Dissertations / Theses on the topic 'Co-use'
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Kimball, B. A., J. R. Mauney, and F. S. Nakayama. "Effect of CO₂ on Cotton Yile and Water Use." College of Agriculture, University of Arizona (Tucson, AZ), 1986. http://hdl.handle.net/10150/219709.
Full textSeed cotton yields were increased an average 80% by a near doubling of the carbon dioxide concentration (approximately 650 ppm) in 3 years of experiments using CO₂-enriched, open-top chambers on field-grown cotton. Water use was not changed much or in a consistent direction, so water use efficiency increased in step with the dramatic yield increase.
Caiazzo, Fabio. "Non-CO₂ environmental impacts of transportation fuel use and production." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/101491.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 154-165).
Transportation represents one of the largest contributors to anthropogenic air pollution and global climate change. This thesis aims to quantify three specific environmental impacts from transportation fuel combustion and production: 1) Health impacts from transportation combustion emissions in the United States. A multiscale air quality model is applied to assess health impacts from PM 2.5 and ozone concentrations attributable to different transportation modes and other sectors in the U.S. Road transportation is found to be the largest contributor for both pollutant-related mortalities, causing overall 58,000 (90% Cl: 22,800 107,100) early deaths per year. Shipping accounts for 8,800 (90% Cl: 3,700 - 16,100) premature mortalities per year, and rail transportation for 5,000 (90% Cl: 1,900 - 9,300) early deaths. Aviation emissions are responsible for 2,500 (90% Cl: 1,400 - 3,700) early deaths per year in the U.S. 2) Climate effects of albedo changes due to biofuel production. An augmented lifecycle framework is developed to quantify the effects of albedo variations induced by biomass cultivation, and applied to eleven land-use change (LUC) scenarios. Two scenarios are found to have a warming effect, the largest of which is for replacement of desert land with salicornia cultivation. This corresponds to 222 gCO₂e/MJ, equivalent to 3890% and 247% of the lifecycle greenhouse gas (GHG) emissions of fuels derived from salicornia and crude oil, respectively. Nine LUC scenarios exhibit a cooling effect, the largest of which is for the replacement of tropical rainforest with soybean cultivation. This corresponds to -161 gCO₂e/MJ, or -28% and -178% of the lifecycle GHG emissions of fuels derived from soybean and crude oil. 3) Climate impacts from changes in radiative forcing (RF) generated by contrails and contrail cirrus in the scenario of a widespread use of alternative jet fuels in the U.S. The Contrail Evolution and Radiation Model (CERM) is developed to simulate contrail and contrail cirrus cover, properties and radiative forcing over the United States. The results show that the use of alternative jet fuels in the U.S. generates 8% more contrails with respect to conventional jet fuels, due to the enhanced engine water vapor emissions. Contrails from alternative fuels are optically thinner (-35% in optical depth), and formed by larger and fewer ice crystals (+58% in diameter and -73% in number concentration), due to the lower emissions. These differences are responsible for a lower albedo (-36%) from contrails forming as a consequence of alternative fuels emissions. The cooling impact of having optically thinner contrails and is contrasted by the warming effects of having contrails less reflective of the incoming sunlight and in larger number, thus determining a small difference (+0.6%) in the net RF by contrails and contrail cirrus in case of alternative fuels use with respect to conventional jet use. CERM simulations are also performed to quantify for the first time impacts on contrails and contrail cirrus radiative impacts of both combustor technology and ambient conditions, in terms of available concentrations ice nuclei (IN). The results of this thesis offer new insights into the environmental impacts of transportation. The air quality and climate impacts of this sector can be potentially reduced by fostering the use of alternative fuels, but only when previously overlooked effects (such as changes in surface albedo for biofuel production, or ambient concentrations of ice nuclei affecting contrail properties) are taken into account.
by Fabio Caiazzo.
Ph. D.
Pacciani, Roberta. "The use of Ca-based solid sorbents for capturing CO₂." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611454.
Full textEllison, Lisa. "Treatment of Co-Morbid Chronic Pain and Substance Use Disorders." Cleveland State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=csu1313617346.
Full textMearhart, Jozella Selina Sophia. "Ethnicity, psychosis and co-morbid substance use disorders in the U.K." Thesis, King's College London (University of London), 2014. https://kclpure.kcl.ac.uk/portal/en/theses/ethnicity-psychosis-and-comorbid-substance-use-disorders-in-the-uk(f795d90b-e1b3-4a2b-bbbc-acb30d88cf14).html.
Full textOliveira, Marcos César de. "Exploring the use of co-change clusters in software comprehension tasks." reponame:Repositório Institucional da UnB, 2015. http://dx.doi.org/10.26512/2015.09.D.22533.
