Results 1 to 10 of about 7,551 (216)

Modified—modified radical mastoidectomy

European Archives of Oto-Rhino-Laryngology, 2023
Abstract Purpose It is unusual to have communication from the external auditory canal (EAC) directly to the mastoid, totally sparing the tympanum. These patients need a different surgical approach, a modified canal wall-down procedure, to completely clear the disease but fully preserve the tympanum.
Deviprasad Dosemane, Meera Niranjan Khadilkar, Navya Parvathareddy   +2 more
openaire   +2 more sources

A System of Improving Energy and Ecological Efficiency, Using the Example of Fuel Oil Combustion in Power Plant Boilers

Energies, 2023
Most climatic changes are not just the result of human activity, but also of business models that harm the environment. An attempt to attain an ecological balance is an answer to the challenge posed by this situation.
Wilhelm Jan Tic, Joanna Guziałowska-Tic
doaj   +1 more source

Effect of Al5TiB Master Alloy with P on Microstructure and Mechanical Properties of AlSi7Mg Alloy

Metals, 2023
Aluminum-silicon alloys are popular casting alloys. In its raw state, the microstructure of the hypoeutectic silumin consists of a large eutectic β phase against the background of dendritic eutectic α.
Tomasz Lipiński
doaj   +1 more source

Impact of Genetic Polymorphisms in Modifier Genes in Determining Fetal Hemoglobin Levels in Beta-Thalassemia

Thalassemia Reports, 2023
Genetic polymorphisms in Quantitative Trait Loci (QTL) genes such as BCL11A, HBS1L-MYB and KLF1 have been reported to influence fetal hemoglobin (HbF) levels.
Poonam Tripathi, Sarita Agarwal, Kausik Mandal, Anshul Gupta, Aditya Narayan Sarangi   +4 more
doaj   +1 more source

Improving the Physical and Mechanical Characteristics of Modified Aerated Concrete by Reinforcing with Plant Fibers

Fibers, 2023
An urgent and promising direction in the development of building materials science is the improvement of the quality of non-autoclaved aerated concrete.
Alexey N. Beskopylny, Evgenii M. Shcherban’, Sergey A. Stel’makh, Levon R. Mailyan, Besarion Meskhi, Alexandr Evtushenko, Diana El’shaeva, Andrei Chernil’nik   +7 more
doaj   +1 more source

Research and optimization of the technology for the synthesis of a modifying additive based on a mixture of hydro silicates and calcium aluminosilicates [PDF]

Нанотехнологии в строительстве, 2022
Introduction. To improve the performance properties of lime coatings, modifying additives are introduced into their formulation. The development of a technology for the synthesis of an additive containing calcium hydro- and aluminosilicates, which ...
Valentina I. Loganina, Mikhail V. Frolov
doaj   +1 more source

Relationship between heatwave and years of life lost associated with stroke in Guangdong Province: Based on Bayesian spatio-temporal model

环境与职业医学, 2022
BackgroundStroke has become a main cause of death in China. With global warming, the studies on temperature and stroke have attracted much attention.ObjectiveTo analyze he relationships between heatwave and the years of life lost (YLL) by different ...
Lixia YUAN, Ruilin MENG, Jiali LI, Lifeng LIN, Xiaojun XU, Jianpeng XIAO, Guanhao HE, Jianxiong HU, Zuhua RONG, Wenjun MA, Tao LIU   +10 more
doaj   +1 more source

Increasing the Adherence of Metallic Copper to the Surface of Titanium Hydride

ChemEngineering, 2021
Studies have been carried out to increase the adhesive interaction between a titanium hydride substrate and a copper coating. An additional layer containing chemically active groups was created on the surface of the spherical titanium hydride by ...
Vyacheslav Ivanovich Pavlenko, Andrey Ivanovich Gorodov, Roman Nikolayevich Yastrebinsky, Natalia Igorevna Cherkashina, Alexander Alexandrovich Karnauhov   +4 more
doaj   +1 more source

Relationship between microscopic analysis and quantitative and qualitative indicators of moisture susceptibility evaluation of warm-mix asphalt mixtures containing modifiers

Fracture and Structural Integrity, 2020
Given the defects of bitumen in asphalt mixtures particularly exposed to moisture, this study mainly aims to investigate the relationship between qualitative and quantitative results of moisture susceptibility tests on asphalt mixtures modified by ...
Pooyan Farazmand, Parham Hayati, Hamid Shaker, Sajad Rezaei   +3 more
doaj   +1 more source

Preparation of Modified Colloidal Gas Aphrons and Analysis of the Oil Displacement Effect

Applied Sciences, 2020
Colloidal gas aphrons (CGAs) offer some advantages in improving oil recovery, but resin and asphaltene deposition problems still occur in CGA flooding.
Shaohua You, Xiaofei Sun, Xiaoyu Li
doaj   +1 more source