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   reference standard 在 临床医学 分类中 的翻译结果: 查询用时:0.181秒
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reference standard
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  参考标准
    Using result of coronary angiography as reference standard,the sensitivity,specificity and total coincidence in detecting coronary artery stenosis(>50% luminal narrowing) by rest first-pass MR imaging was 70.4%,94.2% and 78.7%,respectively.
    以冠状动脉造影结果为参考标准,静息心肌灌注扫描检测冠状动脉狭窄50%以上的敏感性为70.4%,特异性为94.2%,总符合率为78.7%。
短句来源
    Taken the CAG as reference standard, the sensitivity and specificity of CT in evaluating the anastomosis and bypass grafts were 95.7% and 92.3% respectively.
    以CAG结果为参考标准,MSCT冠脉成像诊断桥血管及吻合口狭窄的特异性和敏感性分别为95.7%和92.3%。
短句来源
    There was no significant difference between thin slab MinIP and the reference standard(χ~2=0.00,0.10,P>0.05).
    参考标准分别为100.0%(42/42)、90.5%(38/42),两种方法比较差异无统计学意义(χ2值分别为0.00、0.10,P值均>0.05)。
短句来源
    Methods Serum anti mycobacterium tuberculosis antibody was measured by colloidal gold strip rapid test method,with clinical diagnosis as reference standard to calculate the sensitivity,the specificity and the reliability of the strip rapid test method.
    方法 以临床诊断为参考标准 ,以敏感性、特异性和准确性作为评价指标 ,评价该方法在结核病临床诊断中的价值。
短句来源
  参考标准液
    QUALITY EVALUATION AND PRIMARY USES OF THE HICN REFERENCE STANDARD MADE IN OUR LABORATORY
    自制氰化高铁血红蛋白参考标准液的质量评价及初步应用
短句来源
  “reference standard”译为未确定词的双语例句
    EPO (850323) was taken as a reference standard, its concentration in the medium was within a dgoe range of 2.6 to 100mU/ml.
    EPO(850323)在培养液中浓度为2.5~100mU/ml。
短句来源
    In reference standard samples,this method was able to detect 2ng/ml of HBsAg.
    对HbsAg灵敏度高达 2ng/ml,不出现前带现象 ,接近EIA法。
短句来源
    Determination range of LDL C in the medical reference standard is:2.53±0.82mmol/L(18~24 years old),3.01±1.2mmol/L(25~61 years old).
    LDL C正常参考值 18~ 42岁为 2 .5 3± 0 .82mmol/L ; 43~ 63岁为 3 .0 1± 1.2mmol/L。
短句来源
    Results: Based on the data that the HBV DNA levels in 34 sera from patients with and without hepatitis B and a serial 10 fold diluted serum (containing HBV DNA) detected by the two kits and using the results by the Roche kit as reference Standard, the relative specificity, sensitivity and over-all accordance of the molecular beacon kit were all 100% (19/19, 15/15, and 34/34, respectively);
    结果:根据两种试剂盒定量检测34份乙型肝炎和非肝炎血清及一份系列10倍稀释血清(含高水平HBV DNA)的数据,并以Roche试剂盒的结果为参比标准,分子信标试剂盒定量检测HBV DNA的相对敏感性、特异性和符合率均为100%(分别为:19/19,15/15和34/34);
短句来源
    Surgical confirmation,which was used as the reference standard,was available in all patients. Results:MSCT was superior to CAG in revealing stenotic and noncon- fluent central pulmonary arteries (overall test parameters:sensitivity,95.83% vs 57%;specificity,100% vs 75%;accuracy,97.22% vs 63.19%).
    结果 :对于肺动脉的定性诊断 ,MSCT较CAG优越(诊断敏感度 :前者 95 .83 % ,后者 5 7.2 9% ;特异度 :前者 10 0 % ,后者 75 % ;诊断符合率 :前者 97.2 2 % ,后者 63 .19% )。
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  reference standard
The described variant of the indentation method requires the preliminary calibration against a reference (standard) glass; i.e., it is a relative method.
      
The obtained values of the parameters can be used in practice as reference standard.
      
The procedure accuracy was evaluated by determining germanium in a reference standard sample of steel after preliminary separation by solvent extraction.
      
IUPAC Recommendations for Reference Standard Samples in pH Measurements
      
WPC 80, sodium caseinate and their hydrolysates were high-quality proteins and had a surplus of essential amino acids compared with the FAO/WHO/UNU (1985) reference standard.
      
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Erythroid colony formation in plasma clots has been used for determining erythropoietin (EPO) concentration in serum. In this study 13-l5 day gestation fetal mouse liver was used for target cells. Sera from normal humans and anemio patients were dialyzed against distilled water at 4℃ for 3 days. The serum to be tested was added to the medium to a maxium of 10% by volume. EPO (850323) was taken as a reference standard, its concentration in the medium was within a dgoe range of 2.6 to 100mU/ml. Eesults showed...

