نتایج جستجو برای: viscometric degree of polymerization

تعداد نتایج: 21171127  

Journal: :علوم و تکنولوژی پلیمر 0
علیرضا شاکری احسان کبیری سید ضیاءالدین حسینی

this research was performed to study the effect of murray red gum tree age (4, 6, 8 years) on the chemical components, viscosity and the cellulose degree of polymerization. the eucalyptus trees were cut at the ages of 4, 6, and 8 from hand planted forests. the contents of cellulose, hemicellulose, lignin, extractives and ash for each age were then determined. the results show that with increasi...

Journal: :Blood 1984
G D Wenger S P Balcerzak

The rates of polymerization and depolymerization of identical concentrated deoxygenated hemoglobin S (HbS) solutions following a rapid temperature change were examined by several methods. Two of these methods measured viscosity changes in either gently agitated (AGT) or nonagitated (NAGT) samples. The third method utilized a change in turbidity at 735 nm (SDT). By all three methods, a delay per...

Journal: :journal of agricultural science and technology 0
a. khosravi department of animal and poultry nutrition, faculty of animal sciences, gorgan university of agricultural sciences and natural resources, gorgan, islamic republic of iran. f. boldaji department of animal and poultry nutrition, faculty of animal sciences, gorgan university of agricultural sciences and natural resources, gorgan, islamic republic of iran. b. dastar department of animal and poultry nutrition, faculty of animal sciences, gorgan university of agricultural sciences and natural resources, gorgan, islamic republic of iran. m. a. karimi torshizi department of poultry science, faculty of agriculture, tarbiat modares university, tehran, islamic republic of iran.

this experiment was conducted to determine the potential synergistic relationship between enterococcus faecium and fructans with different average degree of polymerization (dpav) including oligofructose (of, dpav 4), standard-inulin (st-inulin, dpav 10), synergy1-inulin (syn1-inulin, dpav 15) and high-polymer inulin (hp-inulin, dpav 25). a sterilized minimal mrs broth media was prepared by omis...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1390

this study was designed and conducted to find out if there is any significant relationship between iranian efl learners preferance for one of the three degrees of obtrusiveness in foreign language instruction (focus on form, forms and meaning) and their preferred experiential learing style. to collect the data two questionnaires were used. the first one on the degree of obtrusiveness and the se...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد مرودشت - دانشکده علوم تربیتی و روانشناسی 1393

type text or a website address or translate a document. abstract liquidity is considered the most important aspect of the development of stock markets. the main objective of this study was to evaluate the effect of the quality of financial information provided to replace its financial statements nmvdh and shrkt hayy that the liquidity of the shares on the tehran stock exchange is between the ...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1392

in this study, the relationship between teachers’ creative and critical thinking skills and their reflectivity in teaching was investigated. to this end, three questions were raised. these questions were intended to determine whether there was a significant relationship between teachers’ creative thinking skills and their reflectivity in teaching; whether there was a significant relationship be...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1376

‏‎‏‎utopia has, for four centuries, accompanied that hope of progress and that striving for betterment. it now straggles against a widespread sense that this has been an illusion, or an impossible dream. the utopian idea can never entirely disappear, but utopia as a form of the social imagination has clearly weakened. if it cannot instill its vision in the public consciousness, the consequences...

Journal: :journal of dentistry, shiraz university of medical sciences 0
maryam hoorizad ganjkar member of dental material research centure, islamic azad university, dental branch, tehran, iran islamic azad university, dental branch, tehran, iran. haleh heshmat member of dental material research centure, islamic azad university, dental branch, tehran, iran islamic azad university, dental branch, tehran, iran. reza hassan ahangari postgraduate student, dept. of operative dentistry, islamic azad university, dental branch, tehran, iran.

statement of the problem: increasing the thickness of the veneering porcelain may affect the polymerization of resin cements. incomplete polymerization of resin cements can lead to compromised quality of restoration and decrease the longevity of indirect restorations. purpose: this study sought to assess the effect of ips empress porcelain thickness on the degree of conversion of light-cure and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - پژوهشکده زبانشناسی 1389

a professional is someone whose work involves performing a certain function with some degree of expertise. but a narrower definition limits the term to apply to people such as teachers and doctors, whose expertise involves not only skill and knowledge but also the exercise of highly sophisticated judgment, and whose accreditation necessitates extensive study, often university-based as well as p...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1389

this study purported to compare and contrast the use of self-mention and evidentials as two mtadiscourse features in opinion columns of persian and english newspapers. the theoretical basis of this study is the idea that metadiscourse features vary across cultural boundaries. for this purpose, 150 persian and 150 english opinion columns were collected based on three factors of topic, audience a...

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