Most papers are machine-translated to English; some are originally in English.
Showing 50 of 1733 papers
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…
Within the framework of the dinuclear system (DNS) model by implementing the cluster transfer into the dissipation process, we systematically investigated the energy spectra and the angular distribution of the preequilibrium clusters (n, p, d, t, $^{3}$He, $\alpha$, $^{6,7}$Li, $^{8,9}$Be) in the ma…
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…
Background Frailty is an age-related geriatric syndrome, and the prevalence of frailty among older adults in China is relatively high and shows an increasing trend year by year. Obesity is closely associated with the occurrence and development of multiple diseases, but its relationship with frailty …
Obesity is frequently complicated by metabolism-related diseases, which constitute important etiological factors or risk factors and are associated with adverse prognosis; effective weight reduction can improve or even remit these comorbidities. Lifestyle intervention alone demonstrates suboptimal e…
The design of lightweight radiation shielding structures represents a key scientific challenge in fields such as nuclear energy and deep space exploration. Due to functional requirements, these shielding structures are often partially open, rendering classical design approaches difficult to apply di…
Background: As an emerging technology, large language models are gradually gaining recognition and application among the general public. Thyroid cancer is a common type of malignant tumor in China, and patients have a high demand for thyroid cancer popular science information; however, there is stil…
Compared with conventional thermal neutron reactors, fast reactors exhibit higher fuel enrichment and a harder neutron spectrum, while the Doppler broadening effect, primarily associated with U-238, is weaker during reactor operation. Consequently, the impact of core structural deformation on reacti…
In desert environments, soil water-heat conditions are key factors affecting the healthy growth of sand-fixing plants in vegetation-based sand-fixation projects. Vertical pipe surface drip irrigation is a novel water-saving and temperature-control conservation technology proposed to alleviate the co…
Nitrous oxide (N2O) is one of the important greenhouse gases in the atmosphere, exerting significant influence on global warming. Land use change is a critical factor affecting N2O emissions, particularly in ecologically fragile semi-arid regions where the underlying mechanisms are more complex. How…
The Babusha area is situated at the intersection of the Qinghai-Tibet Plateau ecological barrier and the Northern sand prevention belt, serving as a frontline position against the southward encroachment of the Tengger Desert. Assessing changes in its ecological environmental quality holds certain gu…
This study investigated the community structure and functional differences of generalist and specialist fungal species in the soil and roots of Mongolian pine forests and their relationships with soil physicochemical properties, aiming to reveal the key microbiological mechanisms influencing ecosyst…
Evaluation of climate comfort in the Shaanxi-Gansu-Ningxia region holds significant importance for the development of regional red tourism resources and the promotion of ecological civilization construction. Utilizing meteorological element data including daily average temperature, wind speed, and r…
To obtain more accurate precipitation distribution information in remote regions, this study combines the high-resolution capability of radar with the large-scale detection advantage of satellite to obtain high-precision Quantitative Precipitation Estimation (QPE) analysis products through fusing ra…
To investigate the surface deformation characteristics and deformation prediction of giant landslides on both banks of the upper Yellow River from Longyangxia to Jishixia, this study selected the Xijitan giant landslide in the Guide area of the upper Yellow River as the research area. The Small Base…
Water resources constitute the foundation for maintaining ecosystem equilibrium and sustaining human livelihoods and economic development. Simulation of hydrological processes in arid and semi-arid ecosystems can enhance the effective utilization of local water resources. This study evaluates the ap…
Integrating crop irrigation water into the global trade chain and analyzing its sustainability is crucial for ensuring water resources and food security. Constrained by the contradiction between economic benefits and water resource development and utilization, the sustainability of virtual water foo…
This study investigated the response of cotton growth to soil temperature under phosphorus fertilizer drip application, aiming to explore the role and mechanism of soil temperature in regulating cotton root growth to improve phosphorus fertilizer use efficiency. A pot experiment was conducted with t…
Current biodiversity loss exerts adverse effects on ecosystem services, and investigating the spatiotemporal evolution characteristics of land use and habitat quality in the Sanjiangyuan region holds significant importance for ecological conservation and restoration within the area. This study emplo…
Given that pixel-level classification struggles to accurately identify glacier changes when spectral features are similar, particularly in debris-covered areas where spectral characteristics highly resemble surrounding mountains and rocks, resulting in low extraction accuracy, this study takes the Y…
Ammopiptanthus nanus is an endangered evergreen shrub endemic to the desert regions of Central Asia, possessing extremely strong cold and drought resistance. It serves as a model species for investigating plant adaptation mechanisms to extreme environments and is a key focus of research on desert bi…
Using hourly precipitation observation data from summers 2010–2021 in the Hedong region of Gansu, 50 regional short-duration heavy rainfall weather processes were selected to analyze the intensity, temporal and spatial distribution characteristics of short-duration heavy rainfall from the perspectiv…
