Αποτελέσματα αναζήτησης - Huimin Yang
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Determination of advantame in fermented milk using Captiva EMR-Lipid combined with UHPLC-MS/MS
Έκδοση 2025-06-01Λήψη πλήρους κειμένουThe study established a detection method for determining the content of advantame in fermented milk by combining an enhanced lipid removal purification technology (Captiva EMR-Lipid) with ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). The sample was salted out b...
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A Microwave Frequency Measurement System Based on Si3N4 Ring-Assisted Mach-Zehnder Interferometer
Έκδοση 2020-01-01Λήψη πλήρους κειμένουA microwave frequency measurement system based on a ring assisted Mach-Zehnder interferometer (RAMZI) with a large measurement range and high accuracy is proposed and experimentally demonstrated. By using single-sideband modulation, the microwave signal with unknown frequency is converted to an opti...
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A Stopband and Passband Switchable Microwave Photonic Filter Based on Integrated Dual Ring Coupled Mach–Zehnder Interferometer
Έκδοση 2019-01-01Λήψη πλήρους κειμένουA stopband and passband switchable microwave photonic filter based on the integrated tunable dual ring coupled Mach–Zehnder interferometer has been demonstrated. By using the optical single sideband modulation, the switchable stopband and passband optical responses of the optical filter a...
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Impact of the health insurance deregulation policy for cross-regional healthcare on hospitalization visits and expenses of patients with ischemic heart disease: an interrupted time...
Έκδοση 2025-07-01Λήψη πλήρους κειμένουBackgroundThe health insurance deregulation policy aimed to enhance healthcare accessibility by eliminating intra-provincial administrative hurdles. However, its impact on hospitalization patterns of high-burden chronic conditions like ischemic heart disease (IHD) remains unexamined.MethodsInterrupt...
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A Tunable Optical Delay Line Based on Cascaded Silicon Nitride Microrings for Ka-Band Beamforming
Έκδοση 2019-01-01Λήψη πλήρους κειμένουA continuously tunable optical delay line with low delay ripple based on four cascaded tunable silicon nitride microring resonators for Ka-band beamforming network is proposed. The delay responses of the tunable optical delay line were investigated theoretically and experimentally. And a maximum del...
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The first factor affecting dryland winter wheat grain yield under various mulching measures: Spike number
Έκδοση 2024-03-01Λήψη πλήρους κειμένουWater is the key factor limiting dryland wheat grain yield. Mulching affects crop yield and yield components by affecting soil moisture. Further research is needed to determine the relationships between yield components and soil moisture with yield, and to identify the most important factor affectin...
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Winter Wheat Nitrogen Content Prediction and Transferability of Models Based on UAV Image Features
Έκδοση 2025-06-01Λήψη πλήρους κειμένουAccurate and timely monitoring of plant nitrogen content (PNC) is essential for precision agriculture (PA) and food security. While multispectral unmanned aerial vehicle (UAV) imagery has shown promise in PNC estimation, the optimal feature combination methods of spectral and texture features remain...
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