Automatically translated preprints from the Chinese arXiv (ChinaXiv).
Showing 50 of 1495 papers
The theory and practices of logging facies have confirmed that the grain sequence in sedimentary sandstones is closely related to the amplitude and morphological characteristics of vertical well logs. However, the corresponding studies of longing responses of horizontal wells in sedimentary sandston…
[Objective] To translate and culturally adapt the Attitude Scale Towards the Use of Artificial Intelligence Technologies in Nursing (ASUAITIN) and examine its reliability and validity, thereby providing an assessment instrument for evaluating clinical nurses' attitudes toward the application of arti…
Based on the tensor-based large margin distribution and the nonparallel support tensor machine, we establish a novel classifier for binary classification problem in this paper, termed the Large Margin Distribution based NonParallel Support Tensor Machine (LDM-NPSTM). The proposed classifier has the …
Based on Biot's theory, a 2.5-dimensional finite element analysis model for the coupled track–subgrade–multilayer saturated soil foundation system was established, a calculation method for subgrade cumulative settlement considering actual cyclic train loading was proposed, and the influences of wate…
Against the backdrop of national new infrastructure development and intelligent construction, intelligent roadbed compaction technology is burgeoning; however, the low correlation and reliability of traditional compaction degree characterization indicators hinder the promotion and application of int…
Grouting serves as an effective method for mitigating geotechnical disasters in subsea tunnels. However, current theories and designs, primarily based on terrestrial tunnel contexts, seldom address the long-term effects of seawater ion erosion on reinforcement. An improved sand permeation grouting s…
Grouting is a common technical measure to improve the mechanical properties of broken rock mass and ensure the stability of underground excavation. The strength characteristics of reinforced broken rock mass are important parameters in geotechnical engineering design. However, due to the complex str…
For roadbed engineering in karst regions and over mined-out areas, improper treatment of underlying voids can readily induce subsidence and other distresses. Grouting reinforcement constitutes one of the common measures for treating karst voids. The typical grouting procedure encompasses drilling, h…
For mountainous highway engineering, the local utilization of earth-rock materials for roadbed filling can significantly reduce transportation costs and improve resource utilization efficiency. However, earth-rock mixed fill often faces the following problems in engineering applications: (1) The roc…
In China, annual generation of building-related construction and demolition waste (brCDW) exceeds 2 billion tons, with a recycling rate of less than 40%, significantly lower than the European average. The majority of unrecycled brCDW is either landfilled or stockpiled in suburban areas, leading to s…
To address the limitations of traditional linear non-stationary random field models in handling the nonlinear variation of soil parameters in fill slopes, this paper proposes a non-stationary random field model employing piecewise linear functions as trend functions. The coefficient calculation meth…
In the Eastern Himalayan Syntaxis region, watershed-scale geological hazards occur frequently, causing significant casualties and infrastructure damage. This study establishes a systematic research methodology from regional scale to individual hazard sites, encompassing the construction of a geologi…
Frame prestressed anchor bolt systems are widely employed in slope engineering, wherein the stability of multi-stage slopes represents a core element of construction safety. Research on the sensitivity of influencing factors and the correlation between stability and displacement for multi-stage slop…
Charge radii are sensitive indicators to identify the nuclear structure phenomena throughout the whole nuclide chart. In particular, the shrunken trend of changes of charge radii along a long isotopic chain is intimately associated with the shell quenching effect. In this work, the systematic evolut…
Biochar and animal manure application can improve crop yields in salt-affected soil. Previous studies have primarily applied biochar and animal manure either alone or at fixed ratios, while their combined effects with varying combination proportions are still unclear. To address this knowledge gap, …
Grassland is a key component of the ecosystem in the Qinghai Lake Basin, China. Understanding the effects of climate change and human activities on grassland productivity significantly improves ecological conservation and promotes sustainable vegetation growth in this area. Based on the net primary …
