...学镀镍;中温;高磷;乳酸;复合配位剂 [gap=1081]Keywords: electroless nickel plating; middle temperature; high phosphorus; lactic acid; composite complexing agent ..
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From field experiment ,it were also indicated that crop economic yields got to the highest under the treatment of middle irrigation (W2:1050m3/hm2) and high phosphorus (P2:150kgP2O5/hm2).
大田试验结果表明,经济产量以中灌(1050m3/hm2·次)和高磷(150kg纯P2O5/hm2)处理最高。
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