Eleven parameters such as pH, dissolved oxygen (DO), permanganate index (CODMn), ammonia nitrogen(NH3-N), total phosphorus (TP), total nitrogen (TN), fluoride(F-, cadmium (Cd), lead(Pb), petroleum and fecal coliform were selected to analyze the main pollution factors and the temporal and spatial distribution...

This study aimed to use water absorbance in the range of 200-900 nm to predict the turbidity and chlorophyll a concentration (Chl-a) in urban water. Six kinds of water samples were artificially prepared in this study: spirulina samples (S), chlorella vulgaris samples (C), turbidity samples (T), mixed...

Environmental policy reform is still in a period of rapid advancement. This article takes Hubei Province as an example, according to the conditions of the province's percentage of fine weather, from the perspectives of GDP, population, exhaust emissions, number of environmental protection agencies, etc.,and...

The mental health of seafarers has an important influence on the safety of ships. Eliminating and controlling the bad psychological factors of seafarers is of great significance to the safety of navigation. In order to reduce the occurrence of marine accidents, create a safe and harmonious nautical atmosphere...

This is complex topography, fragile ecosystems and difficult to land remediation in hilly hollow village. In this paper, mainly through the establishment and analysis of the information promotion system of hollow village remediation in hilly areas to illustrate the four technologies integration of hilly...

Environmental protection has always been the focus of our policy. Reducing carbon emissions has already been a common view among countries. China has also launched pilot projects in Shanghai, Beijing and Shenzhen. The implementation of carbon emissions trading mechanism needs to consider many factors....

The erosion of heating surfaces due to chloride release from direct rice husk combustion was investigated. Relationships between chloride release from rice-husk combustion and different influence factors were studied, and chloride release models were established. A gas-state chloride absorption testing...

This paper based on factor analysis, found that the total power of agricultural machinery is the main factor affecting the development of agricultural industrialization. Different stages of agricultural industrialization in Hunan are inconsistent. In order to promote the development of agricultural industrialization,...

To achieve the green backfill of an abandoned open pit mine with a large difference chute process system, Fushun West open pit mine is used as the research subject. Based on the theory of gas-solid two-phase flow and the characteristics of large difference chutes, FLUENT numerical simulation software...

Root exudates play a major role in the mobilization of sparingly soluble nutrients in the rhizosphere. Purple soils have poor fertility as a result of soil erosion and certain soil characteristics. In this study, we examined how root exudates of hairy vetch (Vicia villosa) affected soil-available nutrients...

In order to explore the profound significance of Xi Jinping’s ecological thoughts, the article takes Xi Jinping’s ecological thoughts as the research object, uses literature analysis, comparative analysis and other methods to find origins from Chinese traditional ecological thoughts, Marxist ecological...

It is a hard task that the alleviating poverty work should be finished with good quality on time during the new process of ecological civilization in China. To achieve this goal, the method of agricultural ecological capital operation can be an effective way, as it can use regional ecological resources...

This paper comprehensively adopted the Geographic Information System (GIS) and Participatory Geographical Information System (PGIS) technologies to construct the Jiuzhaigou Nature Reserve's landscape service index system and analyzed the landscape service spatial characteristics. The results show that...

The desulfurization tower is the main equipment in flue gas desulfurization system for ship. The traditional spray scrubber tower has the disadvantages of large volume, high energy consumption, difficult installation etc. This paper presents a new desulfurization tower by cyclone principle, and using...

In this paper, glycyrrhizic acid was separated using ethylene oxide / propylene oxide copolymer (EO60PO40) and K2HPO4 aqueous two-phase systems (ATPS). The influence of the content of EO60PO40 and K2HPO4 and temperature was studied. The results showed that the optimal separation conditions were: 30%...

There are many environmental pollution factors with producing electric energy in thermal power plants. Environmental protection is a prerequisite for the whole production, large quantities of resources should be invested into environmental protection for preventing environmental-pollution accidents....

The electric demulsification of oil-in-water (O/W) emulsion was investigated under the application of direct current pulsed electric field (DCPEF). The oil droplet movement behavior was observed by CCD camera and image acquisition and analysis system. And it was found that the DCPEF had an effect on...

Fe-Ferron method was used to investigate the role of Fe(Ⅲ) speciation in the polyferric sulfate (PFS) during the process of coagulation–flocculation with surface water. The Feb components are dominant with a broad pH variation during the coagulation. The humic acid (HA) removal is found directly related...

