查询词典 recombination

The following experimental results are obtained:(1) Through the dissociation and ionization of sodium amide in a shock tube with a magic hole to provide sodium ions and electrons, the three-body recombination rate coefficient of sodium ion with electron is determined under the condition of argon atoms acting as the third body in the collision process:〓. The experimental temperature range is from 1400 to 2700K, extending the limitation of the flame method.

实验获得了如下结果：（1）在魔洞型单脉冲激波管上以氨基钠粉的高温分解和电离提供钠离子和电子，测定了以氩原子为碰撞第三体时钠离子与电子的三体复合速率系数〓，实验测量温度范围1400～2700K，拓宽了火焰方法测量结果的局限。

A basic knowledge of microbiology, will be detected with a microscope observation of micro-organisms, medium Preparation, disinfection and sterilization, separation and purification of micro-organisms, bacteria counting method A chemical analysis of the theoretical knowledge and can use chemical analysis methods and equipment of the components of material analysis Master fermentation process principles, understanding of beer, liquor, fermentation production technology Master protein related knowledge, PAGE gel electrophoresis technology, high-speed centrifugal Genetic engineering master the basic theory of knowledge, the extraction and purification of genes, PCR principle, gene recombination technology Master of the basic theoretical knowledge, the immobilized enzyme, the enzyme preparation Application Master of animal and plant tissue culture techniques of experimental steps studied experimental apparatus: Balance (scales, electronic scales, Analytical Balance), or acidity, spectrophotometer, liquid gas chromatography, acid-base titration apparatus, microscopes, centrifuges, ultrasonic cleaning, constant temperature oscillation incubator, super-clean table, steam sterilization pot, the pot constant temperature water bath, PAGE device apparatus, oven, fermenter, such as PCR instrument.

具备微生物理论基础知识，会用显微镜检测观察微生物，培养基的制备、消毒与灭菌，分离与纯化微生物，细菌的计数法具备分析化学的理论知识，能运用化学分析和仪器分析方法对物质的组分进行分析掌握发酵工艺原理，了解啤酒、白酒、发酵生产工艺掌握蛋白质相关知识，PAGE凝胶电泳技术，高速离心掌握基因工程的基本理论知识，基因的提取和纯化，PCR技术原理，基因重组技术掌握酶的基本理论知识，酶的固定化方法，酶制剂的应用掌握动植物组织培养技术的实验步骤学过的实验仪器：天平（台天平，电子天平，分析天平）、酸度计、分光光度计、液气相色谱仪，酸碱滴定仪器，显微镜，离心机，超声波清洗器、恒温振荡培养箱、超净工作台，蒸气灭菌锅、恒温水浴锅，PAGE电泳装置仪器、干燥箱、发酵罐、PCR扩增仪等。

For MOS capacitors, the saturation current is mainly attributed to the electron-hole pair recombination mechanism. But for MOS capacitors, the saturation current is mainly attributed to the electron-hole pair generation mechanism, and is also controlled by interface trap densities, bulk traps, and suboxide.

对於N型矽基板上的氧半电容而言，其饱和电主要为电子电对在界面及空乏区的合机制，但是对於P型矽基板上的氧半电容而言，其饱和电受控於空乏区内电子电之产生与表面陷阱电荷，矽基板内缺陷，还有次氧化层。

A structure formed during homologous recombination after synapsis.

联会之后的同源重组过程中形成的结构。

Meiosis is the most important reproduce and favoured by organisms. The key events of meiosis identified are pairing, synapsis, genetic recombination, segregation.

李丽减数分裂是生物体重要的有性生殖方式，它提供来自母本和父本的基因信息，产生具有生物多样性的子代，使其能够适应环境的变化而不断进化。

The DSC thermogram of retrogradated sweet potato starch with polysaccharide gums shows two peaks. One is melted amylopectin, and another one is an exothermic peak (87~105 ℃), which results from recombination of polysaccharide gums and SPS.

多糖胶加入甘薯淀粉中使回生的混合体系在DSC温度扫描中出现一个支链淀粉熔融峰和一个多糖胶分子与甘薯直链淀粉分子重新结合引起的放热峰(87~105℃)。

The origins of the more irulent strains of Toxoplasma were first documented in a 2001 Science paper from Boothroyd's group; the researchers found that the recombination of two relatiely benign strains of Toxoplasma can result in a thousand-fold increase in their ability to cause serious disease.

Boothroyd等人在2001年《科学》的文章中记载了弓形虫毒性菌株的来源，他们发现将两种相对良性的弓形虫菌株重组后，新菌株的致病性呈千倍上升。

It may easily fast appraise the intestinal tract pathogenic bacteria using the trisaccharide iron urea indol culture medium recombination

应用三糖铁尿素靛基质培养基再结合血清凝集可简便快速地鉴定出肠道致病菌。

The results from Monte Carlo simulation show that the estimate of recombination fraction is consistent with its true value, and the formula of its standard error is validated.

Monte Carlo模拟研究表明，最大似然法得到的重组率估计值与真值接近，并验证了重组率估计值标准误公式。

In order to avoid prolin residue inhibiting enterokinase cleavage, 9bp of MGF cDNA 5′ end sequence was truncated by primer, then the obtained truncated MGF des(1-3MGF cDNA (321 bp) was subcloned in pET32a vector to construct a prokaryotic recombination expression plasmid.

通过RT-PCR从拉伸刺激的人成骨细胞中克隆MGF cDNA序列，并去除5'端9 bp的序列，使N端缺少对肠激酶(Enterokinase， EK)具有抑制作用的脯氨酸，将截短型MGF des(1-3 MGF cDNA序列克隆入pET32a质粒，构建重组表达质粒。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。