نتایج جستجو برای: 05 and 085 m depths

تعداد نتایج: 16929758  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...

ژورنال: :زیست شناسی ایران 0

در این مطالعه microcyclops varicans ازآبهای شیرین اطراف زاینده رود جمع آوری گردید و پس از شناسایی، خالص سازی شده و مورد انبوه سازی در شرایط آزمایشگاهی قرار گرفت. رشد و تولید درجمعیت m. varicans بر اساس سه نوع جیره غذایی شامل پارامسی، مخمر نان و کنسانتره ماهی بررسی گردید. شرایط کشت شامل درجه حرارت آب 25 درجه سانتی گراد، ph آب 8/7-5/7 ،آب شیرین فیلترشده و اتوکلاوه شده، دوره روشنایی و تاریکی 12:12...

2018
Bo Zhang Xiaopeng Gao Lei Li Yan Lu Muhammad Shareef Caibian Huang Guojun Liu Dongwei Gui Fanjiang Zeng

Ecological stoichiometry is an important aspect in the analysis of the changes in ecological system composition, structure, and function and understanding of plant adaptation in habitats. Leaf carbon (C), nitrogen (N), and phosphorus (P) concentrations in desert phreatophytes can be affected by different depths of groundwater through its effect on the adsorption and utilization of nutrient and ...

1998
A. Navin D. Bazin B. A. Brown B. Davids G. Gervais T. Glasmacher K. Govaert P. G. Hansen M. Hellström R. W. Ibbotson V. Maddalena B. Pritychenko H. Scheit B. M. Sherrill M. Steiner J. A. Tostevin

A. Navin,1,2 D. Bazin,1 B. A. Brown,1,3 B. Davids,1,3 G. Gervais,1,3,* T. Glasmacher,1,3 K. Govaert,1 P. G. Hansen,1,3 M. Hellström,4 R. W. Ibbotson,1 V. Maddalena,1,3 B. Pritychenko,1,3 H. Scheit,1,3 B. M. Sherrill,1,3 M. Steiner,1 J. A. Tostevin,5 and J. Yurkon1 1National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 2Nuclear Physics Division, B...

2009
Y. Su P. Link A. Schneidewind Th. Wolf P. Adelmann Y. Xiao M. Meven R. Mittal M. Rotter D. Johrendt

Y. Su,1,* P. Link,2 A. Schneidewind,3 Th. Wolf,4 P. Adelmann,4 Y. Xiao,5 M. Meven,2 R. Mittal,1,6 M. Rotter,7 D. Johrendt,7 Th. Brueckel,1,5 and M. Loewenhaupt3 1Juelich Centre for Neutron Science, IFF, Forschungszentrum Juelich, Outstation at FRM II, Lichtenbergstrasse 1, D-85747 Garching, Germany 2FRM II, Technische Universitaet Muenchen, Lichtenbergstrasse 1, D-85747 Garching, Germany 3Insti...

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

some new water-soluble schiff base complexes of na2[m(5-so3-1,2-salophen)].nh2o; (5-so3-1,2-salophen = n,n’-bis(5-sulphosalicyliden)-1,2-phenylendiamine); na2[m(5-so3-2,3-salpyr)(h2o)n].2h2o; (5-so3-2,3-salpyr = n,n’-bis(5-sulphosalicyliden)-2,3-diaminopyridine); and na2[m(5-so3-3,4-salbenz)(h2o)n].nh2o; (5-so3-3,4-salbenz = n,n’-bis(5-sulphosalicyliden)-3,4-diaminobenzophenon); where m = cu, n...

2018
Toshitaka GAMO Kiminori SHITASHIMA

Vertical profiles of potential temperature, salinity, and some chemical components were obtained at a trench station (29°05'N, 142°51'E; depth = 9768 m) in the Izu-Ogasawara (Bonin) Trench in 1984 and 1994 to characterize the hadal waters below ∼6000 m depth. We compared portions of both the 1984 and 1994 profiles with nearby data obtained between 1976 and 2013. Results demonstrated that the ha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

chapter two presents three m-admissible function algebras ab, bd, and sl, to construct the universal abelian, band, and semilattice compactifications, respectively. the main results are (11.3), (12.3), and (12.4). some inclusion relationships between these function algebras and the other well-known ones, presented in section 8, are made via the devico of compactifications. chpter three is about...

Journal: :Environmental monitoring and assessment 2007
K A Jayaraj K V Jayalakshmi K Saraladevi

The paper deals with the standing stock of macrobenthic infauna and associated environmental factors influencing the benthic community in the shelf region of the northwest Indian coast. The data were collected onboard FORV Sagar Sampada during the winter monsoon (January-February, 2003) to understand the community structure and the factors influencing the benthic distribution. The environmental...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1389

one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...

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