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Статті в журналах з теми "Chemical Significance"
Debus, Allen G. "The Significance of Chemical History." Ambix 32, no. 1 (March 1985): 1–14. http://dx.doi.org/10.1179/amb.1985.32.1.1.
Повний текст джерелаMaguire, R. James. "Significance of Environmental Chemical Measurements." Journal of Great Lakes Research 13, no. 2 (January 1987): 101. http://dx.doi.org/10.1016/s0380-1330(87)71634-7.
Повний текст джерелаHoshino, Mihoko, Mitsuyoshi Kimata, Norimasa Nishida, and Masahiro Shimizu. "Crystal chemical significance of chemical zoning in dissakisite-(Ce)." Physics and Chemistry of Minerals 35, no. 2 (November 3, 2007): 59–70. http://dx.doi.org/10.1007/s00269-007-0198-y.
Повний текст джерелаDAGANI, RON. "Big Bang findings carry chemical significance." Chemical & Engineering News 70, no. 18 (May 4, 1992): 5–6. http://dx.doi.org/10.1021/cen-v070n018.p005.
Повний текст джерелаMbosso, Emmanuel Jean Teinkela, René Wintjens, Bruno Ndjakou Lenta, Silvère Ngouela, Michel Rohmer, and Etienne Tsamo. "Chemical Constituents fromGlyphaea brevisandMonodora myristica:Chemotaxonomic Significance." Chemistry & Biodiversity 10, no. 2 (February 2013): 224–32. http://dx.doi.org/10.1002/cbdv.201100378.
Повний текст джерелаGhanta Mahesh Reddy, Mehendra Shiradkar, and Akula Kalyan Chakravarthy. "Chemical and Pharmacological Significance of 1,4-Dihydropyridines." Current Organic Chemistry 11, no. 10 (July 1, 2007): 847–52. http://dx.doi.org/10.2174/138527207781024058.
Повний текст джерелаRisebrough, Robert W. "Chemical change in Antarctica—Significance? A perspective." Marine Pollution Bulletin 25, no. 9-12 (January 1992): 227–30. http://dx.doi.org/10.1016/0025-326x(92)90673-t.
Повний текст джерелаSuk, William A., Kenneth Olden, and Raymond S. H. Yang. "Chemical mixtures research: significance and future perspectives." Environmental Health Perspectives 110, suppl 6 (December 2002): 891–92. http://dx.doi.org/10.1289/ehp.110-1241268.
Повний текст джерелаLERNER, RICHARD A. "Life's Cosmic Significance." Chemical & Engineering News 73, no. 20 (May 15, 1995): 40–41. http://dx.doi.org/10.1021/cen-v073n020.p040.
Повний текст джерелаMONDAL, Sourav, Nilanjan DE, and Anita PAL. "Molecular descriptors of neural networks with chemical significance." Revue Roumaine de Chimie 65, no. 11 (2021): 1031–44. http://dx.doi.org/10.33224/rrch.2020.65.11.08.
Повний текст джерелаДисертації з теми "Chemical Significance"
Ismail, Baraem. "Dates : physico-chemical characteristics, total quality and nutritional significance." Thesis, University of Central Lancashire, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275924.
Повний текст джерелаBalasubramanian, Priya. "Characterization and Significance of Circulating Tumor Cells in Patients Obtained Using a Negative Depletion Technology." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1288151816.
Повний текст джерелаSyed, Hassan Syed Shatir Asghrar. "Significance of surface-generated radicals in the gas-solid catalytic reactions." Thesis, Curtin University, 2010. http://hdl.handle.net/20.500.11937/203.
Повний текст джерелаShilton, Vaughan Francis. "The significance of indoor:outdoor relationships, and physical and chemical composition in personal exposure to urban particulate matter." Thesis, University of Wolverhampton, 2003. http://hdl.handle.net/2436/88474.
Повний текст джерелаCallicoat, Jeffrey Scott. "Significance of Mid-Miocene volcanism in northeast Nevada: petrographic, chemical, isotopic, and temporal importance of the Jarbidge Rhyolite." Thesis, Kansas State University, 2010. http://hdl.handle.net/2097/6242.
