Conjugated microporous polymers (CMPs) are of great interest because these types materials have high specific surface area and pore diameters less than 2 nm. CMPs found applications in the fields hydrogen storage, heterogeneous catalysts, gas-permeable membranes light-emitting organics. A large number recent reports demonstrated that can be prepared using several approaches like noble metal-mediated ethynyl, Sonogashira–Hagihara coupling, Suzuki coupling Yamamoto reactions. In this review,...

A chitosan/deoxyribonucleic acid (CHI/DNA)5 coating was constructed by layer-by-layer (LbL) assembly dip method with Mg(OH)2 as an inner protective layer on AZ31 alloy. X-ray diffractometry, photoelectron spectrometry, Fourier transform infrared spectroscopy and field-emission scanning electron microscopy were utilized to represent the chemical compositions surface morphologies of coatings. Electrochemical tests hydrogen evolution measurements implemented confirm good corrosion resistance...

A novel ferrocene-based nanoporous organic polymer has been prepared by coupling 1,1′-ferrocene-dicarboxaldehyde with melamine.

Nanofibers serve as widely employed tissue engineering scaffolds in diverse biomedical applications. When implanted vivo, it is crucial for to be visualizable, enabling the monitoring of their shape, position, and performance. This capability facilitates effective assessment implant deformations, displacements, degradations, functionalities. However, many imaging techniques such magnetic resonance (MRI), contrast often inadequate. MRI particularly notable its effectiveness soft tissues....

Vascular defects caused by trauma or vascular diseases can significantly impact normal blood circulation, resulting in serious health complications. grafts have evolved as a popular approach for reconstruction with promising outcomes. However, four of the greatest challenges successful application small-diameter are (1) postoperative anti-infection, (2) preventing thrombosis formation, (3) utilizing inflammatory response to graft induce tissue regeneration and repair, (4) noninvasive...

Herein, an efficient luminol-H2O2 electrochemiluminescence (ECL) system with bimetallic organic gels as ECL signal booster and innovative heterosequence aptamer recognition a target conversion strategy is used to construct sensitive specific aptasensor for the detection of β2-microglobulin (B2M), key biomarker end-stage renal disease (ESRD). Impressively, porous Fe@Cu (Fe@Cu MOGs) act coreaction accelerators confinement-enhanced reactors system, amplifying by 21-fold compared traditional...

Relatively clean cation-charged polystyrene (PS) latex particles were prepared via a novel and simple route in the absence of steric stabilizers. The reaction system only included medium, styrene, initiator with quaternary ammonium moiety. influences concentration, medium composition on diameter size distribution PS systematically investigated. particle morphology size, surface N content, respectively determined by SEM, XPS, laser analyzer. results indicated that monodisperse 0.45–0.95 μm...

Large-scale Transformer models (TM) have demonstrated outstanding performance across various tasks. However, their considerable parameter size restricts applicability, particularly on mobile devices. Due to the dynamic and intricate nature of gradients TM compared Convolutional Neural Networks, commonly used pruning methods tend retain weights with larger gradient noise. This results in pruned that are sensitive sparsity datasets, exhibiting suboptimal performance. Symbolic Descent (SD) is a...

Phase change fibers (PCFs) can effectively store and release heat, improve energy efficiency, provide a basis for wide range of applications. Improving storage density preserving flexibility are the primary issues in efficient manufacture application development PCFs. Herein, we have successfully fabricated suite flexible PCFs with high density, which use hollow carbon (HCFs) encapsulated phase materials (PCMs) to heat release, thereby enhancing efficiency underpinning broad The HCF/LA were...

In order to improve the thermal stability of silicon micro hotplate, a ceramic hotplate with structure suspending bridge was designed. The steady-state response and micro-heater were simulated by using finite element method. By conventional microelectronics technology laser processing technology, microstructures thickness 100 μm width 2 mm produced. test results show that has higher working temperature than traditional it can be worked steadily at average 630 °C on 1.5W heating power. Taking...

Thermal conductivities of the titanium carbide thin films with thickness ranging from 58 to 158 nm were measured at room temperature using transient thermoreflectance technique. The results show that thermal these are lower than corresponding bulk material values. reduction in conductivity can be attributed microstructure brought by film fabrication process. Both and atom ratio Ti/C important factors. increases increasing Ti/C. It also indicates beneficial management design could fabricated...

In this paper, electro-thermal-mechanical theoretical analysis of micro-hotplate-based micro gas pressure sensor is carried out, which on basis the classical heat transfer theory and rarefied dynamics. Combined with micro-hotplate (MHP) thermal-mechanical finite element modeling, coupled models regard to MHP-based built. Then, through ANSYS-one software-the simulation MHP went well. The results show that generates a smaller deformation because adding thermal conductivity, provides more...

The Ge doped Sb 2 Te thin films (Ge 5 , 0.15 and 0.61 Te) were deposited by magnetron co-sputtering using targets. doping effect on the phase transition behaviors thermal conductivity of composite was investigated. have higher crystallization temperature (~200°C), larger activation energy (~3.28 eV) better data retention (~120.8 °Cfor 10 years) lower (~0.23 W/mK). is considered to be a promising storage medium for change random access memory due its stability power consumption.

In this paper, the charge-pump PLL structure is well analyzed. By using top-down method, digital designed from frequency phase detector, charge pump, loop filter, VCO to divider. Based on 0.5μm CMOS mixed signal process, schematic and layout design finished Cadence IC 5.1.4.1, Hspice used for simulation. The verification parasitic extraction completed industry mainstream Calibre software. Simulation results show that with a 100MHz center frequency, locking range between 20MHz~60MHz, time...

Three dimensional integrated circuits (3D ICs) consisted of stacking and vertically interconnecting are an emerging technology with great potential for improving system performance. 3D integration relies on Through Silicon Via (TSV) interconnection interlayer bonding between the silicon layers. Due to advantages higher device density, lesser signal delay, shorter length smaller package size, this attracts growing attentions. A number innovative processes contribute realization IC. These...