1) original length
原长
1.
The relationship between the nodal coordinates and the internal forces of elements with known original length is established.
认为模拟各施工过程就是寻找施工各阶段平衡态的过程,首先采用抛物线单元建立已知原长的构件变形后节点坐标与构件内力之间的关系,接着采用动力松弛法、控制构件原长进行平衡态的找形分析,并尝试对由外及里逐圈张拉下斜索、只张拉外圈下斜索、由外及里逐圈调节压杆长度等3种施工方案进行模拟分析。
2.
The relationship between the nodal coordinates and the internal forces of the elements of known original length is established,and a method is proposed to find the internal force of the elements and the nodal coordinates of the structures in equilibrium state by controlling the original length w.
根据索穹顶结构由拉索和压杆组成的几何拓扑关系,提出一种新的施工成形方案——由外及里逐圈按阶段分批调节压杆长度到原长的成形方案;并采用抛物线单元建立已知原长的构件变形后节点坐标与构件内力之间的关系,在此基础上提出了一种基于动力松弛法、控制构件原长求解各阶段平衡态时杆件内力和节点坐标的理论分析方法;最后通过设计加工一直径为5 m的索穹顶模型试验对该施工成形方案的可行性及理论分析方法的正确性进行了模拟和验证。
2) in-situ growth
原位生长
1.
The effect of different additives,seeds and introduction methods on in-situ growth Columnar Crystals of alumina was summarized.
总结了国内外柱状晶增韧氧化铝陶瓷的技术,详细的介绍了各种添加剂、不同晶种及其引入方式对氧化铝原位生长柱状晶的影响,分析了柱状晶的生长机制,阐述了柱状晶增韧氧化铝陶瓷的途径与方法。
2.
By introducing ZrO2 micron powder into the thermit and through thermit combustion, liquid-liquid separation of metal/ceramics and crystal in-situ growth of eutectic reaction, self-toughening composite ceramics with in-situ growing nano-micron fibers were fabricated.
通过将ZrO2微米粉末引入铝热剂中,借助铝热燃烧、陶瓷／金属液相分离及共晶反应中的晶体原位生长,制备出原位生长纳微米纤维自增韧Al2O3／ZrO2陶瓷复合材料。
3.
The preparation process of structure and conducting channel in carbon nanotube field effect transistor (CNTFET) was reviewed, including AFM manipulation, CVD in-situ growth of single-walled carbon nanotube (SWCNT),AC dielectrophoresis and L-B manipulation, etc.
综述了碳纳米管场效应晶体管(CNTFET)的主要结构和导电沟道的制备工艺,如AFM探针操控、CVD原位生长、交流介电泳和L-B大面积操控排布等方法。
4) Changqing Crude Oil
长庆原油
1.
Rheological Properties of Changqing Crude Oil Treated by Pour Point Depressant GY3;
加剂长庆原油的流变性研究
6) Yangtze River raw water
长江原水
1.
Study of Yangtze River raw water purification by integrated contact filtration-activated carbon adsorption-UF process;
接触过滤—活性炭吸附—超滤一体化净水装置处理长江原水的研究
