英语人>词典>英汉 : valeric acid的中文,翻译,解释,例句
valeric acid的中文,翻译,解释,例句

valeric acid

valeric acid的基本解释
n.

[化]戊酸

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As for VFAs, acetic acid, butyric acid and valeric acid were totally metabolized, the residual VFAs were mainly propanoic acid.

其中,挥发酸中乙酸、丁酸和戊酸几乎100%被代谢掉,残余的挥发酸主要是丙酸。

In the pervaporation-aided esterification of valeric acid with ethanol, the valeric acid conversion is up to 95. 2%. The data about M5 selectivity and flux are measured for poly-component reacting system.

应用本文研制的化学改性聚酰亚胺膜,研究了渗透蒸发分离过程在戊酸乙酯合成反应中的应用,实验得到的戊酸最大转化率是95.2%,并研究了膜对多元反应物系的选择性,及膜的透过量。

The results showed that there were 8 kinds of aliphatic, 5 kinds of esters, 2 kinds of aldehydes, 2 kinds of nitrogen sulfur heterocyclic rings and one kind of hydrocarbon, alcoholics, ketone, lactones respectively in the analyzed 21 kinds of aroma components, and the content of furfural,β-methyl valeric acid, palmitic acid, nicotine, neohytadiene were higher, next were acetyl ethyl propionate, caleric acid, phenyl ethyl acetate, hydroxylic diethyl succinate.

结果表明,在分析出的21种香气成分中,分别有脂肪酸类8种,酯类5种,醛类2种,氮硫杂环类2种,烃类、醇类、酮类、内酯类各l种,其中相对含量较高的物质成分是糠醛、β-甲基戊酸、十六碳酸、烟碱、新植二烯,其次是乙酰丙酸乙酯、异戊酸、苯乙酸乙酯、羟基丁二酸二乙酯等。

N L-Leucine Producer,Strain No .145,was obtained from mutants resistant to α-amino-β-hydroxyl valeric acid and rifampin by mutagenizing Brevibacterium Tianjinese T6-13 with ul-traviolet rays,It produced L-Leucine up to 32mg/mL on shaker and 21.8mg/mL of L-Leucine was produced in 16 liter fermentor in 60 hours.

以天津短杆菌T6~13为出发菌株,采用紫外线进行诱变处理,筛选α-氨基-β-羟基戊酸和利福平抗性突变株,获得一株L-亮氨酸产生菌No.145,L-亮氨酸摇瓶产量可以达32.1mg/mL。在16L发酵罐中培养60h,L-亮氨酸产量可以达21.8mg/mL葡萄糖转化率可以达20%。

Better results could be obtained, For 40 hours fermentation, cell dry weight and PHB concentration reached 32.7 g · L-1 and 21.4g · L-1 respectively.The synthesis of Poly (β-Hydroxybutyrate-co-β-Hydroxyvalerate) by the strain G-IIIy from different precusor was studied. It was found that the strain G-IIIy could accumulate PHBV with sucrose as carbon source and propionic acid or valeric acid as precursor . In 2L self-controlled fermentor, the dry cell weight, PHBV concentration and PHBV content reached 35.8g·L-1, 22.6g·L-1 and 38.4% respectively in the case of fermentation for 42 hours and the propionic acid as precursor.

研究了添加不同前体物,G-Ⅲy菌株生产聚β-羟基丁酸和聚β-羟基戊酸共聚物的发酵条件,结果表明,此菌株能以丙酸或戊酸为前体,在蔗糖为碳源的条件下合成PHBV共聚物;在2L发酵罐中,以丙酸为前体,发酵16小时开始流加丙酸,根据发酵液pH值变化控制丙酸流加量,发酵42小时,细胞干重、PHBV产量和含量分别达到35.8g/L,22.6g/L,63.13%。

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valeric acid:纈草酸

又含棕榈酸,缬草酸(Valeric acid),愈疮木酚(Guaiacol),廿八烷(Dctacosane),芸香甙(Rutin,0.1%). 另含呋喃香豆精类,接触人的皮肤,可对光敏感

valeric acid:戊酸

Valerenic acid 缬草烯酸 | Valeric acid 戊酸 | Valeric acid ethylester 戊酸乙酯

valeric acid:缬草酸,缬草酸

valerianic acid 缬草酸,缬草酸 | valeric acid 缬草酸,缬草酸 | valeric chloride 戊酰氯

Valeric acid ethylester:戊酸乙酯

Valeric acid 戊酸 | Valeric acid ethylester 戊酸乙酯 | gammaValerolactone gamma戊内酯

5-chloro valeric acid:5-氯戊酸

轻质纯碱 SODA ASH LIGHT | 5-氯戊酸 5-chloro valeric acid | 吡喹酮 praziquantel

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