irradiation testing
71List of Statutory Instruments of the United Kingdom, 1990 — NOTOC This is a complete list of all 1646 Statutory Instruments published in the United Kingdom in the year 1990.1 100* Caseins and Caseinates (Scotland) Amendment Regulations 1990 S.I. 1990/1 * Personal Community Charge (Relief) (England)… …
72ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… …
73Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …
74Median lethal dose — This article is about the toxicological term. For the album by Mudvayne, see L.D. 50 (album). For other uses, see LD50 (disambiguation). In toxicology, the median lethal dose, LD50 (abbreviation for “Lethal Dose, 50%”), LC50 (Lethal Concentration …
75Genetically modified food — Genetically modified foods (GM foods or GMO foods) are foods derived from genetically modified organisms (GMOs). Genetically modified organisms have had specific changes introduced into their DNA by genetic engineering techniques. These… …
76Shroud of Turin — The Shroud of Turin: modern photo of the face, positive left, negative right. Negative has been contrast enhanced. The Shroud of T …
77Photovieillissement accéléré en SEPAP — SEPAP UN OUTIL POUR ÉVALUER LA DURÉE DE VIE DES MATIÈRES PLASTIQUES * 4 lampes à vapeur de mercure de 400Watts émettant intensément entre 290 et 450nm * Un contrôle de température de la surface de l échantillon entre 45 °C et 80  …
78Material properties of diamond — This article addresses the material properties of diamond. For a broader discussion of diamonds, see diamond. For other uses of the word diamond, see diamond (disambiguation). Diamond An octahedral diamond crystal in matrix Gener …
79Ecamsule — IUPAC name [(3Z) 3 [[4 [(Z) [7,7 Dimethyl 2 oxo 1 (sulfomethyl) 3 bicyclo[2.2.1]heptanylidene]methyl]phenyl]methylidene] 7,7 dim …
80Reporting of Injuries, Diseases and Dangerous Occurrences Regulations — Infobox UK Statutory Instrument Title=The Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 1995 parliament=United Kingdom Parliament Citation=1995 No. 3163 introduced by=Paul Beresford Department of the Environment… …
