Results 151 to 160 of about 2,222,310 (369)

Thermally Actuated Soft Robotics

open access: yesAdvanced Materials, EarlyView.
This review focuses on the recent development of thermally actuated soft robotics, highlighting the four major heating mechanisms, as well as structural designs, thermal management, material innovations, and emerging applications. A summary and outlook section present the current challenges of thermally actuated soft robots and the future directions to
Shuang Wu   +2 more
wiley   +1 more source

Numerical simulation of thermal stratification phenomenon in stagnant branch pipe of pressurized water reactors

open access: yesHe jishu
BackgroundIn thermal pipelines of nuclear power systems, thermal stratification is a common phenomenon that can cause stress concentration and deformation of pipeline structures, thereby leading to safety hazards.
MA Jingxiang   +2 more
doaj   +1 more source

Technology of double casing tubes & a binary cycle system for hole cleaning for CBM multi-branch horizontal wells

open access: yesNatural Gas Industry B, 2017
At present, the aeration-assisted cutting-carrying technology is faced with complexities in the drilling of CBM multi-branch horizontal wells. For example, the aerating pressure is hardly maintained, and the borehole instability may happen.
Yong Yang   +7 more
doaj   +1 more source

3D Printing for Neural Repair: Bridging the Gap in Regenerative Medicine

open access: yesAdvanced Materials, EarlyView.
This perspective article discusses how 3D bioprinting is advancing the development of neural tissue models and implants. It highlights recent progress in fabricating complex, multicellular neural constructs, examines current technical barriers, and outlines future applications in disease modeling, neurotoxicity testing, and regenerative therapies ...
Mitchell St Clair‐Glover   +2 more
wiley   +1 more source

Hydrogen-Rich Models for Horizontal-Branch and Post-Horizontal Stars

open access: yesThe Astrophysical Journal, 1971
Horizontal and post-horizontal branch hydrogen rich stellar atmospheric models, presenting emergent fluxes and H and He line ...
openaire   +2 more sources

In Situ Monitoring and Electrical Modulation of Cellular Behaviors Directly at the Cell–Electrode Interface

open access: yesAdvanced Materials Interfaces, EarlyView.
This study presents a platform for simultaneous monitoring and electrical control of cellular responses at the cell–electrode interface. The platform delivers tunable yet uniform electrical cues to cells, revealing that optimal electrical stimulation (ES) conditions vary across cell types.
Khandoker Asiqur Rahaman   +7 more
wiley   +1 more source

The Blue Horizontal-branch Stars from the LAMOST Survey: Atmospheric Parameters

open access: yesThe Astrophysical Journal Supplement Series
Blue horizontal-branch (BHB) stars are crucial for studying the structure of the Galactic halo. Accurate atmospheric parameters of BHB stars are essential for investigating the formation and evolution of the Galaxy.
Jie Ju   +6 more
doaj   +1 more source

HOB-CNN: Hallucination of occluded branches with a convolutional neural network for 2D fruit trees

open access: yesSmart Agricultural Technology, 2023
Orchard automation has attracted the attention of researchers recently due to the shortage of global labor force. To automate tasks in orchards such as pruning, thinning, and harvesting, a detailed understanding of the tree structure is required. However,
Zijue Chen   +3 more
doaj  

Globular Clusters and Horizontal Branch

open access: yes, 2004
An analysis of available Galactic globular cluster data on metallicity, ages, the distribution of stars on the horizontal branch and the distribution of the periods of RR0 Lyr variables showed that: 1. The latter two characteristics can be used for determining the Oosterhoff type. 2.
openaire   +2 more sources

Flow Analysis in Pathological Microvascular Models by Ultrasound Localization Microscopy

open access: yesAdvanced Materials Technologies, EarlyView.
This study presents a new platform combining ultrasound localization microscopy with biomimetic gelatin phantoms to analyze flow dynamics in small vessels with narrowing or obstructions. Using microbubble tracking, the method enables high‐resolution velocity mapping in 100–500 µm channels, revealing flow changes in pathological microvascular conditions
Yarin Gershman   +3 more
wiley   +1 more source

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