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It has five operating modes, air-condition cooling and heating, hot water, cooling and hot water, heating and hot water.
In no hot water supply mode, the tube condenser does not work and avoid the water temperature kept going up and cause risks.
The COP of cooling and hot water is larger than individual cooling or hot water mode, this shows that the energy saving in the cooling & hot water mode is good.
If you choose hot water, when the water in the tank get to 48 ℃, the indoor fan start to work.
ASHRAE Professional Development Seminars: Refrigeration Systems for Air Conditioning and Industry.1989, 1- 7

Overall problems are talents are relatively small, low education background and professional title, specialty structure imbalance, the age is not consistent, and the lack of follow-up talents, echelon construction is weak, lack of high level and advanced talents.[3].
An integral part of professional and technical personnel to the development of enterprises, enterprises should also be given special attention and policy.
Yunnan Copper Group adjusted to improve academic degrees and professional technical position allowance standard, the transformation of professional technical position management pattern, the introduction of college graduates to enjoy education allowance policy, and after the growth for the company's professional technical backbone to enjoy professional technical position allowance.
Mining companies also should try to improve the employees' living conditions, increasing staff welfare, build pithead staff canteen, equipped with modern catering kitchen utensils and appliances, heat pump water supply equipment, ensure the worker will be able to eat after work on low price material benefit of hot food hot meals, wash the steaming hot bath and enjoy a high level of logistics services.

The aim objective of FAMET 2014 is to provide a platform for researchers, engineers, academicians as well as industrial professionals from all over the world to present their research results and development activities in Materials Science, Mechanical Design and Manufacturing Engineering.
,India Zhao Weiguo, Hebei University of Engineering, China He Qing, North China Electric Power University, China Mir Mahdi Zalloi , Iron Zhou Liang, Donghua University , China Liu Yunan, University of Michigan, USA Wang Liying, Institute of Water Conservancy and Hydroelectric Power, China Chenggui Zhao, Yunnan University of Finance and Economics, China Hsiang-Chuan Liu, Asia University Gang Shi, Inha University, South KoreaBhagavathi Tarigoppula, Bradley University, USA Tjamme Wiegers, Delft University of Technology, Netherlands Anita Kovač Kralj, University of Maribor, Slovenia Wei Fu, Chongqing University, China Ramezan ali Mahdavinejad, University of Tehran, Iran Chen Chi-Hua, National Chiao Tung University Mostafa Shokshok, National University of Malaysia, Malaysia Hong Sheng, Beijing University of Aeronautics and Astronautics, China Yang Yan, Guangxi University for Nationalities, China Xu Chungeng, Nanjing University of Science and Technology, China

The key strategies recommended in NMSH 2.0 include integration of Eco-Niwas Samhita (ENS) 2018, renewable energy, green building guidelines, and water harvesting for residential buildings.
heating system Solar photo-voltaic 3 Water conservation and management Site and building water use reduction Rainwater harvesting Recycle and reuse of wastewater Water usage monitoring Water quality requirements 4 Waste management Construction waste (non-hazardous, packaging, and hazardous) Post-occupancy waste (dry, wet, sanitary, hazardous) 5 Indoor Environmental Quality (IEQ) Ventilation potential, cross ventilation Low-emitting materials Air quality in underground parking (CO levels) Ventilation opening in kitchen and bathrooms/toilets Daylighting availability (useful daylight illuminance) Lighting adequacy for common areas and exterior lighting Lighting quality-colour rendering index Thermal comfort 1 Site Selection and Planning Local building regulations Soil erosion control Basic household amenities Natural topography & vegetation Heat Island effect roof Design for differently abled, Basic facilities for construction workforce 2 Water efficiency Rainwater
harvesting, roof & non-roof Water-efficient plumbing fixtures Landscape design Management of irrigation system 3 Energy Efficiency CFC-free equipment Energy Performance On-site renewable energy Solar water heating systems Energy-saving measures in other appliances & equipment 4 Materials and Resources Separation of household waste Organic waste treatment post occupancy Handling of construction waste materials Reuse of salvaged materials Materials with recycled content Local material Rapidly renewable building materials and certified wood 5 Indoor Environment Quality Tobacco smoke control Daylighting Fresh air ventilation Exhaust systems Low VOC materials, paints & adhesives Flush-out for ten days Cross ventilation 6 Innovation & Design Innovation & Design Process IGBC Accredited professional CR 1 Site Planning CR2 Passive Design Strategies CR 3 Efficient envelope design CR 4 Low Environmental Impact Building Materials in the structure CR 5 Low Environmental
and waste management Grey water is used for irrigation after filtration, and rainwater harvesting Underground water storage tank supplies water at normal temperature throughout the year (no hot water energy required).
Summary Eco-House is a proposition for sustainable future envisaged by dedicated architects and building professionals working on myriad aspects of sustainable built environment; underpinning transition from technological (high performance) to biocentric (ecological) design, Fig. 1.

