نتایج جستجو برای: when those acaricides were mixed with stirrup

تعداد نتایج: 10098734  

2011
David J. Hawthorne Galen P. Dively

BACKGROUND Honey bees (Apis mellifera) have recently experienced higher than normal overwintering colony losses. Many factors have been evoked to explain the losses, among which are the presence of residues of pesticides and veterinary products in hives. Multiple residues are present at the same time, though most often in low concentrations so that no single product has yet been associated with...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1392

in this study, the relationship between teachers’ creative and critical thinking skills and their reflectivity in teaching was investigated. to this end, three questions were raised. these questions were intended to determine whether there was a significant relationship between teachers’ creative thinking skills and their reflectivity in teaching; whether there was a significant relationship be...

پایان نامه :0 1374

the following question poped up: is there any relationship between iranian high school efl learners reading comprehension and listening comprehension? then the following null hypothesis (ho) was developed to the test the above, mentioned question. "there is no relationship between high school efl learners reading comprehension and listening comprehension. for nearly 16 weeks, the experimental g...

Journal: :International Journal of Concrete Structures and Materials 2023

Abstract In this study, the efficacy of strengthening reinforced concrete (RC) beams in shear by utilizing high-performance fiber-reinforced (HPFRC) was explored. The achieved epoxy bonding prefabricated HPFRC strips or plates onto beams. were strengthened two different schemes: (i) side (ii) vertical applied at critical sections. behavior configurations compared to non-shear and shear-reinforc...

Journal: :Pharma innovation 2023

Ticks and tick born diseases affect the economics of dairy farm animals. Continuous use acaricides leads to development acaricide resistance in population, order overcome resistance, newer alternatives like herbal extracts can be used as acaricides. The following study is designed evaluate acaricidal efficacy Azadirachta indica, Calotropis gigantea Ricinus communis against R. (Boophilus) microp...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده زبانهای خارجی 1391

the speech act of disagreement has been one of the speech acts that has received the least attention in the field of pragmatics. this study investigates the ways power relations, social distance, formality of the context, gender, and language proficiency (for efl learners) influence disagreement and politeness strategies. the participants of the study were 200 male and female native persian s...

Journal: :American Journal of Public Health 2021

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم تربیتی و روانشناسی 1393

the purpose of this study was to investigate the relationship between teachers’ class management practices with students’ self- regulated learning and academic self-efficacy. in this study relating to the management class, three dimensions, (training management, people management and behavior management) and three style (interventionist, interactionist and non-interventionist) was considered. r...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم انسانی 1389

abstract amino acids are building blocks of proteins, and play a vital role in living beings existence and their functionality. the interaction of these compounds with metal ions is of great importance to biochemists, and chemists, because their functions can be utilized as a model in understanding enzymes mechanism for transport of metal ions to tissues. among twenty essential amino acids w...

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