15,477 research outputs found
Relationship of land use/cover on water quality in the Liao River basin, China
AbstractA total of 76 sampling sites were selected in the Liao River basin (21.9×104km2). During the period of 2009-2010, 58 water samples were collected in 2010 and 42 were collected in 2009, physical-chemical variables were analyzed to investigate their spatial-temporal variability in particular the relationship with land use /cover. The results indicated that physical and chemical properties showed obvious spatial heterogeneity in the Liao River basin. Taizi River and Hun River are located in the southeast of the basin, the water quality for two sub-basins: water quality in upstream is better than that in downstream, water quality level in downstream was classified into IV-V. There were no obvious features in the East Liao River basin, water quality in downstream was classified into III level. West Liao River run for many years, water quality was classified into IV. Big Liao River basin was located in middle and east of the Liao River basin. Water quality was classified into V. Correlation and regression analysis indicated that BOD5, COD, sediment, hardness and nitrate–nitrogen (NO3−–N), total dissolved particular (TDP) were significantly related to land use for forest and agriculture
Moral Status, Speciesism, and Liao’s Genetic Account
This paper offers several criticisms of the account of rightholding laid out in S. Matthew Liao’s recent paper “The Basis of Human Moral Status.” I argue that Liao’s account both does too much and too little: it grants rightholder status to those who may not deserve it, and it does not provide grounds for offering such status to those who arguably do deserve it. Given these troubling aspects of his approach, I encourage Liao to abandon his “physical basis of moral agency” account of moral status and instead adopt a position closer to a traditional “speciesist” view
Meromorphic solutions of higher order Briot-Bouquet differential equations
For differential equations where is a polynomial, we
prove that all meromorphic solutions having at least one pole are elliptic
functions, possibly degenerate
InGaAs implant-free quantum-well MOSFETs: performance evaluation using 3D Monte Carlo simulation
In this paper we use numerical simulations to evaluate the performance of III-V Implant-Free Quantum-Well
(IFQW) MOSFET devices that offer simultaneously high channel mobility, high drive current and excellent
electrostatic integrity. Using 3D Monte Carlo simulations we show that to fully understand the performance of
this device architecture, Fermi-Dirac statistics and quantum-corrections must be considered to account for the
impact of low density-of-states and quantum confinement in the channel layer respectively
Inhabitables ciudades dibujadas. Imágenes del mundo urbano en el álbum ilustrado actual
Resumen: El trabajo revisa someramente el concepto de álbum ilustrado y su carácter proteico, multiforme y propio de la postmodernidad y hace un análisis de la imagen de la ciudad en algunos álbumes ilustrados contemporáneos de Anno, Jimmy Liao y especialmente Shaun Tan, autor cuyas creaciones ilustradas presentan una serie de imágenes desconcertantes del mundo urbano.Abstract: The article briefly revises the concept of album book and its postmodern multifaceted and multiform character. It does an analysis of the image of the city in some illustrated contemporary albums of Anno, Jimmy Liao and specially Shaun Tan, author whose illustrated creations present a series of disconcerting images of the urban world
Statistical properties of solutions to the Navier-Stokes equation in the limit of vanishing viscosity
Presents a new approach to the Navier-Stokes turbulence. With the Gaussian soft constraint on the Navier-Stokes equation, the author derives the energy spectrum to be E(k) approximately k^-3 and k^-2 in two and three spatial dimensions respectively. The possible future developments are also pointed out
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