growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

Abstract: Carpet weaving is one of the most ancient and prominent Iranian traditional industries that in rural areas constantly, alongside agriculture, considered as a most important source of income. Contemporary, Especially in the past few decades due to structural changes in the national economy, urbanization growth, industrialization and bureaucracy based on oil revenues caused broad social...

foreign policy takes root from complicated matters. however, this issue may be more truth about armenia. although the new government of armenia is less than 20 years, people of this territory are the first ones who officially accepted christianity. in very past times, these people were a part of great emperors like iran, rome, and byzantium.armenia is regarded as a nation with a privileged hist...

one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...

Evaluation of Land Consolidation Effects on Development of Agriculture in Rural Areas, (Case Study: khoosf District of Birjand) Mahmoud Fallsoleyman Assistant Professor of Geography and Rural Planning, University of Birjand Mahmoud Moradi Assistant Professor of Geography and Rural Planning, Payame Noor University Ameneh Abtahinia Master's Degree of Geography and rural Planning,...

Rural tourism is considered as one of the important parts of the economic activities. This important economic activity in the different views has been taken into consideration. Some know it as a part of the tourism market and some consider it as a policy for rural development. Rural tourism quickly grew in the rural economic and has been the complementary of agricultural activities. The nature ...

the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...