Rozprawy doktorskie na temat „Cultivation”
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Record, Rachael A. "CULTIVATING MIRACLE PERCEPTIONS: CULTIVATION THEORY AND MEDICAL DRAMAS". UKnowledge, 2011. http://uknowledge.uky.edu/gradschool_theses/148.
Pełny tekst źródłaArpayoglou, Irene. "Cultivation of Wrack Collected Seagrasses". NSUWorks, 2004. http://nsuworks.nova.edu/occ_stuetd/285.
Pełny tekst źródłaBeadman, Helen A. "The sustainability of mussel cultivation". Thesis, Bangor University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.273559.
Pełny tekst źródłaAshworth, Kirsti. "Atmospheric impacts of biofuel cultivation". Thesis, Lancaster University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.654455.
Pełny tekst źródłaDobyns, Henry F. "Piman Indian Historic Agave Cultivation". University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/609107.
Pełny tekst źródłaEmil, Axelsson. "Up-scaling of algae cultivation". Thesis, Luleå tekniska universitet, Industriell miljö- och processteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-60493.
Pełny tekst źródłaMcDanal, Patricia Ann. "Developing a community cultivation team". Theological Research Exchange Network (TREN), 2002. http://www.tren.com.
Pełny tekst źródłaFish, Suzanne K., Paul R. Fish, Charles Miksicek i John Madsen. "Prehistoric Cultivation in Southern Arizona". University of Arizona (Tucson, AZ), 1985. http://hdl.handle.net/10150/554214.
Pełny tekst źródłaMuller, Claudette. "The role of buchu cultivation (Agathosma betulina & Agathosma crenulata) cultivation in livelihoods and conservation". Master's thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/19985.
Pełny tekst źródłaLiu, Keqi. "Conscientization and the Cultivation of Conscience". Thesis, University of Canterbury. Educational Studies and Human Development, 2012. http://hdl.handle.net/10092/7129.
Pełny tekst źródłaO'Rourke, Eric J. "Marijuana cultivation and the life-course". Thesis, California State University, Long Beach, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1528012.
Pełny tekst źródłaLife course criminology seeks to explain the factors that lead and deter individuals from engaging in persistent later-life criminality. However, the cultivation of marijuana has yet to be tested by life course related means. This thesis uses data from both the Marijuana Growers' Survey and the Belgian Marijuana Growers' Survey to examine the extent that life course related variables are associated with transitions within marijuana growers. Results suggest little support for life course related variables, and instead suggest that motivations are more important in dictating transitions associated with an increase in profit and operations. Implications of these results are discussed and policy recommendations are made.
Batty, N. P. "Anther cultivation of Solanum tuberosum L". Thesis, University of East Anglia, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377711.
Pełny tekst źródłaCuenca, Liliana. "Repeated batch cultivation of Schizosaccharomyces pombe". Thesis, University of Surrey, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.441865.
Pełny tekst źródłaCarrier, Rebecca Lyn 1973. "Cardiac tissue engineering : bioreactor cultivation parameters". Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/8999.
Pełny tekst źródłaIncludes bibliographical references.
Tissue engineering may be useful in fighting heart disease since it offers the possibility of creating functional tissue equivalents for scientific studies and tissue repair. In the present work, we examined how variations in cultivation parameters of a model tissue engineering system influenced cardiac tissue morphogenesis. The central hypothesis was that using a tissue engineering system consisting of isolated cardiac cells, polymer scaffolds, and tissue culture bioreactors, we could engineer cardiac muscle mimicking native tissue in structure and function in the presence of appropriate biochemical and physical signals. The specific objectives were to: ( 1) vary key parameters of the model tissue engineering system, and (2) structurally and functionally characterize engineered cardiac muscle so that effects of parameter variations could be assessed and engineered tissue could be compared to native tissue. Effects of key cultivation parameters, including (I) cell source, (2) cell seeding density, (3) cell seeding vessel, and (4) tissue culture bioreactor on structure and function of engineered cardiac cell-polymer constructs were studied. Advantages of seeding mammalian cells at high densities (6-Sx 106 cells/Smm diameter x 2mm thick scaffold) under mixed conditions and culturing constructs in rotating laminar flow bioreactors were demonstrated, but constructs had interiors (> IOOμm tissue depth) consisting of mostly empty space due to diffusional mass transport limitations. We attempted to overcome diffusional limitations by directly perfusing culture medium through the constructs. Perfusion significantly improved the uniformity of the cell distribution and enhanced expression of a differentiated cell phenotype in comparison to non-perfused (i.e. flask) cultures. Control of the cell microenvironment in the perfusion system was also used to study relationships between oxygen tension and properties of cardiac constructs. Oxygen tension was directly correlated with DNA and protein contents (r=0.88 and 0.89, respectively), aerobic metabolism (r=0.97), muscle protein expression, and ultrastructural differentiation. Characterization of cardiac construct structure, composition, cell phenotype, and in vitro function demonstrated cardiac specific protein expression, metabolic activity similar to that of native tissue, and differentiated ultrastructural features (e.g. sarcomeres). The results support the utility of engineered cardiac muscle as a native tissue model for in vitro studies and eventually for in vivo tissue repair.
