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1)  super-long restraint
超长束
2)  super-long steel strand
超长钢束
3)  very long prestressing strand
超长预应力束
1.
The model tests for the very long prestressing strands of Yeshan River Bridge on the West Section of Shanghai-Chengdu Expressway were made,the initial tensile force and load holding duration of the strands were studied and the research findings of the initial tensile force and load holding duration of the same type of the strands of several other bridges were provided.
以沪蓉西高速公路野山河大桥的超长预应力束为研究对象,进行模型试验,研究超长预应力束的初张力及张拉持荷时间,并提供了其他几座桥梁的超长预应力束初张力及持荷时间的研究成果。
4)  Super-long
超长
1.
Design of CNC Super-long Ball Screw Shaft Grinder;
数控超长滚珠丝杠磨床设计
2.
Construction technology of super-long large-diameter bored pile in deep water for foundation works of Sutong bridge;
苏通大桥主桥基础深水大直径超长钻孔桩施工
3.
The temperature effect of super-long concrete floor is so obvious that the tensile stress will easily lead to extensively slab crack.
超长连续混凝土板的温度效应十分显著,易造成楼板大开裂。
5)  over-length
超长
1.
Research and application of the construction technology of the over-length and mass concrete in the foundation plate;
超长大体积混凝土在基础底板施工工艺中的研究和应用
2.
The article focuses on how to control the index at a very low level since over-length fibre is influenced through the whole process of production.
超长、倍长在涤纶短纤生产中是一项常规控制指标,在生产中受全流程各方面因素影响,它的数值高低对下游纺织生产质量影响很大。
6)  super long
超长
1.
Construction skill of super long irregular base room ditch and bottom plank
超长不规则地下室深基坑和底板施工技术
2.
Research was carried out in respects of structure design,selection of raw concrete materials,optimization of mixture ratio and temperature measurement to determine construction method for preventing crack in super long massive concrete wall without expansion agent.
通过在结构设计、混凝土原材料选择、配合比优化、温度测量等方面的研究,确定了施工方法,解决了超长、大体积无膨胀剂混凝土墙体防裂现象。
3.
The mechanism of load transmission and variation law of lateral resistance and tip resistance of super long large diameter bored piles are studied through eleven field tests.
通过对 1 1根大直径超长钻孔桩 (其中 9根桩身埋设有测试元件 )的静荷载试验 ,对大直径超长桩受最大荷载为 2 4MN时的受力特性和荷载传递机理及侧阻力、端阻力的变化规律进行研究 ,分析了施工工艺、嵌岩深度、桩端高压注浆等因素对大直径超长桩承载力的影响。
补充资料:胶束增效的超滤法
分子式:
CAS号:

性质:是一种可有效地分离有机分子和金属离子的分离技术。在溶液中加入与待分离的离子带相反电荷的增效试剂,就会形成相应的聚合体,通过装有孔径小至足以阻止这些聚合体的超滤膜的超滤器,可成功地分离或富集特定的物质。使用该法,一些离子的去除率可达99.8%。所用增效试剂可以是能形成胶束的离子型表面活性剂,也可以是不能形成胶束的高分子电解质。

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