Повний текст джерелаDepartment of Geology
Matthew E. Brueseke
The Jarbidge Rhyolite of Elko County, Nevada, is approximately 26 mapped bodies of porphyritic rhyolite. Several of the bodies are truncated by the Idaho or Utah border, and extend into the states for an unknown distance. This study focuses on five bodies, the Mahoganies, two near Wild Horse Reservoir, the outcrop enclosing the Jarbidge Mountains, and one outcrop south of Wells. The study’s focus is providing field, petrography, geochemistry, oxygen isotope, and geochronology information about the five previously mentioned bodies. Physical volcanology encountered during this study indicates the sampled Jarbidge Rhyolite are effusive lava flows and domes that coalesced over the life of the volcanic system. First order approximations indicate that erupted products cover ~1,289 km2 and erupted material totals ~509 km3. Petrography indicates primary anhydrous mineral assemblages, assimilation of granitoid, possible assimilation of metamorphic rock and magma mixing of mafic and silicic bodies. Collectively, the Jarbidge Rhyolite lava flows sampled are compositionally restricted from rhyolite to high silica rhyolite and all samples demonstrate A-type magma characteristics. Compositions from different bodies overlap on Harker diagrams, and trace element ratios distinguish few flows from the other samples. Rare earth element patterns mimic one another, and incompatible trace element ratios overlap between bodies, likely indicating the presence of one large magma body. Oxygen isotope values for selected samples range 6.61-8.95%oVSMOW are coincident with normal igneous values. New 40Ar/39Ar geochronology indicates Jarbidge Rhyolite volcanism initiated ca. 16.7 Ma near Wild Horse Reservoir and was active at Bear Creek Summit ca.15.8 Ma. Local Steens Basalt, geochemistry, and Au-Ag mineralization indicate Jarbidge Rhyolite is similar to Middle Miocene silicic volcanics (e.g. Santa Rosa-Calico volcanic field) further west in the Oregon-Idaho-Nevada tristate region.
Bowers, Gregory Arland. "Chemical Applications in Techniques of Emerging Significance: Nanoparticle Transformation in Mitochondria and Relative Tautomer Populations in Cellular Automata." Wright State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=wright1516085869626903.
Повний текст джерелаJones, Russell Guy Ashley. "Two North American arthropods of clinical significance : their venoms and the development of specific antivenoms." Thesis, Queen Mary, University of London, 2001. http://qmro.qmul.ac.uk/xmlui/handle/123456789/26248.
Повний текст джерелаMatsuo, Koji. "Significance of dopamine D1 receptor signalling for steroidogenic differentiation of human induced pluripotent stem cells." Kyoto University, 2018. http://hdl.handle.net/2433/232124.
Повний текст джерелаBailey, Andrew Douglas. "An assessment of oxygen availability, iron build-up and the relative significance of free and attached bacteria, as factors affecting bio-oxidation of refractory gold-bearing sulphides at high solids concentrations." Doctoral thesis, University of Cape Town, 1994. http://hdl.handle.net/11427/21417.
Повний текст джерелаBacterial oxidation is currently finding significant application for the oxidative pretreatment of refractory gold-bearing sulphides. Plants processing sulphide concentrates have commonly been operated at solids concentrations of between 18 and 20 per cent (m/v) (Le 180 and 200 kg.m-3). At higher concentrations, a decline in the bio-oxidation rate has been observed. Other metallurgical processes, such as chemical leaching and cyanidation, are performed at higher solids concentrations of between 40 and 50 per cent (400 and 500 kg.m-3), providing an incentive to increase the solids concentration at which bio-oxidation plants are operated. A review of literature indicated the following factors to be potential causes of reduced bio-oxidation rates at high solids concentrations: oxygen and carbon dioxide mass transfer; a low bacteria-to-solids ratio; mechanical damage of the bacte.ria; and the build-up of inhibitory oxidation products. Interaction of these factors in the completely-mixed reactors that are commonly used for biooxidation, has confounded the interpretation of the effects of individual factors. Analysis of literature data revealed a link between the sulphide grade of a particular material and the highest solids concentration at which the bacterial oxidation rate was maximal. The oxygen demand is directly proportional to the sulphide concentration in the reactor. Correlations were used to predict the oxygen transfer potential in the experimental reactors and it was found that as long as the oxygen transfer potential exceeded the oxygen demand, the biooxidation rate was proportional to the solids concentration for a specific material. Wh~n the oxygen demand equalled or exceeded the oxygen transfer potential, then the bacterial oxidation rate was limited by oxygen availability. The sulphide grade is characteristic of a particular ore or concentrate and from the data analysis oxygen availabiiity appeared to be the underlying reason why low grade materials could be oxidised at the maximum specific bio-oxidation rate at far higher solids concentrations than high-grade f!laterials. Abstract ii The experiments performed in this study were designed to further investigate the apparent relationship, identified by analysis of literature data, between sulphide grade and the solids concentration at which the bacterial oxidation rate was maximal. The effect of both solids concentration and sulphide grade on the biooxidation rate was investigated and related to the oxygen availability in the reactor.
