Automatically translated preprints from the Chinese arXiv (ChinaXiv).
Showing 50 of 1495 papers
Objective: Pregnancy is a process during which the body's physiological state undergoes profound changes. The normal course of pregnancy is crucial for ensuring proper fetal development and maintaining maternal health. We attempted to explore whether changes in the urinary proteome can reflect the p…
In this paper, we propose and study a novel continuous-time model, based on the well-known constant elasticity of variance (CEV) model, to describe the asset price process. The basic idea is that the volatility elasticity of the CEV model cannot be treated as a constant from the perspective of stoch…
The Baiku Yao people have a strong tradition of raising and consuming local black pigs, and possess unique and extensive experience and knowledge regarding the collection and management of feed plants. This study aims to conduct an ethnobotanical inventory of feed plants and their related indigenous…
Late embryogenesis abundant (LEA) proteins are closely associated with plant stress resistance, protecting plant cells under drought stress, reducing plant damage, and are widely distributed across organisms. Selaginella pulvinata is a fern species with exceptional survival capacity under drought st…
Phenological changes driven by global warming have already exerted significant impacts on biodiversity and ecosystems. Research on subtropical phenology remains relatively limited compared to that in temperate and frigid zones. Studies of autumn phenology are particularly scarce, and whether phenolo…
SPL transcription factors are widely involved in plant growth, development, and stress response processes. Currently, there are no studies on SPL membrane-bound (SPL with Transmembrane Motif) transcription factors, i.e., STM transcription factors, in Dendrobium officinale. To investigate the roles o…
Hibiscus mutabilis has a long cultivation history and is an ancient garden tree species and medicinal plant native to China. To investigate the evolutionary characteristics of H. mutabilis cultivars and their relatives, clarify the phylogenetic relationships among H. mutabilis cultivars and between …
Isoëtes is the most anciently originated genus of aquatic vascular plants, with all species listed as National First-Class Protected Plants. Through nationwide investigation and research on Isoëtes plants, significant morphological differences were found among tetraploid individuals from different l…
To investigate the effects of different land use types and ecological restoration patterns on soil enzyme activities and their C:N:P ratios in karst regions, this study selected three land use types [degraded disturbed land, grassland, and fruit tree (loquat) forest land] and four restoration patter…
This study investigated the response characteristics of soil enzyme activity to biochar input to provide a theoretical reference for the rational application of eucalyptus branch biochar. Based on a field experiment in eucalyptus plantations in northern Guangxi, biochar prepared from eucalyptus plan…
This study conducted a taxonomic investigation on a morphologically distinct specimen of the genus Carcinomyces collected from Liancheng National Nature Reserve in Gansu Province, using morphological characterization and molecular phylogenetic analysis based on ITS sequences. The results indicate th…
Keteleeria davidiana var. calcarea is a precious tree species in mid-subtropical karst regions, characterized by a narrow distribution range and scarcity of wild seedlings, which severely constrains its natural regeneration. To investigate the causes of its endangerment and provide a reference for i…
The regionalization problem involves partitioning a specific geographic region into several spatially contiguous zones to satisfy the fundamental principle of minimizing intra-zone differences while maximizing inter-zone differences, and finds wide applications in geography, environmental science, e…
Embodied memory research primarily investigates the role of the body and its sensorimotor processes in memory. Manipulating or constraining the physical state, embodied characteristics, or availability of the body can affect the efficiency, valence, and content of memory. The underlying mechanisms c…
Geomorphological objects often exhibit significant size disparities, spanning specific spatial scales. Existing automatic classification methods for geomorphological forms have not adequately accounted for this characteristic, thereby constraining classification accuracy. By employing the size of ge…
Soil moisture, as a critical factor of the ecological environment, serves as an important indicator for soil monitoring and ecological environmental change. Based on MOD11A2 LST and MOD13A2 NDVI data, this study analyzes the spatiotemporal distribution characteristics of soil moisture and its influe…
