Changxiang Yan
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View article: Integrated Analysis of Transcriptomes and Pectinase Gene Families Reveals a Novel Pathway Mediating Tomato Fruit Malformation
Integrated Analysis of Transcriptomes and Pectinase Gene Families Reveals a Novel Pathway Mediating Tomato Fruit Malformation Open
Tomato fruit malformation causes substantial yield and economic losses, but its molecular mechanisms are not well understood. This study compared floral traits of WT ‘QT57’ and malformed-fruit mutant ‘QT2’, integrated transcriptomic data, …
View article: The Impact of the Mindanao and Halmahera Eddies on the Indonesian Throughflow Seasonal and Interannual Variations
The Impact of the Mindanao and Halmahera Eddies on the Indonesian Throughflow Seasonal and Interannual Variations Open
The Mindanao eddy (ME) and Halmahera eddy (HE) are major mesoscale systems in the Indonesian Throughflow (ITF) source region, yet their interactive influence on ITF transport remains unclear. Using GLORYS12V1 reanalysis data (1993–2020) fr…
View article: Spatiotemporal Heterogeneity of Forest Park Soundscapes Based on Deep Learning: A Case Study of Zhangjiajie National Forest Park
Spatiotemporal Heterogeneity of Forest Park Soundscapes Based on Deep Learning: A Case Study of Zhangjiajie National Forest Park Open
As a perceptual representation of ecosystem structure and function, the soundscape has become an important indicator for evaluating ecological health and assessing the impacts of human disturbances. Understanding the spatiotemporal heterog…
View article: Analytical design method for small-sag freeform surfaces in optical systems with rectangular fields of view
Analytical design method for small-sag freeform surfaces in optical systems with rectangular fields of view Open
In optical systems with multiple freeform surfaces, overcompensation between freeform surfaces can occur during optimization. This paper proposes an analytical method for the calculation of freeform surface parameters based on rectangular …
View article: Glucose-potassium ratio: a prognostic biomarker enhancing outcome prediction in mild-to-moderate traumatic brain injury
Glucose-potassium ratio: a prognostic biomarker enhancing outcome prediction in mild-to-moderate traumatic brain injury Open
Background To determine the prognostic value of the serum glucose-to-potassium ratio (GPR) in patients with mild-to-moderate traumatic brain injury (MM-TBI). Methods Clinical data from patients admitted to the Second Affiliated Hospital of…
View article: Effects of different dosages/frequency of Xuebijing injection (a Chinese patent) for sepsis: a network meta-analysis of randomized controlled trials
Effects of different dosages/frequency of Xuebijing injection (a Chinese patent) for sepsis: a network meta-analysis of randomized controlled trials Open
Objective Xuebijing injection (XBJ) has been widely recognized in the treatment of sepsis, however, inadequate information regarding XBJ's optimal dosage and frequency suffice. We aimed to assess the effectiveness of various doses and admi…
View article: A Comprehensive Bibliometric Analysis of Brucellosis Research: Insights from CNKI and Web of Science Databases (2014-2023)
A Comprehensive Bibliometric Analysis of Brucellosis Research: Insights from CNKI and Web of Science Databases (2014-2023) Open
Between 2014 and 2023, CNKI saw a slight dip in brucellosis studies, while WoS research on it gained growing attention. CNKI literature primarily focuses on epidemiology, clinical manifestations, complications, and diagnostic methods, whil…
View article: Transcriptomic and the Pectinase Gene Family analysis reveals a particular pathway on malformed tomato development
Transcriptomic and the Pectinase Gene Family analysis reveals a particular pathway on malformed tomato development Open
Fruit malformation severely reduces the yield and quality of tomatoes, resulting in significant economic losses. However, the molecular mechanisms underlying malformed tomato fruit are far from being fully understood. Here, we first invest…
View article: Jiangnan Coal Capital: Development and Utilization of Pingxiang’s Red Culture
Jiangnan Coal Capital: Development and Utilization of Pingxiang’s Red Culture Open
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View article: Analytical design of freeform surface parameters of optical system based on double Zernike polynomials
Analytical design of freeform surface parameters of optical system based on double Zernike polynomials Open
This paper presents what we believe to be a novel approach for determining the parameters of freeform surfaces using double Zernike polynomials. We derive the analytical expressions for the double Zernike aberration contributions of freefo…
View article: Four-Channel Polarimetric-Spectral Intensity Modulation Imager
Four-Channel Polarimetric-Spectral Intensity Modulation Imager Open
To solve the problems of channel crosstalk and edge jitter caused by the Fourier transform demodulation of polarimetric-spectral intensity modulation in polarization spectral data, this paper proposes a Four-Channel Polarimetric Spectromet…
View article: Design Method of Freeform Surface Optical Systems with Low Coupling Position Error Sensitivity
Design Method of Freeform Surface Optical Systems with Low Coupling Position Error Sensitivity Open
Freeform off-axis reflective systems are significantly more difficult to align and assemble owing to their asymmetric surface shapes and system structures. In this study, a freeform surface system design method with low coupling position e…
