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Heptane or n-heptane is the straight-chain alkane with the chemical formula H 3 C(CH 2) 5 CH 3 or C 7 H 16. When used as a test fuel component in anti-knock test engines, a 100% heptane fuel is the zero point of the octane rating scale (the 100 point is 100% iso-octane ).
Graded exercise therapy (GET) is a programme of physical activity that starts very slowly and gradually increases over time, intended as a treatment for myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). Most public health bodies, including the CDC and NICE, consider it ineffective, and its safety is disputed.
The parent unsymmetrical member is spiro[2.4]heptane, which features cyclopropyl and cyclopentyl rings sharing one carbon. An early example of a spiro[3.3]heptane is the dicarboxylic acid C[(CH 2 ) 2 CH(CO 2 H)] 2 , also called Fecht's acid in honor of H. Fecht, of the Strasbourg Institute of Chemistry, the person who obtained this compound.
Arsenic poisoning (or arsenicosis) is a medical condition that occurs due to elevated levels of arsenic in the body. [4] If arsenic poisoning occurs over a brief period of time, symptoms may include vomiting, abdominal pain, encephalopathy, and watery diarrhea that contains blood. [1]
The original PEMF devices consisted of a Helmholtz coil which generated a magnetic field. The patient's body was placed inside the magnetic field to deliver treatment. Today, the majority of PEMF wellness devices resemble a typical yoga mat in dimensions but are slightly thicker to house several flat spiral coils to produce an even electromagnetic
Involuntary rumination, similar to what is seen in humans, has been described in gorillas and other primates. [27] Macropods such as kangaroos also regurgitate, re-masticate, and re-swallow food, but these behaviors are not essential to their normal digestive process, are not observed as predictably as the ruminants', and hence were termed ...
Metal toxicity or metal poisoning is the toxic effect of certain metals in certain forms and doses on life.Some metals are toxic when they form poisonous soluble compounds. . Certain metals have no biological role, i.e. are not essential minerals, or are toxic when in a certain for
Unlike neonates, hyperbilirubinemia itself requires no treatment in adults. Instead, treatment varies by underlying diseases. As mentioned, cholelithiasis is the most common cause of hyperbilirubinemia. Gallstones can be removed using acid or shock waves in litholytic therapy and lithotripsy, respectively.