Results 21 to 30 of about 497,791 (305)
A Novel Method for Improving the Skiving Accuracy of Gears with Profile and Lead Modifications
Machines, 2023 Skiving is an efficient gear cutting technology with relatively high machining accuracy, especially for internal gears. Nevertheless, the machining accuracy can hardly be satisfied if the skived gear is modified, so we try to extend the definition and ...
Zheng Guo +5 more
doaj +1 more source
Lubricants, 2023 Tapered roller bearings (TRBs) are widely used in heavy-load rotating machinery. One of the technical problems in TRBs is the existence of sharp spikes of the contact pressure in the vicinity of the two ends of the tapered rollers.
Renshui Cao +4 more
doaj +1 more source
Proteome‐Wide Profiling of Readers for DNA Modification [PDF]
Advanced Science, 2021 AbstractDNA modifications, represented by 5‐methylcytosine (5mC), 5‐hydroxymethylcytosine (5hmC), 5‐formylcytosine (5fC), and 5‐carboxylcytosine (5caC), play important roles in epigenetic regulation of biological processes. The specific recognition of DNA modifications by the transcriptional protein machinery is thought to be a potential mechanism for ...
Lin Bai +13 more
openaire +3 more sources
Response of ionospheric electron density profile to the action of powerful HF radio-wave radiation
Solar-Terrestrial Physics, 2022 Using electron density and temperature equations, we have modeled the dynamics of the electron density profile in the ionosphere due to the expulsion of plasma from localization regions of plasma waves, pumped by high-power HF radio waves, i.e.
Legostaeva Y. K. +2 more
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PROFILE MODIFICATION INFLUENCE ON THE CONTACT RATIO FOR STRAIGHT BEVEL GEAR
Journal of Industrial Design and Engineering Graphics, 2007 Bevel gear, as octoidal gear, is not accurate involute. As a result, unlike involute cylindrical gear, bevel gear is accomplished by using profile which are not modification or profile with zero modification.
VELICU Doru, MOLDOVEAN Gheorghe
doaj +1 more source
The Profile and Dynamics of RNA Modifications in Animals [PDF]
ChemBioChem, 2017 AbstractMore than a hundred distinct modified nucleosides have been identified in RNA, but little is known about their distribution across different organisms, their dynamic nature and their response to cellular and environmental stress. Mass‐spectrometry‐based methods have been at the forefront of identifying and quantifying modified nucleosides ...
Pieter van Delft +8 more
openaire +5 more sources
Insights into Structural Modifications of Valproic Acid and Their Pharmacological Profile [PDF]
Molecules, 2021 Valproic acid (VPA) is a well-established anticonvulsant drug discovered serendipitously and marketed for the treatment of epilepsy, migraine, bipolar disorder and neuropathic pain. Apart from this, VPA has potential therapeutic applications in other central nervous system (CNS) disorders and in various cancer types.
Manish Kumar Mishra +9 more
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Chemoproteomic Profiling of Phosphoaspartate Modifications in Prokaryotes [PDF]
Angewandte Chemie, 2018 AbstractPhosphorylation at aspartic acid residues represents an abundant and critical post‐translational modification (PTM) in prokaryotes. In contrast to most characterized PTMs, such as phosphorylation at serine or threonine, the phosphoaspartate moiety is intrinsically labile, and therefore incompatible with common proteomic profiling methods ...
Jae Won Chang +3 more
openaire +2 more sources
Open Chemistry, 2021 This paper introduces a steam-foam drive profile modification technology for heavy oil development in Block Qi40 based on an in-depth study of the characteristics of heavy oil reservoir and cross flow characteristics of injected steam in Block Qi40 of ...
Liu Yong +4 more
doaj +1 more source
, 2023 To determine the optimal design parameters of spur gear under a specific condition, based on the basic theories of gear dynamics theory, gear meshing principle, tooth contact analysis and load tooth contact analysis, a six-degree-of-freedom vibration ...
Rupeng Zhu (17319805) +4 more
core +1 more source