Results 11 to 20 of about 194,544 (300)

A State of the Art Review on the Wellbore Blockage of Condensate Gas Wells: Towards Understanding the Blockage Type, Mechanism, and Treatment [PDF]

open access: yes, 2022
With the development of high-pressure and high-temperature condensate gas wells, the wellbore blockage problems have become increasingly serious. Hence, selecting appropriate treatment technology plays a crucial role in solving the wellbore blockage ...
Bowen Shi   +4 more
core   +1 more source

Packet Level Performance of 5G NR System Under Blockage and Micromobility Impairments

open access: yesIEEE Access, 2023
With the introduction of the Integrated Access and Backhaul (IAB) technology by 3GPP, the last mile in beyond 5G cellular systems will be characterized by multiple wireless backhaul links between the user equipment and base station.
Emil Khayrov, Yevgeni Koucheryavy
doaj   +1 more source

Improving the Conductance Blockage Model of Cylindrical Nanopores – from 2D to Thick Membranes [PDF]

open access: yes, 2023
The ionic current blockage from a nanopore sensor is a fundamental metric for characterizing its dimensions and for sizing and identifying molecules translocating through. Yet, models for precisely predicting the conductance of a nanopore in both an open
Zachary, Roelen   +2 more
core   +2 more sources

The Effects of Blockage on the Propagation of Acoustic Waves in the Liquid-Shell Coupled System [PDF]

open access: yes, 2009
The free vibration of a fluid/structure system consisting of a cylindrical blockage submerged in a liquid enclosed by a cylindrical shell is investigated for the purpose of pipe line transportation monitoring.
Gu, Fengshou   +4 more
core   +1 more source

Study on prevention and control measures of sandstone geothermal reinjection plugging

open access: yesWater Science and Technology, 2023
In the process of geothermal tailwater reinjection of sandstone, the problem of plugging has been seriously restricting the continuous development of geothermal reinjection for many years, and the problems of plugging are complex and changeable.
Xiangtao Wang   +6 more
doaj   +1 more source

Effect and Mechanism of Micro-Nano Aeration Treatment on a Drip Irrigation Emitter Based on Groundwater

open access: yesAgriculture, 2023
The problem of emitter clogging has become the main obstacle restricting the application and promotion of drip irrigation technology. Studying the process of emitter clogging helps improve irrigation efficiency and save water resources. A large number of
Rui Li   +8 more
doaj   +1 more source

Near‐ground propagation in automotive radar and communication obstructed deployments: Measurements and modelling

open access: yesIET Microwaves, Antennas & Propagation, 2022
Wireless communication and radars will play a crucial role for autonomous vehicles in the nearest future. However, the blockage caused by surrounding cars can degrade communication performance, while automotive radars are never aimed to operate in such ...
Dmitrii Solomitckii   +4 more
doaj   +1 more source

Experimental and Numerical Study of Rod Bundle Sub-channel Flow Field under Blockage

open access: yesYuanzineng kexue jishu, 2023
Experiment study of a 5×5 rod bundle was conducted to investigate the effect of blockage on sub-channel flow field and mass flow rate. A 3×3 block was set in a 5×5 rod bundle with the largest blocking percent of about 72% in the center sub-channel.
CHEN Denggao;BI Jingliang;HUANG Yanping;YUAN Dewen;ZAN Yuanfeng;XU Jianjun
doaj  

Optimisation of a lozenge-based sensor for detecting impending blockage of urinary catheters [PDF]

open access: yes, 2022
Catheter-associated urinary tract infections resulting from urease-positive microorganisms are more likely to cause a urinary catheter blockage owing to the urease activity of the microbes.
Mercer-Chalmers, June   +24 more
core   +1 more source

Blockage of Piano Key Weirs in Debris Flow with Individual Experiments [PDF]

open access: yesعلوم و مهندسی آبیاری, 2016
Due to the problems of hydraulic structures at blocking bodies in debris flows this research has been carried out. Hence, in this study the effect of the trap drop bodies such as logs and branches of trees on piano key weirs at individual step was ...
Kosar Mansouri, Javad Ahadian
doaj   +1 more source

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