نتایج جستجو برای: bivalve specimens were collected from semeskandeh region

تعداد نتایج: 7331814  

Journal: :Memorias do Instituto Oswaldo Cruz 2000
A L Falcão J D Andrade Filho A Almeida F de S P Brandão Filho

Lutzomyia naftalekatzi, a new phlebotomine sand fly belonging to the L. aragaoi species group, is described from specimens collected in Zona da Mata region of Pernambuco, Brazil.

Journal: :Science 1978
R A Lutz D Jablonski

The shells of the pelagic larvae of bivalve mollusks may be useful as paleoclimatic indicators. An inverse relationship between temperature and maximum size of larval shells within a particular population is reported for a number of Recent species. Changes in the dimensions of the prodissoconch-dissoconch boundary on juvenile specimens may reflect changes in the ambient temperature of marine en...

Journal: :Science 1984
R S Prezant K Chalermwat

Small specimens of the Asiatic bivalve Corbicula c.f. fluminea (Müller) secrete long mucous threads through their exhalent siphons that act as draglines to buoy the animal into a water column. These mucous strands, secreted in response to water current stimuli, are produced by dense accumulations of ctenidial mucocytes and may help in the downstream or interstream dispersal of this rapidly spre...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم 1392

the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...

A. Kamali M. Soltani S. Najjar Lashgari, S. Rezvni Gilkolaei

In this study the genetic diversity of wild Caspian trout (Salmo trutta caspius) in the Sardabroud and Astara Rivers was evaluated using D- Loop region sequencing. For this purpose, 35 specimens of adult Caspian brown trout were collected from these rivers in the Mazandarn and Gilan Provinces in fall and winter 2011. Approximately 3-5 g of soft and fresh fin tissue was isolated and fixed in eth...

Journal: :Journal of environmental sciences 2010
Juan Wang Won-Joon Shim Un-Hynk Yim Narayanan Kannan Donghao Li

To understand nonylphenol (NP) contamination in the northeast coastal environment in China, NP was determined in 19 sediment and 20 bivalve samples collected during November 2005. NP was identified in all sediment samples in the range of 8.8 to 1.0 x 10(3) ng/g dw (dry weight), with an average of 0.12 x 10(3) ng/g dw. Most of the bivalve samples (oysters and mussels) contained detectable amount...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

abstract present research considered to examine and compare shahrray 14 years girls and boys narrative concerning with their responsibilities in this research, statistical society are 14 years girls and boys of shahrry . for performing this research. first, 14 years of 50 boys and 50 girls were selected in accidental method and have filled memati hormaled adolescents responsibility questioner...

Journal: :Acarological studies 2022

Specimens of Leonardiella riccardiana (Leonardi, 1895) are found for the first time in Turkey. One female and one male specimens collected from oak willow habitats Sansa Gorge, Eastern Anatolia Region. Description global distribution species given, also habitus presented.

A.H. Rezakhani H.R. Ferdowsi M.R. Asadi S.J. Mirian

To investigate the prevalence of Cryptosporidium infection in horses, a total of 200 fecal specimens were collected randomly from five farms in Tehran. Samples were taken during a year, 50 specimens each season. Of these specimens, 57 were obtained from Caspian Pony. The presence of oocysts in the samples was confirmed by modified Ziehl-Neelsen staining of direct smears of the fecal material fr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده علوم انسانی 1389

abstract this study aimed at analyzing a corpus of emails gathered from iranian students studying in england. the corpus contained 996 emails that were investigated by employing the framework of chen (2006) to find common patterns in the discourse of these emails. another aim of the study was to find how two request acts (want statements and query preparatory) were used in the emails. the...

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