阴性的

Gold is feminine and silver is masculine in nature.

金的性质是阴性而银是阳性的。

No significant associations of megakaryocyte quantity and anti-platelet autoantibody with the three kinds of cells were found,and there were no statistical differences between primary ITP and recurrent ITP patients.

4巨核细胞数目与Th17、Th1和Tc1细胞亚群之间无明显相关性。抗血小板抗体阳性的患者与阴性患者相比，三种细胞亚群的比例无明显差别。

BACKGROUND: Magnetic resonance imaging is considered safe for diagnosis of meniscus injury, having accuracy as high as 80% to 100%.

摘要背景：MRI诊断半月板损伤的准确性可达80%~100%，但在临床上也存在一定程度的假阳性和假阴性。

Objective To study the relationship between intestinal metaplasia and Hp infected gastritis with and without cagA in different age groups.

目的研究CagA阳性及CagA阴性幽门螺杆菌感染的慢性胃炎不同年龄组与肠化生之间的关系。

The result shows that 4.1-6.5 kDa antibacterial substances separated from the crude extract described above could efficiently kill Gram-positive bacteria (Staphylococcus aureus, Bacillus subtilis and Micrococcus luteus), but no any activity for Gram--negative bacteria or fungi.

可产生出分子量在4.1-6.5KD之间的抗菌物质，这些抗菌物质对革兰氏阳性菌(金黄色葡萄球菌、藤黄微球菌及枯草芽孢杆菌)有广泛的抗性，而对革兰氏阴性菌和真菌没有抗性。

The results showed that the virus isolation and identification could generate considerably reliable results but the procedure was complicated and costed long time; microtomy fluorescent antibody detection was fast, but the specificity was low and needed to exclude the false positive from the results. Sandwich ELISA detection combined the merits of the former two methods, but it generated the false negative results when the samples were in bad preservation. Compared with the others, RT-PCR was fast, high sensitive and especially useful for detecting the CSFV directly from the samples. The specificity could be raised by using the nested-PCR to detect the CSFV from the simples, especially when the simples were in bad preservation.

结果显示，病毒分离鉴定法准确性较高，诊断比较容易，但存在试验步骤繁琐，所需时间长的缺点；荧光抗体检测法所需时间较短，但需要经验比较丰富人员来判定结果，且存在假阳性结果，特异性比较差；RT-PCR检测法具有快速、敏感等优点，特别是样品保存不理想时更有价值，利用套式PCR可以提高检测的特异性；夹心ELISA检测法具有快速、敏感等优点，但在样品保存不理想时会出现假阴性结果。

Objective: To explore the relationship of negative schizophrenic cognitive function improvement with HVA and 5-HIAA.

目的：探讨阴性精神分裂症认知功能的改善与HVA和5-HIAA变化的关系。

The sensitivity,specificity,false positive rate,false negative rate and receiver operator characteristic area were e...

以培养结果作为金标准，应用受试者工作特征曲线确定iQ200和UF100各项参数的最佳临床判断界值，评价各项参数的灵敏度、特异度、假阳性率、假阴性率和ROC曲线下面积。

A nonmotile, gram-negative bacterium that causes a severe form of pneumonia and is associated with other respiratory infections.

肺炎杆菌一种非游走的革兰氏阴性细菌，它会导致一种严重的肺炎，而且与其他呼吸感染有关

A nonmotile, gram-positive bacterium that is the most common cause of bacterial pneumonia, associated with meningitis and other infectious diseases.

肺炎球菌一种非游走的革兰氏阴性细菌，是细菌性肺炎最常见的致病原因，并与脑膜炎和其它传染性疾病有关

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。