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Добірка наукової літератури з теми ""street chemistry""

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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Статті в журналах з теми ""street chemistry""

Maison, Alice, Cédric Flageul, Bertrand Carissimo, Andrée Tuzet, and Karine Sartelet. "Parametrization of Horizontal and Vertical Transfers for the Street-Network Model MUNICH Using the CFD Model Code_Saturne." Atmosphere 13, no. 4 (March 25, 2022): 527. http://dx.doi.org/10.3390/atmos13040527.

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Cities are heterogeneous environments, and pollutant concentrations are often higher in streets compared with in the upper roughness sublayer (urban background) and cannot be represented using chemical-transport models that have a spatial resolution on the order of kilometers. Computational Fluid Dynamics (CFD) models coupled to chemistry/aerosol models may be used to compute the pollutant concentrations at high resolution over limited areas of cities; however, they are too expensive to use over a whole city. Hence, simplified street-network models, such as the Model of Urban Network of Intersecting Canyons and Highways (MUNICH), have been developed. These include the main physico-chemical processes that influence pollutant concentrations: emissions, transport, deposition, chemistry and aerosol dynamics. However, the streets are not discretized precisely, and concentrations are assumed to be homogeneous in each street segment. The complex street micro-meteorology is simplified by considering only the vertical transfer between the street and the upper roughness sublayer as well as the horizontal transfer between the streets. This study presents a new parametrization of a horizontal wind profile and vertical/horizontal transfer coefficients. This was developed based on a flow parametrization in a sparse vegetated canopy and adapted to street canyons using local-scale simulations performed with the CFD model Code_Saturne. CFD simulations were performed in a 2D infinite street canyon, and three streets of various aspect ratios ranging from 0.3 to 1.0 were studied with different incoming wind directions. The quantities of interest (wind speed in the street direction and passive tracer concentration) were spatially averaged in the street to compare with MUNICH. The developed parametrization depends on the street characteristics and wind direction. This effectively represents the average wind profile in a street canyon and the vertical transfer between the street and the urban roughness sublayer for a wide range of street aspect ratios while maintaining a simple formulation.

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Lugon, Lya, Karine Sartelet, Youngseob Kim, Jérémy Vigneron, and Olivier Chrétien. "Nonstationary modeling of NO2, NO and NOx in Paris using the Street-in-Grid model: coupling local and regional scales with a two-way dynamic approach." Atmospheric Chemistry and Physics 20, no. 13 (July 3, 2020): 7717–40. http://dx.doi.org/10.5194/acp-20-7717-2020.

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Abstract. Regional-scale chemistry-transport models have coarse spatial resolution (coarser than 1 km ×1 km) and can thus only simulate background concentrations. They fail to simulate the high concentrations observed close to roads and in streets, where a large part of the urban population lives. Local-scale models may be used to simulate concentrations in streets. They often assume that background concentrations are constant and/or use simplified chemistry. Recently developed, the multi-scale model Street-in-Grid (SinG) estimates gaseous pollutant concentrations simultaneously at local and regional scales by coupling them dynamically. This coupling combines the regional-scale chemistry-transport model Polair3D and a street-network model, the Model of Urban Network of Intersecting Canyons and Highway (MUNICH), with a two-way feedback. MUNICH explicitly models street canyons and intersections, and it is coupled to the first vertical level of the chemical-transport model, enabling the transfer of pollutant mass between the street-canyon roof and the atmosphere. The original versions of SinG and MUNICH adopt a stationary hypothesis to estimate pollutant concentrations in streets. Although the computation of the NOx concentration is numerically stable with the stationary approach, the partitioning between NO and NO2 is highly dependent on the time step of coupling between transport and chemistry processes. In this study, a new nonstationary approach is presented with a fine coupling between transport and chemistry, leading to numerically stable partitioning between NO and NO2. Simulations of NO, NO2 and NOx concentrations over Paris with SinG, MUNICH and Polair3D are compared to observations at traffic and urban stations to estimate the added value of multi-scale modeling with a two-way dynamical coupling between the regional and local scales. As expected, the regional chemical-transport model underestimates NO and NO2 concentrations in the streets. However, there is good agreement between the measurements and the concentrations simulated with MUNICH and SinG. The two-way dynamic coupling between the local and regional scales tends to be important for streets with an intermediate aspect ratio and with high traffic emissions.

