نتایج جستجو برای: مأموریت grace
تعداد نتایج: 5725 فیلتر نتایج به سال:
The Gravity Recovery and Climate Experiment (GRACE) delivers monthly gravity fields since it was launched in March 2002, which provides a new way to monitor the groundwater storage variations for large regions. In this study, we attempt to apply the GRACE data combined with estimated soil moisture based on the water balance approach to estimate monthly groundwater changes in the western Kansas ...
جمهوری اسلامی ایران بر آن است که با اجرای برنامه های توسعه و رسیدن به اهداف چشم انداز بیست ساله تا سال 1404، جامعه ای مبتنی بر دانایی و کشوری توسعه یافته ایجاد کند. دستیابی به این امر مهم نیازمند مدیریت دانش در دانشگاه ها و مراکز آموزش عالی است. هدف از این تحقیق، بررسی عوامل بنیادی مدیریت دانش در محیط های دانشگاهی بود. یکی از دانشگاه های دولتی تهران با جامعة آماری 383 نفر اعضای هیئت علمی دانشگا...
ساختار LL-SST (Low-Low Satellite-to-Satellite Tracking) اولینبار با پرتاب ماهواره GRACE (Gravity Recovery And Climate Experiment) در 2002 اجرایی شد. برای رسیدن به دقت و حساسیت بیشتر در بازیابی میدان جاذبه زمین در مقیاس جهانی میتوان ساختار LL-SST را با ساختار HL-SST (High-Low Satellite-to-Satellite Tracking)که قبلاً در ماهواره CHAMP (CHAllenging Minisatellite Payload) استفاده شده ترکیب کرد. اخ...
BACKGROUND When acute coronary syndrome (ACS) cannot be ruled out, emergency department (ED) patients with chest pain are admitted for in-hospital observation because of the risk of complications such as arrhythmia and acute heart failure. A study was undertaken to compare the ability of three risk prediction models to identify patients at a very low risk of complications. METHODS 559 consecu...
OBJECTIVE To compare the accuracy of the GRACE score, a strong prognosticator in acute coronary syndrome (ACS) that is calculated using conventional cardiac troponin (cTn) assays, with that calculated with high-sensitivity cTn (hs-cTn) and with the combination of the GRACE score with hs-cTn or B-type natriuretic peptide (BNP). DESIGN Prospective international cohort. Settings University Hospi...
The East China Sea (ECS) is a region with shallow continental shelves and a mixed oceanic circulation system allowing sediments to deposit on its inner shelf, particularly near the estuary of the Yangtze River. The seasonal northward-flowing Taiwan Warm Current and southward-flowing China Coastal Current trap sediments from the Yangtze River, which are accumulated over time at rates of up to a ...
Dr Grace Dammann had devoted decades of her life to the compassionate care of AIDS patients in San Francisco, California, when, on May 21, 2008, a head-on vehicle collision on the Golden Gate Bridge nearly took her life. When she not only survived but came out of a coma with all of her mental faculties intact, Grace, her family, and her doctors agreed it was nothing short of a miracle. Her path...
[1] Two time series of deep ocean bottom pressure records (BPRs) in between the Crozet Islands and Kerguelen are compared with GRACE (Gravity Recovery And Climate Experiment) equivalent water heights. An analysis of the correlation is performed for four time series: 1) monthly averages of the equivalent water height at the Crozet Islands, 2) the same near the Kerguelen Islands, 3) the mean of t...
ساختار ll-sst (low-low satellite-to-satellite tracking) اولین بار با پرتاب ماهواره grace (gravity recovery and climate experiment) در 2002 اجرایی شد. برای رسیدن به دقت و حساسیت بیشتر در بازیابی میدان جاذبه زمین در مقیاس جهانی می توان ساختار ll-sst را با ساختار hl-sst (high-low satellite-to-satellite tracking)که قبلاً در ماهواره champ (challenging minisatellite payload) استفاده شده ترکیب کرد. اخت...
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