The effect of factors, such as water content in meal, heating time and temperature, on enzyme activity and nitrogen solubility index were investigated, respectively.
分别考察了豆粕水分含量、加热时间和温度等单因素变化对豆粕中残余酶活的影响，并在此基础上设计了响应面实验进行参数的优化。
The selection principal of low toxic mixed solvent of CR adhesive is depended upon hydrogen bond index and solubility parameter of the solvent.
氯丁胶粘剂的低毒混合溶剂的选择原则是：根据溶剂的氢键指数及溶解度参数。
The methods of measuring the biological value of feed phosphorus including balance experiment, slope rate method, tri - index method, in vitro solubility and in vitro dialyse methods were reviewed.
本文就目前关于饲料中磷的生物学效价评定的方法即平衡试验法、斜率比法、估测法、三项指标综合法、体外溶解度法、体外透析法作一综述。
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