نتایج جستجو برای: plant proliferation

تعداد نتایج: 571506  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران 1379

در این رساله به ارزیابی عملکرد سیستمهای کنترل دیجیتالˆسیستمهای کنترل با نمونه برداری (sampled-data) پرداخته خواهد شد. بطور خاص ، روش pim (نگاشت سیستم ورودی یا plant input mapping) که تکنیکی جدید در طراحی کنترل کننده های دیجیتال با استفاده از طراحی بعمل آمده در زمان پیوسته است ، مورد بررسی دقیق قرار می گیرد. روش نامبرده دارای خاصیت استقنایی پایداری تضمین شده برای کلیه پریودهای نمونه برداری غیرمع...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1388

یکی از مشکلات اساسی در rmmac کلاسیک این است که طراحی سیستماتیک این روش برای plant های ناپایدار امکان پذیر نمی باشد. مشکل اصلی در اینجاست که bpm برای plant های حلقه باز ناپایدار قابل محاسبه نیست. علاوه بر آن، تقسیم سیستماتیک زیرفضای نامعین در rmmac کلاسیک، وابسته به ابزار سنتز µ می باشد و دارای پیچیدگی های نسبتا زیادی است. برای حل مشکلات مذکور، در این تحقیق کنترل تطبیقی مقاوم به روش مدل چندگانه ...

Journal: :iranian journal of basic medical sciences 0
marie saghaeian jazi student research committee, golestan university of medical sciences, gorgan, iran department of molecular medicine, school of advanced technologies in medicine, golestan university of medical sciences, gorgan, iran saeed mohammadi student research committee, golestan university of medical sciences, gorgan, iran department of molecular medicine, school of advanced technologies in medicine, golestan university of medical sciences, gorgan, iran yaghoub yazdani infectious diseases research center and laboratory science research center, golestan university of medical sciences, gorgan, iran sima sedighi joint, bone, and connective tissue research center (jbcrc), golestan university of medical sciences, gorgan, iran

objective(s): t-cell acute lymphoblastic leukemia (t-all) is an aggressive hematologic malignant tumor. administration of chemical compounds influencing apoptosis and t cell development has been discussed as promising novel therapeutic strategies. valproic acid (vpa) as a recently emerged anti-neoplastic histone deacetylase (hdac) inhibitor and pioglitazone (pgz) as a high-affinity peroxisome p...

Journal: :iranian biomedical journal 0
magna carvalho de m. thiele joslei joslei carlos bohn carlos bohn cassiano lima chaiben ana maria trindade grégio maria ângela naval machado antonio adilson soares de lima

background: the health risks of crack cocaine smoking on the oral mucosa has not been widely researched and documented. objective: the purpose of this study was to analyze the proliferative activity of oral epithelial cells exposed to crack cocaine smoke using silver nucleolar organizer region (agnor) staining. methods: oral smears were collected from clinically normal-appearing buccal mucosa b...

Journal: :anatomical sciences journal 0
hooshang rafighdoust organization amaneh mohammadi roushandeh organization shirin darabi department of anatomical sciences, school of medicine, zahehan university of medical sciences, zahedan, iran. motahareh mortazavi organization amir rafighdoust organization

introduction: cardiac glycosides such as digoxin or digitoxin are the natural products that are traditionally used to increase cardiac contractile force in patients with heart failure and cardiac arrhythmias. it has been shown that digoxin can directly inhibit the cell proliferation and lead to cell apoptosis. present study was conducted to analyze the effect of digoxin in the cohorts of mesenc...

Journal: :iranian journal of allergy, asthma and immunology 0
ehsan almasi department of immunology, faculty of medicine, isfahan university of medical sciences, isfahan, iran marjan gharagozloo department of immunology, faculty of medicine, isfahan university of medical sciences, isfahan, iran nahid eskandari department of immunology, faculty of medicine, isfahan university of medical sciences, isfahan, iran afshin almasi clinical research development unit, imam reza hospital, kermanshah university of medical sciences, kermanshah, iran ali mohammad sabzghabaee isfahan clinical toxicology research center, isfahan university of medical sciences, isfahan, iran

silybum marianum, is known to have anti-inflammatory, hepatoprotective and anticarciogenic effects. the aim of this study was to compare effects of silymarin, rapamycin and fk506 on proliferation and apoptosis of human t cells stimulated with con a. peripheral blood mononuclear cells (pbmc) were stimulated with concavalin a  ( con a) (5µg/ml) and then treated with different inhibitors (silymari...

Journal: :archives of razi institute 2016
a. pourahmadi f. esmaili a. zavaran hosseini a. rezaee e. salehi

a purification procedure of pertussis toxin (pt) from submerged culture of bordetella pertussis (b.pertussis) strain 134 using adsorption and affinity chromatography was discussed. the yield of the resulting pt was approximately 37.5mg/l of concentrated culture supernatant. the polypeptide pattern of the purified pt was investigated by sds-page and showed five bands between 11 to 26 kda using l...

Journal: :BMC Complementary and Alternative Medicine 2007
Michael King Kourt Chatelain Dustin Farris Dayne Jensen Jason Pickup Aaron Swapp Susan O'Malley Karl Kingsley

BACKGROUND Despite the recently reported drop in the overall death rate from cancer, the estimated survival rate and number of deaths from oral cancer remain virtually unchanged. Early detection efforts, in combination with strategies for prevention and risk-reduction, have the potential to dramatically improve clinical outcomes. The identification of non-toxic, effective treatments, including ...

Journal: :Aob Plants 2021

Abstract Root competition is a key factor determining plant performance, community structure and ecosystem productivity. To adequately estimate the extent of root proliferation plants in response to neighbours independently nutrient availability, one should use set-up that can simultaneously control for both concentration soil volume at individual level. With mesh-divider design, which was sugg...

Journal: :به زراعی کشاورزی 0
زینب کارآمد کارشناس ارشد باغبانی، گروه باغبانی، دانشکدۀ کشاورزی، دانشگاه آزاد اسلامی واحد شیروان، شیروان، ایران ابراهیم گنجی مقدم استادیار، گروه باغبانی، مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی، مشهد، ایران احمدرضا بلندی استادیار، بخش تحقیقات اصلاح و تهیۀ نهال و بذر، مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی، مشهد، ایران

this study was conducted with the main prupose of investigation the effects of culture medium and the concentration of growth regulators on proliferation rate, rooting and the acclimatization of gisela 6 rootstock at khorasan razavi agriculture and natural resource research center during 2011-2012. in this experiment, the proliferation and rooting were performed in six kinds of culture medium (...

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