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O desenvolvimento de software orientado a características (FOSD) é um paradigma que pode ser usado, entre outros, para estruturar um sistema de software em torno de características que podem representar pequenas funcionalidades do software bem como requisitos não funcionais. Além do seu papel na estruturação do software, o uso de FOSD habilita a ativação e desativação de features individuais em uma dada configuração de software. Essa vantagem pode ser útil em cenários onde a variabilidade do software é necessária. Por outro lado, a adoção da abordagem FOSD pode ser feita em um sistema de software existente, torna-se necessária a aplicação de alguma técnica de engenharia reversa para extração de features de uma base de código legada, bem como o mapeamento dessas features para suas implementações. Essa dissertação apresenta uma nova abordagem para auxiliar nessa atividade de engenharia reversa, a qual relaciona dados históricos extraídos de sistemas de controle de tarefas de desenvolvimento e de mudanças em código-fonte. A abordagem se baseia em técnicas de Mineração de Repositórios de Software (MSR), especificamente o agrupamento baseado em dependências evolucionárias entre elementos do código-fonte, que leva ao descobrimento de grupos de co-mudança. Assim, o objetivo deste trabalho é descobrir as propriedades dos grupos de co-mudança que podem ser úteis no processo de extração de features. Especificamente, um conjunto de termos, associados com os grupos, que revelam conceitos que podem ajudar a identificar features. De acordo com os resultados obtidos, os grupos de co-mudança não possuem vantagem quando usa- dos como unidades de modularização, mas podem revelar novas dependências que são ocultas ao desenvolvedor. Também mostram que os grupos de co-mudança possuem coesão conceitual, e que podem ser usados para extrair conceitos e termos associados com eles. Por fim, os conceitos extraídos dos grupos de co-mudança podem ser usados para construir um mapeamento entre eles e o código-fonte, e que podem ser usados como uma lista de sementes de entrada para métodos de expansão de features.
Feature-oriented software development (FOSD) is a paradigm that can be used, among others, to structure a software system around the feature concept that can represents small functionalities and non-functional requirements. Besides their role in software structure, FOSD enables the activation and deactivation of individual features in a given configuration of the software. This advantage can be useful in scenarios where the variability of the software is required. On the other hand, the adoption of FOSD can be done for an existing software system, thus, becomes necessary to apply some reverse engineering technique to extract features from a legacy code base, and also the mapping between these features and their implementations. This dissertation presents a new approach to aid in the reverse engineering activity, that relates historical data from issue tracking systems and source-code changes. The approach relies upon Mining Software Repositories (MSR) techniques, specifically the clustering based on co-evolutionary dependencies between source-code elements, which leads to the discover of co-change clusters. Thus, the goal of this work is to discover the properties of the co-change clusters that can be useful in a feature extraction process. Specifically, a set of terms, associated with the clusters, which reveal concepts that can help to identify features. According to the study results, co-change clusters have no advantage when used as a modular unit, but can reveal new dependencies that is hidden to the developer. They also show that the co-change clusters have conceptual cohesion, and can be used to extract concepts and the terms associated with them. In the end, the concepts extracted from co-change clusters can be used to build a mapping from them and the source-code, and that can be used as a input seed list to feature expansion methods.
Tulus, Frank. "An investigation of factors affecting information systems use among the Philippine co-operatives." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq24514.pdf.
Full textFiedler, Frank. "Combined solar and pellet heating systems : Study of energy use and CO-emissions." Doctoral thesis, Västerås : Department of Public Technology, Mälardalen University, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-167.
Full textEller, James D. "Correlation of electronic health records use and reduced prevalence of diabetes co-morbidities." Thesis, University of Phoenix, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3570767.
Full textThe general problem is Native American tribes have high prevalence rates of diabetes. The specific problem is the failure of IHS sites to adopt EHR may cause health care providers to miss critical opportunities to improve screening and triage processes that result in quality improvement. The purpose of the quantitative correlational study was to explore a possible correlation between electronic health record use and reductions in diabetes co-morbidities. The study involved examining over 10 years of ex post facto data, with over one million patient encounters, from the Resource and Patient Management System database. Electronic health records containing key components such as clinical decision support with clinical reminders, evidence-based guidelines, template-driven protocols, and algorithmic modeling changes clinical provider behavior resulting in quality improvement. The study identifies the theoretical constructs from over 50 years of literature that converge to support quality improvement using electronic health records. Quality improvement theory and the unified theory of acceptance and use of technology were examined to explore relationships between process changes and behavioral modification. Results revealed a significant positive correlation between total blood pressure control screenings and the diagnosis of hypertension for fiscal years 2005 – 2009 r(4) = .947, p = .007. A significant positive correlation also existed between blood pressure control screenings with values >130/80 and diagnosis of hypertension for fiscal years 2005 – 2009 r(4) = .909, p = .016. The study concludes with a rejection of the posited null hypotheses, revealing a statistically significant correlation between use of a comprehensive electronic health record and health care quality improvement.
Mitchell, Hannah G., Rachelle H. Kromash, and Meredith K. Ginley. "Moderating Factors of Co-occurring GD/IGD and ENDS Use among College Students." Digital Commons @ East Tennessee State University, 2021. https://dc.etsu.edu/etsu-works/8889.
Full textHuber, Michaela Elizabeth. "Transition Services for Parolees with Co-Occurring Substance Use and Mental Health Disorders." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/6183.
Full textPuff, David. "The use of mass spectrometry for the characterization of molecules co-purifying with integrins." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0018/MQ53211.pdf.
