Results 121 to 130 of about 6,692 (310)

Design and experimental study of electro-hydraulic buffer control valve for hydraulic support push cylinder

open access: yesGong-kuang zidonghua
During the pushing and pulling operations of the push cylinder of the hydraulic support in the working face, the instantaneous pressure surge at startup is severe, which can lead to cylinder bulging, expansion, seal failure, or even the fracture of ...
JIANG Sulong   +4 more
doaj   +1 more source

Gilgamesh and Enkidu Cylinder Seal (replica) [PDF]

open access: yes
Gilgamesh and Enkidu cylinder seal replica. Scene of Gilgamesh and bull of heaven, Enkidu fights Humbaba, from Lugai-Lam scribe. The original seal is in the collection of the Institute for the Study of Ancient Cultures, West Asia & North Africa ...

core  

Agar‐Based Optical Sensing System With a Phosphorescent Grid Pattern for Measuring Stress Distributions of Root Growth Using the Sampling Moiré Method

open access: yesAdvanced Materials Technologies, EarlyView.
This paper presents an agar medium with a phosphorescent grid pattern that measures the stress distribution generated by growing plant roots. Using phosphorescence, the system optically separates the grid pattern from the root and extracts the grid deformation.
Gakuto Kagawa, Hidetoshi Takahashi
wiley   +1 more source

Numerical Study of Friction Behavior in Pneumatic Seal Cylinder [PDF]

open access: yes, 2019
This study presented the development of numerical model to investigate the behavior of the friction force between piston seal and cylinder bore. Two dimensional finite element model with constant velocity input was built.
Kariem, Muhammad Agus   +1 more
core   +1 more source

Modulus‐Switchable Miniature Robots for Biomedical Applications: A Review

open access: yesAdvanced Robotics Research, EarlyView.
Materials, robot designs, proof‐of‐concept functions, and biomedical applications of modulus‐switchable miniature robots. Miniature soft robots have shown great potential in biomedical applications due to their excellent controllability and suitable mechanical properties in biological environments.
Chunyun Wei, Yibin Wang, Jiangfan Yu
wiley   +1 more source

Indus Valley Cylinder Seal (replica) [PDF]

open access: yes
This is a replica of a cylinder seal from the Indus Valley civilization with 2 lines of script and a “meditating god”. The Indus Valley civilization, also called the Harappan civilization, was a Bronze age empire in modern day Pakistan, northwest India ...

core  

Auto‐Routing Fluidic Printed Circuit Boards

open access: yesAdvanced Robotics Research, EarlyView.
This work introduces (STREAM) software tool for routing efficiently advanced macrofluidics, an open‐source software tool for automating the design of 3D‐printable fluidic circuit boards. STREAM streamlines tube routing and layout, enabling the rapid fabrication of fluidic networks for soft robotics, lab‐on‐a‐chip devices, microfluidics, and biohybrid ...
Savita V. Kendre   +3 more
wiley   +1 more source

Continuity and Change in Glyptic Art in Light of Ancient Mesopotamian Cylinder Seals from the Yale Babylonian Collection

open access: yesAnadolu Araştırmaları
The advent of cuneiform writing in ancient Mesopotamia facilitated the reconstruction of the region’s political history, contributing to a profound understanding of societal lifestyles and perceptions.
Güzel Öztürk
doaj   +1 more source

Nimet Özgüç, The Anatolian Group of Cylinder Seal Impressions from Kültepe (Kûltepe Mûhûr Baskilarinda Anadolu Gruber). [PDF]

open access: yes, 1967
Parrot André. Nimet Özgüç, The Anatolian Group of Cylinder Seal Impressions from Kültepe (Kûltepe Mûhûr Baskilarinda Anadolu Gruber).. In: Syria. Tome 44 fascicule 1-2, 1967. pp.
Parrot, André
core  

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

open access: yesAdvanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu   +5 more
wiley   +1 more source

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