The utilization of piezoelectric nanogenerator (PENG) based on halide perovskite materials has demonstrated significant promise for energy harvesting applications. However, the challenge synthesizing with both high output performance and stability using a straightforward process persists as substantial obstacle. Herein, we present fabrication CsPbI3 nanorods (NRs) exhibiting highly uniform orientation within polyvinylidene fluoride (PVDF) fibers through simple texture engineering approach,...

An ultrasensitive new sensor based on functionalized triangular gold nanosheet layers for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) detection was proposed. For this purpose, 3-mercaptopropyltrimethoxysilane (MPTMS) used to fix nanosheets (AuTNPs) the surface of optical fiber. AuTNPs have a unique tip structure and excellent localized plasmon resonance (LSPR) effect, which can improve sensitivity sensor. Then, monoclonal antibodies (mAbs) are fixed by covalent bonds make...

A novel glucose large-diameter optical fiber localized surface plasmon resonance (LSPR) sensor was constructed based on chemical cross-linking and electrostatic methods of oxidase–graphene oxide–gold nanoparticles (GOD–GO–AuNPs). The GOD-catalyzed oxidation reacts with oxygen to produce gluconic acid <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\text{H}_{{2}}\text{O}_{{2}}$ </tex-math></inline-formula>...

In line with the safety management requirements for vehicles transporting dangerous goods, a variety of sensors targeting vehicle posture, acceleration, temperature, and more were selectively utilized to construct wireless sensor monitoring network through detection, Beidou satellite positioning, remote communication technologies. This processes integrates signals from multiple perform real-time detection status goods on their journey. Detected hazardous states are transmitted control center...

A stable fiber optic miRNA-126 sensor based on RNA-modified graphene oxide encapsulated gold nanoparticles was developed. Experiments and characterization showed that the detection of by this LSPR effect rather than refractive index response. RNA probes 1 2 complementary paired with bases were designed synthesized, immobilized in GO AuNPs functionalized fiber-optic sensing using salt aging method. The zeta potential colorimetric analysis composite indicated improved stability GO-AuNPs. able...

To tackle the global pandemic of COVID-19 outbreak, which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), there a need for highly accurate diagnostic tests at all stages infection with high sensitivity and rapid. Herein, novel optical fiber localized surface plasmon resonance (LSPR) SARS-CoV-2 sensor based on triangular gold nanosheets was reported. Triangular (AuTNPs) have unique tip structure excellent LSPR effect, it can improve sensor. The Au-mAb biosensor...

Abstract The attitude detection of 3-DOF actuator is an important technology spherical control. For the space change stator and traditional method invalid, relative coordinate transformation proposed in this paper, through analysis systems actuator. transformed data proved by using MATLAB platform. are compared paper. Using algorithm, position system based on MEMS six-axis sensor designed. two sensors to detect both rotor, realized. received from used verify feasibility.

Abstract Blood glucose detection is an essential of diabetes management, so it urgent to develop a convenient and practical blood monitoring method. Herein, wide range colorimetric assay for the based on enzymatic etching triangular gold nanosheets was reported. In presence oxidase (GOD) catalyzed oxidation produce hydrogen peroxide (H 2 O ), which induced (AuTNPs) from round. The shape size AuTNPs changed. Both reaction H can lead LSPR displacement. Then mechanism closely related...

With the development of society, power system flow calculation becomes more important. Another new method for polar coordinates Newton Raphson was proposed according to operating characteristics. This research eliminated vacant Jacobian matrix completely, reduced amount computer memory requirements greatly and also canceled inversion completely.

In this research, a storage system, suitable for the power system of construction, is proposed and optimized. The mainly consists control converter, flywheel motor. This can release pressure grid during on-peak period supply consumers with cheap energy. research going to analyze characters then adjust its structure architecture.

Blood glucose detection is an essential of diabetes management, so it urgent to develop a convenient and practical blood monitoring method. Herein, novel colorimetric assay for based on enzymatic etching triangular gold nanosheets was reported. In the presence oxidase (GOD) catalyzed oxidation produce hydrogen peroxide (H2O2), which induced (AuTNPs) from corner, leading blue shift in absorption peak. Both reaction H2O2 can lead localized surface plasmon resonance (LSPR) displacement. this...

In view of the present domestic demand with data processing technology seismic while drilling, a set software system suitable for drilling was developed. The based on hierarchical structure and article described architecture system. It also defined function at all levels in detail. results showed that: is stable has good adaptability extensibility.

It is well known that the hydraulic drag force on objects cant be ignored in computing movement of water. And forces sphere and cuboids have long been studied. While engineering, with regular tetrahedron shape are widely used to form foundation temporary dam for they can interlock each other obtain a compacted integral. In this article vertical studied by indoor experiments, relation coefficient velocity proposed. max speeds different materials deduced. The result helpful compute water...

A perimeter security system based on ultra-weak fiber Bragg grating high-speed wavelength demodulation was proposed. The for signal acquisition and calculation designed field programmable gate array (FPGA) platform. principle of recognition method were analyzed theoretically, the Support Vector Machine model introduced to optimize event accuracy system. experimental containing 1000 gratings, sense optical cables with a diameter 2.0 mm reflectivity 0.01%, steel space frames equipments built...

Abstract With the rapid development of airborne system and software, requirement software’s robustness, adaptability reliability improves continually. Failure software function may cause severe property loss personnel casualties. Formal methods are mathematically based techniques for specification, development, verification aspects digital systems that have obvious advantages in improving safety software. This paper takes Air Data Computer as an example formal whole process including...