Results 11 to 20 of about 1,267,460 (349)

GLUCOSE NUCLEATION IN THE PRESENCE OF SURFACE ACTIVE AGENTS [PDF]

open access: yesFoods and Raw Materials, 2018
In the production crystallization of glucose, there are special problems at the nucleation stage, which requires seed crystals. The need for them reaches 10–15% of the weight of the solution, reducing the productivity of equipment.
Khvorova L.S.   +2 more
doaj   +1 more source

Characteristics of increasing displacement efficiency by surface-active polymer flooding for enhancing oil recovery

open access: yesJournal of Petroleum Exploration and Production Technology, 2021
Surface-active polymer is a novel multifunctional active polymer applied for enhancing oil recovery which has both viscosity-increasing ability and surface activity.
Qiannan Yu   +6 more
doaj   +1 more source

Hydroxamic acid surface active agents

open access: yesGrasas 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
doaj   +1 more source

Surface Active Agents: Chemical Types and Applications [PDF]

open access: yes, 1945
Newsletter providing "a lighter, human interest side of the news" from the Boston University Medical ...
Boston University Medical Center   +2 more
core   +1 more source

Effect of EDTA with various surface active agents on the bond strength of an epoxy resin-based sealer to dentin: ex vivo

open access: yesActa 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
doaj   +1 more source

Comparison of Respiratory Outcomes between Less Invasive Surfactant Administration and the Intubation-Surfactant-Extubation Technique in Premature Infants with Respiratory Distress Syndrome [PDF]

open access: yesNeonatal 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
doaj   +1 more source

Synthesis and surface active properties of cationic surface active agents from crude rice bran oil

open access: yesGrasas y Aceites, 1999
Cationic surfactants of 2-hidroxy-3-(2- alkylamidopolyethyl amino) propane-1-triethylammonium hydroxides (ix-xui)a-d were prepared from fatty acids (i)a-d [palmitic, stearic, oleic, linoleic acid] and mixed fatty acids of crude rice bran oil ie [RBO ...
W. I. A. El-Dougdoug
doaj   +1 more source

The effect of surfactants on electrochemical hydrogen production [PDF]

open access: yesشیمی 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
doaj   +1 more source

Comparison of Efficient Ways of Mud Cake Removal from Casing Surface with Traditional and New Agents

open access: yesEnergies, 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
doaj   +1 more source

Development of an injectable PHBV microparticles-GG hydrogel hybrid system for regenerative medicine [PDF]

open access: yes, 2015
Uncontrollable displacements that greatly affect the concentration of active agents at the target tissues are among a major limitation of the use of microparticulate drug delivery systems (DDS). Under this context a biphasic injectable DDS combining poly(
Amaral, Maria H.   +4 more
core   +1 more source

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