Relevant bibliographies by topics / Environmental chemistry Mathematics

Academic literature on the topic 'Environmental chemistry Mathematics'

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Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Environmental chemistry Mathematics"

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Bruggemann, Rainer, and Lars Carlsen. "Partial Order in Environmental Chemistry." Current Computer-Aided Drug Design 16, no. 3 (June 2, 2020): 257–69. http://dx.doi.org/10.2174/1573409915666190416160350.

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Background: The theory of partial order is a branch of Discrete Mathematics and is often seen as pretty esoteric. However, depending on a suitable definition of an order relation, partial order theory has some statistical flavor. Here we introduce the application of partial order for environmental chemistry. Objective : We showed that partial order is an instrument, which at the same time, has both data exploration - and evaluation potency. Methods: The partial order theory was applied in this study. It depends on four indicators which describe the environmental hazards of chemicals. Results : Nineteen organic chemicals were found within a monitoring study in the German river Main and were taken as an exemplary case. The results indicated that chemicals can have a high risk on the environment, however, the type of risk is different and should not conceptually merge into a single quantity. Conclusions: Partial order theory is of help to define different regulations and environmental management plans.
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Ziegel, Eric R., and J. Einax. "Chemometrics in Environmental Chemistry: Statistical Methods." Technometrics 38, no. 4 (November 1996): 412. http://dx.doi.org/10.2307/1271332.

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Fernholz, L., S. Morgenthaler, and W. Stahel. "Statistics in Genetics and in the Environmental Sciences. (Trends in Mathematics)." Molecules 6, no. 12 (December 31, 2001): 1059. http://dx.doi.org/10.3390/61201059.

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Glavič, Peter. "Quantities and Units in Chemical and Environmental Engineering." Standards 2, no. 1 (February 7, 2022): 43–51. http://dx.doi.org/10.3390/standards2010004.

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The International System of Quantities (ISQ) shall be used in education and textbooks, in scientific and engineering journals, in conference papers and proceedings, in industry, among others. The names of quantities together with their symbols and units are being published by the International Organization for Standardization, the standard ISO 80000 Quantities and units, composed of 13 parts. Mathematics and natural sciences (physics, light and radiation, acoustics, physical chemistry, atomic and nuclear physics, condensed matter physics) compose most of the parts. In addition, some engineering disciplines (mechanics, thermodynamics, electromagnetism) and characteristic numbers are covered. The units are based on the International System of Units (SI). Unfortunately, chemical and process engineering, as well as environmental engineering and engineering economics, are not dealt with in the standard. In this paper, they are proposed as an additional part of the ISO standard with a tentative name Chemical and environmental engineering. The additional part of the standard is suggested to include (a) reaction and separation engineering together with mass transfer and reaction kinetics, (b) process design, control, and optimization, (c) process economics, mathematical modeling, operational research, and (d) environmental engineering with climate change, pollution abatement, an increase in resource efficiency, zero waste and circular economy. The number of quantities is planned but not limited to about 70, the average of ISO 80000 parts. Each quantity item contains a quantity name and definition (including an equation if suitable), SI unit, and remarks (running number will be added later). The rules are defined in ISO 80000-1 General rules, and the practice of the other ISO 80000 parts is respected; the quantities already included in the other parts are not repeated. In addition, the IUPAC (International Union of Pure and Applied Chemistry) Green Book rules are respected. The literature used included traditional textbooks, encyclopedias, handbooks from the chemical engineering and environmental fields. Some common mistakes in printing symbols of quantities and units are mentioned.
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Becker, Joanne Rossi. "Research, Reflection, Practice: Gender and Mathematics: An Issue for the Twenty-First Century." Teaching Children Mathematics 9, no. 8 (April 2003): 470–73. http://dx.doi.org/10.5951/tcm.9.8.0470.

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Is gender still a salient equity issue for today's mathematics classrooms? Although considerable progress in women's participation in mathematics has been achieved in the last twentyfive years, inequities still exist. For example, women represent less than fifteen percent of the employed scientists and engineers in computer science, mathematics, agricultural science, environmental science, chemistry, geology, physics and astronomy, economics, and engineering (NSF 1996). Females score an average of thirty points lower than males on the mathematics section of the SAT. Despite more than two decades of intervention, parity remains a vision for the future. This article discusses our role as teachers in giving girls an equitable foundation in mathematics in the elementary grades.
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Miertus, Stanislav, and Vladimir Frecer. "Continuum models of environmental effects on molecular structure and mechanisms in chemistry and biology." Journal of Mathematical Chemistry 10, no. 1 (1992): 183–204. http://dx.doi.org/10.1007/bf01169174.

