(n.) The art of working metals, comprehending the whole process of separating them from other matters in the ore, smelting, refining, and parting them; sometimes, in a narrower sense, only the process of extracting metals from their ores.
Example Sentences:
(1) In 1984 the press-fit condylar knee was first introduced and was intended to provide a condylar knee system primarily for posterior cruciate retention that addressed refinements in metallurgy, prosthetic geometry and sizing, cementless fixation, inventory management, and instrumentation.
(2) Thirteen of the 25 revisions required in the early series were due to stem fracture, a complication rarely seen now with improved stem design and superalloy metallurgy.
(3) The authors examined a group of pregnant women employed in metallurgy and in a control group.
(4) The physical and mechanical properties of samples of a nickel-base alloy fabricated by powder metallurgy were determined.
(5) It can also be used for many other applications, for example, in metallurgy, petrography and geostrategy.
(6) in length), having either conventional smooth surfaces (control) or porous surfaces (20 to 50 micron particle size) produced by powder metallurgy techniques, were positioned in the right atrial a-pendage.
(7) An economic evaluation is made on temporary disability because of disease of trauma, for a three-year period in one shop of technological plant for nonferrous metallurgy.
(8) Archaeological and anthropological studies of early developments in writing, music and metallurgy by ancient Peruvians and Persian peoples should be combined with PET-scan studies of their descendants to discover if, as preliminary archaeological data suggest, the two ancient populations differed on a genetic basis in higher brain functions, yet are indistinguishable as metallurgical engineers.
(9) Subjects ranged from maths to metallurgy and modern languages.
(10) Metallurgical occupational hazards harm the health status in workers engaged into heat-treating metallurgy, induce the gastrointestinal disorders, which are demonstrated by the elevated transitory disablement.
(11) Basing on complex physiological and hygienic studies, the contributors propose an assessment of the work load of those engaged in the major professions in copper and nickel metallurgy.
(12) She grew up in Norilsk, a Siberian mining and metallurgy city that was once the centre of the Norillag gulag and one of the 10 most polluted places on earth.
(13) Transitory disablement in 5886 workers engaged for the whole year into heat treating metallurgy was compared during 5 years (1981-1985) with that in 291 workers engaged into repairing mechanical occupations so as to reveal metallurgical occupational factors influencing on gastrointestinal morbidity.
(14) Aluminium metal high-disperse dust presents a major health-affecting factor in aluminium powder metallurgy.
(15) In order to accurately evaluate copper exposure at working places where copper fume may arise (Metallurgy Department) it is necessary to determine Cu concentrations in respirable dust.
(16) These are as follows: ferrous metallurgy (5.21), metals producing industry (4.88), textile industry (4.83), chemical industry (4.63) and rubber processing industry (4.73).
(17) The origins of metallurgy stretch back nearly 4,000 years in South America.
(18) Working environment has been evaluated in two copper metallurgy plants by analysis of Cu and other metals (Pb, Cd, Zn) concentrations.
(19) Incidence of multiple myeloma was significantly increased for a number of occupational groups such as farmers, smelter and metallurgy workers, and miners-quarrymen-rock blasters.
(20) The attention is directed to regions with national industrial branches, most intensively polluting the atmospheric air (metallurgy, chemistry, petroleum-chemistry, cellulose-paper industry) and such, where the air pollution is related first of all to transport across the border-line.
Purification
Definition:
(n.) The act of purifying; the act or operation of separating and removing from anything that which is impure or noxious, or heterogeneous or foreign to it; as, the purification of liquors, or of metals.
(n.) The act or operation of cleansing ceremonially, by removing any pollution or defilement.
(n.) A cleansing from guilt or the pollution of sin; the extinction of sinful desires, appetites, and inclinations.
Example Sentences:
(1) During enzyme purification two nucleases were identified.
(2) Change of steps in achieved just by varying the reaction conditions without any product purification.
(3) Further purification of ZAB by filtration through Sephadex G-100 gave a preparation (ZAB2) which contained the common antigen as shown by the cross-reactivity of anti-ZAB2 rat serum with seven stains of N. gonorrhoeae.
(4) Stable factor-dependent B-cell hybridomas were used to monitor the purification of the growth factor from the supernatant of a clonotypically stimulated mouse helper T-cell clone.
(5) After immunoadsorbent purification, the final step in a purification procedure similar to that adopted for colon cancer CEA, two main molecular species were identified: 1) Material identical with colon cancer CEA with respect to molecular size, PCA solubility, ability to bind to Con A, and most important the ability to bind to specific monkey anti-CEA serum.
(6) Currently there are no IOC approved definitive tests for these hormones but highly specific immunoassays combined with suitable purification techniques may be sufficient to warrant IOC approval.
(7) A rapid method is described for the purification and analysis of synthetic oligonucleotides, based on reversed-phase high-performance liquid chromatography.
(8) The influence of exogenous mitogens (RFG, TGF beta 1 and insulin) and autocrine factor (at different step of purification) on the growth of Morris hepatoma 7777 (MH) cells was estimated by both methods.
(9) In a previous publication the purification and properties of two protein kinases (KI and KII) from a soluble fraction of bovine corpus luteum and the stimulation of the latter fol.
(10) for 48 h followed by Leydig cell isolation and purification resulted in a decrease in the maxima of hCG-induced cAMP accumulation and testosterone production by approximately 70% and approximately 55%, respectively, when compared to cells of control mice.
(11) These plasmids allow expression of native or truncated forms of the enzyme and easy purification of the products.
(12) The enzyme extracted from strains containing the recombinant plasmid was identical to N. crassa catabolic dehydroquinase by the criteria of heat stability, ammonium sulfate fractionation, immunological crossreactivity, molecular weight, and purification characteristics.
(13) Three triacetinases (A, B and C) were shown to undergo reciprocal conversions under storage and during some purification procedures (effect of pH, ionic strength, ion-exchange chromatography, concentration, lyophilization, etc.).
(14) Sindbis virus nucleocapsids were isolated from mature virions by a two-step purification method.
(15) The major scrapie prion protein, designated PrP 27-30, exhibited both charge and size heterogeneity after purification from infected hamster brains.
(16) We have used this procedure successfully during the purification of epidermal glycoproteins.
(17) The purification and concentration of these viruses in their monomeric forms is hazardous when conventional "tube" rotors are used since they invariably result in dissociation and aggregation of the virus particles.
(18) These methods can be applied to the purification and characterization of the as yet undefined secretory and circulating forms of PTHrP.
(19) The possibility that mammalian DNA topoisomerase II is an intracellular target which mediates drug-induced DNA breaks is supported by the following studies using 4'-(9-acridinylamino)methane-sulfon-m-anisidide (m-AMSA): (a) a single m-AMSA-dependent DNA cleavage activity copurified with calf thymus DNA topoisomerase II activity at all chromatographic steps of the enzyme purification; (b) m-AMSA-induced DNA cleavage by this purified activity resulted in the covalent attachment of protein to the 5'-ends of the DNA via a tyrosyl phosphate bond.
(20) These experiments may provide the basis for the expanded use of immobilized lectins for purification and characterization of hydrolases and other glycoproteins.