英汉词典

1.METHODS The CCK-4 peptides were condensed from N-protected Trp, met, Asp and C-protected Phe by Mixture anhydrides method, resulting in total yield of 38.5%.

方法以N -保护的色氨酸、甲硫氨酸、天门冬氨酸和C -保护的苯丙氨酸为原料，采用混合酸酐法合成了CCK四肽，总收率38.5%。

2.It was studied on the curing activity of DCPD phenol epoxy resin with anhydrides and amines.

研究了DCPD酚环氧树脂与酸酐及胺类固化剂的固化反应活性。

3.The RG Dipeptides were condensated from N-protected Arg and C-protected Gly by mixed anhydrides method. Then Asp and RG Dipeptides were synthesized RGD Tripeptides in liquid phase.

由N-保护的精氨酸、C-保护的甘氨酸采用混合酸酐法缩合成RG二肽，再与天冬氨酸在液相中合成RGD三肽。

4.The analysis results revealed that good separability of alicyclic anhydrides could obtain on OV-17 column.

分析结果表明，这四种脂环族酸酐均能在OV - 17毛细管色谱柱上获得很好的峰形和分离效果。

5.Dicyclopentadiene dioxide was hardly cured by amines or acid anhydrides alone, but can be well cured by acid anhydrides mixed with alcohols.

二氧化双环戊二烯难于被胺或单独的酸酐所固化，但能很好的被酸酐与醇所固化。

6.The reaction with dicarboxylic acid anhydrides results in an acid addition product, which alters the ratio of free basic to free acidic groups in gelatin, so as to lower the isoelectric point.

而二元酸酐酰化反应可改变氨基、羧基的比例，从而降低了明胶的等电点。