Building structures thermal calculation by A. V. Maistrenko

“…The work objective is to develop a method for three-dimensional finite element calculation of the non-stationary heating mode of a complexshaped composite structure.Materials and Methods. …”
Get full text

Research Influence оf Nitrogen оn Formation Condensate Loss During the Development оf the Chayandinskoye Field by R. K. Dobrolyubova, E. I. Inyakina, I. I. Krasnov

“…Field gas condensate studies were carried out by specialists from OOO Gazprom VNIIGAZ and VostSibNIIGGiMS [7]. The composition of the reservoir gas condensate system was determined based on the content and volumes of separation gas and unstable condensate sampled in the same separation mode, in which the condensate yield (CGR) was determined [8]. …”
Get full text

Collapse Behaviour of a Concrete-Filled Steel Tubular Column Steel Beam Frame under Impact Loading by Lian Song, Hao Hu, Jian He, Xu Chen, Xi Tu

“…The progressive collapse of a concrete-filled steel tubular (CFST) frame structure is studied subjected to impact loading of vehicle by the finite-element software ABAQUS, in the direct simulation method (DS) and alternate path method (AP), respectively. …”
Get full text

Comparison of Bond Strength in the Different Class of Resin Cements to Cast and CAD/CAM Co-Cr Alloys by Leyla Sadighpour, Azam S. Mostafavi, Maryam Pirmoradian, Fatemeh Alipuryalda

“…This study aimed to evaluate the microshear bond strength (μSBS) between cobalt-chrome (Co-Cr) alloys fabricated using casting or CAD/CAM methods with three types of resin cements. Materials and Methods. …”
Get full text

Physico-Chemical Properties of Granular Sorbents Based on Natural Bentonite Modified by Polyhydroxocations of Aluminum and Iron (III) by Co-Precipitation by Bakytgul Kussainova, Gaukhar Tazhkenova, Ivan Kazarinov, Marina Burashnikova, Raigul Ramazanova, Yelena Ivashchenko, Bekzat Saurbayeva, Batima Tantybayeva, Ainur Seitkan, Gulsim Matniyazova, Khalipa Sadiyeva, Aisha Nurlybayeva, Aidana Bazarkhankyzy

“…It was found that modification of natural bentonite with iron (III) polyhydroxocations (mod. 1_Fe_5 GA) and aluminum (III) (mod. 1_Al_5 GA) by the “co-precipitation” method leads to a change in their chemical composition, structure, and sorption properties. …”
Get full text

Brazilian Adolescents Infected by HIV: Epidemiologic Characteristics and Adherence to Treatment by Julia K.C. Machado, Maria J. C. Sant'Anna, Veronica Coates, Flavia J. Almeida, Eitan N. Berezin, Hatim A. Omar

“…This retrospective study sets forth epidemiological and treatment characteristics of 46 HIV-infected adolescents followed in a specialized university service relating said characteristics to therapy adherence assessed through a combination of three indirect methods. Therapy adherence did not reveal any association with either epidemiologic characteristics regarding age, sex, school level, household composition, age at diagnosis, mode of infection, knowledge of diagnosis, treatment time, or initial antiretroviral scheme. …”
Get full text

Temporin A and Bombinin H2 Antimicrobial Peptides Exhibit Selective Cytotoxicity to Lung Cancer Cells by Lucy Swithenbank, Phillipa Cox, Llinos G. Harris, Edward Dudley, Kathryn Sinclair, Paul Lewis, Floriana Cappiello, Claire Morgan

“…Cell membrane profiling showed the phospholipid composition of normal epithelial cell line Beas-2B to be divergent from the cancerous cell lines. …”
Get full text

Comparative Characteristics of Corneal Confocal Microscopy after UV-A Cross-linking with Different Riboflavin Solutions in Experiment by M. M. Bikbov, A. R. Khalimov, E. L. Usubov, G. Kh. Zainutdinova, I. D. Valishin, L. I. Gilemzyanova

“…., 2003) has acquired many modifications, in which the composition of the applied agents or modes of CXL procedure have been changed. …”
Get full text

A 10‐Year Longitudinal Study of Muscle Morphology and Performance in Masters Sprinters by P. W. Hendrickse, B. Hutz, M. T. Korhonen, H. Degens

“…Results FCSA, fibre‐type composition, capillarisation and VL thickness had not changed significantly after 10 years. …”
Get full text

Development of technology and development of production of reinforcement no. 6 of strength class A500S form 2f in coils according to the requirements of GOST 34028–2016 by S. A. Savchenko, S. M. Volosovich, A. A. Kuchkov, I. V. Astapenko, A. B. Sychkov

“…The chemical composition of steel was proposed and modes of thermomechanical hardening of reinforcement with rolling heating were developed, providing high consumer properties. …”
Get full text

A Study of the Flexural Performance of Fiber-Reinforced Anchored Shotcrete Single-Layer Lining in a Hard Rock Tunnel Based on the Thickness Ratio by Mengjun Wu, Zuliang Zhong, Miao Xu, Xuebing Hu, Kaixin Zhu, Peng Cao

“…Layered construction affects the failure mode of the specimens. All specimens exhibit mixed-mode failure. …”
Get full text

Corrosion characteristic of multi-ring shield tunnel containing rubber concrete invert-filling under direct stray current by Shuo Yu, Hao Jin, Liangjie Gu, Peng Gui

