نتایج جستجو برای: comparative study after an event
تعداد نتایج: 8745187 فیلتر نتایج به سال:
cancer is one of the three main causes of mortality in most human communities whose prevalence is being increased. a significant part of health budget in all countries has been allocated to treat the cancer, which is incurable in many cases. it has led the global health attitude to cancer prevention. many cancer‑related risk factors have been identified for which preventive recommendations have...
The event study model is a powerful econometric tool used for the purpose of estimating dynamic treatment effects. One its most appealing features that it provides built-in graphical summary results, which can reveal rich patterns behavior. Another value picture estimated pre-event pseudo-“effects,” provide type placebo test. In this essay I aim to framework shared understanding these models. T...
The purpose of this paper is to illustrate and compare some of the existing synthesis methods for discrete event controllers. We do this by means of examples which might provide greater insight on the descriptive power of the methods, and their capabilities for handling various types of speciications.
The extraction of bio-molecular events from text is an important task for a number of domain applications such as pathway construction. Several syntactic parsers have been used in Biomedical Natural Language Processing (BioNLP) applications, and the BioNLP 2009 Shared Task results suggest that incorporation of syntactic analysis is important to achieving state-of-the-art performance. Direct com...
Knowledge of variation in soil properties from each event to another is very important for the determination of critical periods during which soil is susceptible to erosion processes. This study was carried out to investigate soil loss in sequential rainfall events in Zanjan Province. Toward this, ten soil textures samples were taken and were transported to small plots (60 cm×80cm) with 2...
"In 1976, the International Institute for Applied Systems Analysis initiated a study of migration and population distribution patterns in its seventeen member nations. In each country, the analysis was carried out by national scholars using techniques of multiregional demography. In this paper the authors describe the organization of the study, discuss the data bases used, evaluate the main r...
Reproductive-age women were given identically prepared mestranol or ethynylestradiol orally for two consecutive 21 day cycles in doses ranging from 50 to 100 mug per day. Endometrial biopsies were obtained at the end of the second cycle and assessed for estrogenic effect. At these dose levels and with this treatment regimen, no differences could be detected between doses or between drugs, indic...
the purpose of the present study is to compare the changes in b-value parameter using frequency-magnitude distribution for the data before and after the silakhor earthquake by gutenberg-richter relation. the variations of b-values are investigated using broadband iranian national seismic network center (bin). besides, spatial and time variations of the parameters were analyzed. the spatial vari...
abstract listening is a key and main tool in second language skill and its development is of prime concern to teachers and learners. furthermore, the application of technology in language classrooms has become more commonplace in the last fifty years. computer and the internet have made foreign language materials easy to access and use. so, the present study is an attempt to examine the effec...
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