نتایج جستجو برای: biomass particle
تعداد نتایج: 236533 فیلتر نتایج به سال:
Size reduction and densification of lignocellulosic biomass feedstock play a crucial role in the preprocessing and supply of biomass. Size reduction is an operation where the size distribution of biomass particles is adapted to a level determined by its final use. The purpose of densification is to increase the bulk and inherent energy density of the biomass feedstock, allowing optimization of ...
6 [1] A major objective of the Indian Ocean Experiment (INDOEX) involves the 7 characterization of the extent and chemical composition of pollution outflow from the 8 Indian Subcontinent during the winter monsoon. During this season, low-level flow 9 from the continent transports pollutants over the Indian Ocean toward the Intertropical 10 Convergence Zone (ITCZ). Traditional standardized aeros...
[1] We present new empirical and mechanistic models for predicting the export of organic carbon out of the surface ocean by sinking particles. To calibrate these models, we have compiled a synthesis of field observations related to ecosystem size structure, primary production and particle export from around the globe. The empirical model captures 61% of the observed variance in the ratio of par...
Atmospheric particulate matter can be strongly affected by smoke from biomass combustion, including wildfires, prescribed burns, and residential wood burning. Molecular source tracer techniques help determine contributions of biomass smoke to particle concentrations if representative source profiles are available. Various wood smoke source profiles have been generated for residential wood burni...
Knowledge of spatial and temporal variations in crop growth is important for crop management and stable crop production for the food security of a country. A combination of crop growth models and remote sensing data is a useful method for monitoring crop growth status and estimating crop yield. The objective of this study was to use spectral-based biomass values generated from spectral indices ...
Use of focussed beam reflectance measurement (FBRM) for monitoring changes in biomass concentration.
The potential of focussed beam reflectance measurement (FBRM) as a tool to monitor changes in biomass concentration was investigated in a number of biological systems. The measurement technique was applied to two morphologically dissimilar plant cell suspension cultures, Morinda citrifolia and Centaurea calcitrapa, to a filamentous bacteria, Streptomyces natalensis, to high density cultures of ...
this study is aimed to identify sources of particulate matter with mean aerodynamic diameterbelow 10 μm (pm10) present in the atmosphere of the metropolitan area of mexico city (mamc), usingsamples obtained from january 1st to june 30th, 2009, analyzed with x-ray spectrometric techniques.minivol samplers were used to collect samples on polycarbonate filters in three sites (north, center, andsou...
(Received: January 8, 2012; Accepted: Februray 8, 2012) Abstract: The power industry is confronting challenges with seemingly conflicting goals. They provide the economy of scale needed to minimize the cost of production. Consumers, including industry, rely on affordable, dependable electrical energy. It’s an important part of our economy and our daily lifestyle. However, reducing emission leve...
A detailed biomass pyrolysis kinetic scheme was assessed in the multiscale simulations of a single-particle pyrolyzer with slow and pilot-scale entrained flow fast pyrolysis. The developed by CRECK group consists 32 reactions 58 species. simulation model developed, where kinetics employed to simulate reactions, one-dimensional particle utilized intraparticle transport phenomena, particle-in-cel...
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