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Plant material and extracts preparation P. cocos, B. ochracea, P. lactiflora, A. dahurica were procured and identified by a professional pharmacist from local pharmacy in YanCheng city (Jiangsu, China).
The herb of lowest scavenging activity was P. cocos in water extract.
ME—methanol extract, EE—ethanol extract, WE—water extract.
ME—methanol extract, EE—ethanol extract, WE—water extract.
Dai, A comparative study on antioxidant activity of water and ethanol extracts of ten Chinese herbs.

The project concerns water-filtering, floating swimming pool, designed to filter the very river that it floats in through the walls of the pool.
Once the quality of water is improved, citizens will again use the Thames River.
(Figs. 7-8) A second area close to the Ministry of Foreign Affairs will be re-naturalized, thanks to a 300 m long filtering system to clean polluted water.
The awarding to the project of the two international prizes Lafarge Holcim Awards, Lafarge Holcim Gold Award for Europe (2011) and the Global Lafarge Holcim Bronze Award (2012), made the potential of the project clear to many more, thus amplifying its public debate. [15] In 2012, Edler architects, with a group of citizens and professionals, founded the Flussbad Berlin non-profit association to foster communication and implementation of the project, by successfully acquiring important funding.
This study confirmed the technical feasibility of water purification and the possible use of the Spree canal for bathing.

Meanwhile, the Chinese Water Resources Professional Standard SL 282-2003 [2] and the Chinese Hydropower Industry Standard DL/T 5346-2006 [3], which is based on SD 145-1985, are being used in China.
In dam design, the Vietnamese Water Resources Professional Standard 14TCN 56-88 [4] is used.
[4] Ministry of Water Resources of the S.
Water Resources and Hydropower Engineering, 38(1), 1-6. (2006)
Hanoi: Water Resources University (2007)

As a typical ancient town of Jiangnan water village, the urban layout is always around the water, which is also noted as the feature of this city.
Water, the premise for city people to communicate with nature.
Wetland system is a sort of system which is between the land system and the water system.
As the effective carrier of biological diversity it is, the wetland system is water purification and filtration of the air, so it is named as the kidney of land.
Taking the Shijiuyang wetland park as the sample, Jiaxing is planning the second city water ecological wetland project ,and attach the two water works in Jiaxing city to the ecological wetland to build and integrate the city ecological zone.

Especially for the erection stage, the water is deep, the wave is high and the stream is torrential.
The dike crown is set at the high water level to ensure various 24-hour constructional operations on the top.
The friction coefficient between bags under the water is based on the tests performed home and abroad.
In consideration of dumping fill under the water, the width of the retaining wall shall be provided with large safety coefficient.
References [1] Dike Development Professional Committee of Chinese Hydraulic Engineering Society, Sea Reclamation Works of China [M].

According to the data released by the China Professional Committee of Building Energy Conservation, in the year of 2001, building energy consumption accounts for 27.6% of the total energy consumption nationwide [1], which is a huge proportion.
Monthly Hot Water Tank Dimension Chart.1.
The hot water temperature is set as 60℃, which is also the stable water temperature in the hot water storage tank, and the cold water temperature varies in different seasons.
Water Piping and Tank Diagram Fig.2.
When the water temperature in the tank is below 50℃, the device will start to heat water to ensure sufficient hot water supply.

Science and technology talent advantage Research Institute of Nanjing University, the number second only to Beijing and Shanghai, has a rational structure, the relative stability of the relevant professional and technical personnel.
The green construction must presents energy saving, such as renewable energy sources and presents saving material, such as using the recycling new construction material and presents saving lands, such as using the space efficiently and presents saving water, such as using the water treatment.
Pay more attention to mechanism innovation, adjust measures to local conditions to promote the urban construction Attaches great importance to the professional personnel training.
Set up a batch of professional services for small and medium-sized enterprises of e-commerce platform, to promote the Development of a comprehensive network shopping center for personal consumption and other e-commerce business, to form a large key enterprises as a leader, supporting enterprises to support, the industrial value added for the integration of electronic commerce value chain.
According to the "unified planning, unified standards, classification collection, shared use" requirement, strengthen the construction of basic database of professional social security, education and scientific research, health care, land, housing, and transportation.

Water resources are abundant.
Surface water is14.62×108km3, and groundwater resources are 13.69× 108km3.
By changing the hydrological characteristics of wetlands, climate change mainly reduced wetland water supply, increased water consumption, so that wetland degraded and shrink.
Recent survey shows that the average annual industrial and domestic waste water are about 2.2×108t in the study area.
Establish a professional protecting lead agency, organize and implement with wetland-related work, coordinate the relationship of wetland protection and regional economic development.

The specific content of the disclosure of environmental information of the project, the company pass the environmental management system certification and annual review of the situation. disclosure annual environmental investment amount and related information; the new developing products, technology or service dealing with possible future demands of sustainable development. the performance of the reducing greenhouse gas emissions. energy conservation and alternative new energy; the company the implementation of green procurement, green office and other information in the operation of the process; the company waste gas, waste water, waste residue emission reduction system, measures and performance disclosure, company environmental protection social investment activities assistance, including its friendly environment improvement and external agencies; participation in external environmental activities or join the environmental protection organization and alliance conditions. 2.2 modeling
pressure sub regional environmental information disclosure, can be attributed to the following five aspects: first, for different regions or countries, as long as there are differences in the design of the system, punish, regulation measures will be different, disclosure the influence to the environment information, proposed the establishment of regional environmental benchmarking enterprises or the construction of enterprise environmental responsibility system; second, the government's propaganda of social responsibility efforts, will strengthen public attitudes towards environmental responsibility degree of interest, the public will be highly environmentally responsible business philosophy, the company in order to visibility will have the corresponding strategies and measures; third, the company's economic benefits are directly related to the industrial chain, partners, and the company public relations close company, as well as the overall attitude of company's industry, organization or professional
association and practices, will directly affect the environmental strategy of the enterprise; fourth, the leadership of the company, the employees to accept social responsibility education has a profound impact on the enterprise environment in this paper the consciousness, and also one of the external pressure on the internal characteristics of the way; fifth, the government culture Education independence and efficiency of intermediary of third party, can have more professional and authoritative than the public, supervision of the environment would be more effective, is an effective alternative to the government policy implementation.

Other robots are used in the repair of buildings facades, or in under water operations.
Fig. 3 Service robots for professional use.
Service robots for professional use.