醋酸

Absorbent cotton fibers were dissolved in trifluoroacetic acid,and then precipitated in the chitosan solution.

以三氟乙酸在无水条件下溶解脱脂棉纤维，在壳聚糖的醋酸溶液中析出。

In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone .

在醋酸、聚乙二醇存在下，铬酸酐和苊在温和的条件下反应，苊可以完全转化为苊酮。

Selectivity of acetal was obtained over the Cu/HY-25 catalyst at the temperature of 413K.

通过铜盐与酸功能组分的匹配，以醋酸铜和HY-25分子筛制备的催化剂，在413K生成乙缩醛的选择性大于80％。

Yield of acetate and reaction selection are raised, consumption of acetaldehyde are reduced, and by-products are also reduced.

实施后提高了醋酸收率和反应选择性，降低了乙醛消耗，减少了副产物，取得了良好的效果。

To explore the effect of lead acetate on the growth of murine mesenchymal stem cells in vitro.

目的：探讨醋酸铅对小鼠骨髓间充质干细胞生长的影响。

In this paper, the kinetics of minisuspension polymerization of vinyl acetate was investigated.

本文主要对微悬浮法合成聚醋酸乙烯酯的动力学进行了研究。

The company was founded in 2001, operates mainly in acrylic, celluloid, acetate fiber production and trade.

本公司成立于2001年，主要经营压克力、赛璐珞、醋酸纤维板的生产和贸易。

Objective To investigate the effect of lead acetate on the growth of cultured hippocampal neural cells and expression of nNOS.

目的 研究不同剂量醋酸铅对原代培养的海马神经细胞生长和神经元型一氧化氮合酶表达的影响。

Such high calcium acetate can be made of many familiar dishes.

这样高钙的醋酸可做成许多熟悉的菜肴。

As for color, or high-level material of the clothes, not to use acetic acid to wash Oh, because acetic acid has bleaching effect, aqueous ammonia can be use to wipe.

至于有颜色或高级质料的衣服，则不要用醋酸来洗哦，因醋酸有漂白作用，可改用阿摩尼亚水溶液来擦拭。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。