Full textHautamäki, M. (Minna). "Co-creating value-in-use for public healthcare customer through modularity of logistics services." Master's thesis, University of Oulu, 2015. http://urn.fi/URN:NBN:fi:oulu-201505211571.
Full textTerveydenhuoltoalalla hankittavien ratkaisujen tehokkuus on keskeinen tekijä. Siitä huolimatta nykyiset sairaalan ydinprosesseja tukevat palvelut, kuten logistiikka, tuotetaan pääosin sisäisesti. Viimeisimmät tutkimukset osoittavat, että sisäisesti tuotetut palvelut eivät useinkaan ole ulkoiselta tarjoajalta hankittuja palveluja tehokkaampia. Tämä on johtanut ei-keskeisten palvelujen ulkoistamiseen ja mahdollistanut ulkopuolisten palveluntarjoajien levittäytymisen terveydenhuoltomarkkinoille. Tässä tutkielmassa erään logistisen palveluntuottajan liiketoimintamahdollisuuksia tarkastellaan julkisen terveydenhuollon kontekstissa. Lisäksi tutkimuksessa painotetaan modulaarisen palveluarkkitehtuurin roolia arvonluonnin mahdollistajana. Tutkielmassa korostetaan operationaalisen tason asiakkaan, eli hoitohenkilökunnan ymmärrystä logistiikan luomasta arvosta sen omissa arvonluontiprosesseissa. Arvonluontiprosessien tutkiminen mahdollistaa uusien liiketoimintamahdollisuuksien kartoittamisen. Tämän tutkielman tarkoituksena on löytää uusia liiketoimintamahdollisuuksia logistiselle palveluntarjoajalle, jonka tavoitteena on lisätä markkinaosuuttaan julkisen terveydenhuollon sektorilla. Tutkimustavoitteen saavuttamiseksi tutkija selvittää, millaisia logistisia haasteita tutkimuskohteena olevalla yliopistosairaalan keskusleikkausosastolla on tällä hetkellä ja miten ne vaikuttavat operationaalisen tason toimijoiden arvonluontiprosesseihin. Tutkimus pyrkii käytännön ongelman ratkaisemisen lisäksi tuomaan uutta tietoa arvon yhteisluonnin ja modulaarisuuden tieteellisiin keskusteluihin logistiikan ja terveydenhuollon kontekstissa. Tämä tutkimus on luonteeltaan kvalitatiivinen. Tutkimuskohdetta lähestytään kolmella eri tavalla puolistrukturoitujen haastattelujen, havainnointien ja ryhmäkeskustelun avulla. Vaikka tutkimuksessa painotetaan hoitohenkilökunnan näkemyksiä, haastatteluja tehtiin sekä strategisella että operationaalisella tasolla sekä palveluntarjoaja- että asiakasorganisaatioissa. Ryhmäkeskustelun avulla simuloitiin asiakkaan ja palveluntarjoajan välistä arvon yhteisluontiprosessia. Tutkimuksen tulokset tukevat olemassa olevaa modulaarisuuskirjallisuutta vahvistaen näkemystä, jonka mukaan modulaarinen palvelusuunnittelu toimii erityisen hyvin ympäristöissä, joissa ilmenee heterogeenisiä tarpeita. Esimerkiksi terveydenhuollon alalla sairaaloissa sisäisten asiakkaiden tarpeet voivat erota toisistaan. Lisäksi nykyisessä modulaarisuutta käsittelevässä kirjallisuudessa painotetaan modulaarisuuden rahallisia hyötyjä, kuten tehokkuutta ja kustannussäästöjä. Tämä tutkimus kuitenkin osoittaa, että modulaariset palvelut luovat asiakkaille myös ei-rahallisia hyötyjä parantamalla hoitohenkilökunnan työhyvinvointia ja luottamusta. Käytännön harjoittajat voivat soveltaa tämän tutkimuksen tuloksia etsiessään uusia liiketoimintamahdollisuuksia yhdessä nykyisten tai potentiaalisten asiakkaitten kanssa. Lisäksi tulokset osoittavat, että yritykset, jotka haluavat lisätä näkyvyyttään terveydenhuollon alalla, jolla asiakkaitten tarpeet ovat usein heterogeenisiä, voivat pitää modulaarisuutta yhtenä palvelusuunnitteluvaihtoehtona. Tutkimuksen kvalitatiivisen luonteen ja aineiston suppeuden vuoksi sen tulokset eivät ole yleistettävissä
Zhu, Xiangwei. "Unfolding, crosslinking and co-polymerization of Camelina protein and its use as wood adhesives." Diss., Kansas State University, 2017. http://hdl.handle.net/2097/35420.
