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Items from 1 to 12 out of 12 results

article

Non-isothermal thermogravimetric investigation on mutual effect between bituminite and anthracite in blends for blast furnace injection

Yun-fei Wu, Qing-hai Pang, Zhi-jun He, Teng-fei Song, more

Journal of Iron and Steel Research International > 2019 > 26 > 8 > 818-828

In order to clarify the mutual effect between bituminite and anthracite in blends during industrial combustion, the influence of particle size and heating rate as well as oxygen concentration in atmosphere was analyzed. The results of non-isothermal thermogravimetric analysis indicated that the combustion behavior of blends was of great difference though blends were prepared with the same volatile...

article

Research on influence of water content to the measurement of wear particle concentration in turbine oil online monitoring simulation

Kun Yang, Xinwei Sun, Xiong Zeng, Tong Wu

Wear > 2017 > 376-377 > PB > 1222-1226

Water pollution is one of the most susceptible pollution of turbine oil. Based on the testability of turbine oil's operating characteristics, which includes viscosity, density, dielectric constant, moisture and degree of wear particle contamination and so on, a turbine oil online monitoring simulation platform was designed. It is used to simulate the flow of turbine oil in an independent circulation...

chapter

Research on the benign interaction between onshore financial openness and offshore RMB market development

Sheng Zhen, Du Yulan

2016 13th International Conference on Service Systems and Service Management (ICSSSM) > 1 - 6

2016 13th International Conference on Service Systems and Service Management (ICSSSM)

The research on the causal relationship between onshore financial openness and offshore Renminbi markets development is not only an attempt to the research gap, but also practically significant to the internationalization of Renminbi. Based on the previous literature, this thesis firstly analyzes the interaction mechanisms from the theoretical level. Then, econometric empirical analysis is used for...

chapter

Impact of presence of water tree and microcavities on the electric field distribution in XLPE insulation

M. Meziani, A. Mekhaldi, M. Teguar

2015 4th International Conference on Electrical Engineering (ICEE) > 1 - 5

2015 4th International Conference on Electrical Engineering (ICEE)

The aim of this work is to investigate the influence of presence of water and air cavities close to the front of vented water tree growing from interior of semiconducting layer of power cable on the electric field distribution. For the determination of the electric field, a numerical method has been used under Comsol Multiphysics environnement. This paper shows that, the presence of water tree induce...

article

Effect of aniline on cadmium adsorption by sulfanilic acid-grafted magnetic graphene oxide sheets

Xin-jiang Hu, Yun-guo Liu, Guang-ming Zeng, Hui Wang, more

Journal of Colloid And Interface Science > 2014 > 426 > Complete > 213-220

Cd(II) has posed severe health risks worldwide. To remove this contaminant from aqueous solution, the sulfanilic acid-grafted magnetic graphene oxide sheets (MGOs/SA) were prepared and characterized. The mutual effects of Cd(II) and aniline adsorption on MGOs/SA were studied. The effects of operating parameters such as pH, ionic strength, contact time and temperature on the Cd(II) enrichment, as well...

article

Voltage distribution analysis and grading ring design for porcelain insulators on 750‐kV compact transmission lines

Tianxi Xie, Zongren Peng

IEEJ Transactions on Electrical and Electronic Engineering > 7 > 4 > 363 - 368

On a compact transmission line, there are three phases arranged in one tower window. They form an inverted triangle with a small air gap, having no shielding between each other. This characteristic results in mutual effects among the three phases, which cause higher voltages and electric field intensities on the porcelain insulators and fittings than the ordinary lines. In this paper, a three‐dimensional...

article

Analysis on Strength of Fractured Rock Mass under Seepage Pressure

Yuan Ping, Liu Yongbiao

IERI Procedia > 2012 > 1 > Complete > 101-109

According to the rapture mechanics, model of fractured rock mass under crevice water pressure is established to deduce the formula of stress intensity factor at the cracks tip under mutual effect of remote stress and seepage pressure by superposition principle based on which the mutual effect of adjacent cracks is further studied. The result shows that, the mutual effect of cracks have large effect...

chapter

Imbalance calibration of a digital beam forming array and the effect of mutual coupling on its steering

Hadi Aliakbarian, Ewald van der Westhuisen, Guy A. E. Vandenbosch, Vladimir Volskiy, more

2011 IEEE International Symposium on Antennas and Propagation (APSURSI) > 2461 - 2464

2011 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting

In this paper, a concept of an antenna with digital beam steering is presented. The design of each antenna element is first discussed and then the mutual effect between antenna elements is investigated. A new imbalance calibration formula was proposed to compensate RF impairments. The antenna prototype was fabricated and measured confirming the advantage of the proposed concept.

article

Multi-factor Analysis of Reflection from Granite Surfaces

Nai-zhuo ZHAO, Lei YAN, Yun-sheng ZHAO, Yun-feng LV, more

Journal of China University of Mining and Technology > 2007 > 17 > 2 > 255-257

Many earlier experiments have shown that reflection from rock surfaces depends upon surface roughness, incidence zenith angle, viewing zenith angle, incidence azimuth and viewing azimuth. However, no research exists showing the interaction effects of these variables. Using granite as a model surface, we have designed an orthogonal, two level test having seven factors. Analysis of variance shows that...

article

CHANGE OF PARADIGM IN ECONOMIC AND SOCIAL CO-ORDINATION

J. Fekete

Tarsadalomkutatas (Social Science Research) > 2007 > 25 > 2 > 181-206

The paper deals with one of the most burning issues of our age: with the future of the efficient management of society and of human civilisation. It juxtaposes burning problems. The paper discusses what the things are that we have to give up, and projects a possible alternative, so that we may have some perspective for tomorrow.

article

Controlled release of lidocaine hydrochloride from the surfactant-doped hybrid xerogels

Zhijian Wu, Hyeonwoo Joo, Tai Gyu Lee, Kangtaek Lee

Journal of Controlled Release > 2005 > 104 > 3 > 497-505

We investigate the controlled release of lidocaine hydrochloride from the doped silica-based xerogels. In the xerogel preparation, tetraethoxysilane (TEOS), methyltriethoxysilane (MTES), and propyltriethoxysilane (PTES) are used as precursors, and a nonionic surfactant Igepal CO 720 is used as a dopant. The experimental results suggest that the release of lidocaine hydrochloride can be easily controlled...

chapter

A two element phased array antenna for mobile handsets to reduce the mutual effect with the human head

R.A. Abd-Alhameed, N.J. McEwan, P.S. Excell, E.A. Abdulmula

IEE National Conference on Antennas and Propagation, > 291 - 294

IEE National Conference on Antennas and Propagation (IEE Conf. Publ. No.461)

A two-element phased antenna array mobile handset is investigated using the method of moments. The array is designed to provide a spatial null in the near field zone in the direction of the human head. The overall efficiency and azimuth coverage are improved and the peak specific absorption rate in the head can be reduced by at least 14 dB.

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