Modernization of the PGU-450 thermal circuit with an increase in the thermal power of heating selections and preservation of the total electric power by L. O. Zverev, V. G. Zlobin, E. R. Zvereva

“…Modernization of the PGU with an increase in thermal power and preservation of electrical power using a block afterburning device (BDU) in a heat recovery boiler (CU). METHODS. Comparative studies of the characteristics of the PGU-450 without a BDU and with an installed DBU were conducted results. …”
Get full text

Causal relationships between gut microbiota and polycystic ovarian syndrome: A bidirectional Mendelian randomization study by Ruo‐Lin Mao, Xiang‐Fei Wang, Jue‐Pu Zhou, Meng Wang, Rui Long, Lei Jin, Li‐Xia Zhu

“…Inverse variance weighted (IVW), MR‐Egger, constrained maximum likelihood‐based Mendelian randomization, weighted median, weighted mode, and simple mode were used. Cochran's Q and MR‐Egger intercept tests were employed to measure the heterogeneity. …”
Get full text

<i>One-pot</i> determination of amino acids in drugs by pre-column derivatization with phenyl isothiocyanate by P. A. Kalmykov, T. P. Kustova, S. O. Kustov, P. S. Shestakovskaya, T. R. Azmetov, A. A. Kalmykova

“…Objectives. To develop a new method to determine amino acids in drugs by means of reverse-phase high-performance chromatography (RP HPLC) with pre-column derivatization using phenyl isothiocyanate (PITC) and one-pot sample preparation.Methods. …”
Get full text

Communication network-based train control system by LU Xiangyang, XU Fuhong, HAN Chen, LI Siyuan, WU Weiping, XU Jin

“…Furthermore, the automatic configuration is demanded in a dynamic manner for virtual coupling (VC) systems, where multiple trains are virtually coupled into platoons through WLTB. The configuration mode by manual parameter setting is not viable, since following trains run in an automatic operation mode. …”
Get full text

Medium wavelength infrared HgCdTe discrete photodetectors by Z. F. Tsybrii, K. V. Andreeva, M. V. Apatska, S. G. Bunchuk, M. V. Vuichyk, O. G. Golenkov, N. V. Dmytruk, V. V. Zabudsky, I. O. Lysiuk, K. V. Svezhentsova, M. I. Smolii, F. F. Sizov

“…FTIR transmission spectra were measured to evaluate samples quality and find the composition of x of Hg1–xCdxTe epitaxial layers grown by liquid phase epitaxy method. …”
Get full text

Two complementing in vivo selection systems based on CCA-trimming exonucleases as a tool to monitor, select and evaluate enzymatic features of tRNA nucleotidyltransferases by Karolin Wellner, Josefine Gnauck, Dorian Bernier, Stephan H. Bernhart, Heike Betat, Mario Mörl

“…Here, we extend this method for screening of full CCA-end repair by utilizing the CCA-trimming activity of exonuclease LCCR4. …”
Get full text

The application of high-intensity interval training in college physical education and the improvement of students’ physical and mental quality by Xinghao Wang, Hongyan Wu, Qiao Meng, Jiancong Chen, Taofeng Liu

“…The traditional methods of losing weight, such as dieting, are not effective and have health risks. …”
Get full text

Laser additive manufacturing of ODS CuCrZr TPMS lattice structures with enhanced mechanical-thermal performance by Yi Li, Xiaoqiang Wang, Xue Li, Xianglong Dai, Yuxuan Shi, Yan Zhou, Shifeng Wen, Yusheng Shi

“…To address the urgent demand for efficient thermal management components in aerospace and related fields, this study proposes an optimization method integrating material composition and macrostructural design. …”
Get full text

Global Fixed-Time Horizontal Tracking Control of AUV Under Parameter Perturbation and Input Quantization by Sunwei Jiang, Shuxuan Liu, Zhicheng Liu, Quanming Miao

“…A fixed-time integral sliding mode control method is proposed, incorporating a disturbance observer. …”
Get full text

Modeling of a low-temperature gas treatment system by M. P. Kuznetsov

“…The main purpose of the work is: investigation of the effect of changes in technological parameters on the efficiency of the separation process and determination of optimal technological modes of operation of gas field X CNTS in the separation process.Method. …”
Get full text

Study the fault-tolerant design of flight control system based on distributed systems architecture by YANG Zhaoxu, YANG Lin, WAN Tiancai, ZHANG Jun

“…By analyzing the running time sequence，composition and architecture characteristics of distributed system，the key entry points of fault-tolerant design of distributed system are sorted out，and the solutions and implementation methods of fault-tolerant design scheme are expounded. …”
Get full text

Multiple perinatal characteristics affect the association between maternal diabetes status and early neonatal gut microbiota by Cheng Liu, Wei Zheng, Jia Wang, Xianxian Yuan, Yuan Zhang, Yuanyuan Wang, Xu Ma, Guanghui Li

“…In our cohort, newborns from mothers with GDM and without GDM had similar composition but different abundances of the gut microbiota. …”
Get full text

