-
161
-
162
-
163
Experimental Study of Methods of Increasing the Efficiency of a Direct-Flow Air-Jet Detonation Engine
Published 2023-06-01“… A fundamentally new direction in the development of rocket and space propulsion is the introduction of jet engines operating on the detonation principle of energy conversion of the working body. …”
Get full text
Article -
164
Enquiry into Gunpowder Weapons Used by Hülegü in the Middle East Campaign
Published 2023-12-01“…It turns out that these ballistas fired “rocket-assisted arrows”. These arrows carried paper tubes filled with gunpowder, which would increase their range to reach the mountain fortress of Maymun-Diz, and bombs covered with cartons, bamboo, ceramic, or metal which would set fire to the defenders of the fort. …”
Get full text
Article -
165
Principles of organization and structure of the management system of a holding type company
Published 2019-09-01“…The experience of improving the management systems of a number of really active groups of companies and diversified enterprises (including the sector of aviation and rocket engine building) focused on both scientific and technical, and production and commercial business, has been taken into account. …”
Get full text
Article -
166
Enhancing Manufacturing Precision: Leveraging Motor Currents Data of Computer Numerical Control Machines for Geometrical Accuracy Prediction Through Machine Learning
Published 2024-12-01“…Feature extraction was performed using Tsfresh and ROCKET, which allowed us to capture the patterns in the motor current data corresponding to the geometric features of the machined parts. …”
Get full text
Article -
167
Some features of impact penetration of penetrators into ground of celestial bodies
Published 2021-03-01“…These values are determined for a number of alloys and high-purity metals widely used in rocket and space technology for Earth and space temperatures. …”
Get full text
Article -
168
Design of device for gas shielding of joint during friction stir welding
Published 2019-11-01“…Due to its characteristics, titanium alloys are widely used in industries such as shipbuilding, aircraft manufacturing, rocket production, etc. Friction stir welding of titanium alloys is a perspective method for manufacturing parts in these industries. …”
Get full text
Article -
169
Fast Task Scheduling With Model Predictive Control Integrating a Priority-Based Heuristic
Published 2025-01-01“…The use case motivating the work is given by the problem of managing the integration activities involved in the final assembly of the Vega rocket at the European space center in Kourou, French Guiana. …”
Get full text
Article -
170
On the Lunar Origin of Near-Earth Asteroid 2024 PT5
Published 2025-01-01“…PT5's orbit is challenging to populate with asteroids originating from the main belt and is more commonly associated with rocket bodies mistakenly identified as natural objects or with debris ejected from impacts on the Moon. …”
Get full text
Article -
171
Advances in the carbon-ceramic composites oxidation and ablation resistance: A review
Published 2025-01-01“…A review and critical analysis of recent advances in the field of oxidation and ablation resistance of carbon-ceramic composite materials, which are the most promising for high temperature applications in load-bearing structures and heat-protective systems of rocket and aerospace engineering, is carried out. …”
Get full text
Article -
172
Best Evidence Summary of Home Enteral Tube Feeding Care Management in the Elderly
Published 2025-01-01“…Huiya Zhu,1 Aihua Liu,1 Zhongyan Han,2 Yanling Yang,3 Xiao Ma,2 Haiyan Shi2 1Department of Cardiovasology, the Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China; 2Department of Gastroenterology, the Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China; 3Department of Neurology, PLA Rocket Force Characteristic Medical Center, Beijing, People’s Republic of ChinaCorrespondence: Haiyan Shi, Department of Gastroenterology, the Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, 100853, People’s Republic of China, Email shihyan662@163.comPurpose: To evaluate and summarize the best evidence of home enteral tube feeding (HETF) care management in the elderly to provide an evidence-based basis for caregivers to implement care interventions.Patients and Methods: Evidence on HETF care management in the elderly was retrieved from Chinese and international databases, guidelines, and websites of professional associations, including systematic reviews and expert consensuses, using the keywords of home enteral nutrition, home tube feeding, old, elder, home care, etc. …”
Get full text
Article -
173
-
174
-
175
The analysis of the influence of the turbulence model selection on the parameters of interaction of a supersonic jet with an obstacle
Published 2024-10-01“…Due to the intense loading of the elements of launch structures when exposed to rocket engine jets, it is obvious that it is necessary to determine the gas-dynamic, thermal and other loads that occur during the launch of the launch vehicle. …”
Get full text
Article -
176
-
177
Evolution mechanisms of the scratch-induced elastoplastic stress fields and crack damage in γ-TiAl alloys
Published 2025-01-01Get full text
Article -
178
Microenvironment Influences on Human Umbilical Cord Mesenchymal Stem Cell-Based Bone Regeneration
Published 2021-01-01Get full text
Article -
179
-
180