Full textDepartment of Grain Science and Industry
X. Susan Sun
Oilseed protein is a promising renewable source to be used as the replacement of petroleum-based materials for adhesion purpose, and it has drawn increasing attention since soy-based adhesives were developed for wood glues. However, soy protein comprises a portion of humans’ diets, thereby creating competition between utilization of soy protein for protein-based products or human food. Therefore, alternative bio-resources must be discovered. Proteins from camelina sativa provide such potential. Similar to other protein-based polymers, low mechanical strength and poor water resistance are the major drawbacks limiting camelina protein’s further applications. In this research, camelina protein (CP) was modified by unfolding, crosslinking, and co-polymerization treatment for improved flow-ability, adhesion properties and water resistance, which facilitates the industrialization of camelina as an alternative to soy-based adhesives. The physicochemical properties and microstructures of CP were also investigated. To increase the reactivity of CP adhesive, the first step is to denature the folded structure of native proteins. Camelina protein was extracted from defatted camelina meal through alkali solubilization and acid precipitation and modified with varying amount of NaHSO₃ (0-12% of the protein dry base) and Gdm.Cl (0-250% of the protein dry base). NaHSO₃ treatment broke the disulfide bonds of the CP and thus increased its free sulfhydryl content and surface hydrophobicity. As NaHSO₃ concentration increased, the viscosity, elastic modulus (G') and water resistant of NaHSO₃-modified camelina protein (SMCP) dispersion decreased, and the protein became hydrophobic. Gdm.Cl treatment broke the CPI’s hydrogen bonds but decreased their surface hydrophobicity. Similarly, viscosity, G', and water resistant of Gdm.Cl-modified camelina protein (GMCP) dispersions decreased as Gdm.Cl increased and protein became to aggregate. The reducing effect of NaHSO₃ was more obvious than Gdm.Cl to disrupt CPI’s intermolecular protein interaction but less obvious than Gdm.Cl to reduce the viscosity and water resistant. To further increase the CP’s water resistance, a coupling agent, Ethyl-3-(3-dimethyl-aminopropyl-1-carbodiimide) (EDC), was applied to stabilize the protein structure by crosslinking the free carboxyl groups and amino groups. The cross-linked CP exhibited increased molecular weight and particle size. Microstructures of modified CP also became rigid and condensed. Accordingly, CP’s increased intermolecular protein interaction resulted in its higher elastic modulus, viscosity and water resistance. The ultrasound pretreatment further increased the crosslink degree of CP, which resulted in protein’s increased aggregation behaviors and compact micro-structures. Consequently, the elastic modulus, viscosity, and water resistance of CP increased accordingly. Copolymerization with hydrophobic enhancers was also an effective method to improve CP’s water resistance. In this study, kraft lignin was oxidized by H₂O₂ and then copolymerized with CP as wood adhesives, which exhibited increased wet strength. In the presence of ultrasound irradiation, the H₂O₂-depolymerized kraft lignin exhibited reduced particle size, thermal stability and increased content of hydroxyl groups. Fluorescence spectroscopy analysis revealed that after coupling with pristine or de-polymerized lignin, CP exhibited increased hydrophobicity due to lignin’s increased reactivity with camelina protein. Accordingly, the water resistance of CP-based adhesives improved. In the optimized condition, when CP was copolymerized with ultrasound-induced oxidized lignin, it had increased wet shear adhesion strength from 0.28 MPa to 1.43 MPa, with wood panels passing the three-cycle water soaking test.
Smith, Jessica Rose. "Developing P(MMA-co-NVP) hydrogels for use in self-inflating, anisotropic tissue expanders." Thesis, University of Oxford, 2015. http://ora.ox.ac.uk/objects/uuid:dc1b83e1-c74a-4f28-b4a8-c7da671e3541.
Full textGuerra, ?rick St?fano Silveira. "Study of the addition of poly(ethylene-co-methyl acrylate-co-glycidyl methacrylate) thermoplastic to epoxy resin for use in self-healing composites." PROGRAMA DE P?S-GRADUA??O EM CI?NCIA E ENGENHARIA DE MATERIAIS, 2017. https://repositorio.ufrn.br/jspui/handle/123456789/23776.
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Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES)
O reparo de estruturas comp?sitas danificadas a fim de recuperar condi??es iniciais e atender requisitos regulat?rios pode ser um grande desafio. Assim, materiais capazes de se auto-reparar quando danificados s?o de grande interesse. Em uma das abordagens de auto-reparo estudada na literatura, um material termopl?stico ? adicionado ? matriz termofixa e o material danificado ? capaz de parcialmente recuperar suas propriedades mec?nicas depois de um ciclo de reparo. Essa t?cnica usa calor para reestabelecer parcialmente as propriedades mec?nicas do material comp?sito. No presente estudo, a modifica??o de resina ep?xi com a adi??o de poli(etileno-co-metil acrilato-co-glicidil metacrilato) (E-MA-GMA) foi avaliada. A influ?ncia do tipo de endurecedor (anidrido e amina) empregado nas propriedades do material tamb?m foi investigada. An?lises din?mico-mec?nicas (DMA) foram realizadas para averiguar mudan?as nas propriedades viscoel?sticas devido a adi??o do termopl?stico. Mudan?as qu?micas nas misturas termopl?stico-ep?xi foram avaliadas por espectroscopia de infravermelho por transformada de Fourier (FTIR). Microscopia de for?a at?mica (AFM) foi empregada para examinar o papel da adi??o de termopl?stico na estrutura da rede do ep?xi. A habilidade de reparo foi avaliada comparando ?reas danificadas por uma indenta??o padr?o na superf?cie das amostras antes e depois do ciclo de reparo para amostras com e sem a adi??o de E-MA-GMA. Os resultados sugerem a presen?a de uma segunda fase de E-MA-GMA ap?s a cura, um aumento na temperatura de transi??o v?trea (Tg) para todas as misturas com termopl?stico quando comparadas ? ep?xi pura, a presen?a de uma ?nica Tg para misturas EMA- GMA-ep?xi curadas com anidrido e mudan?as qu?micas e estruturais na rede ep?xi devido ? adi??o de E-MA-GMA. Al?m disso, o desaparecimento de danos causados por indenta??es em ?reas do material modificado com o termopl?stico depois do ciclo de aquecimento confirmam o potencial no uso de E-MA-GMA como agente de reparo.
