Results 11 to 20 of about 1,215,916 (294)

LABORATORY STUDIES OF INCREASING THE ICE-FORMING EFFICIENCY OF PYROTECHNIC COMPOSITIONS BASED ON AD-1

open access: yesНаука. Инновации. Технологии, 2022
Introduction. Currently, silver iodide AgI is one of the most widely used reagents when exposed to supercooled clouds in order to prevent hail and precipitation.
B. Khuchunaev   +2 more
doaj   +1 more source

LABORATORY STUDIES OF THE EFFECT OF THE ELECTRIC FIELD STRENGTH ON THE SPECIFIC CHARGE ON REAGENT PARTICLES FORMED DURING THE SUBLIMATION OF PYROTECHNIC COMPOSITIONS

open access: yesНаука. Инновации. Технологии, 2022
Introduction. Until now, despite the fact that reagents have long been used to control cloudy processes, issues related to the influence of an electric field on their ice-forming properties have not been fully studied.
B. Khuchunaev, S. Gekkieva, A. K. Budaev
doaj   +1 more source

Design, synthesis and antitumor activity of 5-trifluoromethylpyrimidine derivatives as EGFR inhibitors

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2022
A new series of 5-trifluoromethylpyrimidine derivatives were designed and synthesised as EGFR inhibitors. Three tumour cells A549, MCF-7, PC-3 and EGFR kinase were employed to evaluate their biological activities.
Yaqing Zuo   +5 more
doaj   +1 more source

Convenient method for preparing benzyl ethers and esters using 2-benzyloxypyridine

open access: yesBeilstein Journal of Organic Chemistry, 2008
2-Benzyloxy-1-methylpyridinium triflate (1) is emerging as a mild, convenient, and in some cases uniquely effective new reagent for the synthesis of benzyl ethers and esters. This article provides a revised benzyl transfer protocol in which N-methylation
Susana S. Lopez, Gregory B. Dudley
doaj   +1 more source

Production and characterization of Newcastle disease antibody as a reagent to develop a rapid immunodiagnostic test tool [PDF]

open access: yesVeterinary World, 2018
Aim: This research was conducted to produce and characterize ND antibody as reagent candidate to develop a rapid immunodiagnostic test tool. Materials and Methods: Four New Zealand White rabbits were used in this study and divided into two groups ...
Dwi Desmiyeni Putri   +4 more
doaj   +1 more source

Use of Lateral Flow Immunoassay to Characterize SARS-CoV-2 RBD-Specific Antibodies and Their Ability to React with the UK, SA and BR P.1 Variant RBDs

open access: yesDiagnostics, 2021
Identifying anti-spike antibodies that exhibit strong neutralizing activity against current dominant circulating variants, and antibodies that are escaped by these variants, has important implications in the development of therapeutic and diagnostic ...
Enqing Tan   +13 more
doaj   +1 more source

THEORETICAL STUDIES OF THE LEACHING PROCESS OF THE MUDDING ELEMENT IN THE GRAVEL PACKAGE OF THE WELL FILTER USING THE UNIT FOR REVERSE-REAGENT REGENERATION

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2018
During the operation of water wells, their specific production rate is reduced as a result of mechanical, biological and chemical colmatage. The extraction of the mudding element from the filter is complicated by the fact that the deposits cover not only
I. E. Ivanova   +2 more
doaj   +1 more source

REDUCING RESERVOIR PERMEABILITY IN WELLBORE ZONE IN INTERACTION OF INJECTED AND RESERVOIR FLUIDS

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2017
The analysis of the problem of reducing the permeability of the reservoir wellbore zone during hydraulic fracturing as a result of interaction between carrier of proppant (gel), formation fluids (formation water and hydrocarbons) and mechanical ...
N. G. Musakaev, R. R. Akhmetzyanov
doaj   +1 more source

The prognostic potential of fragmented CK18 serum levels in HCC patients reflecting disease progression and overall hepatocyte damage

open access: yesFrontiers in Oncology, 2022
BackgroundFragmented cytokeratin 18 (fCK18) is released from damaged hepatocytes undergoing apoptosis and is recognized as a liver condition biomarker. We have developed a highly sensitive serum fCK18 CLEIA and reported that serum levels of this caspase ...
Akiko Eguchi   +13 more
doaj   +1 more source

The Study on the Reduction of the Viscosity of Transported Heavy Crude Oil by Fe(II) and Fe(III) Complexes with Phthalic Acid [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2019
The coordination compounds of Fe (II) and Fe(III) with phthalic acid were synthesized. The compounds were studied by X-Ray Diffraction (XRD), Differential Thermal Analysis (DTA), and IR spectroscopy.
Vali Hanaga Nurullayev   +2 more
doaj  

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