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Online since: August 2020
Authors: Michala Hubertová, Rudolf Hela
Chief among the pioneers in Europe is Finland, where the state research project began in 2012, with the fundamental results published in professional publications in 2014 and 2015.
The composition of PC is particularly sensitive to water dosing.
The recommended value of the water–cement ratio is 0.27–0.33.
The effective porosity for satisfactory water permeability is 15–30 %.
Then we close the ball valve and fill the measuring cylinder with water, so that the water level touches the black line showing the volume of 1,090 ml.
The composition of PC is particularly sensitive to water dosing.
The recommended value of the water–cement ratio is 0.27–0.33.
The effective porosity for satisfactory water permeability is 15–30 %.
Then we close the ball valve and fill the measuring cylinder with water, so that the water level touches the black line showing the volume of 1,090 ml.
Online since: October 2011
Authors: Ying Yu
With the calculation of professional software, the load of the soil heat pump is 1650 KW in summer is relative to the basic heating load of 60 % in winter.
To test the effect of heat exchanger, the actual test data, thermal parameters and other parameters, such as hourly load, are inputted into the professional data analysis software.
The end supply water temperature is 7 degree, return water temperature is 12 degree in summer.
The end supply water temperature is 45 degree, return water temperature is 40 degree in winter.
Real-time regulating bypass valve’s opening by detecting the pressure of hot and cold water, supply and return water.
To test the effect of heat exchanger, the actual test data, thermal parameters and other parameters, such as hourly load, are inputted into the professional data analysis software.
The end supply water temperature is 7 degree, return water temperature is 12 degree in summer.
The end supply water temperature is 45 degree, return water temperature is 40 degree in winter.
Real-time regulating bypass valve’s opening by detecting the pressure of hot and cold water, supply and return water.
Online since: May 2012
Authors: Ri Sheng Wang, Kai Shi
Test devices and arrangement
Water Circulation System.
Groundwater reservoir pumping water through the water pump to the pump room of high level water tank at the top of, control valves for water supply pipe into the Weir, before entering the Import pool, flows through the model back to the underground reservoir, forming water circulation system.
Beijing: China water resources to sediment professional committee, 1992.464-470
Hydraulics [M].wuhan: wuhan water power university press, 2000:279
Northwest water resources and water engineering, 1993, (4) : 21-27 [15] Yen.B.C.
Groundwater reservoir pumping water through the water pump to the pump room of high level water tank at the top of, control valves for water supply pipe into the Weir, before entering the Import pool, flows through the model back to the underground reservoir, forming water circulation system.
Beijing: China water resources to sediment professional committee, 1992.464-470
Hydraulics [M].wuhan: wuhan water power university press, 2000:279
Northwest water resources and water engineering, 1993, (4) : 21-27 [15] Yen.B.C.
Online since: July 2014
Authors: Xiu Xia Li
Eco-environmental construction in Zhengzhou
Xiuxia LI
School of Art and Design,Xinxiang University,Henan,China,453000
14878670@qq.com
Keywords: ecological destroy; sustainable development; Zhengzhou
Abstract: After a discussion of present problems of eco-environmental construction on municipal virescence , water environment and water ecology, and landscape as well as urban ecological system of quantity, quality and capacity in Zhengzhou, the causes of these problems are analyzed.
Measures are put forward, such as knowing the meaning of municipal eco-environmental construction, increasing the environmental protect consciousness of managers and enhancing the municipal eco-systemic construction. 0 Introduction This paper discusses the current of zhengzhou city’s virescence, water environment and aquatic ecology, urban landscape and ecological construction, such as quantity, quality and capacity problems in ecological environment construction, analysis to explore the cause of the problems, and puts forward the scientific understanding of the connotation of urban ecological environment construction, raise awareness of the environment protection of city management and urban planning and technical personnel's professional quality, strengthening the construction of urban ecological engineering and urban sustainable development system of several countermeasures. 1 The current problems existing in the ecological environment construction ecological destruction in areas
Outstanding performance to a large number of breeding of water hyacinth can cause local aquatic plants disappear, every year need to spend a lot of manpower and salvage. 2.The ecological city construction process system structure In the ecological urban construction coordination mechanism in the process of building the system structure, always revolve around the relationship between human and nature, between people the two lines.
(3)Restore the characteristics of "water", build the waterfront landscape, construction of ecological city Protect the existing urban water bodies, through comprehensive environmental control to improve the water quality, and restore its coastal ecological landscape;"Water", and restore the characteristics of "water"; Dredging or restore partially fill river, in densely inhabited areas, appropriate excavation water bodies, and along the coast build large-scale green space, improve urban living environment; Make full use of the coastal tidal flats, ecological garden construction of oversize, and strive to improve the quality of ecological environment construction of zhengzhou.
