نتایج جستجو برای: modified surfactant waterflooding

تعداد نتایج: 270720  

Journal: :iranian journal of pharmaceutical sciences 0
babak shokri shahid beheshti university, gc, laser and plasma research institute, tehran, iran, shahid beheshti university, gc, physics department, tehran, iran seyyed iman hosseini shahid beheshti university, gc, laser and plasma research institute, tehran, iran, mehdi sharifian shahid beheshti university, gc, laser and plasma research institute, tehran, iran,

wetability of biocompatible polymers can be improved by plasma surface modification. the purpose of this study was to surface modify an experimental poly (dimethylsiloxane) rubber (pdms) material in order to improve its wetability and biocompatibility. surface properties of the pdms were characterized using contact angles measurement for wetability analysis. samples of experimental silicone rub...

Babak Shokri, Mehdi Sharifian Seyyed Iman Hosseini

      Wetability of biocompatible polymers can be improved by plasma surface modification. The purpose of this study was to surface modify an experimental poly (dimethylsiloxane) rubber (PDMS) material in order to improve its wetability and biocompatibility. Surface properties of the PDMS were characterized using contact angles measurement for wetability analysis. Samples of experimental silico...

2013
Guido Stichtenoth Egbert Herting Mario Rüdiger Andreas Wemhöner

BACKGROUND Exogenous surfactant derived from animal lungs is applied for treatment of surfactant deficiency. By means of its rapid spreading properties, it could transport pharmaceutical agents to the terminal air spaces. The antimicrobial peptide Polymyxin B (PxB) is used as a topical antibiotic for inhalation therapy. Whereas it has been shown that PxB mixed with surfactant is not inhibiting ...

Journal: :Journal of physics 2023

Abstract To explore the flow mechanism of micro-remaining oil during cyclic waterflooding in low-permeability reservoir, displacement effect under conventional and different rounds was investigated by using a micro-visual experiment based on microfluidics model. The produced ratio types micro remaining quantified, major oils that can be applied effectively were analyzed. Moreover, investigated....

Journal: Journal of Nanoanalysis 2019

Three surfactants were selected to modify glassy carbon electrode including sodiumdodecylbenzenesulfonate, Tween 80 and cetyltrimethylammonium bromide. The obtained nano-Au/surfactant/GCEs were characterized with scanning electron microscopy and electrochemicaltechniques. Electrochemical behavior of catechol at the nano-Au/surfactant/GCE was thoroughlyinvestigated for mo...

Drilling fluid is the most important lifeline of the drilling operation, that main task is facilitate the cuttings removal of the drilling. There are varieties of drilling fluids such as sodium bentonite based-drilling fluid is called “mud” and drilling foam or surfactant based-drilling fluid is called “soap”. The present work aims are study on the modified drilling mud properties by using the ...

Background and purpose: Natural Organic Matter (NOM) is precursor of disinfection by-products (DBPs) during chlorination, so removal of NOM from drinking water resources is a necessary task. Due to organophilic properties, Surfactant Modified Zeolite (SMZ) can adsorb more NOM. The aim of this study was to determine and compare the efficiency of NZ and SMZ in removal of Dissolved Organic...

Journal: :British journal of anaesthesia 2001
K Tashiro K Yamada T Konzaki K Yamamoto S Ohmura T Kobayashi Y Suzuki

We have compared the effects of inhalation of aerosolized surfactant on experimental acute respiratory distress syndrome. Escherichia coli endotoxin (55 (SD 20) mg kg(-1)) was injected into the tracheas of 36 adult rats anaesthetized and mechanically ventilated with pure oxygen. When the Pa(O(2)) decreased to 11.3 (3.3) kPa, the animals were randomly subjected to inhalation of aerosolized modif...

Journal: :Materials advances 2021

The optical properties of sulforhodamine B (SRB) hosted in surfactant-modified layered double hydroxide (LDH) are explored using quantum yield efficiencies and temporal variations luminescence. effect the spacer,...

Drilling fluid is the most important lifeline of the drilling operation, that main task is facilitate the cuttings removal of the drilling. There are varieties of drilling fluids such as sodium bentonite based-drilling fluid is called “mud” and drilling foam or surfactant based-drilling fluid is called “soap”. The present work aims are study on the modified drilling mud properties by using the ...

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