查询词典 specificity

Fluorogenic quantitative polymerase chain reaction is an emerging technique with high specificity, susceptibility, automatism and has been widely used for the detection and quantification of microorganism, some genetic diseases and cancer.

定量PCR技术以其高特异性、高灵敏性以及高自动化等特点在临床病原微生物诊断、部分遗传性疾病诊断和癌症辅助诊断等方面得以广泛应用。

The niche breadth could be used as an index for evaluating the host specificity of gamasid mites, whose similarity in population distribution was largely related to that of their hosts, as well as their taxonomic distance.

生态位宽度可以作为评价革螨宿主特异性的定量指标，革螨种群分布的相似性与其宿主的相似性程度有着很大的关系，并受其动物分类学远近的影响。

S-RNase-mediated gametophytic self-incompatibility is controlled by a multiallelic S-locus at which two separate genes, the female and male specificity determinants, are tightly linked.

配子体自交不亲和由具有多基因的单一位点S位点控制，该位点包括紧密连锁的雌性和雄性S决定因子。

The non-specificity of its components raises the question as to how generalizable its diagnostic usefulness might be to other chronic lier diseases.

该方法的非特异性引出一个问题：怎样扩大它的诊断有效性的适用范围，使其包括其他慢性肝病。

Objective To study the genomic specificity and variation of Hepatitis G virus in China.

目的 研究中国庚型肝炎患者分离的病毒基因的特异性及变异规律。

The genus specificity was validated with 47 strains including wild type isolates. Preliminary screening of soil samples with Gordonia-specific primers was successful in the rapid detection of the presence of 36 Gordonia wild-type isolates.

经多序列分析比对软体计算并比较gyrB基因序列，可知Gordonia菌属与7种邻近放线菌的gyrB基因序列相似度介於72.8-82.1%，而在16S rDNA序列相似度则介於90.0-95.4%，gyrB基因可明显区分Gordonia菌属与其他属之放线菌。

The established method was much better than other methods for measuring chloride because of cost saving ,accuracy,precision,wide linearity range,good specificity and stability and its resisting interference from haloid elements such as bromine and iodine and thiocynate etc.

该方法测定成本低，准确、精密、线性范围宽，稳定性好，在抗卤族元素溴、碘及硫氰酸等阴离子的干扰方面，显著优于其他方法

Objective:Through observing the positive detect rate of hemoculture, Widal reaction,lipopolysaccha-ride passive hemagglutination assay and fluorescent quantitation polymerase chain reaction in those fever patients who have highly suspected infectious with salmonella paratyphi A.We explored the clinical value of early diagnosis of fluorescent quantitation PCR regarding paratyphoid A and evaluated its specificity,sensitivity and repeatability.

目的：通过观察血培养、Widal reaction、脂多糖—被动血凝试验及荧光定量聚合酶链反应在临床高度怀疑为甲型副伤寒沙门菌感染发热患者中的检出阳性率，初步探讨荧光定量PCR早期诊断甲型副伤寒的临床价值，并评价荧光定量PCR特异性、敏感性和可重复性。

93 Target gene were detected by Tem-PCR from 75 specimen, they were: Hemophilus influenzae 40, Streptococcus penumoniae 36, Acinetobacter baumannii 10, Pseudomonas aeruginosa 4, Staphylococcus aureus 3, the other 9 kinds of bacterium including Escherichia coli、Klebsiella pneumoniae and Enterobactor cloacae were not detected by Tem-PCR, the positive rate of Tem-PCR was 39.9%(75/188).(3) For the 14 kinds of bacterium designed by Tem-PCR, compared with the culture, the sensitivity、specificity and coincidence of Tem-PCR is 51.0%, 68.0%, 58.3% respectively.

2经Tem-PCR技术扩增后，188例标本在Luminex100多功能悬浮点阵仪中有75例呈阳性，共检测出93株病原菌的靶基因，分别是流感嗜血杆菌40株，肺炎链球菌36株，鲍曼氏不动杆菌10株，铜绿假单胞菌4株，金黄色葡萄球菌3株，另外9种Tem-PCR已设计的细菌包括肺炎克雷伯菌、大肠杆菌、阴沟肠杆菌等均未检出，Tem-PCR的阳性率是39.9%(75/188)。

For Streptococcus penumoniae、Hemophilus in0fluenzae、Staphylococcus aureus、Acinetobacter baumannii、Pseudomonas aeruginosa,the sensitivety of Tem-PCR was 100%、41.7 %、11.1%、50.0 %、66.7 % respectively; the specificity was 84.0%、81.7%、98.9%、95.2%、98.9% respectively. Tem-PCR was more sensitive than culture in the detection of Streptococcus penumoniae 36/19.1% vs.

3以细菌培养作为参考标准，Tem-PCR对14种病原菌总的敏感性为51.0%，特异性为68.0%，符合率为58.3%，对肺炎链球菌、流感嗜血杆菌、金黄色葡萄球菌、鲍曼氏不动杆菌、铜绿假单胞菌的敏感性分别为100%、41.7%、11.1%、50.0%、66.7%，特异性分别为84.0%、81.7%、98.9%、95.2%、98.9%。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。