Addressing the need to harmonize environment conservation and sustainable economic development within the Yellow River Basin (YRB) requires a profound comprehension of the spatiotemporal dynamics of urban ecosystem resilience. This study developed an index system utilizing the resistance-adaptability-recovery framework to measure these dynamics. By applying the advanced multi-attribute boundary area comparison method and a spatial autocorrelation model, we investigated the spatiotemporal variations and spatial correlation patterns of urban ecological resilience across the YRB.
View Article and Find Full Text PDFP-type polymers are polymeric semiconducting materials that conduct holes and have extensive applications in optoelectronics such as organic photovoltaics. Taking the advantage of intrinsic discontinuous light absorption of organic semiconductors, semitransparent organic photovoltaics (STOPVs) present compelling opportunities in various potential applications such as building-integrated photovoltaics, agrivoltaics, automobiles, and wearable electronics. The characteristics of p-type polymers, including optical, electronic, and morphological properties, determine the performance of STOPVs, and the requirements for p-type polymers differ between opaque organic photovoltaics and STOPVs.
View Article and Find Full Text PDFHow to improve and regulate coffee bean yield and quality through split fertilization in the whole life cycle of coffee is still unclear and deserves further study. A field experiment of 5-year-old Arabica coffee trees was conducted for 2 consecutive years from 2020 to 2022. The fertilizer (750 kg ha year, N-PO-KO:20%-20%-20%) was split in three times at early flowering (FL), the berry expansion (BE), and the berry ripening (BR).
View Article and Find Full Text PDFPlant roots can absorb sugars from the rhizosphere, which reduces the consumption of carbon derived from photosynthesis. However, the underlying mechanisms that roots use to control sugar absorption from soil are poorly understood. Here, we identified an apple (Malus × domestica Borkh.
View Article and Find Full Text PDFFront Plant Sci
January 2023
Timely and accurate pre-harvest estimates of maize yield are vital for agricultural management. Although many remote sensing approaches have been developed to estimate maize yields, few have been tested under lodging conditions. Thus, the feasibility of existing approaches under lodging conditions and the influence of lodging on maize yield estimates both remain unclear.
View Article and Find Full Text PDFReference evapotranspiration (ET0), as one important variable in climatology, hydrology, and agricultural science, plays an important role in the terrestrial hydrological cycle and agricultural irrigation. However, the ET0 estimation process is inaccurate due to the lack of weather stations and historical data. In this study, a new method of ET0 estimation was proposed to improve the ET0 estimation performance in regions with limited data.
View Article and Find Full Text PDFInvestigating the patterns of water and carbon dynamics in agro-ecosystems in response to clouds and aerosols can shed new insights in understanding the biophysical impacts of climate change on crop productivity and water consumption. In this study, the effects of clouds and aerosols as well as other environmental factors on ecosystem water and carbon fluxes were examined based on three-year eddy covariance measurements under different sky conditions (quantified as the clearness index, K, i.e.
View Article and Find Full Text PDFObjectives: Immune abnormalities play an important role in the pathogenesis and progression of myelodysplastic syndrome (MDS). Some patients with MDS have autoimmune diseases (AI). Follicular helper T (Tfh) cells help B cells produce antibodies.
View Article and Find Full Text PDFThe impact of water stress and nitrogen (N) nutrition on leaf respiration (R), carbon balance and water use efficiency (WUE) remains largely elusive. Therefore, the objective of the present study was to investigate the effect of soil water and N stresses on growth, physiological responses, leaf structure, carbon gain and WUE of maize. The plants were subjected to different soil water and N regimes to maturity.
View Article and Find Full Text PDFBackground: The modification effect of leaching fraction (LF) on the physiological responses of plants to irrigation water salinity (EC) remains unknown. Here, leaf gas exchange, photosynthetic light-response and CO-response curves, and total carbon (C) and nitrogen (N) accumulation in hot pepper leaves were investigated under three EC levels (0.9, 4.
View Article and Find Full Text PDFMyelodysplastic syndromes (MDS) are a heterogeneous group of clonal stem cell disorders characterized by cytopenia and dysplasia. Anemia is the most common symptom in patients with MDS. Mitophagy and mitochondrial dysfunction might be involved in the development of MDS.
View Article and Find Full Text PDFMyelodysplastic syndromes (MDS) are a group of clonal hematopoietic diseases which have a high risk of progressing to acute myeloid leukemia. MDS patients have immunologic deficiency, including T and B cells dysfunction. Follicular T helper cells (Tfh, CD4CXCR5) are an important subset of helper T cells which help to the formation of germinal centers and B cells differentiation.
View Article and Find Full Text PDFZhonghua Xue Ye Xue Za Zhi
December 2015
Objective: To investigate the change of autophagy level of bone marrow mononuclear cells(BMMNCs)in patients with myelodysplastic syndromes(MDS).
Methods: Thirty- eight patients with MDS and 26 megaloblastic anemia patients were enrolled in this study. The autophagic vacuoles were observed by transmission electron microscopy (TEM) and the quantity of autophagic vacuoles was detected by monodansylcadaverine (MDC) staining.
Objective: To investigate the clinical characteristics and risk factors of monosomy 7 malignant clonal evolution in patients with severe aplastic anemia (SAA) treated with combined immunosuppressive therapy (IST).
Methods: The clinical data of SAA patients treated with IST who had monosomy 7 malignant clonal evolution from October 2004 to January 2012 were analyzed respectively.
Results: Six patients (4.
Zhongguo Shi Yan Xue Ye Xue Za Zhi
June 2015
Objective: To investigate the complete blood count, morphological changes, follicular T helper (Tfh) cells and expression of PD-1 in bone marrow and spleen of mice with myelodysplastic syndrome(MDS) and to explore their significance in pathogenesis of MDS.
Methods: The 10 male NUP98-HOXD13 transgenic mice and 10 male homologous wild-type C57BL/6J mice were used for experments. The complete blood count, morphological change of NUP98-HOXD13 transgenic mice and wild-type C57BL/6J were detected by routine methods.