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Hunter, Margaret A. "Opportunities for Environmental Science and Engineering Outreach through K–12 Mathematics Programs." Environmental Engineering Science 23, no. 3 (May 2006): 461–71. http://dx.doi.org/10.1089/ees.2006.23.461.

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Welton, Tom. "Solvents and sustainable chemistry." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 471, no. 2183 (November 2015): 20150502. http://dx.doi.org/10.1098/rspa.2015.0502.

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Solvents are widely recognized to be of great environmental concern. The reduction of their use is one of the most important aims of green chemistry. In addition to this, the appropriate selection of solvent for a process can greatly improve the sustainability of a chemical production process. There has also been extensive research into the application of so-called green solvents, such as ionic liquids and supercritical fluids. However, most examples of solvent technologies that give improved sustainability come from the application of well-established solvents. It is also apparent that the successful implementation of environmentally sustainable processes must be accompanied by improvements in commercial performance.
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Frischknecht, P. M. "Environmental science education at the Swiss Federal Institute of Technology (ETH)." Water Science and Technology 41, no. 2 (January 1, 2000): 31–36. http://dx.doi.org/10.2166/wst.2000.0040.

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In 1987 ETHZ, the Swiss Federal Institute of Technology, first offered a degree course in environmental sciences. The curriculum is based upon a comprehensive view of the environment and its systems. The first two years of the programme cover a multidisciplinary basic education in mathematics, natural and social sciences. For their advanced education in the fifth to nineth semesters the students select one of four science disciplines (Chemistry/Microbiology, Physics, Biology or Environmental Hygiene) and one of four environmental systems (Aquatic Systems, Atmosphere, Terrestrial Systems or Anthroposphere). The education in natural sciences is accompanied by a compulsory case study, which is implemented as a didactic tool to teach ecological problem-solving, and courses in environmental social sciences and environmental technology. During the professional practical training of about four months, students gain insight into the constraints of a professional environment. In the tenth semester a diploma project - equivalent to a master's thesis - is carried out.
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Huzinaga, S., S. Katsuki, and O. Matsuoka. "Effective Hamiltonian method for environmental effects." Journal of Mathematical Chemistry 10, no. 1 (1992): 25–39. http://dx.doi.org/10.1007/bf01169169.

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Dissertations / Theses on the topic "Environmental chemistry Mathematics"

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Abia, Atogho Jude. "Polyaniline and Its Derivatives for Environmental Analysis." Digital Commons @ East Tennessee State University, 2006. https://dc.etsu.edu/etd/2240.

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Electrooxidation has been used to deposit thin film polyaniline as well as its derivative - thin film poly (ortho-phenylenediamine) (POPD) and poly (meta-phenylenediamine) (PMPD) on carbon electrodes, which are subsequently used to monitor the environmental heavy metal ions (Hg2+, Pb2+ ,Cd2+) through a rather unusual "blocking" of anodic stripping for these metals. Using Hg2+ as a model, its cyclic voltammogram for a modified glassy carbon electrode with the resultant polymer shows an enhanced cathodic peak that increases linearly with the analyte ion concentration. POPD also exhibits unique selective detection for organic species. Acetaminophen and uric acid can be preferentially detected over ascorbic acid from a mixture of these three compounds. In addition, the effect of carbon nanotubes incorporated in polyaniline (PAN) film is observed to have enhanced electrochemical catalytic activities on the remedy of environmental dichromate.
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D'Urbino, Davide. "Exploring the Effects of Different Classroom Environments on the Learning Process. Synthesis of Thiazole-Linked Porous Organic Polymers for CO2 Separation and Nitro-Aromatics Sensing." VCU Scholars Compass, 2017. http://scholarscompass.vcu.edu/etd/4918.

