نتایج جستجو برای: studied greenhouses are grouped in low technology greenhouses

تعداد نتایج: 17446801  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ولی عصر (عج) - رفسنجان - دانشکده ریاضی و کامپیوتر 1389

in this thesis we will present three topics. we define approximate fixed points in fuzzy normed spaces. also we obtain some necessary and sufficient conditions on the existence of? -fixed points for ? > 0. at the continue some results about approximate fixed points for a class of non-expansive maps on g-metric spaces are obtained and we define approximate fixed points in partial metric spa...

Journal: :Canadian Journal of Plant Science 1984

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه 1377

‏‎applications such as high definition viedeo reproduction, portable computers, wireless, and multimedia demand, and ever-increasing need for ligh-frequency high-resolution and low-power analog-to-digital converters. flash, two-step flash, and pipeline convertors are fast but consume large amount of power and require large area. to overcome these problems, successive approximation converter blo...

2012
Ahmed M. Abdel-Ghany Ibrahim M. Al-Helal Saeed M. Alzahrani Abdullah A. Alsadon Ilias M. Ali Rabeh M. Elleithy

Cooling greenhouses is essential to provide a suitable environment for plant growth in arid regions characterized by brackish water resources. However, using conventional cooling methods are facing many challenges. Filtering out near infra-red radiation (NIR) at the greenhouse cover can significantly reduce the heating load and can solve the overheating problem of the greenhouse air. This paper...

Journal: :Horticulturae 2021

Countries located in the Mediterranean region share many common features terms of agricultural sustainability and economic realities modern farming, as they are affected by water scarcity, energy use climate suitability. Greenhouses considered a mitigation measure to combat change sustainable production system. The majority greenhouses rudimentary, while those Central North Europe characterized...

B. Morid H. Bayat H. Zamanizadeh P. Khazaeli

Botrytis cinerea is an important pathogen that causes diseases in ornamental crops. In presentresearch several greenhouses of roses located in central region of Iran were surveyed toidentify the Botrytis cinerea. A total of 80 isolates were collected from rose greenhouses incentral region of Iran. Morphological identification was based on characters such asconidiophore and conidial length. Acco...

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

1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...

Journal: :persian journal of acarology 0
soghra seyedizadeh mojtaba ghane-jahromi amin sedaratian-jahromi farid faraji mitox consultants/eurofins

in the present study, for the first time, we document discovery of the predatory mite n. californicus in some rose greenhouses in yasouj, iran. furthermore, variation in spermathecal calyx shape is also discussed.

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