View article: In-Orbit Image Motion Compensation Technology for Long-Integration Time Space Cameras Using a Two-Axis Pointing Platform
In-Orbit Image Motion Compensation Technology for Long-Integration Time Space Cameras Using a Two-Axis Pointing Platform Open
Space cameras play a pivotal role in various fields, such as astronomical exploration. When operating in orbit, these cameras encounter the relative motion between the target and the camera during the exposure, resulting in image motion, w…
View article: Estimation of Soil Organic Matter Based on Spectral Indices Combined with Water Removal Algorithm
Estimation of Soil Organic Matter Based on Spectral Indices Combined with Water Removal Algorithm Open
Soil moisture strongly interferes with the spectra of soil organic matter (SOM) in the near-infrared region, which reduces the correlation between organic matter and spectra and decreases accuracy in the prediction of SOM. In this study, w…
View article: Estimation of soil organic matter content based on spectral indices constructed by improved Hapke model
Estimation of soil organic matter content based on spectral indices constructed by improved Hapke model Open
Soil organic matter (SOM) content is an important indicator to measure the degradation degree and fertility of soil. However, most current SOM prediction methods are based on statistical learning theory, overlooking the transmission proces…
View article: Single-cell RNA sequencing reveals cellular senescence functions as a prognostic and therapeutic indicator in meningiomas
Single-cell RNA sequencing reveals cellular senescence functions as a prognostic and therapeutic indicator in meningiomas Open
Meningiomas rank among the most prevalent solid tumors in the human central nervous system, exhibiting a wide spectrum of prognoses, with particularly challenging outcomes in cases of malignant meningiomas. Cellular senescence (CS) is reco…
View article: Polarimetric calibration method for the fore-optics of a channeled spectropolarimeter
Polarimetric calibration method for the fore-optics of a channeled spectropolarimeter Open
A channeled spectropolarimeter is a powerful tool for the simultaneous measurement of the intensity, spectral, and polarization information of a target. However, the fore-optics introduce additional polarization information, which leads to…
View article: Design of the Space Camera Protection System during Launch Process
Design of the Space Camera Protection System during Launch Process Open
In order to improve the safety and reliability and maintain the stability of imaging quality when a space camera with a cargo spaceship is launched, a protection system for the space camera is designed. Firstly, according to the mechanical…
View article: Impact of Spectral Resolution and Signal-to-Noise Ratio in Vis–NIR Spectrometry on Soil Organic Matter Estimation
Impact of Spectral Resolution and Signal-to-Noise Ratio in Vis–NIR Spectrometry on Soil Organic Matter Estimation Open
Recently, considerable efforts have been devoted to the estimation of soil properties using optical payloads mounted on drones or satellites. Nevertheless, many studies focus on diverse pretreatments and modeling techniques, while there co…
View article: The Influence of On-Orbit Micro-Vibration on Space Gravitational Wave Detection
The Influence of On-Orbit Micro-Vibration on Space Gravitational Wave Detection Open
Large-aperture space telescopes have played an important role in space gravitational wave detection missions. Overcoming the influence of the space environment on interstellar laser distance measurement and realistic high-concentration las…
View article: Defect detection and response non-uniformity correction of a monocentric camera based on fiber optic relay imaging
Defect detection and response non-uniformity correction of a monocentric camera based on fiber optic relay imaging Open
The monocentric camera based on fiber relay imaging offers benefits of light weight, compact size envelope, vast field of view, and high resolution, which can fully fulfill the index requirements of space-based surveillance systems. Howeve…
View article: Real-time on-orbit image quality improvement for a wide-field imaging system with detector arrays
Real-time on-orbit image quality improvement for a wide-field imaging system with detector arrays Open
Wide-field imaging systems are faced with the problem of massive image information processing and transmission. Due to the limitation of data bandwidth and other factors, it is difficult for the current technology to process and transmit m…
View article: In-Orbit Calibration of Phase Retardance for Channeled Spectropolarimeter
In-Orbit Calibration of Phase Retardance for Channeled Spectropolarimeter Open
The phase retardance of the optical system (PROS) is a crucial factor limiting the accuracy of the Stokes vector reconstruction for the channeled spectropolarimeter. The dependence on reference light with a specific angle of polarization (…
View article: Prediction of soil properties based on characteristic wavelengths with optimal spectral resolution by using Vis-NIR spectroscopy
Prediction of soil properties based on characteristic wavelengths with optimal spectral resolution by using Vis-NIR spectroscopy Open
Visible and near-infrared (Vis-NIR) spectroscopy technique has been recognized as a cost-effective, rapid, non-destructive alternative to traditional soil physicochemical analysis to estimate soil properties over the past few decades. Most…