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Article
Thermal oxidation kinetic simulation of ignition and combustion of B–Mg–Al ternary metal alloy particles in alternating atmosphere
Aiming at the demand for improving the heat release performance of solid propellants for high energy and complex practical application scenarios, the B–Mg–Al ternary alloy is proposed as a metal fuel additive....
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Article
Effect of pressure and oxygen content on the ignition and combustion of Al–Mg alloy
Using Al–Mg alloy instead of pure aluminum can improve the agglomeration and combustion characteristics of composite propellants. In this experiment, the effects of oxygen concentration and pressure on the ign...
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Article
Mineralogical study and significance of the basalt-hosted Carlin-type Au deposits in southwestern Guizhou Province, China
The Jiadi and Damaidi gold deposits in southwest Guizhou Province are the largest basalt-hosted Carlin-type gold deposits recently discovered in China. This study uses the Tescan Integrated Mineral Analyzer, s...
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Article
Open AccessSpace-weathered rims on lunar ilmenite as an indicator for relative exposure ages of regolith
Solar wind irradiation, as a crucial space weathering mechanism, alters the microscopic characteristics and reflectance spectrum of the lunar regolith, and its cumulative effect is strongly related to the expo...
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Article
Predictive model for the ignition and combustion behaviors of micron-sized aluminum particles in a water vapor environment
The ignition and combustion behaviors of single-particle aluminum in a water vapor environment are among the most important basic research aspects of metal fuels and solid propulsion technologies. In this pape...
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Article
Open AccessSmall molecule tyrosine kinase inhibitors approved for systemic therapy of advanced hepatocellular carcinoma: recent advances and future perspectives
Liver cancer is the sixth most commonly diagnosed cancer and the third leading cause of cancer death in the world, and hepatocellular carcinoma (HCC) is the most common form of liver cancer. More than half of ...
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Article
Open AccessThorium anomaly on the lunar surface and its indicative meaning
The Moon has been divided into three terranes: Procellarum KREEP Terrane (PKT), Feldspathic Highland Terrane (FHT), and South Pole-Aitken Terrane (SPAT), using globally measured Th and FeO. Many lunar evolutio...
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Article
Enhancing the ignition and combustion performance of aluminum by surface modification: tannic acid and tea polyphenols
Aluminum has been long and widely used in propellants, thermite, and pyrotechnics. However, the commonly used micron aluminum has the problems of slow burning rate and incomplete release of chemical energy in ...
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Article
Unusual Ti minerals on the Moon produced by space weathering
Micrometeorite impacts are one of the main drivers of lunar space weathering and can alter the properties of lunar regolith. However, the details of such processes are not well understood yet. We used transmis...
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Article
Aluminum particle agglomeration mechanism and microscopic combustion characteristics of NEPE propellants
Since solid propellants can significantly increase the mobility, load, and range of missile weapons and equipment when used as a power source, energy performance is always the primary focus of solid propulsion...
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Article
Study on the effect of potassium compound on the combustion characteristics of HTPB composite solid propellant
To investigate the effect of potassium compound on the combustion characteristics of hydroxyl-terminated polybutadiene (HTPB) composite solid propellants. Potassium compound were added to the HTPB propellants ...
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Article
Research Review on Water Inrush Mechanism and Failure Criterion of Rock Mass in Deep Mines
For underground deep mines, mining activities often cause mining disasters such as rock burst, roof fall and water inrush. Especially for underwater mines in the fault zone, surrounding rock instability and wa...
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Article
Open AccessGeospatial Structure and Evolution Analysis of National Terrestrial Adjacency Network Based on Complex Network
The first law of geography is one of the most important concepts in geographical analysis, revealing the significant role of spatial proximity. At present, some current international relation studies or geogra...
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Article
Does SW China have Carlin-type gold deposits? A micro- to atomic-scale perspective
Actively mined Carlin-type gold provinces are only found in Nevada, USA, and SW China. Herein, we combined nanoscale secondary ion mass spectrometry and atom probe tomography to characterize the distribution o...
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Article
Structural Control of the Getang Carlin-Type Gold Deposit in Southwest China
The Getang is a representative Carlin-type gold deposit in Southwest China. It has a proven reserve of about 30 tonnes at an average grade of 5.1 g/t Au. The orebodies occur as strat-abound lenses, and are str...
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Article
Open AccessLunar rock investigation and tri-aspect characterization of lunar farside regolith by a digital twin
Yutu-2 rover conducted an exciting expedition on the 41st lunar day to investigate a fin-shaped rock at Longji site (45.44°S, 177.56°E) by extending its locomotion margin on perilous peaks. The varied locomoti...
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Article
Scientific Objectives and Suggestions on Landing Site Selection of Manned Lunar Exploration Engineering
Focusing on cutting-edge scientific issues related to lunar exploration and applications, 9 overarching goals and 38 specific objectives for China's manned lunar exploration program have been proposed. Leverag...
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Article
Open AccessMalignancy in the Upadacitinib Clinical Trials for Rheumatoid Arthritis, Psoriatic Arthritis, Ankylosing Spondylitis, and Non-radiographic Axial Spondyloarthritis
This article aims to describe malignancies in patients with rheumatoid arthritis (RA), psoriatic arthritis (PsA), ankylosing spondylitis (AS), or non-radiographic axial spondyloarthritis (nr-axSpA) treated wit...
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Article
A lunar time scale from the perspective of the Moon’s dynamic evolution
A geologic time scale is a chronological system that separates the geological strata of a planetary body into different units in temporal sequence and shows its progressive evolution. The time scale of the Moo...
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Article
Hydrothermal apatite as a robust U–Th–Pb chronometer for the Carlin-type gold deposits in the Youjiang basin, SW China
The formation of Carlin-type gold deposits is poorly constrained, mainly due to the lack of accurate ages for gold mineralization. The Youjiang basin, SW China, represents the world’s second-largest Carlin-typ...