by Rebecca Lyn Carrier.
Sc.D.
Ramirez, Eduardo B. "Mentorship in commercial domestic cannabis cultivation". Thesis, California State University, Long Beach, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10096070.
Pełny tekst źródłaSocial learning theories of crime help explain criminal achievement through the learning process. Utilizing two prominent social learning theories, this thesis explores the under-researched relationship between mentorship and domestic cannabis cultivation. This thesis uses data collected from an online survey taken by growers in the United States, Canada, and Belgium to examine the extent that social learning related variables can predict commercial, large scale cannabis cultivation. Results show some support for social learning theories and suggest that learning definitions favorable to cultivation are a significant part of mentorship. Policy implications are also discussed.
Starr, Greg. "Intriguing Chihuahuan Desert Yuccas in Cultivation". University of Arizona (Tucson, AZ), 2015. http://hdl.handle.net/10150/554339.
Pełny tekst źródłaGustafsson, Greta, i Amanda Sivard. "Algae cultivations in Kenya- a sustainable solution? : An assessment and investigation over deepwater cultivation in Shimoni, Southern Kenya". Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-283601.
Pełny tekst źródłaDen globala efterfrågan av havsbaserade produkter ökar, och tycks inte mattas av. Algindustrin ses som ett lovande område att kunna bemöta detta behov på grund av sitt breda användningsområde. Mat, medicin och energi är bara några exempel på vad råvaran kan användas till. Kenya ses som ett land med stor potential att expandera sin nuvarande algindustri. Med inspiration av den närliggande storproducenten Zanzibar kan förbättringar och anpassningar göras för att passa in i Kenya. Ett område med bra miljöförutsättningar är Shimoni, beläget i södra Kenya, vilket är området denna rapport fokuserar på. Syftet med rapporten är att utvärdera möjligheterna för att utvidga algodlingar i området genom att studera potentialen hos djupvattenodling. Detta genom att analysera styrkor, svagheter, möjligheter och hot med den specifika tekniken. Syftet är vidare att kartlägga viktiga aktörer som kan ha betydelse vid en uppstart och expandering av odlingarna. Metoderna SWOT-analys och aktörskartläggning har gjorts med litteraturstudier och intervjuer med lokala forskare, som grund. Resultat har visat att djupvattentekniker är mindre påfrestande på miljön än odlingar belägna närmare strandkanten, och kan vara uppbyggande för den lokala miljön om rätt tekniker används. Algodling har en stor potential som en kompletterande sysselsättning i kustområden, om marknadspriset på råvaran höjs och att en viss miljöstandard upprätthålls. Dock så kräver djupvattenodlingar större initiala kostnader än tekniker som placeras vid lägre vattenstånd, vilket gör att politiskt och tekniskt stöd är avgörande för en möjlig uppbyggnad. Detta kan ske stegvis i takt med att nya affärsmöjligheter uppdagas. Slutligen rekommenderas fältstudier för att studera lokala aspekter som kan förekomma, vilka skiljer sig från litteraturen.
O'Brien, Kendall. "The Cultivation of Eating Disorders through Instagram". Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/6004.
Pełny tekst źródłaBaton, Hannah Rachel. "Cultivation and wildness in middle English literature". Thesis, Royal Holloway, University of London, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.497224.
