SPERMICIDAL ACTIVITY OF SURFACE-ACTIVE AGENTS [PDF]
Reproduction, 1962 Summary. The spermicidal activities against human spermatozoa of a range of non-ionic, anionic and cationic surface-active agents have been determined with the method of Baker, Ransom & Tynen (1937). Although it has been concluded that surface-tension-lowering properties do not directly influence spermicidal ...
C, HARVEY, R E, STUCKEY
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Studying Transmembrane Pressure, pH and Anionic Surfactant (SDS) Concentration Effects on MEUF Process Performance in Dairy Waste Water Treatment Using Response Surface Methodology Design [PDF]
Pizhūhish va Nuāvarī dar ̒Ulūm va Sanāyi̒-i Ghaz̠āyī, 2019 Surfactants are widely used to improve membrane processes due to their ability to trap toxic, organic compounds and heavy metals in industrial wastewater treatment.
Ali Arasteh Nodeh +2 more
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Amphoteric surface active agents
Grasas y Aceites, 1995 2-[trimethyl ammonium, triethyl ammonium, pyridinium and 2-amino pyridinium] alkanoates, four series of surface active agents containing carbon chain C12, C14, C16 and C18carbon atoms, were prepared.
A.M. F. Eissa
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Hydroxamic acid surface active agents
Grasas y Aceites, 2001 p-Hydroxy phenyloctadecanol and p-hydroxy phenyloctadecanoic acid were used as new precursors for the preparation of surface active hydroxamic acid including different moles of propylene oxide.
M. H.M. Ahmed +2 more
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Comparison of Respiratory Outcomes between Less Invasive Surfactant Administration and the Intubation-Surfactant-Extubation Technique in Premature Infants with Respiratory Distress Syndrome [PDF]
Neonatal Medicine, 2020 Purpose To compare respiratory outcomes between less invasive surfactant administration (LISA) and the intubation-surfactant-extubation (INSURE) technique in premature infants with respiratory distress syndrome (RDS). Methods We performed a retrospective
Hye Seon Kim +7 more
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Decomposition of anionic surface-active agents by soil bacteria [PDF]
, 1959 RESP ...
Skinner, F. A.
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Acta Odontologica Turcica, 2017 Objective: The aim of this in vitro study was to evaluate the effect of addition of various surface-modifying agents to EDTA solution on the bond strength of an epoxy-based sealer to the root canal dentin. Materials and Method: Sixty single-rooted human
Mehmet Burak Güneşer +3 more
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The effect of surfactants on electrochemical hydrogen production [PDF]
شیمی کاربردی روز, 2019 One of the problems of اydrogen production by the electrochemical method is forming and remaining of hydrogen bubbles on the surface of the electrode, which leads to considerable reduction in efficiency of hydrogen generation. The aim of this study is to
Ali Ghaffarinead +3 more
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Comparison of Efficient Ways of Mud Cake Removal from Casing Surface with Traditional and New Agents
Energies, 2021 The tightness of the casing-rock formation interface is one of the most important elements of drilling and cementing jobs. In the absence of the required tightness, there is a risk of gas migration directly to the ground, groundwater or atmosphere.
Marcin Kremieniewski +3 more
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Synthesis of Surface Active Agents. VI.
Journal of Japan Oil Chemists' Society, 1961 The surface activity of the α-substituted higher aliphatic acids was studied. These compounds were prepared by reaction of α-bromo-fatty acid with various compounds, such as sodium hydroxide, N-methyltaurine, monoethanolamine, diethanolamine, glycine, n-butylamine, ethylenediamine, potassium cyanide (The obtained α-cyano-fatty acid was hydrolyzed into ...
Mikio KAWATA, Ryohei ODA, Yoshihiko ITO
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