Using a space-for-time substitution approach, we investigated and analyzed soil moisture dynamics and vegetation succession characteristics across abandoned croplands of varying abandonment ages (1, 2, 4, 8, 13, 20, 30, 40 years and CK) in the Qingtu Lake area of Minqin. The results indicated that: …
This study obtained a vegetation NPP dataset for the Loess Plateau from 2000–2018 using the CASA model and quantitatively analyzed the impacts of climate change and human activities on vegetation NPP variation through correlation and residual analysis methods. The results indicate: (1) Vegetation NP…
To investigate the impacts of alpine grassland degradation on soil physicochemical properties and root-soil composite shear strength in the Yellow River source region, this study examined alpine grasslands in Henan County, Qinghai Province, within the Yellow River source region. Through field sampli…
Ephemeral plants represent an important functional group in desert ecosystems, exhibiting diverse habitats and asynchronous germination characteristics in many species. Biomass accumulation and allocation patterns reflect plant responses and adaptive traits to environmental conditions; thus, investi…
The oasis-desert ecotone is an ecological buffer zone between oasis and desert ecosystems, playing a crucial ecological role in maintaining oasis stability and preventing wind erosion. Taking the Cele Oasis-Desert Ecotone as an example, this study selected Landsat remote sensing imagery data, meteor…
Through field experiments and evaporation barrel simulation experiments, the effects of different short-term straw return methods on soil structure and water evaporation were analyzed. Four treatments were established: control (CK), chopped straw return (T1), chopped straw return + whole straw mulch…
Nitrous oxide (N2O) is one of the important greenhouse gases in the atmosphere and has attracted considerable attention in the context of global climate warming, with farmland soil being its primary emission source. Among the numerous factors affecting N2O emissions from farmland, tillage practices …
The movement and variation characteristics of soil water and salt during freeze-thaw processes in the non-irrigation season directly affect spring crop irrigation decisions. This study conducted field sampling and monitoring of six cotton field plots with different drip irrigation years in the Xinji…
To investigate the soil nutrient and stoichiometric characteristics of Elaeagnus angustifolia shelterbelts on the northeastern edge of the Kubuqi Desert, and to provide a theoretical basis for the sustainable utilization of desert shelterbelts, we selected 30 m × 30 m representative sample plots in …
Biological soil crusts play crucial roles in enhancing soil resistance to water and wind erosion and improving soil nutrient conditions. Soil extracellular enzyme activity can serve as a microbial indicator of soil biochemical reaction intensity and is of great significance for understanding nutrien…
The Hotan region is a typical inland arid area, and studying regional water resource security is of great significance for guiding water resource development and utilization, and promoting the sustainable development of socio-economy and water resources. Based on the water footprint theory, this pap…
To investigate the hydrochemical characteristics and water quality status of groundwater in the plain area of the Turpan Basin, 44 sets of groundwater quality monitoring data (33 sets of phreatic water and 11 sets of confined water) were selected based on the comprehensive groundwater pollution surv…
Over the past 20 years, with the implementation of integrated water resources planning and scheduling in the Tarim River (hereinafter referred to as the "Tarim River") basin, the ecological water conveyance target of "water flowing to Taitema Lake, with Daxihaizi Reservoir discharging 3.50×108 m³ an…
Based on hydrological observation and remote sensing monitoring data, this study obtains information on the area and water level changes of Lake Balkhash over the past 60 years, reconstructs the time series of lake water volume changes, and identifies the characteristics of water volume variations i…
The accelerated advancement of urbanization has intensified land use changes, consequently leading to increasingly prominent urban thermal environment issues. Based on MYD21A2 land surface temperature data from the summers of 2005 and 2018, spatial statistical methods were employed to analyze the sp…
Within the Xiying River basin above the Jiutiaoling Station, daily data from gridded precipitation and air temperature datasets for the period 2011–2018 were utilized to develop a method for correcting anomalous gridded precipitation points through exploration of the precipitation-runoff causal rela…
As an important component of the currently most authoritative dataset for medium-range ensemble forecasting, the applicability of TIGGE precipitation products in the arid and semi-arid regions of China requires further investigation. Based on observed precipitation data from 2015–2017 in the arid an…
