Concrete pouring at bridge c2 construction of cast insitu bridge 2桥之混凝土倾灌工程
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The construction of insitu bridge b1 in progress 运用施工架兴建中的高架桥
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The acr / montmorillonite nanocomposites have been synthesized by insitu emulsion polymerization for the first time 首次提出了基于蒙脱土吸水膨胀的原位乳液聚合插层机理。
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Abstract : this paper discribes the principle of rook acoustic emission techniques . some applications such as insitu rock stress measuring , locating high stress zone , predicting roof falling and evaluating rook stability are presented 文摘:论述了岩体声发射技术的基本原理，介绍了其在采矿工程中的若干应用成果：地应力测量、高应力区圈定、冒顶预测预报、稳定性评价。
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Secondly , the fu yang lailong mountain slope failure was introduced . the factors influcing the slope stability were analysed and the calculated results were compared with those obtained by insitu monitoring . finally , some conclutions were obtained , which are important to engineering application 本文结合富阳来龙山滑坡的工程实例，介绍了来龙山滑坡的概况，分析了滑坡产生的成因、滑坡要素及监测情况，并用极限平衡法和有限元法分别进行了安全系数的计算与分析，提出并验证了自己的观点。
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In order to prepare insitu - composite pan - batio3 , the batio3 nanoparticles with the different size has been prepared by sol - gel processing primarily , the shape , structure and the relationship between dielectric properties and conducting properties with temperature and frequency are studied . the result shows : 900 is the optimum heat - treated temperature for the preparing batio3 nanoparticles 研究结果表明：复合粒子为不很规则的球形，在室温下其平均粒径在1 zpm之间， batios和pan之间存在化学键的连接，一个复合粒子中包含有许多个batioa纳米粒子，在此基础上我们提出了“蛋糕一花生米”模型。
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The intercalation mechanism of insitu emulsion polymerization has been proposed for the first time . then acr / montmorillonite nanocomposites blended with pvc , the tem and xrd indicated that the montmorillonite were dispersed with nanometer in pvc matrix . the flexural strength and flexure modulus of composites increased with the montmorillonite content , and the impact strength of composites a little increased 且随着acr蒙脱土纳米复合材料中蒙脱土用量的增加，虽然pvc acr蒙脱土纳米复合材料的拉伸性能变化不大，但抗弯强度和弯曲模量明显增大，而且其缺口冲击强度也有一定幅度的增大，具有工业实用价值。
