ChinaRxiv · Open Access in English
Translated papers from the Chinese Preprint site, Chinaxiv
Showing 50 of 1739 papers
DAYU3D is a modern three-dimensional (3D) computer code for thermal-hydraulic design and accident analysis in high temperature gas-cooled reactors (HTGRs), developed by the Institute of Nuclear and New Energy Technology (INET) at Tsinghua University. Compared to the traditional codes like TINTE, the…
A new multi-detector array named HALIMA (Hybrid Array for LIfetime MeAsurement) has been developed at Lanzhou, for nuclear structure studies in fission. The array comprises eight BGO-shielded High-Purity Germanium (HPGe) detectors and twenty fast Ce-doped Lanthanum Bromide [LaBr3(Ce)] detectors shie…
[Purpose/Significance] Against the backdrop of the official launch of the "Smart Education First Year," this study reveals the current status and development trends of research on library-empowered smart education, clarifies the academic ecological characteristics of this field, and provides referen…
The full configuration interaction quantum Monte Carlo (FCIQMC) method, originally developed in quantum chemistry, has also been successful in both molecular and condensed matter systems. Another natural extension of this methodology would be its application to nuclear structure calculations. We hav…
Exploring the limits of neutron binding in atomic nuclei remains a central focus of nuclear physics. However, the experimental determination of the neutron drip line is challenging because of the minuscule production cross sections of the most neutron-rich isotopes. We investigated the effectiveness…
The tensor force changes the nuclear shell structure, and thus may result in underlying influence the collectivity and decay properties of the nucleus. We carefully examined the impact of the monopole and multipole effects originating from the tensor force on both the collectivity and the matrix ele…
The molten salt reactor, one of the six fourth-generation reactor types, employs liquid nuclear fuel and graphite as a moderator. Graphite also serves as a core structural component, forming fuel salt channels in a honeycomb-like configuration. To ensure effective core design management and nuclear …
[Purpose] The digital-intelligent transformation of university libraries is the essential path for implementing the national digital education transformation strategy and promoting high-quality services in university libraries. As a core business, document resource construction is constrained by com…
【Purpose/Significance】The protection and utilization of Manchu archives face severe challenges. Developing a Manchu-Chinese mutual translation system based on the Transformer artificial intelligence model holds significant importance for the inheritance of endangered linguistic and cultural heritage…
The neutron excess effect, originating from the vanishing of one part of \(\bm{\tau}_\text{1} \cdot \bm{\tau}_\text{2}\) operator matrix elements, was appropriately considered within the Skyrme-type $\Lambda N N$ three-body interactions and applied to the deformed SHF model. Analysis of a broad rang…
In alignment with China’s national strategic plan, Zhejiang Province officially launched the World Bank-financed "Zhejiang Qiandao Lake and Xin’an River Basin Water Resources and Ecological Environment Protection Project" in November 2018. This paper uses an ARIMAX INTERVENTION model to quantitative…
[Objective] To explore whether anger-opposing implementation intentions (II) can reduce fear reinstatement and avoidance behavior in patients with fear-related disorders. [Method] A discriminative fear conditioning paradigm was employed. The II group established anger-opposing II before extinction (…
For the "15th Five-Year Plan" period and beyond, public libraries should, by integrating national strategic needs with their inherent characteristics, concentrate on three priority areas: continuously strengthening foundational service development, further emphasizing innovative development design, …
Using Kolmogorov-Arnold Networks (KANs), we construct a holographic model informed by lattice QCD data. This neural network approach enables the derivation of an analytical solution for the deformation factor $w(r)$ and the determination of a constant $g$ related to the string tension. Within the KA…
Background: Heart failure (HF) represents a major chronic disease that seriously endangers global health, with coronary heart disease (CHD) being its most common cause. Constructing risk prediction models based on risk factors for HF complicating CHD can assist healthcare professionals in early iden…
Background Currently, cancer treatment has undergone tremendous transformation, with many cancer patients achieving long-term survival in a chronic disease model. Studies have shown that numerous cancer survivors die from non-neoplastic factors, among which cardiovascular disease (CVD) represents a …
