| D008670 |
Metals |
Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant & Hackh's Chemical Dictionary, 5th ed) |
Metal |
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| D009556 |
Niobium |
A metal element atomic number 41, atomic weight 92.906, symbol Nb. |
Niobium-93,Niobium 93 |
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| D011208 |
Powders |
Substances made up of an aggregation of small particles, as that obtained by grinding or trituration of a solid drug. In pharmacy it is a form in which substances are administered. (From Dorland, 28th ed) |
Powder |
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| D002627 |
Chemistry, Physical |
The study of CHEMICAL PHENOMENA and processes in terms of the underlying PHYSICAL PHENOMENA and processes. |
Physical Chemistry,Chemistries, Physical,Physical Chemistries |
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| D003188 |
Composite Resins |
Synthetic resins, containing an inert filler, that are widely used in dentistry. |
Composite Resin,Resin, Composite,Resins, Composite |
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| D003723 |
Dental Amalgam |
An alloy used in restorative dentistry that contains mercury, silver, tin, copper, and possibly zinc. |
Amalgam, Dental,Amalgams, Dental,Dental Amalgams |
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| D000535 |
Aluminum |
A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. |
Aluminium,Aluminium-27,Aluminum-27,Aluminium 27,Aluminum 27 |
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| D000538 |
Aluminum Silicates |
Any of the numerous types of clay which contain varying proportions of Al2O3 and SiO2. They are made synthetically by heating aluminum fluoride at 1000-2000 degrees C with silica and water vapor. (From Hawley's Condensed Chemical Dictionary, 11th ed) |
Aluminum Silicate,Silicate, Aluminum,Silicates, Aluminum |
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| D012821 |
Silanes |
Compounds similar to hydrocarbons in which a tetravalent silicon atom replaces the carbon atom. They are very reactive, ignite in air, and form useful derivatives. |
Silane |
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| D013314 |
Stress, Mechanical |
A purely physical condition which exists within any material because of strain or deformation by external forces or by non-uniform thermal expansion; expressed quantitatively in units of force per unit area. |
Mechanical Stress,Mechanical Stresses,Stresses, Mechanical |
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