Results 91 to 100 of about 3,200,666 (325)

Drilling process monitoring for a wealth of extra factual data from drillhole site investigation [PDF]

, 2006
This paper presents a method for obtaining valuable additional information from automatic drilling process monitoring in conventional drillhole site investigation.
Chen, J, Gao, W, Lee, CF, Yue, QZQ
core  

Ultimate load analysis of casings in slip-working sections of underground gas storage wells

Scientific Reports
During high-intensity injection and production in underground gas storage (UGS), the biting behavior of packer slip teeth on the casing’s inner wall can cause damage, leading to anchoring failure and compromising string safety.
Yuxian He, Haiyun Ma, Lin Chen, Hangming Liu, Jifang Wan, Xianzhong Yi   +5 more
doaj   +1 more source

Artificial Symbiosis for Bulk Production of Bacterial Cellulose Composites

Advanced Materials, EarlyView.
Co‐cultivation of the cellulose‐producing bacterium with the microalga enables bulk formation of bacterial cellulose under static incubation, with photosynthetically active oxygen‐generating sites throughout the medium. This symbiotic platform supports 3D cellulosic constructs with geometries dictated by the vessel shape.
Kui Yu, Sing Teng Chua, Ran Zhao, Alyssa Smith, Michael Kühl, Alison G. Smith, Tom Ellis, Silvia Vignolini   +7 more
wiley   +1 more source

In Situ Amine Formation to Modulate MOF‐Derived PdIn N‐Doped Carbon Catalysts

Advanced Materials, EarlyView.
An amine‐assisted approach converts PdIn‐MOF into PdIn intermetallic nanoparticles embedded in N‐doped carbon. In situ‐generated amines trigger early Pd nucleation, producing smaller PdIn domains than direct pyrolysis. Amine sterics and basicity tune composition and particle size, while solvent and amine co‐determine textural features.
Gonzalo Egea, Jordan Santiago Martinez, M. Asunción Molina, Jaime Mazarío, Lucy Costley‐Wood, Christian Cerezo‐Navarrete, Carlo Marini, Eduardo Villalobos‐Portillo, Andrew M. Beale, Pascual Oña‐Burgos   +9 more
wiley   +1 more source

Stratigraphy of the Hawai'i Scientific Drilling Project core (HSDP2): Anatomy of a Hawaiian shield volcano [PDF]

, 2007
The Hawai'i Scientific Drilling Project (HSDP2) successfully drilled ∼3.1 km into the island of Hawai'i. Drilling started on Mauna Loa volcano, drilling 247 m of subaerial lavas before encountering 832 m of subaerial Mauna Kea lavas, followed by 2019 m ...
Baker, Michael, Garcia, Michael O., Haskins, Eric H., Stolper, Edward M.   +3 more
core   +1 more source

High‐Performance Zero‐Gap Glycerol‐Fed Electrolyzer for C3 Chemicals and Hydrogen Production

Advanced Materials, EarlyView.
This work presents a dynamic, self‐regulating operation strategy that enables selective glycerol electrooxidation in the OER‐free regime, co‐producing C3 chemicals and hydrogen at cell voltages below 1.25 V. Voltage‐ and temperature‐resolved analyses define optimal operating conditions, achieving a sustained current density of 500 mA cm−2 at ∼1.21 V ...
Shayan Angizi, Inder Sangha, Mahsa Khoshnam, Mahdis Nankali, Ashkan Irannezhad, Amirhossein Rakhsha, Zahra Teimouri, Amir Foroozan, Mengnan Zhu, Navid Noor, Reza Eslami, Drew Higgins   +11 more
wiley   +1 more source

Analyzing in-situ stress response characteristics of coals based on optimized measurement-while-drilling parameters

Meitian dizhi yu kantan
BackgroundThe spatial distribution of stress in coals in underground coal mines is a significant factor influencing the safe production of mines and the optimization of mining processes. The quantitative, advanced prediction of in-situ stress in coals is
Kun ZHANG, Ke WANG, Jianxi REN, Shangxin FENG, Pengbo CHANG, Yutao ZHAO, Yanping MIAO, Jian HU   +7 more
doaj   +1 more source

Tahiti sea level : the last deglacial sea level rise in the South Pacific [PDF]

, 2005
Integrated Ocean Drilling Program (IODP) Expedition 310 to the reef terraces around Tahiti, French Polynesia, was the second expedition to utilize a mission-specific platform (MSP) and was conducted by the European Consortium for Ocean Research Drilling (
Camoin, Gilbert F., Iryu, Yasufumi, McInroy, David   +2 more
core   +1 more source

Residual Stress Determination with the Hole-Drilling Method on FDM 3D-Printed Precurved Specimen through Digital Image Correlation

Applied Sciences
The hole-drilling method (HDM) is a common technique used for the determination of residual stresses, especially for metal alloy components, though also for polymers.
C. Santus, P. Neri, Luca Romoli, Marco Cococcioni   +3 more
semanticscholar   +1 more source

Hydrogel Thermostat Inspired by Photoprotective Foliage Using Latent and Radiative Heat Control

Advanced Materials, EarlyView.
Guided by Populus alba foliage, this hydrogel latent‐radiative thermostat (LRT) actively balances latent and radiative heat fluxes. An LRT switches solar reflectance, maintains high mid‐IR emissivity, and reversibly evaporates/regenerates water, while titanium oxide (TiO2) nanoparticles toughen the film.
Se‐Yeon Heo, Hyung Rae Kim, Yoonsoo Shin, Hyun Su Lee, Hyunkyu Kwak, Do Hyeon Kim, Dong Hyun Seo, Joo Hwan Ko, Hyo Eun Jeong, Sehui Chang, Min Seok Kim, Longnan Li, Jyotirmoy Mandal, Wei Li, Dae‐Hyeong Kim, Young Min Song   +15 more
wiley   +1 more source