查询词典 amino acid

Through the study on the crystallization process of aqueous solution of amino acids,dicarboxylic acids and complexes by streaming potential method,that will helps to further study on the crystallization or the precipitation process of amino acid complexes and the electrical characteristics on the solid-liquid interface.

通过流动电位法对水溶液体系中氨基酸、二元羧酸和配合物结晶过程的研究，有助于进一步研究氨基酸配合物结晶和沉淀过程相界面的动电现象。

The results of comparative analysis on NCBI-BLAST indicated that the cloned fragment contained 812 nucleotides and shared a homology of 90% with the reported sequence of germin gf-2.8 gene while its amino acid sequence shared a homology of 96%,A majority of the nine differences between and among the two sequences involve equivalent amino acids.

氨基酸序列的同源性为96％，其中有九个氨基酸不同，但基本上为同等氨基酸，并且符合germin中三组氨酸和一谷氨酸的草酸氧化酶活性位点的同源模型特征。

This papersummarizes the studies on glycinin including components,structure and gene families.The homogeneity of the glycinin gene sequences was compared by bioinformatics.Heredity Distances of the six glycinin genes were analyzed. Special emphasis is laidupon comparing the sequences and components of amino acids in the glycinin. Thecontents of major amino acids in the intact glycinin and in the acid and basic peptideswere analyzed. In view of others and our researches, we advance some new thinkingand tactics of improving rice nutritional quality by using glycinin genes.

本文在简要介绍大豆球蛋白组分、结构及基因家族后，采用生物信息学方法分析比较了不同种类大豆球蛋白基因之间的序列同源性，并对不同大豆球蛋白基因的遗传距离作了分析；本文还重点比较分析了不同大豆球蛋白的氨基酸序列和组成，以及不同酸性肽和碱性肽中重要氨基酸的含量，基于对前人工作的总结和我们的分析结果，本文提出了利用大豆球蛋白基因进行水稻营养品质改良研究的新思路和新策略。

This paper reviewed the research on dynamic and balance of soil nutrient pool under long-term fertilization conditions,mainly about some active aspects which included dynamic variations of total nitrogen,available N,total phosphorus,available P,total potassium,available K,and organic carbon in soil; dynamic variations of ammonium N,amino acid N,amino sugar N,unknown N,non hydrolyzable N and microbiomass N in soil nutrient pool; changes of Ca2-P,Ca8-P,Al-P,Fe-P,O-P,labile organic P,moderately labile organic P,moderately stable P,highly stable P and microbiomass P in soil; changes of loosely,stably and tightly combined humus,humic and fulvic acids in soil carbon pool; effects of long-term fertilization on organic-mineral complex status in soil; nutrients cycling and balance of agricultural soil nutrients pool.

扼要地概述了国内外近年来关于长期施肥条件下土壤养分库的动态与平衡方面的研究成果。主要介绍并讨论了土壤氮、磷、钾养分全量及有效量的动态变化，土壤有机碳含量的动态变化；铵态氮、氨基酸态氮、氨基糖态氮、酸解未知态氮、非水解残渣氮及微生物体氮在土壤氮库中的动态变化；Ca2 P、Ca8 P、Al P、Fe P、闭蓄态磷，活性有机磷、中度活性有机磷、中稳性有机磷、高稳性有机磷及微生物体磷在土壤磷库中的动态变化；土壤碳库中松结态腐殖质、稳结态腐殖质、紧结态腐殖质以及富里酸和胡敏酸的动态变化；长期施肥对土壤有机无机复合状况的影响；农田土壤养分库的养分循环与养分平衡。

One route was that the amino-groups on the silica gel were transformed to tertiary amines by Eschweiler-clarke reaction that amine-groups react with formaldehyde and methanoic acid to prepare tertiary amines; the silica gel intermediates with tertiary amine groups reacted with chorohydrocarbons to prepare insoluble silica gel quaternary ammonium salt bactericides. Another route was that the amino-groups on the silica gel reacted with excessive chlorohexadecane; the preparing intermediates were quaternized with iodomethane to obtain insoluble silica gel quaternary ammonium salt bactericides.

