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Researches about the separation process of valuable metals for nickel-cobalt ore bio-leaching solution had already been continuously studied, while studies about its thermodynamic properties has not been carries out. This paper conducted research about thermodynamic properties including conductivity,...

Researchers propose and demonstrate Sodium Zinc Molybdenum Tellurite glasses (Na2O-ZnO-MoO3-TeO2 or NZMT) as suitable hosts for rare earth ion thulium (Tm3+) operating at 1.47 mm wavelength. The density, the refractive indices, the optical absorption have been measured. The Judd-Ofelt intensity parameters...

Urban growth and the development of urban plans make cities grow and substantially alter, in relatively short time periods, their land covers and land uses (LULC). To take control of this urban growth, it is im-portant to create and update the LULC database. In this work, a method to automatically extract...

In a dual-drum shearer, the drum's height is mainly adjusted by a height-adjustment hydraulic system. However, the hydraulic system is prone to failures, since oil is likely to leak induced by the abrasions of key parts. In the present work, based on the analysis of system failures and the requirements...

Mirco-fibrillated cellulose (MFC) aerogel was prepared by adding chitosan as crosslinker. The MFC-chitosan aerogel was used as heavy metal ions absorbent. The results showed that the aerogel had good absorption capacity of over 200mg/g for all 4 kinds of heavy metal ions, Cd2+,Zn2+,Pb2+ and Cr6+ in the...

As the network users increasing quickly, tourism website users’ reviews are be-coming more and more extensive and comprehensive with their demanding more and more individual. To cope with these changes on tourism website chal-lenges, it is necessary to improve values of tourism website. The writer analyzed...

Mirco-fibrillated cellulose (MFC) aerogel was reinforced by chitosan. The reinforced MFC aerogel was used as heavy metal ions absorbent. The results showed that the aerogel had good absorption capacity of over 200mg/g for all 4 kinds of heavy metal ions, Cd2+,Zn2+,Pb2+ and Cr6+ in the initial concentration...

Chongce ice core, drilled from West Kunlun Mountain, 6350 meters high, provides a unique opportunity to obtain the past atmospheric environmental information. In this paper, the composition and concentration of ions, ions sources in Chongce ice core were analyzed, and the ions variation during last century...

Magnetic micro-fibrillated cellulose(MFC) aerogel used as heavy metal ions absorbent was researched in the paper. It was expressed great separation capacity. The absorbent had little effect on contact time in 20-120min range. But it was dependent on ion initial concentration. 4 kinds of ions removal...

Global corporate strategies are changing due to the demand for technology innovation and environmentally friendly business practices. Intelligent, clean, and eco-friendly technology are leading this transformation. Businesses may improve operational efficiency, boost economic development, and lessen...

With the strong support of the government, China's new energy automotive industry has developed rapidly, and the quantity of the waste EV batteries have been produced. From its huge quantity, environmental protection and resource regeneration point of view, waste lithium-ion batteries have a high recovery...

Through static tests, this thesis studies the ability of activated alumina for absorbing the fluoride ion in fluorine-containing bitter salty water at Fuxin area, and fluoride ion in the regenerated liquid formed in a way that the original water sample is treated in a regeneration way with aluminum sulfate...

Objective:To purify and characterize the allergen extracted from fresh Amaranthus stamen. Methods:Extraction of fresh Amaranthus stamen was prepared and analyzed by SDS-PAGE. The protein bands were visualized by staining the gel with Coomassis blue and analyzed by Western-blotting with serum from allergic...

Study aim explore application democracy deliberative on learning cooperative subject history. Learning cooperative Not yet can change perception negative participant educate that learning history boring. Learn-ing cooperative not yet push participant educate Study active. Accentuation study on discussion,...

Acute myeloid leukemia (AML) is a malignant tumor that begins in the bone marrow and swiftly spreads throughout the body. Low erythrocyte counts, high leukocyte counts, and low thrombocyte counts are common symptoms of AML patients. Chromosomal abnormalities, cytogenetic deficiencies, and gene mutations...

Co doped lithiated vanadium oxides LiV3-xCoxO8 as promising cathode material for lithium ion batteries are prepared with a hydrothermal process. The crystalline phase are characterised by powder X-ray diffraction and the morphology are observed by scanning electron microscope. The electrochemical properties...

