通过'What is/are + 名词'句式直接识别物体或概念。例如生物实验中询问工具用途时:'What is this pipette for?'(这个移液管是做什么用的?),回答需聚焦功能描述:'It transfers precise liquid volumes'(用于精确转移液体体积)。 时间与流程类 在实验操作中常用'What time'结构确...
What is a Pipette Pipettes are 1/10 (one tenth) of a pip. One point equals ten pipettes. Pipettes are also known as glasses. 1 pip = 10 pipettes For example, 200 points = 2000 points. A pip is used to calculate a 4-digit decimal value in currency pairs. ...
What instrument is often used for heating substances? A. crucible B. bunsen burner C. pipette D. spatula 相关知识点: 试题来源: 解析 B。bunsen burner 是本生灯,用于加热物质。crucible 是坩埚;pipette 是移液管;spatula 是药匙,它们都不是用于加热的仪器。
A pipette is a chemical dropper used in laboratory experiments to measure and transport fixed volumes of chemicals. The accuracy...
Depending on the dropping temperature of the test substance, different liquids have to be used in the liquid bath. Manual methods require visual inspection of the dropping point process, which is tedious as the attention of an operator is required for quite a long time to continuous...
It is used to hold and measure chemical liquid samples. Furthermore, these chemicals can be heated, mixed, and boiled in a conical flask depending on the research. Why do we use conical flask for titration? Once the solution is in the pipette, it's then transferred to a conical flask. ...
Indie Pop band of the same name, are used in various applications to carry a measured quantity of liquids. They are especially useful at delivering the same volume repeatedly, although accuracy varies depending on the quality and type of pipettes. Pipette comes from the word pipe, for small ...
A burette is used to dispense small volumes of liquid called aliquots, or sometimes gas, with high accuracy. It consists of a long glass tube with a valve at one end to control the flow of liquid. Burettes serve essentially the same purpose as a pipette. ...
A pip, therefore, relates to movement in the fourth decimal place, while a pipette is used to measure movement in the fifth decimal place. How Are Pips Used? They are a part of a currency pair’s exchange rate market quote. Pips represent the change in the quote and value of a positio...
A pip, therefore, relates to movement in the fourth decimal place, while a pipette is used to measure movement in the fifth decimal place. How Are Pips Used? They are a part of a currency pair’s exchange rate market quote. Pips represent the change in the quote and value of a positio...