نتایج جستجو برای: tropical countries

تعداد نتایج: 319594  

Corona viruses are large group of viruses that can cause sickness ranging from normal flu to severe respiratory diseases. The new novel corona virus (nCOV-19) or COVID-19 is a new kind of pandemic virus that did not identified before in humans. Global nations have heightened their surveillance in the quick diagnosis of potential cases across the COVID-19. After it had originated in China more c...

Journal: :The Yale Journal of Biology and Medicine 1982
A. B. Sabin

The main challenge of vaccine control of poliomyelitis in the 1980s is in the subtropical and tropical regions of the world where "lameness" surveys in recent years have shown how very high the average annual incidence of paralytic poliomyelitis can be in both rural and urban areas in the absence of epidemics. The procedures by which oral polio vaccine (OPV) rapidly eliminated all or almost all...

2004
CLAUDIA ROMERO GERMÁN I. ANDRADE

Several international conservation organizations (ICOs) created in the developed world to promote conservation in the tropics are now extremely outspoken and powerful, due in large measure to their access to capital. We acknowledge that ICOs have been critical stakeholders in shaping international environmental policies. We also recognize that there have been successful collaborations between I...

E. Widiastuti I. Isroli S. Sugiharto T. Yudiarti

Following the ban of synthetic antibiotics as antimicrobial agents and growth promoters, poultry nutritionists are now trying to find antibiotic substitutes. Agro-industrial by-products are abundant in tropical countries and have been used as the alternatives to conventional feedstuffs in poultry rations. These by-products are also known to contain several bioactive compounds such as oligosacch...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1391

this research is about the political economy of china in central asia. in this research the political & economic interactions affected on chinas political economy in central asia are examined. chinas goal of presence in central asia including political-security, economic and energy goals is described in one part. in another part, the trade relations between china and central asian countries ar...

This paper presents environment friendly refrigerant R290 as a solution to the environmental concerns like depletion of ozone layer and rise in global warming because of wide use of synthetic refrigerants R22 and R134a. The water cooler is the widely used refrigeration application in warm climatic countries. Refrigerant R22 and R134a are predominantly used refrigerants in water cooler refrigera...

Journal: :Bulletin of the World Health Organization 2014
Siddhartha Saha Mandeep Chadha Abdullah Al Mamun Mahmudur Rahman Katharine Sturm-Ramirez Malinee Chittaganpitch Sirima Pattamadilok Sonja J Olsen Ondri Dwi Sampurno Vivi Setiawaty Krisna Nur Andriana Pangesti Gina Samaan Sibounhom Archkhawongs Phengta Vongphrachanh Darouny Phonekeo Andrew Corwin Sok Touch Philippe Buchy Nora Chea Paul Kitsutani Le Quynh Mai Vu Dinh Thiem Raymond Lin Constance Low Chong Chee Kheong Norizah Ismail Mohd Apandi Yusof Amado Tandoc Vito Roque Akhilesh Mishra Ann C Moen Marc-Alain Widdowson Jeffrey Partridge Renu B Lal

OBJECTIVE To characterize influenza seasonality and identify the best time of the year for vaccination against influenza in tropical and subtropical countries of southern and south-eastern Asia that lie north of the equator. METHODS Weekly influenza surveillance data for 2006 to 2011 were obtained from Bangladesh, Cambodia, India, Indonesia, the Lao People's Democratic Republic, Malaysia, the...

2006
Joseph Wright Helene C. Muller-Landau

Deforestation and habitat loss are widely expected to precipitate an extinction crisis among tropical forest species. Humans cause deforestation, and humans living in rural settings have the greatest impact on extant forest area in the tropics. Current human demographic trends, including slowing population growth and intense urbanization, give reason to hope that deforestation will slow, natura...

2006
S. Joseph Wright Helene C. Muller-Landau

Deforestation and habitat loss are widely expected to precipitate an extinction crisis among tropical forest species. Humans cause deforestation, and humans living in rural settings have the greatest impact on extant forest area in the tropics. Current human demographic trends, including slowing population growth and intense urbanization, give reason to hope that deforestation will slow, natura...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید