Automatically translated preprints from the Chinese arXiv (ChinaXiv).
Showing 50 of 1495 papers
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…
Abstract: Aeolian sandy soil in mining areas is characterized by intense evaporation and poor water retention capacity. This study was designed to identify a suitable biochar application method to improve soil water infiltration and minimize soil water evaporation for aeolian sandy soil. Using an in…
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…
Abstract Based on the E-Z Reader model and the integrated model of Chinese reading, there is controversy over whether word segmentation and lexical identification constitute an interactive unified process. By manipulating reading direction to alter text familiarity, we investigated its role in word …
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…
The debate over whether verb metaphor processing is entirely based on perceptual-motor simulation or also involves the participation of abstract semantic processing systems, and how the two interact, has remained a subject of debate. This study investigated the processing mechanisms and integration …
The visual search ability of organisms is of vital survival significance for adapting to complex external environments. Attentional templates can enhance relevant information and suppress irrelevant information during search tasks, thereby rapidly locating targets. A summary of recent research findi…
This paper presents a comprehensive survey of subword tokenization methods in neural network-based natural language processing. It first elaborates on the out-of-vocabulary (OOV) problem stemming from closed vocabulary limitations in such approaches, and introduces three prevalent methods for addres…
Generalizability Theory is widely applied in the field of psychological and educational measurement. How to achieve optimal reliability of measurement procedures under budget constraints is an important issue that researchers need to consider, and this problem can be transformed into one of optimal …
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…
To investigate the molecular mechanism differences of the key enzyme gene PtCHI in isoflavonoid metabolism among Pueraria varieties, and to preliminarily elucidate the causes for inter-varietal differences in isoflavonoid content, this study employed wild Pueraria and the starch-rich Pueraria cultiv…
Estimating species evolutionary timescales constitutes a crucial component of research on life's evolution. In recent years, numerous studies have revealed significant disparities in evolutionary rates among different genes and species, necessitating novel approaches to re-estimate the timing of evo…
Soil nitrogen (N) availability is an important factor affecting soil microbial community structure and soil nitrogen cycling; however, the effects of N addition on soil N transformation and N functional genes (NFGs) expression in Mongolian pine plantations remain poorly understood. To explore the ef…
The Lijiang River basin features diverse elevations, soil types, and vegetation types. To investigate the characteristics of soil nutrients and soil enzyme activities, this study examined surface soils (0–20 cm) under typical vegetation types (natural forest, bamboo forest, pine forest, orchard, pad…
Guangxi Mulun National Nature Reserve is located in the transitional zone between the Yunnan-Guizhou-Guangxi and South China floristic regions, and constitutes a central intersection between the Palearctic and Paleotropical floristic realms, occupying an irreplaceable position in China's biodiversit…
Acanthus ebracteatus is a rare true mangrove plant inhabiting mangrove ecosystems with considerable medicinal value. This study aimed to investigate the diversity of culturable endophytic and rhizosphere bacteria associated with A. ebracteatus, and to explore potential novel species and strains with…
The Attentional Boost Effect (ABE) refers to the phenomenon wherein, under dual-task conditions, memory performance for background information presented concurrently with target stimuli in a detection task is superior to that for background information presented with distractor stimuli. Previous res…
One of the main research paradigms in cognitive control is task switching. Previous studies have found that switch costs are modulated by the hierarchical nature of cognitive control, but few studies have explored the dynamic neural mechanisms underlying this modulation process. The present study in…
[Purpose/Significance]To trace the history of the China Science Information University established by the Chinese Academy of Sciences in 1958, and to provide more corroborating evidence for the origin of information science education in China.[Method/Process]By retrieving archives from multiple inst…
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…
Although previous studies have found that numbers are spatially represented in the human memory system, how the human brain accomplishes this spatial representation of numbers remains controversial. This study conducted two experiments to investigate the characteristics and mechanisms of numerical s…
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 …
The common fate model (CFM) is a reliable model in family or dyadic-level research that better explains the inherent interdependence in intimate relationships. Based on the common fate model, this study examined the influence of overall family marital quality on parental coparenting and the cross-le…
In self-service baggage check-in and sorting for civil aviation, automatically detecting whether pallets are added to self-dropped baggage is an essential function; however, the pallets are largely obscured by the embedded baggage, which poses a challenging problem. To address this issue, a fast det…
Based on Conservation of Resources Theory and Uncertainty Management Theory, and employing a diary study methodology to collect data from 81 participants over 10 working days, this study comprehensively examined the influence of challenging job demands on work-family enrichment from both static and …
Thin-film semiconductor devices as switching elements represent an ideal match for electrode-array-based digital microfluidics. With the support of large-area electronics technology, high-resolution digital droplets (diameter around 100 μm) containing single cells can be generated by pre-programmabl…
An anterior part of skull was recently found near Xiayangwan in Guanghe County, Gansu Province, presumably from the Liushu Formation. The skull represents a new species of Pararhizomys, named as Pararhizomys parvulus. The new species is characterized by: small size, upper molars higher crowned and m…
Based on data from the fifth and sixth national population censuses, and employing regional human resource measurement methods, multiple linear regression, and geographic detector research methods, this study analyzes the spatiotemporal distribution differences and influencing factors of human resou…
The victory of the poverty alleviation campaign has shifted the focus of poverty governance toward alleviating relative poverty. The overlap between the population that has been lifted out of poverty and the relatively poor population determines that contiguous destitute areas will remain the main b…
Based on panel data of the tourism economic system and ecological environment system for 66 central cities (municipalities, prefectures, autonomous prefectures, and leagues) in the Yellow River Basin, and employing methods such as the coupling coordination model, spatial autocorrelation analysis, an…
Ecological migration is one of the effective approaches for rural revitalization in western China and regional ecological protection and restoration. Investigating the spatial migration characteristics and ecological impacts of ecological migration contributes to regional poverty alleviation and eco…
Villages are the units that most directly reflect the laws of rural socio-economic activities, and functional type classification at the village level is key to advancing classified rural revitalization. Taking administrative villages as the basic unit, this study employs the entropy weight method, …
To investigate the degree of spatial mismatch between tourism economic development and ecological environment systems and quantitatively analyze their spatial mismatch relationship, this study takes Ningxia as the research object, and based on spatial mismatch theory and models, comprehensively empl…
Through CiteSpace analysis of 2,703 articles on arid area urbanization research from CNKI (China National Knowledge Infrastructure) spanning 1984–2020, this study examines publication trends, stage division, core author and institutional networks, thematic evolution, and historical hotspots utilizin…
To investigate the influence of root water stress response functions on field water dynamics and yield simulation, soil water dynamics and wheat yield were simulated using the Richards equation and the PS123 crop growth model, with comparative analysis conducted among three water stress response fun…
In the context of global warming, the increased frequency and intensity of drought events have led to significant changes in vegetation diversity in terrestrial ecosystems. Studying the response of vegetation phenology to seasonal drought is of great importance for the conservation of ecosystems on …
Tiger nut (Cyperus esculentus) is an oil crop with low soil nutrient requirements, making it suitable for promotion and cultivation in the sandy areas of northern China to adjust agricultural planting structures. However, soil disturbance during the harvesting process can potentially increase the ri…
[Purpose/Significance] Researchers require citation linkages that identify the cited papers referenced by citing documents; however, the commonly downloaded data only contains the references listed in citing documents. Only by establishing a mapping between reference entries and cited papers can cit…
The Lijiang 2.4-meter telescope, as the largest-aperture general-purpose optical telescope currently in China, plays a very important role in nighttime astronomical observations in China. According to the overall observation time allocation in recent years, spectroscopic observations with the Yunnan…
A detailed analysis of RFI mitigation strategies employed by radio observatories both domestically and internationally is presented, specifically addressing the problem of radio frequency interference (RFI) in radio astronomy observations. Based on the RFI issues encountered during actual observatio…
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…
Based on MOD17A3HGF NPP (Net Primary Productivity) data along with temperature, precipitation, and other datasets, this study employed trend analysis and partial correlation analysis to investigate the spatiotemporal dynamics of natural grassland NPP in Xinjiang from 2000 to 2018 and its response to…
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…
Using ICESat-1 and CryoSat-2 altimetry data along with in-situ hydrological station measurements, this study analyzed the water level variation characteristics of Lake Balkhash from 1970 to 2020. Combined with MOD09A1 data and related materials, the long-term time series changes in lake area and wat…
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…
Vegetation is one of the sensitive factors reflecting changes in terrestrial ecosystems and plays a crucial role in maintaining and regulating ecosystem stability. Taking the Ebinur Lake Basin, an ecologically fragile region, as the study area, and using the Geodetector model, this study investigate…
To investigate the correlation among land surface temperature (LST), normalized difference vegetation index (NDVI), and atmospheric water vapor content in desert and oasis areas of different regions in Xinjiang, this study utilized MOD13C3 vegetation index data, MOD11C3 land surface temperature data…
Taking Gaochang District of Turpan City as an example, this study utilizes four periods of remote sensing imagery from 1990, 2000, 2010, and 2018 to interpret and obtain land use change data for the study area. Based on a grid scale and comprehensively employing methods such as land use transition m…
