نتایج جستجو برای: the environmental index

تعداد نتایج: 16147273  

Journal: :Journal of the Japanese Society of Revegetation Technology 2005

Journal: :Environmental research communications 2022

Abstract Current environmental indicators assess quality, but no single indicator measures the overall performance of a country, state, or region in an easy and intuitive methodology. This paper provides simple informative known as Comprehensive Environmental Performance Index (CEPI) for 48 Asian countries period from 1996 to 2020. The CEPI represents step toward clarity by combining six differ...

2002
Tanja Srebotnjak

Missing data arise in many situations and pose more than a technical problem to the analyst. Software applications often require complete datasets, but more importantly, incomplete or missing observations may impact on the validity of the statistical analysis. Ad-hoc solutions, such as case or listwise deletion, mean imputation, and simple regression methods can lead to severe bias if the popul...

2016
Martin Täubel Anne M. Karvonen Tiina Reponen Anne Hyvärinen Stephen Vesper Juha Pekkanen C. A. Elkins

The environmental relative moldiness index (ERMI) metric was previously developed to quantify mold contamination in U.S. homes. This study determined the applicability of the ERMI for quantifying mold and moisture damage in Finnish residences. Homes of the LUKAS2 birth cohort in Finland were visually inspected for moisture damage and mold, and vacuumed floor dust samples were collected. An ERMI...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم پایه 1391

food safety is considered as an important world concern. the detection of pathogen and toxic materials in food has an important role in public health care. in recent years, the applications of microbial biosensor have been developed as a new approach for toxicity control. luminescent microbial biosensor is an appropriate biological tool for protection of natural environment. this type of biosen...

Journal: :بوم شناسی کشاورزی 0
سید شهاب الدین معین الدینی اسکندر زند جعفر کامبوزیا عبدالمجید مهدوی دامغانی رضا دیهیم فرد

in the last decades, pesticides have been used extensively, in order to control pests and plant diseases, but negative impacts of pesticides caused several environmental problems and put human health in danger. in order to decrease environmental hazards of pesticide, risk of pesticide application should be measured briefly and precisely. in this study environmental impacts of registered insecti...

Electricity generation in thermal power plants as the largest producer of electricity in Iran is associated with greenhouse gas emissions. In this paper, using the Malmquist-Luenberger method, green productivity, and efficiency changes are measured for 31 thermal power plants (including 12 steam power plants, 13 gas power plants, and six combined cycle power plants) during 2009-2016. The result...

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