Results 201 to 210 of about 830,081 (261)

Immunosuppression in down syndrome regression disorder: a prospective observational cohort study. [PDF]

Brain Commun
Santoro JD, Kazerooni L, Lucas MC, Yousuf MM, Otey ST, Bouchard S, Frost KC, Nguyen L, Anadani NA, Mahmud A, Manning MA, Rachubinski AL, Kammeyer RM, Patel L, Koster LEA, van Eeghen AM, Spinazzi NA, Franklin C, Quinn EA, Espinosa JM, Rafii MS.   +20 more
europepmc   +1 more source

LINGUISTIC VALIDATION OF SEXUAL EXCITATION SCALE AND SEXUAL INHIBITION SCALE

, 2016
Malavige, L, Wijesekara, P, Jayaratne, S, Sivayogan, S, Kathriarachchi, S, Bancroft, J, Levy, J   +6 more
openaire   +1 more source

International Journal of Corrosion and Scale Inhibition

, 2018
openaire   +1 more source

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Inhibition and dispersion of polyepoxysuccinate as a scale inhibitor

Journal of Environmental Sciences, 2011
The inhibition and dispersion of polyepoxysuccinate (PESA, self-manufactured) to inorganic scale was evaluated by scale static beaker test to CaC03 and Ca3(P04)2, stability test to zinc salt, and dispersion test to ferric oxide. The experimental results demonstrated that PESA functioned excellent scale inhibition to CaC03 and Ca3(P04)2, good stability ...
Xiaohui Zhou
exaly   +3 more sources

A New Look at the Scale Inhibition Mechanisms and Some Refinement of the Scale Inhibition Theory

CORROSION 2021, 2021
Abstract The data on scale inhibition mechanisms are critically analyzed with the emphasis on the published data disparity and controversy. On the grounds of three independent approaches it is demonstrated that foreign background “nanodust” particles have a dramatic impact on antiscalant efficacy.
Maxim Oshchepkov, Konstantin Popov
openaire   +1 more source

Mechanisms of Mineral Scale Inhibition

SPE Production & Facilities, 2002
SummaryAn extensive study of adsorption and desorption isotherms of four phosphonates on barite or calcite are tested for a wide range of solution conditions (0 to 1 M NaCl, 0 to 0.1 M Ca, 0 to 0.33 M sulfate, and 4.6 to 6.4 pH). From these adsorption/desorption observations, it is proposed that the primary driving force for adsorption is related to ...
M. B. Tomson, G. Fu, M. A. Watson, A. T. Kan   +3 more
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Scale Inhibition in Wellbores

Proceedings of University of Tulsa Centennial Petroleum Engineering Symposium, 1994
Abstract Adsorption is considered the primary mechanism of scale inhibitor retention during squeeze treatments of sandstone formations. Steps are often taken to avoid inhibitor precipitation for fear of formation damage. In limestone and dolomite formations, phosphonic acid inhibitors are deliberately allowed to react with the formation ...
Curtis Crowe, S. B. McConnell, J. J. Hinkel, Ken Chapman   +3 more
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Fluorescent-tagged hyper-branched polyester for inhibition of CaSO4 scale and the scale inhibition mechanism

Materials Today Communications, 2020
Abstract A fluorescent-tagged and carboxyl-terminated hyper-branched waterborne polyester (HBP-AP) was prepared and characterized. Acted as CaSO4 scale inhibitor, its application conditions such as the dosage, Ca2+ concentration and pH value, were investigated to optimize the scale inhibition efficiency.
Zhi-jian Zhang, Man-ling Lu, Jun Liu, Hua-lin Chen, Quan-liang Chen, Bin Wang   +5 more
openaire   +1 more source