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  • ovotoxic
  • Exposure of women to chemicals that are ovotoxic in laboratory animals (chemotherapeutic agents, contaminants of cigarette smoke) is known to be associated with early menopause. (springer.com)
  • 1983
  • Anderson PW (1983) Suggested model for prebiotic evolution: the use of chaos. (springer.com)
  • The Council of Scientific and Industrial Research, the apex agency of the Government of India for scientific research, awarded him the Shanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards, in 1983, for his contributions to chemical sciences. (wikipedia.org)
  • mechanistic
  • The practical benefits associated with a mechanistic, equilibrium chemistry based model include: a) improved control of ferric dosage depending on pH conditions (chemical savings), b) better estimates of chemical sludge produced, and c) by modeling the competition between iron phosphate and iron in other forms, better understanding of the iron overdose required. (ingentaconnect.com)
  • species
  • Iron phosphate solubility, the dissociation state of many other chemical species, as well as adsorption of phosphate ions on hydroxy complexes and flocculation also play a role (D.W. de Haas et al. (ingentaconnect.com)
  • While related general circulation models (GCMs) focus on simulating overall atmospheric dynamics (e.g. fluid and heat flows), a CTM instead focuses on the stocks and flows of one or more chemical species. (wikipedia.org)
  • but a CTM will be expected to accurately represent the entire cycle for the species of interest, including fluxes (e.g. advection), chemical production/loss, and deposition. (wikipedia.org)
  • molecule
  • Thus, according to this model, the methane molecule is a regular tetrahedron, in which center the carbon nucleus locates, and in the corners - the nucleus of hydrogen. (wikipedia.org)
  • chemistry
  • Building on this article, Pauling's 1939 textbook: On the Nature of the Chemical Bond would become what some have called the bible of modern chemistry. (wikipedia.org)
  • simulations
  • The beauty of COMSOL is that it provides a unified modeling platform no matter what type of simulations you are performing. (comsol.nl)
  • Rokhsar DS, Anderson PW, Stein DL (1986) Self-organization in prebiological systems: simulations of a model for the origin of genetic information. (springer.com)
  • range
  • the largest chemical P removal plant in the world, showed that residuals as low as 10 μgP/L OP were regularly achieved, over a wider pH range. (ingentaconnect.com)
  • The process of recalculating outcomes under alternative assumptions to determine the impact of a variable under sensitivity analysis can be useful for a range of purposes, including: Testing the robustness of the results of a model or system in the presence of uncertainty. (wikipedia.org)
  • ovarian
  • Environmental chemicals that destroy oocytes contained in these follicles can produce premature ovarian failure (early menopause in women) because once destroyed, they cannot be replaced. (springer.com)
  • P.B. Hoyer, and I.G. Sipes, Assessment of follicle destruction in chemical-induced ovarian toxicity. (springer.com)
  • physical
  • Chemical process modeling requires a knowledge of the properties of the chemicals involved in the simulation, as well as the physical properties and characteristics of the components of the system, such as tanks, pumps, pipes, pressure vessels, and so on. (wikipedia.org)
  • The journal is abstracted and indexed in: Chemical Abstracts Service Scopus ProQuest databases Science Citation Index Current Contents/Physical, Chemical & Earth Sciences Index Medicus/MEDLINE/PubMed. (wikipedia.org)
  • environmental
  • TCAM is developed by the ESMA (Environmental Systems Modeling and Assessment) group of University of Brescia. (wikipedia.org)
  • Examples are the European Commission (see e.g. the guidelines for impact assessment), the White House Office of Management and Budget, the Intergovernmental Panel on Climate Change and US Environmental Protection Agency's modelling guidelines. (wikipedia.org)
  • important
  • The present series ofbooks dwells on the most important models of chemical bonding and on the variety of its manifestations. (springer.com)
  • To seek to identify important connections between observations, model inputs, and predictions or forecasts, leading to the development of better models. (wikipedia.org)
  • Series
  • ACS Symposium Series, Chemical Modeling of Aqueous Systems II (D. C. Melchior und R. L. Bassett, eds. (springer.com)
  • As for modelling the impact response, a series of unconfined rate stick data are used to construct the size effect curve which represents the relationship between detonation velocity and inverse radius of the sample. (witpress.com)
  • He propose this model first in the article "Systems containing several nuclei" - the third and last of the classic series of articles by Bohr, published in November 1913 in Philosophical Magazine. (wikipedia.org)
  • structure
  • These changes are taken into account by a relation derived from a fractal model of the pore space structure (Pape et al. (springer.com)
  • Niels Bohr and the Quantum Atom: The Bohr Model of Atomic Structure 1913-1925. (wikipedia.org)
  • Model simplification - fixing model inputs that have no effect on the output, or identifying and removing redundant parts of the model structure. (wikipedia.org)
  • materials
  • The chemical response of energetic materials is analysed in terms of 1) the thermal decomposition under thermal stimulus and 2) the reactive flow upon the mechanical impact, both of which give rise to an exothermic thermal runaway or an explosion. (witpress.com)
  • cellular
  • Researchers at Penn State University have developed a chemical model that mimics a possible step in the formation of cellular life on Earth four-billion years ago. (scitechdaily.com)
  • mechanisms
  • The various chemical and physico-chemical mechanisms that result in extremely low residual OP levels are complex and pH dependent. (ingentaconnect.com)
  • Therefore, an overall understanding of mechanisms involved in chemical-induced ovotoxicity is of general health-related concern (Hoyer and Sipes, 1996). (springer.com)
  • Quite often, some or all of the model inputs are subject to sources of uncertainty, including errors of measurement, absence of information and poor or partial understanding of the driving forces and mechanisms. (wikipedia.org)
