虽然巢式和半巢式PCR等能显著提高扩增的特异性，而应用于高变异区的扩增结果仍是杂带多或涂抹严重，不能满足后续实验需要。
Although using nested or semi-nested PCR can prominently increase PCR specificity, it really cannot efficiently amplify quick evolving region of DNA in our research of gene Fak56D.
它制造血清素传递启动区。s/s变异比s/l或l/l变异携带者在他们脑中似乎血清素活动更少。
People with the s/s variant appear to have less serotonin activity in their brains than people with the s/l or l/l variant of the gene.
目的对丙型肝炎病毒(HCV)NS5B区基因克隆并测序，研究其变异状况。
Objective to clone and sequence HCV NS5B gene, and to investigate the mutation of the gene.
本研究旨在检测鼻咽癌组织中PIK3CA两个热点突变区的突变，以及该基因的变异与鼻咽癌发病的关系。
This study was to screen for mutations in the hotspot mutation regions of PIK3CA in nasopharyngeal carcinoma(NPC), and explore the correlation of PIK3CA mutations to tumorigenesis of NPC.
目的：分析乙型肝炎病毒（HBV）前C区基因变异在肝纤维化形成中的作用，探讨肝纤维化与一氧化氮的关系。
Objective:To analysis the effects of HBV pre-C mutation in hepatic fibrosis and discuss the relationship of hepatic fibrosis and nitric oxide.
以土壤含水量作为反映土壤特性的综合性指标，研究了充填煤矸石复垦地、充填粉煤灰复垦地和未塌陷区对照地的含水量变异的结构性。
Soil water variation structure in normal farmland and in reclaimed land by filling gangue and flyash was studied by taking the soil water capacity and variability as a synthetical index.
此法适合于创面巨大、受区血管受损、胸脐皮瓣血管变异、缺乏显微外科技术时应用。
This method could be widely used in giant surface wound, blood vessels damage of accepting region, variation of epigastirc inferior vessels, microsurgery skill and apparatus defect.
易与骨折混淆的鼻区正常结构有鼻骨缝、鼻骨孔、缝间骨及鼻骨正常变异。
There were some normal nasal structures which were susceptible to be confused with fracture, such as bone suture, internasal aperture, intersuture bone, and normal variations.
目的探讨丙型肝炎病毒（HCV）包膜区变异与其感染慢性化的关系。
Objective To study the association of the envelope region variation of hepatitis C virus (HCV) with the chronicity of HCV infection.
研究结果表明，这个长度热点突变区的核苷酸序列分析是研究小麦与山羊草叶绿体基因组之间遗传变异关系的一个非常有效的途径。
The results indicate that the sequence analysis of the hotspot region is a very powerful tool to investigate genetic variations of chloroplast genome in Triticum and Aegilops.
分布在高速区的地震，主要活动在高速区内的速度变异地带。
The earthquakes in high velocity area were mainly occurred in variation belt.
目的分析疑有染色体异常个体的9号染色体异染色质区的变异。
Objective:To analysis the aberration of chromosome 9 heterochromatin for persons suspected to have chromosome abnormalities.
这些突变分布于atm基因整个编码区，每个外显子都存在基因变异位点，没有发现明显的突变热点。
These gene mutation distributing in all over the whole coding section of ATM gene. Every Exon exist the gene mutated site and no obvious hot mutated site be discovered.
区域性垂直形变异常区与水平形变的高应变分布区共生的特征。
It shows common features of regional vertical deformation anomaly area and high strain distribution area of horizontal deformation.
基因芯片检测慢性乙型肝炎不同证候的HBV前C区基因变异。
HBV gene mutation along different types of TCM syndrome are detected by microarray assay.
研究慢性乙型肝炎患者HBV前C区基因变异的变化规律与中医证候的相关机制。
To study mechanism of relationship HBV gene mutation in chronic hepatitis B patients with TCM syndrome.
研究了垂直形变异常与地震的对应关系，地震发生在垂直形变隆起区的边缘形变高梯度带上。
And the corresponding relationship between crustal deformation and earthquake is researched, the earthquake oc curred in high gradient belt along the edge of vertical deformation upward district.
提出了一种基于带有变异算子的改进粒子群算法对二冷区水量进行优化的新方法。
A novel method based on modified particle swarm optimization (IPSO) with mutation algorithm was proposed to optimize water quantity in secondary cooling process in the continuous slab casting.
管胞长度的种源区和产地效应很小，无一定的地理变异趋势。
There were very small effect of seed source and no definite geographic pattern in tracheid length.
而且矿区、矿化集中区还位于反映深部构造变异的局部重力异常区边缘、区域航磁走向中断区或梯度变化带附近。
Ore zones occur in the edge of local positive gravity anomaly, in the strike interrupted area or steep gradient area of regional aeromagnetic anomaly.
目的：探讨慢性乙型肝炎患者HBV前C区变异与宿主免疫之间的关系。
Objective: To study the relationship between the HBV pre-C mutant and the host immunity.
本文通过对4个感染不同等级稻叶瘟的水稻冠层反射光谱进行测试，并对光谱反射曲线进行微分分析，研究了绿光区、红光区和近红外区反射光谱的变异特征。
Rice spectrum features at green, red and near infrared regions were studied by measuring and analysing rice canopy reflectance and differential spectrums with 4 levels of rice leaf blast.
Vyse博士及其同事报告称，统计分析确定“没有一个基因型变异与TNFSF4上游区的这种联系有关” 。
Statistical analysis established that "no single genotyped variant is responsible for the association in the upstream region of TNFSF4, " Dr. Vyse and colleagues report.
建立乙型肝炎病毒变异基因诊断芯片对拉米夫定治疗慢性乙型肝炎过程中出现的肝炎病毒P基因区YMDD变异进行快速准确的检测方法。
To set up using the gene chip technology to detect and identify quickly and accurately the HBV P gene YMDD Motif mutation during the chronic hepatitis treated with lamivudine.
暂存区是联系在一起的不同变异语言使用的是哪一种语言把。
Registers are language variations associated with the different use to which language is put.
族群特性在穿越一个地理区不同的地理环境之间之变异性。
Variation in population characteristics across a geographical area; may be related to environmental gradients or may have no functional significance.
目的研究大鼠疑核（NA）心抑制区的一氧化氮（NO）对心率（HR）和心率变异性（HRV）的影响。
Objective To study the effects of nitric oxide(NO) in cardioinhibtory sites within the nucleus ambiguous(NA) on heart rate(HR) and heart rate variability(HRV) in anaesthetized rats.
利用样条函数在同一区域上的变异，建立半解析样条元位移场函数。
This paper makes use of the different type of spline function in the same domain to make the displacement function of the semi-analytical spline element.
就中，米粒白垩质之等级的试区变异方向与三试区稻谷粒充实发育期间外界之气温和累积日照时数之试区变化方向一致，呈由南而北依次遁增。
The degree of rice grain chalkiness increased with increasing mean temperature and sunshine duration from the south to the north during the grain ripening stage.
通过对北京市通州区徐辛庄镇土壤剖面水分的研究，得到了京郊平原区粮田的土壤水分垂直变异特征为各层间的变异表现出明显的层次性；
In this article, the vertical variable patterns of soil water of field in Beijing suburbs are studied. Soil water is significantly different in different layers.
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