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Article
Remove and recover: two stage convolutional autoencoder based sonar image enhancement algorithm
High-quality forward-looking sonar images are the basic guarantee for underwater object detection and classification of autonomous underwater vehicle (AUV). However, the sonar image has been suffering from two...
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Article
Improved Compressive Properties of TiAl Alloy with Ultrafine/Fine Grains Prepared by High-Energy Ball Milling and Hot-Pressing Sintering
In this paper, Ti-48Al-2Cr-2Nb alloy with ultrafine/fine-scale bimodal grain structure was prepared by high-energy ball milling and hot-pressing sintering. The microstructure, room temperature mechanical prope...
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Article
Microstructure and Mechanical Properties of Powder Metallurgical TiAl-Based Alloy Made by Micron Bimodal-Sized Powders
Three powder metallurgical Ti-48Al-2Cr-2Nb compacts were prepared using spherical pre-alloyed powders, mechanically milled powders, and a mixture of the spherical pre-alloyed powders and the mechanical milled ...
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Article
Open AccessPosition and orientation of the westerly jet determined Holocene rainfall patterns in China
Proxy-based reconstructions and modeling of Holocene spatiotemporal precipitation patterns for China and Mongolia have hitherto yielded contradictory results indicating that the basic mechanisms behind the Eas...
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Article
Altitudinal changes of surface pollen and vegetation on the north slope of the Middle Tianshan Mountains, China
To provide information on vegetation patterns and altitudinal distributions of pollen assemblage in surface soil layers, their complicated relationships in a dryland mountain-basin system in northwestern China...
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Article
Open AccessTransport of airborne Picea schrenkiana pollen on the northern slope of Tianshan Mountains (**njiang, China) and its implication for paleoenvironmental reconstruction
The understanding of airborne pollen transportation is crucial for the reconstruction of the paleoenvironment. Under favorable conditions, a considerable amount of long-distance-transported pollen can be depos...
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Article
Open AccessA microarray-based approach for identifying genes for resistance to Fusarium Graminearum in maize (Zea Mays L.)
Fusarium graminearum causes gibberella ear rot in maize. The incidence and severity of the disease is strongly influenced by environmental factors and can reach epidemic levels. The infection can result in severe...
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Article
Pollen record and environmental evolution of Caotanhu wetland in **njiang since 4550 cal. a BP
This paper presents a multi-proxy reconstruction of the climate change in Caotanhu wetland using pollen, phytolith and charcoal records, and the data of loss of ignition (LOI), grain size analysis, and suscept...
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Article
Fluctuation of Picea timber-line and paleo-environment on the northern slope of Tianshan Mountains during the late Holocene
As a good indicator of Holocene climate, the fluctuation of alpine timberline is a synthetical result of impacts of many environmental factors during geological and historical periods and modern times. As the ...
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Article
Environmental changes and lake level fluctuation recorded by lakes on the plain in northern **njiang during the late Holocene
**njiang Autonomous Region is located in the arid area of westerly of China and there are many arguments about the changes of past temperature and moisture. Most of the lakes on the plain in northern **njiang ...
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Article
Wind erosion at the dry-up bottom of Aiby Lake
Clay-rich deposits are usually considered as hard materials to be eroded by wind. Data from both surface monitoring and field survey at the dry-up bottom of Aiby Lake present that clay-rich lacustrine deposits...