Gustavsson, Maria. "The Significance of Liquor-to-Wood Ratio on the Reaction Kinetics of Spruce Sulphate Pulping." Thesis, Karlstad University, Faculty of Technology and Science, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-805.
Повний текст джерелаIn 1957 Vroom presented an article that dealt with the kinetics of the sulphate cook. He showed that the lignin dissolution exhibited a temperature/time dependency that could be explained by the Arrhenius equation and that the reaction was of first order with respect to lignin. However, even before Vroom introduced the H-factor all wood components were assumed to react according to a first order reaction. In recent years progresses in this area have been made. Lignin for example is nowadays considered to dissolve during three parallel first order reactions, all with differences in activation energies.
When the kinetics are evaluated, several cooking series at different temperatures and concentrations of active cooking chemicals are needed. The data points obtained are then fitted into some equation. If the concentration of the active cooking chemicals is constant, the activation energies and the chemical dependency for the dissolution of wood components can easily be found. In order to simplify the evaluations of the kinetics, very high liquor-to-wood ratios are sometimes used, often as high as 50:1 or even 75:1. In this manner, the chemical concentrations are almost constant during the cook. The problem is that in the normal industrial cook where the liquor-to-wood ratio is about 4:1, the chemical concentration is not constant. This is due mostly to the alkali consumption that takes place in the cook for example when neutralising the acidic groups in the hemicelluloses.
A disadvantage with high liquor-to-wood ratios is the high dilution of the dissolved organic matter. A high concentration of dissolved lignin boosts the dissolution of the remaining lignin in the wood residue and xylan can redeposit on the fibres when its concentration in the cooking liquor is high.
The aim of this project was to describe how different liquor-to-wood ratios influence the kinetics during sulphate cooking of spruce.
Книги з теми "Chemical Significance"
Billington, David C. Inositol phosphates: Chemical synthesis and biological significance. Weinheim: VCH Verlagsgeselschaft, 1993.
Знайти повний текст джерелаIsmail, Baraem. Dates: Physico-chemical characteristics, total quality and nutritional significance. Oxford: Oxford Brookes University, 2003.
Знайти повний текст джерелаCesare, Maltoni, Selikoff Irving J, and New York Academy of Sciences., eds. Living in a chemical world: Occupational and environmental significance of industrial carcinogens. New York, N.Y: New York Academy of Sciences, 1988.
Знайти повний текст джерела1947-, Hemminki K., and International Agency for Research on Cancer., eds. DNA adducts: Identification and biological significance. Lyon: International Agency for Research on Cancer, 1994.
Знайти повний текст джерелаK, Hemminki, and International Agency for Research on Cancer., eds. DNA adducts: Identification and biological significance. Lyon: IARC, 1993.
Знайти повний текст джерелаHe, Zhongqi, and Fengchang Wu, eds. Labile Organic Matter-Chemical Compositions, Function, and Significance in Soil and the Environment. Madison, WI, USA: Soil Science Society of America, Inc., 2015. http://dx.doi.org/10.2136/sssaspecpub62.
Повний текст джерелаScerri, Eric R. The periodic table: Its story and its significance. Oxford: Oxford University Press, 2007.
Знайти повний текст джерелаA, Trivedi, Atomic Energy of Canada Limited., and Chalk River Laboratories. Environmental Research Branch., eds. Daily tritium intakes by people living near a heavy-water research reactor facility: Dosimetric significance. Chalk River, Ont: Environmental Research Branch, Chalk River Laboratories, 1997.
