>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-4 共查到Surfacing相关记录4条 . 查询时间(0.109 秒)
As Americans' trust in government nears historic lows, frustration with government performance approaches record highs. One explanation for this trend is that citizens may be unaware of both the servi...
h e contribution deals with the analysis of claddings quality realised by shielded metal arc welding with covered electrodes. For cladding, covered basic electrodes marked as E Z Fe 8 EN 14700 and E Z...
Purpose: of these researches was to investigate influence of heat input in SAW surfacing of low-alloyed steel with super-ferrite filler material on quality of deposits. Design/methodology/approach: t...
Safer surfacing     DIVERS  environment  swimming  planning  surface       2009/5/27
This exchange between two divers, both boat owners at that, typifies the attitude of too many towards the sea. Ignorance and lack of concern for the basic information about the intrinsically hostile...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...