Repair of damaged composite structural elements to restore pristine conditions and meet regulatory requirements can be a great challenge. Thus, materials capable of self-healing when damaged are of great interest. In one of the self-healing approaches studied in the literature, thermoplastic is added to a thermosetting matrix and the damaged material partially recovers its mechanical properties after a healing cycle. This technique employs heat to trigger the healing process and partially reestablish the mechanical properties of the composite material. In the present study, poly(ethylene-co-methyl acrylate-co-glycidyl methacrylate) (E-MA-GMA) thermoplastic was added to epoxy matrix and evaluated as a self-healing agent. The influence of the type of hardener employed (anhydride or amine) on the properties of the material was also investigated. Dynamic mechanical thermal analysis (DMTA) was performed to evaluate changes in viscoelastic properties due to the addition of thermoplastic. Fourier transform infrared (FTIR) spectroscopy was used to evaluate chemical alterations in thermoplastic-epoxy systems. Atomic force microscopy (AFM) was employed to examine the role of thermoplastic addition on epoxy network structure. Healing ability was assessed by comparison of areas damaged by indentations on the surface of samples before and after a healing cycle for materials with and without E-MA-GMA addition. Results suggest the presence of a E-MA-GMA second phase after curing, an increase in glass transition temperature (Tg) for all thermoplastic blended samples as compared to neat epoxy, the presence of one single Tg for epoxy anhydride hardened E-MA-GMA mixtures and chemical and structural alterations on the epoxy network due to addition of E-MA-GMA. Further, the elimination of visible damage areas of the material modified with thermoplastic after a heating cycle supports the potential use of E-MA-GMA as healing agent.
Suopajärvi, H. (Hannu). "Bioreducer use in blast furnace ironmaking in Finland:techno-economic assessment and CO₂ emission reduction potential." Doctoral thesis, Oulun yliopisto, 2015. http://urn.fi/urn:isbn:9789526207063.
Full textTiivistelmä Suurin osa maailmassa tuotetusta teräksestä valmistetaan integroidulla masuuni-konvertteri reitillä, joka perustuu neitseellisten raaka-aineiden käyttöön. Masuuniprosessissa käytetään suuri määrä fossiilisia, lähinnä hiilipohjaisia pelkistimiä, jotka aiheuttavat hiilidioksidipäästöjä ilmakehään. Fossiilisia hiilidioksidipäästöjä voidaan teräksenvalmistuksessa vähentää uusilla teknologioilla tai siirtymällä uusiutumattomista energialähteistä uusiutuviin. Biomassasta valmistetut pelkistimet voisivat olla yksi mahdollinen keino alentaa masuunipohjaisen teräksenvalmistuksen ominaispäästöjä. Tämän työn tavoitteena oli tarkastella biopelkistimien käytön teknistaloudellista potentiaalia masuunikäytössä ja aikaansaatavia hiilidioksidipäästövähenemiä eri systeemirajauksilla. Työssä keskityttiin tarkastelemaan biopelkistimien hyödynnettävyyttä lähinnä Suomen tasolla, vaikka käytetyt tutkimusmetodit ovat sovellettavissa myös laajemmin. Työssä arvioitiin biopelkistimien metallurgisia ominaisuuksia, niiden vaikutusta masuuniprosessiin ja laajemmin muihin terästehtaan prosesseihin, pääpainon ollessa saavutettavan CO₂ päästövähenemän tarkastelussa. Työssä tarkasteltiin biopelkistimien valmistuksen CO₂ päästöjä, energiankulutusta ja tuotantokustannuksia sekä energiapuun saatavuutta biopelkistimien tuotantoon. Tulokset osoittavat, että biomassasta voidaan valmistaa kiinteitä, nestemäisiä ja kaasumaisia pelkistimiä termokemiallisilla konversioteknologioilla, joiden soveltuvuus masuunikäyttöön vaihtelee suuresti. Masuuniprosessissa suurin fossiilisten pelkistimien korvaavuus saavutetaan käyttämällä puuhiili-injektiota. Torrefioidun puun, puuhiilen ja Bio-SNG:n hiilijalanjälki on varsin maltillinen verrattuna fossiilisiin pelkistimiin ja niiden tuotanto on energeettisesti järkevää. Biopelkistimien taloudellinen kannattavuus verrattuna fossiilisiin pelkistimiin on tällä hetkellä heikko, mutta kilpailukykyinen verrattuna muihin CO₂ päästöjen vähennyskeinoihin, kuten hiilidioksidin talteenottoon ja -varastointiin. Energiapuun saatavuus biopelkistimien valmistukseen on suurin alueilla, jotka sijaitsevat lähellä Suomen terästehtaita. Biopelkistimien tuotannon kannattavuutta voitaisiin parantaa tuottamalla useita tuotteita ja hyödyntämällä prosessi-integraatiota
Zorland, Jennifer L. "Assessing Problem Gambling and Co-Occurring Substance Use and Criminal Activity among Drug Court Clients." Digital Archive @ GSU, 2009. http://digitalarchive.gsu.edu/psych_diss/62.
