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 312 for “"Physical and Chemical Properties"”.
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Physical and chemical properties of sporopollenin exine particles
The chemical structure of sporopollenin was extensively reviewed, along with some considerations pertaining to its physical and biological properties. A comparative study is presented of extraction protocols to isolate exines from L. clavatum, in particular, but with extension to spores from other …
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Physical and Chemical Properties of Matrix in Primitive Chondrites
The origin and formation of our Solar System is an open research question, which the scientific community is trying to address. In this work was specifically investigated the fine grained matrix which is a mixture of fine-grained materials composed largely of amorphous silicate and sub-micrometre …
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Some Physical and Chemical Properties of SALMONELLA POTSDAM Bacteriophages
… A are phages resistant to a temperature of 80°C and in Group B phages that are killed at this temperature. Three temperate bacteriophages P3/2, P4/2 and P9a/2 isolated from lysogenic strains of <em>S. potsdam</em> were investigated. Phage P4/2 is in Group A and phages P3/2 and P9a/2 in Group …
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The physical and chemical properties of the surface of Venus
… Institute of Technology, Dept. of Earth and Planetary Sciences, 1983.
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Influence of various nitrogen sources on soil physical and chemical properties
Typescript (photocopy).
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Influence of various nitrogen sources on soil physical and chemical properties
Typescript (photocopy).
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Physical and Chemical Properties of a New Mineral Trioxide Aggregate Material
… this study was to compare the time to final set and compressive strength of the white mineral trioxide aggregate (MTA) formulation to the original grey MTA. To test compressive strength, each MTA formulation was placed into Teflon split molds for four hours at 37° Celsius (C) and 100% humidity. …
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Physical and chemical properties of coarse coal refuse from Southwest Virginia
… to reclaim due to high potential acidity and coarse fragment content, low water holding capacity, low fertility, and other problems. Little is known about coal refuse properties, particularly as they relate to revegetation potential. This study was undertaken to determine the physical and …
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A study of some physical and chemical properties of dehydrated sour cream
Thesis (M.S.)--Michigan State University. Dept. of Food Science, 1966
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Physical and Chemical Properties of Laboratory and Ambient Aerosols Related to Climate Change
… the evaluation of closure when measuring and modeling aerosol optical properties as a function of RH in a laboratory and reports measured ambient aerosol optical and chemical properties for an anthropogenically perturbed continental US site from 1995 to 2000. The optical closure experiment …
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Some Physical and Chemical Properties of the Higher Fraction of Bastrop Cedar Leaf Oil
No abstract prepared.
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Physical and chemical properties of artificial soil with humified and non-humified organic matters
… of organic matter have its own characteristic and the effect on the properties of soils is different. Hence, understanding the physico-chemical characteristic of organic soils is the fundamental needs for researcher and important to identify suitable method for further experiment. Artificial …
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A STUDY OF OPTICAL, PHYSICAL AND CHEMICAL PROPERTIES OF AEROSOLS USING IN SITU MEASUREMENTS
… two size ranges (coarse, 2.5μm < d < 10μm, and fine, d < 2.5μm) from January-December 2005, with a focus on the Intensive Observation Campaign (IOC) in March 2005. The collected filters were analyzed for aerosol mass concentration and aerosol absorption efficiency; selected filters were …
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Using Portable X-ray Fluorescence to Predict Physical and Chemical Properties of California Soils
… the basic information necessary for understanding the physical, chemical, and biological properties of soils. Knowledge about soils can in turn be used to inform management practices, optimize agricultural operations, and ensure the continuation of ecosystem services provided by soils. …
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Investigation of physical and chemical properties of scandium oxide using a thermal imaging furnace
Properties of high melting temperature materials have yet to be well-established due to the experimental difficulty of making such measurements. One such material for which properties are not reported are scandium oxide, a material of recent interest due to the wide range of technological …
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Correlation of physical and chemical properties of anhydride-cured epoxy resins with theoretical structure
… found to have a significant effect on the final physical and chemical properties of a cured epoxidized novolac resin, and the final properties of a cured system can be predicted with reasonable accuracy from the theoretical structure. Properties were related to structure in terms of cyclic rings, …
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A Theoretical and Experimental Investigation of the Physical and Chemical Properties of Solid Nanoscale Interfaces
… field of surface science is rapidly growing and presenting challenges to the design of both experimental and theoretical studies. The primary aim of this dissertation is to shed some light on the physical and chemical properties of selected nanoscale materials at the interface. Furthermore, …
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