Results 141 to 150 of about 2,457,187 (381)

Розробка і дослідження гуматно-біополімерного бурового розчину для буріння похило-скерованих і горизонтальних свердловин на родовищах Дніпровсько-Донецької западини [PDF]

open access: yes, 2005
Рассмотрен механизм взаимодействия гуматов и водорастворимых полимеров, а также образование синергетических композицій. Изложены основные свойства гуматно-биополимерного бурового раствора.
Кустурова, О. В.
core  

Nanomaterial‐Enhanced Biosensing: Mechanisms and Emerging Applications

open access: yesAdvanced Healthcare Materials, EarlyView.
Nanomaterial integration transforms biosensor capabilities through enhanced signal transduction, sensitivity, and selectivity. This review analyzes how nanoscale materials—from nanoparticles to nanosheets—leverage unique physicochemical properties to revolutionize electrochemical, optical, and electrical biosensing.
Younghak Cho   +3 more
wiley   +1 more source

Introducing Bentonite into the Environment in the Construction Stage of Linear Underground Investment Using the HDD Method

open access: yesApplied Sciences, 2018
The study discusses the issue of introducing drilling fluid (bentonite) into the environment during the construction of linear underground investments, considering the example of the construction of the high-pressure gas pipeline, Czeszów— ...
Urszula Kwast-Kotlarek   +2 more
doaj   +1 more source

Membrane Fusion‐Inspired Nanomaterials: Emerging Strategies for Infectious Disease and Cancer Diagnostics

open access: yesAdvanced Healthcare Materials, EarlyView.
Membrane fusion‐inspired nanomaterials offer transformative potential in diagnostics by mimicking natural fusion processes to achieve highly sensitive and specific detection of disease biomarkers. This review highlights recent advancements in nanomaterial functionalization strategies, signal amplification systems, and stimuli‐responsive fusion designs,
Sojeong Lee   +9 more
wiley   +1 more source

Core handling and processing for the WAIS Divide ice-core project [PDF]

open access: yes, 2014
On 1 December 2011 the West Antarctic Ice Sheet (WAIS) Divide ice-core project reached its final depth of 3405 m. The WAIS Divide ice core is not only the longest US ice core to date, but is also the highest-quality deep ice core, including ice from the ...
Bencivengo, Brian M   +15 more
core   +1 more source

Engineering Anisotropic Mechanical Properties in Large‐Scale Fabricated Cartilage Constructs Using Microfiber Reinforcement

open access: yesAdvanced Healthcare Materials, EarlyView.
This study presents the development of large‐scale (15 cm2) cartilage constructs with anisotropic mechanical properties using melt electrowritten (MEW) microfiber reinforced cell‐laden gelatin methacryloyl (gelMA). These constructs mimic the mechanical behavior of native cartilage, providing a suitable environment for Articular Cartilage ...
Lennard Spauwen   +5 more
wiley   +1 more source

Research status and development directions of intelligent drilling fluid technologies

open access: yesPetroleum Exploration and Development, 2022
By reviewing the current status of drilling fluid technologies with primary intelligence features at home and abroad, the development background and intelligent response mechanisms of drilling fluid technologies such as variable density, salt response ...
Guancheng JIANG   +6 more
doaj  

Borehole geological assessment [PDF]

open access: yes, 1979
A method and apparatus are discussed for performing geological assessments of a formation located along a borehole, and a boring tool that bores a pair of holes into the walls of the borehole and into the surrounding strata along with a pair of probes ...
Spuck, W. H., III
core   +1 more source

Home - About - Disclaimer - Privacy