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1.Based on the study of concentration of ice, frost heave of soil foundation in different conditions and combined with the analysis and investigation of the heights of frost heave and the working state of concrete pavement in areas of different frozen depths, the required thickness of frost-resistant layer is proposed in the paper.
本文根据土基在不同条件下聚冰、冻胀的研究成果,并结合不同冰冻深度地区土床冻胀高度与混凝土道面工作状态的调查分析,提出防冻层所需设置的厚度。收藏指正
2.Deposited by magnetron sputtering method using a low RF power density at a substrate temperature below epitaxial growth required,the Cerium substituted yttrium iron garnet (Ce∶YIG) magneto optic films with thickness of about 300nm was prepared after recrystallization annealing treatment.
基片温度低于溅射外延条件 ,采用低溅射功率密度磁控溅射沉积 ,进行后期热处理结晶化 ,制备出膜厚为 30 0 nm的掺铈钇铁石榴石 Ce∶ YIG磁光薄膜。收藏指正
3.Computer aided design(CAD)method is used for d es igning formulation of FCW on the basis of required composition for deposit metal and transfer efficiency of alloy elements,selecting specification of strip(widt h and thickness),calculating filling coefficient and amount of used strip on the b asis of gross mass and gross volume of flux,loose density of every component and ratio of exterior section area of FCW to flux filling area
通过计算机辅助设计的方法 ,根据对熔敷金属成分的要求和合金过渡系数设计药芯焊丝配方 ,再根据药芯的总质量、总体积、各组分的松装比和药芯焊丝外皮的几何断面积与药芯填充面积之比优选钢带规格 (钢带宽度和厚度 ) ,确定填充系数和钢带用量收藏指正
4.However, it was subsequently shown that the thickness of nickel required on plastics substrates is similar to that necessary on metallic ones to prevent corrosion of the thick copper undercoat.
但是，后来发现，塑料基体上所要求的镍层厚度与金属基体的差不多，这样才能防止底层的厚铜层受到腐蚀。收藏指正
5.If the paint becomes too thick (e.g. in cold weather) or low film thickness is required (e.g. sealer), thinners in product data sheet can be used during application to obtain good performances.
如果油漆变得过稠（如：天气寒冷）或要求的漆膜厚度很低（如：封闭漆）可在施工时采用产品说明书上指明的稀释剂适当调配，以取得良好的效果。收藏指正
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