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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Transformation from semiconductor manufacturing into the artificial plant factory: A framework of resource re-utilization strategy

Malachiyil, Suveesh, Szundi, Zsolt January 2015 (has links)
The resource based radical change from semiconductor manufacturing into the artificial plant factory is studied by understanding the resource capabilities in each industry separately. Due to lack of scientific research in the resource re-utilization process, the phenomenon is explored by studying the role of three different resources from a holistic view. By a qualitative research method, the motivating reasons for the change, the resources involved in the change, duration, and the resource based information were studied. The collected data are analysed under three different categories such as knowledge, infrastructure, and production technology. The identified problems were the unsatisfied resource capabilities, which have to be solved during the change process. As a result of the analysis, a framework is developed by combining all the three resources from a holistic view, in the change process. The framework is structured in three separate phases and inferred to support the resource re-utilization in the radical change process.
2

Analysis of Nutritional Components of Spinach Under Root Chilling Stress / 根圏低温ストレス下のホウレンソウの栄養成分に関する分析

Koyama(Ito), Ayana 24 May 2021 (has links)
京都大学 / 新制・論文博士 / 博士(農学) / 乙第13423号 / 論農博第2898号 / 新制||農||1086(附属図書館) / 学位論文||R3||N5346(農学部図書室) / (主査)教授 中嶋 洋, 教授 近藤 直, 教授 飯田 訓久 / 学位規則第4条第2項該当 / Doctor of Agricultural Science / Kyoto University / DFAM
3

都市植物工廠創新經營模式分析 / A strategic analysis of the business models on urban plant factory

鄭英男, Cheng, Ying Nan Unknown Date (has links)
農作物生長,極易受到氣候如豪雨、颱風、高低溫、寒害、病蟲害等威脅,農民常年使用的農藥、化學肥料等都已被證實,有造成食品安全及水源污染之疑慮,且人口增加、生質燃料的轉作,對糧食供給產生排擠效應。應用溫室設施、水耕栽培技術及 IT 科技,控制植物生長所需光源、溫濕度、養份、病蟲害等環境的「植物工廠」,配合立體及多層架栽培,使農產品能依工業化流程生產及品質管控之新營運模式, 儼然已成為各國解決糧食問題、降低 Food Miles 及碳足跡重要課題。 本研究收集及分析國外植物工廠企業化經營的現況及問題點,運用由外而內(Outside-in)的產業結構分析(亦稱為機會基礎的成長策略),找尋企業可進入、可獲利的產業機會,從利潤創造公式展開成各種價值動因 ( Value Driver ),把經營重點轉移到營運初期的規劃, 與重點項目評估, 使其能在營運期間的創造價值,進一步與植物工廠運作功能結合, 整理出經營的 9 個價值創造動因,包含單價、單位栽種密度、栽培架層數、栽培面積、年周轉數、平均良率、營運成本、投入成本及使用年限。 找出目前消費者的價值主張, 運用創新、一致、可執行的商業模式來執行及延續,並擬定出企業的策略系統圖 (Strategic Activity System ),經由關鍵的策略活動,執行策略及細部戰術。 / This research aims at the strategic analysis of the business model on the Urban Plant Factory for the future development in Taiwan. The growth of crops is highly vulnerable by climate like heavy rain, typhoon, hot and cold weather, pests etc. Furthermore, the food safety and underground water pollution concerns caused by agricultural pesticides and fertilizers spread. In addition, worldwide population growth and biomass fuels converted create a big pressure to the food supply chain. The " Plant Fatory " uses the greenhouse, hydroponics and IT technology to control light, temperature, humidity, nutrients, pests and disease of the corps growth environment, and the multi-layer cultivation shelf facilities, and the industrial production & quality control technology of new business model to solve the food problem has become an important topic, and solution to reduce foot mils and carbon footprint. In this study, collect and analyse oversea's Urban Plant Factory commerical reports and problems they faced, using the Outside-in strategy of the industrial structure analysis (also known as opportunity-based growth strategy), to find out the company's profitable cut-in opportunities. From the EBIT equation, to develope a variety of value drivers and apply the drivers to the Plant Factory''s management and dialy operation, and focus on the key success factors of the initial business planning and evaluation of the Plant Factory, enabling the value creation during the operationg period. Furthermore, combined with Plant Factory functions and identify nine value creation factors including price, the unit density of planting, cultivation shelf layers, the cultivation total area, annual turnover, annual average yields, operating costs, initial costs and life period. With current proper value proposition, using the innovative, valuable, consistent, executable business model to implement and extend, and develop the Strategic Activity System to find out the key strategic actions to implement the strategy.
4

The Quest for the Hydroponic Pepper : Applying Design Research Methodology to Develop Support Tools for Successfully Designing a Post-harvest System for a Plant Factory

Antser, Charlie, Lundvall, Kimmy January 2021 (has links)
The world is facing a food shortage as the world’s population increases and arable land decreases. Despite this, the food industry is wasteful, and 30% - 40% of all produced food is lost before reaching the end consumer. Emerging technologies aim to increase the amount of food that can be grown per m2 or allow the growing of food in climates or on lands previously impossible. Four main farming techniques utilising these emerging technologies are Controlled Environment Agriculture, Hydroponic Farming, Urban Farming and Vertical farming. When used together, these techniques form the basis for what can be called a Plant Factory. Despite the positive effects these technologies have on the production rate, few Plant Factories have managed to achieve profitability. By creating support for developing the post-harvesting system for a plant factory, this thesis aims to aid in the development of profitable plant factories. The thesis uses Design Research Methodology to achieve this aim in three parts. The first part identifies the underlying factors of the post-harvesting system affecting plant factory profitability. The second presents a set of support components that will aid the developers to improve key factors affecting profitability. The third part is a case study where the support components applicability at targeting the key factors are evaluated, and suggestions for further improvements and testing of the support is suggested.  Further, using Design Research Methodology, the methods used to develop support in this thesis are presented to easily be replicated by other researchers to aid them in developing support for other industries and circumstances. The suitability of the developed support was tested using the principles of an initial DS-II. The developed support proved very useful for the investigated case, and with its conditions, the application evaluation was considered a partial success. Two key factors were successfully improved and indicated that the intended support is ready for a comprehensive DS-II. A third support component needs more work to provide the intended support fully. Therefore a second  PS iteration is recommended before a comprehensive DS-II is done to increase its value.

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