Intermediate beaded or rolled edge multilayer metal preforms are made for transport to the final three dimensional stamping operation. 制成半成品卷边或滚压边的多层金属预成形件用于该产品的最终冲压成形加工工序。
Effect of alloying elements on intermediate temperature filler metal in stepped welding of 6063 aluminum alloy 合金元素对6063铝合金阶梯焊中温钎料性能的影响
The application of chlorodiisopropylphosphine, which is a kind of intermediate to manufacture organic phosphorus, in synthesizing of metal ligand compounds is introduced in this paper. 本文介绍了作为制备有机膦的重要中间体之一的氯代二异丙基膦在合成金属配体化合物中的应用。
In the conventional armor protection system, the outer layer is a high-strength anti-impaction plate, the intermediate layer is a ceramic plate, and the inner layer is a metal supporting plate. 传统的装甲防护系统的外层为高强抗撞击板,中间层为陶瓷板,内层为金属支承板。
For intermediate coat on the surface of zinc silicate or metal coating to reduce popping. 作为中间涂层涂于涂有硅酸锌或金属涂料的表面以减少起泡现象。
A substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; it increases with temperature and in the presence of impurities. 锗或硅等导电性介于导体与绝缘体之间的物质,其导电性随温度升高或杂质的出现而提高。
By optimizing the optical parameters of intermediate layers between the metal films and the sensing films, the sensitivity can be increased further. 通过在金属层与传感层之间优化设计中间层,进一步提高了传感器灵敏度。
To join ( metals) by applying heat, sometimes with pressure and sometimes with an intermediate or filler metal having a high melting point. 焊接通过加热,有时加压或有时用媒介物或有很高熔点的填充金属来连接(金属)
The calcium-containing waste mud wasted in intermediate water treatment of Capital Metal Factory was analyzed for comprehensive utilization and was used to study the capturing sulfur briquette as capturing sulfur material. 对首都钢铁厂中水处理废弃的含钙污泥进行了综合利用分析,并作为固硫剂进行了型煤固硫研究。
2, 2-Dimethylolpropionic acid is an intermediate for dyes and pesticides. It can be used to synthesize a series of esters and metal salts of DMPA and also be used to synthesize hindered phenolic antioxidants. DMPA can join polycondensation reaction as a dihydric alcohol. 2,2-二羟甲基丙酸(DMPA)是染料及农药的中间体,还可以制成一系列的DMPA的酯类和金属盐类,也可用来合成受阻酚类抗氧剂,DMPA作为一种二元醇可以参加缩聚反应。
The origins and harm were analysed with respect to the common biological toxin in textiles. The toxin includes formaldehyde, antiseptic, insecticide, aromatic amine intermediate of synthetic azo dyes as well as heavy metal residual. 作者分析了纺织品上常见生物毒性物质的来源及其危害,如甲醛、防腐剂及杀虫剂,某些用以合成偶氮染料的芳香胺中间体和残留的重金属等;
The key intermediate pentabutyryl Arbutin was synthesized with TBAB as phase-transfer catalytic agent instead of using expensive metal catalyst, which pollutes the environment seriously. 通过相转移催化剂溴化四丁基铵(TBAB),合成了关键中间产物五乙酰熊果苷,避免使用了昂贵及对环境污染严重的金属盐催化剂。
The global, intermediate and local FEA ( finite element analysis) multi-level models were built for the thermal structure of the C/ C cone with the metal velocity sensors. 针对装有钛合金传感器的C/C复合材料头锥结构,建立包括总体次级局部的多级有限元模型,进行细节应力分析技术研究。
The bonding between steel and diamond was performed by induction brazing under controlled temperature and time. The filled intermediate layer materials are reactive metal Cr powder and Ag-Cu alloy foil. 利用高频感应钎焊的方法,以Ag-Cu合金和Cr粉为钎料,在一定的钎焊工艺条件下进行了实验研究,实现了金刚石与钢基体间的牢固化学冶金结合。
The significance of raw material and intermediate supplies management in metal reconciliation 原料及物料管理在金属平衡中的意义
The bonding between chemical vapor deposition ( CVD) thick films diamond and cemented carbide was performed by diffusion brazing under controlled temperature, pressure and time. The filled intermediate layer materials are reactive metal Ti foil and Ag-Cu alloy foil. 采用扩散焊与钎焊相结合的方法,用Ti箔和Ag-Cu箔共同做中间层材料,在一定的温度、压力和保温时间下,实现了气相沉积金刚石厚膜与硬质合金间的牢固连接。
Input of steel scrap to any intermediate step decreases the energy consumption and increases the metal yield per ton of finished product. 向中间工序输入废钢,可同时使吨材能耗和吨材铁耗降低;
Study of SnO_2+ Sb_2O_4 Intermediate Layer in Non-Noble Metal Ti/ MO_2 Anode 耐酸非贵金属Ti/MO2阳极SnO2+Sb2O4中间层研究
This article analyzes the influence of raw material and intermediate supplies in metal reconciliation. There is great significance to improve recovery, reduce capital occupation and lower down costs by strengthening raw material and intermediate supplies management. 本文分析了原料、中间物料在金属平衡中的影响,加强原料及中间物料管理对提高回收率、减少资金占用、降低成本都有重大意义。
Mid-mediator and intermediate heat exchanger which transfer heat from exhaust gas to metal hydride are adopted to avoid inactivation by direct contact between automotive exhaust gas and metal hydride. 为防止汽车尾气与金属氢化物直接接触而导致金属氢化物中毒,该制冷系统采用了中间介质和中间换热器,从而将尾气余热间接传给金属氢化物。
Dye Intermediate Wastewater Pretreatment by Metal Oxide Catalyzed Ozonation 染料中间体废水的催化臭氧化预处理
The thyristor intermediate frequency inverter is mostly applied to industry production field such as metal smelt or metal heat treatment. 可控硅中频电源主要应用于金属冶炼、金属热处理等工业生产领域。
The results showed that Al_4C_3 as intermediate product formed by the reaction between metal Al and C at below 1200 ℃, and the solid reaction, i. e. 结果表明:反应体系在1200℃以下,铝和炭黑反应首先生成中间相Al4C3;
Iminodiacetic acid ( IDA) is an important chemical industrial intermediate, which is widely used in many aspects including pesticide, pharmacy, rubber, electroplating and metal manufacture. Among of these, the most important application is used in producing herbicide Glyphosate. 亚氨基二乙酸(iminodiaceticacid简称IDA)是一种重要的化工中间体,广泛应用于农药、制药、橡胶、电镀工业和金属加工等领域,其中,最主要用途是用于生产化学除草剂草甘膦。