容量测定

F-test and t-test for precision and accuracy of this modified microburet as compared with the conventional buret were made and results obtained showed that no significant differences were observed, and more convenient operation was achieved by this new microburet.

通过数理统计方法，将环保型酸式自动滴定管与标称容量为50 mL的常规酸式滴定管平行测定结果进行了比较，试验证明，该滴定分析的精密度、准确度不仅与50 mL，常规酸式滴定管相当，而且操作性还优于50 mL常规酸式滴定管。

According to the condition of laboratory and the practices of more than 15 years,we improved the condition for calefaction and oxidation of capacity measuration GB1999,and we explored two better methods of soil organic matter determination: oven torrefaction heating method and digestor heating method.

根据实验室的条件和多年的实践，对容量法GB1999加热氧化控制条件进行改进，摸索出两种比较理想的土壤有机质测定方法：烘箱加热和消化炉加热法。

In the determination of Cu metal areas, we improved the method of O2 chemisorption.

在测定铜金属表面积时，改进了低温氧吸附的容量法。

The aim of this paper was to determine the acrylamide content in the extracts from PAM hydrogel, and examine the extracts cytotoxicity.

本文的目标是要确定从PAM水凝胶提取的丙烯酰胺的容量，并测定提出物的细胞毒性。

Influence of some factors on determination of calorific value of coal,such as room-temperature,water volume of inner tank,water temperature of inner tank, thermal capacity etc,are introduced in this paper.

分析了室温、内筒水量、内筒水温、热容量、煤样喷溅、搅拌器和搅拌速度等因素对煤炭发热量准确测定的影响。

Methods: The radioligand binding assay of receptors was used to calculate the Kd and B max .

用放射性配基结合分析的方法测定亲和力和受体容量。

Results: The good linear range of method was 10 to 1000μg/ml (T=0.9999) with the correlation coeffivient of 0.9999, and the limit concentration in air was 0.2 mg/m^3 with the average relative standard deviation less than 5%(n=6). The average sampling rate ranged from 96.6 to 100%, and the breakthrough capacity of l00mg activated charcoal was 4.7mg. The average desorption rate was 97.6%, and mesityl oxide absorped in activated charcoal tube was stable for 7 days and can be detected accurately with other gas coexisting in the air of workplace.

结果：异亚丙基丙酮浓度在10~1000μg/ml内呈良好线性关系，相关系数0.9999，最低检出浓度为0.2mg/立方公尺，相对标准偏差＜5%(n=6)；气体采样效率≥96.6%，100mg活性炭对异亚丙基丙酮的穿透容量为4.7mg，平均解吸效率97.6%；活性炭样品室温下可保存7天；丙酮、丁酮、异佛尔酮、苯、甲苯、二甲苯等共存物不干扰测定。

The mothed of quantitative analysis of silicon dioxide with silico-fluoride natrium volumetry is introduled and conditions are chosen.

主要介绍了用硅氟酸钠容量分析法测定二氧化硅含量的方法，并进行了测量条件的选择。

A standard volumetry for determination of cobalt in cobaltous oxalate was studied and improved.

对测定草酸钴中钴含量的容量法进行了改进。

By using the seal syringe to get the sample and overcoming the silicon tetrachloride hydrolisis,the determination scope was 5%～85%.

本文用改进的氟硅酸钾容量法对海绵钛生产工艺中回收四氯化硅中硅含量进行测定，测定范围为5%～85%。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。