118 research outputs found

    Silicon solar cell with cover glass bonded to cell by metal pattern Patent

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    Metal pattern bonding technique for cover glass attachment to silicon solar cells for space application

    Gd or Sm doped silicon semiconductor composition Patent

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    Gadolinium or samarium doped-silicon semiconductor material with resistance to radiation damage for use in solar cell

    Method of making a silicon semiconductor device Patent

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    Doping silicon material with gadolinium to increase radiation resistance of solar cell

    Effects of impurities on radiation damage of silicon solar cells

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    Impurities effects on radiation damage of silicon solar cell

    The Non-Unconscionability of Condominium Recreation Leases

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    The authors evaluate the theory of unconscionability as a basis for challenging long-term condominium recreation leases in Florida. They discuss the situation underlying such challenges and examine recent attempts to apply common law and U.C.C. unconscionability principles to recreation leases. An analysis of the realities of condominium development serves to dispel several commonly held misconceptions about recreation leases. The authors also analyze the presumption of unconscionability under the Florida Condominium Act, contrasting it with the proposed Federal Condominium Act. Recognizing the inefficacy of the unconscionability approach, the authors briefly discuss the recreation lease buy-out as a more feasible alternative solution

    The Non-Unconscionability of Condominium Recreation Leases

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    The authors evaluate the theory of unconscionability as a basis for challenging long-term condominium recreation leases in Florida. They discuss the situation underlying such challenges and examine recent attempts to apply common law and U.C.C. unconscionability principles to recreation leases. An analysis of the realities of condominium development serves to dispel several commonly held misconceptions about recreation leases. The authors also analyze the presumption of unconscionability under the Florida Condominium Act, contrasting it with the proposed Federal Condominium Act. Recognizing the inefficacy of the unconscionability approach, the authors briefly discuss the recreation lease buy-out as a more feasible alternative solution

    Condominium Litigation

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    In this article, the authors examine and analyze recent judicial and legislative developments in the growing field of condominium litigation. In particular, the authors undertake a comprehensive examination of the documents associated with condominium ownership to ascertain the specific rights and liabilities incorporated therein

    Radiation-Resistant Solar Cells - A Panel Discussion

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    Radiation resistant silicon cells for solar energy conversio

    Correlation for Sessile Drop Evaporation Over a Wide Range of Drop Volatilities, Ambient Gases and Pressures

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    A correlation for the evaporation of sessile drops over a very broad range of conditions was developed based on measured evaporation rate data obtained for drops of acetone, methanol, and six hydrocarbons ranging from hexane to isooctane, evaporating in air, helium, argon, and krypton, over a range of ambient pressures from 96 kPa to 615 kPa. The experiments were designed to produce a large variation in the rates of diffusion and buoyancy-induced (natural) convection of the vapor phase amongst the experimental conditions. The correlation, which fits the measurements with an RMS relative error of 5.2%, is a simple equation involving conventional parameters for diffusive and convective transport and is applicable to conditions for which vapor transport limits the rate of evaporation. Application of the correlation requires knowledge of eight basic properties: the ambient pressure and temperature, the equilibrium vapor pressure of the evaporating component, the diffusion coefficient for the evaporating component in the ambient gas, the viscosity of the ambient gas, the radius of the sessile drop, and the molecular weights of the evaporating component and the ambient gas. The correlation is much easier to implement than a computational model based on the coupled conservation equations of mass, energy, and momentum for the two phases, and it offers a single mathematical expression that provides valuable insight into how the roles of diffusive and convective transport change with physical and geometrical parameters. The correlation can be a valuable tool to aid in the analyses of applications involving sessile drop evaporation and to support the validation of complex computational models. The range of experimental conditions resulted in a large variation in the rates of diffusive and naturally convective transport of the vapor. Over the range of experimental conditions, the liquid volatility, as indicated by the equilibrium vapor pressure, was varied by a factor of 16.7, the mass diffusivity by a factor of 52.2, the density difference ratio (the impetus for natural convection) by a factor of 3,557, and the drop radius by a factor of 22. In terms of the Rayleigh number, the experimental data covers a range from 5 to 361,000. Consequently, the correlation is applicable to a very broad range of conditions. To our knowledge these evaporation rate measurements of sessile drops in gases other than air and at pressures above one atmosphere are the first to be reported in the literature
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