Fatty acid mixtures from Rubber seed Oil can be separated into five groups by urea method.
用尿素法分离橡胶子油脂肪酸为五个组分。
The results showed there was no evident difference in blood sugar and urea nitrogen among treatment groups.
结果表明，膨化和加酶处理玉米以及二者互作对断奶仔猪血清葡萄糖和尿素氮浓度均无显著影响。
The catalyst also contains urea and quaternary ammonium groups, and long-fluorine hydrophobic group which can reduce the surface tension of water.
该催化剂同时含有双脲基和季铵盐基团以及疏水基的长氟链。
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