Results 31 to 40 of about 30,021 (263)
The efficiency of sucker rod pump installations, which have become widespread in mechanized lift practice, is largely determined by the balance of the drive.
Kamil R. Urazakov +2 more
doaj +1 more source
Miniaturized flow chip platform enabling continuous perfusion and longitudinal multiphoton 3D imaging of vascular smooth muscle cell constructs under physiological flow. Brightfield imaging guides region selection, while CellTracker Green and mRuby‐labeled fetuin‐A visualize cells and mineral deposition, respectively. Magnesium supplementation markedly
Vytautas Kučikas +6 more
wiley +1 more source
Optimization Design of Pumping Unit Reversing Mechanism based on Output Swing Angle Analysis
Aiming at the problem that the output angle of the elliptical gear planetary gear train reversing mechanism with small beam pumping unit is small and can not meet the long stroke demand, the influencing factors of the output swing angle of the mechanism ...
Liu Yongping Li Dawei Dong Changbin
doaj
Mechanical Analysis on the Transmission Mechanism of 35 Type Gear Long Ring Rack Pumping Units
Taking a new type of 35 pumping unit suitable for deep well mining as the research object, the mechanical analysis of its gear long ring rack transmission mechanism is carried out to solve the problems of short operation cycle and high energy consumption
Peng Zhenhua +7 more
doaj
Objective The aim of this study was to determine the differences in demographic, serologic, and clinical characteristics between male and female patients with systemic sclerosis (SSc) in an Australian cohort. Methods This was a retrospective observational study using data from the Australian Scleroderma Cohort Study.
Emily Lin +14 more
wiley +1 more source
PUMP GROUP AUTOMATIC CONTROL FOR REDUCING ITS ENERGY CONSUMPTION
Booster pumping plants, equipped with a group of pump units operating in parallel, are typical objects of the city water supply system. Improving its power efficiency is a very urgent topical objective, because its power consumption is a significant part
G. N. Zdor +2 more
doaj +1 more source
Analysis and experimental study of oil well indicator diagram based on electric parameter method
At present, the load diagram of pumping wells mostly uses load sensors to obtain load data. However, the load sensor is prone to mechanical fatigue during the measurement process, which results in measurement data drift distortion and large errors.
Xiaoju Yin +5 more
doaj +1 more source
Design and Development of Multi-mode Control System for Beam Pumping Unit
In order to deal with the complicated and variable working conditions in the production process of the pumping unit, a multi-mode control system of the beam pumping unit is designed.
Ren Xuhu +5 more
doaj
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara +8 more
wiley +1 more source

