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Atactic polymer
| Словарь химико-технологических терминов |
A type of polymer molecule in which substituent groups or atoms are arranged randomly above and below the backbone chain of atoms, when the latter are all in the same plane (e.g., in polypropylene). (also see isotactic polymer, syndiotactic polymer, and tactic polymer.)
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Атактический полимер, русский
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Atacticus [a, um], латинский
Polymarker, английский
Последовательность точек; полимаркер; графический объект с маркером и списком его положений
Polymastia, финский
Polymenorrea, финский
Polymenorrhea, финский
Polymenorrhoea, английский
Unusually frequent menstruations (note: the us spelling is polymenorrhea.)
Polymer, английский
- A material formed by the chemical combination of monomers having either the same or different chemical composition.
- A substance formed by the linkage (polymerization) of two or more simple, molecules, called monomers, to form a single larger molecule having the same elements in the same proportions as the original monomers; i.e. each monomer retains its structural identity. a polymer may be liquid or solid; solid polymers may consist of millions of repeated linked units. a polymer made from two or more similar monomers is called a copolymer; a copolymer composed of three different types of monomers is a terpolymer. natural rubber and synthetic rubbers are examples of polymers. polymers are commonly used as viscosity index improvers in multi-grade oils and tackifiers in lubricating greases.
- A compound formed by the reaction of simple molecules having functional groups that permit their combination
- One of a group of high-molecularweight resin-like, organic compounds whose structures usually can be represented by repeated small units. some polymers are elastomers, some are plastics, and some are fibers. polymer-cement concrete concrete produced by a mixture of hydraulic cement, aggregate, water, and a polymer or a monomer. polythene 749 polygonal masonry
- A high molecular weight, chain-like structure from which manufactured fibers are derived; produced by linking together molecular units called monomers.
- A macromolecule formed from a long chain of molecules called monomers; a high-molecular-weight material composed of repeating sub-units. polymers may be organic, inorganic, or organometallic, and synthetic or natural in origin. see biopolymer.
- Macromolecule composed of individual units, monomers, that bind together like building blocks.
- A large molecule composed of repeating structural units.
Polymer, немецкий
Polymer -, английский
Торкрет-полимербетон; по- лимербетон, наносимый методом торкретирования
Polymer blend, английский
Polymer concrete, английский
Concrete in which an organic polymer is used as the binder.
Polymer dispersed liquid crystal, английский
Variable compositions
Polymer matrix, английский
Polymer pen lithography (ppl), английский
A cantilever-free scanning probe lithography method for the high-throughput patterning of nanoscale features with controllable size. ppl uses pen arrays with as many as 2.8 million elastomer tips.
Polymer-impregnated -, английский
Бетонополимер
Polymerase, английский
Polímeros
Polymerase chain reaction, английский
- The technique used to amplify genetic material in order to analyse it for genetic disorders, e.g. material from a single cell in an embryo. abbr pcr
- A technique for copying and amplifying the complementary strands of a target dna molecule.
Polymerase chain reaction (pcr), английский
- Полимеразная цепная реакция (пцр) лабораторный метод. метод амплификации днк in vitro
- An in vitro molecular technique that rapidly amplifies the number of copies of specific dna sequences to make the amplified dna available for other analyses
Polymere, английский
Polymeric ., английский
Substituent, английский
Подставляемое выражение
Polypropylene, английский
- A thermoplastic polymer of propylene.
- Полипропилен - прочный пластиковый материал, необходимый в массовом производстве "дутых" досок.
- A plastic polymer of propylene; a tough material having good resistance to heat and chemical action.
- Полипропилен
- A manufactured fiber made from polymers that is strong and resilient, relatively inert, and does not absorb water or dirt. see olefin.
- Polypropylene is a synthetic resin that is strong and can be used in the making of furniture as a highly durable and often glossy protective coating.
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Атактический полимер, русский
Асимметрия, несимметричность; диссиметрия, отсутствие симметрии, русский
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