खोज परिणाम - Qiang Yuan
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A Crossover Adjustment Method Considering the Beam Incident Angle for a Multibeam Bathymetric Survey Based on USV Swarms
प्रकाशित 2025-07-01पूर्ण पाठ प्राप्त करेंMultibeam echosounder systems (MBESs) are widely used in unmanned surface vehicle swarms (USVs) to perform various marine bathymetry surveys because of their excellent performance. To address the challenges of systematic error superposition and edge beam error propagation in multibeam bathymetry sur...
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The prognostic value of serum neuron-specific enolase in traumatic brain injury: systematic review and meta-analysis.
प्रकाशित 2014-01-01पूर्ण पाठ प्राप्त करें<h4>Background</h4>Several studies have suggested that neuron-specific enolase (NSE) in serum may be a biomarker of traumatic brain injury. However, whether serum NSE levels correlate with outcomes remains unclear. The purpose of this review was to evaluate the prognostic value of serum...
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HIF-2α not HIF-1α overexpression confers poor prognosis in non–small cell lung cancer
प्रकाशित 2017-06-01पूर्ण पाठ प्राप्त करेंHIF-α may play an important role in the process of tumorigenesis as well as tumor progression. Although a number of investigations have established the significance of HIF-1α in several human tumors, there is still little information available on the clinical significance of HIF-2α expression in non...
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Effect of problem-based learning combined with seminar versus traditional teaching method in medical education in China: a systematic evaluation and meta-analysis
प्रकाशित 2025-06-01पूर्ण पाठ प्राप्त करेंObjectivesThis study systematically evaluates the effectiveness of combining problem-based learning with the seminar teaching method and the traditional lecture-based learning model in medical education by meta-analysis.MethodsA computer-based search of major domestic and international literature da...
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Experimental study on the failure mechanism and support optimization of deep soft rock roadway structures for coal mine safety
प्रकाशित 2025-07-01पूर्ण पाठ प्राप्त करेंThe effectiveness of roadway support in soft rock under high horizontal stress poses a critical technical challenge in underground engineering. It directly affects mine construction progress and mining safety. In response to support failures, such as significant deformation, sheet wall collapse, and...
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The impact of ADL disability in middle-aged and older adults on the incidence of hip fractures and the mediating role of depression: a longitudinal evidence from CHARLS
प्रकाशित 2025-07-01पूर्ण पाठ प्राप्त करेंBackgroundHip fractures pose a major public health burden in aging populations, driven by rising osteoporosis prevalence and demographic aging. In China, nearly 2 million new cases occurred in 2019, disproportionately affecting middle-aged and older women. Despite extensive research on biomedical ri...
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Real-Time Electro-Optical Tunable Hyperlens Under Subwavelength Scale
प्रकाशित 2018-01-01पूर्ण पाठ प्राप्त करेंHyperlens consisted by period plasmonic metamaterials is an interesting technology for the optical imaging of arbitrary objects beyond the diffraction limit in the far field, which has great potential applications in nanophotonics. However, the functionality of previously presented hyperlens is limi...
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Regulation of Steroidal Alkaloid Biosynthesis in Bulbs of <i>Fritillaria thunbergii</i> Miq. By Shading and Potassium Application: Integrating Transcriptomics and Metabolomics Anal...
प्रकाशित 2025-05-01पूर्ण पाठ प्राप्त करें<i>Fritillaria thunbergii</i> Miq., a medicinal plant rich in steroidal alkaloids, produces bulbs that clear heat, resolve phlegm, and detoxify. However, excessive yield-oriented cultivation has reduced the number of <i>F. thunbergii</i> plants that meet commercial standards....
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Study on structural evolution law of overlying rock mass in fully mechanized top-coal caving face under open-pit slope with extremely thick and hard overburden
प्रकाशित 2025-06-01पूर्ण पाठ प्राप्त करेंAnalyzing overburden movement, surface deformation and fracturing in mines with extremely thick, hard cover is critical for coal mine safety. In this context, the present study examines the 021N2 fully-mechanized top-coal caving face beneath an open-pit slope with extremely thick, hard overburden, d...
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Genome-wide pedigree analysis of elite rice Shuhui 527 reveals key regions for breeding
प्रकाशित 2021-01-01पूर्ण पाठ प्राप्त करेंHybrid rice significantly contributes to the food supply worldwide. Backbone parents play important roles in elite hybrid rice breeding systems. In this study, we performed pedigree-based analysis of the elite backbone parent rice variety, namely, Shuhui 527 (SH527, Oryza sativa), to exploit key gen...
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