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Takagi, Masahiro, Shigeyuki Sasaki, Koichiro Gyokusen, and Akira Saito. "Stemflow chemistry of urban street trees." Environmental Pollution 96, no. 1 (1997): 107–9. http://dx.doi.org/10.1016/s0269-7491(97)00005-5.

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Huang, Xianfeng, Congmin Li, and Zhixiang Zhuang. "Analysis of Height-to-Width Ratio of Commercial Streets with Arcades Based on Sunshine Hours and Street Orientation." Applied Sciences 11, no. 4 (February 14, 2021): 1706. http://dx.doi.org/10.3390/app11041706.

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By extracting and simplifying the characteristics of commercial streets with arcades (Qilou) in Nanning, the tissue map of Qilou streets which reflects the urban morphology, including the road network form, block scale, building scale and other characteristics in a hot and humid area is obtained. In addition, the sunshine simulation is performed by using sunshine design software in an environment comprising streets with arcades to simulate street sunlight environments under various conditions. The relationship among street height-to-width ratio, sunshine hours, and street orientation angle is achieved by nonlinear fitting analysis. Then, a model is established to adjust the street height-to-width ratio based on sunshine requirement and street orientation. The finding indicated that when the street is north–south, it is suggested that the street height-to-width ratio is 0.95–1.13 to reduce sunshine hours effectively, and when the street is east–west, it is proposed that one side of the street should have a recessed space to improve the thermal conditions. The results of this study can serve as the specific guidelines that can be adopted in the redesign and reformation of commercial streets with arcades to achieve thermal comfort of Qilou streets in hot and humid areas.

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Kakosimos, Konstantinos E., Ole Hertel, Matthias Ketzel, and Ruwim Berkowicz. "Operational Street Pollution Model (OSPM) - a review of performed application and validation studies, and future prospects." Environmental Chemistry 7, no. 6 (2010): 485. http://dx.doi.org/10.1071/en10070.

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Environmental context Trafficked streets are air pollution hot spots where people experience high exposure to hazardous pollutants. Although monitoring networks provide crucial information about measured pollutant levels, the measurements are resource demanding and thus can be performed at only few selected sites. Fast and easily applied street pollution models are therefore necessary tools to provide information about the loadings in streets without measurement activities. We evaluate the Operational Street Pollution Model, one of the most commonly applied models in air pollution management and research worldwide. Abstract Traffic emissions constitute a major source of health hazardous air pollution in urban areas. Models describing pollutant levels in urban streets are thus important tools in air pollution management as a supplement to measurements in routine monitoring programmes. A widely used model in this context is the fast and easy to apply Operational Street Pollution Model (OSPM). For almost 20 years, OSPM has been routinely used in many countries for studying traffic pollution, performing analyses of field campaign measurements, studying efficiency of pollution abatement strategies, carrying out exposure assessments and as reference in comparisons to other models. OSPM is generally considered as state-of-the-art in applied street pollution modelling. This paper outlines the most important findings in OSPM validation and application studies in literature. At the end of the paper, future research needs are outlined for traffic air pollution modelling in general but with outset in the research performed with OSPM.

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Kang, Bumjoon, Sangwon Lee, and Shengyuan Zou. "Developing Sidewalk Inventory Data Using Street View Images." Sensors 21, no. 9 (May 10, 2021): 3300. http://dx.doi.org/10.3390/s21093300.

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(1) Background: Public sidewalk GIS data are essential for smart city development. We developed an automated street-level sidewalk detection method with image-processing Google Street View data. (2) Methods: Street view images were processed to produce graph-based segmentations. Image segment regions were manually labeled and a random forest classifier was established. We used multiple aggregation steps to determine street-level sidewalk presence. (3) Results: In total, 2438 GSV street images and 78,255 segmented image regions were examined. The image-level sidewalk classifier had an 87% accuracy rate. The street-level sidewalk classifier performed with nearly 95% accuracy in most streets in the study area. (4) Conclusions: Highly accurate street-level sidewalk GIS data can be successfully developed using street view images.

