浓缩滤液结晶得到缬氨酸粗品;
D. concentrating the filter liquid for crystallization to obtain crude valine products;
另一种缬氨酸超出了23%,丙氨酸则是20%。
With another, valine, the excess was 23% and with alanine, 20%.
目的:合成光学纯的L-正缬氨酸。
缬氨酸是一种氨基酸。
缬氨酸:一种氨基酸,大部分在蛋白质中发现。
Valine: One of the essential amino acids, found in most proteins.
除了降低环境污染外,缬氨酸还可降低饲料成本。
In addition to reducing environmental effects, valine supplementation can reduce feed costs.
本文首先研究了缬氨酸在单根色谱柱上的分离情况。
First, the separation of L-Valine on a single chromatographic column was investigated.
植树细胞中丙氨酸和亮氨酸、缬氨酸的主要前体是丙酮酸。
In plant cells the principal precursor of alanine, as well as leucine and valine, is pyruvate.
总之这个词是指三个必需氨基酸-亮氨酸,异亮氨酸和缬氨酸。
In short the term refers to three essential amino acids - leucine, isoleucine and valine.
合并滤液和洗涤液浓缩并冻干以分离更昔洛韦L -缬氨酸酯。
The combined filtrates from filtration and the washings are concentrated and lyophilized to isolate ganciclovir L-valine ester.
目的:利用有机膜过滤和离子交换法分离提取发酵液中的L-缬氨酸。
Objective:Using organic membrane filtration and ion exchange to extract L-valine from the fermentation broth.
大竹蛏软体部分限制氨基酸为缬氨酸,必需氨基酸指数为49.88。
The limited amino acids were VAL, the EAAI was 49.88 in soft part.
结果以氯化铵作洗脱剂进行梯度洗脱,成功的将l亮氨酸与l缬氨酸分离。
Ammonium chloride is a better eluant, and L-leucine and L-valine can be separated successfully by gradient elution.
依照文献以d -缬氨酸为手性源合成一手性阴离子两亲性小分子化合物。
A chiral anionic amphiphilic compound derived from D-valine was synthesized according to the literature.
摘要:缬氨酸是猪必需氨基酸中的一种支链氨基酸,具有重要的生物学功能。
Abstract: Valine is an essential amino acid with branched chain and has important biological functions in swine.
摘要缬氨酸是猪必需氨基酸中的一种支链氨基酸,具有重要的生物学功能。
Abstract : Valine is an essential amino acid with branched chain and has important biological functions in swine.
磷酸盐。它是谷氨酸发酵过程中必需的,但浓度不能过高,否则会转向缬氨酸发酵。
Phosphate. It is essential glutamic acid fermentation process, but the concentration can not be too high, otherwise they will be to valine fermentation.
其中,尤以丙氨酸、缬氨酸、谷氨酸、脯氨酸、甘氨酸、丝氨酸含量的增加相当明显。
In them, the increments of alanine, valine, glutamic acid, proline, glycin and serine were considerable.
另有证据显示,液态水的存在加剧了左型异缬氨酸(或者称之为L型异缬氨酸)的形成。
Evidence suggests that the presence of liquid water amplifies levels of left-handed isovaline (L-isovaline) in asteroids.
本文对由115个水分子包围一个中性缬氨酸分子所组成的分子集团做了蒙特卡罗模拟。
The Monte Carlo simulation is performed for a cluster consisting of a neutral valine molecule surrounded by 115 water molecules.
缬氨酸是一种重要的有机手性源,主要应用于手性药物、手性添加剂、手性助剂等领域。
D-valine is one kind of important organic chiral source, mainly applies in the chiral medicine, the chiral chemical additive, the chiral assistant and so on.
但脊柱裂羊水中的苏氨酸、丝氨酸与异亮氨酸、亮氨酸、缬氨酸的比值明显地高于正常值。
Moreover the ratio of threonine and serine to isoleucine leucine and valine in the amniotic fluid of spina bifid a fetus is higher than normal.
但脊柱裂羊水中的苏氨酸、丝氨酸与异亮氨酸、亮氨酸、缬氨酸的比值明显地高于正常值。
Moreover, the ratio of threonine and serine to isoleucine, leucine and valine in the amniotic fluid of spina bifida fetus is higher than normal.
该方法具有操作简单、选择性好、清洁环保的特点,使缬氨酸的收率和质量得到显著提高。
The method has the characteristics of simple operation, good selectivity, cleanness and environment protection, so the yield and the quality of the valine are obviously improved.
必需氨基酸包括亮氨酸、异亮氨酸、赖氨酸、蛋氨酸、苯丙氨酸、苏氨酸、色氨酸和缬氨酸。
The essential amino acids are leucine isoleucine lysine methionine phenylalanine threonine tryptophan and valine.
必需氨基酸包括亮氨酸、异亮氨酸、赖氨酸、蛋氨酸、苯丙氨酸、苏氨酸、色氨酸和缬氨酸。
The essential amino acids are leucine, isoleucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
氨基酸组成分析表明其富含亮氨酸和缬氨酸,摩尔分数分别为21.72%和11.24%。
Molar content of Leu and Val were 21.72% and 11.24% respectively.
本文研究了以L-脯氨酸和L-缬氨酸为原料,通过构型转换制备D-脯氨酸和D-缬氨酸的工艺。
The preparation of D-proline and D-valine by configuration transformation from L-proline and L-valine has been intensively studied.
方法将血红蛋白经酸水解后,释放出氨甲酸缬氨酸,并进一步转化成缬氨酸乙内酰脲后进行定量分析。
Methods It was based on the quantification of valine hydantoin formed from the released carbamyl valine reside after acid hydrolysis of haemoglobin.
又称支链氨基酸。指氨基酸侧链上有分支的氨基酸如异亮氨基酸、亮氨酸和缬氨酸,它们都是人体必需氨基酸。
Branched-chain amino acids as essential amino acids, which is not only the raw materials for protein synthesis but also has special physiological and biological function.
应用推荐