“…Stray current can cause corrosion of underground structural rebar, adding rubber particles to the invert-filling concrete is an effective prevent method to reduce stray current corrosion. In our research, the corrosion calculation model of multi-ring shield tunnel containing rubber concrete invert-filling was established, the coupling analysis of electric field and chemical field in composite structures was realized through mesoscale simulations, and the accuracy of calculation model was verified by full-scale test. …”
Get full text

MODELING OF THE PROCESS OF CUTTING MINERAL GROUNDS BY PASSIVE WORKING DRAWNER DURING THE CONSTRUCTION OF CLOSED DRAINAGE by E. Z. Batmanov, T. G. Gasanov, M. R. Guseynov

“…The study of the process of cutting mineral soils with narrow, deep knives on an electronic model makes it possible, at the design stage, to evaluate the effect of changes in various factors and parameters on the operating modes of the drainage machine; if necessary, make changes to the complex of works on the construction of drainage using the trenchless method with the help of the BDM-300 bed-draining machine, as well as to determine the composition and duration of the work operations of the trench-free bed-draining machine.…”
Get full text

Measuring. Monitoring. Management. Control by A.S. Efremov, L.V. Lukichev

“…The purpose of the work is to develop a set of models for the construction аnd functioning of a departmental system of verification bodies, which takes into account the main structural and functional parameters of the system of verification bodies. Materials and methods. The article considers a set of models for the construction and operation of a departmental system of verification bodies, which consists of a number of models: the work distribution model allows one to describe the distribution of verification works in the established stationary mode of operation of the serviced objects and verification bodies; the network planning model allows one to describe the distribution of works in time, and the duration of work on servicing applications; the transport model allows one to describe the planning of methods and routes for delivering batches of measuring instruments to verificationdepartments, or the routes of movement of mobile verification laboratories; the system functioning model allows one to describe the processes of performing verification works in a territorially distributed departmental system of verification bodies with various options for constructing the system, distributing and organizing works; the model of expenses and incomes allows one to describe the processes of resource expenditure with various options for constructing verification bodies and organizing works. …”

Determination of Phytotechnological Parameters of the Dense Extract from Peach (<i>Persica vulgaris</i>) Leaves by E. I. Molokhova, L. V. Ivantsova, V. D. Belonogova

“…The obtained values of the fractional composition and volume characteristics indicate the expediency of using the maceration method in plant raw materials extraction. …”
Get full text

Preparation and properties of phosphor coating based on nanostructured yttrium-aluminum garnet and low-melting glass by O. V. Uretskaya, N. E. Drobyshevskaya, E. N. Poddenezhny, A. I. Kravchenko, T. N. Savkova

“…The modes of synthesis, structural and spectral-luminescent characteristics of the nanostructured powders are optimized leading to garnet of chemical composition Y3-хCeхAl5O12 (х = 0.02–0.06) with the particles size of 40–60 nm, spherical form, a specific surface of 50 m2/g. …”
Get full text

Characteristics of Fly Ash from Coal Water Slurry Circulating Fluidized Bed Combustion by ZHANG Daixin, ZHANG Guoqing, LIU Haijun, HUANG Yongbo, DU Shanzhou, FAN Baoguo, HUANG Zhong

“…[Methods] The effects of feed mode, operating oxygen content, bed temperature, and primary air rate on unburned combustible in fly ash were studied by using a 3 MW circulating fluidized bed combustion test facility, the composition and micro-morphology of fly ash with different particle sizes were analyzed by using specific surface area and pore diameter analysis apparatus, scanning electron microscope, X-ray fluorescence spetrometer, and X-ray diffractometer (XRD). …”
Get full text

Ultrasound assisted natural deep eutectic solvents based sustainable extraction of Spirulina platensis and orange peel extracts for the development of strawberry-cantaloupe based n... by Kashmala Chaudhary, Samran Khalid, Taghrid S. Alomar, Najla AlMasoud, Sadia Ansar, Ahmed Fathy Ghazal, Abderrahmane Aït-Kaddour, Rana Muhammad Aadil

“…This innovative method achieved the highest extract yield compared to other extraction techniques, making these extracts ideal clean-label functional ingredients due to their highly efficient, sustainable, and eco-friendly extraction process. …”
Get full text

Development of new supported catalysts for the continuous alkylation of amines with alcohols by V. M. Mokhov, D. N. Nebykov, A. O. Panov, A. V. Razvalyaeva, S. E. Latyshova, M. A. Vaniev

“…The work set out to develop catalysts based on nickel and copper obtained by active phase chemical reduction and investigate their activity including the influence of the type of supports on the course of alkylation of amines with primary or secondary alcohols in a plug-flow reactor with a fixed catalyst bed.Methods. The reactions were carried out in a continuous mode on a fixed bed of an appropriate catalyst in a plug flow microcatalytic apparatus at 160–240°C. …”
Get full text

Energy technology complexes as regulators of electrical power systems by V. V. Afanasyev, V. G. Kovalev, V. A. Tarasov

“…During the hours of maximum load of the power system, the electrothermal gasifier allows to significantly reduce the consumed active power due to the transition to the autothermal gasification mode without reducing the performance of synthesis gas and work in the “market of system services” as a regulated load. …”
Get full text