نتایج جستجو برای: plant protection

تعداد نتایج: 565674  

Journal: :TRENDS IN THE SCIENCES 1999

Journal: :Biotechnology and Genetic Engineering Reviews 2002

2010
Lairong Chen Qingchun Wang Ronghua Ji

Forest pests and diseases is very important to forest because it not only restricts the development of forest, but also causes huge economic. Chemical pesticides control the pests and diseases effectively and pollute environment seriously. How to reduce the amount of pesticide is the research hotspot in the field of plant protection. Forest plant protection machinery is the most important way t...

2015
Wojciech PUSZ Elzbieta PLĄSKOWSKA İsmet YILDIRIM Ryszard WEBER

Wojciech PUSZ, Elzbieta PLĄSKOWSKA, İsmet YILDIRIM*, Ryszard WEBER Department of Plant Protection, Plant Pathology and Mycology Division, Wrocław University of Environmental and Life Sciences, Wroclaw, Poland Department of Plant Protection, Faculty of Agriculture, Çanakkale Onsekiz Mart University, Çanakkale, Turkey Institute of Soil Science and Plant Cultivation, National Research Institute, W...

2006
Chen Liang Jiarong Yang Gábor M. Kovács Orsolya Szentiványi Baodu Li XiangMing Xu Levente Kiss

Plant Protection Department, Laiyang Agricultural College, Chunyang Road, Chengyang, Qingdao, 266109, Shandong Province, PR China Institute of Crop Protection, Northwest Sci-Tech University of Agriculture and Forestry, Yangling, Shaanxi Province, PR China Eötvös Loránd University, Department of Plant Anatomy, H-1117 Budapest, Pázmány Péter sétány 1/C, Hungary Plant Protection Institute of the H...

2006
Francisco Joailton de Lima Claudio Garcia

This text presents a block diagram proposal of protection system for a PWR nuclear power plant. It describes the plant operation, as well as it defines what a protection system is. Some of the main inherent definitions to protection systems are shown and the system operation is explained in a global form. The block diagram proposed for the protection system can be used as a project foundation f...

2011
Luis A. Aguirre

A proper protection system guarantees reliable and safe operation for a geothermal power plant. It is one of the most important factors during system engineering design and must be carefully selected to avoid equipment damage due to failures. The process design should include the selection of a protection scheme as well as adequate main and auxiliary equipment and installation considerations. A...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

2002
Ana Fernandes

This paper offers new insights on a central question in trade and development economics: does increased exposure to foreign competition generate gains in plant productivity? We find that it does. We examine Colombian trade policy from 1977 to 1991, a period during which trade liberalization alternates with increased trade protection in varied ways across industries, to investigate the link betw...

2016
Patrice A. Marchand

Basic Substances are a newly effective category of Plant Protection Product under EC Regulation No 1107/2009. The first approved application of Equisetum arvense L. opened Part C of Implementing Regulation (EU) No 540/2011, which lists the basic substance approved. Although E. arvense was described as a fungicide extract, subsequent applications like chitosan were related to non-biocide molecul...

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