نتایج جستجو برای: artificial substrate

تعداد نتایج: 424342  

Journal: :Marine Environmental Research 2021

Seagrass detritus can attract numerous invertebrates as it provides food and substrate within the meadow or in adjacent environments. Nonetheless, several factors could modify invertebrate response to this habitat. In study, we tested if epifaunal colonisation of Zostera noltei was related availability rather than whether colonising assemblages were similar according structural complexity. Litt...

Substrate noise generated by digital circuits on mixed-signal ICs can disturb the sensitiveanalog/RF circuits, such as Low Noise Amplifier (LNA), sharing the same substrate. This paperinvestigates the adverse impact of the substrate noise on a high frequency cascode LNA laid out on alightly doped substrate. By studying the major noise coupling mechanisms, a new and efficientmodeling method is p...

Journal: :iranian journal of pharmaceutical sciences 0
sedigheh joughehdoust islamic azad university, science and research branch, biomedical engineering faculty and young research club, tehran, iran aliasghar behnamghader material and energy research center, tehran, iran abdollah afshar department of material science and engineering, sharif university of technology, tehran, iran

in this investigation, fluor-hydroxyapatite (fha) film was deposited on a titanium substrate by sol-gel method. triethyl phosphite, ammonium fluoride and calcium nitrate in ethanol solutions were used respectively as p, f and ca precursors. typical apatite structures were obtained for all coatings after dipping and subsequent heat treatment at 550, 700 and 800 ºc, the coating layers were invest...

Journal: :نامه انجمن حشره شناسی ایران 0
نسترن صفایی اهواز، ملاثانی، دانشگاه کشاورزی و منابع طبیعی رامین خوزستان، دانشکده کشاورزی، گروه گیاه پزشکی. علی رجب پور اهواز، ملاثانی، دانشگاه کشاورزی و منابع طبیعی رامین خوزستان، دانشکده کشاورزی، گروه گیاه پزشکی. علی اصغر سراج اهواز، دانشگاه شهید چمران اهواز، دانشکده کشاورزی، گروه گیاه پزشکی.

a suitable diet and oviposition substrate are two basic needs for successful mass rearing of orius spp. and this may reduce their production costs. the effect of various foods containing eggs of ephestia kuehniella and sitotroga cerealella with various pollens were investigated on the biological parameters of o. albidipennis in the laboratory. moreover, survival, hatching rate and fecundity of ...

Journal: :journal of artificial intelligence in electrical engineering 2013
roya heidari robab kazemi

in this paper a new uwb textile slot antenna has been designed with high precision. this work aimed to makecloser steps towards real wearability by investigating the possibilities of designing wearable uwb antenna wheretextile materials are used for the substrate as well as the conducting parts of the designed antenna. the antenna iscomposed of three textile layers: the top and bottom are condu...

Journal: :تحقیقات مهندسی کشاورزی 0
پریسا شاهین رخسار عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی استان گلستان کامران داوری استادیار گروه مهندسی آب دانشکده کشاورزی دانشگاه فردوسی مشهد غلامعلی پیوست دانشیار گروه باغبانی دانشکده کشاورزی دانشگاه گیلان بیژن قهرمانیان دانشیار گروه مهندسی آب دانشکده کشاورزی دانشگاه فردوسی مشهد حسین نعمتی استادیار گروه باغبانی دانشکده کشاورزی دانشگاه فردوسی مشهد

this study was conducted to investigate the effects of irrigation frequency and substrates on some parameters of greenhouse tomato (cv. hamra) during 1381-1382 at research greenhouse of agriculture college, in ferdowsi university of mashhad. the experiment was based on split plots in the form of completely randomized design and in four replications. irrigation frequency in three levels of 12, 8...

Journal: :journal of livestock science and technologies 2013
s. yadeghari m. malecky p. zamani m. dehghan-banadaky

the aim of this research was to study the in vitro effect of lavandula officinalis (leo) and origanum vulgare (oeo) essential oils on rumen fermentation using a concentrate type substrate (cts) and roughage type substrate (rts). six mehraban ewes were divided into 2 groups and fed a concentrate type or roughage type diet, and used as rumen fluid donors. each essential oil (eo) was evaluated sep...

2014
Masakatsu Shibasaki Naoya Kumagai

From the synthetic point of view, organic synthesis via catalytic processes offers many benefits. Catalysis frequently obviates the excessive use of the activating reagents and associated tedious purification processes, thereby offering more environmentally benign synthetic processes. Furthermore, the specific activation mode of a catalyst allows for highly chemoselective transformations that a...

2015
Kata Karádi-Kovács Géza Balázs Selmeczy Judit Padisák Dénes Schmera

The aim of this study was to investigate the use and decomposition of reed leaves (Phragmites australis) by aquatic macroinvertebrates in a lake environment (Lake Balaton, Hungary). Natural and artificial leaves were exposed to separate the use of leaves as substrate and as food at different vertical positions. Although we recorded a low density of macroinvertebrates, mixed-effect models showed...

Journal: :Journal of biotechnology 2008
Satoru Kidoaki Takehisa Matsuda

The understanding and realization of directional cell movement towards a harder region of a cell culture substrate surface, so-called mechanotaxis, might provide a solid basis for a functional artificial extracellular matrix, enabling manipulation and elucidation of cell motility. The photolithographic surface microelasticity patterning method was developed for fabricating a cell-adhesive hydro...

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