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When attempting to study the learning process of undergraduate chemistry student, the classroom and any interaction that take place within it constitute the social context of interest. By studying how different approaches can foster different classroom environments, it is possible to approach course design from an informed and scientifically sound perspective. Thus, it becomes necessary to identify and quantify the factors that have a positive or negative effect on the classroom environment. Social comparison concerns, comfort levels and self-efficacy have been shown to be social factors that affect each other as well as the learning process and have therefore been deemed suitable for use in this study. POGIL, a pedagogic approach to teaching chemistry based on small-group work and active learning, has been shown to lead to positive academic outcomes and is currently employed by several faculties at Virginia Commonwealth University. This study seeks to investigate differences in the learning environment observed in lecture and POGIL based chemistry courses, by adapting Micari’s survey for measuring social comparison, comfort levels and self-efficacy in small-group science learning. Reliance on the combustion of fossil-fuels, such as coal, oil and natural gas, as sources of energy has, since the industrial revolution, caused atmospheric CO2 to increase to the current level of 400ppm by volume; an increase of 25% from the 1960s when monitoring started. Climatologists predict that an increase to 450 ppm would have irreversible effects on the Earth’s environment and recommend that, in order to preserve the conditions in which civilization developed, levels be reduced to below 350 ppm. The use of porous organic polymers for capture and separation of CO2 from industrial sources has been at the forefront of research attempting to curb CO2 emission into the atmosphere. Benzimidazole based polymers have shown a high selectivity for CO2.7 To attempt to improve on the capture abilities of these polymers, we sought to synthesize sulfur containing analogs presenting thiazole moieties. Two such polymers were synthesized using a pyrene-based linker. Furthermore, the pyrene-derived fluorescence of these polymers enabled their use as chemosensors targeting nitroaromatic compounds and mercury
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Addy, Mary Akuyea. "Modified Organoclay Containing Chelating Ligand for Adsorption of Heavy Metals in Solution." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etd/1372.

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Presence of a chelating ligand in the clay structure significantly improves its ability to immobilize heavy metals from contaminated sludge or wastewater. Two-step modification procedure comprising sequential pillaring and grafting of chelating agent to the modified clay is involved. Montmorillonite and kaolin were chosen as typical examples of expandable and non-expandable clays, correspondingly. Modifications with silica and ferric oxide were targeted on development of mesoporous structure. Laboratory tests of the organoclay efficiency for purification of wastewater were conducted with the most promising sample, i.e. organoclay with the highest specific loading of chelating agent. Experiments were conducted with model wastewater containing either individual or mixed cations of heavy metals. The modified organoclay displayed a high adsorption capacity on heavy metal cations even in acidic media. The method of modification presented in this work can be used for synthesis of efficient adsorbents for applications in contaminated areas.
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Regmi, Suresh Chandra. "Monitoring Metal Containing Particulates Distribution on a College Campus Using Dandelion (Taraxacum officinale) Leaves as Receptors." Digital Commons @ East Tennessee State University, 2008. https://dc.etsu.edu/etd/1976.

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This study aims to determine the distribution of particulates carrying heavy metals at selected sites on a college campus using dandelion leaves as collectors. As a comparison, sites far away from the campus surrounding Bristol Motor Speedway Car Racing Stadium were also monitored. To reduce the probability of memory effects from the long-term atmospheric deposition or absorption of metals from soil a seasonal plant, dandelion, was used to monitor the metal contents. The metals monitored are cadmium, calcium, copper, chromium, iron, lead, and zinc. Fourteen sites were monitored and samples were collected once a week initially (growing time of the plant), and later at 4-week interval from 28th March to 31st August of 2007. The metal contents of the nitric acid digested and appropriately diluted samples were determined by flame atomic absorption spectrometry using the regular standard calibration curve and also the standard addition method. From the results obtained, and the careful log of the weather and human activities at the different sites, it is concluded that human activities played a major role in the distribution of metal-laden particulates. Also dandelion leaves were proven to be viable collectors of these particulates without memory effects and as indicators of current particulates generated rather than a long-term cumulative one.
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Item, Ann Ejimole. "Determination of Selected Heavy Metals in Some Creeks in a Tennessee City." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etd/1249.

