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- phenylpyruvic acid positive 苯基丙酮酸阳性
- Thirty two microorganisms,including bacteria,yeasts and fungi,were screened for their ability to convert phenylpyruvic acid(PPA)into L-phenylalanine(L- Phe)with an amino donor,L-glutamic acid(Glu)and L-aspartic acid(Asp). 搜集了32株细菌、酵母和霉菌菌种,在以苯丙酮酸(PPA)作为底物,L一谷氨酸(Glu)和L-天冬氨酸(Asp)作为氨基供体,对其生物转化生成 L-苯丙氨酸(L-Phe)的能力进行了筛选。
- There was no rotavirus RNA identified but 3 specimen showed norovirus nucleic acid positive as 42.86% (3/7). 3份标本中检出Noro病毒核酸;阳性率为42.;86%25(3/7)。
- urine for phenylpyruvic acid test 尿苯丙酮酸试验
- strong acid positive ion exchange resin 强酸性阳离子离子交换树脂
- A high performance liquid chromatographic (HPLC) method for the determination of fatty acid positional distribution on triacylglycerols from lard has been established. 建立了一种采用高效液相色谱法(HPLC)分析猪油甘油三酯中的脂肪酸组成及其位置分布的方法。
- Keywords L-phenylalanine（Phe）;Phenylpyruvic acid（PPA）;Transaminase;Aspartase; 天冬氨酸转氨酶;L-苯丙氨酸;苯丙酮酸;
- The continuous synthetic process of 2,4 di tert butylphenol was studied in a tubular fluid bed reactor, while isobutylene was used as alkylating agent and strong acidity positive ion exchange resin as catalyst. 以强酸性阳离子交换树脂为催化剂 ,异丁烯为烷基化剂 ,在管式流化床连续反应器中研究了苯酚烷基化反应合成 2 ,4 二叔丁基苯酚的反应工艺。
- Compound heterozygous mutations were identified in the patient: We identified a heterozygous G-to-A transition at nucleotide 1010 in exon 3 of HR leading to the conversion of a glycin residue to a aspartic acid residue at amino acid position 337 (G337D). 结果发现患者HR基因存在两处杂合突变:第3外显子的1010位碱基由鸟嘌呤变为腺嘌呤,使第337位氨基酸由甘氨酸突变为天冬氨酸(G337D);
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- acidic positive ion exchange resin 强酸性离子交换树脂
- Keywords phenylketonuria;amino acids;phenylpyruvic acid;p hydroxyphenylacetic acid;derivation;GC/MS; 苯丙酮尿症;氨基酸;苯丙酮酸;对羟基苯乙酸;衍生化;GC/MS;
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗？那是个严峻的考验。
- phenylpyruvic acid 苯丙酮酸
- Keywords L-dopa;ion exchange;extraction;resin with strong acid positive ion ; 左旋多巴;离子交换;提取;强酸性阳离子树脂;
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- She dropped acid in high school. 她高中时代服迷幻药。
