Formation and dielectric properties of Mn-Doped BSTN composite ceramics

Zhou, Zhen; Cheng, Xin

doi:10.1007/s11595-010-1001-3

Cited by 4 publications

(5 citation statements)

References 5 publications

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“…Firstly, obtain sensory stimulations from external organs (eye, nose, ear, etc), and then get a result from brain processing, which varies from person to person. Hence, actually sensory properties of material are a combination of engineering properties or physical properties and subjective reactions and a direct feeling of human organs, which differ from the understanding of material properties measured by instruments [3].…”

Section: Materials and Sensory Propertiesmentioning

confidence: 96%

Research on the Aesthetic Applications of Art Design Materials

Chen

2012

AMM

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The artistic expressions of materials in art design activities are increasingly becoming a factor that can not be ignored. This paper analyzes the importance of materials in art design creation and classifies art design materials, emphasizing the sensory properties of materials, such as visual, touch, hearing, smell and taste, etc. Then the paper discusses the aesthetic applications of materials in art design, so as to provide artists and designers with theoretical reference and basis for reasonable choice in art design creation.

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Section: Materials and Sensory Propertiesmentioning

confidence: 96%

Research on the Aesthetic Applications of Art Design Materials

Chen

2012

AMM

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“…Luo and Jiang 15 used the classic SIR model to establish the technology diffusion model, and to study the general rules of technology diffusion in the enterprise. Zhou 16 analyzed the process of employee turnover panic contagion, and disclosed the behavior regularities and contagion by constructing a dynamic model. Ialongo et al 17 demonstrated that peer contagion is of both theoretical and pragmatic interest, because the design of guiding programs that aim to weaken the aggressive environment effects required a better understanding of the dynamics of aggressive behavior spreading.…”

Section: Literature Reviewmentioning

confidence: 99%

USEIRS model for the contagion of individual aggressive behavior under emergencies

et al. 2012

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Individual aggressive behavior under emergencies is contagious, and often leads to collective aggressive behavior. In this paper, we apply the epidemic model to investigate the contagion of individual aggressive behavior under emergencies, extending the SEIRS (Susceptible–Exposed–Infected–Recovered–Susceptible) model by adding a new group of people – uninducible individuals. Thus, a new dynamic model USEIRS (Uninducible–Susceptible–Exposed–Infected–Recovered–Susceptible) is developed. The threshold of individual aggressive behavior contagion is deduced from the USEIRS model through the analysis of the eliminating and prevailing stabilities and equilibrium of aggressive behavior contagion. The numerical solutions of the USEIRS model show that a higher number of initial uninducible individuals can reduce the number of people with aggressive behavior. However, the decrease in the number of aggressive individuals will be insignificant if the uninducible individuals have little influence on the public. A higher uninducible rate can reduce the number of individuals with aggressive behavior. However, some people will still inevitably behave aggressively at the beginning. The effect of higher uninducible rate has an accelerating feature, which becomes more obvious with the development of emergency. Providing information and education to increase the uninducible population, or more communication between experts, government officials and the general public to increase the uninducible rate are strategies for reducing individual aggressive behavior.

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“…The results showed that the spindle‐shaped ultrafine lanthanum oxide powder with good dispersibility and a particle size range of 0.5 μm could be obtained under the conditions of 0.1 mol · L −1 of raw material concentration, 4% PEG4000, 1000 r · min −1 of propeller speed, and 30 min of reaction at 30°C. Zhou and Cheng [ 30 ] used polyethylene glycol (PEG) as dispersant to prepare γ ‐Al 2 O 3 in submerged circulation impinging stream reactor with aluminum nitrate and ammonium bicarbonate. Under the conditions of a feed ratio of 6:1, feed time of 30 min, reaction time of 1 h, washing water and ethanol volume ratio of 1:1, the average particle size of γ ‐Al 2 O 3 was 30~40 nm and the yield was 98.22%.…”

Section: Introductionmentioning

confidence: 99%

Preparation of ferric oxide powders by ultrasonic‐assisted impinging stream reaction

Zhang

Dong

et al. 2022

Can J Chem Eng

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In this paper, Fe 3 O 4 powder was prepared by the chemical precipitation method using impinging stream technology. The influences of feed flow rate, L/D, reactant concentration, ratio of iron ion concentration, reaction temperature, and impact time on the size and distribution of particles were investigated by the orthogonal experiment method. The microstructure and morphology of Fe 3 O 4 powders were characterized by scanning electron microscopy, X-ray diffractometer, and granulometer. The results showed that when ratio of iron ion concentration c(Fe 2+ ):c(Fe 3+ ) = 0.75, reactant concentration c (Fe 3+ ) = 0.4 mol Á L À1 , feed flow rate Q = 800 L Á h À1 , L/D = 3, reaction temperature T = 20 C, impact time t = 50 min, the prepared Fe 3 O 4 had an average particle size of 1.815 μm and the most uniform distribution. The influence of ultrasonic enhancement on the mixing process and powder preparation in an impinging stream reactor was investigated. The size and distribution of the powders were significantly affected by ultrasonic enhancement. With the increase in ultrasonic power, the particle size of the powders decreased and the distribution became narrower. The particle size was reduced by 68.78%, and the particle distribution range was narrowed by 84.34% under ultrasound enhancement. This study promised the effective utilization of ultrasonic cavitation in the optimization of experimental equipment and the preparation of ultrafine powder, which provides a basis for process optimization of powder preparation.

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Formation and dielectric properties of Mn-Doped BSTN composite ceramics

Cited by 4 publications

References 5 publications

Research on the Aesthetic Applications of Art Design Materials

Research on the Aesthetic Applications of Art Design Materials

USEIRS model for the contagion of individual aggressive behavior under emergencies

Preparation of ferric oxide powders by ultrasonic‐assisted impinging stream reaction

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