پسیل معمولی پسته،agonoscena pistaciae burckhardt & lauterer ، یکی از مهمترین آفات پسته است که پوره­ها و حشرات کامل از شیره گیاهی تغذیه می­کنند و سبب کاهش رشد، ریزش جوانه­های گل و کاهش محصول می­شوند. توانایی تولید مثل بالا و طول دوره رشدی کوتاه استعداد مقاوم شدن این آفت را در برابر حشره­کش­ها بالا می­برد. در این پژوهش حساسیت جمعیت­های مختلف a. pistaciae به حشره­کش­های آمیتراز و ایمیداکلوپرید...

as some definitions show, idioms are expressions whose meanings cannot be obtained from individual words. in every society, people use their own conceptions and feelings through different idioms and expressions. so every culture and society has their own idioms. some scholars proposed methods for translating idioms but baker’s strategies are very important and constructive. this research tried ...

پسیل پسته (psyllidae :hemiptera) agonoscena pistaciae burckhardt & lauterer، مهمترین آفت درختان پسته ایران محسوب میشود. این آفت به طور گسترده توسط آفتکشها کنترل میشود. با این حال، استفاده بیش از حد از حشره کشهای شیمیایی سبب ایجاد مشکلات زیادی میگردد. کفشدوزکها به عنوان مهمترین دشمنان طبیعی پسیل پسته، در سطح در گســـتردهای در طبیعت فعــــــال هستند. که در این میـــان، کفشــدوزک شــــــکارگرoenop...

the present dissertation aims to investigate four-word lexical bundles in applied linguistics research articles by iranian and internationally-published writers. the aims of this study are two-fold: first of all, attempts have been made to create a comprehensive list of the most commonly used four-word lexical bundles categorized by their type and token frequency, their structural characteristi...

the present study aimed to investigate the possible effects of focused highlighted error feedback on grammatical accuracy of writing among iranian intermediate efl learners. after selecting 52 homogenous participants from among 70 university students attending azad university of rasht and randomly dividing them into two intact groups of 26 students, the researcher exposed the participants of th...

one very decisive factor in students’ academic destiny is the result they get at final term examinations. because of its importance, both students and teachers are curiously anxious about them. as normally it is the case, these final term tests are prepared hurriedly in short time by teachers which result in students’ dissatisfaction, complaining on how the test was different from their expecta...

insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...

the following null hypothesis was proposed: h : there is no significant difference between the use of semantically or communicatively translates scientific texts. to test the null hypothesis, a number of procedures were taken first, two passages were selected form soyrcebooks of food and nutrition industry and gardening deciplines. each, in turn, was following by a number of comprehension quest...

august wilson is undoubtedly one of the rare black playwrights whose works have attracted streams of attention and worldwide audience. the present study aims at analyzing fences and piano lesson which are two of the most successful plays in his pittsburgh cycle from the perspective of michel foucault’s theories and ideas. studying these two plays from foucault’s perspective opens new windows in...

پسیل پسته (agonoscena pistaciae burckhardt & lauterer) یکی از مهم ترین آفات درختان پسته ایران است. امروزه از مدل­های روز- درجه به عنوان یکی از ابزارهای مهم در مدیریت آفات در پیش بینی وضعیت آفات استفاده می شود. مجموع گرمای مؤثر بالاتر از آستانه پایین رشد (oc96/9) و آستانه بالای رشد (oc5/32) برای درصدهای مختلف پورگی پسیل پسته طی سال های 1386 و 1387 محاسبه شد. مجموع گرمای مؤثر از اول بهمن سال های ...