Full textZorland, Jennifer Lee. "Assessing Problem Gambling and Co-Occurring Substance Use and Criminal Activity among Drug Court Clients." Digital Archive @ GSU, 2009. http://digitalarchive.gsu.edu/psych_diss/67.
Full textLövenhag, Sara. "Substance Use in Swedish Adolescents : The Importance of Co-occurring Psychiatric Symptoms and Psychosocial Risk." Doctoral thesis, Uppsala universitet, Institutionen för neurovetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-251558.
Full textAvgoustakis, Konstantine. "Synthesis and evaluation of some poly(lactide-co-glycolides) for use in sustained release tablets." Thesis, King's College London (University of London), 1992. https://kclpure.kcl.ac.uk/portal/en/theses/synthesis-and-evaluation-of-some-polylactidecoglycolides-for-use-in-sustained-release-tablets(8b664ccc-71de-4a1c-8995-7b7f9c72e905).html.
Full textNunes, de Abreu Paulo M. C. "Fostering computer support to co-operative work : contributions from the use of soft systems methodology." Thesis, Lancaster University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369495.
Full textSyed, Mohamed Ahmed. "Use of evidence and knowledge translation approaches facilitating co-creation of evidence in public health." Thesis, University of Warwick, 2017. http://wrap.warwick.ac.uk/98559/.
Full textHarleston, Dionne M. "Brief psychological interventions for in-patients with co-existing mental health and substance use disorders." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/4800/.
Full textNcube, Sinini P. "The use of social media on mobile devices to support the co-reading of eTextbooks." Doctoral thesis, Faculty of Science, 2019. https://hdl.handle.net/11427/31756.
Full textLeader, John William. "Potential use of by-product co-treatments with constructed wetlands for removing phosphorus from wastewater." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0011608.
Full textVogler, Sabine, August Österle, and Susanne Mayer. "Inequalities in medicine use in Central Eastern Europe: an empirical investigation of socioeconomic determinants in eight countries." BioMed Central Ltd, 2015. http://dx.doi.org/10.1186/s12939-015-0261-0.
Full textMartin-Benito, Dario, Kevin Anchukaitis, Michael Evans, Río Miren del, Hans Beeckman, and Isabel Cañellas. "Effects of Drought on Xylem Anatomy and Water-Use Efficiency of Two Co-Occurring Pine Species." MDPI AG, 2017. http://hdl.handle.net/10150/625999.
Full textZhang, Suogui. "The development of computer-aided inspection planning system for use with a co-ordinate measuring machine." Thesis, London South Bank University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324879.
Full textWohlert, Beverly Ann. "Self-Care Practices of Female Peer Support Specialists with Co-Occurring Mood and Substance Use Disorders." Diss., The University of Arizona, 2014. http://hdl.handle.net/10150/317803.
Full textMaggio, Sarah Elizabeth. "DEVELOPMENT OF A TRANSLATIONAL MODEL OF CO-USE OF ALCOHOL AND NICOTINE FOR TESTING POTENTIAL PHARMACOTHERAPIES." UKnowledge, 2019. https://uknowledge.uky.edu/psychology_etds/167.
Full textBircanin, Filip. "Co-designing with adults with moderate to severe intellectual disabilities to enable active communication technology use." Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/233760/1/Filip_Bircanin_Thesis.pdf.
Full textGraven, Heather Dawn. "Advancing the use of radiocarbon in studies of global and regional carbon cycling with high precision measurements of ¹⁴C in CO₂ from the Scripps CO₂ Program." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2008. http://wwwlib.umi.com/cr/ucsd/fullcit?p3297574.
Full textTitle from first page of PDF file (viewed April 28, 2008). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 243-256).
Loades, Sophie T. "The impact of value co-creation: A service employee perspective." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/119153/1/Sophie_Loades_Thesis.pdf.
Full textHuertas, Miguelanez Maria De Las Mercedes. "A reflexive analysis of participants' engagement in the co-design of digital resources." Doctoral thesis, Università degli studi di Trento, 2019. http://hdl.handle.net/11572/243452.
Full textSabri, Bushra. "Victimization and co-occurring disorders among adolescents." Diss., University of Iowa, 2011. https://ir.uiowa.edu/etd/1070.
Full textShoff, Rebecca. "Parental Factors as a Moderator of the Co-occurrence of Substance use and Depression in Hispanic Adolescents." Diss., CLICK HERE for online access, 2010. http://contentdm.lib.byu.edu/ETD/image/etd3428.pdf.
Full textTaylor, Emily. "Use of Corn Co-Products in Beef Cow Diets and Its Effects on Cow and Offspring Performance." Thesis, Purdue University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10607515.