Principles of creating a digital twin prototype for the process of alkylation of benzene with propylene based on a neural network by K. G. Kichatov, T. R. Prosochkina, I. S. Vorobyova

“…This model can be loaded into a microcontroller to allow for real-time determination of the economic efficiency of plant operation and automated optimization depending on the following factors: composition of incoming raw materials; the technological mode of the plant; the temperature mode of the process; and the pressure in the reactor.Conclusions. …”
Get full text

Phenolic compounds of ethanol extracts of Lemna minor L., Lemna trisulca L. and Lemna polyrrhiza L. Schleid and their immunomodulating activity by Sergazy M. Adekenov, Marina G. Danilets, Svetlana A. Ivasenko, Leonid A. Nikiforov, Sergey V. Krivoshchekov, Anastasija A. Ligacheva, Evgenija S. Trofimova, Evgeny Yu. Sherstoboev, Vadim V. Zhdanov, Mikhail V. Belousov

“…In qualitative and quantitative analysis of the samples studied the method of reversed-phase high-performance liquid chromatography on an Agilent 1100 Series instrument (USA) was used in isocratic mode. …”
Get full text

Research on several key technologies of satellite Internet by Gengxin ZHANG, Yunfeng WANG, Xiaojin DIGN, Tao HONG, Ziwei LIU, Chen ZHANG

“…Satellite Internet has the ability of global seamless coverage, which will be an important part of the future land-sea-air-space integrated network.Firstly, the architecture of satellite Internet was discussed, which included the general composition of the system, networking mode, working process, etc.Secondly, the methods of modeling broadband and narrowband traffic were proposed to extract the uneven space-time distribution characteristics of traffic for satellite Internet.Then, the co-frequency interference of spectrum-sharing was analyzed, showing that there would be more serious co-frequency interference among different non-geostationary satellite orbit (NGSO) constellations in the future.Next, the schemes of both beamforming design for low earth orbit satellite and beam-hopping design for high orbit satellite were explored, which could significantly improve the system capacity through efficient mining of space-domain resources.Finally, the development prospect of several technologies of satellite Internet were given.…”
Get full text

Research on several key technologies of satellite Internet by Gengxin ZHANG, Yunfeng WANG, Xiaojin DIGN, Tao HONG, Ziwei LIU, Chen ZHANG

“…Satellite Internet has the ability of global seamless coverage, which will be an important part of the future land-sea-air-space integrated network.Firstly, the architecture of satellite Internet was discussed, which included the general composition of the system, networking mode, working process, etc.Secondly, the methods of modeling broadband and narrowband traffic were proposed to extract the uneven space-time distribution characteristics of traffic for satellite Internet.Then, the co-frequency interference of spectrum-sharing was analyzed, showing that there would be more serious co-frequency interference among different non-geostationary satellite orbit (NGSO) constellations in the future.Next, the schemes of both beamforming design for low earth orbit satellite and beam-hopping design for high orbit satellite were explored, which could significantly improve the system capacity through efficient mining of space-domain resources.Finally, the development prospect of several technologies of satellite Internet were given.…”
Get full text

Intelligent Full-Digital Technology and Its Applications in Power Plant by Wenjian ZHANG, Geng LIANG, Gengda LI, Qingru CUI

“…In this paper, by taking the production characteristics of power plant into consideration, an intelligent all-digital technology system applicable for power plant is proposed on the basis of the technology of digital power plant, and the concept, composition and basic relationship between the elements of intelligent all-digital technology is aslo proposed, expounds the basic structure and principle of intelligent all-digital system, elaborates the intelligent operation mode of intelligent subject, and explores the application scheme of intelligent all-digital technology in power plant. …”
Get full text

Thermal Stability and Optical Behavior of Porous Silicon and Porous Quartz Photonic Crystals for High-Temperature Applications by Ivan Alonso Lujan-Cabrera, Ely Karina Anaya Rivera, Jose Amilcar Rizzo Sierra, Jonny Paul Zavala De Paz, Cesar Isaza, Cristian Felipe Ramirez-Gutierrez

“…Using the transfer matrix method in combination with thermo-optical properties, we numerically calculate the optical response of two types of photonic crystals: Distributed Bragg Reflectors (DBRs) and Fabry–Perot microcavities (FPMs). …”
Get full text

Purification of Liquid Radioactive Waste with Activated Carbon from Sludge-Lignin by Ekaterina S. Loginova (Kokina), Tatyana E. Boykova, Nikolay I. Bogdanovichǂ, Konstantin B. Vorontsov

“…The sorption properties have been analyzed by the spectrometric method with respect to various radionuclides (cesium, cobalt, strontium, etc.). …”
Get full text

Comparison of Efficacy of Spontaneous Breathing with Pressure Support and Volume-Controlled Mandatory Ventilation during General Combined Anesthesia without Muscle Relaxants by V. A. Pyzhov, K. N. Khrapov, A. E. Kobak

“…Immediately prior to the induction of anesthesia, patients were randomly divided into two groups: Group 1 (VCV) where a mandatory volume control mode was used (n = 50) and Group 2 (PSV) where a pressure support mode was used (n = 50). …”
Get full text