The humification cofficient of the wheat straw determined with the nylon bag method was 12.25%.
法测定小
在潮土中的腐殖化系数为12.25%。
The humification cofficient of the wheat straw determined with the nylon bag method was 12.25%.
法测定小在潮土中的腐殖化系数为12.25%。
Effects of polyvinylamine prepared by basic hydrolysis of poly(N-vinylformamide) on paper strength, drainage and retention of reed pulp and wheat straw pulp were investigated.
研究了由聚N-乙烯基甲酰胺的碱性水解得到的聚乙烯胺在芦苇浆和草浆造纸中对纸张的增强、助滤和助留作。
The Effect of Refining Treatment on Penicium ZCF57 Crude Enzyme Prebleaching Efficiency to wheat straw chemical pulp was investigated by using selected DED bleaching sequence.
结果表明草浆经木聚糖酶处理后助漂效果并不因为轻度打浆而减弱;在选定的试验条件下打浆也不能对酶助漂效果有明显的影响。
Aerobium were added to the compost using chicken manure and wheat straw as raw materials.Effects of transformation promoter on the chicken manure compost fermentation were investigated.
摘要 选鸡粪和小为原料进行高温好氧堆肥，研究促腐剂在鸡粪堆肥发酵中的应。
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