The fluoride contents in seven kinds of filter cigarettes were determined quickly by oxygen-flask combustion and ion-selective electrode technique.
采用氧瓶燃烧和离子选择电极技术快速测定了7种过滤嘴香烟的氟含量,其相对标准偏差和回收率分别为4。
This paper describes a method for measurement of the content of iodide in Pharmaceuticals with oxygen-flask combustion and ion-selective electrode.
介绍了采用氧瓶燃烧和离子选择性电极测定药物中碘含量的方法。
This paper describes a new method for quick measurement of the content of fluoride in human hair with oxygen-flask combustion and ion-selective electrode.
介绍一种用氧瓶燃烧-离子选择电极快速测定人发中氟含量的新方法。
Erlenmeyer flask
【化】锥瓶, 锥形烧瓶;厄伦美氏(烧)瓶
the quantity a flask will hold.
一烧瓶所能容纳的量。
The graduation be marked on the side of the flask
烧瓶侧面有刻度标志
The graduation is marked on the side of the flask.
烧瓶侧面有刻度标志。
a conical flask with a wide base and narrow neck.
宽底、窄颈的锥形烧瓶。
The graduations are marked on the side of the flask.
烧瓶侧面有刻度标志.
Laboratory glassware--Distilling flask
GB/T15725.5-1995实验室玻璃仪器蒸馏烧瓶和分馏烧瓶
A vial or round long-necked vessel for laboratory use.
烧瓶实验用的一种小瓶或长颈容器
Laboratory glassware-Flask(narrow neck)
GB/T15725.1-1995实验室玻璃仪器细口烧瓶
Laboratory glassware-Kjeldahl flask
GB/T15725.2-1995实验室玻璃仪器凯氏烧瓶
Laboratory glassware--Ground flasks
GB/T15725.6-1995实验室玻璃仪器磨口烧瓶
Laboratory glassware-Flask(wide neck)
GB/T15725.3-1995实验室玻璃仪器广口烧瓶
There is some deposit in the bottom of the flask.
这只烧瓶的底部有些沉淀物。
The reaction proceeds more smoothly if the round-bottom flask is shielded from draughts by being placed in an empty beaker.
如果圆底烧瓶置于空烧杯中，则可屏蔽气流使反应进行平稳。
The organic layer in the neck of the flask is aspirated into the atomic absorption burner.
满至烧瓶颈部的有机层被抽吸进入原子吸收燃烧器中。
This flask is charged with 3800ml of chloroform. The resulting solution is then heated to the boil using two IR lamps fitted to the bottom of the flask.
烧瓶中装入3800ml氯仿。产生的溶液用安装在烧瓶底部的两盏红外灯加热至沸点
The chemist reduced the water by electrolysis collecting the oxygen in one flask the hydrogen in another.
化学家以电解的方法分解水，把氧收集在一个烧瓶里，把氢装在另一只烧瓶里。
Laboratory glassware--Flask(multiple neck)
GB/T15725.4-1995实验室玻璃仪器双口、三口球形圆底烧瓶