selective hydration - определение. Что такое selective hydration
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Что (кто) такое selective hydration - определение

SCIENTIFIC METHOD USED TO AGE OR DATE OBSIDIAN OBJECTS
Obsidian hydration
Найдено результатов: 316
Hydration energy         
THE AMOUNT OF ENERGY RELEASED WHEN ONE MOLE OF IONS UNDERGO HYDRATION
Hydration enthalpy; Hydration free energy
In chemistry, hydration energy (also hydration enthalpy) is the amount of energy released when one mole of ions undergoes hydration. Hydration energy is one component in the quantitative analysis of solvation.
Selective auditory attention         
THE FOCUS ON A SPECIFIC SOURCE OF A SOUND OR SPOKEN WORDS
Selective hearing; Selective deafness; User:Spicysugar07/Selective Auditory Attention; Wikipedia talk:Articles for creation/Selective Auditory Attention; Selective Auditory Attention
Selective auditory attention or selective hearing is a type of selective attention and involves the auditory system. Selective hearing is characterized as the action in which people focus their attention intentionally on a specific source of a sound or spoken words.
selective service         
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  • military segregated]].
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  • The former seal of the Selective Service System
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  • Selective service information available in a local post office in [[Boston, Massachusetts]]
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US FEDERAL GOVERNMENT AGENCY THAT MAINTAINS INFORMATION ON THOSE POTENTIALLY SUBJECT TO MILITARY CONSCRIPTION
Selective Service; 3-A deferment; Selective service; Class 1-A; 4F (military conscription); U.S. Selective Service; 4-F (US Military); Military deferment; Student deferment; Selective Service Administration; Selective Service Board; 4-F (Selective Service System); Class 1-Y; Selective Service registration; Selective Service Number; Selective Service System classification; Selective Service Draft Act; Director of Selective Service; D.S.S. Form 1
In the United States, selective service is a system of selecting and ordering young men to serve in the armed forces for a limited period of time.
N-UNCOUNT
Hydration         
WIKIMEDIA DISAMBIGUATION PAGE
Hydrating; Hydration (disambiguation)
·noun The act of becoming, or state of being, a hydrate.
selective service         
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  • military segregated]].
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  • The former seal of the Selective Service System
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  • Selective service information available in a local post office in [[Boston, Massachusetts]]
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US FEDERAL GOVERNMENT AGENCY THAT MAINTAINS INFORMATION ON THOSE POTENTIALLY SUBJECT TO MILITARY CONSCRIPTION
Selective Service; 3-A deferment; Selective service; Class 1-A; 4F (military conscription); U.S. Selective Service; 4-F (US Military); Military deferment; Student deferment; Selective Service Administration; Selective Service Board; 4-F (Selective Service System); Class 1-Y; Selective Service registration; Selective Service Number; Selective Service System classification; Selective Service Draft Act; Director of Selective Service; D.S.S. Form 1
¦ noun N. Amer. service in the armed forces under conscription.
Selective PPAR modulator         
DRUG CLASS
Selective PPARγ modulator; Selective PPARγ modulators; SPPARM; SPPARMs; Selective PPAR modulators
A selective PPAR modulator (SPPARM) is a selective receptor modulator of the peroxisome proliferator-activated receptor (PPAR). Examples include SPPARMs of the PPARγ, BADGE, EPI-001, INT-131, MK-0533, and S26948.
Hydrating         
WIKIMEDIA DISAMBIGUATION PAGE
Hydrating; Hydration (disambiguation)
·p.pr. & ·vb.n. of Hydrate.
Selective estrogen receptor modulator         
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  •  Bazedoxifene includes an indole system (red) which is connected to an amine through a benzyloxyethyl chain (green).
  •  ''trans''-Form of clomifene with the triphenylethylene structure in red.
  •  Chemical structure of lasofoxifene shows cis-oriented phenyls.
  •  Chemical structure of nafoxidine with the dihydronapthalene group in red.
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  •  Chemical structure of ospemifene. Ethoxy side chain ends with a hydroxy group (red) instead of a dimethylamino group as with first-generation SERMs.
  • "A ring" (A) and "D ring" (D) marked in raloxifene.
GROUP OF COMPOUNDS ABLE TO BIND AND ACTIVATE ESTROGEN RECEPTORS, BUT ACTING AS EITHER AN AGONIST OR ANTAGONIST
Selective oestrogen receptor modulator; Selective estrogen receptor modulators; Oestrogen receptor beta; Selective oestrogen receptor modulators; Selective ER modulator; Selective Estrogen Receptor Modulators (SERMs); Estrogen-receptor modulator; Selective estrogen-receptor modulator; Discovery and development of selective estrogen receptor modulators; Draft:Selective estrogen receptor modulator; Estrogen receptor agonist/antagonist; ERAA; Estrogen receptor agonists/antagonists; Estrogen receptor agonist/antagonists
Selective estrogen receptor modulators (SERMs), also known as estrogen receptor agonist/antagonists (ERAAs), are a class of drugs that act on the estrogen receptor (ER). A characteristic that distinguishes these substances from pure ER agonists and antagonists (that is, full agonists and silent antagonists) is that their action is different in various tissues, thereby granting the possibility to selectively inhibit or stimulate estrogen-like action in various tissues.
IgG deficiency         
FORM OF DYSGAMMAGLOBULINEMIA
Igg deficiency; Selective deficiency of immunoglobulin G
IgG deficiency is a form of dysgammaglobulinemia where the proportional levels of the IgG isotype are reduced relative to other immunoglobulin isotypes. IgG deficiency is often found in children as transient hypogammaglobulinemia of infancy (THI), which may occur with or without additional decreases in IgA or IgM.
Ion-selective electrode         
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SENSOR THAT CONVERTS THE ACTIVITY OF A SPECIFIC ION DISSOLVED IN A SOLUTION INTO AN ELECTRICAL POTENTIAL
ISE electrode; Ion-selective membranes and electrodes; Ion selective electrodes; Ion-selective membrane; Ion selective membrane; Cyanide selective combination electrode; Ion Selective electrode; Ion-selective electrodes; Specific ion electrode; Ion selective electrode
An ion-selective electrode (ISE), also known as a specific ion electrode (SIE), is a transducer (or sensor) that converts the activity of a specific ion dissolved in a solution into an electrical potential. The voltage is theoretically dependent on the logarithm of the ionic activity, according to the Nernst equation.

Википедия

Obsidian hydration dating

Obsidian hydration dating (OHD) is a geochemical method of determining age in either absolute or relative terms of an artifact made of obsidian.

Obsidian is a volcanic glass that was used by prehistoric people as a raw material in the manufacture of stone tools such as projectile points, knives, or other cutting tools through knapping, or breaking off pieces in a controlled manner, such as pressure flaking.

Obsidian obeys the property of mineral hydration and absorbs water, when exposed to air at a well-defined rate. When an unworked nodule of obsidian is initially fractured, there is typically less than 1% water present. Over time, water slowly diffuses into the artifact forming a narrow "band," "rim," or "rind" that can be seen and measured with many different techniques such as a high-power microscope with 40–80 power magnification, depth profiling with SIMS (secondary ion mass spectrometry), and IR-PAS (infra red photoacoustic spectroscopy). In order to use obsidian hydration for absolute dating, the conditions that the sample has been exposed to and its origin must be understood or compared to samples of a known age (e.g. as a result of radiocarbon dating of associated materials).