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Qi, Meng, and Steve Hankey. "Using Street View Imagery to Predict Street-Level Particulate Air Pollution." Environmental Science & Technology 55, no. 4 (February 4, 2021): 2695–704. http://dx.doi.org/10.1021/acs.est.0c05572.

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Oludare, Olupemi. "Street language in Dùndún Drum Language." African Music : Journal of the International Library of African Music 11, no. 3 (February 28, 2022): 33–54. http://dx.doi.org/10.21504/amj.v12i1.2429.

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Dùndún drum language is a practice of speech surrogacy employed by dùndún drummers in Yoruba culture. The dùndún drummers play sequences of melo-rhythmic patterns; a form of communication that employs musical and linguistic elements, comprehensible to listeners knowledgeable in the Yoruba language. Although these sequenced patterns are sourced from Yoruba everyday sentences and oral genres (proverbs, poetry, praise-chants, and idiomatic phrases), the drummers also embrace other social narratives. These include the popular linguistic expressions in public spaces referred to as “street language.” This is because the streets serve as spaces for social life, musical and cultural imaginaries, musical and language expressions, and identity. This street language, referred to as “ohùn ìgboro” in Yoruba, include slang (saje), slurs (òtè), neologies (ènà), satire (èfè), dance-drum patterns (àlùjó), and socio-political slogans (àtúnlò-èdè). This article explores the influence of street language on dùndún music. This article follows an ethnographic model, with an analysis of the content of the dùndún music and its associated texts. The article’s findings include the extent to which the two cultures have overlapped, and the various socio-cultural benefits of adopting the language of each other’s cultural practices. In the process, the article contributes to the debate on authenticity and social structure in Yoruba culture. The article emphasises the need for an integrated research approach of music and language and their interrelationship to street cultures in Nigeria.

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Kim, Youngseob, You Wu, Christian Seigneur, and Yelva Roustan. "Multi-scale modeling of urban air pollution: development and application of a Street-in-Grid model (v1.0) by coupling MUNICH (v1.0) and Polair3D (v1.8.1)." Geoscientific Model Development 11, no. 2 (February 15, 2018): 611–29. http://dx.doi.org/10.5194/gmd-11-611-2018.

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Abstract. A new multi-scale model of urban air pollution is presented. This model combines a chemistry–transport model (CTM) that includes a comprehensive treatment of atmospheric chemistry and transport on spatial scales down to 1 km and a street-network model that describes the atmospheric concentrations of pollutants in an urban street network. The street-network model is the Model of Urban Network of Intersecting Canyons and Highways (MUNICH), which consists of two main components: a street-canyon component and a street-intersection component. MUNICH is coupled to the Polair3D CTM of the Polyphemus air quality modeling platform to constitute the Street-in-Grid (SinG) model. MUNICH is used to simulate the concentrations of the chemical species in the urban canopy, which is located in the lowest layer of Polair3D, and the simulation of pollutant concentrations above rooftops is performed with Polair3D. Interactions between MUNICH and Polair3D occur at roof level and depend on a vertical mass transfer coefficient that is a function of atmospheric turbulence. SinG is used to simulate the concentrations of nitrogen oxides (NOx) and ozone (O3) in a Paris suburb. Simulated concentrations are compared to NOx concentrations measured at two monitoring stations within a street canyon. SinG shows better performance than MUNICH for nitrogen dioxide (NO2) concentrations. However, both SinG and MUNICH underestimate NOx. For the case study considered, the model performance for NOx concentrations is not sensitive to using a complex chemistry model in MUNICH and the Leighton NO–NO2–O3 set of reactions is sufficient.

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Li, Haiyan, Mingxiu Wang, Wenwen Zhang, Ziyang Zhang, and Xiaoran Zhang. "Fractional Characteristics of Heavy Metals Pb, Zn, Cu, and Cd in Sewer Sediment from Areas in Central Beijing, China." Journal of Chemistry 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/9724128.

