Most papers are machine-translated to English; some are originally in English.
Showing 50 of 391 papers in Other
Spot-scanning carbon ion radiotherapy relies on ripple filters (RiFi) to enhance treatment efficiency. Existing multi-layer metallic mesh ripple filters (mRiFi) employ random stacking configurations, resulting in poor dose distribution consistency. This study designed three-dimensional mRiFi matrice…
In 1975, P. Erd {o}s proposed the problem of determining the maximum number $f(n)$ of edges in a graph of $n$ vertices in which any two cycles are of different lengths. In this paper, it is proved that $$f(n) geq n+32t-1$$ for $t=27720r+169 , (r geq 1)$ and $n geq frac{6911}{16}t^{2}+ frac{514441}{8…
In 1975, P. Erd {o}s proposed the problem of determining the maximum number $f(n)$ of edges in a graph with $n$ vertices in which any two cycles are of different lengths. In this paper, it is proved that $$f(n) geq n+ frac{107}{3}t+ frac{7}{3}$$ for $t=1260r+169 , (r geq 1)$ and $n geq frac{2119}{4}…
Let f(n) denote the maximum possible number of edges in an n-vertex graph containing no cycles of equal length. The problem of determining f(n) was posed by Erdos in 1975. This paper provides a lower bound for f(n).
On social media, posts expressing a desire to "return to senior year of high school for a couple of days" are frequently observed. To investigate the nostalgic psychology toward high school among college student populations, this study employs a questionnaire survey methodology, innovatively integra…
The helium bubbles induced by 14 MeV neutron irradiation can cause intergranular fractures in reduced activation ferritic martensitic (RAFM) steel, which is a candidate structural material for fusion reactors. In order to elucidate the susceptibility of different grain boundaries (GBs) to helium-ind…
Objective. To investigate the principal differential metabolites of Xihuang Pill (XHP) in rat serum and the mechanism of related metabolic pathways in breast cancer. Methods. Metabolites in the XHP drug serum group and blank serum group were analyzed qualitatively and quantitatively using liquid chr…
Social hierarchy is a dynamically evolving multidimensional system, whose acquisition can be categorized into three major pathways. The dominance pathway emphasizes resource acquisition through aggression and threat, having evolved under intense sexual selection pressure. The competence pathway high…
During the "13th Five-Year Plan" period, the State Grid smart meter market will undergo significant transformation, wherein demand for smart meters will decline substantially while demand for supporting equipment such as pluggable meter boxes will increase. Confronted with this market shift, traditi…
The "Four-meter Centralized Collection" initiative rapidly gained momentum in August 2015 following a notice from the Marketing Department of State Grid. This notice promoted the unified collection of electricity, water, gas, and heat meter data, triggering widespread attention both within and outsi…
Background: In clinical practice, children with Henoch-Schönlein purpura nephritis (HSPN) frequently present with elevated fibrinogen (FIB) levels; however, investigations into the correlation between FIB and renal pathological changes remain limited. Objective: To explore the correlation between FI…
Gas X-ray polarimetry refers to a class of detectors designed for measuring soft X-ray polarization. Systematic effects inherent to these detectors introduce residual modulation, resulting in systematic bias in the detected polarization of sources. This work discusses these systematic effects and th…
Bombesin receptor subtype-3 (BRS3) is an important orphan G protein-coupled receptor that regulates energy homeostasis and insulin secretion. As a member of the bombesin receptor (BnR) family, which includes neuromedin B receptor (NMBR) and gastrin-releasing peptide receptor (GRPR), the lack of know…
Drip irrigation and flood irrigation are major irrigation methods for maize crops in the Hetao Irrigation District, Inner Mongolia Autonomous Region, China. This research delves into the effects of these irrigation methods on carbon dioxide (CO2) exchange and crop growth in this region. The experime…
Severe soil erosion and drought are the two main factors affecting the ecological security of the Loess Plateau, China. Investigating the influence of drought on soil conservation service is of great importance to regional environmental protection and sustainable development. However, there is littl…
This study aims to accurately predict shifts in match trends and trajectories by analyzing match flow. To capture match flow, we first defined an A-value and developed a decision tree model. Furthermore, we constructed a nonlinear autoregressive neural network to implement predictive functionality. …
The synergistic damage effect of irradiation and corrosion of reactor structural materials has been a prominent research focus. This paper provides a comprehensive review of the synergistic effects on the third- and fourth-generation fission nuclear energy structural materials used in pressurized wa…
