《药学英语》教学课件 unit 4.ppt(课件中不含音视频素材)
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1、Text one chemistry and matter Pharmaceutical EnglishProperties of Matter Chemistry is the science that deals with the composition and properties of matter.Matter:Occupies space,has mass and inertiaComposition:Parts or componentsex.H2O,11.19%H and 88.81%OProperties:Distinguishing features physical an
2、d chemical properties Classification of Matter Matter is made of atoms 114 elements:periodic table.About 90%available from natural sources Compounds are comprised of two or more elements.Molecules are the smallest units of compounds.Physical Properties and Physical Changes Sulfur lumpSulfur powderco
3、pper lumpA sample of matter displays without changing its composition.Chemical Properties and Chemical Changes Gold braceletHydrochloric acidZinc-plated(iron inside)nailZn+HClZn2+H2+2Cl-Chemical change,or chemical reaction:one or more kinds of matter are converted with different compositions.Which s
4、ubjects about chemistry have you learned until now?Inorganic chemistry Organic chemistryPhysical chemistryAnalytic chemistryMacromolecular chemistryBiochemistryMedical chemistryInorganic chemistry the branch of chemistry concerned with the elements and compounds which do not contain carbon.Organic c
5、hemistry The chemistry of carbon compounds.The only major carbon compounds considered inorganic are carbonates(for instance,calcium carbonate which is one of the major forms of mineral on Earth)and oxides,such as carbon dioxide and carbon monoxide.Biochemistry The chemistry of living organisms and l
6、ife processes.ProteinCarbohydrateFatNucleic acidVocabulary Indicate indication:适应症eg:penicillin is indicated for the treatment of bacterial infection.contraindication:禁忌症eg:Ciprofloxacin is contraindicated in patients with known hypersensitivity to quinolone.Vocabulary Indicate to point to;draw atte
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