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To identify the distribution of heavy metals in sewer sediments and assess their potential harmfulness to the environment and human health, the occurrence of Pb, Zn, Cu, and Cd in the sewer sediment of six functional areas and two streets in an inner-city suburb of Beijing, China, was investigated by using a sequential extraction procedure. Results show that the concentrations of Cu, Zn, Cd, and Pb vary between 50 and 175, between 80 and 180, between 0.75 and 2.5, and between 20 and 110 mg/kg, respectively, and Fe-Mn oxide fraction is significant for all metals in sampling areas. Pollution assessment shows that 1–2% of Cu at Chegongzhuang Street and 1–3% of Zn at Fuwai Street in the exchangeable fractions are of low risk. 10–25% of Cd at six functional areas indicates medium risk. 40–60% of Pb at Fuwai Street existing in the exchangeable fractions is of high to very high risk. The sum of these metals associated with exchangeable, carbonate bound, and Fe-Mn oxide fractions is quite high; however, these three fractions represent the proportion of heavy metals that can be remobilized by changes in environmental conditions.

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Дисертації з теми ""street chemistry""

Bright, Vivien Bianca. "Street canyon atmospheric composition : coupling dynamics and chemistry." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4414/.

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A new model for the simulation of street canyon atmospheric chemical processing has been developed, by integrating an existing Large-Eddy Simulation (LES) dynamical model of canyon atmospheric motion with a detailed chemical reaction mechanism, the Reduced Chemical Scheme (RCS), comprising 51 chemical species and 136 reactions, based upon a subset of the Master Chemical Mechanism (MCM). The combined LES-RCS model is used to investigate both the effects of mixing and chemical processing upon air quality within an idealised street canyon. The effect of the combination of dynamical (segregation) and chemical effects is determined by comparing the outputs of the full LES-RCS canyon model with those obtained when representing the canyon as a zero-dimensional box model (i.e. assuming mixing is complete and instantaneous). The LES-RCS approach predicts lower (canyon-averaged) levels of NOX, OH and HO2, but higher levels of O3, compared with the box model run under identical chemical and emission conditions. Chemical processing of emissions within the canyon leads to a significant increase in the Ox flux from the canyon into the overlying boundary layer, relative to primary emissions, for the idealised case and a number of pollution scenarios considered. These results demonstrate that within-canyon atmospheric chemical processing can substantially alter the concentrations of pollutants injected into the urban canopy layer, compared with the raw emission rates within the street canyon and that such variations have a considerable effect on average within canyon concentrations and the flux of pollutants out of the canyon into the urban background environment.

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Minakova, K., Serhii Petrov, and S. Radoguz. "How "Street chemistry" and "Street physics" settled at the National Technical University "Kharkiv Polytechnic Institute"." Thesis, Copissaurio Repro – Centro Imp. Unip. Lda. Campus de Gualtar, 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/46263.

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Williams, Burnett Mia Laverne. "Exploring the Multiplex Detection Capabilities of Raman Spectroscopy on Mock Street Samples Containing Illicitly Manufactured Fentanyls." Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1580817621806717.

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Hirst, Heike. "Ecological influences on diatom assemblage responses to stream chemistry." Thesis, Cardiff University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398817.

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Moore-Maley, Benjamin Lee. "The inorganic carbonate chemistry of the southern Strait of Georgia." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/51770.

