操作碱式滴定管是用拇指和食指。
The basic buret is usually operated bY thumb and forefinger.
要用石腊膜保护滴定管的塑胶头。
塑胶头会帮助滴定管滴出细小液滴。
The plastic tip helps in the formation of small droplets of solution to drop from the buret.
你能告诉我这些滴定管是干什么用的吗？
滴定管是用来转移一种已知体积的液体的。
细小液滴。要用石膜保护滴定管的塑胶头。
Of solution to drop from the buret. Use parafilm to secure the tip of the buret.
化学实验重在基础，特别是考察移液管和滴定管的使用；
Chemistry experiment is based on the elementary knowledge, especially checking the usage of suction pipet and buret.
估计一下在秤量，使用滴定管和确定终定位置的不确定度。
Mean. Estimate what you think the uncertainty is in weighing, using the buret, and in endpoint location.
此影片介绍正确方法来使用滴管、滴定管、量瓶和注射器精确测量液体体积。
This video introduces the proper methods for measuring precise volumes of liquid using pipets, burets, volumetric flasks, and syringes.
高级的滴定管都有一种抽液功能使它们每次在滴定完毕时可以很精确地将滴定液加到精确的刻度。
High-quality buret have a venting-mechanism with which they can be very easily refilled with the exact volume for which the buret is calibrated.
估计一下在秤量，使用滴定管和确定终定位置的不确定度。用这些值计算误差传播而且跟所观测值比较一下。
Estimate what you think the uncertainty is in weighing, using the buret, and in endpoint location. Do error propagation from these values and compare with the observed precision.
不要让不精确在实验室阻碍你！此影片介绍正确方法来使用滴管、滴定管、量瓶和注射器精确测量液体体积。
Don't let inaccuracy hold you back in lab! This video introduces the proper methods for measuring precise volumes of liquid using pipets burets volumetric flasks and syringes.
不要让不精确在实验室阻碍你！此影片介绍正确方法来使用滴管、滴定管、量瓶和注射器精确测量液体体积。
Don't let in accuracy hold you back in lab! This video introduces the proper methods for measuring precise volumes of liquid using pipets burets volumetric flasks and syringes.
不要让不精确在实验室阻碍你！此影片介绍正确方法来使用滴管、滴定管、量瓶和注射器精确测量液体体积。
Don 't let inaccuracy hold you back in lab! This video introduces the proper methods for measuring precise volumes of liquid using pipets, burets, volumetric flasks, and syringes.
根据量筒、滴定管和容量瓶的正确读数方法，对读数方法不正确所造成的读数误差及由读数误差引起的滴定误差和配制误差进行了分析和归纳。
It also analysed and sumed up the reading errors made by incorret methods of people; the titration's errors and configuration solutions errors made by the readings errors.
根据量筒、滴定管和容量瓶的正确读数方法，对读数方法不正确所造成的读数误差及由读数误差引起的滴定误差和配制误差进行了分析和归纳。
It also analysed and sumed up the reading errors made by incorret methods of people; the titration's errors and configuration solutions errors made by the readings errors.
应用推荐