Postoperative visceral pain is a common complication after endoscopic retrograde cholangiopancreatography (ERCP). In this study, we compared the analgesic and anti-inflammatory effects of oxycodone fentanyl in children undergoing ERCP. A single-center, randomized, double-blind study was conducted at tertiary care hospital affiliated with Shanghai Jiao Tong University. Eighty-two pediatric patients aged 2-18 years who were scheduled for elective ERCP randomly assigned to receive either (0.2...

MicroRNAs (miRNAs) play a key role in the regulation of gene expression. In this study, we aimed to identify clinical values miR-1179 and investigate potential molecular mechanisms breast cancer (BC).RT-PCR was used detect expression levels both BC tissues cell lines. We analyzed association between clinicopathological factors patient prognosis. The proliferation ability on cells assessed by MTT colony formation assay. migration invasion measured transwell assays. Western blot analysis...

In this manuscript, we present a novel deployment protection method aimed at safeguarding aeronautical radio altimeters (RAs) from interference caused by fifth-generation (5G) telecommunication base stations (BSs). Our methodology involves an integrated model for defining prohibited zones and utilizes power control angle shutoff methods to mitigate interference. First, ensure reliable protection, define both horizontal vertical investigate their variations immunize RA against 5G Second,...

The purpose of this study is to reduce the aviation accidents and incidents induced by flight crew errors. A errors analysis classification system developed preliminary. In combination with exploration, interviews pilots, human error modes which will occur in task are identified. quantitative method assess established on Technique For Human Error Rate Prediction (THERP). a case study, takeoff analyzed, consequences identified, failure probability calculated. Those results useful for SSA...

For fast and accurate faulty line selection (FLS) in single phase-to-ground (SPG) faults for resonant grounded distribution networks (RGDNs), this paper proposes a FLS method based on zero-sequence power characteristics. Through analysis of the current SPG faults, it is found that transient contains abundant attenuated DC components, while sound weak, which could be utilized as technically practical way judging lines. Thus scheme using component energy integral put forward, highlights...

The study aimed to produce a novel porous gelatin-chondroitin-hyaluronate scaffold in combination with controlled release of TGF-β1 and evaluate its potentials ectopic cartilage formation. was developed mimic the natural extra cellular matrix cartilage. Gelatin microspheres loaded (MS-TGFβ1) showed fast cytokine at initial phase (37.4%) ultimate accumulated 83.1% by day 18. Then MS-TGFβ1 were incorporated into scaffold. MSCs seeded on or without incubated vitro implanted subcutaneously nude...

In recent years, the demands on performance and safety of turbofan engines for control systems have become increasingly stringent. Prioritizing over limiting protection is essential to ensure engine operation during transient states. Among various areas active research barrier functions, which offer advantages such as real-time solid capability, compatibility, constraints, robustness, this paper leverages these strengths design a function-based restriction method aircraft engines. This...

SVMs (support vector machines) is a new artificial intelligence methodology derived from Vapnik's statistical learning theory, which has better generalization than neural network. A C-support classifiers Based Fault Diagnostic Model (CBFDM) gives the 3 most possible fault causes constructed in this paper. Fivefold cross validation chosen as method of model selection for CBFDM. The simulated data are generated PW4000-94 engine influence coefficient matrix at cruise, and results show that...

The advanced nonlinear sliding mode control method of DGEN380 aero engine is presented in this paper. This a small high bypass ratio turbofan by which the approach invested. And paper focuses on power management function system includes steady and transient control. mathematical model built set dynamic equation that validated experimental data. single controller based designed can keep some certain thrust levels during state maintain repeatable performance operation from one requested level...

Rotor unbalance is the main vibration excitation source of rotating machinery accounting for 60~70% total machine fault. In this paper, fault and dynamic balancing are simulated by virtual prototyping technology based on mechanism theory. The single-face double-face studied. results validate correctness feasibility proposed method. contribution paper to provide one new way verify method analyze error without real test.

Abstract This paper explores the impact of artificial intelligence and machine automation on productivity. It focuses analyzing production model machinery based Petri nets. Through invariant analysis method, article constructs a presents its structure as correlation matrix. The study results show that has an error rate only 2.26% accuracy 90.14% in terms operational performance. Regarding time performance, training is 3854 seconds response 351 milliseconds, which are better than other...

Tower solar thermal power generation stands as a crucial technology within the realm of renewable energy, contributing significantly to reduction carbon emissions. The importance these findings is underscored in China's pursuit 'carbon peak' and neutrality.' Commencing with definition incident light unit vector L reflected K ascertain cosine loss, annual average efficiency determined 0.6635 through traversal averaging. Subsequently, transformation heliostat coordinate system into field...

With the significant expansion of civil aviation, particularly in low-altitude economy, there is a gap between escalating demand for airworthiness certification novel aircraft designs, such as electric vertical take-off and landing (eVTOL) vehicles, inefficiency current safety assessment process. This partially attributed to assessors’ limited exposure these innovative models process, necessitating extensive efforts identifying precedents their handling strategies. Complicating matters...

<p class="MsoNormal" style="text-align: justify;">Papillary thyroid carcinoma (PCT), follicular origin are divided into RAS-like malignancies and BRAF-like according to their molecular characteristics aggressiveness. With the continuous development of level, genetic mutations significant in diagnosis, treatment prognosis papillary carcinoma. This paper discusses latest progress cancer gene mutation its clinical application, order provide more efficient diagnosis means for patients.</p>

<div class="section abstract"><div class="htmlview paragraph">With the rapid advancement of Unmanned Aerial Vehicle (UAV) technology, their assigned missions have become significantly more intricate. Individual UAVs are no longer sufficient to meet these diverse and demanding requirements. There is now a shift towards employing multiple operating collaboratively address complex tasks, replacing reliance on singular units. This study focuses complexities coordinated flight within...

<div class="section abstract"><div class="htmlview paragraph">Aiming at the position and attitude separation control problem of “X” configuration tiltable quadrotor, an appointed-time prescribed performance anti-disturbance method is proposed. Firstly, quadrotor’s model description dynamic are presented, in which virtual inputs defined to solve non-affine allocation trickly. Then, laws designed for angle subsystems guarantee tracking errors’ transient steady-state performance....