نتایج جستجو برای: biochemical taxonomy

تعداد نتایج: 163149  

ژورنال: :مجله گیاهشناسی ایران 2011
زهرا احمد خان بیگی مسعود شیدایی فریده عطار

مورفومتری و بررسی ویژگیهای گرده در 16 جمعیت از 6 گونه cousinia با استفاده از روشهای آماری یک و چند متغیره انجام گرفت. آزمون anova اختلاف معنی دار گونه های مطالعه شده را در اکثر صفات کمی نشان داد که بیانگر کارایی این دسته از صفات در تفکیک گونه ها از یکدیگر می باشد. دندروگرام های بدست آمده از آنالیز صفات ریختی، جدایی جمعیت هایc. microcephalaرا ازدیگر گونه ها نشان می دهند. همچنین نزدیکی گونه های c...

ژورنال: :مجله گیاهشناسی ایران 2009
نعمت الله راعی نیاکی فریده عطار حسین معروفی

در این مطالعه خصوصیات تشریحی مربوط به پهنک و رگبرگ میانی 14 گونه از جنس شیرخشت cotoneaster که مربوط به دو بخشه cotoneaster و chaenopetalum می باشند مورد مطالعه قرار می گیرد. این گونه ها شامل c. nummularioides  ،c. kotschyi ،c. turcomanicus ،c. multiflorus ،c. nummularius ، c. hissaricus ،c. luristanicus ،c. suavis ،c. morolus ، c. ovatus ،c. discolor ، c. assadii ، c. melanocarpusو c. persicus ...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2010
Abhyudai Singh João P Hespanha

Many protein and mRNA species occur at low molecular counts within cells, and hence are subject to large stochastic fluctuations in copy numbers over time. Development of computationally tractable frameworks for modelling stochastic fluctuations in population counts is essential to understand how noise at the cellular level affects biological function and phenotype. We show that stochastic hybr...

2011
Kristy M. Meyrick

The intent of this article is to examine current taxonomies used to design and deliver Science, Technology, Engineering, and Mathematics (i.e., STEM) curriculum in an effort to attract a greater variety of students to the STEM field of study in the K-12 public school environment. I analyzed specific aspects of STEM-based programs to compare STEM education components to traditional college-prepa...

Journal: :JITE 2007
Dave Oliver Tony Dobele

This paper explores the cognitive difficulty of assessment tasks in six first year computing courses within an Information Technology (IT) degree. This issue is pertinent to Information Technology education for two reasons. Degree level education in any field of study is expected to develop higher order thinking skills. Bloom’s taxonomy is a framework which can be used to identify different lev...

Journal: :Advances in physiology education 2010
E S Prakash K A Narayan K R Sethuraman

One method of grading responses of the descriptive type is by using Structure of Observed Learning Outcomes (SOLO) taxonomy. The basis of this study was the expectation that if students were oriented to SOLO taxonomy, it would provide them an opportunity to understand some of the factors that teachers consider while grading descriptive responses and possibly develop strategies to improve scores...

Journal: :Image--the journal of nursing scholarship 1987
R F Rasch

Article: The Winter 1986 issue of IMAGE contained a timely and much needed critical analysis of NANDA Nursing Diagnosis Taxonomy I. In this article, Porter identifies the major problem of the NANDA Nursing Diagnosis Taxonomy I—its lack of logical consistency. However, her discussion of the problem reflects some general misunderstanding within nursing about the nature or characteristics of taxon...

Journal: :Bacteriological reviews 1966
E Leifson

or neo-Adansonian taxonomy has also created considerable interest. That our conventional taxonomy has many shortcomings is obvious, and the purpose of this paper is to review the history of some areas of conventional taxonomy, to state my personal views for improvements, and to evaluate critically some publications on numerical taxonomy. If this paper is to have an impact for improvement, it se...

2003
Eitan Farchi Yarden Nir-Buchbinder Shmuel Ur

We present and categorize a taxonomy of concurrent bug patterns. We then use the taxonomy to create new timing heuristics for ConTest. Initial industrial experience indicates that these heuristics improve the bug finding ability of ConTest. We also show how concurrent bug patterns can be derived from concurrent design patterns. Further research is required to complete the concurrent bug taxonom...

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