genetical造句

• Genetical type of proes in coal reservoir and its research significance
  煤孔隙的成因类型及其研究
• Genetical studies on dwarfism in cold region early japonica rice varieties
  寒地早粳品种矮生性遗传研究
• Application effects of genetical engineering enterbacter gergoviae - 7 to vegetables
  7在蔬菜上的应用效果
• Evaluation and preliminary genetical study of chinese soybean germplasm for symbiotic characters
  大豆种质资源共生固氮特性评价及遗传初步研究
• Principal component and cluster analysis on 13 genetical traits of 18 ethnic groups in inner mongolia
  内蒙古18个人群13项遗传指标的聚类分析与主成分分析
• A large quantity of simulation data indicates that , the toggle rules found by this genetical algorithm have good avalanche effects and diffusibility
  通过大量的实验统计数据表明这类演化规则具有良好的雪崩性、扩散性。
• No physiological , biochemical or genetical changes were found between marked strains 2 - 33 and 7653r during the growth and symbiotic process with a . sinicus
  光谱测定结果表明， gfp ’的光谱特性虽与wtgfp相同，但发光强度提高了1 . 25一243倍。
• According to the cloned gene cluster , people can use genetical technology to obtain the genetical strains which can produce more potent and non - toxical avermectins and its derivatives
  这使得人们可利用基因工程技术来构建工程菌，增加有效组分的产出和生产新型的阿维菌素。
• Conducts research programs on molecular - biological , genetical , biochemical , physiological and cytological aspects of plant development and plant breeding . english and german versions available
  -珍稀植物种苗及产品的研究，开发经营，培育及产品生产相配套的有关设备，主要针对楸树的相关研究。
• In order to obtain a new peptide antibiotics mutant molecule with strong antimicrobial activity and / or more simple structure , a mutant library was often constructed by genetical method and then the desirable mutant molecule was screened out from the library
  不同种类、不同突变体的肽抗生素活性有不同程度差异。为了获得结构简单、活性更强的肽抗生素，研究者们常常在克隆到肽抗生素分子后，通过构建其突变体库，从中筛选更理想的目的分子。
• Currently , the research methods can be classified into two main classes , that is , genetic linkage analysis and linkage disequilibrium analy - sis . the two methods explore recombination fraction and linkage disequilibrium coefficient correspondly which are used to measure genetical characters , moreover , statistical methods are used to execute gene mapping
  基因定位是人类基因组计划( hgp )重要目标之一，目前研究方法主要分为两大类：基因连锁分析与连锁不平衡分析。两种方法分别借助衡量遗传性质的重组率与连锁不平衡系数，并利用统计方法来进行基因定位。
• Methods : 1 . expression and purification of recombinant human ctla4 extracellular domain : a 400bp dna fragment of ctla4 extracellular domain was obtained from the pctla4 / ig plasmid with genetical technique . then , this dna fragment was inserted into ppic9 plasmid to construct the single copy plasmid of yeast expression system ( ppic9 - ctla4125 ) . furthermore , the multi - copy plasmid ( ppic9k - ctla4125 ) was constructed
  重组人ctla4胞外区蛋白在酵母gs115中的表达和纯化：首先通过基因操作技术，从pctla4八g质粒中扩增400hp的ctla4胞外区片段；将ctla4胞外区片段插人ppicg质粒中获取单拷贝酵母表达质粒ppicg ctla4125并进一步构建多拷贝酵母表达质粒ppicgk （ 。
• Abstract : a optimum design method in which the optimum shapes and dimension of cross sections are selected to minimize the structural volume and get the global optimum solution , is presented first by means of the method of the genetical gorithm . the numerical results show that the model is valid
  文摘:利用遗传算法，首次提出“取刚架截面形状和尺寸规格为设计变量，结构体积为目标函数，求全局最优解”这一优化模型.通过对各个计算环节的研究,确立了可行的计算方法,编制计算程序,并以算例证明该方法的有效性