1.The paper discusses the preparation of stearic bicine diester for sizing agent and its application in paper-making.

1.论述了双硬脂取代甘氨酸酯施胶剂的制备及其在造纸中的应用。

2.Diester,diimide and dipeptide mimic compounds were synthesized by conjugated the amino groups and acid groups with diols or diacids links.

2.通过酯、反应由不同的醇或酸连接丁和普瑞林合成酯、、拟肽类等合物。

3.Diester deoxyaconitine is very toxic.When deoxyaconitine was transformed into mono-ester aconitum alkaloids and lipo-alkaloids by human intestinal bacteria, the toxicity decreased.

3.双酯型的去氧乌头碱的毒性较高，当它被肠内细菌转为单酯型和脂类生物碱时会使其毒性降低。