Full textThe effect of feeding corn by-products on cow reproductive performance, as well as offspring growth and reproductive performance has been investigated through four separate studies. The first study was conducted to evaluate the use of dried distiller’s grains with solubles (DDGS) in beef cow diets during early lactation on both dam and heifer offspring growth and reproductive performance. Three diets, consisting of 0, 2.5 or 4.7 kg/d DM of DDGS were formulated to be isocaloric but the DDGS diets exceeded protein requirements. Milk production was not different, however, milk components increased with the addition of DDGS. Resumption of cyclicity of dams, as well as days of age at puberty in heifer offspring were not different. However, while not statistically different, time-artificial insemination (TAI) rates of both cow and heifer offspring were numerically improved with the addition of DDGS in the diet. Plasma urea nitrogen (PUN) concentrations in the cows followed the trend of being higher with increasing levels of DDGS. While PUN concentrations did reach levels that are considered detrimental to fertility, they did not seem to have a negative impact on conception.
In the second study, the use of corn gluten feed (CGF) in dam diets and its effects on their reproductive performance was investigated. Three diets, consisting of 0, 3.3 or 6.7 kg/d DM of CGF were formulated to be isocaloric but the CGF diets exceeded protein requirements. Milk production and milk components were not different with the exception of fat, which tended to be greater in the high CGF treatment. Resumption of cyclicity and TAI conception rates were not improved when CGF was added to the diet. Plasma urea nitrogen concentrations did not approached what would have been considered detrimental to fertility.
The third study was conducted to evaluate feeding DDGS during the second trimester or the second and third trimester (3.0 or 3.5 kg/d DDGS, respectively), on heifer offspring reproductive performance. Growth performance of heifer offspring did not differ among treatments. There were no differences in TAI conception rates in heifer offspring from dams fed DDGS but, dominant follicles tended to be larger in heifer offspring from dams fed DDGS during the second trimester. Due to the lack of improvement in reproductive performance in this study, it has been hypothesized that lactation may be a more critical time point for improvements in heifer offspring reproductive performance.
The fourth study followed the hypothesis of the third study. Because heifer offspring reproductive performance was positively impacted when dams were fed DDGS during early lactation, evaluation of dams fed DDGS during early lactation on bull offspring performance was investigated. Bull offspring growth performance was not impacted by dam diets during early lactation. Scrotal circumference, testosterone concentrations and semen analysis were used to evaluate days of age at puberty, however, puberty attainment in bull offspring was also not impacted. In summary, feeding DDGS as a primary source of dietary energy during early lactation had a positive impact on both cow and heifer offspring reproductive performance, but this does not seem to be true for bull offspring.
Sheedy, Claudia. "Use of immunoaffinity chromatography to remove co-contaminants from soil extracts prior to residue analysis by immunoassay." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0035/MQ47362.pdf.
Full textEvans, Brandon. "An integrated program for homeless adults with co-occurring mental and subtance use disorders| A grant proposal." Thesis, California State University, Long Beach, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1523350.
Full textGiven the prevalence of homeless adults who experience a variety of co-occurring mental and substance use disorders, the purpose of this project was to identify a funding source and write a grant proposal to design and implement an integrated program that will address the needs of homeless adults with co-occurring disorders. The target area is Los Angeles County, more specifically, San Pedro, California. There are many risks associated with adults who experience co-occurring disorders, including chronically homelessness, poor health, high suicide rates, HIV I AIDS, and frequent interactions with the criminal justice system. The overarching goal of this proposed program is to decrease the prevalence of co-occurring disorders by offering effective treatment. The potential funding source for this project is the McMillen Family Foundation because the criteria of the grant guidelines were consistent with the nature of this program and identified population. The actual grant submission and/or funding of the grant was not a requirement for successful completion of this project.
Dey, Rebecca. "An investigation into the potential use of poly(vinylphosphonic acid-co-acrylic acid) in bone tissue scaffolds." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/an-investigation-into-the-potential-use-of-polyvinylphosphonic-acidcoacrylic-acid-in-bone-tissue-scaffolds(0f3b96dd-29e6-4b46-9760-57770dee8bde).html.
Full textManville, Nathan Kyle. "Acceleration of Catalytic Asymmetric Silylation of Syn-Diols and Triols by Use of a Tetrazole Co-Catalyst." Thesis, Boston College, 2013. http://hdl.handle.net/2345/3236.
Full textThe acceleration of catalytic asymmetric silylation of syn-diols and triols by use of an azole additive has been developed. By simply adding 7.5-20 mol % of a commercially available small-molecule, 5-ethylthiotetrazole, to a previously reported chiral catalyst, reactions proceed within one hour delivering the desired products with similarly high yields and enantiomeric ratios; there is minimal reaction during the same period when one of the co-catalysts is absent. In an attempt to better understand this silylation mechanism, computational catalyst design and synthetic development were employed
Thesis (MS) — Boston College, 2013
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Chemistry
Srinivasan, Narayanan. "Pretreatment of Guayule Biomass Using Supercritical CO2-based Method for Use as Fermentation Feedstock." University of Akron / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=akron1289782016.