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A one-dimensional, biophysical, mixing layer model was modified to hindcast pH and aragonite saturation state (OmegaA) in the southern Strait of Georgia. The model skill in predicting spring phytoplankton bloom timing in previous studies was a key factor in its selection. Dissolved inorganic carbon (DIC) and total alkalinity (TA) were added as state variables, coupled to the existing nitrogen-based biological equations. Additional processes determined to be important to the system such as air-sea gas exchange and nutrient-limited excess carbon uptake were also implemented. pH and OmegaA could then be calculated from DIC and TA. Modeled DIC, TA, pH, and OmegaA were evaluated against data collected between 2003 and 2012. Modeled and observed quantities agreed except in some summers, with surface disagreement driven primarily by plume variability and subsurface disagreement driven primarily by model overproductivity. Model outputs demonstrated a near-surface seasonal cycle characterized by low pH and OmegaA in winter and high pH and OmegaA in summer. In order to evaluate the sensitivity of model pH and OmegaA to local forcing quantities, the model was run in one year increments over the period from 2001 through 2012. For each year, each of three forcing records (wind speed, freshwater flux, cloud fraction) was shifted across all possible years during the same period for a total of 432 experimental runs. When regressed against spring wind speed, model surface pH demonstrated a clear, negative correlation. Model spring OmegaA demonstrated a negative correlation to cloud fraction. Summer pH and OmegaA were most sensitive to freshwater flux, both showing negative correlations. Model pH and OmegaA sensitivity to freshwater TA and pH were also evaluated over the same period using a set of realisitic freshwater chemistry scenarios determined from observations in the Fraser River. Model pH and OmegaA demonstrated opposite correlations to freshwater TA with sensitivities at opposite extremes of freshwater pH. The sensitivity results identify important links between local processes and the carbonate chemistry in the southern Strait of Georgia, and perhaps provide some simple forecasting tools to be tested in the future.
Science, Faculty of
Earth, Ocean and Atmospheric Sciences, Department of
Graduate

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Hui, Cheng. "Air-Stream-Assisted Electrospinning." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1491920416271494.

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Foster, Helen Jane. "Assessment and modelling of spatio-temporal variability in upland stream chemistry." Thesis, Imperial College London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342328.

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Oluju, Philemon. "Literature Review of the impacts of riparian vegetation on stream chemistry." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-35206.

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Water quality in streams around the world continues to be degraded by a series of human activities that feed pollutants into the vulnerable stream ecosystem via surface and subsurface runoff. This continues to accelerate global biodiversity and habitat losses within the stream environments and across entire watersheds with net adverse effects on public health and the ability of communities and ecosystems to adapt or become resilient to the prevalent impacts of climate change. One commonly used approach for protecting stream water from pollution is the use of vegetated riparian buffer zones to mitigate pollutants in surface and subsurface runoff prior to runoff entry into the stream channel. The optimal success of this approach requires land and water resource managers to understand the mechanisms by which riparian buffer zones function and the full range of factors that influence the effectiveness of riparian buffer vegetation in abating stream water pollution. Despite this need, resource managers in different geographical locations around the world still struggle to understand the linkages between riparian vegetation and stream chemical quality. This literature review therefore sought to synthesize findings from various scientific articles on the ways in which the major attributes of riparian vegetation [type, age, width, restoration and shading effect] influence the effectiveness of riparian vegetation in protecting the chemical quality of water in streams. This was aimed at generating conclusions and perspectives that could improve academic knowledge and natural resource managers’ understanding of the intricate linkage between riparian vegetation and changes in water chemistry. The study finds that the factors of riparian vegetation type, age, width, restoration and shading effects require due consideration in the development of riparian buffer zone and stream water chemical quality management interventions. I find that these factors require a high degree of integration, triangulation and context-specificity to achieve the objectives of riparian management intervention. I further find that stream water quality decision-making processes need to combine riparian vegetation-based approaches with other measures for mitigating and containing the spillage of pollutants at the source.

Presentation was conducted via Skype

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Covino, Timothy Patrick. "Stream-groundwater interactions in a mountain to valley transition: impacts on watershed hydrologic response and stream water chemistry." Thesis, Montana State University, 2005. http://etd.lib.montana.edu/etd/2005/covino/CovinoT1205.pdf.

