标准试验

Recovery studies were performed at 0.05, 0.1, and 0.5 mg/L spiked levels of each POPs, and the recoveries obtained ranged from 81.99% to 100.60% with relative standard deviations between 2.37% and 18.48%. The detection limits of the method ranged from 0.1 to 5 ng/g for the different POPs except endrin, trans-chlordane and cis-chlordane.

不同浓度水平的添加回收率试验表明，25种持久性有机污染物的添加回收率为81.99%～100.60%，相对标准偏差为2.37%～18.48%，除异狄氏剂、反式氯丹和顺式氯丹的检测限分别为20，30和20 ng/g外，其他有机污染物的检测限为0.1～5 ng/g。

The standard biochemical oxygen demand test whereby a sample of the liquid is incubated at 20 degrees C for five days.

标准的生化需氧量试验。其方法是把一份溶液的样品在摄氏20度下培养五天。

Biochemical oxygen demand over five days - BOD5: The standard biochemical oxygen demand test whereby a sample of the liquid is incubated at 20 degrees C for five days.

五天生化需氧量(简写为BOD5)：标准的生化需氧量试验。其方法是把一份溶液的样品在摄氏20度下培养五天。

Biochemical oxygen demand over five days -BOD5; five day biochemical oxygen demand The standard biochemical oxygen demand test whereby a sample of the liquid is incubated at 20 degrees C for five days.

生化物五天需氧量（简写为BOD5）标准的生化需氧量试验。其方法是把一份溶液的样品在摄氏20度下培养五天。

The methods of IR and others were carried on in order toverify the structural formula of XN. The validation of analytical procedures wasconducted according to quality standard of XN in supplement of ChinesePharmacopoeia in 2002. The results show that the structural formula of XN isright and XN can be analysed in accordance with the quality specification of ChP.The results of three lots repeat tests show that the optimal process for XN wasrepeated excellently and quality of products is stable and controllable.

所合成的烟酸占替诺经红外分光光度法等波谱测定，证明其结构正确；经检验方法学验证，确证该产品适用于按《中国药典》质量标准检验；经三批次重复验证试验，结果表明优选的烟酸占替诺合成工艺重现性好，所得产品质量可控，收率为91.1%，接近文献报道的最高收率。

Take some secretion from the sidewall of the vagina for conducting PH and amine test. Apply Gram's method to find clue cells, and then give a mark as per Nugent standard.

于治疗后1周、1个月、3个月、6个月扩阴检查阴道，取阴道侧壁分泌物进行pH及胺试验，涂片革兰染色查找线索细胞，并按Nugent标准进行评分。

It performances meet IEC420《AC H.V. Load Switch with Fuse》(1990 Edition)and GB3804 《3-63kv AC H.V.Load Switch》after strict test and long-time operating. Compared to the product of the kind in the foreign country,its technical parameter has reached the international level with the features of small volume and light weight. Can be used widely in 12kv distribution network to protect the equipment against working without phase.

该产品经全面型式试验和长期和试运行考核，性能达到EC420《交流高压负荷开关一熔断器组合电器》（1990版）和GB3804《3-63kv交流高压负荷开关》标准要求，与国外同类产品比较，技术参数已达到同类产品水平，具有体积小，重量轻，可用于环网柜和箱式变电站，广泛应用于12kv线路的电能分配，并有效地避免了设备的缺相运行。

The HPV test was better than the standard Pap test at finding cervical cancer at any stage, according to two studies published in last week's Journal of the American Medical Association.

在 HPV 检测优于标准的巴氏试验的任何阶段发现子宫颈癌，根据上周的美国医学会杂志发表了两份研究报告。

The clear NACA 0012 was used airfoil as a standard model to validate the numerical model that will be used in the following simulation.

工作中首先以未结冰的NACA 0012翼型为标准模型进行了数值验证计算，再以经过检验的方法计算结冰模型，并与结冰风洞试验数据进行了对比。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。