-
Article
Open AccessDifferent effects of inspiratory duration and expiratory duration on heart rate deceleration capacity and heart rate asymmetry
Low values of heart rate deceleration capacity (DC) and heart rate asymmetry (HRA) are associated with cardiovascular risks. Slow respiration has been proven to enhance the magnitudes of these indexes, but ind...
-
Chapter and Conference Paper
The Synergistic Extraction Kinetics of Aluminum and Silicon from High-Alumina Fly Ash by Carbochlorination
In light of the high alumina content (nearly 50%) in , high-alumina fly ash is considered a significant and promising alternative resource . Towards the prevailing issues in the current process of extracting...
-
Article
Layout design of a mixed-flow production line based on processing energy consumption and buffer configuration
Green manufacturing is a growing trend, and an effective layout design method for production lines can reduce resource wastage in processing. This study focuses on existing problems such as low equipment utili...
-
Article
Adsorption of Au(III) ions on xanthated crosslinked chitosan resin in hydrochloric acid medium
Xanthated crosslinked chitosan (XCCS) resin prepared under microwave irradiation were used for adsorbing Au(III) ions in hydrochloric acid medium. The influence of pH and temperature on the adsorption capacity...
-
Article
Titanium Extraction from Fly Ash by Carbochlorination
In terms of secondary resource recovery and environmental impact, fly ash is attracting a great deal of attention in China. This study aimed to investigate the carbochlorination process of titanium oxide to re...
-
Article
Kinetics of Magnesium and Calcium Extraction from Fly Ash by Carbochlorination
In the metal extraction process, recovery of valuable elements from fly ash can have economic benefits and maximize its utilization. Extraction of Mg and Ca from fly ash by the carbochlorination method was stu...
-
Article
Carbochlorination Kinetics of High-Alumina Fly Ash
The carbochlorination kinetics of high-alumina fly ash was investigated. The influence of reaction temperature, time, carbon content, pellet diameter, and Cl2 flow rate on the reaction was analyzed. The morpholo...
-
Article
An Alternative Technique for the Extraction of Valuable Elements from Fly Ash: the Carbochlorination Method
The extraction of valuable elements from high-alumina fly ash was carried out using two methods, the carbochlorination method and the carbothermic method. The carbochlorination experiments were conducted to in...
-
Article
Investigation of the Carbochlorination Mechanism of Mullite from Fly Ash
In this study, the reaction mechanism of mullite carbochlorination was investigated to determine its potential in the use of high-alumina fly ash. Thermodynamic analysis of carbochlorination reduction was cond...
-
Article
A new method for direct synthesis of Li2CO3 powders by membrane electrolysis
A new method for the direct synthesis of Li2CO3 powders by membrane electrolysis from LiCl solution is demonstrated in this paper, where a novel electrolysis system combining ventilation, agitation and loop filtr...
-
Article
Hydrothermal conversion of Ti-containing minerals in system of Na2O–Al2O3–SiO2–CaO–TiO2–H2O
Titanium has a great effect on the digestion of bauxite in the Bayer process because it reacts readily at high temperatures in alkaline sodium aluminate solution. Under this consideration, the hydrothermal con...
-
Article
Recovery of alkali and alumina from Bayer red mud by the calcification–carbonation method
Red mud produced in the Bayer process is a hazardous solid waste because of its high alkalinity; however, it is rich in valuable components such as titanium, iron, and aluminum. In this study, a novel calcific...
-
Chapter
Effects of Roasting Pretreatment in Intense Magnetic Field on Digestion Performance of Diasporic Bauxite
This paper investigates the changes of phase and apparent morphology under the combined effects of an intense magnetic field and temperature field and the effect law of different roasting conditions on the dig...
-
Article
Direct spray pyrolysis of aluminum chloride solution for alumina preparation
The effects of pyrolysis mode and pyrolysis parameters on Cl content in alumina were investigated, and the alumina products were characterized by XRD, SEM and ASAP. The experimental results indicate that the s...
-
Article
Pedicle screw piercer with warning device - A technique to increase accuracy of pedicle screw placement
Pedicle screw fixation has achieved significant popularity amongst spinal surgeons for both single and multilevel spinal fusion. Suboptimal placements of pedicle screws may lead to neurological and vascular co...
-
Article
High-Temperature Jet Spray Reactor for the Preparation of Rare Earth Oxides by Pyrolysis: Computer Simulation
A new type of high-temperature jet spray pyrolysis (SP) reactor is investigated in this article as part of studies on the preparation of rare earth oxides at Northeastern University (NEU), Shenyang, China. The...
-
Article
Open AccessAltered regional homogeneity in experimentally induced low back pain: a resting-state fMRI study
Functional imaging studies have indicated that patients with low back pain can have significant reductions in cerebral cortex grey matter. However, the mechanisms governing the nociceptive pathways in the huma...
-
Article
Effects of intense magnetic field on digestion and settling performances of bauxite
The effects of magnetic field intensity, roasting temperature and roasting time on digestion rate and settling performance of bauxite with different iron contents were investigated systematically. The results ...
-
Article
Upregulation of the Long Non-coding RNA PlncRNA-1 Promotes Esophageal Squamous Carcinoma Cell Proliferation and Correlates with Advanced Clinical Stage
Recent studies revealed that long noncoding RNAs (lncRNAs) play critical regulatory roles in cancer biology. PlncRNA-1 is one of lncRNAs that is associated with cell apoptosis and proliferation of prostate can...
-
Article
Simulation of stray grain formation during unidirectional solidification of IN738LC superalloy
The influence of casting parameters on stray grain formation of a unidirectionally solidified superalloy IN738LC casting with three platforms was investigated by using a 3D cellular automaton-finite element (C...
