Climate change poses a significant global challenge that necessitates concerted efforts toward carbon neutrality. Circulating fluidized bed (CFB) boilers have gained prominence in various industries due to their adaptability and reduced emissions. However, many current control systems rely heavily on manual operator intervention lack advanced automation, which constrains the operational efficiency. This study addressed need for dynamic models capable of monitoring optimizing NOx emissions...

Three-dimensional graphene foam (GF) is synthesized by CVD. When water flows through GF, electricity induced. The direction of the induced current dominated flow water; value related to velocity but has no relationship with and external bias voltage.

Due to the limitations of spatial resolution and detector level, traditional hyperspectral image target detection focuses more on spectral analysis, morphology information is not fully utilized in detection. The Constrained Energy Minimization (CEM) method a classic algorithm that can highlight target, suppress background information, achieve effect separating from image. However, CEM supervised requires obtaining advance. various factors such as material composition, object shape, imaging...

BACKGROUND Osteopontin (OPN) is a molecule expressed in numerous cancers including colorectal cancer (CRC) that correlates disease progression. The interaction of OPN promotes CRC cell migration, invasion, and stem-like cells (CSCs) have not been elucidated. Hence, we aimed to investigate the mechanisms might be involved. MATERIAL AND METHODS Expression tumor tissues derived from patients was monitored with real-time quantitative polymerase chain reaction western blot. Wound healing...

Abstract This paper proposes a research method to enhance the accuracy and real-time capability of helmet detection in complex industrial environments, aiming address engineering challenges poor robustness significant occurrences both false positives negatives existing methods. In this study, C2F (faster version CSP Bottleneck with two convolutions) module FE (FasterNet EMA) are integrated into network architecture YOLOV8 form new attention mechanism called C2F-FE. enhances model’s...

In this work, the electrical conductance and induced current of three-dimensional graphene foam (GF) are investigated when mixture water ethanol flows through it. When different mixing ratios ethanol:water (ethanol:water = 25:75, 50:50, 75:25, 100:0 by volume) flow GFs, their is almost same as that original GF. Meanwhile, can be obtained The direction depends on mixture, value has no dependence but closely related to velocity polarity mixture. mechanism electricity discussed, which...

Circulating fluidized bed (CFB) boilers excel in low emissions and high efficiency, with temperature serving as a critical indicator of combustion stability, heat transfer pollutant reduction. This study proposes novel framework for predicting CFB under complex operating conditions. The begins by collecting historical operational data from power plant Distributed Control System (DCS) database. Next, the Complete Ensemble Empirical Mode Decomposition Adaptive Noise (CEEMDAN) algorithm is...

Tin-based halide perovskite light-emitting diodes (PeLEDs) emitting in the near-infrared region beyond 900 nm hold tremendous potential for applications night vision, biomedicine, and communications. However, rapid crystallization oxidation of Sn2+ tin-based perovskites pose significant challenges achieving stable PeLEDs with high performance. Here, we report an efficient all-inorganic CsSnI3-based PeLED by employing a multifunctional hesperetin additive to modulate kinetics inhibit process...

Abstract A discrete element numerical model of polyurethane porous elastic mixtures has been established to study the damage characteristics mixtures. Based on model, whole process displacement particles and development fine cracks in under uniaxial compression observed. Under compression, outside specimen was larger than that center specimen. The distribution disorderly overall. And continued appear top inside at late loading stage. number shorter greater longer cracks.

Hyperspectral imaging can simultaneously obtain the spatial morphological information of ground objects and fine spectral each pixel. Through quantitative analysis characteristics objects, it complete task classification recognition objects. The appearance spectrum technology provides great advantages for military target detection promotes continuous improvement reconnaissance levels. At same time, camouflage materials methods that are relatively resistant to hyperspectral also developing...

