Butanone, also known as methyl ethyl ketone (MEK) or ethyl methyl ketone, [a] is an organic compound with the formula CH 3 C(O)CH 2 CH 3. This colorless liquid ketone has a sharp, …

Mekmek are small, troublesome avian carnivores that spend the majority of their lives on the forest floor, scaling large tree trunks to enable themselves to glide beneath dense canopies.

甲基乙基甲酮即 甲基乙基酮 、 丁酮。 [1]无色液体，有似丙酮的气味；溶于水、乙醇、乙醚，可混溶于油类；性质稳定；主要用作溶剂、脱蜡剂，也用于多种有机合成，及作为合成香料和医药 …

2023年4月1日 · Methyl Ethyl Ketone (MEK) is a colorless liquid with a sharp, sweet odor. It's highly flammable and volatile, evaporating quickly at room temperature. MEK is miscible with …

mek 曲美替尼 （Trametinib） ：2013年获美国FDA批准上市，2022年中国获批，与达拉非尼联合用于治疗BRAFV600突变阳性的不可切除或转移性黑色素瘤、BRAFV600突变阳性黑色素瘤的 …

(METHYL ETHYL KETONE (MEK)) PAGE 2 of 12 Hazard Statements: Physical Hazards (GHS-US): H225: Highly flammable liquid and vapour Health Hazards (GHS-US): H319: Causes …

丁酮也称为甲乙酮（英語： Methyl Ethyl Ketone ，簡稱MEK，或是2-Butanone），是一种有机化合物。丁酮于室温下是无色易燃液体，带有刺激性甜味或薄荷味 [1] ，近似于丙酮。 丁酮在工 …

2-Butanone is a manufactured chemical but it is also present in the environment from natural sources. It is a colorless liquid with a sharp, sweet odor. It is also known as methyl ethyl …

2024年11月6日 · In order to obtain defensible and quantitative results for MEK, sampling must be done with the passive sampler. To obtain sampling and analytical error similar to that available …

甲基乙烯酮（Methyl Ethyl Ketone，简称MEK）是一种无色液体，具有特殊的气味。 它具有良好的溶解性，可与许多有机溶剂混溶。 甲基乙烯酮的蒸气可引起头晕、恶心和嗜睡，长期接触可 …