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  2. Rifampicin - Wikipedia

    en.wikipedia.org/wiki/Rifampicin

    In August 2020, the U.S. Food and Drug Administration (FDA) became aware of nitrosamine impurities in certain samples of rifampin. [61] The FDA and manufacturers are investigating the origin of these impurities in rifampin, and the agency is developing testing methods for regulators and industry to detect the 1-methyl-4-nitrosopiperazine (MNP ...

  3. Rifamycin - Wikipedia

    en.wikipedia.org/wiki/Rifamycin

    Rifampin rapidly kills fast-dividing bacilli strains as well as "persisters" cells, which remain biologically inactive for long periods of time that allow them to evade antibiotic activity. [7] In addition, rifabutin and rifapentine have both been used against tuberculosis acquired in HIV-positive patients.

  4. Speed of sound - Wikipedia

    en.wikipedia.org/wiki/Speed_of_sound

    The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. More simply, the speed of sound is how fast vibrations travel. At 20 °C (68 °F), the speed of sound in air, is about 343 m/s (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn), or 1 km in 2.91 s or one mile in 4.69 s.

  5. Sound speed - Wikipedia

    en.wikipedia.org/?title=Sound_speed&redirect=no

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  6. Traditional Vietnamese medicine - Wikipedia

    en.wikipedia.org/wiki/Traditional_Vietnamese...

    It is influenced by traditional Chinese medicine. The other traditional medicine that is also practiced in Vietnam is traditional Chinese medicine (Trung Y), also known as Northern Herbology (Thuốc Bắc). [1] [2] Thuốc Nam is one of two kinds of folk remedies known to villagers, the other being the traditional exercise dưỡng sinh. [3] [4]

  7. Vietnamese phonology - Wikipedia

    en.wikipedia.org/wiki/Vietnamese_phonology

    In writing, the sound /p/ is written with the letter p, as in sâm panh, derived from French champagne. [7] [1] Not every word in another language that has the initial consonant /p/ have the corresponding Vietnamese loanword with the initial consonant /p/. In some words, the sound /p/ is replaced by the sound /ɓ/.

  8. Rượu thuốc - Wikipedia

    en.wikipedia.org/wiki/Rượu_thuốc

    A small bottle of rượu thuốc Rượu thuốc in Phú Quốc island. A popular type of rượu thuốc is snake wine (rượu rắn) for its placebo ability to cure multiple diseases including far sightedness, hair loss, back pain, digestive problems, fertility problems and even leprosy. [2]

  9. Tiếng gọi thanh niên - Wikipedia

    en.wikipedia.org/wiki/Tiếng_gọi_thanh_niên

    Tiếng gọi thanh niên, or Thanh niên hành khúc (Saigon: [tʰan niəŋ hân xúk], "March of the Youths"), and originally the March of the Students (Vietnamese: Sinh Viên Hành Khúc, French: La Marche des Étudiants), is a famous song of the musician Lưu Hữu Phước.