wang hongyan meaning in English
王洪延
Examples
- 3 wang hongyan , wang duoxi , wang yinghua , et al . application of pattern recognition in a factor analysis - spectrophotometric method for the simultaneous determination of rare earth elements in geological samples . analyst . 1995 , 120 ( 5 ) : 1603
4王洪艳，杜国华，王多禧.模糊聚类因子分析法解析稀土配合物吸收峰的研究.高等学校化学学报. 1995 ， 16 ( 8 ) ： 1195 - Manure culture , normal chemical fertilizer culture , maize straw can all improve soil organic matter , soil total nitrogen and soil total phosphorus which will decrease if maize is continuously planted without any fertilizer . appliant : qi zhiyong major : ecology supervisor : prof . wang hongyan
不论有机肥料或化学肥料，对玉米都有较好的增产效果，且两者的增产效果没有差别，作物产量和土壤有机质含量、全氮、全磷含量呈显著正相关。