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Concentrations of Ni, Cu, Zn, Fe, Cd, and Pb were determined in six different creeks within a city in Tennessee using Atomic Absorption Spectrophotometer. Mean concentrations of Ni, Cu, Zn, Cd, Pb, and Fe in the sites examined reveal that they exceed the USEPA recommended limits. High concentrations of Cu (0.130 mg/L), Zn (13.7 mg/L), Ni (0.267 mg/L), and Cd (0.010 mg/L) were observed in site B and Fe (3.01 mg/L) in site E relative to other sites. The concentration of Pb (0.795 mg/l) was higher in site A. Higher concentrations of Cu, Zn, and Fe were detected in samples collected in the month of January and Cd in samples collected in the month of June. Pb and Ni concentrations did not show any significant difference with respect to dates of sample collection. Their presence in the environment on a particular day depends on the type and volume of human activities.
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Zhou, Guannan. "Polycondensation of Bridged Amino-Functionalized Trialkoxysilanes." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etd/1292.

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The reduction of CO2 emission has been a worldwide mission to resolve global warming predicament. Mesoporous silsesquioxanes, which stabilized by organobridges and has high content aminon absorption site, can serve as a potential CO2 adsorbent. Synthesis of such material is done by hydrolysis and polycondensation of trialkoxysilane. The fastest gelation was observed at reaction in the absence of acids or bases. However, addition of surfactant to the reaction mixture catalyzed formation of silsesquioxanes in acidic media. Obtained materials are strongly hydrophilic and possess a high thermostability. Study of particle size distributions showed that in all cases it was bimodal. The largest particles formed in basic media. Mesoporous silsesquioxanes were obtained from bridged alkyltrimethoxysilanes in the presence of surfactants.
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Edwards, Paula Kay. "The Correlation of the Concentration of Selected Metals Determined in Water and Fish Samples from a Public Pond." Digital Commons @ East Tennessee State University, 2010. https://dc.etsu.edu/etd/1774.

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The concentrations of heavy metals (Cd, Cu, Fe, Ni, Pb, Zn) were measured in water, and fish samples caught from the pond at Fishery Park in Unicoi County, TN. The water samples were collected once a week for 8 weeks. The amounts of metals in the muscle tissues, gill, and liver of the two fish species were measured. This was to determine if any correlation exists between the metal contents in water and those in the fish samples. The concentration ranges for the heavy metals found in the water samples are as follows: Zn 0.04-0.13; Cu, 0.00-0.00; Pb, 0.00-0.59; Cd, 0.0067-0.0071; Fe, 0.208-0.512; and Ni, 0.044-0.270 ppm. The concentration range for the heavy metals found in the fish tissues are as follows: Zn 0.0-0.48; Cu, 0.00-0.00; Pb, 0.00-0.43; Cd, 0.00-99.7; Fe, 25.7-1245.5; and Ni, 0.00-268.5 ppm. There was a strong correlation found between the water and fish tissue samples.
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Dotse, Charles Kafui. "Assessing Commercial Organic and Conventionally Grown Vegetables by Monitoring Selected Heavy Metals Found in Them." Digital Commons @ East Tennessee State University, 2010. https://dc.etsu.edu/etd/1715.

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Commercially available organic and conventionally grown vegetables were studied by quantitative determination of selected metals in them and to determine if any differences found are statistically significant. These findings can help the consumers to determine if the vegetable products are within the recommended maximum limits as proposed by the joint FAO/WHO Expert committee on organic foods designation. Eight edible vegetables were purchased from local stores in both the organic and conventionally grown categories. Samples were digested with concentrated nitric acid and the metals monitored were zinc, copper, lead, iron, cadmium, and nickel using flame atomic absorption. The concentration range for the heavy metals found are as follows: Zn, 2.04-69.4; Cu, 0.35-15.1; Pb, 0.00-3.99; Cd, 0.00-0.74; Fe, 2.52-319; and Ni, 39.9-53.8 μg/g. It was found that in general, conventional vegetables contain higher amounts of most of the heavy metals studied as compared to their organic counterparts. The study also showed that all vegetables products contain below the permissible limits for Zn, Cu, Ni, and Fe. For Pb all vegetables exceeded the safe limit except organic cucumber and conventional cabbage. For Cd, organic lettuce and green pepper, and conventional leafy green, green pepper, and spinach all exceeded the limit recommended by FAO/WHO.
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Burns, Molly Elise. "A Comparison of Solvent and Water-Borne Alkyd Coatings and the History of VOC Regulations in the United States." DigitalCommons@CalPoly, 2016. https://digitalcommons.calpoly.edu/theses/1741.

