Design and Experimental Study of a Bionic Blade for Harvesting the Wild Chrysanthemum Stem
Wild chrysanthemum has a high medicinal value. Its mechanized harvest can improve harvesting efficiency, reduce labor costs and improve planting benefits, which is an important way to promote artificial planting.
Zhengdao Liu +6 more
doaj +1 more source
Optimisation of a cymbal transducer for its use in a high-power ultrasonic cutting device for bone surgery [PDF]
The class V cymbal is a flextensional transducer commonly used in low-power ultrasonic applications. The resonance frequency of the transducer can be tailored by the choice of end-cap and driver materials, and the dimensions of the end-caps.
Bejarano, Fernando +2 more
core +1 more source
Parameter Changes Which Characterize the Wear of the Cutting Tool in the Milling Process of Aspen Wood [PDF]
The aim of the paper is to determine changesof parameters (cutting power, roughness of woodensurface and rounding of cutting edge) whichcharacterize the wear of the cutting tool in the millingprocess of aspen wood (Populus tremula),depending on the rake ...
Andis ĀBELE, Ulvis MIONČINSKIS
doaj
Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
In recent years, the application of aluminum-based hybrid nanocomposites has been developed in industries like automotive and aerospace due to their remarkable properties. Hence, the machinability investigation of these materials is essential.
Reza Abedinzadeh +2 more
doaj +1 more source
Time after time – circadian clocks through the lens of oscillator theory
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo +2 more
wiley +1 more source
Integration of ANN and RSM to Optimize the Sawing Process of Wood by Circular Saw Blades
Various parameters, like blade design, rotational speed, feed speed, tooth geometry, wood moisture content, and wood species, influence the efficiency and quality of sawing processes.
Mihai Ispas +3 more
doaj +1 more source
The Effect of Thermal Treatment of Birch Wood on the Cutting Power of Plain Milling
This article deals with cutting power during the plane milling of thermally treated and untreated silver birch (Betula pendula Roth.) wood. Thermal treatment was carried out at various temperatures of 160, 180, 210, and 240 °C.
Monika Kvietková
doaj +1 more source
A novel haptic model and environment for maxillofacial surgical operation planning and manipulation [PDF]
This paper presents a practical method and a new haptic model to support manipulations of bones and their segments during the planning of a surgical operation in a virtual environment using a haptic interface. To perform an effective dental surgery it is
Arnez, Victor +7 more
core +1 more source
The newfound relationship between extrachromosomal DNAs and excised signal circles
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley +1 more source