The Loess Plateau is a climate-sensitive region in China, and studying the spatiotemporal variation characteristics of its accumulated temperature facilitates a comprehensive understanding of the thermal resource conditions on the Loess Plateau against the backdrop of climate warming. Based on daily…
Evapotranspiration, as a critical component of the water cycle, is essential for water resource regulation and ecological protection, playing a particularly important role in water consumption and redistribution in arid regions. This study takes the Aksu River Basin as the research area, utilizing M…
Constructing ecological security patterns and accurately identifying key areas for ecological restoration constitute the prerequisite and guarantee for advancing territorial ecological restoration. As a national key water source conservation area and an ecological security barrier in the upper reach…
Using MODIS snow product data, this study investigated the spatiotemporal variation characteristics of the snowmelt period on the Mongolian Plateau from 2003 to 2022, and tracked the movement of the snowmelt line toward higher latitudes at 15-day intervals as well as its response to air temperature.…
Litter decomposition plays a crucial role in carbon and nutrient cycling within terrestrial ecosystems, with climatic conditions being the primary determinant of decomposition rates. Currently, research on litter decomposition in alpine grassland ecosystems remains insufficient. To investigate the i…
Sand ridges, as the fundamental topographic units of deserts, have surface hydrothermal environments at different slope positions that profoundly influence the development and spatial distribution patterns of biological soil crusts. Lichen crusts are widely distributed on desert surfaces; however, h…
The sandy lands in the marginal monsoon region of Northeast China are sensitive to climate change and represent ideal sites for investigating the history of aeolian evolution. This study conducted optically stimulated luminescence (OSL) dating analysis of two typical aeolian sediment sections from t…
Water supply services underpin the survival and development of human society and are critical for advancing ecological civilization construction and high-quality development of river basins in China. This study takes the Yili River Valley in Xinjiang as the research area, and based on statistical ye…
Invasive plants have severely impacted global ecosystem functions and biodiversity. However, existing research primarily focuses on the monitoring and classification of single temporal phases of plants, with relatively few studies on multi-temporal continuous monitoring of key phenological stages, p…
High-boron surface water and groundwater exist in the oasis area of Qiemao County, Xinjiang, seriously affecting residents' health. To preliminarily investigate the hydrochemical characteristics and main sources of boron in the oasis area of Qiemao County, 24 water samples (4 surface water and 20 gr…
Farmland in arid regions with sandy loam soil is characterized by low fertility, poor water retention, high infiltration losses, and low crop yields. Elucidating the patterns of soil water movement in sandy loam farmland is of great significance for conserving water resources and increasing crop yie…
In recent years, the dangerous pest Agrilus viduus Kerremans has been discovered in Yili, Xinjiang. Currently, this insect has penetrated into the hinterland of wild fruit forests, causing damage to wild apples and wild apricots. Through field surveys, fixed-point observations, and indoor rearing, t…
Investigating the quantitative predictive assessment of climate impacts on vegetation greenness changes in the Qaidam Basin facilitates the coordinated promotion of integrated protection and systematic governance of mountains, rivers, forests, farmlands, lakes, grasslands, deserts, and atmosphere. B…
Daily precipitation data from ground meteorological stations across the eastern Tibetan Plateau in 2022 were selected to evaluate precipitation datasets from the China Meteorological Administration Multi-source Precipitation Analysis System (CMPAS), the China Meteorological Administration Land Data …
The Precipitation Concentration Index (PCI) effectively characterizes the intra-annual concentration of precipitation and is widely used in related research. Based on monthly precipitation and mean temperature observations from 15 meteorological stations in the Yarlung Tsangpo River (hereinafter ref…
Salinization in downstream irrigation districts of arid region river basins exacerbates soil degradation, crop yield reduction, and river water salinization, constraining the stability of agricultural production and ecological environments. Its formation is influenced by groundwater depth and improp…
Against the backdrop of gradually decreasing global atmospheric nitrogen deposition, the legacy effects of long-term nitrogen addition on alpine grassland ecosystems remain unclear. Therefore, this study conducted a 16-year controlled experiment in the Bayanbulak alpine grassland in the central Tian…
To investigate the mineralization characteristics of organic fertilizer combined with medium and trace elements in aeolian sandy soil and its effects on soil organic carbon fractions, laboratory incubation and field experiments were conducted to examine the decomposition and residual rates of organi…
Cellular senescence is a cellular response closely associated with genotoxic stress that plays a critical role in determining cell fate following irradiation exposure. Primary cilia are sensory organelles located on the cell surface that detect and transmit diverse signaling cues. However, the relat…
This study investigates the structural, physical, and gamma-ray shielding properties of a borate-based glass system modified by varying amounts of cement dust (0–20 wt. %). Five glass samples were obtained using the fast quenching method, then characterized using the measured bulk density and Fourie…
Small reactors impose demands for the miniaturization of heat exchange equipment. Addressing the miniaturization requirements of a certain shell-and-tube heat exchanger, a high-performance rectangular microchannel heat exchanger suitable for additive manufacturing technology (additive manufacturing …
