نتایج جستجو برای: effective factors on fertility

تعداد نتایج: 9146116  

پایان نامه :دانشگاه آزاد اسلامی واحد کرمانشاه - پژوهشکده زبان و گویش 1393

abstract the purpose of this study is twofold: on the one hand, it is intended to see what kind of noticing-the –gap activity (teacher generated vs. learner generated) is more efficient in teaching l2 grammar in classroom language learning. on the other hand, it is an attempt to determine which approach of the noticing-the-gap- activity is more effective in the long- term retention of grammar...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1390

the purpose of the present study was to see which one of the two instruction-processing instruction (pi) and meaningful output based instruction (mobi) accompanied with prompt and recast- is more effective on efl learners’ writing accuracy. in order to homogenize the participants in term of language proficiency a preliminary english test (pet) was administrated between 74 intermediate students ...

Journal: :The Journal of Japan Institute of Navigation 1972

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و زبانهای خارجی 1390

the frame semantic theory is a nascent approach in the area of translation studies which goes beyond the linguistic barriers and helps us to incorporate cognitive and cultural factors to the study of translation. based on rojos analytical model (2002b), which centered in the frames or knowledge structures activated in the text, the present research explores the various translation problems that...

Journal: :Human reproduction 2010
L Bunting J Boivin

BACKGROUND The aim of our research was to create a fertility status awareness tool (FertiSTAT) that would enable women to gain personalized guidance about reducing risks to their fertility and seeking timely fertility medical advice based on their own lifestyle and reproductive profile. METHODS Independent risk factors associated with female fertility impairment were identified. Associations ...

Journal: :Animal : an international journal of animal bioscience 2008
D C Wathes J S Brickell N E Bourne A Swali Z Cheng

The average dairy cow survives only three lactations, reducing the availability of replacement heifers. Prenatal losses occur due to early embryonic mortality (about 40%), later embryo loss (up to 20% in high-yielding herds) or abortion (about 5%). A recent survey of 19 UK herds showed that 7.9% of calves were born dead and 3.4% died within 1 month. During the rearing phase, 6.7% of animals wer...

Journal: :Reproduction, nutrition, developpement 1988
J A Blaquier M S Cameo P S Cuasnicú M F Gonzalez Echeverría L Piñeiro J G Tezón M H Vazquez

ژورنال: علوم آب و خاک 2019

In the face of rapid growth of the population and the need for food production sectors, one of the ways to achieve this is to increase the production per unit area. In modern agriculture, the preparation of soil fertility map seems to be necessary to plan for appropriate use of fertilizers for crops. This study was conducted to prepare a distinct map for evaluating the soil fertility according ...

آرادمهر, مریم, آزموده, الهام, براتی فر, سعیده, بهنام, هانیه,

Background & aim: In past few decades, the reduction of fertility rate in the country is a major concern for planners and population politicians. Therefore, the factors affecting fertility behavior should be understood. This study aimed to determine the relationship between gender preferences, birth interval and sex composition on fertility behavior of females referring to health care centers i...

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