نتایج جستجو برای: عمق نوری ذرات aod
تعداد نتایج: 41954 فیلتر نتایج به سال:
Contingency management (CM), the systematic reinforcement of desired behaviors and the withholding of reinforcement or punishment of undesired behaviors, is an effective strategy in the treatment of alcohol and other drug (AOD) use disorders. Animal research provides the conceptual basis for using CM in AOD abuse treatment, and human studies have demonstrated the effectiveness of CM interventio...
Anaplastic oligodendrogliomas (AOD) are rare glial tumors in adults with relative homogeneous clinical, radiological and histological features at the time of diagnosis but dramatically various clinical courses. Studies have identified several molecular abnormalities with clinical or biological relevance to AOD (e.g. t(1;19)(q10;p10), IDH1, IDH2, CIC and FUBP1 mutations).To better characterize t...
The Sensitivity of AOD Retrieval to Aerosol Type and Vertical Distribution over Land with MODIS Data
This study is to evaluate the sensitivity of Aerosol Optical Depth (AOD τ) to aerosol vertical profile and type, using the Moderate Resolution Imaging Spectroradiometer (MODIS) collection 6 algorithm over land. Four experiments were performed, using different aerosol properties including 3 possible non-dust aerosol models and 14 vertical distributions. The algorithm intrinsic uncertainty was in...
We present a new approach to retrieve Aerosol Optical Depth (AOD) from Moderate 15 Resolution Imaging Spectroradiometer (MODIS) over the turbid coastal water. This approach 16 supplements the operational Dark Target (DT) aerosol retrieval algorithm that currently don’t 17 conduct any AOD retrieval in the regions with large water-leaving radiances in the visible spectrum. 18 Over the global coas...
This paper presents two algorithms used to derive Aerosol Optical Depth (AOD) from a synergy of satellite and ground-based observations, as well as aerosol transport model output. The Spinning Enhanced Visible Infrared Radiometer (SEVIRI) instrument on board Meteosat Second Generation (MSG) allows us to monitor aerosol loading over land at high temporal and spatial resolution. We present the al...
در این پژوهش ابتدا اطلاعات سینوپتیکی در دسترس در 11 ایستگاه استان هرمزگان طی سال های 1380 تا 1390 تهیه شده و به بررسی اقلیم منطقه از نظر انواع پدیده های گردوغباری پرداخته شده است. نتیجه نشان می دهد این استا ن عمدتا تحت تاثیر پدیده ی گردوغبار معلق و گردوغبار وزشی است و به ندرت تحت تاثیر پدیدههای توفان گردوغبار و توفان گردوغبار شدید قرار می گیرد. پس از تعیین پدیده های شاخص به بررسی تغییرات کمیت ع...
در این مقاله روشی نوین برای پایش سریع تغییرات دما با استفاده از تصاویر فراصوت b-mode ارائه شده است. در این روش، از وابستگی سرعت صوت به دما استفاده می شود. وابستگی سرعت صوت به دما باعث ایجاد جابه جایی ظاهری ذرات پراکنده ساز می گردد. جابه جایی به وجود آمده را می توان با استفاده از الگوریتم های مختلف جابه جایی سنجی و ردیابی برفک تخمین زد و اندازه گیری نمود. در این کار روش شارش نوری هورن – شانک برا...
The analysis of the spatial–temporal variability and trends of aerosols over China based on∼11 years (February 2000 to December 2010) of Terra-Multiangle Imaging SpectroRadiometer (MISR) Level 3 aerosol products is the focus. The study shows that the MISR aerosol optical depth (AOD) is in good agreement with corresponding AOD from AERONET stations and suggests that MISR aerosol products have hi...
Here we consider spatial associations of monthly average PM and AOD, matched in space, for each of the 12 months of 2004, to supplement the daily and yearly analyses in the main paper. We focus on MODIS and GOES because of the extremely low retrieval availability of MISR, which would require interpolation of AOD values over very large areas with no retrievals. Even after averaging to the month,...
PURPOSE Aortic dissection (AoD) is one of the most common catastrophes involving the aorta. Nevertheless, early diagnosis remains to be a challenge in the Emergency Department (ED), particularly in young individuals. In this study, we attempted to identify the characteristics of acute AoD among young individuals, particular in patients with Marfan syndrome. MATERIALS AND METHODS This was an r...
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