نتایج جستجو برای: h leucisculus

تعداد نتایج: 531078  

Journal: :caspian journal of environmental sciences 2012
m daliri

this study was conducted to determine length-weight and length-length relationships, relative condition factor (krel) and fulton?s condition factor (k) for five species including scardinius erythrophtalmus, carassius auratus gibelio, cyprinus carpio, tinca tinca and hemiculter leucisculus belonging to cyprinidae family. fish sampling was carried out by gill net and fyke net in the western regio...

ژورنال: :بوم شناسی آبزیان 0
علیرضا رادخواه alireza radkhah سهیل ایگدری soheil eagderi

این مطالعه به منظور گزارش نخستین حضور گونه تیزکولی (hemiculter leucisculus) و توصیف خصوصیات اندازشی و شمارشی و رابطه طول-وزن و طول-طول آن در رودخانه زرینه رود به اجرا درآمد. در مجموع 77 قطعه ماهی تیزکولی در شهریور ماه 92 از رودخانه زرینه رود صید گردید. تعداد 21 صفت اندازشی و 10 صفت شمارشی مورد بررسی قرار گرفت. دامنه طول کل و وزن کل ماهیان به ترتیب 142-66 میلیمتر و 27/30- 7/1 بود. مقدار ضریب b ب...

2005
Bhaven N. Sampat

∗This research was supported by funding from the Robert Wood Johnson Foundation. Iain Cockburn, Rebecca Eisenberg, Bronwyn Hall, Mark Lemley, Douglas Lichtman, Jean Lanjouw, David Mowery, Richard R. Nelson, Arti Rai, Mark Schankerman, Scott Stern, and Rosemarie Ziedonis provided helpful comments on an earlier draft of this paper. I also benefitted from feedback from participants at the 2004 NBE...

2001
Maite Careaga Scott Gehlbach John Litwack Douglass North Yingyi Qian Rui J. P. de Figueiredo Barry R. Weingast

California, Berkeley; and Senior Fellow, Hoover Institution, and Ward C. Krebs Family Professor and Chair, Department of Political Science, Stanford University. The authors thank Maite Careaga, Scott Gehlbach, John Litwack, Douglass North, Yingyi Qian, and Daniel Treisman for helpful comments. Pathologies of Federalism, Russian Style: Political Institutions and Economic Transition Rui J. P. de ...

2010
Murali Rao

We show there exists a continuous compactly supported function ' de ned on the reals satsifying '(x) = c0'(2x) + c1'(2x 1) + c2'(2x 2) if and only if c1 = 1, c0 + c2 = 1, and jc0j; jc2j < 1. The functions ' are examples of scaling functions from the theory of wavelets. x

2004

Monitoring System has been forthcoming (see March 1996 Colorado Dairy News). Although Colorado was not one of the states sampled. The results on a regional and national basis provide our producers with thoughtprovoking information. The Colorado Dairy News will feature topics from this study in this and future issues. We appreciate the assistance of Dr Scott Wells and his associates at NAHMS wit...

Journal: :MIS Quarterly 1989
Peeter Kirs G. Lawrence Sanders Robert P. Cerveny Daniel Robey

The role of frameworks in information systems has recently received a great deal of critical attention. One prominent indictment, which has been directed at even commonly accepted frameworks, is that they lack empirical support, and in fact are not constructed in operational terminology. This article reports the results of an experimental lab study using MBA students as subjects to investigate ...

2004
Jenna Bednar

To solve problems of compliance, an institutional trigger mechanism is often used. This paper develops a model of two trigger mechanisms and derives conditions where the two institutions may complement one another to improve utility and compliance. When the conditions for optimality do not hold, small changes in institutional structure may create lumpy changes in behavior. Also, the paper explo...

2008
T. Baehr-Jones M. Hochberg Richard Soref

T. Baehr-Jones,* M. Hochberg, Richard Soref, and A. Scherer Department of Applied Physics, California Institute of Technology, 1200 E California Boulevard, Pasadena, California 91125 Air Force Research Laboratory Sensors Directorate, Electromagnetic Technology Division, 80 Scott Drive, Hanscom Air Force Base, Bedford, Massachusetts 01731-2909 E-mail: [email protected] *Corresponding author: ...

2007
DRED SCOTT Louise Weinberg

Dred Scott, without doubt, is the most controversial case in the history of the United States Supreme Court. Unlike the controversies that surround other decisions of the Court, the controversy surrounding Dred Scott does not turn on if the outcome or Chief Justice Taney’s analysis was wrong, but rather on why the outcome and Chief Justice Taney’s analysis were wrong. This article focuses on th...

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