the compressive strength of each specimen is tested after 3 days, 7 days, 14 days, and part of 21 days.

the graphitization extent of c/ c composite was investigated by x-ray diffraction, the resistivity and compressive strength of c/ c composites were monitored by the four-point probes and electronic universal testing machine, respectively.

通过X射线衍射、四探针测试仪及电子万能试验机等表征了C/C复合材料的石墨化度、电阻率以及抗压强度。

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one important application of frp composites is as a confining material for concrete. frp confinement can enhance both the compressive strength and the ultimate strain of concrete significantly.

其中一项重要的用途就是通过缠绕FRP提供的约束来加固修复钢筋混凝土柱，FRP约束钢筋混凝土柱的抗压强度和延性都得到很大的提高。

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the composite of calcium phosphate cements/ polyglycolic-polylactic acid was prepared. the compressive strength, x-ray diffraction and scan electron microscope analysis of cpc-plga were studied.

方法制备了CPC-PLGA复合材料，测定其抗压强度，通过X射线衍射（XRD）分析固化产物的物相组成、扫描电镜（SEM）观察其微观结构，并与单一的CPC材料进行对照。

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the equation of correlation between compressive strength and elastic modulus of concrete is derived on the basis of modified burger's model.

本文用修正的Burgers模型推导出砼抗压强度与弹性模量的关系式。

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the result indicates that the pressure resistant strength of the compounded& mixed fertilizer is 27.8 n under this condition, the total effective nutrient 31.6%, ph value 6.2, granularity rate 95.8%.

结果表明，在此条件下制得的复混肥抗压强度为27.8N，总有效养分为31.6%，pH值6.2，成粒率95.8%。

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based on the direct shear, sensitivity of unconfined compressive strength, standard consolidation test, x-ray diffraction ( xrd) and sem, the mechanism and strength characteristics of treated sludge are analyzed.

通过直接剪切、无侧限抗压强度灵敏度、标准固结试验、孔隙分析X射线衍射及扫描电镜等现代测试手段，研究了改性淤泥的强度特性，探讨固化剂的改性淤泥的机理。

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the compression strength of electroless plating diamond is increased obviously, and the heat etching resistance of ti plating and the ni plating diamonds are better than cu plating diamond.

经化学镀后的金刚石抗压强度明显提高，镀Ti和镀Ni的金刚石抗热蚀能力较好。

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compressive strength analysis of cast iron based on the mohr-coulomb criterion

基于Mohr-Coulomb准则的铸铁抗压强度分析

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considering the dimension of brick and hole shape synchronously, the strength of p type circle and m type rectangular perforated brick masonry is equal.

同时考虑砖的尺寸和孔型时，P型圆孔多孔砖砌体抗压强度与M型矩形孔多孔砖的相同；

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study of axial compression for frp confined concrete circular columns

FRP约束混凝土圆柱体轴心抗压强度研究

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needle-like calcium-deficient hydroxyapatite created in-situ reinforces compressive strength of the porous bioceramic.

原位形成的针状缺钙型HA晶体提高了多孔生物陶瓷的抗压强度。

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and has conducted the bp network forecast frozen soil uniaxial compressive strength research.

并进行了BP神经网络预测冻土单轴抗压强度的研究。

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their contents of protein and gluten are relatively high, but the protein quality is not good.

C高；抗压强度高。蛋白质、面筋含量较高，但其品质较差；

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study on the relationship between compressive strength index of femoral neck and hip osteoporotic fractures

股骨颈抗压强度指数与骨质疏松性髋部骨折的关系研究

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attention problems in concrete compressive strength test based on rebound method

回弹法检测混凝土抗压强度中应注意的问题

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these were semi-clandestine associations and were known as freikorps (volunteer corps).

它们是半地下的组织，被称为自由军团。

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the proportional random inspection can gain the end that construction quality of djm pile is controlled.

通过取芯、标准贯入和无侧限抗压强度试验相结合的检测方法能比较科学的评定粉喷桩的成桩质量，适当比例的抽检可以达到控制粉喷桩施工质量的目的。

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uniaxial compressive strength of frozen saline silty clay

含盐冻结粉质粘土单轴抗压强度试验研究

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some problems in non-side-limit compression strength experiments of lime soil

白灰土无侧限抗压强度试验中应注意的问题

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experimental study on unconfined compressive strength of silt soil consolidated by cement and lime

水泥、石灰加固淤泥土无侧限抗压强度试验研究

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