نتایج جستجو برای: a dummy variable is added

تعداد نتایج: 14150687  

2012
Alexander Nadel Vadim Ryvchin Ofer Strichman

Preprocessing of CNF formulas is an invaluable technique when attempting to solve large formulas, such as those that model industrial verification problems. Unfortunately, the best combination of preprocessing techniques, which involve variable elimination combined with subsumption, is incompatible with incremental satisfiability. The reason is that soundness is lost if a variable is eliminated...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

throughout this dissertation r is a commutative ring with identity and m is a unitary r-module. in this dissertation we investigate submodules of multiplication , prufer and dedekind modules. we also stat the equivalent conditions for which is ring , wher l is a submodule of afaithful multiplication prufer module. we introduce the concept of integrally closed modules and show that faithful mu...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1389

abstract abstract of thesis (includes summary, goals, execution methods, and results) story “al-obnosat al-bayza” is one of the short stories from “hanna mineh” collection. this story is a selection of lives of some humans during a voyage together, each of them is a symbol of human nature (love, mind, kindness) and examine social, cultural, and political aspects of governing system, and it...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده فنی و مهندسی 1387

abstract biometric access control is an automatic system that intelligently provides the access of special actions to predefined individuals. it may use one or more unique features of humans, like fingerprint, iris, gesture, 2d and 3d face images. 2d face image is one of the important features with useful and reliable information for recognition of individuals and systems based on this ...

Journal: :محیط شناسی 0
هیوا اسدی کیا دانشجوی کارشناسی ارشد اقتصاد کشاورزی دانشکده اقتصاد و توسعه کشاورزی پردیس کشاورزی دانشگاه تهران رضا اویارحسین دانشجوی کارشناسی ارشد اقتصاد کشاورزی دانشکده اقتصاد و توسعه کشاورزی پردیس کشاورزی دانشگاه تهران ایرج صالح دانشیار گروه اقتصاد کشاورزی دانشکده اقتصاد و توسعة کشاورزی پردیس کشاورزی دانشگاه تهران حامد رفیعی دانشجوی دوره دکتری اقتصاد کشاورزی دانشکده اقتصاد و توسعة کشاورزی پردیس کشاورزی دانشگاه تهران سمانه زارع دانشجوی کارشناسی ارشد اقتصاد کشاورزی دانشکده اقتصاد و توسعه کشاورزی پردیس کشاورزی دانشگاه تهران

achieving to sustainable development requires high attention to environmental problems so in this head line, examining the relation between economic growth and environment quality gives us an outlook of optimum economic development. for this purpose, different development programs were investigated. variables used in this model were propagation co2 per capita (as a proxy of pollution ), gdp per...

Sustainability in 19 different Arab countries has been studied through investigating the relationship between economic development and energy consumption. Data collected has been studied as a whole (Total countries data) and as segregated data (Oil exporting and Oil importing countries data) i.e. three categories. The regression model used measures the effect of independent and control variable...

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...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1394

learning english is very popular all over the world nowadays and it is considered a high prestigious language among citizens of different societies. one of the most important materials for learning a new language are textbooks. the debate that whether learning a new language is natural and neutral or ideological and influential on people’s worldviews, has always been of great importance.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1377

chapter one is devoted to a moderate discussion on preliminaries, according to our requirements. chapter two which is based on our work in (24) is devoted introducting weighted semigroups (s, w), and studying some famous function spaces on them, especially the relations between go (s, w) and other function speces are invesigated. in fact this chapter is a complement to (32). one of the main fea...

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