Air pollution caused by Atmospheric Particulate Matter (APM) and its impacts have become one of the most important challenges for public health and environmental quality in China since 2000s. Here we report a study of heavy metal pollution in atmospheric deposition in Xi'an city. Dustfall samples were...

Using ICP-MS to detect Pb in the multi-phase mediumin the artificial reef .The results showed that: Pb of sediment is varied from0.138~0.470mg/Kg, mean0.273±0.106mg/Kg,The sediment distribution of Pb decreased in the order: lower> middle> upper layer in each station. Risk evaluation showed that potential...

The iron-steel industry is a resource and energy intensive industry and results to abundant GHG emissions because of a mass of fossil fuel consumption. In recent years, air quality in North China becomes worse and worse. In order to analyze the GHG emissions of the iron-steel industry, we made the survey...

Using Inductively coupled plasma mass spectrometry to detect Cd in benthos the artificial reef .The results showed that: Cd of benthos is varied from of 0.011-0.541 g/L, mean 0.188 ± 0.220 g/L. The distribution of Cd decreased in the order: gonads> gills> muscle in different tissues. The enrichment regularity...

Liquefaction has caused significant failures and represents a significant problem for the community and geotechnical engineering designers. The survey in the Chengdao sea of Yellow River Delta showed the presence of a large number of pits, geological disasters gullies, landslides, residual body and buried...

On the basis of field coastline investigation and high-resolution satellite images, an ESI database was established for Dapeng Bay and shorelines around it in Shenzhen by applying the Marine Oil-spill Emergency Response Decision Support and Dispatch Command System in this paper. An oil-spill shoreline...

To treat high free fatty acid feedstock in biodiesel production, the reduction of free fatty acid by esterification in continuous reactive distillation column was investigated. In this work, ethanol and crude palm oil (CPO) which the molar ratio of ethanol to oil was 8:1 were selected as reactants with...

Microwave drying is a dehydration process that is often used to preserve a food or material. In this study, sea bass leathers were dried by microwave technique. In order to improve the productivity, the microwave energy was applied to decrease the drying time. The sea bass leathers were dried to the...

The Coordination Planning of distribution network with distributed generation and energy storage is a hot research topic at home and abroad. This paper proposes a multi objective programming model with minimum investment cost and minimum annual operating cost as the objective function; the uncertainty...

This paper presents the series of shaking table tests performed on a new electricity-generating Tuned Mass Damper (TMD) called to as Tuned Mass Piezo-Damper (TMPD), which intends to harvest electric power using the vibrational energy of the structure on which it is attached. The tests were conducted...

This paper mainly focuses on the stability of predator-prey model, in which Allee effect is exerted on preys, people's capture of predators and preys in the system, and the demonstration of positive equilibrium point's existence and stability with the help of Routh-Hurwitz stability discriminance. Combining...

The rail transit is playing an important role in solving ground traffic congestion, guiding urban space layout and improving effectiveness of land using. The public are paying more and more attention to its social influences and environmental problems in construction and operation stages. This paper...

We consider the problem of the determination of the radio wave attenuation factor. We show that the attenuation factor can be used for the information leakage detecting due to the side electromagnetic radiation of information facilities. We illustrate the thematic examples of the experimental determination...

In this paper, we describe the work on measuring flow distribution down-stream of a 90 elbow, and on improving the flow to satisfy installation of a flow meter. In the sudden changed flow channel, flow velocity distribution is very irregular. Both asymmetry and swirl exist, which cause severe error in...