The layered cathode materials LiNixCo1-2xMnxO2(x=1/11, 2/11, 3/11, 4/11, 5/11) powders for lithium-ion batteries were synthesized by metal acetate decomposition technique. The evolution of the structural properties and electrochemical performances of LiNixCo1-2xMnxO2 with Co content decreased were investigated...

We report on the visible-light responsive Bi-doped In2O3 nanospheres, which were synthesized via a simple solvothermal reaction between Bi(NO3)3•5H2O and In(NO3)3•4.5H2O in the presence of absolute ethanol and ethylene glycol by adding urea and annealing it at 400 0C. The effects of experimental parameters...

Anion-exchange membrane composed of chitosan (CS) and poly[(3-methyl-1-vinylimidazolium methyl sulfate)-co-(1-vinylcaprolactam)-co-(1- vinylpyrrolidone)] (PMVMS-co-VC-co-VP) was prepared by applying double cross-linking technique for alkaline membrane fuel cell (AMFC). Having tested the ion conductivity...

3D virtual environment such as Second Life is very popular to assist trainees’ learning. However, the effects of learning performance are very in different studies. Learning performance is the most im-portant factor to decide how successful instruction is. This study not only uses task-technology fit...

The economic development of a country or a region is inseparable from human capital, while higher education is an im-portant factor to ensure that the quantity and quality of human capital, in other words, higher education provides human indemnification for the economic devel-opment. Conversely speaking,...

During the last decade, the sensors based on chitosan had been an active research topic due to its great practical value. The sensors had showed excellent superiority, low cost, ease of fabrication, fast response time and nice repeatability. This review discusses the preparation and application of sensors...

With the rapid popularization of portable electronic devices (such as smartphones and tablets) and the accelerating adoption of electric vehicles globally, the demand for fast, efficient, and stable charging solutions has become increasingly urgent. This paper focuses on analyzing the key hardware factors...

At present, most of the researches on how might ICT impact well-being are focused on specific psychological result. This paper discusses how peer and parental loneliness might be affected by ICT mediated social network with the perspective of networked individualism and social captital theory. In order...

The open circuit voltage (OCV) of lithium ion battery is a key parameter for hybrid electric vehicle (HEV) to estimate the state-of-charge (SoC). And its instability will lead to big error of SoC estimation and have difficulty in implementing the dynamic control strategy of HEV, especially when the lithium...

The consistency problem of Li-ion battery pack often affects its service life during the usage. To research the equalization techniques of Li-ion batteries can reduce the consistency problem. This paper presented a non-dissipative balancing method using the pulse transformer to drive a couple of MOSFETs...

Corroded area rate, weight loss rate and the macro cell corrosion of rebars in concrete subjected to concentration difference of chloride ion was investigated. In order to evaluate the corrosion mechanism of rebars, the corrosion behaviour of rebars in concrete under different chloride concentration...

A back-gated structure for ion-sensitive field-effect transistor (ISFET) has been proposed. The characteristics of the device based on this proposed structure and with high-mobility channel material have been simulated and analyzed by Silvaco TCAD. The modeling and simulation methodologies have been...

The article examines the algorithm for estimation of the risks of small business financing, based on the method of median distributions in the formation of the en-terprise's investment strategy with subsequent vector optimization of local evalua-tion criteria. The choice of the optimal method for estimation...

One of the leading causes of death is caused by accidents, which frequently lead to delayed emergency services and evidence gathering for investigation. In this proposed paper uses embedded control technologies and the Internet of Things (IOT) in collision detection and drone based evidence capture system...

Au/HZSM-5 catalysts were prepared by negative deposition-precipitation method in this paper. XRD/Uv-vis/TEM/NH3-TPD/FT-IR technologies were used to analysis the characterization of prepared catalysts, and the evaluation of the catalysts was carried out by methane adsorption experiment. XRD and TEM showed...

This paper studies the impact of generative artificial intelligence on educational innovation, and studies the instructional design innovation of 13 full-time teachers of economics major in a university. Generative AI assisted teachers to form new teaching cases increased by 87%, updated teaching content...

Samarium ion substituted magnesium of Ni0.5Zn0.5SmxFe2-xO4 spinel ferrite powders have been prepared by a sol-gel auto-combustion method. XRD results indicate that the production of a single cubic phase of ferrites. Some particles are agglomerated due to the presence of magnetic interactions among particles....