Understanding plant community assembly is crucial for effective ecosystem conservation and restoration. The ecological filter framework describes community assembly as a process shaped by dispersal, environmental, and biotic filters. Additionally, functional traits and phylogenetic relationships are…
The Loess Plateau (LP), one of the most ecologically fragile regions in China, is affected by severe soil erosion and environmental degradation. Despite large-scale ecological restoration efforts made by Chinese government in recent years, the region continues to face significant ecological challeng…
Coal mining renders soil susceptible to heavy metal (HM) accumulation, adversely affecting the ecological environment and human health, particularly in extremely arid and vulnerable regions. This study collected soil samples from the Heishan open-pit coal mine in Turpan City, Northwest China, to ass…
Understanding the impact of meteorological and topographical factors on snow cover fraction (SCF) is crucial for water resource management in the Qilian Mountains (QLM), China. However, there is still a lack of adequate quantitative analysis of the impact of these factors. This study investigated th…
Precipitation is scarce in semi-arid areas, which results in serious drought. Occurrence of flash drought is quite often in these areas, and flash drought may also cause significant disasters. However, monitoring flash drought is still weak and remains a challenge. This study aims to identify, evalu…
Ischemic stroke, as one of the leading causes of disability and mortality worldwide, has witnessed significant advances in research on prognostic biomarkers in recent years. This study reviews the mechanisms of action and research progress on the utility of various biomarkers, including hematologica…
Cardiovascular disease is one of the major diseases threatening women's health, and postmenopausal women are a high-risk population for cardiovascular disease. The decline in estrogen levels after menopause may promote the accumulation of visceral fat, and increased visceral fat is closely associate…
Background Hemorrhoids are the most common disease in anorectal surgery, with a large patient population. The integrated traditional Chinese and Western medicine approach demonstrates significant advantages in clinical practice. Currently, there is a lack of high-quality guidelines or recommended st…
Post-stroke cognitive impairment (PSCI) is a common sequela in stroke patients, severely affecting their quality of life and often being overlooked. The high incidence, insidious symptoms, and heavy social burden of PSCI have made it a research priority. Understanding the prevalence and related fact…
Background Under the government's high attention to the development of general practice, tertiary general hospitals have successively established general practice departments. The disciplinary characteristics of general practice departments give them significant advantages in the admission and manag…
Background Hemorrhoids are one of the common diseases in colorectal and anal surgery, and injection therapy is a commonly used treatment modality. However, nationwide data regarding the depth of application and standardized usage of injection therapy are currently lacking, necessitating this investi…
Background: With the continuous deepening of the family doctor contract service system, how to effectively extend family doctor contract services to functional building populations has emerged as a key focus. Understanding the demand characteristics of this population is a critical approach for deve…
Immune-mediated inflammatory diseases (IMIDs) commonly affect women of childbearing age, and the impact of therapeutic agents on pregnancy outcomes, fetal development, and infants complicates pharmacotherapeutic decision-making during pregnancy and lactation. This article reviews the latest domestic…
The prevalence of obesity-related hypertension has risen markedly worldwide, emerging as a focal point of attention in the current medical community. Obesity increases the difficulty of controlling hypertension, promotes cardiovascular and cerebrovascular injury, and aggravates disease burden. Abnor…
Background: The application of deep learning in medical imaging faces challenges such as time-consuming and labor-intensive data annotation, which restricts the efficiency of its clinical translation. Objective: To investigate the feasibility and efficacy of a deep learning network that integrates t…
In the present study, we systematically calculate the photon absorption cross sections of even-even nuclei in the neodymium (Nd) isotopic chain using the Dirac quasiparticle finite amplitude method (relativistic QFAM) in conjunction with the differential small-amplitude broadening approximation (TSA…
Background In recent years, medical research has identified a certain association between Relative Fat Mass (RFM) and cardiovascular disease (CVD). However, nationwide cohort studies on the relationship between RFM and CVD incidence risk in Chinese populations remain limited. Objective To analyze th…
