目的解析大肠杆菌T蛋白的四级结构。
OBJECTIVE To describe the tertiary structure of T-protein from Escherichia coli.
很多蛋白质尤其是酶类，是低聚物，因此拥有四级结构。
A great many proteins, especially enzymes, are oligomeric and consequently possess quaternary structure.
用支持向量机和贝叶斯两种方法对蛋白质四级结构进行分类研究。
The quaternary structure was classified using support vector machine method and Bayes method.
抗体对蛋白质的四级结构产生应答，因此它们对同种异型抗原发生交叉反应的能力较弱。
Antibodies respond to the quaternary structure of proteins so their potential to cross-react with an alloantigen is very low.
一些蛋白质不只是由一个多肽链组成的，并且这些蛋白质亚基的结构产生了四级结构的。
Some proteins consist of more than one polypeptide chain, and the association of these subunits in the protein gives rise to the quaternary structure.
许多蛋白质结构主要用三种标准描述，但是如果蛋白质包含一个以上的多肽链，就必需考虑四级结构标准。
The structure of many proteins is mostly described in three levels, but a quaternary structural level must be considered if the protein consists of more than one polypeptide chain.
结论：鱼类血红蛋白与人血红蛋白之间没有互作，这一结果对了解血红蛋白的四级结构及分子进化都具有一定的意义。
Conclusion: No interaction between fish and human Hbs. This will significantly contribute to understanding quarternary structure and molecular evolution of hemoglobin.
四级模式体系结构以元数据为系统设计基础，使用四级映像技术，使得数据库系统具有更为完善的应用性能。
Because the database system is based on the metadata for designed system and is used four classes image technology, so it possesses the perfect performance.
熟悉语法与句型结构是提高四级听力成绩的一个重要途径。
Knowing well grammar and sentence structure is an important approach to improve the grade in CET - 4.
首次提出了分四级描述的结构模型，评价并总结了前人所提出的结构模型。
A four - grade pore structure model was brought forward for the first time, while all the previous structure models were evaluated.
本文正是基于这一理论和方法对大学英语四级考试中的词汇与语法结构部分的效度进行研究论证。
Based on this theory, this article is supposed to conduct a study of the validity of vocabulary and grammar and structures of CET4. Validity is one of the most important criteria of a test.
根据油田集输流程的结构及工艺特点，对换热后热水提出两级取热、四级利用方案，尽可能提高热水利用效率。
According to the structure and characteristics of the oil field's flow process, it takes "heat two, use four" program for hot water after heat transfer, to maximize water use efficiency.
最佳的系统结构是以铁路局计算中心为实时追踪处理点的四级计算机网络。
The optimum system architectures is the four-level computer network that centralizes the process of real-time tracing information in the computer centers at the railway bureau.
尽管大学英语四级考试测试的效度已被证明，但因为全国范围的大规模限制，无论从其表面效度、结构效度、内容效度还是同期效度上，都不能说它适合测量应试者的英语交际能力。
Obviously, though the validity of it has been proved, CET-4, which is limited by its large scale, is not an appropriate test for the purpose of testing communicative competence.
提出了伪四级流水结构概念，并在一种微处理器控制器中实现运用。
This paper introduces the conception of a pseudo-4-stage pipeline architecture and implements it in the controller of a microprocessor.
本文正是基于主位结构和主位推进理论，对大学英语四级写作教学展开实验和研究。
It is on the basis of thematic theory and thematic progression patterns that the thesis conducts the experimental teaching and research on the CET 4 writing.
本文正是基于主位结构和主位推进理论，对大学英语四级写作教学展开实验和研究。
It is on the basis of thematic theory and thematic progression patterns that the thesis conducts the experimental teaching and research on the CET 4 writing.
应用推荐