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A Comparison of Solvent and Water-Borne Alkyd Coatings Abstract Conventional solvent based alkyd coatings have gone out of favor due to concerns over volatile organic compound (VOC) content. However, due to recent focus on renewable raw materials, alkyds are making a comeback in waterborne form. Water based alkyd coatings are known to have poor shelf stability and corrosion resistance, as well as other problems during the formulation process. This project focused on comparing solvent borne to two types of water-borne alkyds, water reducible alkyds and alkyds emulsions. The purpose was to understand the differences between the three types of alkyds in terms of their production and final properties. It was ultimately hoped that the formulations used for this project would prove to solve the problems normally experienced by waterborne alkyds. After testing several chemical and physical properties, it was determined that the solvent borne alkyd coatings performed better than both water based systems in corrosion resistance, accelerated weathering, and shelf stability but the water reducible and emulsion alkyd coatings performed similarly to the solvent borne alkyd in gloss, contrast ratio, and durability. The VOC emissions for all three alkyd types were as expected; the solvent borne had the highest emission at 253 g/L, followed by water reducible with 166 g/L, and emulsion with 34 g/L. The History of VOC Regulations in the United States Abstract In another solvent based alkyd coating focused project within my research group, the question of the how volatile organic compound (VOC) regulation in the United States (U.S.) evolved came up. It quickly became apparent that no comprehensive answer to this question existed. Part two of this project is an attempt to answer this question in a comprehensive manner. VOC regulations started in California in the late 1970s, and paints and coatings became a nationally regulated emission source by the 1990s. The U.S. government limited harmful emissions, such as smog and compounds contributing to ozone depletion, through Clean Air Acts. The first Clean Air Act was enacted in 1965, but it wasn’t until the Clean Air Act of 1990 that VOC emissions became a focus. VOCs are not inherently hazardous but are a source of concern because they serve as a precursor to the formation of damaging ground level ozone. The Environmental Protection Agency (EPA) has established the minimum VOC emission limits in the Architectural and Industrial Maintenance (AIM) federal rule, but each state or state subdivision can enforce stricter limits within their borders. The strictest limits are set by the South Coast Air Quality Management District (SCAQMD) in Southern California, but other entities exist. This report thoroughly documents the history of VOC regulation in the United States by collecting, combining, organizing, and summarizing information gathered from various industries and government publications, agency members, and industrial and academic professionals.
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Yuan, Jing. "Quantitation of polyamines and metabolites in mouse erythroleukemia cells by mass spectrometry." Scholarly Commons, 2005. https://scholarlycommons.pacific.edu/uop_etds/2657.

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Polyamines are naturally occurring cellular polycations essential for cell growth and differentiation. This investigation focused on the quantitative analysis of polyamines and metabolites in mouse erythroleukemia (MEL) cells by mass spectrometry. Hexamethylene bisacetamide (HMBA) is a synthetic polyamine derivative known to induce differentiation of a variety of transformed cells such as MEL cells. A fast and sensitive quantitative method for HMBA and metabolites NADAH, DAH and AcHA was developed using atmosphere pressure chemical ionization mass spectrometry (APCI/MS) by flow injection analysis. Selected ion monitoring (SIM) mode was employed for the mass spectrometric detection and d 4 -DAH was used as the internal standard for quantitation. The intracellular concentrations of HMBA and metabolites were obtained in MEL cells treated with 5mM HMBA in the presence or absence of 500μM APAH, a potent N 8 -acetylspermidine deacetylase inhibitor. A significant increase in intracellular NADAH and decrease in DAH levels in MEL cells were observed in HMBA treatment in the presence of APAH. This result indicates that APAH inhibits the second deacetylation step in HMBA metabolism, the conversion of NADAH to DAH, but not the first deacetylation of HMBA to NADAH. Two histone deacetylase (HDAC) inhibitors including sodium butyrate (NaB) and m -carboxycinnamic acid bis-hydroxamide (CBHA) were also used as inducing agents for MEL cell differentiation. Both agents caused accumulation of hyperacetylated histone H4 and H2B in MEL cells at concentrations optimal for inducing differentiation, while neither HMBA nor APAH had detectable effect on the acetylation level of histones. A fast and sensitive method for five important polyamines including putrescine (PU), spermidine (SPD), spermine (SPM), N 1 -acetylspermidine (N 1 -AcSPD) and N 8 -acetylspermidine (N 8 -AcSPD) was also developed using APCI/MS by flow injection analysis. Selected reaction monitoring (SRM) mode was employed for the mass spectrometric detection and 1,7-diaminoheptane was used as the internal standard for quantitation. The intracellular polyamine concentrations was obtained in MEL cells treated with 5mM HMBA, 2mM NaB, 3μM CBHA and 500μM APAH respectively. A significant increase in N 8 -acetylspermidine levels was observed during 3hr to 4 days treatment with APAH. There was no change in N 8 -acetylspermidine levels in MEL cells treated either with NaB or CBHA. The results from the present study suggest APAH has a selective inhibitory effect on N 8 -acetylspermidine but not histone deacetylation. While HDAC inhibitors inhibit histone deacetylase but have no effect on N 8 -acetylspermidine deacetylation. In conclusion, despite the known similarities they share, the enzymes involved in the deacetylation process of N 8 -acetylspermidine and histones in MEL cells are different.
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Books on the topic "Environmental chemistry Mathematics"

