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Article
Study on the Calculation Method of Vertical Displacement of Pipeline Induced by Tunnel Undercrossing Multiple Pipelines
In order to investigate the vertical displacement of the pipeline induced by the interaction of pipelines when a tunnel undercrossing multiple pipelines, the energy variational control equation is firstly esta...
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Article
Open AccessInfluence of calcareous nodules content on scaling effect in shear strength of cohesive soil containing calcareous nodules
The difference in the shear strength and other characteristics of the cohesive soil containing calcareous nodules (CSCN) between samples with large size and corresponding scaling size, which is called scaling ...
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Article
Preparation of CaB6 powder via calciothermic reduction of boron carbide
The method of calciothermic reduction of B4C was proposed for preparing CaB6. The phase transition and morphology evolution during the reaction were investigated in detail. The experimental results reveal that Ca...
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Chapter and Conference Paper
Spacecraft Attitude Maneuver Using Fast Terminal Sliding Mode Control Based on Variable Exponential Reaching Law
As a typical multi-input and multi-output nonlinear system, spacecraft faces the challenges of rapid maneuvering at a large angle and can control rapidly as well as stably. However, there are several problems ...
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Article
Low-Temperature Synthesis of VB2 Nanopowders by a Molten-Salt-Assisted Borothermal Reduction Process
Vanadium diboride (VB2) powders with low oxygen content are prepared via a molten-salt-assisted borothermal reduction reaction at 1123 K to 1273 K (850 °C to 1000 °C) using V2O3 and boron powders as the raw mater...
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Article
Effect of NaCl on synthesis of ZrB2 by a borothermal reduction reaction of ZrO2
ZrB2 powders were synthesized via a borothermal reduction reaction of ZrO2 with the assistance of NaCl under a flowing Ar atmosphere. The optimal temperature and reaction time were 1223 K and 3 h, respectively. C...
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Article
Preparation of Vanadium Nitride by Magnesiothermic Reduction of V2O3 in Nitrogen Atmosphere
The development of a highly efficient and low-cost production process is instrumental for the wide application of vanadium nitride (VN). The strong affinity of vanadium with carbon and oxygen resulted in the s...
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Article
Preparation of High-Quality FeV55N Using Ammonia as a Reductant and Nitrogen Source
High-quality FeV55N has been prepared by using ammonia as a reductant and nitrogen source. The raw materials comprised ammonium vanadate and Fe2O3, which were first reduced and nitrided by ammonia to prepare FeV5...
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Article
Synthesis of High-Quality FeV55N Alloy by Carbonitrothermic Reduction of Vanadium Pentoxide–Ferric Oxide Mixture
High-quality FeV55N alloy was successfully prepared with a carbonitrothermic reduction method. The effects of the reaction temperature and C/O molar ratio on the oxygen, carbon, and nitrogen contents as well ...
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Article
A Novel Process to Synthesize High-Quality Ferrovanadium Nitride
In the present work, high-quality ferrovanadium nitride, which has a relative high nitrogen content and a low carbon content, has been prepared by roasting the mixture of vanadium pentoxide, carbon, and ferric...
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Article
Measured Settlement of Highways Improved by Lightweight Backfilling Without Road Closure
Excessive post-construction settlement is often found for highways built on soft soil, slowing driving speed and increasing the risk of traffic accidents. Increasing attention has been paid to lightweight back...
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Article
Field studies of a technique to mitigate ground settlement of operating highways
In the eastern coastal region of China, many operating highways built over soft ground are vulnerable to severe post-construction settlement. In this study, a technique using jet grouted piles is developed to ...
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Article
Electrical Conductivity and Electronic/Ionic Properties of TiO x -CaO-SiO2 Slags at Various Oxygen Potentials and Temperatures
The electrical conductivity of molten slags is an extremely important factor in the design of electric smelting furnaces. As a fundamental study on properties of the TiO x -beari...
