查询词典 specificity

Such specificity might be of interest to people like tennis players and javelin throwers.

网球和标枪运动员对这种专一性可能会感兴趣。

Its expression specificity began at the somites stage, mainly in the nervous system of the head.

Nspc1/pcgf1是在果蝇及哺乳动物中广泛表达的一个多梳家族基因。

One pair of primers that amplified the gB gene of pseudorabies viruswas designed and synthesized.PCR technique detecting the DNA of PRV was established after selecting the best reaction conditions.This technique was applied to specifically amplify the 281 bp DNA fragment of the PRV strains including Fa,Fb,Bartha,BJ,GD,V2F4,S,S3,SR,Buk,Shope,Norden,Mink Ⅲ,HB,F8,F9 and F12 in cultured samples.The negative results were achieved from Vero cells,swine vesicular disease virus,hog cholera virus,Japanese encephalitis virus,porcine reproductive and respiratory syndrome virus,porcine parvovirus,foot and mouth disease virus F29 strain,O3I3 strain,T509 strain and O Ⅱ MF249 strain.The results of sequencing showed that the PCR method was of specificity.The sensitivity of PCR reached 15.8 pg of PRV Fa strain DNA.The tissue samples obtained during 1994 and 2000 were detected,and the results showed that the sensitivity of PCR was more sensitive than virus isolation and the Sandwich ELISA.The PCR was applied to detect 191 tissue samples from 31 pig farms obtained from Guangdong,Fujian,Hainan Provinces during 1999 and 2000,50 samples(26.2%)were positive and 22 pig farms(71%)were positive.

根据伪狂犬病病毒gB基因的序列，设计并合成了一对引物，以闽A株细胞培养毒为模板，筛选最佳反应条件，建立了检测PRV的PCR方法应用该方法对Fb、Bartha、BJ、GD、V2F4、S、S3、SR、Buk、Shope、Norden、MinkⅢ、HB、F8、F9、F12等毒株的细胞培养液进行基因扩增，均获得了分子量为 2 81bp的特异性目的DNA片段，而对Vero细胞与FMDV、SVDV、HCV、PRRSV、JEV、PPV等病毒进行检测，结果均为阴性，没有出现交叉反应对PRV毒株扩增的产物测序，结果序列与文献报道一致，证明PCR扩增产物和方法的特异性对 1994～ 2 0 0 0年期间送检的临床样品和保存的PRV毒种，用病毒分离、双抗体夹心ELISA和PCR等 3种方法进行检测，结果前 2种方法检测为阳性的，PCR检测均为阳性；PCR检测为阴性，前 2种方法检测也为阴性；可是，前 2种方法检测为阴性的，PCR却检测出部分阳性；经x2 检验，证明PCR检出率明显高于前 2种方法的检出率对PRV闽A株细胞毒提取物DNA进行检测，其最低检出量为 15 8pg 对 1999～ 2 0 0 0年期间广东、福建、海南等省的 31个大中型猪场送检的 191份病料进行检测。

MRCP has a high sensitivity and specificity in the evaluation of the bile duct and pancreatic ducts base on the data.

MRCP 在胰胆疾病的估价方面具有高敏感性和特异性，胆道病优于胰腺病，且无创伤性，可作为常规的胰胆疾病的诊断手段。

We detected for the first time in Asia a human rotavirus with G5 specificity.

轮状病毒每年大约在全球引起352000~592000的婴儿和儿童死亡。

No differences were observed between the two groups for RDW. AUC ROCs of MCV, RDW and erythrocyte fragility in the diagnosis of thalassemia were 0.877, 0.630 and 0.796, respectively. The cut-offs of MCV, RDW and erythrocyte fragility was 88 fL, 15.9%, and 37.5%, respectively. The sensitivity and specificity of MCV were 92% and 73.5%, respectively, 73% and 58% for RDW and 85% and 75% for erythrocyte fragility.

在诊断地贫时，MCV的ROC曲线下面积为 0.877，最佳临界值为88fL，该临界值的敏感度和特异度分别是92%和73.5%；红细胞脆性的AUCROC为0.796，最佳临界值为37.5%，该临界值的敏感度和特异度分别是85%和75%；RDW的AUCROC为0.630，最佳临界值为 15.9%，该临界值的敏感度和特异度分别是73%和58%。

ISD was detected in 50/105 (47.6%) of pancreatic resections for ductal adenocarcinoma, but not in any resections with chronic pancreatitis only (specificity 100%; sensitivity 47.6%).

我们发现，ISD出现于50/105（47.6%）导管腺癌的切除标本中，而在仅患慢性胰腺炎的切除标本中却无任何ISD（特异性100%，敏感性47.6%）。

The homeodomain is responsible for binding to DNA, and experiments to swap homeodomains between proteins suggest that the specificity of DNA recognition lies within the homeodomain, but (like the situation with phage repressors) no simple code relating protein and DNA sequences can be deduced.

同源域负责结合DNA，在蛋白质之间交换同源域的实验证实了这一结论。但（就像噬菌体阻遏子的情形一样）并没有推出联系蛋白质与DNA序列的简单机理。同源域的C端和原核生物阻遏子α-β-α超二级结构有一定的同源关系。我们回想第13章，λ阻遏子有一个&识别螺旋&（α-螺旋-3）DNA的大构接触，而另一个螺旋（α-螺旋-2）位于 DNA的拐角。

Objective\ Preparing single-stranded probes in place of double- st randed probes to improve the hybridization efficiency and specificity of randomized terminal linker-dependent PCR.

目的 制备单链探针替代原有的双链探针，以解决RDPCR技术中存在的杂交效率较低及特异性较差的问题。

In this review, the molecular structure, substrate specificity, catalytic mechanism and other physicochemical parameters of laccase are summarized. The role of laccase in plant cell wall formation and pathogen virulence are discussed.

本文叙述漆酶的分子结构、底物特异性及其物理化学特性，并讨论漆酶的酶促反应机理和生物学功能，包括植物漆酶参与细胞壁的形成以及漆酶与病原菌毒力的关系。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。