نتایج جستجو برای: scientific effectiveness

تعداد نتایج: 680610  

Journal: :Land 2022

Protected areas (PAs) aim to safeguard biodiversity and ecosystem services in the long term. Despite remarkable growth area covered by PAs recent years, trends still show worrisome outcomes. Here, we conducted a systematic literature review (SLR) of scientific articles focusing on ecological effectiveness that were published 2010–2019 decade using Scopus order latest publication research field....

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2021

Significance Contact tracing constitutes the backbone of nonpharmaceutical public interventions against COVID-19, as it did with previous pandemics. Experts argue that its importance rises again vaccination rates increase and spread COVID-19 slows, which makes individual cases possible. However, because randomized experiments on contact are infeasible, causal evidence about effectiveness is mis...

Journal: :DEStech Transactions on Social Science, Education and Human Science 2017

  Background : This study aimed to assess the effect of new package of interventions on scientific productions rate in ShahidBeheshti University of Medical Sciences.   Methods : Through a health system research, we extracted policies from the strategic plan of the university and 10 interventions were developed to increase the scientific productions in terms of quality, quantity and commercializ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

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...

2012
Thomas Zane

Pseudoscientific treatments are those that have little to no empirical evidence of effectiveness, yet are portrayed as having roots in science. One characteristic of most fad treatments is the use of scientific jargon to make the treatment appear more scientific than it actually is and thus appear to be supported by more evidence than it actually does. For example, advertisements for countless ...

2001
Claus Bartels

The purpose of this study was to evaluate the amount and quality of scientific evidence supporting principles that are currently applied for cardiopulmonary bypass (CPB) performance. The scientific data concerning the effectiveness and safety of key principles of cardiopulmonary bypass is insufficient in both amount and quality to serve as a basis for practical, evidence-based guidelines.

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