Background: Patients with interstitial lung disease are prone to acute exacerbations, with infection being one of the important triggers. Patients experiencing acute exacerbation have high mortality rates and poor prognosis, and research on this population is currently limited in China. Objective: T…
The process of nuclear fusion in the presence of a laser field is analyzed theoretically. The analysis is applicable to most fusion reactions and different kinds of currently available intense lasers, from X-ray free electron lasers to solid-state near-infrared lasers. Laser fields are shown to enha…
In this work, we report a scintillator used for neutron/gamma discrimination, which consists of a polyvinyltoluene matrix loaded with monomers of dimethoxydiphenylsilane (DDS), and fluor dyes, namely 2,5-diphenyloxazole and 7-diethylamino-4-methylcoumarin as the primary fluorophore and wavelength-sh…
In order to develop a temperature-sensitive fiber optic cable suitable for fire detection of activated carbon iodine adsorber, this paper proposes a design method for an irradiation-resistant and high-temperature-resistant linear temperature-sensitive fiber optic cable. Through the use of PCVD combi…
Fertility intention is a key factor in predicting fertility behavior. Numerous studies have explored the role of the Theory of Planned Behavior (TPB) in predicting fertility intention, but the conclusions remain inconsistent. To examine the applicability of TPB in explaining fertility intention, thi…
Background: Blood stasis syndrome is an important concurrent syndrome of primary Sjögren's syndrome (pSS), yet research on its quantitative characteristics and clinical associations remains insufficient. Objective: To investigate the quantitative characteristics of blood stasis syndrome in pSS patie…
With the advancement of artificial intelligence technology, intelligent robots have begun to act as working agents in human work contexts. Do humans accept the allocation of work to intelligent robots? Intelligent robots possess moderate agency and low sentience, resulting in differences between the…
In this paper, we propose a novel design for a stationary CT system, termed the Alternating Source-Detector Array stationary CT (ASDA-sCT). The ASDA-sCT system comprises an array of miniature carbon nanotube X-ray sources and a detector array strategically positioned in the gaps between sources. To …
To investigate the effects of plyometric training on lower limb biomechanics and explosive power in male college basketball players, and to provide a theoretical basis for optimizing basketball-specific training. Eighteen male college basketball players were selected and randomly divided into an exp…
Objective To investigate the stress and strain distribution characteristics of the anterior cruciate ligament (ACL) of the left leg in volleyball players at the instant of landing after a spike, using a musculoskeletal-finite element (MS-FE) model. Methods A finite element model (FEM) of the knee jo…
Linear vibrating screens and translational elliptical vibrating screens represent two developmental forms of drilling fluid vibrating screens. Investigating the screening efficiency of these two vibration modes under different operating parameters holds value and significance for practical productio…
Mesh is the foundation of computational fluid dynamics (CFD) numerical simulation. To investigate the applicability of different mesh types to gas dispersion simulation in chemical industrial parks, full-scale numerical simulations were carried out based on field leakage experiments of tracer gas (S…
Rectangular frame-type artificial reefs can be employed to modify flow fields, providing favorable habitats for various marine organisms. In tropical marine areas such as the offshore waters of Hainan Island, they can also serve as attachment substrates for coral restoration. Flow velocities at repr…
To improve the accuracy of damage identification, the concept of reciprocal variables is introduced, and a truss damage identification method combining reciprocal variables with the generalized flexibility matrix is proposed. This method requires only low-order modal parameters. For cases of incompl…
The free vibration characteristics of functionally graded thin elliptical cylindrical shells are investigated based on the absolute nodal coordinate formulation (ANCF). Third-order Bézier curve fitting technique is employed to calculate the initial circumferential tangent vector and circumferential …
To achieve industrialized production and rapid construction of reinforced concrete wall panels, a fully bolted connection technology utilizing boot-shaped embedded parts is proposed. Horizontal pushover tests were conducted to investigate the failure modes, stress distribution, and mechanical behavi…
Automatic identification of radioactive isotopes through energy spectrum analysis is vital for remote, unmanned monitoring of radioactive contamination and rapid early warning. In recent years, deep learning methods have advanced significantly, outperforming traditional approaches in recognition acc…
