标准测定

Objective: To establish the method for determining the content of protopine and tetrahydropalmatine in Rhizoma decumbentis by HPLC.

目的：建立夏天无中原阿片碱和延胡索乙素的含量测定方法，为夏天无质量标准的研究提供科学依据。

Methods Quenchable immersion method.

目的 通过对儿脾醒颗粒中正丁醇提取物的测定，制定儿脾醒颗粒质量标准提供依据方法冷浸法。

Standard metabolic rates of different body weight Sebastodes fuscescens were determined by continuousflow method under 11.2, 14.7, 18.0 and 23.6℃.

在11.2~23.6℃之间的4个实验温度下，采用流水式呼吸仪测定了不同体重黑鲪(29.6～358.1g)的标准代谢率。

The fireproof performance of wood panels of birch,poplar,shorea spp,pao rosa and sapele which were coated with ZPC60-1 decorative fireproof coating were tested according to ISO5660 standard,in terms of its fire resistant time, time to ignition and heat release rate by use of cone calorimeter and horizontal-vertical combustion analyzer.

利用锥形量热仪和水平垂直燃烧测定仪，按照ISO5660标准，对用ZPC60-1饰面型防火涂料处理过的白桦、杨木、柳安、檀木、沙比例的耐燃时间、点燃时间、热释放速率进行了测量。

ObjectiveTo provide the experiment for consummate the Silybum marianum seed viability certification standard through the target determination of the seed and so on.

作者：董琳，付雪艳，权洪峰，徐力生作者单位：宁夏医学院，宁夏银川目的通过对种子生活力等指标的测定，为完善水飞蓟种子检验标准操作规程提供实验依据。

The interference of metal ions Fe(superscript 3+、Cu(superscript 2+)and so on in oil can be eliminated by using hydroxyl amino hydrochloric acid and sulfourea as masking agents.

以盐酸羟胺和硫脲作为掩蔽剂可消除Fe(上标 3+)、Cu(上标 2+)等离子的干扰，对大庆原油与锦西减四线馏分油中的钒进行测定，相对标准偏差不大于3.5%，加标回收率为

When proposed method was used to determine Hg in water by Separating and Enriching of Sulphydryl Cotton ,satisfactory results were obtained,the r.

新建方法联结巯基棉分离富集汞，用于环境水样中痕量汞的测定，相对标准偏差为2.1%~4.7%，样品加标回收率为99.3%~101.2%，结果满意。

When proposed method was used to determine Hg in water by separating and enriching of sulphydryl cotton, satisfactory results were obtai.

新建方法通过巯基棉分离富集汞，用于环境水样中痕量汞的测定，相对标准偏差为2.1％～4.7％，样品加标回收率为99.3％～101.2％，结果满意。

When proposed method was used to determine Hgin water by Separating and Enriching Sulphydryl Cotton ,satisfactory results were obtained,the relative st.

新建方法联结巯基棉分离富集汞，用于环境水样中痕量汞的测定，相对标准偏差为2.1%～4.7%，样品加标回收率为99.3%～101.2%，结果满意。

The HPLC method is the best for the determination of taurocholic acid in snake bile.

高效液相色谱法灵敏、准确，可作为测定蛇胆汁中主成分牛磺胆酸含量的法定分析方法，建议制定统一的质量标准。

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。