乙醛

Adding the threonine has significant impact on the results of acetaldehyde in all of LAB.

Mn2+、蔗糖、Vc的添加对乳杆菌生成乙醛有明显的促进作用。

Whole series of organic compounds, among them acetaldehyde, acetic acid, and acetic

对于整个系列的有机化合物，包括乙醛、乙酸

The synthesis of acrolein by means of the catalytic vapor phase condensation of formaldehyde and acetaldehyde was studied.

利用冷凝甲醛和乙醛的气相催化法，来研究丙烯醛的合成。

Food and acetaldehyde for the preservation and improvement of taste.

美国食品中也加入乙醛，用以保鲜和改进味道。

The human exposure levels of formaldehyde and acetaldehyde in hospitals were discussed.

对医院甲醛、乙醛在人体内的暴露水平做了讨论，与其他类似场所相比，医院的暴露风险相对较小。

The corresponding reaction of acetaldehyde is subject to general base catalysis.

乙醛相应的反应服从广义的碱催化。

The effect of restrain induced by acetaldehyde is stronger than that by alcohol.

结果表明，乙醇、乙醛对星形胶质细胞生长有明显抑制作用。

Since acetaldehyde greater irritant to the kidneys, thereby causing damage to renal function.

由于乙醛刺激更大的肾脏，从而损害肾功能。

Acetaldehyde generated from the 2 - butene aldehyde carbonyl and the reaction is the condensation of methylene ...

由乙醛生成2－丁烯醛的反应是羰基与亚甲基发生缩合的。。。

In Figure 2, the reaction of MDNPH with acetaldehyde in sulfuric acid is presented.

图2、反应与乙醛mdnph硫酸案。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。