نتایج جستجو برای: ar1 models
تعداد نتایج: 908041 فیلتر نتایج به سال:
a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...
aim : the aim of this study was to compare alternatives methods for analysis of zero inflated count data and compare them with simple count models that are used by researchers frequently for such zero inflated data. background : analysis of viral load and risk factors could predict likelihood of achieving sustain virological response (svr). this information is useful to protect a person from ac...
BACKGROUND AND PURPOSE Brain perfusion is disturbed by cerebral arteriovenous malformations (AVMs). Our study was conducted to determine the radiosurgical effects on this disturbed perfusion. METHODS MR perfusion imaging with independent component analysis was performed in five healthy subjects and 19 patients with AVM before and after radiosurgery (every 6 months up to 2 years). Perfusion ma...
Crocidolomia pavonana merupakan salah satu hama penting yang membatasi produksi tanaman kubis. Alternatif pengendalian dengan penggunaan mikrorganisme berpotensi menekan perkembangan ini diantaranya memanfaatkan rizobakteri. Tujuan penelitian adalah untuk mendapatkan isolat rizobakteri virulen terhadap larva C. . Penelitian dilaksanakan di Laboratorium Pengendalian Hayati, Fakultas Pertanian, U...
Purpose This study aims to investigate the association between presence of a corporate social responsibility (CSR) committee and Sustainable Development Goals (SDGs) disclosure, as well moderating role gender diversity in this relation. Design/methodology/approach The sample consists 897 annual observations from 238 firms Argentina, Brazil, Chile, Colombia, Mexico Peru for 2018–2020. data were ...
Finding the best way to optimize the portfolio after Markowitz's 1952 article has always been and will continue to be one of the concerns of activists in the investment management industry. Researchers have come up with different solutions to overcome this problem. The introduction of mathematical models and meta-heuristic models is one of the activities that has influenced portfolio optimizati...
The attenuated strain of Mycobacterium bovis bacille Calmette-Guérin (BCG) is the most widely used vaccine in the world. In most children, inoculation of live BCG vaccine is harmless although it occasionally leads to a benign regional adenitis. In rare cases, however, vaccination causes disseminated BCG infection, which may be lethal. Impaired immunity of the host is generally thought to be the...
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