Full textMoore, Barbara Colin. "STRESS, COPING, AND WELL-BEING AMONG FAMILY MEMBERS OF WOMEN WITH SUBSTANCE USE OR CO-OCCURRING DISORDERS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=case1156529516.
Full textOgawa, Lisa Marie Fink. "Substance Use Experiences and Hepatitis C Treatment Decision-Making Among HIV/HCV Co-infected Adults: A Dissertation." eScholarship@UMMS, 2007. https://escholarship.umassmed.edu/gsn_diss/3.
Full textChoi, Chong Seok Seok. "COMBINED LAND USE OF SOLAR INFRASTRUCTURE AND AGRICULTURE FOR SOCIOECONOMIC AND ENVIRONMENTAL CO-BENEFITS IN THE TROPICS." Master's thesis, Temple University Libraries, 2019. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/546811.
Full textM.S.
Solar photovoltaic (PV) generation has been gaining popularity as low carbon energy technology in the face of the global climate change. However, conventional utility-scale PV requires large swaths of land to be occupied for decades which prevents the land from producing food or performing vital ecosystem services. Co-location of PV with crop cultivation is an emerging strategy for mitigating the land use of PV. In order to optimize this strategy, the impact of the plant growth-related soil properties need to be quantified. To this end, the first portion of the thesis investigated the impacts on the soil properties in a re-vegetated solar PV facility in Boulder, Colorado, which was the oldest vegetation-PV co-location site in the world. The second portion of the thesis uses a life cycle analysis (LCA) approach to test the feasibility of co-location of model crop cultivation and solar PV electricity generation in rural Indonesia, and it is the first study to use the LCA study of the co-located solar in the tropics. The first approach revealed that the soil hydrology, grain size distribution, and total carbon and nitrogen are significantly altered from their original state by the construction and presence of photovoltaic arrays, and that those properties had not been restored to their pre-construction levels despite the fact that ten years had passed since re-vegetation of the PV array. The persistence of the altered soil properties meant that the designs regarding re-vegetation or co-location of PV with crops would have to be considered at the beginning of the construction of the PV to minimize the impact on the soil and the existing vegetation. Furthermore, soil moisture was the highest in the soil underneath the western edge of the PV panels, where the western tilt of the PV panel had concentrated the rainfall. The heterogeneity in soil hydrology created by the panels could be manipulated to benefit the growth of vegetation within the PV array. The LCA approach revealed that a hectare of PV arrays with full module density would carbon offsets against diesel electricity generation and the grid, and that the annual supply of electricity from the PV could satisfy the demand of a typical rural Indonesian village several times over. However, the high capital expenditure of solar mean that co-location with full PV module density would not be economically feasible, even with the income stream from the co-located crop cultivation. In order to reduce the capital expenditure, the PV module density for co-location was reduced to half. The combination of reduced capital expenditure and the income stream from the crop made the co-located land use significantly less costly. Additionally, the rural electrification would be able to provide secondary socioeconomic benefits such as avoidance of health costs through operation of public health infrastructures, increased standard of living, and secondary income opportunities from processing of raw materials. However, better subsidies for renewables, specialized loan structures for small-scale renewable systems, and a culture of co-operation between small landholders would need to be implemented before the co-located system becomes affordable to the inhabitants in rural Indonesian villages.
Temple University--Theses
Grant, Misty. "Exploring Relationships of Meaning, Co-Occurring Diagnoses, and Attitudes About Substances." ScholarWorks, 2018. https://scholarworks.waldenu.edu/dissertations/5869.
Full textHouser, Kimberly Ann. "Examining the Association Between Co-occurring Mental and Substance Use Disorders and Institutional Misconduct Among Female State Inmates." Diss., Temple University Libraries, 2011. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/144630.
Full textPh.D.
In view of the vast numbers of individuals with co-occurring mental health and substance use disorders within the offender population, the scarcity of research on the potential exacerbating effects of co-occurring disorders on prisoner misconduct is surprising. With a sample of 1,470 incarcerated women offenders in Pennsylvania, this study examined prisoner misconduct among four distinct groups: 1) inmates with co-occurring disorders, 2) those with mental illness only, 3) inmates with substance use disorders only, and 4) prisoners with no mental health or substance use disorders net the effects of other factors demonstrated in prior studies to influence institutional misconduct. Results suggested that female prisoners with mental health and co-occurring disorders were significantly more likely than those with no disorders to be charged with prison misconduct . Co-occurring disorder inmates were also more likely to be charged with both minor and serious misconduct compared to inmates with no disorders. The results of this study suggest that menttal health and co-occurring disorders may hinder the ability of some female offenders to successfully assimilate to the prison environment as evidenced by higher rates of institutional misbehavior. Practice and policy implications are discussed
Temple University--Theses
Hammermeister, James Paul. "The co-ordination of light rapid transit and land-use : an examination of the institutional framework in Edmonton." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26826.
Full textApplied Science, Faculty of
Community and Regional Planning (SCARP), School of
Graduate
Cochrane, David. "The interaction between co-morbid substance use and psychosis : an exploratory study of service users' beliefs and attitudes." Thesis, University of Leicester, 2007. http://hdl.handle.net/2381/4464.
Full text