A dual-circular polarization (CP) textile antenna is investigated for wearable applications at 3.5 GHz WiMAX and 5.8 industrial, scientific, medical bands. The proposed composed of a dual-band monopole rotation artificial magnetic conductor (PRAMC). Through the PRAMC, dual-CP radiation enabled backward alleviated, in which left-handed CP generated lower band right-handed realized upper band. Notably, dyadic reflection coefficient analysis employed to understand operating mechanism. Both...

In this work, two new imidazoline derivatives were successfully synthesized, and the molecular structure of which has been proved by IR, Raman elemental analysis. The corrosion inhibition performance for carbon steel in 3.5 wt% sodium chloride simulation-concrete-pore solution was investigated. weight loss electrochemical test results exhibited that compared to blank systems, efficiency effectively enhanced with increasing concentrations derivatives, maximum weight-loss is 96.02%....

Abstract In this study, we aimed to address the primary challenges encountered in industrial integrated circuit (IC) surface defect detection, particularly focusing on imbalance information density arising from difficulties data sample collection. To end, have developed a new hybrid architecture model for IC detection (SDDM), based ResNet and Vision Transformer (ViT). The core innovation of SDDM lies integration concepts image dataset density, effectively identifying processing areas high...

A high yield of environmentally friendly N,S-codoped (N,S-CDs) and N-doping carbon points (N-CDs) dots was achieved through a biochemical oxidation reaction at room temperature in this study. Acetaldehyde, sodium hydroxide, benzotriazole (BTA), 2-mercaptobenzimidazole (MB) with similar structure were used as raw materials. The microstructure properties the corrosion inhibitor for Q235 steel evaluated by various experiments. results demonstrated enhanced inhibition rates N,S-CDs compared to...

Abstract In the evolving landscape of water treatment, membrane technology has ascended to an instrumental role, underscored by its unmatched efficacy and ubiquity. Diverse synthesis modification techniques are employed fabricate state‐of‐the‐art liquid separation membranes. Click reactions, distinguished their rapid kinetics, minimal byproduct generation, simple reaction condition, emerge as a potent paradigm for devising eco‐functional materials. While metal‐free thiol‐ene click is...

Alcohols are reported to have superlubricity at low loads during sliding; however, their lubricity under high has rarely been reported. Meanwhile, the lubrication mechanism of alcohols is still not well understood. Here, we first report methanol 98 N and 1450 rpm demonstrate formation graphene fullerene-like nanostructures induced by tribochemical reactions. Results show that was mainly attributed friction-induced boundary condition. Besides that, wear rate a YG8 hard alloy ball occurred...

A novel borate ester derivative containing mercaptobenzothiazol and ethanolamine group (BMB) was synthesised characterised. Its tribological properties in RSO were evaluated using a four-ball tribometer, its action mechanisms investigated by scanning electron microscopy X-ray photoelectron spectroscopy. hydrolysis stability open observation method half-time method, mechanism discussed through Gaussian calculation. Results show that BMB possesses excellent extreme pressure, better anti-wear...

Benzotriazole and borate derivatives have long been used as multifunctional additives to lubricants. A novel, environmentally friendly additive ester (NHB), which contains boron, ethanolamine, benzotriazole groups in one molecule, was synthesized by a multi-step reaction, its tribological properties rapeseed oil (RSO) were investigated four-ball tribometer. The hydrolysis stability of the half-time open observation methods, mechanism discussed through Gaussian calculation. novel compound NHB...

Abstract A novel imidazoline derivative has been synthesized and its molecular structure confirmed by IR, Raman, elemental analysis NMR, the of inhibitor is similar to that previous research. In this paper, inhibition performance mechanism three inhibitors (SMID, SMIS SMIF) in concrete simulation solution are analyzed compared. The corrosion efficiency SMIF (96.02 %) > (93.62 %)>SMID(93.01 weight loss experiment, electrochemistry Nyquist potentiodynamic polarization were 89.72 % 92.03...

A middle base number sulphonate-modified nano calcium carbonate (SMC) with an average size of 35 nm was synthesized, and its tribological antioxidation synergistic behaviors ashless antioxidant N-phenyl-α-naphthylamine (T531) in hydrogenated oil (5Cst) were evaluated. The results demonstrate that adding this synthesized additive even at a low amount (<2.0 wt.%) can evidently improve load-carrying capacity by 1.5 times enhance antiwear performance; addition, the friction-reducing effect high...

The integration of external devices and network connectivity into autonomous vehicles has raised significant concerns about in-vehicle security vulnerabilities. Existing mechanisms for bus systems, which mainly rely on appending authentication codes data encryption, have been extensively studied in the context CAN CAN-FD buses. However, these approaches are not directly applicable to Ethernet buses due much higher transmission rates compared other real-time encryption decryption required by...

Abstract Three novel S‐P‐N type triazine derivatives were synthesised, and their structures analysed through elemental analysis, tribological behaviours as additives in rapeseed oil evaluated using a four‐ball tester. The extreme pressure antiwear (AW) mechanism was investigated by X‐ray photoelectron spectroscopy (XPS) scanning electron microscopy (SEM). results indicate that the possess excellent load‐carrying capacity AW ability but have some friction‐reducing property only under low load...

Two kinds of phenol- and N- containing borate ester, BTEB BMEB have good hydrolysis stability due to the B-N coordination bond. The PB value improved by 60.7% 67.6% respectively at 0.5wt% BTEB, in rapeseed oil. Their antiwear effect increases with increase adding content, is better than BTEB. friction-reducing BMEB. All additives formed a protective film which BOx, FeOx other organic nitrogen compounds. capacities may complex boundary lubricating contain ferrous sulfate, sulfide. possessed...

2,4-Di-(diethanolamine)-6-(diethanolaminedithiocarbamate)-1,3,5-triazine, a novel water-soluble triazine derivative, was synthesized. As additive in pure water and water-glycol, its tribological behaviors were evaluated by four-ball tester. The results showed that this new derivative exhibited excellent extreme pressure, antiwear, friction-reducing properties. compound can be used as multifunctional lubricant water-glycol. wear scar diameter friction coefficient increased along with the...

N‐containing heterocyclic compound (NCHC) was a common used green lubricant addictive due to their extreme pressure, antiwear and friction–reduction performance, high thermal stability, ethylene glycol (EG) as exhibited superior tribological combining of NCHCs, which suitable candidate for further improving the tribosystems' properties. Thus, in this work, synergistic effect between EG 2,4,6‐Tris(2‐pyridinyl)‐s‐triazine (TPT) on performance explored coupling applied loads rotational speed....

Two N-containing borates, BTES and BMES, were synthesized with dodecyl phenol, 2-(N-containing heterocyclic) ethan-1-ol, boric acid, dibutylamine, their tribological properties in rapeseed oil (RSO) investigated using a four-ball tester. The results showed that the load-carrying ability (PB value) of RSO can be improved by 40.9% 67.9%, respectively, when 0.5 wt% BMES. Moreover, antiwear friction-reducing performances additive-containing oils increased additive concentration. X-ray...

Tribological properties of two hydroxyl- and only active nitrogen-containing water-soluble imidazoline derivatives, benzotriazole-containing (BML) caprylic acid-containing (CML), as lubrication additive in water–glycol hydraulic fluid were evaluated with a four-ball tester. And the antirust anticorrosion behaviors also investigated. Results show that BML CML able to remarkably improve when added at low adding concentration, these performances was better than CML. All additives exhibited good...