Erythroid colony formation in plasma clots has been used for determining erythropoietin (EPO) concentration in serum. In this study 13-l5 day gestation fetal mouse liver was used for target cells. Sera from normal humans and anemio patients were dialyzed against distilled water at 4℃ for 3 days. The serum to be tested was added to the medium to a maxium of 10% by volume. EPO (850323) was taken as a reference standard, its concentration in the medium was within a dgoe range of 2.6 to 100mU/ml. Eesults showed that EPO concentrations in aplastie anemia (12 oases), iron-deficiency anemia (lease), megaloblastio anemia (1 case) were 916 to >10 000, 400 and 600 mil/ml respectively. All were significantly higher than 48.0±17.7mU/ml in normal humans (28 cases). In chronic renal failure (18 cases), it was 94.2±87.6mU/ml. This suggests that etiology of anemia affects serum EPO levels.

用小鼠胎肝细胞体外血浆凝块培养红系集落(Erythroid colong formig unit inculturc,E-CFUc)方法,以红细胞生成素(Erythropoietin,EPO)850323为标准试剂,测定正常人、贫血病人血清EPO浓度。实验用妊娠13~15d小鼠胎肝细胞。血清均经透析处理,培养液中加量最大不超过10%。EPO(850323)在培养液中浓度为2.5~100mU/ml。血清EPO(mU/ml)测定结果:28例正常人为48.O±17.7,12例再生障碍性贫血病人为946~>10000,1例巨幼细胞性贫血病人为500,1例缺铁性贫血病人为400和18例慢性肾功能衰竭病人则为94.2±87.6。结果表明:贫血病因对血清EPO浓度有影响。

A nested polymerase chain reaction (N-PCR) for the specific detection of Helicobacter pylori (H. pylori) was developed with two primer pairs (nested primers) derived from the Urease A gene of H. pylori. The N-PCR could detect 21 different samples of H. pylori including 20 clinical isolates and 1 reference strain NCTC14126, but could not detect other bacterial species, showing the N-PCR assay to be 100% specific. Tenfold serial dilution experiments revealed the detection of as little as 0. 1fg of H. pylori DNA...

A nested polymerase chain reaction (N-PCR) for the specific detection of Helicobacter pylori (H. pylori) was developed with two primer pairs (nested primers) derived from the Urease A gene of H. pylori. The N-PCR could detect 21 different samples of H. pylori including 20 clinical isolates and 1 reference strain NCTC14126, but could not detect other bacterial species, showing the N-PCR assay to be 100% specific. Tenfold serial dilution experiments revealed the detection of as little as 0. 1fg of H. pylori DNA by N-PCR. To evaluate the PCR assay for clinical samples, gastric biopsies were tested by N-PCR, and the results were compared with those of culture, urease test and histologic examination (reference standard, RS). In 30 biopsy specimens, H. pylori sequences were detected by PCR in 20 of 20(100%) positive tissues and none of 10 negative tissues. PCR is a specific and sensitive method that can detect the presence of H. pylori without the need for culture and that would have significant diagnostc and epidemiologic importance.

应用互补于幽门螺杆菌(HP)尿素酶A基因片段的两对引物进行套式聚合酶链反应(N-PCR),外引物的扩增片段为552bp,内引物扩增片段为310bp,用该方法检测1株HP标准菌株(N-CTC14126)和20个HP临床分离株均阳性,而其他12种肠道菌均为阴性,特异性100%,敏感性可检测到0.1fg细菌DNA的水平,优于目前国外的报道。取胃粘膜活检标本30例,用细菌培养、尿素酶试验、组织学染色作为参照方法检测,20例为阳性,10例阴性,N-PCR检测结果与之完全一致。

Quality evaluation studies and primary clinical uses of the HICN reference standard made in our laboratory are reported in this paper. Results prove that it is satisfactory in the characterostocs of absorbance curve,A540/A504 ratio, absorbance at 750nm, packing and bacterial culture test,all these parameters reaching the standards of ICSH,Comparing the linearity and accuracy with those of the products made in Shanghai Medical Laboratory Institute, the results of our products are in good agreement...

Quality evaluation studies and primary clinical uses of the HICN reference standard made in our laboratory are reported in this paper. Results prove that it is satisfactory in the characterostocs of absorbance curve,A540/A504 ratio, absorbance at 750nm, packing and bacterial culture test,all these parameters reaching the standards of ICSH,Comparing the linearity and accuracy with those of the products made in Shanghai Medical Laboratory Institute, the results of our products are in good agreement with them. Having stored for 38 months at 4~8℃ the HICN concentration only decreased 3.7%at most.2.5%in average. The reference standards have been used on 581,721,722 electrophotometers to make standard curve and on electron blood cell counter and hemoglobinometer as calibration solution for determination of Hb,results are satisfactory as well.

对自制氰化高铁血红蛋白参考标准液进行了质量评价及初步应用。结果表明:此参考标准液的吸收曲线特征、A540/A504比例,波长750mm处吸光度、包装及无菌试验均达到ICSH标准;与上海医化所同类产品比较线性和准确度符合性好;4-8℃保存38月后其浓度最大波动为3.7%,平均2.5%。此标准液应用于581光电比色计及721、722分光光度计上作标准曲线以测定血红蛋白浓度,作为电子血细胞计数仪和血红蛋白仪测定血红蛋白时的校正液结果满意。

 
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