Pełny tekst źródłaDonglei, Y. "Analysis of dynamic loading on cultivation implements". Thesis, University of Newcastle Upon Tyne, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376227.
Pełny tekst źródłaMohammed, Saad Zakaria Mohammed. "Aspects of nursery cultivation of bivalve molluscs". Thesis, University of Liverpool, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328163.
Pełny tekst źródłaSingh, Kuntal. "Climate and rainfed rice cultivation in India". Thesis, University of York, 2017. http://etheses.whiterose.ac.uk/20237/.
Pełny tekst źródłaOjo, E. O. "Photobioreactor technologies for high-throughput microalgae cultivation". Thesis, University College London (University of London), 2015. http://discovery.ucl.ac.uk/1462446/.
Pełny tekst źródłaHaugrud, Nathan Hans. "Cultivation to Supplement Residual Herbicides in Sugarbeet". Thesis, North Dakota State University, 2018. https://hdl.handle.net/10365/29217.
Pełny tekst źródłaSugarbeet Research and Education Board of Minnesota and North Dakota
Haddad, Ola. "Soilless Cultivation of Edible Plants for Phytoremediation". Thesis, Stockholms universitet, Institutionen för naturgeografi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-185047.
Pełny tekst źródłaFloberg, Karlsson Bill, i Jonatan Viitala. "Application of Apple pomace for Fungal Cultivation". Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-21676.
Pełny tekst źródłaÄppelpressmassa är en solid biprodukt, producerad genom att pressa och trycka milliontals ton äpple i bland annat juiceindustrier. Den kvarstående massan motsvarar 25-30 % av äpplet och består utav skal, frön och fruktkött. Denna råvara har många tillämpningar då den har ett högt kolhydrat- och vätskeinnehåll. Detta examensarbete utvärderade användningen av äppelpressmassa från Herrljunga cider för att odla en filamentös svamp i syfte att producera biomassa och etanol. Massan blev utsatt för olika förbehandlingar för att extrahera så mycket socker som möjligt. Olika satser gjordes genom att blanda äppelpressmassa med vatten i olika förhållanden (g äppelpressmassa per g vatten) och olika vattentemperaturer. Äppeljuice producerades genom att filtrera blöt massa med ett fint tyg. Suspensioner gjordes genom att tillsätta vatten till massan och inte blanda det (icke-homogent). En annan variant gjordes genom att blanda äppelpressmassa och vatten med en mixer (homogent). Några utav äppeljuicesatserna pH justerades till 5.5 för att se hur det påverkade svamptillväxten. Satserna flyttades till Erlenmeyer flaskor, steriliserades och ympades med den filamentösa svampen Rhizomucor. Erlenmeyer flaskorna flyttades till ett skakvattenbad för att jäsa i 72 timmar. Prover togs var 24:e timma för att se socker- och etanolkoncentrationerna ändras. Detta analyserades med hjälp utav en HPLC. Resultaten visade att suspensionssatserna inte presterade bra jämfört med äppeljuicesatserna. Detta misstänks bero på att innehållet var väldigt visköst och hade lågt syreinnehåll för svampen att kunna växa. Att justera pH till 5.5 för äppeljuicesatserna visade sig inte vara bra, de presterade sämre jämfört med justerade satser. Förbehandlingen med en äppelpressmassa till vatten förhållandet på 1 g äppelpressmassa/1 g kallt vatten producerade mest biomassa med ett utbyte av 9.7 g torr biomassa per kg torr äppelpressmassa. För etanolproduktion hade förbehandlingsmetoden med en äppelpressmassa till vatten förhållandet på 1 g äppelpressmassa/1 g varmt vatten högst utbyte med 11.2 g etanol per kg torr äppelpressmassa.
Racharaks, Ratanachat. "Cultivation of Nannochloropsis salina and Dunaliella tertiolecta Using Shale Gas Flowback Water and Anaerobic Digestion Effluent as Cultivation Medium". The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1406289883.
Pełny tekst źródłaKapekele, Evans M. "Determinants of slash and burn the case of chitemene farming system in Zambia /". Pretoria : [s.n, 2006. http://upetd.up.ac.za/thesis/available/etd-02192007-163602.