The paper introduces a wireless sensor network (WSN) used for an intelligent temperature measurement system. In the system, signals are acquired by digital multipoint thermometers, and transmitted to advanced RISC microprocessor (ARM) using Wireless Fidelity (WiFi) technology. Then they stored in SD card which is controlled according IIS-bus standard format. software design of data acquisition completed this paper. progress transplanting Linux operating system ARM hardware platform...

Abstract Target detection based on hyperspectral images refers to the integrated use of spatial information and spectral accomplish task localization identification targets. There are two main methods for target detection: supervised unsupervised methods. Supervision method differences between be tested surrounding background identify when spectrum is known. In ideal situations, object algorithms perform better than algorithms. However, current mainly have problems: firstly, impact...

Hyperspectral reconnaissance technology can realize three-dimensional by using target space and spectral information, which effectively improves the efficiency of battlefield reconnaissance. However, in order to obscure what is true false confuse enemy, camouflage also developing. Hiding background environment setting targets have become common procedures on battlefield. The camouflaged has very similar spatial characteristics real target, so method identifying according similarity threshold...

High-precision barometric altitude measurement method and technology are studied in this paper. A new MEMS piezoresistive pressure sensor microprocessor used to realize measurement. Temperature drift error of the is compensated by quadratic compensation algorithm value digitally filtered median filtering combined with an arithmetic average further improve accuracy. Experimental results show that designed can operate at -0.75 km 10 km, a resolution up 0.62 m, it has advantages small size, low...

Mongolian medicine Sendeng-4 (SD-4) has demonstrated satisfactory clinical treatment outcomes for rheumatoid arthritis (RA); nevertheless, its bioactive components and the related mechanisms have not yet been clearly elucidated. To explore chemical of SD-4 in RA possible mechanisms, an High Performance Liquid Chromatography-tandem mass spectrometry (HPLC-MS/MS) method was established to simultaneously quantify main SD-4, ultraperformance LC-Q-Exactive-MS/MS (UPLC-Q-Exactive-MS/MS) used...

A fuzzy PID control algorithm is studied based on improved particle swarm optimization (PSO) to perform Brushless DC (BLDC) motor which has high accuracy, good anti-jamming capability and steady state accuracy compared with traditional control. The mathematical simulation model established for BLDC by simulink software, the speed loop of controller designed. results show that PSO higher stability, precision faster dynamic response speed.

Compressive sensing provides a new idea for machinery monitoring, which greatly reduces the burden on data transmission. After that, compressed signal will be used fault diagnosis by feature extraction and classification. However, traditional heavily depends prior knowledge requires reconstruction cost great time consumption. For this problem, deep belief network (DBN) is here detection directly signal. This first DBN combined with compressive sensing. The PCA analysis shows that has...

A voltage is induced when the graphene nanodrums move and its magnitude sign depend on upheaval/sinking of nanodrums.

Researchers have proposed a variety of classification schemes for the species in genus Muntiacus (Artiodactyla: Cervidae) based on morphological, molecular, and other evidence, but disputes remain. The Tibetan Yarlung Zangbo Grand Canyon National Nature Reserve Eastern Himalayas is an area with rich diversity muntjac species. habitats many overlap this area, systematic research lacking. To clarify species, population habitat size study we used camera-traps to monitor muntjacs nature reserve...

The edge detection system is an important part of intelligent vehicles. An adaptive threshold proposed for traditional Sobel cannot satisfy the demand accuracy. includes CMOS image sensor, FPGA, DDR2 and VGA etc. real-time performance good by aid high-performance Cyclone IV GX series FPGA DDR2. experiment shows that algorithm based on can be realized FPGA. And has characteristics high accuracy excellent performance.

Resonant tunnelling diode photodetectors with a 600 nm In0.53Ga0.47As absorption layer were fabricated by molecular beam epitaxy. The current–voltage characteristics of devices different mesa diameters tested and the negative differential resistance was observed in all devices. responsivity detector measured to be 4.19 × 105 A/W at 77 K 1.92 104 room temperature under incident light power 3.1 nW.