The early displacement monitoring of excavation pits is currently a primary method to prevent pit collapse accidents. However, conventional mainly relies on regular manual measurement or automated professional instrument measurement, which results in high cost, complex operation and deployment, non-real-time non-intuitive data collection. Consequently, this paper proposes for the visual three-dimension (3D) based two-stage Perspective-n-Point (PNP) algorithm. Initially, markers are installed...

Increasing evidence indicates that environmental tobacco smoke (ETS) impairs cognitive function and induces oxidative stress in the brain. Recently, astaxanthin (ATX), a marine bioactive compound, has been reported to ameliorate deficits. However, underlying pathogenesis remains unclear. In this study, ATX administration (40 mg/kg 80 mg/kg, oral gavage) cigarette smoking were carried out once day for 10 weeks investigate whether p38 MAPK is involved response treatment cortex hippocampus of...

There is an increasing evidence that oxidative stress plays important role in the pathogenesis of rhabdomyolysis-induced acute renal failure (ARF). In this study, protective effects L-citrulline on glycerol-induced ARF rats were investigated. Six groups employed study: group 1 served as a control; 2 was only given glycerol (50%, 10 mL/kg, i.m.); 3 plus dexamethasone (0.1 mg/kg, i.g.) positive reference drug, starting at same time injections; last three (300, 600, and 900 respectively,...

A numerical calculation model of offshore wind power monopile foundation in heterogeneous soil was established by finite element software ABAQUS. The wave, ocean current and load on the were equivalent to bidirectional symmetrical cyclic load. influence rules different factors variation characteristics along pile circumferential direction inner outer walls resistance under horizontal studied. results show that frequency has a great passive earth pressure at side wall loading area increases...

Higher-Order Spectral techniques perform well in non-Gaussian signal processing. In this paper, we propose a novel method for lung sounds feature extraction based on AR model bispectrum estimation. By the bispectral cross correlation analysis, select orders and apply them to estimate parametric of sound signals. Then extract features signals (normal, pneumonia asthma) compare bi-frequency domain. To get more information bispectrum, presented divides cycle into inspiration phase expiration...

Abstract This paper examines the potential of polymer flooding for recovering viscous oils when is able to reduce residual oil saturation a value less than that waterflood. If polymers can saturation, an important factor light and medium gravity crude oils. However, it displacing oils? Since displacement efficiency often poor water or even solutions are injected displace oils, some have questioned whether Sor relevant. uses fractional flow calculations examine this question conditions in...

Previous studies have been performed to image photosensitizers in certain organs and tumors using fluorescence laminar optical tomography. Currently, no work has yet published quantitatively compare the signal compensation of tomography with two-dimensional (2-D) imaging tissues.The purpose this study is quantify benefit that holds over 2-D imaging. We compared maximum intensity projection simulate imaging, as would be most similar stringent comparison.A capillary filled a photosensitizer...

Time-resolved angled Fluorescence Laminar Optical Tomography (aFLOT) imaging system with 5 ms temporal resolution was developed to record 3D neural activities evoked by single whisker deflection in sensory and motor cortices of mice vivo.

The powdered injection system (PowderJect) is a novel needle-free medical device for the delivery of drug and vaccines. underlying principle to harness energy from compressed Helium gas accelerate pre-measured dose vaccines in micro-particle form appropriate velocity order penetrate outer layer skin or mucosal tissue achieve pharmacological efiect. One PowderJect developments Venturi system, using venturi efiect entrain micron-sized particles into an established quasi-steady supersonic jet...

Currently, the operational risk assessment of quay crane operators at ports relies on manual evaluations based experience, but this method lacks objectivity and fairness. As port throughput continues to grow, accident rate has also increased, making it crucial scientifically evaluate behaviors improve their safety awareness. This paper proposes an automated evaluation a Deep Q-Network (DQN) assess in virtual scenarios. A simulation module been added existing remote operation system simulate...

Objective To investigate the effect of ketamine on depression-like behaviors at different developmental stages offspring rat exposed to prenatal restraint stress (PRS). Methods Pregnant SD rats were randomly divided into control group (n=6) and PRS (n=8). The dams received three times(45 minutes/time)restraint every day. anxiety-like offsprings two groups tested in stage juvenile, adolescence early adulthood. Then antidepressant was observed. Results In open-field test, time...

The precise positioning of the rotation center is an important condition for reconstructing high-quality CT images. In this paper we propose a calibration method based on weighted average. First divide projection sinogram into two sets data by limit 180°, thus can figure out coefficient and their corresponding detector probes. Then use maximum sub-maximal cross-correlation coefficients to obtain actual coordinates weighting average coordinate values elements. algorithm proposed in completely...