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As mountain headwater catchments increase in size to the meso-scale, they incorporate new landscape elements including mountain-valley transition zones. Mountain-valley transition zones form part of the mountain front, influence groundwater (GW)-stream interactions, and impact hydrologic response and stream water composition. Mountain front recharge (MFR) in mountain-valley transition zones and subsequent GW discharge to streams in the valley bottom are important hydrological processes. These GW-stream interactions are dynamic in both space and time, playing a key role in regulating the amount, timing, and chemistry of stream water reaching the valley bottom. I hypothesize that mountain-valley transitions function as hydrologic and biogeochemical buffers via GW recharge and subsequent GW discharge. More specifically, that streams often recharge GW near the mountain front and receive stored GW further downstream. To investigate these processes I applied physical hydrology techniques, and geochemical hydrograph separations in the Humphrey Creek watershed in southwestern Montana. This allowed me to assess the spatial and temporal variability of mountain front GW recharge and GW-stream interactions across a mountain-valley transition. Geochemical signatures were used to partition stream flow into alpine runoff and GW sources. These results indicate that much of the alpine stream water recharged GW at the mountain front and that stored GW of a different chemical composition sustained down-valley stream discharge. Down-valley stream discharge was dominated by GW inputs and responded to GW stage more closely than upstream reaches. A critical GW stage height was necessary for down-valley channel flow, as this was the only major input to channel flow during early and late season base flow. Conversely, GW contributed little to stream flow in the upper reaches of the study area. GW-stream water exchange served as a flow and geochemical buffer, resulting in significant changes in stream chemistry from the alpine, to the MFR zone, to the valley bottom and muting fluctuations in channel flow, both at high and low flow. Implications are that mountain front GW recharge magnitudes can control valley aquifer storage state which combined with alpine runoff magnitude and valley bottom GW discharge controls stream water quantity and geochemical composition downstream.

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Amaning, Kwarteng. "Streamwater and sediment chemistry of Ohio's Western Allegheny Plateau ecoregion and their relation to aquatic life." Ohio : Ohio University, 2006. http://www.ohiolink.edu/etd/view.cgi?ohiou1153757100.

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Книги з теми ""street chemistry""

Barone, Michele, and Alessandra Pellerito. Sicilian Street Foods and Chemistry. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55736-2.

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Perrine, Daniel M. The chemistry of mind-altering drugs: History, pharmacology, and cultural context. Washington, DC: American Chemical Society, 1996.

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Gahlinger, Paul M. Illegal drugs: A complete guide to their history, chemistry, use, and abuse. [Salt Lake City, Utah]: Sagebrush Press, 2001.

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Illegal drugs: A complete guide to their history, chemistry, use and abuse. New York: Plume, 2004.

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Gorman, J. Survey of PWR water chemistry. Washington, DC: Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1989.

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Gorman, J. Survey of PWR water chemistry. Washington, DC: Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1989.

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NATO Advanced Research Workshop on "Chemistry and Physics of Fracture" (1986 Bad Reichenhall, Germany). Chemistry and physics of fracture. Dordrecht: M. Nijhoff, 1987.

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Knapp, C. M. Maryland synoptic stream chemistry survey design report: Prepared by C.M. Knapp, W.P. Saunders. [Annapolis]: State of Maryland, Dept. of Natural Resources, Power Plant Research Program, 1987.

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Molecular basis of oxidative stress: Chemistry, mechanisms, and disease pathogenesis. Hoboken, New Jersey: Wiley, 2013.

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Knapp, C. M. Maryland Long-Term Stream Chemistry Monitoring Program. [Annapolis, MD]: The Department, 1988.

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Частини книг з теми ""street chemistry""

Barone, Michele, and Alessandra Pellerito. "The Street Food Culture in Europe." In Sicilian Street Foods and Chemistry, 1–19. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55736-2_1.

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Barone, Michele, and Alessandra Pellerito. "Palermo’s Street Foods. The Authentic Arancina." In Sicilian Street Foods and Chemistry, 21–41. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55736-2_2.

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Barone, Michele, and Alessandra Pellerito. "Palermo’s Street Foods. The Authentic Sfincionello." In Sicilian Street Foods and Chemistry, 43–58. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55736-2_3.

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Barone, Michele, and Alessandra Pellerito. "Palermo’s Street Foods. The Authentic Pani câ Meusa." In Sicilian Street Foods and Chemistry, 59–69. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55736-2_4.

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Barone, Michele, and Alessandra Pellerito. "Palermo’s Street Foods. The Authentic Pane e Panelle." In Sicilian Street Foods and Chemistry, 71–81. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55736-2_5.

