نتایج جستجو برای: stability study

تعداد نتایج: 4195071  

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

in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده علوم 1370

1- in a search directed to the reaction of compound)23(the cycloaddition reaction of 1,3- diphenylisobenzofurane)14(with p-benzoquinone)19(,followed by addition of cyclopentadiene was carried out.the specific spacial stracture of its ir,nmr,mass spectra. 2- in another attempt the kinetic stability and behavior of compounds)20(and)23(was studied.the main subject of this study was the highly reve...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده علوم 1388

heteropoly acids (hpa) and their salts have advantages as catalysts which make them both economically and environmentally attractive, strong br?nsted acidity, exhibiting fast reversible multi-electron redox transformations under rather mild conditions, very high solubility in polar solvents, fairly high thermal stability in the solid states, and efficient oxidizing ability, so that they are imp...

پایان نامه :0 1390

منطقه ی آسیای مرکزی وقفقاز به عنوان منطقه ای تاریخی و به دلیل دارا بودن ذخایر عظیم هیدرو کربنی از اهمیت ویژه ای برخوردار است. کشورهای این منطقه از عوامل عمده ی بی ثباتی نظیر عوامل جغرافیایی، اقتصادی، امنیتی، اجتماعی و سیاسی رنج می برند. پس از فروپاشی اتحاد جماهیر شوروی کشورهای منطقه از نعمت استقلال ناخواسته ای برخوردار شدند که مشکلات فوق را برای آن ها چندین برابر می کرد. در این روند برخی از این...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده روانشناسی و علوم تربیتی 1388

the aim of this study is investigating the effect of teaching “metacognitive strategies” on the way which scientific information retrieval workes by the using of google scholar searching machine on the students of ms in the psycology & education faculty of allameh tabatabayi university in 2007-2008 academic year. the statistical community was the students of ms in psychology & education facult...

2014
Chi Li C. Li

1.1. Log-K-stability Let (X, J) be a Fano manifold, that is, K−1 X is ample. A basic problem in Kähler geometry is to determine whether (X, J) has a Kähler–Einstein metric (see [22]). The existence problem of Kähler–Einstein metric is a special case of the existence problem of constant scalar curvature Kähler (cscK) metric. For the latter, we fix an ample line bundle L on (X, J). We have the fo...

Journal: :archives of razi institute 2016
a. emadi1 a.m. behrozikhah s. alamian s. soleimani e. hasannia

stability study of biological products plays an important role for determination of product changes in maintenance period and ensuring of safety and efficacy of vaccines. in this research, accelerated and long-term stability study performed for six batches of full and reduced-dose cattle iriba strain brucellosis vaccine that manufactured by razi vaccine and serum research institute as a new vac...

Journal: :iranian journal of pharmaceutical research 0
mohammad sajid ali college of pharmacy, jazan university, jazan, ksa mohammad alam college of pharmacy, jazan university, jazan, ksa nawazish alam department of pharmaceutics, s.b.s college of pharmacy, patti, amritsar, punjab, india masoom siddiqui cadvanced materials research chair, department of chemistry, college of science, king saud university, riyadh 11451, saudi arabia.

benign prostatic hyperplasia (bph) is the most common condition in aging men, associated with lower urinary tract symptoms. it is caused due to the augmented levels of the androgen dihydrotestosterone. dutasteride, a 5α-reductase inhibitor has been recommended for the treatment of bph upon oral administration. however, long term oral administration of dutasteride may cause sexual problem in man...

Journal: :archives of razi institute 0
s. soleimani department of bio bank, quality control management, razi vaccine and serum research institute, karaj, iran

stability studies play a critical role in assuring product quality at all points in the vaccine life cycle and havea major impact on the success of immunization programs worldwide. the purpose of stability study isdetermination of the vaccine quality under the variety of environmental factors and to establish a re-testperiod or a shelf life and recommended storage conditions. in this study thre...

Journal: :Discrete Mathematics 2013
Murat Guzeltepe

In this study, we obtain new classes of linear codes over Hurwitz integers equipped with a new metric. We refer to the metric as Hurwitz metric. The codes with respect to Hurwitz metric use in coded modulation schemes based on quadrature amplitude modulation (QAM)-type constellations, for which neither Hamming metric nor Lee metric. Also, we define decoding algorithms for these codes when up to...

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