Xianmin Chen
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View article: A Dynamic Pose-Testing Technique of Landing Gear Combined Stereo Vision and CAD Digital Model
A Dynamic Pose-Testing Technique of Landing Gear Combined Stereo Vision and CAD Digital Model Open
The landing gear is one of the key components of an aircraft, enduring significant forces during takeoff and landing, and is influenced by various uncertain factors related to its structure. Therefore, conducting strength tests on the land…
View article: Risk analysis and mitigation of pressurization test for civil aircraft airtight cabin doors based on FMEA
Risk analysis and mitigation of pressurization test for civil aircraft airtight cabin doors based on FMEA Open
This study applies the Failure Mode and Effects Analysis (FMEA) method to conduct risk analysis and mitigation for the pressurization testing of civil aircraft airtight cabin doors. Based on a standardized pressurization test protocol, the…
View article: Siblicide between fertilized and unfertilized ovaries within the maize ear
Siblicide between fertilized and unfertilized ovaries within the maize ear Open
Evolutionarily, plants overproduce ovaries but selectively eliminate those inferiors to ensure competitive offspring to set. This sibling rivalry, reducing grain number, is detrimental agronomically. However, the interaction between early-…
View article: EBTM: An Enumeration-Based Thresholding Method for Degraded Circular Dot Segmentation
EBTM: An Enumeration-Based Thresholding Method for Degraded Circular Dot Segmentation Open
Circular dots are widely used in various measurement applications due to their inherent symmetry, ease of detection, and scalability. However, when degraded by factors such as specular highlights, low contrast, strong noise, or friction da…
View article: A new wavy-canopy architecture shaped by interlaced application of EDAH increases maize yield and lodging resistance at high density
A new wavy-canopy architecture shaped by interlaced application of EDAH increases maize yield and lodging resistance at high density Open
High-density planting increases maize yield but also canopy crowding and stalk lodging. Aiming this contradiction, a wavy canopy was created using interlaced chemical application (IC) of a plant growth retardant at the V14 stage with three…
View article: Fatigue Experiment and Failure Mechanism Analysis of Aircraft Titanium Alloy Wing–Body Connection Joint
Fatigue Experiment and Failure Mechanism Analysis of Aircraft Titanium Alloy Wing–Body Connection Joint Open
Taking the titanium alloy wing–body connection joint at the rear beam of a certain type of aircraft as the research object, this study analyzed the failure mechanism and verified the structural safety of the wing–body connection joint unde…
View article: Effect of edge distance-diameter ratio on pin-bearing strength of TC18 by laser melting deposition
Effect of edge distance-diameter ratio on pin-bearing strength of TC18 by laser melting deposition Open
This paper presents an experimental study on the pin-bearing characteristics of TC18 titanium alloy produced by laser melting deposition. Two types of specimens with edge distance-to-diameter ratios (e/D) were manufactured for pin-bearing …
View article: Incomplete filling in the basal region of maize endosperm: timing of development of starch synthesis and cell vitality
Incomplete filling in the basal region of maize endosperm: timing of development of starch synthesis and cell vitality Open
SUMMARY Starch synthesis in maize endosperm adheres to the basipetal sequence from the apex downwards. However, the mechanism underlying nonuniformity among regions of the endosperm in starch accumulation and its significance is poorly und…
View article: Retinex-RAWMamba: Bridging Demosaicing and Denoising for Low-Light RAW Image Enhancement
Retinex-RAWMamba: Bridging Demosaicing and Denoising for Low-Light RAW Image Enhancement Open
Low-light image enhancement, particularly in cross-domain tasks such as mapping from the raw domain to the sRGB domain, remains a significant challenge. Many deep learning-based methods have been developed to address this issue and have sh…
View article: Research on the application of airbag loading technology in the strength test of amphibious aircraft
Research on the application of airbag loading technology in the strength test of amphibious aircraft Open
This paper verifies the feasibility of the airbag loading technique to apply hydrodynamic loads on the bottom of large amphibious aircraft. Firstly, CCAR-23 §23.533 is used to calculate the bottom pressure of the ship’s bottom test piece w…
View article: Ground Strength Test Technique of Variable-Camber Wing Leading Edge
Ground Strength Test Technique of Variable-Camber Wing Leading Edge Open
Morphing wing technology is crucial for enhancing the flight performance of aircraft. To address the monitoring challenges of full-scale variable-camber leading edges under flight conditions, this study introduces a ground-based strength t…
View article: Coordination of carbon assimilation, allocation, and utilization for systemic improvement of cereal yield
Coordination of carbon assimilation, allocation, and utilization for systemic improvement of cereal yield Open
The growth of yield outputs is dwindling after the first green revolution, which cannot meet the demand for the projected population increase by the mid-century, especially with the constant threat from extreme climates. Cereal yield requi…
View article: Timing effect of high temperature exposure on the plasticity of internode and plant architecture in maize
Timing effect of high temperature exposure on the plasticity of internode and plant architecture in maize Open
The occurrence of high temperature (HT) in crop production is becoming more frequent and unpredictable with global warming, severely threatening food security. The state of an organ's growth and development is largely determined by the tem…
View article: Late Split-Application with Reduced Nitrogen Fertilizer Increases Yield by Mediating Source–Sink Relations during the Grain Filling Stage in Summer Maize
Late Split-Application with Reduced Nitrogen Fertilizer Increases Yield by Mediating Source–Sink Relations during the Grain Filling Stage in Summer Maize Open
In the North China Plain, the excessive application of nitrogen (N) fertilizer for ensuring high yield and a single application at sowing for simplifying management in farmer practice lead to low N use efficiency and environmental risk in …
View article: Stubby or Slender? Ear Architecture Is Related to Drought Resistance in Maize
Stubby or Slender? Ear Architecture Is Related to Drought Resistance in Maize Open
Ear architecture is determined by two stable heritable traits, kernel row number (KRN) and kernel number per row (KNPR), but its relationship with drought resistance is still vague. To this end, we obtained 16 and 11 hybrids with slender (…
View article: A statistically self-consistent fatigue damage accumulation model including load sequence effects under spectrum loading
A statistically self-consistent fatigue damage accumulation model including load sequence effects under spectrum loading Open
A probabilistic methodology is proposed to evaluate fatigue damage accumulation and fatigue lives of specimens under variable amplitude loading. With probabilistic modifications in the present model, the calculative consistency is achieved…
View article: Weight Function Method for computations of crack face displacements and stress intensity factors of center cracks
Weight Function Method for computations of crack face displacements and stress intensity factors of center cracks Open
The weight function method provides a powerful and reliable tool for the determination of the stress intensity factor around the crack tip in a linearly elastic cracked solid subjected to arbitrary loading conditions. However, it is diffic…
View article: Bridging cells of three colors with two bio-orthogonal click reactions
Bridging cells of three colors with two bio-orthogonal click reactions Open
Two bio-orthogonal click reactions were employed to bridge prokaryotic E. coli or eukaryotic HEK 293T cells of three colors successfully.