Waves of dissemination

نویسندگان

چکیده

منابع مشابه

Library and dissemination of health information

Purpose: The aim of this research is to determine the role of public and academic libraries in disseminating of health information and comparing of the two types of libraries with each other. Method: The research method is applied with descriptive-survey. The sample size was determined by using the Morgan table, 379 people. The questionnaires were distributed using Quotas sampling method. ...

متن کامل

Working Effectiveness of Dissemination Channels as Perceived by Potato Growers

A research can also reveal the cooperative effectiveness of agencies such as evaluation will lead to discover the weakness and strengths for further improvement of this program. The present study was designed in 2009 especially to see the effectiveness of the working of agricultural extension staff as perceived by farmers in district Okara-Pakistan. The data were collected with the help of a sp...

متن کامل

Invasion of waves, invasion of thoughts

Abstract Nowadays, as accepted as the era of information or digital, time has changed and has invited all people to a new world in which everybody must define himself. Avoiding from getting benefit from this human progress is useless; Rather, we must know this great technology best and adapt ourselves with its consequences. In fact, in many countries and among many nations there had been peopl...

متن کامل

Determination of sediments diameter using acoustic waves

The use of acoustic waves in researches related to sea water is of most importance among scientists recently. Since these waves are the only waves, transmitted in water with lowest attenuation and high speed, they can be used in many scientific fields. The main goal of this research is to better understand the physics and mechanisms of sound-seabed interaction, including acoustic penetration, p...

متن کامل

Numerical Calculations of Ship Induced Waves

Nowadays, various numerical methods are developed to extend computational fluid dynamics in engineering applications. One of the most useful methods in free surface modeling is Boundary Element Method (BEM). BEM is used to model inviscid fluid flow such as flow around ships. BEM solutions employ surface mesh at all of the boundaries. In order to model the linear free surface, BEM can be modifie...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Nature Reviews Microbiology

سال: 2006

ISSN: 1740-1526,1740-1534

DOI: 10.1038/nrmicro1470