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。
Results:Renal function improved in the two groups after treatment, Creatinine and blood urea nitrogen in combination group after treatment were all significantly lower than PD group(all P<0.05).
结果：两组治疗后肾功能均得到改善，联合组肌酐、尿素氮均低于腹透组，差异均有统计学意义（均P<0.05）；
The hydrogen bonds and their property of the polyether polyurethane-urea have been systematically studied. The results indicate that the NH groups are almost completely hydrogen-bonded.
本文用红外光谱法较系统地研究了聚醚型聚脲氨酯内的氢键及其性质，表明材料内的NH基团是几乎完全氢键化的。
The hydrogen bonds and their property of the polyether polyurethane-urea have been systematically studied. The results indicate that the NH groups are almost completely hydrogen-bonded.
本文用红外光谱法较系统地研究了聚醚型聚脲氨酯内的氢键及其性质，表明材料内的NH基团是几乎完全氢键化的。
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