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- The technical parameters and production process of the combine roller made from high Ni Cr cast iron by centrifugal casting were intruduced in detail. 详细介绍了离心铸造高镍铬铸铁复合辊套内外层金属铸造工艺参数及整个铸造生产过程。
- Distribution of elements content (As、Ni、Cr、Mn) in steel's section were analyzed by X-ray Fluorescence Spectrometry (XRF). 应用X荧光光谱法分析了螺栓圆钢截面砷、镍、铬、锰元素的分布。
- The results indicate that every performance of melting range reaches or surpasses respective performance of related cobalt alloy and Ni Cr alloy. 结果表明,熔接区的各项性能均达到和超过相关的钴合金及镍铬高温合金的各自性能。
- In order to develop new generation monolayer brazing CBN (cubic boron nitride) grinding wheels, two types of active filler alloys (Ni Cr and Ag Cu Ti) were tested in vacuum furnace. 为研制我国新一代单层钎焊CBN(立方氮化硼 )磨料砂轮 ,尝试Ni-Cr和Ag -Cu-Ti两种活性钎料 ,在真空炉中钎焊。
- The aluminium based composite reinforced by alumina Borate Whisker was prepared by squeeze casting method. 本文利用挤压铸造法成功地制备了硼酸铝晶须增强铝复合材料。
- Agueous emulsifiable isocyanate adhesive is one of important adhesive researches for wood based composite. 异氰酸酯水乳液胶粘剂是木质复合材料胶粘剂研究和开发的热点之一。
- The mechanical properties of the toughened UPR 298# based composite was introduced at the end of this paper. 最后探讨了增韧298%23树脂对其复合材料力学性能的影响。
- A series of contrastive experiments on the cobalt based composite coatings and the 45 hardened steel are fulfilled by a pin-on-disc abrasion machine. 应用盘销式摩擦磨损试验机对复合涂层材料和淬火态 45钢进行了磨损对比试验。
- AbstractProgress in research on cast Al base composite enhanced by grain has been introduced. 介绍了铸造法制备颗粒增强铝基复合材料研究的进展情况;
- In this paper, recent advances in research and applications of chitosan based composite materials are reviewed for bone repaire and tissue engineering incl... 综述了壳聚糖类复合材料在骨填充修复材料、骨组织工程和软骨组织工程方面应用的状况及前景。
- The hardness of Cu base composite is much higher than that of pure capper.The improve of mechanical properties is due to the block of dislocation by dispersion of alumina. 且铜基复合材料硬度值比纯铜高出许多,显示氧化铝的均匀散布能有效阻碍差排的滑移,提升其机械性质。
- This steel contains C, Ni and Cr. 这种钢含有碳、镍和铬。
- In order to determine whether pearlite powder may be used as admixture in cement based composite, a quantitative analysis was conducted for the variation of the pozzolanic effect of pearlite powder mixed in cement based material with mixture percentage? 为了量化地分析珍珠岩粉在水泥基材料中的火山灰效应 ;以判定珍珠岩磨细粉用作水泥基材料的掺合料之优劣 ;采用以抗压强度构成为基础的火山灰效应定量指标 ;研究其在水泥砂浆和混凝土中随珍珠岩粉掺量、细度及养护方式、龄期和配合比的变化特征 .
- This steel contain C, Ni and Cr. 这种钢含有碳、镍和铬。
- The overall properties and applications of macro-defect-free cement based composite are introduced in detail.The moisture sensitivity and the strategics to improve moisture resistance arc analyzed. 全面介绍了该材料的性能和应用,分析了它的湿敏特性与耐湿性改进途径。
- This steel contains C , Ni and Cr . 这种钢含有碳、镍和铬。
- In this paper, the application research situation, the development trend and the major chemical reaction principles of aqueous emulsifiable isocyanate adhesive for wood based composite are introduced. 本文主要介绍了木质复合材料用异氰酸酯水乳液胶粘剂的研究现状、发展趋势以及粘接反应原理。
- In this paper, recent advances in research and applications of chitosan based composite materials are reviewed for bone repaire and tissue engineering including cartilage and bone. 综述了壳聚糖类复合材料在骨填充修复材料、骨组织工程和软骨组织工程方面应用的状况及前景。
- The tribological behavior of different counterface properties of the composite (35% glass fiber reinforced PA1010 based composite) is investigated through the ring-block wear tester. 制备了35%25玻璃纤维增强尼龙1010复合材料,在环-块磨损试验机上研究了复合材料在不同偶副特性下的摩擦学性能。
- Suggestion on Issues of Eliminating CR Based on CTC Process in China 对于我国CTC法CR淘汰工作的一些建议
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries