نتایج جستجو برای: century

تعداد نتایج: 112802  

Michael Jonasson Reza Afshari,

Background: Datura stramonium is a poisonous and common flowering plant that is a member of the Solanacae family. Datura poisonings are a rare occurrence in the 21st century, making toxicological information on this plant sparse. Historical information on Datura provides useful information on the clinical symptoms and characteristics of poisonings. This review looks at the state of knowledge on...

ژورنال: زیست شناسی ایران 2020
, , Bahrol Olom, Hoora, Noraee, Saghi,

SARS-CoV-2 is a highly transmissible respiratory virus causing COVID-19, a disease that has become pandemic. It is the biggest public health concern of this century. The sudden emergence of the novel SARS-CoV-2 has rapidly evolved into a pandemic that posed a serious threat to global health and economy Throughout the COVID-19 pandemic, solving immediate problems and preventing problems are two ...

Journal: :هنرهای تجسمی 0
محسن قانونی کارشناسی ارشد مرمت آثار و اشیا فرهنگی و تاریخی، کتابخانه، موزه و مرکز اسناد مجلس شورای اسلامی، تهران مهدی حسینی استاد دانشکده هنرهای تجسمی، دانشگاه هنر، تهران، ایران حمید فرهمند بروجنی عضو هیئت علمی دانشکده مرمت، دانشگاه هنر، اصفهان، ایران

abstract aesthetic viewpoints and philosophical concepts are effective factors which can conduct artistic movements. the impact of philosophical basis on the cultural, social, historical and artistic tendencies is to extent that the mentioned philosophical basis is specified as detailed and separated chapters. among the development and exposition of the philosophical concepts of art area, there...

Journal: Iranian Economic Review 2004

The control problem and Dynamic programming is a powerful tool in economics and management. We review the dynamic programming problem from its beginning up to its present stages. A problem which was involved in physics and mathematics in I 7” century led to a branch of mathematics called calculus of variation which was used in economic, and management at the end of the first quarter of the 20” ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی گرگان - دانشکده مرتع و آبخیزداری و شیلات و محیط زیست 1389

این پژوهش به منظور بررسی اثر مدیریت های مختلف چرا، درو و قرق بر عملکرد، کالیبراسیون و ارزیابی مدل century 4.5 و شبیه سازی تولید، پویایی کربن آلی و نیتروژن در اکوسیستم های مرتعی سارال کردستان انجام شده است. برای انجام این تحقیق مراتع مانگاهول- زردوان، شامل سایت چرا شده (1) و سایت درو شده (2) و مراتع بهارستان، شامل سایت قرق شده (3)، سایت چرا شده (4)، سایت کشت گندم (مرتع تبدیل شده) (5) در نظر گرفت...

Journal: :سیاست 0
محمد توحیدفام

intellectuality and politics have a very close and historical linkage with each other. this article beside the redefinition of intellectuality concept, want to study relationship between these two concept through the six periods of west civilization history: 1) greek-roman period until 5th century, 2) first period of christianity from 5th to 11th centuries, 3) second period of christianity from...

ژورنال: دانش حسابرسی 2021

A review of the internal audit literature over the past century reveals a significant topic variety and thematic diversity, so that a systematic review of these studies is necessary in order to gain a deeper understanding of internal audit research. This research aims to fill the gap in previous review research and in response to the recommendation of Behrend & Eulerich (2019) and aims to ident...

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