Results 71 to 80 of about 1,228,997 (292)
Buckling Load of Bending Coiled Tubing below the Injector Head
Shiyou jixie, 2018 In the application of coiled tubing in high-pressure oil and gas wells, the buckling load of the coiled tubing between the injector head and the stripper is an important parameter to determine the construction safety.
Zhu Zhaoliang +4 more
doaj
Home-made Detection Device for a Mixture of Ethanol and Acetone
Sensors, 2007 A device for the detection and determination of ethanol and acetone wasconstructed, consisting of a packed column, a chamber with a sensor head, 2 dc powersupplies, a multimeter and a computer.
Sukon Phanichphant +3 more
doaj +1 more source
Rotary 3D Printing With Integrated Electroplating
Advanced Engineering Materials, EarlyView.A rotary material extrusion platform integrates localized copper electroplating with printing and encapsulation to fabricate cylindrical polymer–metal structures containing fully embedded, low‐resistance conductive pathways that enable internal Joule heating and thermally activated shape‐memory responses.
Antonio Zagaria +5 more
wiley +1 more source
The Study of Acoustic Source Localization using a Small Microphone Array for Condition Monitoring [PDF]
, 2010 The aim of this research is to investigate microphone array techniques based condition monitoring (CM). In this paper, a cost effective microphone array configured with 4-sensors and data acquisition systems is investigated theoretically and ...
Gu, Fengshou, Ball, Andrew, Zhen, Dong
core +3 more sources
AMESim-based Study on Dynamic Behavior of Gripping Force of Coiled Tubing Injector Head
Shiyou jixie, 2018 Many problems occur in the coiled tubing operation in oil and gas wells, including coiled tubing slipping, slippage and tubing bite, which seriously threaten the safety of the operation and the life of the coiled tubing.
Ma Weiguo +5 more
doaj
Advances in Sustainable and Wearable Textile Based Soft Robotics
Advanced Functional Materials, EarlyView.This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas +6 more
wiley +1 more source
Ten Years of Key Problems Tackling and Practice of Coiled Tubing Drilling Technology in China
Shiyou jixie, 2019 In-depth research, rapid breakthrough and scale application of coiled tubing operation technology and equipment in China have laid a foundation for the key problems tackling and practice of coiled tubing drilling technology.
He Huiqun +5 more
doaj
Journal of Cardiovascular Magnetic Resonance, 2011 Background The dual-bolus protocol enables accurate quantification of myocardial blood flow (MBF) by first-pass perfusion cardiovascular magnetic resonance (CMR).
Alfakih Khaled +12 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Low‐frequency noise spectroscopy defines the resolvable conductance states of synaptic FeFETs by coupling read‐current fluctuation with usable dynamic range. The resulting noise‐limited bit precision establishes a universal, device‐agnostic reliability metric beyond the memory window, enabling quantitative benchmarking and rational design of high ...
Jaehong Park +12 more
wiley +1 more source
Advanced Functional Materials, EarlyView.Inspired by skeletal muscles’ precision and endurance, CoilLCE integrates a self‐sensing liquid crystal elastomer/graphene artificial muscle with an embedded Joule‐heating copper coil, enabling closed‐loop multistage actuation with programmable intermediate states (strain accuracy of 2%), and antagonistic coordination (32% total strain). These features
Ziyun Zhang +9 more
wiley +1 more source