Stroke represents one of the principal causes of the global burden of disease and mortality, concurrently ranking as the leading cause of death in the Chinese population, and has emerged as a major public health problem threatening public health and social development. Prior research has demonstrate…
背景 Traditional Chinese medicine (TCM) possesses profound theoretical foundations and extensive practical applications in the field of maternal and child health, with the state actively promoting the development of TCM work in this domain. However, issues such as insufficient knowledge of perinatal T…
Named Entity Recognition (NER, NamedEntityRecognition) is a critical component in natural language processing systems, widely applied in tasks such as question answering, information retrieval, and relation extraction. Although NER systems have undergone decades of research and development, named en…
Massive stars are important sites for the weak s-process (ws-process). 22Ne and 16O serve as the primary neutron source and neutron poison for the ws-process, respectively. In metal-poor stars, the abundance of 22Ne is constrained by metallicity, making the 22Ne(α, n)25Mg reaction's contribution to …
Background Cancer patients often develop symptoms such as muscle wasting, yet the underlying pathological mechanisms remain incompletely elucidated. Objective To investigate the pathological mechanisms of cancer-associated skeletal muscle injury and to examine the therapeutic effect of the Yiqi Chut…
Background Hypertension, diabetes mellitus, and dyslipidemia ("the three highs") frequently coexist with metabolic-associated fatty liver disease, exerting mutual influence and significantly increasing the risk of adverse cardiovascular and hepatic outcomes. Currently, standardized diagnostic and th…
Chronic obstructive pulmonary disease (COPD) and lung cancer (LC) are respiratory diseases with high incidence and mortality. COPD is an independent high-risk factor for LC, and the two conditions influence each other, posing challenges to clinical diagnosis and treatment. Early detection and treatm…
The technique of Bρ-defined isochronous mass spectrometry (Bρ-IMS), established at a storage ring, serves as a valuable tool for determining the masses of short-lived nuclei. In the previous Bρ-IMS experiments, the effects of magnetic field drifts have to be corrected in order to improve the mass re…
The initial collision geometry, including the reaction plane, is crucial for interpreting collective phenomena in relativistic heavy-ion collisions, yet it remains experimentally inaccessible through conventional measurements. Recent studies propose utilizing photon-induced processes as a direct pro…
Temperature detection is essential for evaluating the working condition of various physical, biological, and chemical systems. Optical temperature sensing tools, particularly resonator-based thermometers, have garnered significant attention due to their exceptional performance in selectivity, sensit…
This paper comprehensively surveys the evolutionary trajectory, technical principles, market applications, development trends, and challenges confronting reconfigurable chip technology. With the rapid advancement of information technology, emerging technologies have imposed increasingly stringent de…
In this research, an in-situ encapsulation strategy for constructing two organic-embedded mesoporous silica spheres (OMSS-1 and OMSS-2), achieving efficiency in U(VI) extraction from solution. By confining L-aspartic acid or citric acid within mesochannels (2.12-2.14 nm) during self-assembly, the co…
A section titled "Learning from Nurse Liang Jielian in 1954" in the 70th Anniversary Special Issue of Health News introduced the historical facts of Liang's creation of the painless injection method and its promotion, noting that "this was the most heartwarming scene in China's nursing community of …
Small gas-cooled nuclear reactor systems predominantly employ nitrogen-xenon mixtures as the working fluid and core coolant. At the recommended mixing ratio, their Prandtl number (Pr) can be as low as 0.2. The Reynolds-Averaged Navier-Stokes (RANS) approach relies on turbulence models and turbulent …
The search for novel one-dimensional (1D) materials with exotic physical properties is crucial for advancing nanoelectronics and spintronics. Here, we perform a comprehensive high-throughput, first-principles study to explore the vast landscape of 1D transition-metal chalcogenides and halides. Start…
In the primary coolant of specific reactor types, pH is regulated through ammonia addition, and its radiolysis products are utilized to suppress the concentration of oxidative substances, thereby maintaining the reducing state of the coolant. During this process, significant coupling effects exist b…
In nuclear facility maintenance, accurately locating multiple radiation sources within complex pipeline systems is paramount for ensuring the safety of maintenance personnel and optimizing work routes to minimize radiation exposure. However, existing localization methods often rely on two-dimensiona…
