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.
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Showing 1 to 20 of 20 for “"chemical compatibility"”.
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Physical and chemical compatibility of herbicide-suspension fertilizer combinations
Digitized by Kansas Correctional Industries
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Physical and chemical compatibility of herbicide-suspension fertilizer combinations
Digitized by Kansas Correctional Industries
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Hydraulic conductivity and chemical compatibility of some Victorian soils used as liners for waste containment
… waste and natural ground to act as barrier to chemical leaching. It follows that the design hydraulic conductivity of the clay is a governing parameter and many environmental regulations require this parameter to be less than 1x10"' m/s. Therefore, the precise assessment of hydraulic …
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Samarium strontium cobalt oxide – samarium doped ceria carbonate (SSC-SDCC) as a new potential composite cathode material for low temperature solid oxide fuel cell
… as composite cathode is limited despite great chemical compatibility and cell performance achieved with other low temperature solid oxide fuel cell (LTSOFC) components. LTSOFC based on SDCC electrolyte display lower of area specific resistance (ASR) with high value of stability and porosity. …
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Novel pump for flow chemistry applications with increased reliability
… have been check valve failure and insufficient chemical compatibility. Some of these pumps use dual reciprocating pistons to drive the fluid, requiring the use of four check valves. This lowers the reliability of the pump as a whole to an undesirable level. A novel pump system design could …
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Investigations of Ni-SDC carbonate (Ni-SDCC) as composite anode for low temperature solid oxide fuel cells
… as composite anode is limited despite great chemical compatibility and cell performance achieved with other low temperature solid oxide fuel cell (LTSOFC) components. This study focuses to investigate the correlation of powder composition and calcination temperature on the chemical …
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Untersuchungen zum Einsatz neuer Werkstoffe für SOFC-Anwendungen
… different strontium content. The influence of chemical cation non-stoichiometry on the perovskite material was investigated. Therefore, measurements to gather information about the crystallographic structure, morphology, electrochemistry and electrical conductivity were carried out. For a …
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Structure of cathode-electrolyte interfaces and correlation with ionic conductivity in Solid Oxide Fuel Cell devices
… has been used in order to investigate the chemical compatibility between different promising cathode and electrolyte materials for It-SOFC (Intermediate Temperature-Solid Oxide Fuel Cell) application, in order to evaluate how the chemical reactivity can affect the fuel cell performance. The …
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Electrohydrodynamic jet printing: droplet to shape writing, and potential applications with 172nm exposure
… the goal is to pattern biologically active chemicals, draw an etch mask, connect complex geometry microscale wires, or one of many other applications, EJET has a place in R&D. Significant effort or training is required to write 500nm-30um droplets, let alone to coalesce droplets into …
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An inverted hydride-fueled pressurized water reactor concept
… to low operating pressure and/or fuel-coolant chemical compatibility, the inverted core can be designed as to closely resemble a modular repetition of the inverted unit cell, i.e. the so-called continuous inverted geometry.
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Analytical and Experimental Investigation of Interphase and Dispersion Effects on the Mechanical Stiffness of Cellulose Nanocomposites
… to improved dispersion through increased chemical compatibility with the surrounding matrix. Characterizing dispersion as a function of CNC loading and interfacial characteristics is the current focus of our lab, and updated results will be published in the near future which incorporate …
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A microfluidic platform for combinatorial experiments
… such as micropipettes, and improves the chemical compatibility of droplet microfluidic platforms for small molecules. We applied our platform to two experimental problems: combinatorial drug screening and microbial ecology. First, we used our platform to enable screening of pairwise …
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Chemical Surface Modification of Polycarbonate to Increase Hydrophilicity
… with a contact angle less than 10°. Many chemicals were tested to see if they could increase the polarity of polycarbonate. Polycarbonate was partially submerged in pure chemicals for 2 hours at room temperature to determine its chemical compatibility. Compounds with aromatic rings, like …
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Microfluidic Methods for Biomolecular Analysis
… higher mechanical strength and better chemical compatibility. With different materials and structures, microfluidic devices can be expanded to more applications.
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Continuous separation and recycle of homogeneous catalysts in small scale flow system
… has transformed the way both bulk and fine chemicals are produced. When such catalysts are applied in fine chemicals production, the presence of toxic heavy metals in these catalysts (Pd, Pt, Ru, Rh, etc.) can pose significant separation challenges. Regulatory bodies (such as the FDA and …
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Thermal aspects of high efficiency channel with conventional and alternative fuels in SuperCritical water-cooled reactor (SCWR) applications
… candidate for future use in SCWRs. However, the chemical compatibility of UC with water at high operating temperatures of SCWRs remains ambiguous. Therefore, further studies are required before selecting UC. In regards to enhanced thermal-conductivity fuels, UO2‒BeO is the most suitable …
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Development and Scaling up of Oxide Buffer Architectures on Flexible Substrates for Efficient and Application-Derived Growth of REBCO Thin Films
… film REBCO tapes using advanced metal organic chemical vapor deposition (A-MOCVD), with three times the critical current of commercial REBCO tapes in high magnetic fields at 4.2–20 K, and more than four times the precursor-to-film conversion efficiency of conventional MOCVD (approximately 45%). …
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Understanding Functional Silica Additives for HDPE Composite Materials
… The TGA and DSC revealed a key finding where the chemical compatibility concern of high loading levels of silica and the unfunctionalized silica was overcome by the processing routes and conditions used. There were subtle increases in the degree of crystallinity. However, the data demonstrates a …
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Predictive Modeling and Durability Analysis of Low Carbon Concrete Incorporating Recycled Materials
… study emphasizes the role of proportioning and chemical compatibility towards achieving sustainable mortars. These findings indicate that the proposed ML-assisted mix design approach can effectively identify high-performing mortar mixtures using industrial by-products. Though the model targeted …
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A Multiplexed, Multi-scale Optical Imaging Platform to Quantify Tumor Metabolic Heterogeneity
… to establish that the two probes do not exhibit chemical, optical, or biological crosstalk. Chemical compatibility was established using liquid chromatography. Briefly, high molar concentration solutions of each individual probe (Bodipy FL C16, TMRE, and 2-NBDG) were created alongside a solution …