一条路线是根据埃施韦勒-克拉克(Eschweiler-clarke)胺甲基化反应，进行胺基叔胺化反应，制成带有叔胺官能团的硅胶中间体，此中间体上的叔胺与卤代烷反应生成杀菌活性官能团季铵盐，制成硅胶类水不溶性季铵盐杀菌剂；另一条路线是带有胺反应活性中心的硅胶与过量正氯代十六烷反应，得到的中间体再用碘甲烷季铵化，得到最终产品——水不溶性季铵盐杀菌剂。

RbcL gene was obtained by polymerase chain reaction and cloned into pDM19-T vector. The positive clone identified by PCR was sequenced. The nucleotide sequence was 1266 bp long, including an ORF of 1031bp, encoding a putative 343 amino acids. The deduced amino acid sequence had a high identity above 94.13% with that of tobacco, spinach, sweet potato, corn, Arabidopsis thaliana, Oryza sativa, Vitis vinifera, Marchantia polymorpha and Citrus paradise.

阳性克隆鉴定后进行测序，序列分析结果表明：该基因片断长为1266 bp，包括1031 bp的编码区序列，编码343个氨基酸；其编码区氨基酸与烟草、菠菜、玉米、甘薯、拟南芥、水稻、葡萄、地钱和葡萄柚等9个物种的同源性94.13%以上，并构建了它们间的亲缘关系树。

The results showed that the gene and amino acid sequence homology between seven species are over 44.3% and 47.90/o, respectively. In addition, conservation of three sequences: EQCGSQAGGALCP, CCSQFOWCGST and CQSQC in the 40 amino acids sequence at the beginning of the N-terminal chitinase mature protein is very high, The conservation of eight Cys at the sites of 3,12,17,18,24,31,36,40 is 100% Finally, the chitinase signal peptide gene from Phaseolus vu?

结果表明七种基因之间有44.3％以上的同源性，蛋白之间有47.9％以上的同源性，而且在成熟蛋白N端前40个氨基酸序列中分别位于1～13、17～27和36～40位的EQCGSQAGGALCP、CCSQFGWCGST和CQSQC序列区保守性很高，尤其是位于第3、12、17、18、24、31、36、40位的八个半胱氨酸的保守性达到100％。

The international nutrient value assessment method was applied to the overall assessment of the protein nutrient value of Pholiota adiposa mycelia. The assessing result showed that the total essential amino acid in Pholiota adiposa mycelia was very high, making up to about 40.0% of the total amino acids.

相对黄伞子实体的栽培而言，通过液体发酵技术生产黄伞菌丝体具有产量高、周期短、不受气候变化的影响、条件易于控制等优点，因此，对黄伞菌丝的液体发酵工艺和菌丝体的营养价值进行研究具有重要的实际意义。

The method to determine the primary amino content in the polymethylene polyphenyl polyamine through the quantitative diazo reaction of primary amino and nitrous acid was researched.

研究了利用伯胺基与亚硝酸定量发生重氮化反应测定多苯基多次甲基多胺中伯胺基含量的方法，确定了最佳测定工艺条件，其分析结果的最大相对误差及相对平均偏差在0。

Amino acid mutant site A43V locates in N-terminal headpiece of represser protein which binds specifically to DNAand amino acids mutant sites S93L, S102N, G315S, Q180R, M2491, I283T all locate in the core region of represser protein which binds to IPTG.

氨基酸突变位点A43V位于阻遏蛋白氨基末端，是阻遏蛋白和操纵基因的结合区；S93L、S102N、G315S、Q180R、M249I、I283T均位于阻遏蛋白核心区，即阻遏蛋白和IPTG结合区。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。