How it got here: Scottish chemist and physicist Sir James Dewar invented the vacuum flask Iin 1892 as a way to keep liquid nitrogen from warming up and turning into gas in his lab.
它是如何问世的:1982年苏格兰化学家和物理学家JamesDewar爵士发明了保温瓶用以防止实验室中的液氮升温而气化。
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。
Finally, another factor to consider when adopting liquid handling automation is the level of expertise required by lab personnel to run and support the instrumentation.
最后,采用液体自动化处理仪时,应当考虑的其他因素是:操作和维持仪器的实验室人员的专业水平能力。
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。
Berkeley Lab researchers looking for a better understanding of liquid electrolyte may have found a pathway forward.
伯克利实验室研究人员找到对液体电解质更好的理解的路了。
In this paper, the preparation method of chlorine dioxide steady liquid in lab scale and the factors affecting cotton bleaching with orthogonal experimental method are discussed.
文章简要说明了实验室制备二氧化氯稳定性溶液的方法,并通过正交试验法研究了二氧化氯漂白法的影响参数。
Agricultural Chemical Residue Lab is equipped with advanced testing equipments including gas chromatograph and liquid chromatograph and can test about 10 samples per day.
农残检测室有气相色谱仪、液相色谱仪等先进的检测设备,每天可检测样品10个左右。
TOYO LAB-35 is amphoteric surfactant. It is readily compatible with cationics, anionics and nonionics surfactants. Many these preparations results clear liquid or gels.
是一种两性表面活性剂,它可与阴离子表面活性剂、阳离子表面活性剂和非离子表面活性剂相容,相容后可生产清澄的液体或胶体。
The preparation methods of base liquid for 30 insecticides were studied in the lab.
介绍了浸渍法生物测定中30种常用杀虫剂母液的配制方法。
Use to tally industrial events, inventory items, receive lab samples, take surveys, total drops of liquid, count occurrences, and more.
主要用于事件计数、货物清点、样品保存、样品调查、液滴计数等等。
Use to tally industrial events, inventory items, receive lab samples, take surveys, total drops of liquid, count occurrences, and more.
主要用于事件计数、货物清点、样品保存、样品调查、液滴计数等等。
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