Adaptation of structures of steel laser hardening zones to friction conditions by A. V. Brover

“…The resulting adapt-able structures most efficiently dissipate the energy introduced into the tribosystem, and minimize the wear of friction pairs.Materials and Methods. We studied samples of P6M5 steel using the following equipment:• Kvant-16 processing station with a power density of 100 MW/m2 for pulsed laser irradiation of samples;• Neophot-21 optical microscope for metal physical studies;• DRON-0.5 diffractometer for phase composition identification.Results. …”
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Titanium oxide and chitosan nanoparticles loaded in methylene blue activated by photodynamic therapy on caries affected dentin disinfection, bond strength, and smear layer removal... by Amer M. Alanazi, Nabeel Ahmad Khan, Azmat Ali Khan, Kinza Bhutto, Syed Hussain Askary, Gulrukh Askary, Eisha Abrar, Syed Junaid Mahmood, Ambrina Qureshi

“…Following disinfection S.mutans' survival rate was assessed using the pour plate method. Five specimens from each disinfection group were subjected to SL removal assessment using a scanning electron microscope (SEM). …”
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Predictive value of vaginal lactic acid bacteria changes on occurrence of HR-HPV-infected cervical intraepithelial neoplasia and construction and validation of nomogram model by Ying Huang, Yuliang Shen, Xuemei Wei, Jie Feng, Lin Zhu

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Comparative evaluation of fracture resistance of various post systems using different luting agents under tangential loading by Rajnish Aggarwal, Swati Gupta, Amrit Tandan, Narendra Kumar Gupta, Ravi Dwivedi, Renu Aggarwal

“…Objective: The purpose of this in vitro study was to evaluate the fracture resistance of various post system using different luting agents under tangential loading after wet thermocycling. Material & methods: Seventy freshly extracted maxillary central incisors were endodontically treated and post-spaces were prepared to receive different post system. …”
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Impact of Pretreatment of Dentin with Omega-9 on Microtensile Bond Strength of Fifth-Generation Dentine Adhesive at Different Times by Sh Kermany, F Moktarpour, S Seyedmajidi, M Ghasempour

“…This study aims to investigate the effect of pretreatment of dentin with omega-9 and chlorhexidine (CHX) on the durability of bond strength in certain time intervals and modes of failure. Methods: In this laboratory study, 45 permanent third molar teeth without caries were cut with a disc to expose the dentin of the middle part of the crown. …”
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Early preterm antenatal corticosteroids and neonatal outcomes for twin pregnancies: a propensity score-weighted cohort study by Jie Zhu, Ying Zhao, Shuyue Li, Ping An, Jizi Zhou, Qiongjie Zhou, Xiaotian Li, Yu Xiong

“…Abstract Background Administering antenatal corticosteroids (ACS) to those at risk for early-preterm delivery has been widely recommended, yet the evidence regarding twin pregnancies remains insufficient and controversial. Methods This 8-year retrospective cohort study analyzed twin pregnancies at risk for early preterm birth (24 + 0 to 33 + 6 weeks of gestation) in a university-affiliated hospital in China from 2013 to 2020. …”
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Influence of deep marginal elevation on the marginal adaptation and fracture resistance of zirconia endocrowns constructed on endodontically treated premolar teeth: in vitro study by Sara Tamimi, Huda I. Mostafa, Menna S. Ali, Hayam M. Tawfik

“…DME slightly improved the failure mode.…”
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Aloe-Emodin activated by Photodynamic therapy and diode laser on carious affected dentin and survival of S. mutans. An-invitro SEM assessment by Basil Almutairi

“…Fresh cultures of S.mutans were cultivated on CAD and their survival rate assessment was performed following the type of disinfection. SE adhesive and composite application were performed on CAD following assessment of SBS and failure mode utilizing a universal testing machine (UTM) and stereo microscope respectively. …”
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MATHEMATICAL LOW-REYNOLDS MODELING OF HEAT EXCHANGE IIN TURBULENT FLOW IN FLAT CHANNELS WITH TURBULATORS SYMMETRICALLY LOCATED ON BOTH SIDES by I. E. Lobanov

“…Objectives The aim of the study was to simulate the heat transfer in flat channel with turbulators, symmetrically located on its both sides, depending on the channel's geometric parameters and the coolant flow modes followed by the verification of the obtained calculated data by the existing experiment.Methods The calculation was carried out on the basis of a theoretical method based on the solution of the Reynolds equations, closed with the help of the Menter shear stress transport model, by factored finite-volume method, as well as the energy equation on multiscale intersecting structured grids (Fast COmposite Mesh method, FCOM).Results A theoretical mathematical calculation model for intensified heat exchange in turbulent flow for a flat channel with turbulators, symmetrically located on both sides, depending on the channel's geometric parameters and coolant flow modes was generated. …”
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Experimental study on the influence mechanism of ambient temperature on the seismic performance of steel tube confined concrete columns by Wang Li, Hu Qi, Pan Qiren, Gu Haowei, Zhai Qiyuan, Yu Lusong, Kang Ercong

