coating technology
91Optically active additive — (OAA) is an organic or inorganic material which, when added to a coating, makes that coating react to ultra violet light. This effect enables quick, non invasive inspection of very large coated areas during the application process allowing the… …
92tin processing — Introduction preparation of the ore for use in various products. Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88° C… …
93Compact Cassette — A TDK D C60 cassette, a common speech quality tape with a 60 minute playing time, in a housing similar to that of the original Compact Cassette specification …
94Plasma electrolytic oxidation — (PEO), also known as microarc oxidation (MAO), is an electrochemical surface treatment process for generating oxide coatings on metals. It is similar to anodizing, but it employs higher potentials, so that discharges[1] occur and the resulting… …
95NASA spin-off — Science and technology in the United States African American contributions Discoveries …
96Chromium — This article is about the chemical element. For other uses, see Chromium (disambiguation). vanadium ← chromium → manganese ↑ Cr ↓ Mo …
97Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… …
98Chronic electrode implants — are electronic devices implanted into the brain. They may record electrical impulses in the brain or they may stimulate neurons with electrical impulses from an external source. Contents 1 Clinical applications and direction 1.1 Clinical… …
99Wujing Zongyao — The Wujing Zongyao (Zh cpwl|c=武经总要|p= Wǔjīng Zǒngyào |w= Wu Ching Tsung Yao |l=Collection of the Most Important Military Techniques) was a Chinese military compendium written in 1044 AD, during the Northern Song Dynasty. Its authors were the… …
100Multijunction photovoltaic cell — Multi junction solar cells or tandem cells are solar cells containing several p n junctions. Each junction is tuned to a different wavelength of light, reducing one of the largest inherent sources of losses, and thereby increasing efficiency.… …
