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[期刊论文] 作者:LIU Yi-xin HAN Yi-wang WANG Ya, 来源:中国农业科学:英文版 年份:2002
The distribution of crystal organic fertilizer, urea and compound fertilizer-N in soil and plant system was researched with 15N-trace under tobacco pot experime...
[期刊论文] 作者:LIU Yi-xin,HAN Yi-wang,WANG Ya, 来源:城市道桥与防洪 年份:2002
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:Qun-Si Yang,Qing Liu,Dong Zhou,Wei-Zong Xu,Yi-Wang Wang,Fang-Fang Ren,Hai Lu, 来源:中国物理B(英文版) 年份:2021
Alpha particle radiation detectors with planar double Schottky contacts (DSC) are directly fabricated on 5-μm-thick epitaxial semi-insulating (SI) GaN:Fe film with resistivity higher than 1 × 108 Ω.cm.Under 10 V bias,the detector exhibit......
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