A kind of soluble planar binuclear metal phthalocyanine was synthesized and was characterized by element analysis and FT IR spectra.
合成了一种水溶性平面双核金属酞菁衍生物，用元素分析和红外光谱对其结构进行了表征。
The correlate analysis shows that heavy metal element accumulation in periglacial plants is influenced by the heavy metal element content in soil.
相关分析的结果表明，植物对重金属元素的吸收受土壤元素含量的影响。
Through investigation analysis it is confirmed finally that trace metal element lacks to cause the sludge bulking.
经过调查分析，最后确认污泥膨胀是由微量金属元素缺乏所致。
Abstract: the method of fast finite element analysis of sheet metal forming based on deformation theory was explored, and the computer program was implemented.
文摘：研究了基于形变理论的金属板料成形快速有限元分析的方法——反向方法，并实现了计算程序。
The theory and method of finite element analysis of sheet metal forming based on deformation theory was explored, and the computer program was implemented.
研究了基于形变理论的金属板料成形有限元分析的理论和方法，并实现了计算程序。
According to the deformation of elastic-plastic theory, the finite element analysis model of metal diaphragm for tank of propulsion system in satellite was established in this paper.
根据弹塑性有限变形理论，用有限元法建立了卫星推进系统贮箱金属膜片变形的有限元分析模型。
In addition, the wettability, interfacial chemistry, mechanical properties of metal matrix composites and finite element analysis about metal matrix composites are simply studied.
另外，对金属基复合材料的润湿性、界面反应、复合材料力学性能和有限元模拟作了简单介绍。
UV-Vis, Energy dispersive spectroscopy, Element analysis, TG-DSC or TG-DTA indentify that surface of metal nanoclusters was decorated by C_(60);
紫外-可见光谱、微区能谱扫描、高分辨率透射电镜分析、元素分析、热重-差示扫描量热等分析证实了C_（60）对金属纳米团簇表面的修饰；
A kind of soluble planar binuclear metal-phthalocyanine was synthesized and characterized by element analysis and FT-IR spectra.
合成一种水溶性平面双核金属酞菁衍生物，用元素分析和红外光谱对其结构进行了表征。
Transitional metal complexes of pyromellitic acid were synthesized by homogeneous precipitation method, and characterized by TG, element analysis and FTIR.
用均匀沉淀法合成了均苯四甲酸过渡金属配合物。
An optimization method for preform die shape in non-isothermal metal forming using plastic finite element method, sensitivity analysis and engineering optimization algorithm is presented.
采用塑性有限元、灵敏度分析和工程优化算法相结合的方法，对非等温成形过程中预锻模具形状进行了优化设计。
In this paper, aiming at the mechanics in the plastic forming process of bi-metal composite pipes, the finite-element analysis is introduced.
针对机械复合管塑性成型过程中的力学问题进行了有限元模拟研究，建立了模拟双金属复合管塑性成型的参数化有限元力学模型。
The main applications of finite element method (FEM) in cutting process analysis are summarized and the future trends on FEA in metal cutting process are discussed.
在总结有限元法在切削加工分析方面的主要应用的基础上，展望了切削加工过程有限元分析的未来研究趋势。
Based on the theory of ideal forming, a forward one-step approach of finite element analysis for sheet metal forming was developed.
提出基于理想成形理论的板料冲压成形一步正向有限元分析方法。
Finite element analysis (FEA) plays more and more important role in sheet-metal forming. However, if the analysis is performed on a low quality mesh, the FEA can be inaccurate.
有限元网格质量的好坏对金属成形模拟的精度和效率有很大影响。
Finite element analysis (FEA) plays more and more important role in sheet-metal forming. However, if the analysis is performed on a low quality mesh, the FEA can be inaccurate.
有限元网格质量的好坏对金属成形模拟的精度和效率有很大影响。
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