Pełny tekst źródłaBeecher, Tim. "Studies on the water relations of the common cultivated mushroom (Agaricus bisporus)". Thesis, Cranfield University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341085.
Pełny tekst źródłaSarma, Subrata. "Economics of Tobacco cultivation in West Bengal with special reference to its constraints and prospects". Thesis, University of North Bengal, 1993. http://hdl.handle.net/123456789/274.
Pełny tekst źródłaDas, Dilip Kumar. "An Economic analysis of Jute Cultivation in Cooch Behar District of West Bengal". Thesis, University of North Bengal, 1996. http://hdl.handle.net/123456789/307.
Pełny tekst źródłaSengupta, Satyabrata. "Jute cultivation in the North Bengal region of West Bengal - its problems and prospects with special reference to period since independence". Thesis, University of North Bengal, 1994. http://hdl.handle.net/123456789/306.
Pełny tekst źródłaLindström, Rignell Ludvig, i Claudia Nohlgård. "Design of a Cultivation Unit : Communicating the potential of reusing residual heat by using the design of a cultivation unit". Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-77541.
Pełny tekst źródłaIdag är klimatförändringar en av världens största utmaningar. Den främsta orsaken är människors utsläpp av växthusgaser, som bland annat förekommer vid förbränning av fossila bränslen. En förutsättning för att möta denna utmaning är att samhället förändrar det sätt energi produceras och används. En viktig del i strävan mot att bekämpa klimatförändringarna är därför att skapa en medvetenhet hos människor gällande energianvändning. Syftet med det här examensarbetet är att utforma en odlingsenhet som använder sig av restvärme, för att på så sätt uppmärksamma återanvändningen av den energi som annars går till spillo i samhället. För att uppnå detta har ett designarbete genomförts genom en etablerad designprocess och kreativa metoder, såsom workshops, fokusgrupper och prototyper. Examensarbetet resulterade i ett koncept för en odlingsenhet som på ett innovativt sätt uppmärksammar återanvändningen av restvärme. Arbetet har genomförts i samarbete med Luleå Energi, ett energiföretag som förser Luleå med energi och som arbetar med att skapa förutsättningar för en mer hållbar energianvändning.
Taskila, S. (Sanna). "Improved enrichment cultivation of selected food-contaminating bacteria". Doctoral thesis, Oulun yliopisto, 2010. http://urn.fi/urn:isbn:9789514263576.
Pełny tekst źródłaVieira, Ima Celia Guimaraes. "Forest succession after shifting cultivation in eastern Amazonia". Thesis, University of Stirling, 1996. http://hdl.handle.net/1893/26668.
Pełny tekst źródłaJönsson, Åsa. "Organic apple production in Sweden : cultivation and cultivars /". Alnarp : Department of Crop Science, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200714.pdf.
Pełny tekst źródłaBroberg, Josephine, Molly Ericson i Gustav Frid. "Biofuel : - Sustainability of the Jatropha cultivation in Zambia". Thesis, KTH, Industriell ekologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-143883.
Pełny tekst źródłaGaensakoo, Rumpai. "High cell density cultivation of recombinant Escherichia coli". Thesis, University of Strathclyde, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248832.
Pełny tekst źródłaNunes, da Silva Ramos Filipe José. "Identification of Suitable Areas for Offshore Macroalgae Cultivation". Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-243911.
Pełny tekst źródłaStarr, Greg. "New World Salvias For Cultivation in Southern Arizona". University of Arizona (Tucson, AZ), 1985. http://hdl.handle.net/10150/609082.
Pełny tekst źródłaLennartsson, Patrik. "Zygomycetes and cellulose residuals : hydrolysis, cultivation and applications". Doctoral thesis, Högskolan i Borås, Institutionen Ingenjörshögskolan, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-3608.
Pełny tekst źródłaAkademisk avhandling som för avläggande av teknologie doktorsexamen vid Chalmers tekniska högskola försvaras vid offentlig disputation den 9 februari 2012, klockan 10.00 i KS101, Kemigården 4, Göteborg.
ljung, sofia. "Grow Social : Create connection & communication through cultivation". Thesis, Konstfack, Industridesign, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:konstfack:diva-7269.
Pełny tekst źródłaGhantous, Katherine M. "Use of flame cultivation as a nonchemical weed control in cranberry cultivation". 2013. https://scholarworks.umass.edu/dissertations/AAI3603087.