Based on the monthly precipitation series of the Aral Sea basin from 1945 to 2019 derived from the CRU (Climate Research Unit) dataset, this study analyzed the spatiotemporal characteristics of annual precipitation variation, intra-annual distribution of precipitation, and complexity changes in prec…
Summer precipitation was sampled at the terminus of Koxkar Glacier on the southern slope of the Tianshan Mountains in an inland alpine region. Based on the analysis of ion concentrations, conductivity, and pH values, factor analysis, enrichment factors, and backward trajectory methods were employed …
In the early 21st century, studies proposed that the climate in Northwest China, especially Xinjiang, was undergoing "warm-humidification"; however, clear conclusions regarding the characteristics of this "warm-humidification" in Xinjiang across different time scales are still lacking. Based on obse…
Relational human resource management (HRM) practices are prevalent in numerous organizations and institutions. While scholars have devoted considerable attention to their negative impacts on society, organizations, and individuals, prior research has overlooked the other side of relational HRM pract…
Abstract: Vegetation near-soil-surface factors can protect topsoil from erosion, however, their contributions to the reduction of soil erosion, especially under natural rainfall events, have not been systematically recognized. This study was performed to quantify the effects of near-soil-surface fac…
Precipitation is one of the most important indicators of climate data, but there are many errors in precipitation measurements due to the influence of climatic conditions, especially those of solid precipitation in alpine mountains and at high latitude areas. The measured amount of precipitation in …
The introduction of non-Hermiticity extends concepts in traditional Hermitian quantum systems and induces many novel physical phenomena, such as the non-Hermitian skin effect unique to non-Hermitian systems, which has made the simulation of non-Hermitian quantum models a focus of attention. Compared…
The 0.618 method is the most widely used approach in one-dimensional line search for unimodal functions. While it exhibits good convergence properties, its convergence rate is excessively slow. Therefore, based on the function values at the endpoints of the search interval and at any point within th…
Abstract: [Objective] To revise the Feminist Identity Development Scale (FIDS) and examine its reliability and validity among Chinese female college students. [Method] A total of 1657 female college students were administered the Chinese version of FIDS, the Self-Esteem Scale (SES), and the Hostile …
This study employed the "Number-Letter Switching Task" to differentiate individuals with high versus low cognitive flexibility, constructed two probabilistic category learning tasks with identical probabilistic pairing patterns but different surface forms, and utilized ERP technology to investigate …
Purpose: The body posture expression stimulus set provides standardized stimuli for emotion research. While the consistency of this stimulus set has been validated in Western adults, its consistency in Chinese populations remains unclear. Therefore, this study selected 42 images each of happiness, s…
Pascal's triangle is the triangular arrangement of binomial coefficients, from which one can obtain the Fibonacci sequence and the golden ratio (approximately 1.618). A question arises: Can the silver ratio (approximately 2.414) be obtained from Pascal's triangle? This paper first establishes a Maxi…
This paper introduces big data psychology research methods in detail, using Jiujiu Articles Network as a case study. Using text data collected from user experiments, word frequency features are extracted to train machine learning models, which are then utilized to predict the life satisfaction corre…
By examining the historical evolution of the nine-volume "Library Publishing Directory" released by the Library Publishing Coalition project, this study investigates the development trends of library publishing. Through methods such as literature research and web-based investigation, it analyzes the…
As one of the main economic crops in the arid regions of northwestern China, understanding its photosynthetic production process is crucial for cultivation. To investigate the photosynthetic physiological characteristics of grapes under natural field conditions and the main factors affecting grape p…
To clarify the taxonomic issues concerning intergeneric systematic relationships in the Hypoxidaceae family, this study selected five species from three genera of Chinese Hypoxidaceae as research subjects. Using light microscopy, scanning electron microscopy, and paraffin sectioning techniques, we o…
To investigate the diversity of fungal communities in the roots and rhizosphere soil of Nervilia fordii (Orchidaceae), this study utilized Illumina MiSeq high-throughput sequencing technology to analyze the fungal composition in the roots and rhizosphere soil of N. fordii from two sampling sites, Da…