The water quality of Panjiakou Reservoir is greatly affected by the upstream water quality. A large number of waste water containing nitrogen and phosphorus enter the Panjiakou Reservoir through the main stream of Luanhe River, resulting in the increasing eutrophication.Four sand and stone filter dams...

It is key to assess quantitatively the transportation risks of hazardous materials for optimal route. It’s difficult to analyze efficiently transportation risk involved the factors such as meteorological conditions, the underlying properties and sensitivity to harm. So the adjoint method is used to analyze...

Inversion of water components concentration of inland water body was hotspot and difficulty problem in water quality remote sensing. Based on the measured data of the concentrations of Chlorophyll-a in tropical islands waters area of China and the recent synchronous remote sensing image data, the inversion...

Suspended matter is an important indicator of water environment monitoring. As a model of tropical tourist island in China, the content of the suspended substance influences the development of marine tourism. In order to understand the distribution of suspended matter concentration in Wuzhizhou Island,...

Spur dikes spacing is an important consideration for spur dike of channel layout. It is of important engineering significance to reasonably determine the spacing of the spur dikes. It is found that the maximum scour depth of each spur dike is at the spur dike head. The scour depth of the first dam is...

We conducted a summer thermal environment test on a traditional folk house and a modern folk house in Banliang Village, south of Hunan. The result shows that the indoor temperature of the traditional folk house is 3℃ lower than that of the modern folk house. The temperature of the outdoor spaces, transitional...

The diameters of the microbubbles, which generate through gas-dissolving method, are determined by the factors such as gas components, structure of the releasers, dissolved gas pressures, and release angles, etc. The change tendencies of the diameters of the microbubbles with the dissolved gas pressures...

Seasonal variations in sensible heat flux (Hs), latent heat flux (LE), and carbon dioxide flux (Fc) during 2005 over an artificial rice wetland in the Liaohe Delta, Northeast China, were investigated using the eddy covariance (EC) technique. The results show that Hs is relatively larger (>200 W m–2)...

Recycled as-cast magnesium alloys were prepared by smelting method according to the nominal composition of AZ31 magnesium alloys. The structure and electrochemical properties of the recycled alloys were characterized and compared to those of the commercial as-cast AZ31 magnesium alloys. X-ray diffractometry...

This paper systematically analyzed the imbalance between economic development and ecological environmental protection in provinces of China. A coordination degree evaluation method based on comprehensive economic index and comprehensive environmental index has been established and used to assess the...

In this experiment, banana stems and leaves were used as the main raw materials to culture Pleurotus ostreatus, and the effects of different ratio of banana stems and leaves, bran and Tenebrio molitor feces on mycelial growth and protein content of Pleurotus ostreatus were discussed. The results showed...

In order to analyze the common people's understanding and altitude about kitchen waste related issues, 4 questionnaires with totally 55 questions were designed and investigated in Hangzhou during 2014 to 2016. Fourteen core questions summarized from the questionnaires, as well as the corresponding responsions...

Distribution line failure caused by violent typhoon is studied in the paper. Violent typhoon is always accompanied by wind, rain as well as even thunder and lightning. Distribution line failure is sorted in the paper. Distribution line failures are divided into two major categories of electrical failure...

To investigate the reduction of the COD of coking wastewater by electro-catalytic oxidation, the electro-catalytic oxidation pilot-scale experiment was carried out using the coking wastewater treated by A2/O and the coking wastewater treated by A2/O and fenton oxidation. And the modified electrode material...

[Purpose] The Nitrification inhibitor plays a significant role in mitigation of climate change, leaching of nitrate nitrogen and improvement of agricultural productivity and quality in greenhouses. Here we show a strong correlation between soil microbes and cucumber root systems according to our observation...

With the acceleration of people’s pace of life and the rapid development of economy, fast fashion brands swiftly attracts people’s attention with low price, multiple styles and small quantity, fully satisfying consumer demands. But as the increasing deterioration of mankind’s living environment, especially...

The electrochemical behavior of Maca adenine on the modified electrode of o-phenylenediamine/β-cyclodextrin/Ag-carbon nanotube was studied by cyclic voltammetry. The results show that the electrode modified by 7mg of carbon nanotubes is the best when the concentration of silver ions is 0.1mg/ml. The...

In this paper, the hydrothermal method was used to synthesis the Eu3+ ions activated BiPO4 powders. The characteristic of the BiPO4:xEu3+ samples were analyzed with different testing methods. XRD results show that Eu3+-doped BiPO4 samples presented a hexagonal structure, and with the increasing of Eu3+...