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[期刊论文] 作者:DU Chang-wen,ZHOU Jian-Min,WAN, 来源:土壤圈 年份:2004
A controlled release N fertilizer was developed by the carrier method using natural polysaccharides (PS)and urea. The results showed that mixing of PS and urea...
[期刊论文] 作者:WANG Huo-yan,ZHOU Jian-Min,CHEN Xiao-qin,DU Chang-wen, 来源:城市道桥与防洪 年份:2004
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:WANG Huo-Yan,ZHOU Jian-Min,DU Chang-Wen,CHEN Xiao-Qin, 来源:城市道桥与防洪 年份:2010
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:WANG Huo-yan,WANG Yun-hua,WU Li-shu,DU Chang-wen,XU Fang-sun, 来源:中国农业科学 年份:2004
Using tracer techniques with the radioisotope 45Ca, the effects of boron supply from soil andnutrient solution on the retranslocation of 45 Ca from leaves to ot...
[期刊论文] 作者:ZHANG Wen-Zhao,CHEN Xiao-Qin,ZHOU Jian-Min,LIU Dai-Huan,WANG Huo-Yan,DU Chang-Wen,, 来源:Pedosphere 年份:2013
Interaction of ammonium (NH+4) and potassium (K+) is typical in field soils. However, the effects of organic matter on interaction of NH+4 and K+have not been t...
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