方压实土的强度试验

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16、

Research and Development of New Casing with High Collapse Strength

一种新型高抗挤套管的研制

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17、

experiments results indicated this adhesive has better resistance to high temperature, flameproofing and adhesive strength.

实验表明,该胶粘剂具有较好的韧性、耐温性 、 阻燃性和较高的粘结强度.

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18、

The Portland cement and high calcium fly ash samples ( shortened form P.C. and HCFA) which have different particle size distributions were mixed in a proportion of 50:50%. The mortar strength of HCFA cement in 3 and 28 days were tested.

本文将不同颗粒群分布的高钙灰、水泥按5:5比例混合,制成高钙灰水泥,测其3d、28d胶砂抗折、抗压强度。

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19、

Application Of high-strength precipitation-hardening stainless steel in aircraft

高强度沉淀硬化不锈钢在飞上应用

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