Avoid down products . synthetics are very advanced now and tend to be warmer , lighter and less allergenic than goose or duck down 避免使用绒毛制品，人工合成材料的保暖性，先进性以及低过敏性比鹅毛和鸭毛要合适的多。
Considering that , the research on the field emission of the cnt and nanosized diamond particles composed materials is meaningful 因此,考虑到上面的因素,对于金刚石超微粉与碳纳米管的合成材料的场发射性质具有一定的研究意义。
The results of oxidation resistance test showed that additive of aluminum could increase the purity of samples and reduce the presence of secondary phase 氧化增重实验的结果表明:在起始原料中掺加al粉有助于提高所合成材料的ti3sicz纯度，减少杂质相的生成。
Standard test method for accelerated tensile creep and creep - rupture of geosynthetic materials based on time - temperature superposition using the stepped isothermal method 使用阶段等温法对基于时间-温度叠加的土工合成材料的加速拉伸蠕变和蠕变断裂的标准试验方法
Using organic templates mimicking the natural ones to direct the organization of polymerizing inorganic species is an efficient way to prepare the well - ordered mesoporous and macroporous materials with uniform pore sizes 摘要模板合成技术是制备有序多孔材料的有效手段，是一种生物模拟合成材料的方法。
The field tests have been performed to evaluate the ultraviolet resistance of geosynthetics used in different engineering conditions ; and the aging rule of geosynthetics was obtained 摘要为了解土工合成材料的抗紫外线老化的能力，对土工合成材料进行了户外现场模拟老化试验，得到了材料抗拉强度随老化时间变化的规律。
Uk - established client has three immediate requirements for steel bars to india . three one - off shipments of 5 , 000 mt , 10 , 000 mt , 30 , 000 mt steel bars , cif any west coast indian port , preferably mumbai 美国客户：需要寻找一个声誉好的炭墨合成材料的生产商。炭墨合成材料是一种再医学应用上的高硬度的物质。再寻找一家比如网球拍生产商的体育器材制造商。
The template method is superior to other approaches , which the size , structure and morphology of the prepared materials can be controlled and adjusted by simple altering the nature of the template and the preparation conditions 模板法的优势在于利用模板的空间限域作用和调控作用可对合成材料的大小、形貌、结构、排布方式等进行控制，而且也可根据合成材料的大小和形貌预先设计模板。
We successfully make the nanosized diamond particles calculated on the cathode and get the composed materials by electrophoretic method . comparing to the pecvd method by which people make the cnt and nanocrystal diamond grow currently on the same substrate , it ’ s more simple , economic and easy to control . the main jobs are followed : 1 实验中采用电泳的办法,将金刚石超微粉沉积到阴极基片上,从而制备出合成材料,此种办法与通过pecvd方法实现基片上碳纳米管与金刚石超微粉的合成材料的生长相比,更加经济,简单与实用,并且更加容易控制。
( 1 ) systematic triaxial compression tests are made for the sand reinforced by various national geosynthetics . comprehensive investigations into the interaction characteristics are also made between sand / lime fly ash and various national geosynthetics by direct shear tests and pull out tests , which can help choosing geosynthetic type and understanding the geosynthetic reinforcement mechanism ; ( 2 ) this paper is also firstly systematically presents the results of a comprehensive investigation into the interaction characteristics between lime fly ash and various national geosynthetics ; ( 3 ) by non - linear fem , the influence of the modulus of geosynthetics , the thickness of the soft ground and the width of the foundation on the effectiveness of geosynthetic reinforcement are also studied ; ( 4 ) the main conclusions are as followed : ( geotextiles are likely to be suited for projects allowing high displacement , polyester warp knitting geogrids and oriented geogrids for projects allowing medium displacement , glass fiber geogrids for projects allowing low displacement and geonets for secondary projects . ( the confining effect of fill material to act on different kinds of geosynthetics varies largely , which must be considered （ 1 ）本文利用三轴压缩试验，比较各种国产土工合成材料对砂土的加筋效果；利用直剪试验和拉拔试验，比较各种国产土工合成材料与砂土或石灰粉煤灰的界面摩擦特性，深入研究土工合成材料的加筋机理，首次明确提出加筋土工合成材料的选型原则； （ 2 ）本文首次系统地研究了石灰粉煤灰与各种国产土工合成材料的界面摩擦特性； （ 3 ）本文采用有限元法，系统研究了加筋模量、软土地基厚度、基础宽度等因素对土工合成材料加固软土地基效果的影响； （ 4 ）本文主要结论如下： (无纺土工织物适合用于允许大变形的加筋土工程；涤纶纤维经编土工格栅和塑料拉伸土工格栅适合用于对变形有较严格要求的加筋土工程；玻璃纤维经编土工格栅适合用于对变形有严格要求的加筋工程；土工网适合用于低等级的加筋土工程。