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Bright, Vivien Bianca, William James Bloss, and Xiaoming Cai. "Street Canyon Atmospheric Composition: Coupling Dynamics and Chemistry." In Air Pollution Modeling and its Application XXI, 63–67. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1359-8_11.

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Allan, J. David. "Streamwater chemistry." In Stream Ecology, 23–43. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0729-7_2.

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Allan, J. David, Maria M. Castillo, and Krista A. Capps. "Streamwater Chemistry." In Stream Ecology, 75–100. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-61286-3_4.

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Douglas, Ian. ", Stream Flow, Stream Chemistry and Sediment Transport." In Ecological Studies, 271–84. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91544-5_16.

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Balderrama, Javier Rojas, Matthieu Simonin, and Cédric Tedeschi. "Chemistry-Inspired Adaptive Stream Processing." In Membrane Computing, 338–52. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-28475-0_23.

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Тези доповідей конференцій з теми ""street chemistry""

Puduppakkam, Karthik V., Chitralkumar V. Naik, and Ellen Meeks. "Modeling Fuel Effects in a Diesel Engine Using Multi-Component Fuel Surrogates in CFD." In ASME 2018 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icef2018-9747.

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Анотація:

A continued challenge to engine combustion simulation is predicting the impact of fuel-composition variability on performance and emissions. Diesel fuel properties, such as cetane number, aromatic content and volatility, significantly impact combustion phasing and emissions. Capturing such fuel property effects is critical to predictive engine combustion modeling. In this work, we focus on accurately modeling diesel fuel effects on combustion and emissions. Engine modeling is performed with 3D CFD using multi-component fuel models, and detailed chemical kinetics. Diesel FACE fuels (Fuels for Advanced Combustion Engines) have been considered in this study as representative of street fuel variability. The CFD modeling simulates experiments performed at Oak Ridge National Laboratory (ORNL) [1] using the diesel FACE fuels in a light-duty single-cylinder direct-injection engine. These ORNL experiments evaluated fuel effects on combustion phasing and emissions. The actual FACE fuels are used directly in engine experiments while surrogate-fuel blends that are tailored to represent the FACE fuels are used in the modeling. The 3D CFD simulations include spray dynamics and turbulent mixing. We first establish a methodology to define a model fuel that captures diesel fuel property effects. Such a model should be practically useful in terms of acceptable computational turnaround time in engine CFD simulations, even as we use sophisticated fuel surrogates and detailed chemistry. Towards these goals, multi-component fuel surrogates have been developed for several FACE fuels, where the associated kinetics mechanisms are available in a model-fuels database. A surrogate blending technique has been employed to generate the multi-component surrogates, so that they match selected FACE fuel properties such as cetane number, chemical classes such as aromatics content, T50 and T90 distillation points, lower heating value and H/C molar ratio. Starting from a well validated comprehensive gas-phase chemistry, an automated method has been used for extracting a reduced chemistry that satisfies desired accuracy and is reasonable for use in CFD. Results show the level of modeling necessary to capture fuel-property trends under these widely varying engine conditions.

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Lane, Michael W., Abigail Roush, Stephen E. Callahan, Paul S. Ho, Ehrenfried Zschech, and Shinichi Ogawa. "Repair of Dielectric Interfaces with Chemistry Specific Coupling Agents." In STRESS-INDUCED PHENOMENA IN METALLIZATION: Tenth International Workshop on Stress-Induced Phenomena in Metallization. AIP, 2009. http://dx.doi.org/10.1063/1.3169269.

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O'Donnell, Emily, Kristina G. Hopkins, Daniel Bain, Claire Welty, and Joel Moore. "IMPACTS OF URBANIZATION ON STREAM WATER CHEMISTRY ACROSS LATITUDES." In Northeastern Section - 57th Annual Meeting - 2022. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022ne-375214.

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Nurhidayati, Tutik, Wanda Y. Safitri, Hery Purnobasuki, and Sucipto Hariyanto. "Response of tobacco (Nicotiana tabacum L.) under waterlogging stress based on agronomic characters." In 4TH INTERNATIONAL SEMINAR ON CHEMISTRY. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0051852.

