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  2. Parts-per notation - Wikipedia

    en.wikipedia.org/wiki/Parts-per_notation

    Parts-per notation is often used describing dilute solutions in chemistry, for instance, the relative abundance of dissolved minerals or pollutants in water.The quantity "1 ppm" can be used for a mass fraction if a water-borne pollutant is present at one-millionth of a gram per gram of sample solution.

  3. PPT - Wikipedia

    en.wikipedia.org/wiki/PPT

    .ppt, the file format used by Microsoft PowerPoint presentation software; Parts-per notation for parts-per-trillion (more common) or parts-per-thousand (less common) PerlPowerTools, a revitalized of the classic Unix command set in pure Perl; Positive partial transpose, a criterion used in quantum mechanics

  4. Glossary of biology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_biology

    This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...

  5. Biophysics - Wikipedia

    en.wikipedia.org/wiki/Biophysics

    While some colleges and universities have dedicated departments of biophysics, usually at the graduate level, many do not have university-level biophysics departments, instead having groups in related departments such as biochemistry, cell biology, chemistry, computer science, engineering, mathematics, medicine, molecular biology, neuroscience ...

  6. Bioorganic chemistry - Wikipedia

    en.wikipedia.org/wiki/Bioorganic_chemistry

    Biophysical organic chemistry is a term used when attempting to describe intimate details of molecular recognition by bioorganic chemistry. [ 3 ] Natural product chemistry is the process of Identifying compounds found in nature to determine their properties.

  7. Branches of science - Wikipedia

    en.wikipedia.org/wiki/Branches_of_science

    Biochemistry, or biological chemistry, is the study of chemical processes within and relating to living organisms. [32] It is a sub-discipline of both biology and chemistry, and from a reductionist point of view it is fundamental in biology. Biochemistry is closely related to molecular biology, cell biology, genetics, and physiology.

  8. Pacing - Wikipedia

    en.wikipedia.org/wiki/Pacing

    Pacing, an example of psychomotor agitation where a person walks around a room because of mental stress or anxiety; Pacing (activity management), used to manage symptoms of chronic fatigue syndrome; Cardiac pacing, regulation of the heart rate, generally in the sense of artificial methods: Artificial pacemaker, a medical device

  9. Glossary of chemistry terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chemistry_terms

    Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...