Pełny tekst źródłaChung, Chi Yen, i 鍾啟彥. "Implementing a Fruit Cultivation Management System Using RFID for Greenhouse Cultivation as Case Study". Thesis, 2013. http://ndltd.ncl.edu.tw/handle/vr6u33.
Pełny tekst źródła亞洲大學
資訊工程學系碩士在職專班
102
Agriculture is an important industry providing people's livelihood with a stable economy, but pesticides and chemical fertilizers applied by the agricultural industry often have residues, resulting in the natural environment suffering a catastrophe, and humans also falling into victims. In addition, Taiwan's agricultural frequently affected by typhoons or heavy rains, farmers suffered heavy losses while consumers are also falling into victims. With advances in agricultural technology and the rise in greenhouse cultivation, isolated from the outside natural environment interference, the green house can provide the environment growing agriculture crops. Crops are planted in the close greenhouse, so pest invasion naturally reduce, thus reducing the use of pesticides. Through enhancing agricultural technology, fertilizer consumption per unit area of the greenhouse can be done through precise calculations without excessive problems. Therefore, greenhouse is just like a small plants. By using characteristics of the RFID technology, growers can more effectively manage the greenhouse based on different types of fruits, the growing season, fertilizer types, legitimate use of pesticides, etc... Allowing consumers enabling to master the production information so as to increase the value of agricultural products, the system also allows growers getting fast and efficient and creating a better profit. Using RFID readers and tags with readable and writable features integrated with a database, a fruit cultivation and management system can be implemented. The system, by using timely reading and writing features of RFID,can carry out greenhouse fruit cultivation for growers to record daily agricultural work in the integrated database, and the detailed records of each crop planting situations, including the usage history of pesticides, can be used to construct a full production resumes and provide consumers with safe, non-toxic, high-quality agricultural products so as to achieve a win-win situation.
Tzu, Lai Hsiu, i 賴秀姿. "“Lao Tze”Virtue Cultivation Theory". Thesis, 2013. http://ndltd.ncl.edu.tw/handle/53632570852580304892.
Pełny tekst źródła華梵大學
哲學系碩士班
101
As the external expression of conformity to the Way, virtue can be seen as its container or hypostatization. In its concrete manifestation, virtue can be either profound or ordinary; when put into action, it has the universal quality of non-action. Yet, due to the pernicious influence of modern society with its overriding emphasis on self-aggrandizement, even those with high ethical ideals find it difficult to live up to them, resulting in a gradual enervation of one’s basic moral fiber. To be sure, society does have its standards of ethics and morality, but these are second rate, little more than a stop-gap measure to offset the lack of inherent virtue. As a result, in advocating the cultivation of virtue and recovering the Way, it is essential to remain aware of the intimate relationship between virtue and the Way, such that they share the same attributes. The Great Way has spontaneous non-action as its focus and objective; both virtue and the Way are put into practice in the form of modesty, non-assertiveness, and yielding. As such, the cultivation of virtue and personal integrity is a process of subtraction, beginning inwardly and expanding outwardly; using modesty to remove attachment and purity to remove greed. With simplicity and purity as the basis, one returns to a state of child-like innocence impervious to the temptations of the material world, making it possible to know how much is enough, remain content, and regain one’s basic integrity. Thus, great emphasis is placed on gentleness and flexibility, such that through wisdom one becomes as a child, regaining one’s inherent virtue—the three treasures of benevolence, frugality, and not daring to put myself ahead of others. Benevolence is the selfless way in which a mother cares for her child; frugality is self-restraint and limiting one’s desires; not daring to put oneself ahead of others means modesty and non-competitiveness. By enhancing one’s virtuous nature one recovers the Way. Virtue and the Way form an organic unity which provides the basis for overcoming obstacles and bringing beauty into life. This is the truth of cultivation.
許逸凡. "Reverse season planting cultivation system". Thesis, 2016. http://ndltd.ncl.edu.tw/handle/25825010249810961939.
