با توجه به رشد بالای جمعیت در جهان و نیاز اطمینان از امنیت غذایی، افزایش تولید واحد سطح محصولات زراعی به‌منزلة راهبردی اساسی حل مسئلة تأمین غذا به‌شمار می‌رود. سوی دیگر، وجود محدودیت زیرکشت پایین‌بودن میانگین عملکرد برخی کشاورزی مانند گندم کشور، محصول می‌تواند راهکاری عملی پاسخ کشور محسوب شود. یکی مهم‌ترین بیماری‌های فوزاریوم است که، نقش پیش‌بینی این بیماری جلوگیری کاهش بهره‌وری محصول، مدل‌هایی...

The aim of this study is to present a thermal human bioclimate analysis of Hungary by means of mapping, useing multiple linear regressions. The present study links geographical information with climatological data in order to generate a spatial distribution of PET values of a region. The distribution of average PET values of seasons are drawn at 1 km resolution. Meteorological data used to draw...

Kentlerdeki dış mekân termal konfor, kentsel ortamlarda artan sıcaklıklar ile daha çok önem kazanmaya başlamıştır. Çalışmada Antalya ili Konyaaltı ilçesinin konfor koşullarının zamansal ve mekansal dağılımının belirlenmesi amaçlanmıştır. Bu amaç doğrultusunda ilk olarak ilçesi yakın çevresindeki meteoroloji gözlem istasyonlarından iklim verileri (sıcaklık, nem, rüzgâr hızı bulutluluk) elde edil...

Regarding the important effects of thermal comfort on residents, especially in hot regions, our study aimed to investigate and determine influence vegetation external conditions Algerian Sahara. In work, we examine determining factors at three points Ksar Ain Madhi by coupling in-situ measurement simulation with Rayman 1.2 software. The measured parameters are air temperature (Ta), relative hum...

The author's objective here is to explain the emergence of chemistry as an integral and distinctive scholarly discipline around 1600. It is clear that during the seventeenth century chemistry grew in strength and independence as a subject of instruction, with the production of an ongoing didactic tradition, even though it is usually held that it did not reach scientific maturity until the end o...

شرایط افروزش و اشتعال سوخت‌های گداخت هسته‌ای در حضور ناخالص­‌ها، یکی از موارد مهمی است که طراحی قرص‌های سوخت باید مورد توجه قرار گیرد. این مقاله اثر ناخالصی هسته سنگین طلا بر کلیه فرایندهای احتراق پلاسمای غیرتعادلی دوتریم- تریتیم مدل چهار دمایی آن شکل تابع توزیع انرژی رفتار فوتون‌ها تأثیر می‌گذارد بررسی گرفته است. مطالعه شامل اثرات منفی سوخت، طول زمان تشکیل لکه داغ نتایج محاسبات عددی به­ دست آم...

According to existing research, the replication origins (ORI) of certain viruses are located in DNA regions especially rich of repetitive sequences. Based on this observation, statistical methods for identifying likely sites of ORIs have been developed. In this presentation, some new relevant features, not associated with repetitive structures, are introduced. Then, Support Vector Machines (SVM...

A survey of 2 006 U.S. adults last year revealed that 48 % believe the earliest humans lived at the time of the dinosaurs. This survey is often cited as evidence of Americans’ dismal understanding of science. But earlier this year, a television program from the National Broadcasting Company (NBC) told those muddled masses that they could well be right. The program, called The Mysterious Origins...