نتایج جستجو برای: the old newsprint

تعداد نتایج: 16089980  

Journal: :Buletin Poltanesa 2021

His study aims to analyze the extent which a mixture of wood waste and used newsprint can be as raw material for making paper.This completely randomized design with two replications. where treatment given is composition between pulp old pulp, each consisting 0 : 100% (A), 30% 70% (B), 50% (C), (D) 0% (E) oven-dry weight per sheet paperThe physical properties paper tested in form tear index, ten...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید مدنی آذربایجان - دانشکده ادبیات و علوم انسانی 1392

when we return to the concept of poetry and the age-old discussion about the uselessness or the usefulness of the poets to the private and public state of human beings, originating from plato and aristotles views about poets respectively, there emerges the question of the role of poetry in human beings lives. in the same manner, with the advance of technology and the daily progress and improvem...

Journal: :JAPAN TAPPI JOURNAL 1999

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده زبانهای خارجی 1393

feminine voice and narratology in wuthering heights wuthering heights as a general "bronte" work has extraordinary dimensions to it which can make it focal to different ways of interpretation. among other differences the issue of narrative voice is essential in understanding the ultimate purpose of wuthering heights. emily bronte uses different narrators from various focal points speaking of m...

2011
Shona Hilton Kate Hunt

BACKGROUND A/H1N1, more commonly referred to as swine flu, emerged in Mexico in spring 2009. It rapidly spread across the world and was classed as a global pandemic on 11 June 2009. OBJECTIVE To analyse UK newsprint coverage of the swine flu pandemic. METHODS Content analysis of 2374 newsprint articles published in eight UK national newspapers between 1 March 2009 and 28 February 2010. RE...

Journal: :JAPAN TAPPI JOURNAL 1994

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

methodology non-native participants in this study were sixty ba students majoring in english literature and teaching english as a foreign language at khayyam university of mashhad. they were senior students, between 21 to 24 years old, who had studied english for at least three and a half years and had passed several courses including grammar, reading, conversation, and writing. this was assum...

Journal: :جنگل و فرآورده های چوب 0
حمیدرضا مهری ایرائی کارشناس ارشد صنایع خمیر و کاغذ، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران علی قاسمیان دانشیار گروه صنایع خمیر و کاغذ، دانشکدۀ مهندسی چوب و کاغذ، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران حسین رسالتی استاد گروه صنایع چوب و کاغذ، دانشکدۀ مهندسی چوب و کاغذ، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران احمدرضا سرائیان دانشیار گروه صنایع خمیر و کاغذ، دانشکدۀ مهندسی چوب و کاغذ، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران ایمان اکبرپور دانشجوی دکتری صنایع خمیر و کاغذ، دانشکدۀ مهندسی چوب و کاغذ، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران

in the present research, the effect of different peroxide charges and reaction times were investigated inhydrogen peroxide bleaching of mixed old newsprint and old magazine deinked pulp. in thebeginning, mixed recycled papers were pulped using conventional method and then deinked byflotation. in addition, deinked pulps (mixture ratio of 70% onp and 30% omg) were bleached withhydrogen peroxide a...

2000
G. Sun Y. Deng

Flotation deinking of old newsprint (ONP) using polydiallyldimethylammonium chloride (polyDADMAC) as the only deinking agent was studied. The results demonstrate that polyDADMAC can neutralize dissolved anionics to form small particles. These small particles, together with ink, filler, and fines, strongly adsorbed onto air bubble surfaces and functioned as particle foaming agents. Therefore, no...

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