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Wolynes, Peter G. "Aperioidic crystals: Biology, Chemistry and Physics in a fugue with stretto." In AIP Conference Proceedings Volume 180. AIP, 1988. http://dx.doi.org/10.1063/1.37862.

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Allred, Jacob. "BEDROCK LITHOLOGY OF SEDIMENTARY FORMATIONS AND THEIR IMPACT ON STREAM CHEMISTRY." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-337441.

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Grady, Brian, Shuqing Wu, and Gary P. Funkhouser. "A Novel Fluid to Improve the Hydraulic Cracking Stress of Rock." In SPE International Symposium on Oilfield Chemistry. Society of Petroleum Engineers, 2011. http://dx.doi.org/10.2118/140959-ms.

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Kim, Jong Heon, Christina Tam, Kathleen Chan, Noreen Mahoney, Luisa Cheng, Mendel Friedman, and Kirkwood Land. "Redox-active antifungals that target stress defense system in fungi." In 6th International Electronic Conference on Medicinal Chemistry. Basel, Switzerland: MDPI, 2020. http://dx.doi.org/10.3390/ecmc2020-07388.

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"Facility opportunities and associated stream chemistry considerations for hypersonic air-breathing propulsion." In 17th Aerospace Ground Testing Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-3991.

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Hayashi, Masaki, Tobias Vogt, Mario Schirmer, and Lars Mächler. "DIURNAL FLUCTUATIONS OF STREAM WATER CHEMISTRY CONTROLLED BY PHOTOSYNTHESIS AND GROUNDWATER EXCHANGE." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-306563.

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Звіти організацій з теми ""street chemistry""

Musselman, Robert. Sampling procedure for lake or stream surface water chemistry. Ft. Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2012. http://dx.doi.org/10.2737/rmrs-rn-49.

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Wiersma, B., and R. Fuentes. CHEMISTRY ENVELOPE FOR PITTING AND STRESS CORROSION CRACKING MITIGATION. Office of Scientific and Technical Information (OSTI), September 2019. http://dx.doi.org/10.2172/1568783.

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Dyke, L. Regional groundwater and stream chemistry survey, Oak Ridges Moraine, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1999. http://dx.doi.org/10.4095/210858.

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Martin, C. Wayne, Robert S. Pierce, Gene E. Likens, F. Herbert Bormann, and F. Herbert Bormann. Clearcutting affects stream chemistry in the White Mountains of New Hampshire. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experimental Station, 1986. http://dx.doi.org/10.2737/ne-rp-579.

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Wooten, Alexander C., James Preer, and Pamela J. Edwards. Geologic and tributary influences on the chemistry of a headwater stream. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Research Station, 1999. http://dx.doi.org/10.2737/ne-rp-708.

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Tiedemann, A. R., D. A. Higgins, T. M. Quigley, and H. R. Sanderson. Stream chemistry responses to four range management strategies in eastern Oregon. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1989. http://dx.doi.org/10.2737/pnw-rp-413.

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Derek Elsworth, Abraham S. Grader, Chris Marone, Phillip Halleck, Peter Rose, Igor Faoro, Joshua Taron, André Niemeijer, and Hideaki Yasuhara. Stress- and Chemistry-Mediated Permeability Enhancement/Degradation in Stimulated Critically-Stressed Fractures. Office of Scientific and Technical Information (OSTI), March 2009. http://dx.doi.org/10.2172/950509.

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Chopra, O. K., W. K. Soppet, and W. J. Shack. Effects of alloy chemistry, cold work, and water chemistry on corrosion fatigue and stress corrosion cracking of nickel alloys and welds. Office of Scientific and Technical Information (OSTI), April 2001. http://dx.doi.org/10.2172/925005.

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Pantano, Carlo G. Surface Chemistry and Structural Effects in the Stress Corrosion of Glass and Ceramic Materials. Fort Belvoir, VA: Defense Technical Information Center, September 1988. http://dx.doi.org/10.21236/ada202452.

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