Search Results - Rong ZHANG
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Current research progresses on calf rearing and nutrition in China
Published 2017-12-01Get full textCalves are the reserve forces for dairy cattle. Scientific rearing strategy of calves is the basis of efficient cattle breeding. However, many problems exist in current rearing systems of calves and restrict the sustainable development of dairy cattle in China. The absence of basic research is the m...
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Whole genome analysis reveals the distribution and diversity of plasmid reservoirs of NDM and MCR in commercial chicken farms in China
Published 2025-07-01Get full textABSTRACT The increase in multidrug-resistant (MDR) Enterobacteriaceae presents a significant challenge to clinical treatment, particularly in infections where carbapenems and colistin serve as the last-resort antimicrobial agents. In this study, we isolated 119 non-repetitive gram-negative bacteria...
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Non-invasive monitoring of Aspergillus infections in chronic lung disease patients: a combined serology and HRCT imaging approach
Published 2025-06-01Get full textBackgroundDiagnosing Aspergillus infections in patients with chronic pulmonary diseases is challenging, particularly in settings where invasive diagnostic tools are limited. This study explores a non-invasive diagnostic approach, combining serological tests and high-resolution computed tomography (H...
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Expression and significance of CEMIP and CYP11B2 in serum in women with foetal growth restriction
Published 2024-12-01Get full textBackground Foetal growth restriction (FGR) occurs when a foetus fails to reach its growth potential. This observational study assessed the expression and significance of cell migration-including protein (CEMIP) and aldosterone synthase (CYP11B2) in the serum of pregnant women with FGR.Methods 40 sin...
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In-situ manipulation of wireless link with reinforcement-learning-driven programmable metasurface in indoor environment
Published 2023-09-01Get full textIt is of great importance to control flexibly wireless links in the modern society, especially with the advent of the Internet of Things (IoT), fifth-generation communication (5G), and beyond. Recently, we have witnessed that programmable metasurface (PM) or reconfigurable intelligent surface (RIS)...
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Reverse Leakage Current Characteristics of GaN/InGaN Multiple Quantum-Wells Blue and Green Light-Emitting Diodes
Published 2016-01-01Get full textThe mechanisms of reverse leakage in InGaN/GaN multiple-quantum-wells (MQWs) blue and green light-emitting diodes (LEDs) were studied through analyzing the current–voltage (<italic>I–V</italic>) characteristics with the temperature ranging from 50 to 350...
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Effects of Potassium Supply in Nutrient Solution on Water and Nutrient Absorption of Substrate-Grown Tomato Plants
Published 2025-06-01Get full textPotassium (K<sup>+</sup>) functions as a critical “regulator” and “quality element” in plants, with its physiological roles varying across developmental stages. To clarify the effects of different K<sup>+</sup> amounts in nutrient solution on water and nutrient absorption cha...
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Polarization Enhanced GaN Avalanche Photodiodes With p-type In<sub>0.05</sub>Ga<sub>0.95</sub>N Layer
Published 2020-01-01Get full textIn this letter, novel heterostructure p-i-n GaN avalanche photodiodes (APDs) with p-type In<sub>0.05</sub>Ga<sub>0.95</sub>N layer are proposed and analyzed through Silvaco Atlas simulations. The introduction of the In<sub>0.05</sub>Ga<sub>0.95</sub>N...
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Integrated mosquito control in Matatang village, Northern Zhejiang, China: an effectiveness assessment
Published 2025-07-01Get full textMosquito nuisance and disease transmission have become significant challenges in rural development and tourism. From 2018 to 2021, Matatang village in Jiaxing City, Zhejiang Province, implemented an integrated mosquito control program centered on environmental management and health education. This s...
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Three New Physalins from <i>Physalis Alkekengi</i> L. var. <i>franchetii</i> (Mast.) Makino
Published 2025-07-01Get full text<i>Physalis Alkekengi</i> L. var. <i>franchetii</i> (Mast.) Makino (PAF), which is used in both food and medicine, has a long history of about 1800 years of application in China. There are many active constituents in the calyx of PAF. Physalins and physalins with a single oxy...