Intelligent terminals, building upon measurement technology, have already expanded into research on intelligent control and compensation technologies. The development and application of this technology hold significant importance for improving the efficiency and stability of power systems. First, me…
In this paper, the analytic necessary and sufficient conditions are obtained for the CP-conserving two-Higgs-doublet potential to be bounded from below using the co-positivity of tensors. This is achieved by treating the potential as a quartic homogeneous polynomial in the moduli of the two Higgs do…
As China's first ecological civilization pilot zone, Fujian Province maintains excellent ecological environmental quality, with various ecological environment-related indices consistently ranking among the top nationwide. To investigate the causes of Fujian's ecological excellence over the past fift…
This paper focuses on exploring the physical logic of the relativity principle in particle dynamics. Through causal analysis of dynamics, it is found that the reason why Newton's second law suffers from difficulties regarding inertial frames and inertial forces is fundamentally due to the neglect of…
[Objective] Analyze the definition and properties of information capacity based on the information sextuple model, propose formulas relating information to matter, energy, and time, and provide theoretical reference for information science, particularly for applications in quantum information techno…
With growing interest in Laser Additive Manufacturing (LAM) of High-entropy alloys (HEAs) during most recent years, the design of compositional elements and process strategies are primary methods to overcome undesirable microstructures and defects. Here we propose a new approach, a novel real-time L…
Nuclear material license holders should develop a nuclear material accounting management system and achieve closed material balance. According to regulatory requirements, the implementation of nuclear material accountancy is based on physical inventory and material measurements. Generally, spent fue…
Until now, image quality assessment has not addressed color issues. The literature on image quality assessment primarily evaluates the degree of degradation (deterioration) of image quality during image processing procedures such as compression and transmission. A planar image is essentially a two-d…
Polytomous attributes extend the traditional dichotomous attributes (i.e., two levels, typically defined as 0 and 1) in diagnostic assessments to multiple values (multiple levels can be 0, 1, …). They can describe not only whether examinees have mastered knowledge attributes but also the degree of m…
In the field of electronic packaging, lead-free solders are primarily binary or ternary Sn-based eutectic or near-eutectic alloys, with the Sn-rich phase constituting the matrix phase. To characterize the mechanical properties and stress-strain relationship of the Sn-rich phase, nanoindentation test…
This paper first elaborates on the concept of technological revolution and its necessary conditions, proposes and analyzes endogenous and exogenous agricultural disruptive technologies and their differences, and particularly introduces the concept of cross-boundary technologies while demonstrating t…
Saxifraga stolonifera is a shade plant with relatively high ornamental value, commonly used in courtyard landscaping. Light intensity may have an important influence on the growth performance of Saxifraga stolonifera, especially leaf color, leaf spot formation, and their color depth, thereby affecti…
The temporal binding effect refers to the phenomenon where the time points of voluntary actions and their outcomes subjectively converge. This effect can be categorized into action binding and outcome binding, corresponding respectively to the temporal shifts of voluntary actions and action outcomes…
This work aims to identify models capable of describing size effects on the modulus and hardness of polymers as measured by indentation testing. First, elastic size effects are described through a model developed by introducing an elastic unloading load model that incorporates couple-stress elastici…
Let $Z_n$ be a supercritical branching process in an i.i.d. environment. In this paper, we obtain two non-uniform Berry-Esseen bounds for $Z_n$. This result extends the Berry-Esseen bound of Grama et al. [Stochastic,Process.,Appl.,127(4),1255-1281,2017] to the non-uniform case. Finally, we discuss a…
Typically, cognitive diagnosis necessitates diagnostic evaluation of examinees through cognitive diagnosis models. The validity of diagnostic results generated by cognitive diagnosis models depends on the congruence between examinees' response patterns and the selected model. Consequently, when eval…
