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<正> Perfluoro-capryl-amido-propyl-triethoxy-silane, CF3 （CF2）6 CONH （CH2）3 Si（OC2H5）3, is a new type of organic fluoro-silieo......
<正> A fluoro-alkyl-bonded phase as HPLC packing has been prepared from silica （5μ） with 1, 2,-tetra-hydro 7-trifluoro me......
Molecular dynamics simulation of mechanical properties of TATB/fluorine-polymer PBXs along different
The mechanical properties of PBXs composed of the well-known insensitive explosive TATB (1,3,5-Triamino-2,4,6-trinitrobe......
The sodium silicate bonded sand hardened by microwave heating has many advantages,such as low sodium silicate adding qua......
Preparation and Characterization of Carboxyl-terminated Poly(butadiene-co-acrylonitrile)-epoxy Resin
Liquid carboxyl-terminated poly(butadiene-co-acrylonitrile)(CTBN)-epoxy resin(EP) prepolymers were prepared with differe......
用从头算势诱导极小二乘拟合(PD/LSF)和(exp-6-1)函数研究了1.1-二氟乙烷和1,2-二氟乙烷分子内非键原子间的相互作用。计算结果表......
The frequent defects of the metal parts, such as non-fully melting, thermal strain, and balling, which are produced by s......
Thermal characteristics are numerically investigated for the hybrid AlGaInAs/InP on silicon microring lasers with differ......
The sodium silicate bonded sand hardened by microwave heating has many advantages,such as low sodium silicate adding qua......
对有粘结预应力混凝土简支梁进行了非线性有限元的编程计算，采用平面四边形等参单元模拟混凝土单元，将非预应力钢筋分布到混凝土单元......
为了研究预应力型钢混凝土（PSRC）结构在竖向地震作用下的抗震性能,完成了在梁中设置有粘结和无粘结预应力筋的两榀预应力型钢混凝土......
以碳纤维筋（CFRP筋）有粘结预应力混凝土简支梁三分点加载时的情况为例，在假定双线性的弯矩-曲率关系成立的前提下，给出了其弯矩-挠度关......
利用恒温式量热计测定了不同粒度的HMX（1,3,5,7-四硝基-1,3,5,7-四氮杂环辛烷）基含铝炸药的爆热值.对其能量释放规律研究结果表明：含......
本文旨在更有效地利用高强钢材，弥补混凝土与钢筋拉应变之间的差距，把预应力运用到钢筋混凝土结构中去。亦即在外荷载作用到构件上之......
本文对有粘结预应力混凝土简支梁进行动力有限元程序设计。用平面四边形等参单元模拟混凝土单元，将钢筋分布到混凝土单元中；混凝土和......
结合京沪高铁工程实例,详细阐述了风屏障基础施工的底面及侧面凿毛、打眼（竖向钻眼与水平钻眼）、清孔、注胶植筋、钢筋绑扎、模板支......
主要介绍了实际工程中后张法有粘结预应力框架梁的施工方法、伸长值校核以及施工中应注意的一些问题，以供同类工程参考。......
与采用手糊工艺制作的传统FRP筋相比,采用拉挤工艺生产的新型FRP筋具有抗腐蚀性能优良、抗拉强度较高、比重小、弹性模量较低、抗......
采用快淬NdFeB磁粉,通过粘结方法,制备了NdFeB粘结磁体.探讨了粘结剂、固化温度和模压压力对NdFeB磁体磁性能及力学性能的影响.试......
介绍了预应力在水工方面的应用,有粘结、无粘结和缓粘结预应力结构计算特点,分析了各种粘结形式预应力结构耐久性的影响因素,工程......
利用离散元法数值模拟了5组试件的双轴试验，得到了粒径对弹性模量、泊松比、强度和裂缝初始应力的影响，分析了20MPa围压条件下粒径与......
