Main English Definition dripper; pipette Simplified Script 滴瓶 Traditional Script Same Pinyin dīpíng Effective Pinyin (After Tone Sandhi) Same Zhuyin (Bopomofo) ㄉㄧ ㄆㄧㄥˊ Cantonese (Jyutping) dik6ping4Word Decomposition 滴 dī a drop; to drip 瓶 píng bottle; vase; pitcher; measure word...
A. Pipette B. Graduated cylinder C. Balance D. Magnifying glass 相关知识点: 试题来源: 解析 A。此题考查实验器材的用途。A 选项“Pipette”是移液器,用于吸取和转移液体;B 选项“Graduated cylinder”是量筒,用于测量液体体积;C 选项“Balance”是天平,用于称量物体质量;D 选项“Magnifying glass”是放大镜...
A pipette is a type of chemical dropper used in laboratory experiments to measure and transport fixed volumes of chemicals. There are several designs of pipettes but they all function in the same way. The pipette is inserted into a liquid-filled container, where it creates a vacuum. The ...
In the laboratory, what is used to hold test tubes? A. test tube rack B. balance C. pipette D. microscope 相关知识点: 试题来源: 解析 A。选项 A“test tube rack”是试管架,用于放置试管;选项 B“balance”是天平;选项 C“pipette”是移液管;选项 D“microscope”是显微镜。反馈 收藏 ...
In order to ensure the accuracy of a pipette, it must be calibrated regularly. A pipette can be calibrated rather easily, without being sent out to a professional. Before calibrating a pipette, verify that it is draining properly. Start the calibration by setting the dial at the highest volum...
Once the volumetric pipette is filled, it is imperative there are no entrapped air bubbles or detritus. At the top marking, the liquid will form a curve, since gravity pulls downward on the liquid most effectively at the center, whereas at the edges and touching the pipette, the liquid expe...
This instrument is used to measure the volume of a liquid. What is it? A. Beaker B. Graduated cylinder C. Test tube D. Pipette 相关知识点: 试题来源: 解析 B。A 选项 beaker 是烧杯,主要用于盛放液体等;B 选项 graduated cylinder 是量筒,用于测量液体体积;C 选项 test tube 是试管,用于进行...
A pipette is a common laboratory tool used to transport and deliver small measured volumes of liquid.
题目What instrument is used to transfer liquids? A. pipette B. scale C. magnet D. stopwatch 相关知识点: 试题来源: 解析 A。选项 A“pipette”是移液管,用来转移液体;选项 B“scale”是秤;选项 C“magnet”是磁铁;选项 D“stopwatch”是秒表。
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