aldehyde
n. 醛;乙醛
2026-05-05 13:20 浏览次数 14
n. 醛;乙醛
aldehyde mutase[生化]
cinnamic aldehyde[有化] 肉桂醛;桂皮醛
butyl aldehyde丁醛
aldehyde dehydrogenase[生化] 醛脱氢酶
aldehyde polymer醛聚合物
aldehyde alcohol醛醇
pelargonic aldehyde壬醛
ammonium aldehyde氨醛
protocatechuic aldehyde原儿茶醛
phenolic aldehyde酚醛
aldehyde group醛基
Dodecyl aldehyde十二醛
crotonic aldehyde[有化]
a method of preparing trimethylolethane from formaldehyde and propionic aldehyde in water was introduced in the presence of the base through cross cannizzero reaction.
介绍了以甲醛、丙醛为原料,水为反应介质,堿催化进行交叉康尼扎罗反应制备三羟甲基乙烷的方法。
this review mainly summarized the reaction mechanism and the method of methyl oxided into aldehyde group.
这一部分主要对甲基氧化生成醛基的反应机理、方法及化合物的用途进行综述。
the company has the most advanced wood-based panel production equipment, quality inspection apparatus and aldehyde production line.
公司拥有国内最先进的人造板生产设备、质量检测仪器和醛胶生产线。
the aromatic aldehyde compounds are a kind of fine chemicals and have the very broad market prospect.
芳香族醛类化合物是非常重要的一类精细化学品,具有很广阔的市场前景。
objective:to establish the contents determination method of( - ) -menthone, menthol, cinnamic aldehyde in po sum on oil by capillary column gas chromatography.
目的:采用高效毛细管气相色谱法同时测定保心安油中(-)-薄荷酮、薄荷脑和桂皮醛的含量。
the deactivation of hydrogenation catalyst of 3 - hydroxy propionic aldehyde was studied.
对3-羟基丙醛加氢催化剂的失活原因进行了研究。
purpose: to analyze the genotype frequency of aldehyde dehydrogenase-2 (aldh2), and evaluate the relationship between aldh2 polymorphism and drinking behavior in chinese.
目的:研究乙醛脱氢酶2 (aldh2 )基因多态性在江苏汉族人中的分布频率及其与饮酒习惯的关系。
the application of traditional wet strength agent such as aldehyde is restricted because of its impact on environment.
以醛类树脂为代表的传统湿强剂因对环境有不良影响,应用受到限制。
the body also have poison of furfural, use the husk, several and bran chaff do accessories, liquor distilled from furfural and other aldehyde content is higher.
糠醛对机体也有毒害,使用谷皮、玉米芯及麸糠做辅料时,蒸馏出的白酒中糠醛及其它醛类含量皆较高。
reaction is carried out under a fractionating column that allows aldehyde to pass but returns alcohol to the reaction vessel.
反应是在装有分馏柱的反应器中进行的,分馏柱能让醛通过但使醇回流到反应器中。
just steamed out white wine usually contains hydrogen sulphide, mercaptan, etc, and volatile sulfide also contains aldehyde etc excitant strong volatile material.
刚蒸出的白酒通常含有硫化氢、硫醇等挥发性的硫化物,同时也含有醛类等刺激性强的挥发性物质。
the fatty acids are then converted by the organisms to an aldehyde that includes a carbon atom bonded to an oxygen atom (together they create what's called a carbonyl group).
脂肪酸被生物体转化成包含碳氧双键即羰基的醛。
the enzyme aldehyde decarbonylase helps remove this group to form a chain of hydrogen and carbon atoms--the hydrocarbon.
乙醛脱羧酶帮助醛脱去羰基形成仅有碳氢原子组成的链,即碳氢化合物。
the results show that fruit yield and essential oil content from 7-10 years plants, and contents of essential oil and aldehyde from fruits collected at the red fruit stage are the highest.
结果:7~10年株龄果实产量及精油含量最高,红果期采收的果实精油含量和醛含量最高。
the liquor fusel oil and aldehyde content also have too much harm.
白酒中的杂醇油和醛类含量过多也有一定害处。
in conclusion, aldehyde as a novel protective agent, has excellent effects on lyophilization of platelets and is worthy to be further studied.
结论:乙醛作为一种新的保护剂,对血小板冷冻干燥有良好的效果,值得进一步研究。
badh gene encodes for betaine aldehyde dehydrogenase, an important enzyme for the biosynthesis of glycine betaine that plays a definite role in stress tolerance through osmoregulation.
badh是甜菜堿乙醛脱氢酶的编码基因,该酶是甜菜堿生物合成的一种关键酶,甜菜堿通过渗透调节发挥抗逆作用。
this is of course hypothetical, but it is aldehyde fixative for fixed tissue principle.
这当然是假设,但这就是醛类固定液用于固定细胞组织的原理。
and the results indicated that aldehyde content in beer had evident positive correlation with tba value.
结果表明,啤酒的乙醛含量与啤酒的tba值之间有明显的正相关性。
but you do not forget that half of the chinese people with the mutation of aldehyde dehydrogenase.
可您别忘了,中国人一半带有突变的乙醛脱氢酶。
and the contents of cinnamic aldehyde and menthol were determined synchronously by gc.
并用气相色谱法对制剂中肉桂醛和薄荷醇进行定量测定。
the activity of aldehyde dehydrogenase (ald6) of saccharomyces cerevisiaes controls the content of acetic acid in beer.
酿酒酵母中乙醛脱氢酶(ald6)活性的高低控制着啤酒中乙酸含量的多少。