ala

alas, my funds have some limitations.

唉，我资金有限。

ALA is sulfury. (This is "good" for some and "bad" for others.

) ALA含硫磺的。这对于有人是好事而对于另外一人就不妙了。

Alas, my love, I must leave now.

哎呀, 天哪, 我得走了。

Objective Urine and salive N-acetyl-β-D-glucosaminidase (NAG) and urine δ-aminolevuline acid (ALA) and urine AKP were observed in smeltery workers.

目的探讨接触金属冶炼烟尘对废金属冶炼学监测指标的影响。

An efficient palladium-cocatalyst system for vinylation of unsaturated carboxylic acid has been exploited,among which aliphatic amines(ALA)are firstly used as cocatalysts.

以醋酸钯/邻菲洛林/脂肪胺为催化体系,丙烯酸和乙酸乙烯酯为原料,通过乙烯基交换反应制备丙烯酸乙烯酯。