  • results
  • For validation of the modelled results, a cook-off test and a pressure chamber test are used to compare the predicted chemical response of the aluminized RDX that is either thermally or mechanically loaded. (witpress.com)
  • Bond
  • In addition to the model of the atom, Niels Bohr also proposed a model of the chemical bond. (wikipedia.org)
  • The Bohr model of the chemical bond took into account the Coulomb repulsion - the electrons in the ring are at the maximum distance from each other. (wikipedia.org)
  • However, such a peptide, after a modification on its scissile bond with some simple chemical procedure, will completely lose its cleavability but it can still tightly bind to the enzyme's active site. (wikipedia.org)
  • system
  • 1988). Using temperature dependent Pitzer coefficients, the system Na-K-Mg-Ca-Ba-Sr-Si-H-Cl-SO 4 -OH-(HCO 3 -CO 3 -CO 2 )-H 2 O can be modeled with sufficient accuracy for temperatures from 0° to 150°C. The incorporated carbonic acid system (set in parentheses in the list above) is valid for temperatures from 0 to 90°C, only. (springer.com)
  • Increased understanding of the relationships between input and output variables in a system or model. (wikipedia.org)
  • Further, models may have to cope with the natural intrinsic variability of the system (aleatory), such as the occurrence of stochastic events. (wikipedia.org)
  • demonstrate
  • Weak coupling with monotonic (bistable) dynamical regimes demonstrate spatial chaos phenomena and are popular in neural models. (wikipedia.org)
  • large
  • In case of calibrating models with large number of parameters, a primary sensitivity test can ease the calibration stage by focusing on the sensitive parameters. (wikipedia.org)
  • The model has a large number of uncertain inputs. (wikipedia.org)
  • requires
  • This model requires pH as input and predicts a lowest achievable OP residual of 35 μgP/L at a narrow optimum pH of 6.9 - 7.0, when an excess of ferric is added. (ingentaconnect.com)
  • theoretical
  • A team of researchers from the Moscow Institute of Physics and Technology (MIPT) and the Institute for Theoretical and Applied Electrodynamics (ITAE) of the Russian Academy of Sciences (RAS), in collaboration with a colleague from RIKEN (Institute for Physical and Chemical Research in Japan), has provided theoretical proof of the existence of a new class of materials. (mipt.ru)
  • Idealized theoretical electrochemical thermodynamic relationships such as the Nernst equation are modeled without a time component. (wikipedia.org)
  • Cancer
  • She recently developed an animal model to study arsenic-induced skin cancer and to demonstrate that in utero exposure to trace levels of arsenic in drinking water leads to skin tumor formation when the animals mature to young adults. (wikipedia.org)
  • Principles
  • In the health realization ("HR") model, all psychological phenomena, from severe disorder to glowing health, are presented as manifestations of three operative "principles" first formulated as principles of human experience by Sydney Banks: Mind - the universal energy that animates all of life, the source of innate health and well-being. (wikipedia.org)
  • mouse models
  • And recent reports from experiments in mouse models engineered to have Alzheimer's-like changes and symptoms suggest that changing the bacterial profile in their digestive tract-by changing their diet-may reduce amyloid plaques, lower inflammation and improve memory. (medicalxpress.com)
  • Using ODC transgenic mouse models, Gilmour showed that elevated ODC and polyamines promote tumorigenesis via multiple functional mechanisms including increasing proliferation, angiogenesis, chromatin remodeling and invasiveness, while also suppressing the immune response. (wikipedia.org)
  • Main
  • Amino acids are the main source of chemical energy for H. salinarum, particularly arginine and aspartate, though they are able to metabolize other amino acids, as well. (wikipedia.org)
  • aspects
  • While our interest in their work has concentrated on modeling aspects, they are also very competent in running practical laboratory experiments too. (comsol.se)
  • While these models are insufficient alone to describe the dynamic aspects of voltammetry, models like the Tafel equation and Butler-Volmer equation lay the groundwork for the modified voltammetry relationships that relate theory to observed results. (wikipedia.org)
  • Journal
  • Honorary Doctor of Science degree from the University of Minnesota (1987) Distinguished Alumni Award from the University of St. Thomas (2000) The Origins of the Minnesota Model of Addiction Treatment-A First Person Account (Journal of Addictive Diseases. (wikipedia.org)
  • animal
  • We don't know yet exactly what the changes we are seeing mean-especially in animal models-whether they are cause or effect. (medicalxpress.com)
  • The plant also produces 13,000 metric tons of lignin pellets per year, used as fuel at combined-heat-and-power plants, and 11,100 metric tons of C5 molasses which is currently used for biomethane production via anaerobic digestion, and has been tested as a high carbohydrate animal feed supplement and potential bio-based feedstock for production of numerous commodity chemicals including diols, glycols, organic acids, and biopolymer precursors and intermediates. (wikipedia.org)
  • Development
  • He is most associated with the development of the Minnesota Model, the clinical method of addiction treatment, based in part on the twelve-step program of Alcoholics Anonymous. (wikipedia.org)
  • original
  • Hodgkin and Huxley's original model only employed two voltage-sensitive currents (Voltage sensitive ion channels are glycoprotein molecules which extend through the lipid bilayer, allowing ions to traverse under certain conditions through the axolemma), the fast-acting sodium and the inward-rectifying potassium. (wikipedia.org)
  • nature
  • A large array of toxic waste products are being released into the environment where they will never be broken down - chemical compounds such as chlorinated hydrocarbons have no counterparts in nature, and therefore there are no natural processes to assimilate them. (mha-net.org)
  • studies
  • He also taught for many years at the Rutgers University Summer School of Alcohol Studies and lectured frequently at the University of Minnesota Chemical Dependency Counselor Certificate Program. (wikipedia.org)