Знайти повний текст джерелаEmel, Arinç, Schenkman John B, Hodgson Ernest 1932-, and NATO Advanced Study Institute on Molecular Aspects of Drug Metabolizing Enzymes (1993 : Kus̜adası, Turkey), eds. Molecular aspects of oxidative drug metabolizing enzymes: Their significance in environmental toxicology, chemical carcinogenesis, and health. Berlin: Springer-Verlag, 1995.
Знайти повний текст джерелаNATO Advanced Study Institute on Molecular Aspects of Drug Metabolizing Enzymes (1993 Kuşadası, Turkey). Molecular aspects of oxidative drug metabolizing enzymes: Their significance in environmental toxicology, chemical carcinogenesis, and health. Berlin: Springer-Verlag,in cooperation with NATO Scientific Affairs Division, 1995.
Знайти повний текст джерелаЧастини книг з теми "Chemical Significance"
Foo, L. Yeap, and Joseph J. Karchesy. "Chemical Nature of Phlobaphenes." In Chemistry and Significance of Condensed Tannins, 109–18. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4684-7511-1_6.
Повний текст джерелаBeMiller, James N. "Occurrence and Significance." In Glycoscience: Chemistry and Chemical Biology I–III, 877–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56874-9_25.
Повний текст джерелаBeMiller, James N. "Occurrence and Significance." In Glycoscience: Chemistry and Chemical Biology I–III, 1435–44. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56874-9_32.
Повний текст джерелаBeMiller, James N. "Occurrence and Significance." In Glycoscience: Chemistry and Chemical Biology I–III, 1865–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56874-9_43.
Повний текст джерелаHolst, Otto. "Occurrence and Significance." In Glycoscience: Chemistry and Chemical Biology I–III, 2083–96. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56874-9_49.
Повний текст джерелаWittmann, Valentin. "Occurrence and Significance." In Glycoscience: Chemistry and Chemical Biology I–III, 2253–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56874-9_54.
Повний текст джерелаArcos, Joseph C., Mary F. Argus, and Yin-tak Woo. "On Evidence for Preventive Significance of Dietary Supplementation." In Chemical Induction of Cancer, 370–71. Boston, MA: Birkhäuser Boston, 1995. http://dx.doi.org/10.1007/978-1-4612-4076-1_19.
Повний текст джерелаPaik, Woon Ki, and Sangduk Kim. "Protein Methylation: Chemical, Enzymological, and Biological Significance." In Advances in Enzymology - and Related Areas of Molecular Biology, 227–86. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/9780470122877.ch5.
Повний текст джерелаMarkert, Bernd, Stefan Fränzle, and Simone Wünschmann. "Significance of Water (or Some Other Liquidosphere), Soil and Atmosphere for the Chemical Evolution." In Chemical Evolution, 185–95. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-14355-2_5.
Повний текст джерелаCatt, John A. "Loess—Its Formation, Transport and Economic Significance." In Physical and Chemical Weathering in Geochemical Cycles, 113–42. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3071-1_6.
Повний текст джерелаТези доповідей конференцій з теми "Chemical Significance"
Dulin, Derek J., and Gaines S. Gibson. "Significance of Constituent Chemical age on Solid Rocket Propellant Regression Rates." In 53rd AIAA Aerospace Sciences Meeting. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2015. http://dx.doi.org/10.2514/6.2015-0006.
Повний текст джерелаKumar, Ashutosh, and Robin Marlar Rajendran. "Expediting Chemical Enhanced Oil Recovery Processes with Prediction of Chemical Reaction Yield Using Machine Learning." In ADIPEC. SPE, 2022. http://dx.doi.org/10.2118/211832-ms.
Повний текст джерелаGeyer, T. J., J. B. Gruber, M. E. Hills, C. E. Johnson, M. D. Seltzer, W. A. Weimer, and R. B. Green. "Laser Applications at the Naval Weapons Center." In Laser Applications to Chemical Analysis. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/laca.1990.tuc1.
Повний текст джерелаZhang, Tongwei, Lucy Ko, Xun Sun, Di Meng, and Scott Hamlin. "Chemical and Carbon Isotopic Gas Compositions from The Wolfcamp In Permian Basin and their Geological Significance." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.3130.
