Results 61 to 70 of about 59,556 (258)

Electrothermally Controlled 3D‐Printed Shape Memory Polymers for Near‐Ambient Temperature Soft Robotic Applications

open access: yesAdvanced Intelligent Systems, EarlyView.
In this article, we develop bespoke resins for stereolithography 3D‐printing of soft‐robotic grippers that are controlled remotely by electrothermal stimulus near ambient temperatures. Turning on the electrical control, each finger can be actuated separately.
Kalyan Ghosh   +4 more
wiley   +1 more source

Design of Subsea Vertical Tree for 500 m Depth Water

open access: yesShiyou jixie, 2018
Subsea tree is the key equipment for deepwater oil and gas development. To sort out and extract the latest research progress and achievements of the subsea tree and to guide the design and development of related domestic products, the technical status of
Sun Chuanxuan   +5 more
doaj  

ChemMatters: Special Issue on NASA's EOS Aura Mission (Sept. 2001) [PDF]

open access: yes, 2001
This EOS-Aura special edition of ChemMatters is the first of four special issues focusing on atmospheric chemistry and the Aura mission. It features articles on global climate change, asthma and air pollution, good and bad ozone, and spectroscopy ...

core  

Differentiating the Clinical and Variant Spectrum of Hardikar Syndrome From Other MED12‐Related Developmental Disorders

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT The rare X‐linked female‐restricted Hardikar syndrome (HDKR, OMIM # 301068) is characterized by multiple congenital anomalies including orofacial clefts, gastrointestinal, genitourinary, and cardiac anomalies, but cognitive and neurobehavioral development is rarely impaired.
Tinne Warmoeskerken   +4 more
wiley   +1 more source

Optimization Design Method for Multistage Completion String of Shunnan Ultra-Deep Horizontal Well

open access: yesShiyou jixie, 2019
To address the problem of ultra-high pressure ultra-high temperature and difficult completion string design in the ultra-deep horizontal wells in Shunnan in the north slope of Tazhong, a set of optimization design methods for ultra-deep horizontal well ...
He Tong   +4 more
doaj  

Humidity‐Corrected Thermodynamic Modeling of Ammonium Chloride Crystallization Temperature Mechanisms and Application

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT As refineries process increasingly inferior crude oils, ammonium salt corrosion has intensified. Accurate prediction of ammonium salt crystallization temperatures and their influencing factors is therefore crucial for safe and stable operations.
Haozhe Jin   +7 more
wiley   +1 more source

Broadening the semiaquatic scene: Quantification of long bone microanatomy across pinnipeds

open access: yesThe Anatomical Record, EarlyView.
Abstract Investigations of bone microanatomy are commonly used to explore lifestyle strategies in vertebrates. While distinct microanatomical limb bone features have been established for exclusively aquatic and terrestrial lifestyles, identifying clear patterns for the semiaquatic lifestyle remains more challenging.
Apolline Alfsen   +10 more
wiley   +1 more source

Research of the Locating-Sub Hanging Technology for Velocity String

open access: yesShiyou jixie, 2019
After workover of low-yield gas wells in Qinghai, the existing velocity string snubbing technology has such problems as requiring additional special hanger, the main valve failed, and the wellhead and operation process needing reconstruction.
付悦   +6 more
doaj  

Optimizing biophysical properties of cellular niches to enhance stem cell‐derived extracellular vesicle function in musculoskeletal regeneration

open access: yesBMEMat, EarlyView.
Extracellular vesicles (EVs) derived from stem cells show promise for applications in regenerative medicine, but their scalability and yield remain challenges. This review explores the approaches for biophysical modulations within cell niches on EV properties, discusses the current clinical application of EVs, and provides an outlook on the existing ...
Yang Xu   +9 more
wiley   +1 more source

Development Status of Subsea Christmas Tree

open access: yesShiyou jixie, 2016
The key to the development of subsea tree is whether it can meet the requirement by the relevant standards and specifications in pressure circulation test, high and low temperature circulation test, load circulation test and external high pressure test ...
Wang Yu   +6 more
doaj  

Home - About - Disclaimer - Privacy