搜索筛选:
搜索耗时0.0769秒,为你在为你在102,285,761篇论文里面共找到 2 篇相符的论文内容
类      型:
[会议论文] 作者:Chuanyang Zhang,Cuiming Wu,Yonghui Wu, 来源:第九届全国膜与膜过程学术报告会 年份:2016
A large amount of threonine mother liquor is produced during the production of threonine by fermentation,in which many impurities are intermingled,e.g,threonine,other amino acids,residual sugars and i...
[期刊论文] 作者:Chang Junjie,Li Yuanyuan,Tang Yonghui,Wu Ruifeng, 来源:中国焊接 年份:2020
With the wide application of laser welding technology in automobiles and rail transportation,the non-destructive testing techno-logy for laser welding seams is...
相关搜索: