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Citrus limetta-peel mediated sheet- like MgO nano-catalyst for the production of biodiesel from jatropha Oil
Paschen–Back effect modulation of SO42- hydration in magnetized electrolyte toward dendrite-free Zn-ion batteries
Single-layer cluster ionic-chain networks with tetragonal pores
The random cascading origin of abrupt transitions in interdependent systems
Single‐Atom Fe Catalysts With Improved Metal Loading for Efficient Ammonia Synthesis Under Mild Conditions
Abstract Ammonia synthesis is a cornerstone in the chemical industry. Given that the traditional Haber–Bosch (H‐B) process requires very high temperature and pressure, it is imperative to develop catalysts capable of facilitating ammonia synthesis under mild conditions. In this work, a post‐metal replacement strategy is developed to improve the Fe loading in single‐atom Fe‐implanted N‐doped carbon catalysts. Starting from the Zn–Fe–N–C material with single‐atom Zn and Fe sites coexisting in N‐doped porous carbon pyrolyzed from porphyrinic metal–organic frameworks (MOFs), the replacement of single‐atom Zn with Fe sites is performed, which significantly increases the Fe loading from 1.33 to 2.39 wt%. This effectively suppresses the migration and agglomeration of Fe, yielding Fe–N–C with high metal loading (Fe HL –N–C). Notably, the Fe HL –N–C catalyst exhibits a catalytic rate of 558 µmol·g cat −1 ·h −1 at 300 °C for ammonia synthesis at atmospheric pressure, far surpassing the performance of the traditional dominant fused iron and even Ru‐based precious metal catalysts.
Fault-tolerant formation control of heterogeneous multi-agent systems with unknown inputs and external disturbances
Towards decoding motor imagery from EEG signal using optimized back propagation neural network with honey badger algorithm
A hybrid XAI-driven deep learning framework for robust GI tract disease diagnosis
Deep learning for smartphone-aided detection system of Helicobacter Pylori in gastric biopsy
A FPGA based recurrent neural networks-based impedance spectroscopy system for detection of YAKE in tuna
Structural re-evaluation of the human gluteus maximus
Abstract The gluteus maximus (GM) is a powerful hip joint extensor acting strongly on the femur. However, most anatomical literature describes that the larger superior portion of the GM is inserted into the iliotibial tract rather than the femur, resulting in an apparent discrepancy between its structure and function. To address this, we re-evaluated the GM structure in 25 formalin-fixed Japanese cadavers. We found that the superior three-fourths of the GM formed a strong plate-like distal tendon, which was mostly inserted into the gluteal tuberosity of the femur, with partial adhesions to the iliotibial tract. The remaining inferior portion terminates at a complex involving the lateral femoral intermuscular septum, plate-like distal tendon of the superior portion, and proximal tendon of the vastus lateralis. These findings resolve the functional anatomy discrepancy of the GM: the larger superior portion is primarily inserted into the femur, contributing hip joint movement, while the smaller inferior portion supports this function. Kinesiological data on the GM should be reinterpreted based on this precise anatomy. This will significantly improve our understanding of human GM function.