Results 81 to 90 of about 3,641,335 (326)
Protective Material of the Security Mechanism Friction Surface on the Ship Lift
The security mechanism of the ship lift has the needs of increasing the friction and being anti-corrosive. This article tried an antirust grease used on wire rope with high friction coefficient (Alice IRIS-400M grease) and rayed it with ultraviolet.
Wang Han
doaj +1 more source
Imbalanced Surface Charge Induced Phase Segregation in Mixed Halide Perovskites
The key factor determining the phase segregation in mixed halide perovskites (MHP) is the intrinsic imbalanced surface charges in the crystal lattice. MHP films with excellent crystallinity and surface morphology can suffer severe phase segregation.
Zixin Zeng+7 more
wiley +1 more source
Multi-wavelength Observations of VHE BL Lac Objects [PDF]
We present multi-wavelength observations of the very high energy (VHE, E >250 GeV) gamma-ray sources Mrk 421 and Mrk 501. The VHE data presented here were taken with the Whipple Observatory 10m gamma-ray telescope. In the Mrk 421 campaign, conducted in 1995 April-May, correlations were observed between VHE gamma-ray, X-ray, extreme ultraviolet (EUV ...
arxiv
This study presents excellent EMI shielding effectiveness of highly crystalline HC‐Ti3C2Tx MXene, characterized by high electrical conductivity, outstanding environmental stability, and facile processability, across a multispectral frequency range from 100 kHz to 110 GHz. It is revealed that increasing the thickness and electrical conductivity of MXene
Aamir Iqbal+13 more
wiley +1 more source
Gamma Ray Bursts as Probes of the First Stars [PDF]
The redshift where the first stars formed is an important and unknown milestone in cosmological structure formation. The evidence linking gamma ray bursts (GRBs) with star formation activity implies that the first GRBs occurred shortly after the first stars formed.
arxiv +1 more source
Graded refractive index (GRI) structures are prepared from the layer‐by‐layer spray coating of the mesoporous SiO2 nanoparticles, showing high solar transparency and thermal emissivity. Under outdoor conditions, after 50 days, the GRI‐coated photovoltaics show on average 6.65 ± 1.48 °C lower than that of the non‐coated references, maintaining 80.9 ± 8 ...
Heesuk Jung+14 more
wiley +1 more source
A method for localizing energy dissipation in blazars using Fermi variability [PDF]
The distance of the Fermi-detected blazar gamma-ray emission site from the supermassive black hole is a matter of active debate. Here we present a method for testing if the GeV emission of powerful blazars is produced within the sub-pc scale broad line region (BLR) or farther out in the pc-scale molecular torus (MT) environment.
arxiv +1 more source
Enhancing coloration of fruit of lightly pigmented sweet cherry fruit (Prunus avium L. cv. “Satohnishiki”) was attempted by postharvest irradiation with UV rays.
I. Kataoka+3 more
semanticscholar +1 more source
PBTTT‐OR‐R, a C14‐alkoxy/alkyl‐PBTTT polymer derivative, is of substantial interest for optoelectronics due to its specific fullerene intercalation behavior and enhanced charge‐transfer absorption. Comparing this polymer with (S) and without (O) homocoupling defects reveals that PBTTT‐OR‐R(O) forms stable co‐crystals with PC61BM, while PBTTT‐OR‐R(S ...
Zhen Liu+14 more
wiley +1 more source
INTRODUCTION: Paracetamol is a standard antipyretic and analgesic which is widely used since the 19th century. Currently, paracetamol is the first-line treatment for pain management of different types.
E. Mugwiza, I. Hahirwa, T. Umumararungu
doaj +1 more source