نتایج جستجو برای: ion exchange capacity

تعداد نتایج: 643565  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1386
حبیب مهرپویا, محمدامین حجازی, ابوالقاسم محمدی,

چکیده ندارد.

15 صفحه اول
Journal: :مجله دندانپزشکی 0
نیره رشیدان n. rashidan حسینعلی ماهگلی ha. mahgoli

the major foible of dental ceramics is their brittle nature. therefore, the producers of these materials have focused on the “strength” issue. a method of increasing strength is ion exchange on porcelain surface which leads to formation of a compressive crust that opposing forces should overcome before developing a crack. in current study, ion exchange in two types of porcelain, ceramco ii whic...

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Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2007
hossein faghihian majid vafadar touraj tavakoli

the objective of this research is to find an economically attractive alternative method for hydrodesulfurization of petroleum fractions and to select a suitable adsorbent for this process.deep desulfurization of transportation fuels (gasoline, diesel, and jet fuels) is being mandated by governments and is also needed for future fuel cell applications. however, it is extremely difficult and cost...

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2004
C. I. Steefel

As pointed out by Appelo (1996), multicomponent ion exchange models have not been widely used in geochemical or geochemical transport modeling of subsurface processes, despite their recognized importance in regulating soil and sediment pore water compositions. This is also somewhat surprising considering the demonstrated success of ion exchange models in describing sorption and subsurface trans...

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Journal: The Iranian Journal of Pharmaceutical Research 2014
Changshan Sun, Hongfei liu, Hui Ding, Min Fu, Shuangshuang Shi, Weisan Pan, Xiaomian Zou, Yingshu Feng,

The main objective of this study was to investigate biocompatibility and provide in vivo pharmacological and toxicological evidence for further investigation of the possibility of pH sensitive ion exchange resin microsphere for clinical utilizations. Acute toxicity study and general pharmacological studies were conducted on the pH sensitive ion exchange resin microsphere we prepared. The genera...

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Journal: :Membranes 2021

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Journal: Iranian Journal of Pharmaceutical Research 2014
Changshan Sun, Hongfei liu, Hui Ding, Min Fu, Shuangshuang Shi, Weisan Pan, Xiaomian Zou, Yingshu Feng,

The main objective of this study was to investigate biocompatibility and provide in vivo pharmacological and toxicological evidence for further investigation of the possibility of pH sensitive ion exchange resin microsphere for clinical utilizations. Acute toxicity study and general pharmacological studies were conducted on the pH sensitive ion exchange resin microsphere we prepared. The genera...

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Journal: :iranian journal of pharmaceutical sciences 0
n suresh assistant professor, department of pharmaceutics, sri k.v. college of pharmacy, chickballapur, karnataka, india bs ashok kumar department of pharmacognosy as kiran department of pharmaceutical chemistry n narayana swamy department of pharmaceutical chemistry d sheshadri shaker department of pharmacology, sri k.v. college of pharmacy, chickballapur, karnataka, india kv satish department of pharmaceutics

an oral suspension could a suitable dosage form for the geriatric patients. the calcium alginate coated ion exchange resinate of propranolol hydrochloride were prepared using amberlite ir-120 by solvent evaporation. microcapsules of propranolol hydrochloride resinate were prepared by solvent evaporation technique,the suspensions were prepared by using deionised water as the vehicle. methyl cell...

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ژورنال: مجله علمی دانشگاه علوم پزشکی همدان 2001
رحمانی, علیرضا, شریعت, محمود, محوی, امیرحسین, مصداقی, علیرضا, ناصری, سیمین, واعظی, فروغ,

          Nitrogen compounds are one of the several materials in the    wastewaters and effluents that have harmful effects in water resources. In    different  experiences  , Ion  Exchange (IE)  with  Zeolites  were   used  for    removal of Ammonia-nitrogen. The aim of ...

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ژورنال: مجله دندانپزشکی 1998
رشیدان, نیره , ماهگلی, حسینعلی ,

  The major foible of dental ceramics is their brittle nature. Therefore, the producers of these materials have focused on the “strength” issue. A method of increasing strength is ion exchange on porcelain surface which leads to formation of a compressive crust that opposing forces should overcome before developing a crack. In current study, ion exchange in two types of porcelain, Ceramco II wh...

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