搜索筛选:
搜索耗时3.2022秒,为你在为你在102,285,761篇论文里面共找到 5 篇相符的论文内容
发布年度:
[会议论文] 作者：X.H.Wang,S.W.Zhang,D.G.Wang,T.Wang,
来源：Fifth International Conference on Surface Engineering(第五届表面工 年份：2007
Build-up welding material of brake disc and asbestos-free material of brake block for drilling rig are developed.The research indicates that brake pair has better frictional characteristics in variabl...
[会议论文] 作者：X.H.Wang,S.W.Zhang,D.G.Wang,G.X.Xie,
来源：Fifth International Conference on Surface Engineering(第五届表面工 年份：2007
In order to improve resisting performance of heat,wear and erosion as well as anti-thermal fatigue,build-up welding materials of brake-disc for drilling rig with better performance is developed,and it...
[会议论文] 作者：X.H.Wang[1]S.W.Zhang[2]D.G.Wang[2]G.X.Xie[1],
来源：Fifth International Conference on Surface Engineering(第五届表面工 年份：2007
In order to improve resisting performance of heat,wear and erosion as well as anti-thermal fatigue,build-up welding materials of brake-disc for drilling rig...
[会议论文] 作者：X.H.Wang[1]S.W.Zhang[2]D.G.Wang[2]T.Wang[1],
来源：Fifth International Conference on Surface Engineering(第五届表面工 年份：2007
Build-up welding material of brake disc and asbestos-free material of brake block for drilling rig are developed.The research indicates that brake pair has...
[会议论文] 作者：李志国,Y.P.Chen,徐洁皓,方丽晶,俞素娥,S.W.Zhang,高勇,苏松坤,
来源：2013年全国蜂产品市场信息交流会 年份：2013
以色列急性麻痹病毒(Israeli acute paralysis virus,IAPV)是蜜蜂的一种病毒, 对蜜蜂健康构成负面影响,且在与大蜂螨共生情况下对蜜蜂构成更大威胁.本研究检测调查了浙江省蜜蜂主产区蜜蜂病毒的流行情况.检测病毒接种的花粉采集蜂的伸吻反应(PER)试验研究IAPV对......
相关搜索：