To further investigate the mechanical characteristics of overconsolidated unsaturated cohesive soil and to verify the proposed three-shear subloading surface model for overconsolidated unsaturated cohesive soil through true triaxial numerical tests, Jiangxi laterite was selected as the research obje…
Based on the simplification of the cylindrical axisymmetric problem and the favorable properties of modified Bessel functions, a displacement harmonic function containing undetermined functions was constructed. Applying the constructed displacement harmonic function, stress expressions containing un…
To assess the structural safety of the graphite core in gas-cooled microreactors and obtain the stress state of core graphite components under seismic excitation, this study compared acceleration and velocity curves from small-scale graphite block collision experiments with simulation results. It wa…
To investigate the influencing factors and influence patterns of cooled exhaust emission with small ejection ratio during engine operation in a climate laboratory, a typical low bypass ratio engine was selected as the research object. Using numerical simulation methods and considering engine exhaust…
The Udwadia-Kalaba equations provide an explicit solution method for complex constrained multibody systems. This method can decouple the generalized accelerations and generalized constraint forces in the system without introducing auxiliary variables, thereby obtaining explicit expressions for both.…
TC17 titanium alloy is a typical engine blisk material, and its very-high-cycle fatigue performance is directly related to the long-life, high-reliability design of engines. The very-high-cycle fatigue performance of TC17 was investigated using four test methods: conventional tension-compression, co…
The hoop truss antenna, as a typical deployable satellite antenna structure, possesses broad application prospects in high-power spaceborne antennas due to its advantages of large aperture, light weight, high packaging efficiency, good stiffness, and the characteristic that its total mass does not i…
Cosmic-ray muon sources exhibit distinct scattering angle distributions when interacting with materials of different atomic numbers (Z values), facilitating the identification of various Z-class materials, particularly those radioactive high-Z nuclear elements. Most of the traditional identification…
Cancer is the second leading cause of mortality globally. As a critical technological approach in oncology treatment, radiation therapy includes conventional dose rate radiation therapy, high dose rate radiotherapy and ultra-high dose rate radiation therapy (FLASH-RT). With the significant escalatio…
Brain-Computer Interface (BCI) is an interaction technology that establishes a direct communication channel between the brain and external devices by collecting, decoding, and providing feedback on neural signals, opening up a brand-new path for understanding and expanding mental potential. This stu…
We studied the energy partition between two well-separated fission fragments associated with the partition of nucleons owing to quantum entanglement. This is different from most fission models that invoke an explicit statistical partition of excitation energies. The dynamical fission evolution is de…
[Objective/Significance] This study analyzes the characteristics and performance differences of collocation strength calculation formulas in the automatic extraction of Chinese window collocations and dependency collocations, aiming to provide reference for Chinese collocation research and internati…
[Purpose/Significance] As the primary repositories of local historical documents, public libraries' active participation in the compilation and publication of local literature series is of great significance for protecting and promoting local characteristic culture and facilitating local socio-econo…
[Purpose/Significance] Developing an ontological organization model for digital resources of major emergency events oriented towards thematic databases facilitates the preservation and transmission of disaster historical memory, and enables the realization of the historical value and practical utili…
[Purpose/Significance] Investigating the influencing factors of quantified self holds significant practical implications for enhancing national health literacy, elevating individual health awareness, and promoting health behaviors. [Method/Process] This paper conducts a mixed-methods study combining…
[Purpose/Significance] Digital technology constitutes the core driving force and a vital component of new quality productive forces. Analyzing the evolutionary trends of research themes in China's digital technology domain aims to enhance the interdisciplinary convergence between digital technology …