Повний текст джерелаSong, Q., Z. Xu, W. Lu, P. W. Bohn, and GJ Blanchard. "Structure and Extended Electronic States in Molecular Assemblies of Hemicyanine Amphiphiles." In Laser Applications to Chemical Analysis. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/laca.1994.wa.4.
Повний текст джерелаWilliams, Peter J., Thomas L. White, and J. Kenneth Torrance. "The Significance of Soil Freezing for Stress Corrosion Cracking." In 1998 2nd International Pipeline Conference. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/ipc1998-2054.
Повний текст джерелаRutar, Teodora, and Philip C. Malte. "NOx Formation in High-Pressure Jet-Stirred Reactors With Significance to Lean-Premixed Combustion Turbines." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0067.
Повний текст джерелаIshizaki, Yoichi, and Futoshi Yonekawa. "Reorganize Significance of Mt, Ms and Plastic Zone Size Against LMSD Under Plastic Collapse Regime." In ASME 2022 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/pvp2022-85187.
Повний текст джерелаRoy, Shrabanti, Fatemeh Hadi, and Omid Askari. "Detailed Chemical Mechanism Generation for Combustion of Ethanol-Air Mixture." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-10996.
Повний текст джерелаPashkouskaya, I. D., N. I. Nechipurenko, A. P. Zajogin, and T. A. Prokopenko. "CONTENT OF MACRO- AND MICROELEMENTS IN BLOOD AND HAIR WITH DETERMINATION OF THEIR DIAGNOSTIC SIGNIFICANCE IN PATIENTS WITH ISCHEMIC STROKE." In SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2021. http://dx.doi.org/10.46646/sakh-2021-2-83-86.
Повний текст джерелаЗвіти організацій з теми "Chemical Significance"
Velsko, S. Null Hypothesis Significance Testing for Trace Chemical Weapon Analyte Detection. Office of Scientific and Technical Information (OSTI), December 2012. http://dx.doi.org/10.2172/1059082.
Повний текст джерелаKumar, Devendra, and S. P. McGlynn. A Physico-Chemical Study of Some Areas of Fundamental Significance to Biophysics. Office of Scientific and Technical Information (OSTI), April 1999. http://dx.doi.org/10.2172/7144.
Повний текст джерелаMcGlynn, S. P., and D. Kumar. A physico-chemical study of some areas of fundamental significance to biophysics. Office of Scientific and Technical Information (OSTI), April 1992. http://dx.doi.org/10.2172/7028757.
Повний текст джерелаMcGlynn, S., and D. Kumar. A physico-chemical study of some areas of fundamental significance to biophysics. Office of Scientific and Technical Information (OSTI), April 1992. http://dx.doi.org/10.2172/7036741.
Повний текст джерелаMcGlynn, S. P. A physico-chemical study of some areas of fundamental significance to biophysics: Annual report, 1988--1989. Office of Scientific and Technical Information (OSTI), April 1989. http://dx.doi.org/10.2172/6250143.
Повний текст джерелаMcGlynn, S. P., and D. Kumar. A physico-chemical study of some areas of fundamental significance to biophysics. Annual report, 1991--1992. Office of Scientific and Technical Information (OSTI), April 1992. http://dx.doi.org/10.2172/10172831.
Повний текст джерелаMcGlynn, S. P., and D. Kumar. A physico-chemical study of some areas of fundamental significance to biophysics. Three-year comprehensive report, 1989--1992. Office of Scientific and Technical Information (OSTI), April 1992. http://dx.doi.org/10.2172/10172455.
Повний текст джерелаReilly-Collette, Marina, Brandon Booker, Kathryn Trubac, Tyler Elliott, Andrew Reichert, Charles Woodruff, and Lien Senchak. Testing of dry decontamination technologies for chemical, biological, radiological, and nuclear (CBRN) response. Engineer Research and Development Center (U.S.), May 2023. http://dx.doi.org/10.21079/11681/47032.
Повний текст джерелаRizzo, T. R. Spectroscopic probes of vibrationally excited molecules at chemically significant energies. Office of Scientific and Technical Information (OSTI), April 1993. http://dx.doi.org/10.2172/6666734.
Повний текст джерелаRizzo, T. R. Spectroscopic probes of vibrationally excited molecules at chemically significant energies. Office of Scientific and Technical Information (OSTI), March 1992. http://dx.doi.org/10.2172/5444957.
Повний текст джерела