Pełny tekst źródła國立彰化師範大學
電子工程學系
104
Abstract In this study, we focus on the three elements of plant growing and invented a small-volume, plant-friendly cultivation system in which temperature, humidity, and light exposure are all fully under control. To create a plant-friendly environment, the plant cultivation system in this study generates an artificial lighting of 450nm to 650nm wavelength, which is beneficial to the plants’ photosynthesis process and helps to turn nitrite into nutrient and prevent nitrite leftover in the plants. In regard to temperature control, a PTC heater module is used to achieve the required temperature setting in the system. To achieve the designated humidity, a ceramic atomizer chip is used to break water into 2.5 μm particles and disperse them in the environment. From germination to maturation, plants in each stage of development react differently to temperature. Each kind of plant has different requirements for temperature and light exposure. To cater for all kinds of plants and the varying development stages, the plant cultivation system in this study is coded in the adjustment of the three essential elements of planting, offering the options of 20℃, 25℃, and 30℃ for temperature, 70%, 80%, and 90% for humidity, and 4hr, 8hr, and 12hr for light exposure, all of which can be adjusted as required at any time. It is also useful for the production test of seedling growing and planting. In this study, the cultivation system is also used for off-season cultivation, with which summer vegetables are cultivated in winter. As a result of the consumers’ desire for rare and fresh vegetables, no difficulty was ever had for selling this kind of vegetables. At the same time, the improvement of living standard has also prompted a yearly increase in the demand of such vegetables. Compared to ones that grow in the natural environment, the water spinach that grows in the cultivation system matured at least ten days faster. Off-season cultivation satisfies the market’s demand, and with the breadth of such prospect brings with it significant benefits for both the economy and the society.
LIN, JUI-CHIH, i 林叡志. "Development of Algae Cultivation System". Thesis, 2011. http://ndltd.ncl.edu.tw/handle/22314328095662934170.
Pełny tekst źródłaHuang, Chun-Lin, i 黃駿淋. "Microalgal Cultivation and Its Applications". Thesis, 2014. http://ndltd.ncl.edu.tw/handle/80956818459619357964.
Pełny tekst źródła大葉大學
工學院碩士在職專班
102
The massive use of fossil fuel results in the decrease of energy resources, the increase in oil prices and the serious release of greenhouse gases into the atmosphere. Microalgal biomass contains high-valued components, such as lipid, carbohydrates, polyunsaturated fat and carotenoids. Neutral lipid and carbohydrates can be transformed into biofuels such as biodiesel and bio-alcohol as substitutes for gasoline and diesel. Also with biomass, we can develop medical as well as health products. Therefore, cultivation of microalgae for biomass is considered as the most efficiently platform for the absorption and recycle of CO2. The commercialized system for producing microalgae is more likely to use open type cultured system, although closed type system provides better pollution control and mass transportation efficiency. The major factors that have a giant impact on microalgae cultivation system are the CO2 transportation and the light supply. Most of the photobioreactors are sparged with air containing CO2. The rate of CO2 transported into culture is always far more than the need for the microalga growth. The efficiency of CO2 absorption is extremely low. Light supply has to avoid light inhibitory effect and the frond shadowing effect. Choosing or developing an appropriate microalgae cultivation system is raise the biomass productive efficiency and economic benefit.
Koen, Kerry Jacqueline. "Cultivation of Combretum bracteosum (Hochst.) Brandis". Thesis, 2001. http://hdl.handle.net/10413/10208.
Pełny tekst źródłaThesis (Ph.D.)-University of Natal, Pietermaritzburg, 2001.
Chen, Kuan-Yi, i 陳冠溢. "Study on Hydroponic Vegetable Cultivation Shelves". Thesis, 2015. http://ndltd.ncl.edu.tw/handle/86277537640966217677.
Pełny tekst źródła遠東科技大學
電機工程研究所
103
Massive production of plants is closely related to the following conditions: lighting sources, humidity, concentration of carbon dioxide and nutrition. This thesis focused on growing different kinds of hydroponic plants under proper growing conditions by controlling wavelength, intensity of light and photoperiod of lighting sources. This thesis divided the hydroponic plants’ cultivation stage into: vernalization, germination, growth and robust phases. We used orthogonal array to regulate the conditions of plants’ growth of each stage, then took the best growing state for the experiments in the next stage. Since in each stage, the size of plants’ body was different, we used a kind of movable watering structure which can change its position according to plants’ size, in order to enhance the production of per unit area.