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Fundamentals of environmental chemistry. 2nd ed. Boca Raton, FL: Lewis Publishers, 2001.

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Hanrahan, Grady. Environmental chemometrics: Principles and modern applications. Boca Raton, Fla: Taylor & Francis, 2008.

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J, Breen Joseph, Robinson Philip E. 1948-, American Chemical Society. Division of Environmental Chemistry., and American Chemical Society Meeting, eds. Environmental applications of chemometrics. Washington, D.C: American Chemical Society, 1985.

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James, Girard, ed. Chemistry fundamentals: An environmental perspective. 2nd ed. Sudbury, Mass: Jones and Bartlett Publishers, 2003.

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Hugh, Flowers, ed. Environmental chemistry at a glance. Oxford: Blackwell Pub., 2006.

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Jan, Paul, Pradier Claire-Marie, and International Symposium on CO₂ Chemistry (1993 : Hemavan, Sweden), eds. Carbon dioxide chemistry: Environmental issues. Cambridge, UK: Royal Society of Chemistry, 1994.

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G, Kunz Robert, ed. Nanotechnology: Environmental implications and solutions. Hoboken, N.J: John Wiley & Sons Inc., 2005.

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D, Williams C., ed. Chemistry for environmental and Earth sciences. Boca Raton: Taylor & Francis, 2008.

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Jørgensen, Sven Erik. Handbook of estimation methods in ecotoxicology and environmental chemistry. Boca Raton, La: Lewis Publishers, 1998.

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W, Zwanziger Heinz, and Geiss Sabine, eds. Chemometrics in environmental analysis. Weinheim: VCH Verlagsgesellschaft, 1997.

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Book chapters on the topic "Environmental chemistry Mathematics"

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Genet, Jean-Pierre. "New Efficient Catalytic Processes in Water: An Environmental Bening Solvent." In NATO Science Series II: Mathematics, Physics and Chemistry, 131–54. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6793-8_7.

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Cabri, Walter. "Industrial Synthesis Design with Low Environmental Impact in the Pharma Industry." In NATO Science Series II: Mathematics, Physics and Chemistry, 119–29. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6793-8_6.

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El Mansouri, Bouabid, Malika Kili, Jamal Chao, Ahmed Fekri, and Abdelaziz Mridekh. "Mathematical Models as Tools for Prevention and Risk Estimates of Groundwater Pollution: Contributions and Challenges." In The Handbook of Environmental Chemistry, 175–91. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/698_2013_240.

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Brüningk, Sarah C., and Gibin G. Powathil. "Modelling Direct and Indirect Effects of Radiation: Experimental, Clinical and Environmental Implications." In NATO Science for Peace and Security Series A: Chemistry and Biology, 69–87. Dordrecht: Springer Netherlands, 2022. http://dx.doi.org/10.1007/978-94-024-2101-9_5.