“…In view of the limitation that the existing calculation method of horizontal bearing capacity of steel tube confined concrete column does not consider the influence of ambient temperature, the temperature influence coefficient of horizontal bearing capacity was regressed based on the test results in this paper. …”
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In vitro study on the effect of two acid etching agents on the bonding strength between primary tooth enamel and resin by XU Xiangqin, WU Huaying, LIU Jing

“…Objective To evaluate the effect of two different acid etching agents on the bonding strength between deciduous enamel and composite resin at different etching times. Methods Seventy primary incisors were made into test specimens and randomly divided into 7 groups(n=10), 6 experimental groups, and 1 blank control group. …”
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A retrospective study on predicting clinically significant prostate cancer via a bi-parametric ultrasound-based deep learning radiomics model by Xiang Liu, Zhong-Xin Zhang, Bing Zheng, Min Xu, Xin-Yu Cao, Hai-Ming Huang

“…PurposeThis study aimed to establish and evaluate a model utilizing bi-parametric ultrasound-based deep learning radiomics (DLR) in conjunction with clinical factors to anticipate clinically significant prostate cancer (csPCa).MethodsWe retrospectively analyzed 232 participants from our institution who underwent both B-mode ultrasound and shear wave elastography (SWE) prior to prostate biopsy between June 2022 and December 2023. …”
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Reducing carbon dioxide emissions when using methane-hydrogen fuel by A. V. Demin, G. I. Pavlov, P. V. Nakoryakov, D. A. Zainutdinova

“…AIM. To determine optimal modes for methane decarbonization, as well as to assess CO2 emissions during subsequent combustion of the pyrolysis gas, including together with the natural gas in various ratios.METHODS. …”
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Effect of Different Surface Treatments on the Bond Strength of Different Monolithic Zirconia With Dentin by Ahmad Abdulkareem Alnazzawi, Mohammed H. AbdElaziz, Ahmed E. Farghal, Mohamed F. Aldamaty, Sary Borzangy, Sultan Ainoosah, Ahmed Yaseen Alqutaibi

“…Conclusion: APA and HHF, combined with primer application, were effective methods to enhance the shear bond strength of 3Y and 5Y zirconia. …”
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Mechanism on Activation of Coal Gangue Admixture by Jixi Chen, Xiao Guan, Mengyu Zhu, Jie Gao

“…Results showed that mechanical ball milling, microwave, and chemical activator could activate coal gangue, and the composite activation effect was the best. The fineness of the coal gangue powder was more than 300 mesh, according to the optimal compounding method. …”
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Effect of Te-concentration on physico-chemical properties electrodeposited CdTeSe thin films for solar cell application by A U Yimamu, V N Adoons, M K Hussen, S Z Werta, F B Dejene, O K Echendu, J J Terblans, H C Swart, S J Motloung

“…Electrodeposition of CdTeSe thin films with two-electrode electrodeposition method in potentiostatic mode was performed at different TeO _2 concentrations of 0.075, 0.150, 0.225, 0.30, and 0.375 mM. …”
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Influence of low-intensity artificial light on the fatty acid profile of the biotechnologically important culinary mushroom Pleurotus eryngii in vitro by Oksana Mykchaylova, Aleksander Besarab, Anatoliy Negriyko, Margarita Lomberg, Natalia Poyedinok

“…Conclusions The selected mycelial photoactivation modes using low-intensity laser and LED light of different spectral composition and coherence may have potential in the biotechnology of submerged cultivation of P. eryngii to obtain mycelial mass with an improved fatty acid profile, which can be considered as a useful source of lipids.…”
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A mathematical model of the copper plating process in restoration of road transport equipment parts by A. S. Ianuta, G. S. Zadorozhnii, Yu. V. Shtephan

“…The purpose of the research is to develop a mathematical model of the effect of deposition conditions (electrolyte temperature, cathode current density) and electrolyte composition (concentration of copper sulfate and sulfuric acid) on the performance of the deposition process of copper coating, for further development of the most productive technology for restoring collectors of electric motors of motor vehicles.Materials and methods. …”
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Acid resistance and bond strength of calcium-containing adhesive on enamel by Hirotoshi Iwabuchi, Go Inoue, Xuefei Chen, Masaomi Ikeda, Yasushi Shimada

“…This study aimed to evaluate the enamel acid resistance and bond strength of an experimental calcium-containing adhesive system. Methods: All materials were provided by Kuraray Noritake Dental, Inc. …”
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Impact of Moisture Content on the Brittle-Ductile Transition and Microstructure of Sandstone under Dynamic Loading Conditions by Aihong Lu, Xiya Chang, Shanchao Hu, Yu Xia, Ming Li

“…Our findings could provide a theoretical basis for mitigating coal and rock bursts by injecting water methods in underground coal mines.…”
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