Index Catalog // ScholarsArchive@OSU

Formation and stability of Al, Fe, and Mg interlayers in montmorillonite and vermiculite

Creator:: Carstea, Dumitru Dumitru
Abstract:: The effects of pH and time on the formation of hydroxy-Al, Fe, and Mg interlayer were compared for montmorillonite and vermiculite. The stability of interlayers was evaluated by sequentially increasing the severity of dissolution treatments and by subjecting the inter-layers to an HC1 treatment. The interlayer formation and stability were...
Resource Type:: Dissertation
Full Text:: crystals treated with n- alkyl- ammonium ions. 1 The term smectite was proposed by MacEwan, Douglas M. C

Study of seed germination-associated genes using Arabidopsis enhancer-trap

Creator:: Liu, Po-Pu
Abstract:: In mature Arabidopsis seeds, the testa (seed coat) is no longer a living tissue. Thus, major sites of gene expression in imbibed seeds are the internal living tissues such as the embryo and the endosperm. To elucidate the molecular mechanisms of seed germination, the gene regulation in these two tissues...
Resource Type:: Dissertation
Full Text:: members, Dr. Raymond M. Brooks, Dr. Oscar Riera-Lizarazu, Dr. Henrik Stotz and Dr. Ruth C. Martin for

Colombia's national parks : an analysis of management problems and perceived values

Creator:: Meganck, Richard Albert
Abstract:: This analysis of Colombia's System of National Park Reservations accomplishes four objectives: 1) The historical development of national parks in Colombia was described; 2) The status, as of August, 1974, of the areas administered by the Colombian Renewable Natural Resources Development Institute (INDERENA) was summarized; 3) An analysis of major...
Resource Type:: Dissertation
Full Text:: ..................... 87 Isla de Salamanca National Park ........... 91 Introduction .................. 91 Historical

Insights into Centennial-Scale Salt Marsh Morphodynamics from the Oregon Coast

Creator:: Peck, Erin K.
Abstract:: Quantification and comparison of morphological changes over the last ~300 y in Oregon salt marshes provide valuable insights into the tectonic, hydroclimatic, and anthropogenic processes shaping this important intertidal zone. Understanding of the rates and drivers of salt marsh change contextualizes intertidal habitats within the sediment routing system (i.e., source...
Resource Type:: Dissertation
Full Text:: coseismic subsidence (~0.5 m). The filling of Netarts salt marsh accommodation space may be limited by a

Synthesis, structure and properties of some transition metal oxides

Creator:: Li, Jun
Abstract:: See pdf
Resource Type:: Dissertation
Full Text:: thermal expansion of the OCuO linkage was found in CuMO2 (M La, In, Sc, Al) delafossite compounds by

The impact of grazing on forage quantity, quality and foliar cover of the herbaceous vegetation in the Mamora Cork Oak Forest, Morocco

Creator:: Mejjati-Alami, Mohammed
Abstract:: This research was conducted in the Mamora cork oak forest of Morocco to: (1) Describe the impacts of sheep grazing (none, 35% use, 70% use) in March, April, May and June of 1987 and 1988 on seasonal forage production; (2) evaluate the effects of these factors on annual changes in...
Resource Type:: Dissertation
Full Text:: fence building, to data collection is greatly appreciated: M. Ait Lafquih, M. Lakdim, B. Dani, S. Azmi

A cloudy Quark Bag Model of S, P, and D wave interactions for the coupled channel antikaon-nucleon system

Creator:: He, Guangliang
Resource Type:: Dissertation
Full Text:: Pa' is defined as[55] ac Tmv = avg + (ref M + avo 9I'£C (2.56)a(amq) a() 00;4) and the Hamiltonian

Traditional Agriculture in Transition: Continuity and Change in Southwest China

Creator:: Li, Xiaoyue
Abstract:: This dissertation seeks to understand Yi farmers’ livelihoods in the midst of an agricultural transition in Yunnan, Southwest China. This dissertation examines a community’s traditional knowledge related to wild edible plants (WEPs), analyzes socio-ecological vulnerability and resilience in the face of agricultural transition from subsistence farming to cash cropping, and...
Resource Type:: Dissertation
Full Text:: . Dilemmas of Reform in China: Political Conflict and Economic Debate. ME Sharpe. Gadgil M, Berkes F

Decision-making in the Face of Uncertainty: Examining the Interplay between Social Relations and Loss Aversion in Small-Scale Fishing Communities in Jamaica

Creator:: Wade, Eric A.
Abstract:: Decision-making is a highly complex process influenced by the values, attitudes, and cognitive biases of the decision-maker. The classical model of decision-making fails to fully incorporate how decisions are made in situations of uncertainty, where having complete knowledge of all possible outcomes and alternatives is not always possible. In highly...
Resource Type:: Dissertation
Full Text:: however, acknowledge Dr. Steven M. Alexander, who has become a trusted mentor and friend. I am grateful

Determination of magnetoelastic parameters in magnetic thin films from FMR spectra

Creator:: Masood, Khalid I.
Abstract:: The ferromagnetic resonance (FMR) phenomenon serves as a sensitive probe of the effective internal fields in a magnetic material. FMR spectroscopy has consequently become a well-established technique, extensively employed in assessing material properties such as magnetic anisotropy, Landé g-factor, damping parameter, and the magnetoelastic constants of magnetic materials. Determining these...
Resource Type:: Dissertation
Full Text:: to thank my friend S M Safayetullah, he helped me during my financial crisis days, and through his

ScholarsArchive@OSU

Formation and stability of Al, Fe, and Mg interlayers in montmorillonite and vermiculite

Study of seed germination-associated genes using Arabidopsis enhancer-trap

Colombia's national parks : an analysis of management problems and perceived values

Insights into Centennial-Scale Salt Marsh Morphodynamics from the Oregon Coast

Synthesis, structure and properties of some transition metal oxides

The impact of grazing on forage quantity, quality and foliar cover of the herbaceous vegetation in the Mamora Cork Oak Forest, Morocco

A cloudy Quark Bag Model of S, P, and D wave interactions for the coupled channel antikaon-nucleon system

Traditional Agriculture in Transition: Continuity and Change in Southwest China

Decision-making in the Face of Uncertainty: Examining the Interplay between Social Relations and Loss Aversion in Small-Scale Fishing Communities in Jamaica

Determination of magnetoelastic parameters in magnetic thin films from FMR spectra

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