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AbstractRadiotherapy is a commonly used treatment for cancer and is usually given in varying doses. Mathematical modelling of radiation effects traditionally means the modelling or estimation of cell-kill due to its direct exposure to irradiation and sometimes ignoring other multiple direct/indirect effects. However, advances in molecular biology have expanded this classical view and it is now realized that in addition to cell-death, signals produced by irradiated cells can further influence the behavior of non-irradiated cells or organisms in several ways. Consequently, it has now wider implications in multiple areas making it relevant for further exploration, both experimentally and mathematically. Here, we provide a brief overview of a hybrid multiscale mathematical model to study the direct and indirect effects of radiation and its implications in clinical radiotherapy, experimental settings and radiation protection.
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"Appendix A: Mathematics." In Environmental Organic Chemistry, 1185–90. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2005. http://dx.doi.org/10.1002/0471649643.app1.

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"Fundamental Chemistry and Hydraulics." In Environmental Engineer's Mathematics Handbook, 95–138. CRC Press, 2004. http://dx.doi.org/10.1201/9780203492109.pt2.

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Occhioni, Michelina, and Eleonora Paris. "Techland." In Handbook of Research on Teaching With Virtual Environments and AI, 316–40. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-7638-0.ch014.

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Techland is a virtual world completely focused on math and science (geosciences, chemistry, biology) for K6-K8 students, which has been well tested for school activities and projects in an Italian middle school. Recently, Techland has made a slowly transition from a general STEM (science, technology, engineering, and mathematics) world to a more specific and contextualized environment, with the aim to apply scientific concepts to the challenge that our society has to face today: climate change, exploitation of raw materials, pollution/remediation, green energy. Themes like circular and shared economy, sustainability, ONU Agenda 2030 Sustainable Development Goals are becoming more and more important in education. Therefore, Techland virtual environments have been expanded and improved and new environments have been created. An interdisciplinary perspective has been adopted to treat environmental themes using an inquiry-based learning methodology (IBL) adapted to virtual worlds and activities based on collaborative building, storytelling (machinima videos), and gamification.
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Kovac, Jeffrey. "Ethical Problem Solving." In The Ethical Chemist. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190668648.003.0010.

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An ethical problem is not like a mathematics problem or most science problems that have unique solutions that are either right or wrong. Instead, ethics problems are more like design problems for which several acceptable solutions can be found. Design problems are problems of making or repairing things or processes that satisfy human desires or needs (Whitbeck 1996). The most familiar example in chemistry is design of a synthesis, an example of process design. There is usually more than one way to make a particular molecule. Deciding on which method is “best” involves a large number of considerations, including cost of materials, yield, quantity and purity of product, safety, purification methods, and reaction conditions, among others. Two different chemists might choose two different routes based on individual considerations. For example, while one route might provide a higher yield but require an expensive piece of equipment, the second route has a lower yield but can be done less expensively. The chemist who already owns the specialized equipment will probably choose the first alternative, but a colleague whose research budget is limited might accept the lower yield to save money. In a second kind of synthesis design problem, the end use is known, but several molecules or materials might actually accomplish this goal. Drug design is a good example. A chemist might take on (or be assigned) the task of developing a compound that controls blood pressure by blocking an enzyme that constricts blood vessels. A number of compounds might work, and the “best” solution to the problem will depend on factors such as ease of synthesis and purification, cost, medical side effects, and safety and environmental considerations involved in the manufacture of the drug. In general, the design’s success depends on whether it achieves the desired end within the imposed criteria and constraints. There is a close analogy between design problems and real-life ethical problems. In an ethical problem, a chemist or chemistry student must devise possible courses of action, evaluate them, and then decide what to do.
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Bonazountas, Marc, Aviva Brecher, and Robert G. Vranka. "MATHEMATICAL ENVIRONMENTAL FATE MODELING." In Environmental Inorganic Chemistry, 5–1. Elsevier, 1988. http://dx.doi.org/10.1016/b978-0-08-036833-7.50012-8.

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Abu-Taieh, Evon M. O., and Jeihan M. O. Abutayeh. "Simulation Environments as Vocational and Training Tools." In Handbook of Research on Discrete Event Simulation Environments, 15–27. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-60566-774-4.ch002.

