نتایج جستجو برای: chemical losses
تعداد نتایج: 439381 فیلتر نتایج به سال:
In this work we focus on estimation-based networked predictive control of nonlinear systems. We propose an output feedback controller based on the combination of a high-gain observer with a Lyapunov-based model predictive controller that takes data losses explicitly into account both in the controller design and in the implementation. We provide precise bounds on the data loss sequence such tha...
Closure study between chemical composition and hygroscopic growth of aerosol particles during TORCH2
Measurements of aerosol properties were made in aged polluted and clean background air masses encountered at the North Norfolk (UK) coastline as part of the TORCH2 field campaign in May 2004. Hygroscopic growth factors (GF) at 90% relative humidity (RH) for D0=27–217 nm particles and size-resolved chemical composition were simultaneously measured using a Hygroscopicity Tandem Differential Mobil...
Recent research interest in Karoo tick paralysis and its vector. Ixodes rubicundus, prompted this survey to determine the economic implications of this disease. The survey indicated relatively high losses caused by the condition, identified the stock involved and provided data on the incidence of paralysis and on the control methods employed. Recommendations are made to institute chemical contr...
two types of mineralization including porphyry copper and epithermal gold mineralization have occurred in relation with an intermediate volcano-plutonic complex in masjeddaghi area. different alterations including silica, advanced argillic, intermediate argillic and propylitic have been distinguished in relation with epithermal mineralization, which have a zonal pattern. elemental mass gains an...
A study on radiation losses in conducting polymer nanocomposites, namely La-Co-substituted barium hexaferrite and polyaniline, is presented. The study was performed by means of a vector network analyser, X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy, electron spin resonance spectroscopy and a vibrating sample magnetometer. It is found that the maxi...
Losses due to natural hazards (e.g., earthquakes, hurricanes) and technological hazards (e.g., nuclear waste facilities, chemical spills) are both on the rise. One response to hazard-related losses is migration, with this paper offering a review of research examining the association between migration and environmental hazards. Using examples from both developed and developing regional contexts,...
NCH 4 Revised April 1993 Despite signifi cant progress made over the years, disease is still a major factor limiting corn production in the U.S. Estimates of annual yield losses in corn due to disease range from 7 to 20 percent nationally (Shurtleff, 1980). Using a 12 percent average, that’s nearly 1 billion bushels. Without the development of new hybrids, the losses would easily be more than d...
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