In response to the current challenges of load uncertainty, renewable energy integration, and "dual carbon" objectives in power systems, this paper establishes a real-time pricing model that incorporates load uncertainty and carbon trading within the smart grid context, while fully considering the we…
Abstract: With realizing the importance of ecosystem services to society, the efforts to evaluate the ecosystem services have increased. As the largest tributary of the Yellow River, the Weihe River has been endowed with many ecological service functions. Among which, water yield can be a measure of…
Planting cover crop has been suggested as a way of increasing soil organic carbon in agricultural land. Ryegrass (Lolium multiflorum L.), as a cover crop, could improve soil fertility and lower soil CO2 emission. However, effects of soil water content and nitrogen on soil carbon mineralization after…
This study investigates the application technology of near-ultraviolet femtosecond laser pulse inscription inside polymethylpentene. We discovered that this thermoplastic material exhibits polarization-sensitive characteristics. First, inscription experiments employed a lens with a numerical apertur…
Organizations often face a "dilemma" in employee management and organizational innovation—finding it difficult to provide stable employment yet having to rely on employees to achieve organizational innovation, which makes research on the impact of employee job insecurity on innovative behavior cruci…
Strain engineering of 2D materials is capable of tuning the electrical and optical properties of the materials without introducing additional atoms. However, there are still great challenges in realizing straining of 2D materials with CMOS compatibility. Here, a method for large-scale ultrafast stra…
This paper formally proposes Knowledge Economics as a new theoretical system. Knowledge Economics investigates the laws through which knowledge creates economic value; it is a discipline that studies the efficient utilization and allocation of resources and the generation of economic value under the…
Selecting moving targets by head rotation is a common operation in virtual reality (VR). However, moving targets include both receding and approaching motions, and determining the differences in temporal characteristics between these two types of operations is of significant importance for designing…
We report the discovery of a massive protostar M17~MIR embedded in a hot molecular core in M17. The multiwavelength data obtained during 1993--2019 show significant mid-IR (MIR) variations, which can be split into three stages: the decreasing phase during 1993.03--mid-2004, the quiescent phase from …
This paper addresses the deficiencies in detection methods for the electromagnetic quiet zone surrounding radio astronomy observations and proposes a radio interference monitoring method based on a four-antenna linear array, aiming to real-time monitor the presence of interference sources in the ele…
Heat wave disaster risk information serves as an important reference for the prevention and control of extreme disaster events under conditions of global climate warming and rapid urbanization. To address the problem of incomplete assessment of heat wave hazard factors, based on multi-source satelli…
Taking the rain-fed farming areas in northern Kazakhstan as the study target area, based on spring wheat yield statistical data and remote sensing spectral indices, we conducted analysis on the optimal prediction period for spring wheat yield estimation and vegetation indices. Using regression analy…
Using daily precipitation data from five national meteorological stations in Urumqi during the snowfall period from 1961–2019, together with NCEP daily four-times 0.25°×0.25° and 1°×1° reanalysis data, this study statistically analyzes the characteristics of snowstorms and large-scale circulation pa…
Based on daily meteorological data from 62 weather stations in Xinjiang Uygur Autonomous Region from 1969 to 2019, this study investigates the effects of meteorological factor variations on wind erosion climate erosivity; utilizes Geographically Weighted Regression models and centroid migration mode…
Drawing on theoretical models of specific positive emotions in the workplace and implicit leadership theory, this study investigates the influence mechanism of ethical leadership on employee job performance, specifically examining the mediating role of awe and the moderating role of employee ethical…
Ecological water conveyance scheduling is one of the most effective measures for ecological protection and restoration. Implementing ecological water conveyance holds significant importance for restoring natural ecosystems in arid and semi-arid regions and maintaining the health of oasis ecosystems.…
Exergy is an indicator for measuring energy quality, which profoundly reveals the essence of work capability loss during energy transfer processes. To investigate the dynamic evolution mechanism of ? in time-varying energy networks, this paper formulates the constitutive relations among physical qua…
