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1 天前 · Chemistry. Nicotine is a hygroscopic, colorless to yellow-brown, oily liquid, that is readily soluble in alcohol, ether or light petroleum. It is miscible with water in its neutral amine base form between 60 °C and 210 °C. It is a dibasic nitrogenous base, having K b1 =1×10 −6, K b2 =1×10 −11. [160]
2 天前 · Tuberculosis ( TB ), also known colloquially as the " white death ", or historically as consumption, [7] is an infectious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. [1] Tuberculosis generally affects the lungs, but it can also affect other parts of the body. [1] Most infections show no symptoms, in which case it is ...
1 天前 · Nineteen Eighty-Four (1949) Signature. Eric Arthur Blair (25 June 1903 – 21 January 1950) was an English novelist, poet, essayist, journalist, and critic who wrote under the pen name of George Orwell. [2] His work is characterised by lucid prose, social criticism, opposition to totalitarianism, and support of democratic socialism.
2 天前 · Malaria is a mosquito-borne infectious disease that affects vertebrates.[6][7][3] Human malaria causes symptoms that typically include fever, fatigue, vomiting, and headaches.[1][8] In severe cases, it can cause jaundice, seizures, coma, or death.[1] [9]Symptoms usually begin 10 to 15 days after being bitten by an infected Anopheles mosquito ...
1 天前 · Metformin, sold under the brand name Glucophage, among others, is the main first-line medication for the treatment of type 2 diabetes,[12][13][14][15] particularly in people who are overweight.[13] It is also used in the treatment of polycystic ovary syndrome.[14] It is sometimes used as an off-label adjunct to lessen the risk of metabolic ...
1 天前 · The death of Aeschylus, killed by a turtle dropped onto his head by a falcon, illustrated in the 15th-century Florentine Picture-Chronicle by Baccio Baldini This list of unusual deaths includes unique or extremely rare circumstances of death recorded throughout history, noted as being unusual by multiple sources.
1 天前 · The following notable deaths occurred in 2024. Names are reported under the date of death, in alphabetical order. A typical entry reports information in the following sequence: Name, age, country of citizenship at birth, subsequent nationality (if applicable), what subject was noted for, cause of death (if known), and reference.