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Tolerance and efficacy of HIFU ablation for uterine fibroids NPVR ≥ 90%: a nested case-control study
Published 2022-12-01Get full textObjective To investigate the tolerance and efficacy of HIFU ablation for uterine fibroids with a non-perfused volume ratio (NPVR) ≥ 90%.Methods A prospective cohort study of 2411 patients from 20 clinical centers was available. Contrast-enhanced MRI was used to assess the non-perfused volume ratio (...
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Relationship Between Polyamines Metabolism and Cell Death in Roots of Malus hupehensis Rehd. Under Cadmium Stress
Published 2012-07-01Get full textThe free putrescine (Put) content, the hydrogen peroxide (H2O2) content and the polyamine oxidase (PAO) activity in roots of Malus hupehensis Rehd. var. pinyiensis Jiang (PYTC) were significantly increased, and reached its peak at 1, 2 and 6 h, respectively, under cadmium treatment. The free spermin...
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Association of brain-derived neurotrophic factor levels at different trimesters and new-onset depressive symptom in the third trimester among pregnant women: a longitudinal study
Published 2025-07-01Get full textBackgroundAccumulating evidence e suggests that brain-derived neurotrophic factor (BDNF) may play a role in the development of depression. However, changes in serum BDNF during distinct gestational periods and their association with prenatal depression remain unclear.ObjectivesTo investigate the cha...
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An Improved Design for Solar-Blind AlGaN Avalanche Photodiodes
Published 2017-01-01Get full textTo enhance the impact ionization coefficient of holes, we proposed an improved solar-blind AlGaN avalanche photodiode (APD) structure by using a low-Al-composition AlGaN multiplication layer and a filter based on periodic photonic crystal together with a composition graded interlayer between separat...
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AlGaN-Based Multiple Quantum Well Deep Ultraviolet Light-Emitting Diodes With Polarization Doping
Published 2016-01-01Get full textThe characteristics of AlGaN-based deep-ultraviolet (DUV) light-emitting diodes (LEDs) with polarization-doped p-type layers were numerically analyzed. The energy band diagrams, carrier distributions in the multiple quantum wells (MQWs) and the p-type regions, electroluminescence spectra, current-ve...
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4H-SiC SACM Avalanche Photodiode With Low Breakdown Voltage and High UV Detection Efficiency
Published 2016-01-01Get full textIn this paper, a high-performance 4H-SiC separated absorption charge multiplication ultraviolet avalanche photodiode (APD) with low breakdown voltage is designed and fabricated. The room temperature dark current of the APD remains at ∼0.1 pA level (<inline-formula><tex-math notat...
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Fine Control of the Electric Field Distribution in the Heterostructure Multiplication Region of AlGaN Avalanche Photodiodes
Published 2017-01-01Get full textTo enhance avalanche ionization, we designed a new separate absorption and multiplication AlGaN solar-blind avalanche photodiode (APD) by replacing the conventional AlGaN homogeneous multiplication region with a high/low Al content AlGaN heterostructure layer. The calculated results showe...
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Electrically Injected Hybrid Organic/Inorganic III-Nitride White Light-Emitting Diodes Based on Rubrene/(InGaN/GaN) Multiple-Quantum-Wells P-N Junction
Published 2019-01-01Get full textIt is known that the commercialized white light-emitting diodes (WLEDs) depend on phosphor conversion, which is limited by the unbalanced carrier injection in multiple quantum wells (MQWs) and low down-conversion efficiency. To solve these problems, hybrid organic/inorganic III-nitride WL...
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Interactions in Lidocaine-Carboxylic Acid-Based Deep Eutectic Solvents: Implications for Cobalt Extraction
Published 2025-06-01Get full textThe limited understanding of intermolecular interactions in deep eutectic solvents (DESs) has restricted their rational design and broader application. In this study, a series of hydrophobic DESs (HDESs) were prepared using lidocaine as the hydrogen bond acceptor and various carboxylic acids as hydr...
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Harmful evaluation of heavy metals from soil layer to the groundwater: Take the Jilin Hunchun Basin as an example
Published 2024-01-01Get full textThe continuous enrichment of heavy metals in soils has caused potential harm to groundwater. Quantitative methods to evaluate the harm of heavy metals in soil to groundwater are lacked in previous studies. Based on the theory of groundwater circulation and solid-liquid equilibrium, a simple and easy...
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