Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 519 for “"raw materials"”.
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IPRAMA: INDUCED POLARIZATION FOR RAW MATERIALS
As the global economy transitions to cleaner energy, the ability to accurately map mineral deposits has become a key challenge to achieve decarbonization goals. The development of innovative and non-invasive exploration methods is essential to ensure the sustainable exploitation of natural …
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INTERNATIONAL LAWMAKING: EXPORT RESTRICTIONS ON MINERAL RAW MATERIALS
… with an emphasis on trade in mineral raw materials. First, it offers a historical and empirical analysis of export restrictions on raw materials. Second, it is based on a legal analysis of the texts, effects, and judicial interpretation of the WTO regulations on export restrictions and …
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Technological Study for the Evaluation of Brewing Raw Materials
… review is made of the available carbohydrate raw materials and of the limitations of laboratory-or production-scale evaluation. A 30-brl( 5,000-1) experimental brewery was designed and built to facilitate adequate scientific control and to minimise differences of scale in the evaluation of …
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Applying the United Nations Framework Classification for Resources to Critical Raw Materials: A case study of Italy in the context the European Critical Raw Materials Act
L'abstract è presente nell'allegato / the abstract is in the attachment
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The study of inventory management of raw materials for a pharmaceutical company
… 1500 pallet spaces. This thesis focuses on the raw materials procurement and ordering methods in TCG. We study the accuracy of the demand forecasts for the finished products. And we investigate methods to improve procurement and inventory control. We use a 2-factor classification method to rank …
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Designing two-stage recycling operations for increased usage of undervalued raw materials
… recyclers to incorporate low-quality secondary materials into higher quality finished products. Despite technological development, the use of these materials in the re-melting stage to produce final alloys is still limited. This thesis addresses this issue by raising the following question: …
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A Lithic Raw Materials Study of the Bridge River Site, British Columbia, Canada
… 4,000 were from dated contexts. These dated materials were used for a materials study to look at settlement patterns, trade and prestige. The Bridge River Site is located in an area of complex geology that contains many unique and valuable resources for the prehistoric and the present. The …
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A Lithic Raw Materials Study of the Bridge River Site, British Columbia, Canada
… 4,000 were from dated contexts. These dated materials were used for a materials study to look at settlement patterns, trade and prestige. The Bridge River Site is located in an area of complex geology that contains many unique and valuable resources for the prehistoric and the present. The …
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ENZYME ENGINEERING AND GREEN SYNTHESIS OF N-ACYL GLYCINE BIOSURFACTANTS FROM RENEWABLE RAW MATERIALS
Amide syntheses remain a key challenging green chemistry reaction. For instance, green synthesis of N-acyl glycines as biosurfactants and therapeutics is highly desirable to replace chemical pathways using toxic phosgene. Herein, we report a novel concept for enzymatic amidation in an aqueous …
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THE IDENTIFICATION AND QUANTIFICATION OF ORGANOPHOSPHATE FLAME RETARDANTS IN RAW MATERIALS UTILIZED IN POLYURETHANE PRODUCTION
… furniture and bedding products, rather than the raw materials utilized in production. Industrial chemists continue to grapple with the development of an effective method for detecting and quantifying organophosphate compounds in various flame retardant mixtures as polyurethane manufacturers …
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Import/export : raw materials, hemispheric expertise, and the making of Latin American art, 1933-1945
… upon the relationship between materiality, raw materials, and import substitution industrialization in analyzing works of art and the networks in which they were mobile.
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Alkali-activated materials and Geopolymers from wastes and secondary raw materials: innovative and sustainable building products
L'abstract è presente nell'allegato / the abstract is in the attachment
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Integrating Critical Raw Materials into Energy System Optimization Models: Approaches for More Informed Energy System Planning
L'abstract è presente nell'allegato / the abstract is in the attachment
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Microbial-Induced Calcite Precipitation in soils: use of alternative raw materials and analysis of environmental implications
Microbial-Induced Calcite Precipitation (MICP) is a biogeochemical process that induces the precipitation of calcium carbonate minerals as a result of microbial activity. In MICP via urea hydrolysis, urea, calcium, and simple carbon and nitrogen chemical compounds are supplied to stimulate …
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RECOVERY AND SEPARATION PROCESSES IN THE RECYCLING CHAIN OF POLYAMIDE PLASTIC MATERIALS TO OBTAINECO-SUSTAINABLE RAW MATERIALS
… polymer degradation and in a more flexible materials, likely due to the presence of residual low-molecular-weight compounds acting as plasticizers. Spray drying offered rapid solvent removal but posed challenges in terms of polymer degradation and system clogging, especially with PA-rich …
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