The rapid development of information technologies has created suitable environment for construction of eLearning systems. The pivotal point of those systems lies in web technologies. Due to those technologies eLearning leads to a number of im- provements in: delivery, access, distributed author- ity,...

The automotive suspension system is crucial for vehicle comfort, handling, and safety across diverse road conditions. Its design and performance directly influence the driving experience and vehicle durability. With the automotive industry’s continuous evolution, assessing the fatigue life of suspension...

Order to explore the effective ways and methods of improving the tribological properties of polytetrafluoroethylene (PTFE), energy transfer were optimized with using the SRIM software. when different kinds of metal ion sources (Al, Gr, Ni, Ag), implantation energies (20, 25, 30, 40 KeV) , and different...

Based on the multimodal discourse analysis theory and constructivist learning theory, the paper embarks from the English teaching of ESP (English for specific purposes) professional and comes to the conclusion that IM ( instant messaging) software is not only the physical tool of interactive communication,but...

“Experimental Engineering” is an im-portant course of mechanical engineering in the University of Iowa. The purpose of this course is to help student improve pro-ficiencies to: 1) Design, assembling, and conduct an experiment; 2) Data analysis and results presentation. Authors were inspirited by the...

( )-Epigallocatechin-3-gallate (EGCG), a major compound of tea polyphenols it has exhibited an antioxidant activity in previous studies. Cu2+ can be a center ion in complex reaction with EGCG and affect its antioxidant capacity as well. To investigate the effects on antioxidation of EGCG after add Cu2+...

Chlorination disinfection is a standard disinfection method for rural drinking water. Low residual chlorine can lead to the proliferation of microorganisms, while high residual chlorine threatens human health. To accurately determine the residual chlorine concentration, this study explores optimizing...

Optical fiber sensing technology has been shown to advantage in physical testing. In terms of chemical content and biomass detection, its specificity and flexibility cannot meet the demand of the rapid development of biology, chemistry, due to the material, structure and process of bondage. At the same...

The solar wind has a strong influence primarily on the outer shells of the Earth (the magnetosphere and the ionosphere). As a result, it affects the potential difference between the ionosphere and the Earth's surface as well. The paper presents the results of the performed analysis of the relationships...

The ZnMn2O4 nanoplates were successfully prepared by a hydrothermal method and then a annealing process. The electrochemical properties of the ZnMn2O4 nanoplates as an anode material a reinvestigated for lithium ion batteries. The results shown that the ZnMn2O4 nanoplates exhibited a larger initial of...

In this study, the flocculation and sedimentation performance of thermophilic activated sludge with single and multiple dosing of trivalent aluminum (Al3+) were studied. The thermophilic activated sludge samples were cultivated in sequencing batch reactors at 55 °C. The dosages of Al3+ were 0.125, 0.5,...

Recently many portable devices need electrical energy which instant and high capacity. Lithium-ion battery is one of very popular as mobile electrical energy source for them. This study focused to elaborate the electrical performances of reduced graphene. They were electrical conductivity, cycle performance...

The measuring and monitoring of the support reaction of the aerial work platform is an important method to prevent its overturn. In view of the fact that the turntable is in a rotational movement during the whole process, it is easy to cause the tangling of the signal cable if using the traditional wired...

This research explores the relationship between the application of Leadership Style (LS), Job Satisfaction (JS), and Organizational Culture (OC) at PT Kanitra Mitra Jayautama and its impact on Employee Performance (EP). By utilizing Structural Equation Modeling (SEM) and distributing questionnaires to...

Intensity-modulation and direct-detection (IM/DD) orthogonal frequency division multiplexing (OFDM) systems have gained great attentions from researchers. However, the interaction between the chirp of direct modulation laser and fiber dispersion causes intermixing interferences among sub-carriers. Therefore,...

The charging characteristic of micro-sized particulates immersed into low temperature argon plasma was studied via particle simulation employing Particle-in-Cell (PIC) and Monte-Carlo (MC) hybrid method. The net charge of a dust particle was determined by counting the number of electrons and ions reached...

Ag/AgCl/Ag3PO4 plasmonic nanocatalysts were prepared through the ion exchange and subsequently light-induced process. The obtained samples showed a high photodegradation capacity for prometryn, bentazone and metribuzin under visible light irradiation. Effects of reduction time (RT) and Cl/P in the synthesis...