In fact, these lines selection methods mainly depended on the level of professionals’ practical experience and technical skill.
Besides, these professionals are restricted by the "vision limitations" at the scene.
Designers can consider and analyze the impact of various geographical factors in the interior, such as the feature topography, regional geology, the hydrology and water resources, etc.

Analysis of water, drainage in thermal power plant Fig.1 A typical thermal power plant water distribution The typical unit in power plant water into the circulating cooling water system, ash water system, cooling water system, industrial chemical desalting water system (boiler feed water system), desulfurization water system, life and fire water system and reclaimed water system
Ash water system of power plant is second water and water consumption system. 
Fire water should be indoor fire water and outdoor fire water and calculation
The miscellaneous water many, including watering road water, green water, repair water, room miscellaneous water, washing water, coal handling system of coal humidifying water etc.
Summary Water saving relates to thermal power plant boiler, steam turbine, the power of hydraulic, chemical plant, power plant ash and environmental protection, professional, in water-saving process must be the com., consider the overall effect of water saving; water saving technology in thermal power plant including water, reuse, treatment, reuse, emissions and other links, use a variety of water-saving technology combined to become the development trend of water saving technology in thermal power plant. 

Quality Evaluation of Specialty Employment for Engineering Education Zhenhua LIU Department of Municipal Engineering,Zhejiang Water Conservancy and Hydropower College,Hangzhou Zhejiang ,China liuzhh@zjwchc.com Keywords: Engineering education, employment rate, dimission rate, specialty matching rate, specialty employment-quality index Abstract.Employment quality is the core indicators of specialty or discipline about engineering education reform effectiveness.Evaluation indicators of specialty employment includes mainly employment rate,specialty matching rate, dimission rate.Specialty employment-quality index is presented, the article lists the mathematical expressions in order to facilitate application.
Figure 2 shows that the overall employment rate of graduates is on the rise in China, the social demand for graduates is relatively large because China's rapid economic development needs for large numbers of professionals.
The specialty matching rate indicates a measure of the graduate career interests and specialty,it is an important basis for the evaluation of professional personnel training.
Acknowledgments This work is supported by education and teaching reform projects of Zhejiang water conservancy and hydropower college in 2012, the young and middle-aged teacher training,and is also very grateful to MyCOS Institute.

Avoid simply for landscape and landscape design, regardless of the specific environment blindly no practical function, water bridge, pavilion, rockery, pillars, flower, greens and so on, or excessive use of tiles paving, this will only result in duplication of landscape.
In addition, while many universities are now training professionals in landscape design, often their experience is not comprehensive enough.
These programs include forestry, which emphasizes on green development, urban construction which emphasizes architecture and city planning and the art institute’s emphasis on professional essays and modeling.
Overall greening can make the microclimate environment better adjusted, as vegetation and water can alter the temperature, humidity, wind, and available shade, as well as improve the quality of ventilation, and reduce noise pollution, green development can also be used to improve the quality of the water, as well as reduced the heat reflecting surface, so that the water temperature of the surrounding environment be improved.
Uniform rules, coordinating layout Greenbelt is an essential part of residential environment of space, but also in the whole city with green system plays an important role, composed of vegetation, ground water, and all kinds of landscape sketch.

Health Risk Assessment Model of drinking water sources.
Step 1: Determine the chromium in the water cycle.
Chromium ores Rock Ore Weathering and dissolution Mining and smelting Surface water Penetration Drinking water Percolation Chromium contaminants Sewage treatment plant Surface water bodies Waste treatment plant Polluted water Domestic garbage and Production waste Enterprises use chromium compounds as raw materials Figure 1 Chromium Pollutants into the Water Cycle To select the optimal strategy.
Shanghai, the main source of drinking water to water the health risks of heavy metals preliminary evaluation [J].
Drinking water sources of Lakes water environment health risk assessment [J].Environmental Sciences.2010, 1(32):74-79

The geographic information system (GIS) for the landscape professionals provides an intuitive and rational spatial analysis tools.
Using a variety of special filter function computer software, a comprehensive analysis of the artistic effect and in a timely manner to modify its artistic effect, and landscape design not only as tour the place, but also use it to improve the urban microclimate conditions, partial adjustment regional temperature, humidity, airflow to it to protect the environment, green vision, purify urban air, reduce urban noise, water and soil pollution suppression, a comprehensive consideration, to meet the design perfection.
The Application Status of Digital Technology in the Landscape The United States since the 1960s in the field of landscape planning to complete a variety of professional computer work since many universities, scientific research institutes and design offices in large organizations of human, material and financial resources committed to the application of new technology research landscape areas, including professional software development, development of expert systems, etc., and have been walking in the forefront of the world.
Over the past decade, some professional scholars who dedicated in IT landscape theory has made encouraging progress in different fields, such as information systems landscape theoretical framework established by Yi Liu Bin, landscape aesthetic quality evaluation Kongjian established theoretical model, Zhao Tao landscape theoretical framework for integrated information systems, such as vision.
The reason except covers a wide range of professional landscape architecture, complexity of the problem outside, mainly because of the community ( including landscape architecture profession ) is not enough emphasis in this area, the overall technology application and development efforts are not formed.