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to. my little moon — 🌙♡ 2020.11.26해당카페글 미리보기
when a mars-sized object, known as theia, smashed into early earth. due to the collision of theia and earth, vaporized chunks of the planet’s crust were thrown into space, and when gravity bound the ejected particles together, the moon...
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외국 어떤학생들이 낸 과제.. 2006.05.17해당카페글 미리보기
submarine headquarters on the ocean floor off the coast of Guam, felt the inconceivably massive explosion, which vaporized poor, stupid, Laurie and 85 million other Americans. The President slammed his fist on the conference table. "We...
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Lessons of the Financial Crisis -- One Year Later-WSJ 8/31 미국 금융위기의 교훈 2009.08.31해당카페글 미리보기
to put their money. By early 2009, when the stock market hit what looks like its post-crisis bottom, the collapse had vaporized more than $30 trillion, a decade's worth of investment gains. Yet, almost as stunning as the fall, has been...
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6월20일, C반 토킹 주제입니다~! 2016.06.16해당카페글 미리보기
weren’t wrong about that, but the increased use of the humidifier usually meant an increased inhalation of the vaporized sterilizers. Of the 39 victims, 24 reported that hospitals recommended they use the humidifiers to allay their lung...
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Theory, Detectors, Trouble-Shooting 2006.12.07해당카페글 미리보기
device. The injector is usually heated to 150-250°C which causes the volatile sample solutes to vaporize. The vaporized solutes are transported into the column by the carrier gas. The column is maintained in a temperature controlled...
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Gas Chromatography 2006.12.07해당카페글 미리보기
device. The injector is usually heated to 150-250°C which causes the volatile sample solutes to vaporize. The vaporized solutes are transported into the column by the carrier gas. The column is maintained in a temperature controlled...
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Mass Spectrometry Ionization Methods 2006.12.09해당카페글 미리보기
to promote it in a stepwise fashion above its ionization potential to create an ion. Solid samples must be vaporized by heating, sputtering, or laser ablation. Secondary ionization (SIMS) A primary ion beam; such as 3He+,16O+, or 40Ar...
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3. General Principle 2006.12.07해당카페글 미리보기
The APCI source contains a heated vaporizer which facilitates rapid desolvation/vaporization of the droplets. Vaporized sample molecules are carried through an ion-molecule reaction region at atmospheric pressure. The ionization occurs...
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Splitless Injector 2006.12.07해당카페글 미리보기
splitless liners have a restriction at one or both ends. These restrictions act as backflash barriers and keep the vaporized sample inside of the liner. Placing the restriction at the top of the injector helps to reduce backflash...
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Megapore direct Injector 2006.12.07해당카페글 미리보기
to Megabore direct injectors are available. Upon sample introduction into the liner, the carrier gas sweeps the vaporized sample into the column. Carrier gas flow rates about 4 ml/min or above are required to sweep the sample into the...