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This paper investigates over 50 simulation packages and simulators used in vocational and course training in many fields. Accordingly, the 50 simulation packages were categorized in the following fields: Pilot Training, Chemistry, Physics, Mathematics, Environment and ecological systems, Cosmology and astrophysics, Medicine and Surgery training, Cosmetic surgery, Engineering – Civil engineering, architecture, interior design, Computer and communication networks, Stock Market Analysis, Financial Models and Marketing, Military Training and Virtual Reality. The incentive for using simulation environments as vocational and training tools is to save live, money and effort.
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Conference papers on the topic "Environmental chemistry Mathematics"

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Ramadhani, Dimas Gilang, Suryadi Budi Utomo, and Nurma Yunita Indriyanti. "Students’ behavioral learning patterns in environmental chemistry blended course: An analysis toward 21st century graduates." In THE 2ND INTERNATIONAL CONFERENCE ON SCIENCE, MATHEMATICS, ENVIRONMENT, AND EDUCATION. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5139831.

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Auliah, Army, and Muharram Muharram. "Development and Validation of Specific Chemistry Teaching Mode for Environmental Sustainability." In Proceedings of the 7th Mathematics, Science, and Computer Science Education International Seminar, MSCEIS 2019, 12 October 2019, Bandung, West Java, Indonesia. EAI, 2020. http://dx.doi.org/10.4108/eai.12-10-2019.2296381.

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Sulistina, Oktavia, Sri Rahayu, I. Wayan Dasna, and Yahmin. "The Influence of Guided Inquiry-Based Learning Using Socio-Scientific Issues on Environmental Awareness of Pre-service Chemistry Teachers." In 7th International Conference on Research, Implementation, and Education of Mathematics and Sciences (ICRIEMS 2020). Paris, France: Atlantis Press, 2021. http://dx.doi.org/10.2991/assehr.k.210305.036.

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Kawedhar, Maria C. S., Sri Mulyani, and Nurma Y. Indriyanti. "Analogies and visual aids provided by chemistry teachers’ in chemistry learning: A case study of pre-service chemistry teacher." In THE 2ND INTERNATIONAL CONFERENCE ON SCIENCE, MATHEMATICS, ENVIRONMENT, AND EDUCATION. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5139780.

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Nababan, Kartyka, Budi Hastuti, and Nurma Yunita Indriyanti. "Blended learning in high school chemistry to enhance students’ metacognitive skills and attitudes towards chemistry: A need analysis." In THE 2ND INTERNATIONAL CONFERENCE ON SCIENCE, MATHEMATICS, ENVIRONMENT, AND EDUCATION. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5139800.

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Utami, Budi, Sulistyo Saputro, Ashadi, Mohammad Masykuri, and Sri Widoretno. "Performance assessment to assess students’ interpretation in chemistry learning." In THE 2ND INTERNATIONAL CONFERENCE ON SCIENCE, MATHEMATICS, ENVIRONMENT, AND EDUCATION. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5139867.

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Mitarlis, Suhadi Ibnu, Sri Rahayu, and Sutrisno. "Environmental literacy with green chemistry oriented in 21st century learning." In INTERNATIONAL CONFERENCE AND WORKSHOP ON MATHEMATICAL ANALYSIS AND ITS APPLICATIONS (ICWOMAA 2017). Author(s), 2017. http://dx.doi.org/10.1063/1.5016013.

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Jannah, Rikhinati, Sri Mulyani, Maria Ulfa, Sulistyo Saputro, Sri Yamtinah, and Mohammad Masykuri. "Investigation of chemistry preservice teachers’ understanding of technological, pedagogical, and content knowledge (TPACK)." In THE 2ND INTERNATIONAL CONFERENCE ON SCIENCE, MATHEMATICS, ENVIRONMENT, AND EDUCATION. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5139777.

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Suliyanthini, Dewi, Fajar Yulianur, Eneng Lutfia Zahra, Vivi Radiona, and Harsuyanti Lubis. "Student cognitive level achievement in the textile chemistry lesson conducted in a blended learning environment." In THE 2ND SCIENCE AND MATHEMATICS INTERNATIONAL CONFERENCE (SMIC 2020): Transforming Research and Education of Science and Mathematics in the Digital Age. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0041792.

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Sukro, Afrizal, and Rifai. "Developing students’ critical thinking skills through the integration of environment-based STEAM project in chemistry learning." In THE 2ND SCIENCE AND MATHEMATICS INTERNATIONAL CONFERENCE (SMIC 2020): Transforming Research and Education of Science and Mathematics in the Digital Age. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0045527.

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