Application of a laser measurement method in measuring the modulus of elasticity in tension parallel to grain of Cryptomeria japonica D.Don structural lumber.;
激光测距方法测量结构材的顺纹抗拉弹性模量
The objective of this paper was to investigate the possibility of a transverse vibration technique for assessing static bending,tensile and compressive strength of structural lumbers.
共选择了186根尺寸为38 mm×89 mm×3 658 mm的加拿大针叶树商品材云杉-松-冷杉(SPF)的建筑结构材作为试验材料,探讨采用一种横向振动技术来评估这些规格材的静态抗弯、抗拉和抗压强度的可行性。
parameters and material structures,three kinds of GaAs based RTD material structures have been designed.
为了研究器件参数与材料结构的关系,设计了三种不同的GaAs基RTD材料结构。
The basic principle of operation, significant advantages, material structures, existent problems and latest progresses of the phase change materials are discussed in the review.
文章介绍了相变存储材料的特点,工作原理,相变材料结构及面临的技术难题。
This paper points out that the persification of observation modes,material structures,illumination conditions,and their interaction are the main factors influencing the dynamic characteristics of happening colour.
着重分析了偶发性色彩的动态特征生成过程,指出光照条件变化、材料结构变化和观察方式变化及其相互作用是偶发性色彩动态特征生成的主要影响因素,进一步完善了偶发性色彩的理论研究,为现代纺织品设计拓展了思路,丰富了技术手段,有助于提高纺织品设计的技术含量。
In order to develop the ribbon amorphous alloy structural materials, the experiments including mechanical tests and morphology observation were carried out.
根据工程上对结构材料的要求,通过对大量力学测试数据及形貌观测结果的分析对比,总结出非晶合金带材作为结构材料所必须具备的几个条件。
The latest research progress on alloying of magnesium(Mg)-based materials,including Mg-based structural material,Mg-based hydrogen storage alloy,and Mg-based amorphous alloy,in recent years is reviewed.
综述了近年来镁基材料合金化研究的状况,分别介绍了镁基结构材料、储氢合金、非晶合金等方面合金化研究的最新进展。
Recent progress in inorganic-organic hybrid material is reviewed with em-phasis on research and application of this material used as structural material,optical material or coating material in this paper.
简述了近几年来无机-有机杂化材料作为结构材料、光学材料、涂膜材料在不同领域中的研究与应用。
This paper reviewed the studies and standards for structural laminated wood adhesives and the testing methods in China.
介绍了国内木结构材用胶的研究和已制定的标准,简述了标准中对胶黏剂要求和试验方法,并提出对制定和完善结构材标准的建议。
Experimental research for effects of low temperatureon fracture toughness J_(IC) of structural steels;
低温对结构钢材断裂韧度J_(IC)影响的试验研究
Experimental measurements of the crack tip opening displacement of structural steels at low temperature;
结构钢材裂纹尖端张开位移的低温试验
The paper systematically discribes this discipline and also introduces the results if the low temperature experiment made by the author to investigate the main mechanical properties of common used structural steel,such as common carbon steel,low\|alloy steel,thermal strength carbon steel,ect.
钢材在低温条件下 ,其主要力学性能指标将随着温度而发生变化 ,系统地介绍了结构钢材主要力学性能指标随温度变化的规律 ,以及作者对常用结构钢材 (普通碳素钢、低合金钢和普通碳素钢的热调质钢 )主要力学指标的低温试验研究成果。
This article introduces the composition of several metal structure materials and the mechanical properties,meanwhile,it also presents a new welding material and its application.
介绍了几种金属结构材料的成分及力学性能特点。
construction materials of the main parts
主要构件的结构材料
silicon on insulator material
绝缘体上硅结构材料
Electronic Structure of Perovskite SrHfO_3;
钙钛矿结构材料SrHfO_3的电子结构研究
A structural material, such as masonry or timber.
建材结构材料，如石料或木料
Synthesis, Structure and Morphology Control of Inorganic Framework Solids;
新型无机网络结构材料的合成、结构与形貌控制
XRD Characterization of GaAs-Based Hetero-Epitaxy Materials and SiC MESFET Structure Materials;
GaAs多层异质外延结构材料和SiC MESFET结构材料的X射线双晶衍射分析
Packing materials for Wedgeplug valves are covered in Materials of Construction.
楔形塞阀门的填料材料包括在结构材料范围内。
Ceramic Composites Emerging as Advanced Structural Materials
正在崛起的高级结构材料——陶瓷复合材料
sound - absorbing material and sound - absorbingconstruction
吸声材料和吸声结构
Expert Group Meeting On Timber Construction
木材结构专家组会议
Analysis of Inorganic Materials Micro Structure
无机材料显微结构分析
structure model of non - crystalline material
非晶态材料的结构模型
Comparative Anatomical Observations of Wood Structures of Straight stem and Twist stem in Pinus Yunnanensis Franch
云南松直干、弯干材木材结构比较观察
The Technical Study on Materials and Construction of Steel Structure s Envelop;
钢结构建筑围护结构的材料和构造技术研究
A structural unit, such as a beam or wall.
构材建筑物之单位结构，如横梁或墙
Topology optimization of microstructure configuration of super-light materials
轻质材料微结构构型的拓扑优化设计
Some were made of stone and brick, others of wood or metal.
它们有砖石结构的，也有木材或金属结构的。
Codes of Practice on Structural Use of Steel and Structural Use of Concrete
钢材的结构用途及混凝土的结构用途作业守则