The decline and fall of winter aquatic higher plants for the influence of river water quality[J].
Measures are put forward, such as knowing the meaning of municipal eco-environmental construction, increasing the environmental protect consciousness of managers and enhancing the municipal eco-systemic construction. 0 Introduction This paper discusses the current of zhengzhou city’s virescence, water environment and aquatic ecology, urban landscape and ecological construction, such as quantity, quality and capacity problems in ecological environment construction, analysis to explore the cause of the problems, and puts forward the scientific understanding of the connotation of urban ecological environment construction, raise awareness of the environment protection of city management and urban planning and technical personnel's professional quality, strengthening the construction of urban ecological engineering and urban sustainable development system of several countermeasures. 1 The current problems existing in the ecological environment construction ecological destruction in areas
Outstanding performance to a large number of breeding of water hyacinth can cause local aquatic plants disappear, every year need to spend a lot of manpower and salvage. 2.The ecological city construction process system structure In the ecological urban construction coordination mechanism in the process of building the system structure, always revolve around the relationship between human and nature, between people the two lines.
(3)Restore the characteristics of "water", build the waterfront landscape, construction of ecological city Protect the existing urban water bodies, through comprehensive environmental control to improve the water quality, and restore its coastal ecological landscape;"Water", and restore the characteristics of "water"; Dredging or restore partially fill river, in densely inhabited areas, appropriate excavation water bodies, and along the coast build large-scale green space, improve urban living environment; Make full use of the coastal tidal flats, ecological garden construction of oversize, and strive to improve the quality of ecological environment construction of zhengzhou.
The decline and fall of winter aquatic higher plants for the influence of river water quality[J].
Online since: December 2006
Authors: Mei Hong Liu, Ren Liang Cai, Xin Qi Yu, Zhen Hui Wang, Pei Ying Peng
Water was supplied by pressured gas and the mating faces
were lubricated.
Müller: Proceeding of 16th International Conference on Fluid Sealing (Professional Engineering Publishing Limited, United Kingdom 1997)
Rokicki: Proceeding of 16th International Conference on Fluid Sealing (Professional Engineering Publishing Limited, United Kingdom 1997)
Etsion: Proceeding of 16th International Conference on Fluid Sealing (Professional Engineering Publishing Limited, United Kingdom 1997)
Müller: Proceeding of 16th International Conference on Fluid Sealing (Professional Engineering Publishing Limited, United Kingdom 1997)
Rokicki: Proceeding of 16th International Conference on Fluid Sealing (Professional Engineering Publishing Limited, United Kingdom 1997)
Etsion: Proceeding of 16th International Conference on Fluid Sealing (Professional Engineering Publishing Limited, United Kingdom 1997)
Online since: August 2014
Authors: Peter Trebuňa, Dušan Sabadka
Currently dealing with these issues major manufacturers of motorcycle international brands, but also service technicians of professional riders, as well as regular users of motorcycles.
pi = HuLt . ηiλ . ηo . ρ (2) Hu – fuel efficiency (MJ.kg-1) ρ – specific weight (kg.m-3) Lt – specific air consumption (kg.kg-1) λ – excess-air coefficient For small motorcycles and mopeds is most commonly used single cylinder, two stroke, air or water-cooled engine with a loss lubricantion, in which the oil is contained in the fuel.
Electronic professional journal: Lifting equipment in theory and practice. 1/2007, pp. 10-16, ISSN 1802-2812 [12] Aprilia RS 125.
pi = HuLt . ηiλ . ηo . ρ (2) Hu – fuel efficiency (MJ.kg-1) ρ – specific weight (kg.m-3) Lt – specific air consumption (kg.kg-1) λ – excess-air coefficient For small motorcycles and mopeds is most commonly used single cylinder, two stroke, air or water-cooled engine with a loss lubricantion, in which the oil is contained in the fuel.
Electronic professional journal: Lifting equipment in theory and practice. 1/2007, pp. 10-16, ISSN 1802-2812 [12] Aprilia RS 125.
Online since: January 2014
Authors: Shang Wei Liu, Lu Shuang Wei, Xiao Chao Zhu
The Applicable Study on Cloudy Technology in Steel-structured Engineering Software Framework
Shangwei Liu1, a, Lushuang Wei1,2,b, Xiaochao Zhu2,c
1University of the Chinese Academy of Sciences, Beijing, 100049
2North China University of Water Resources and Electric Power, Zhengzhou, Henan, 450011, China
aliushangwei@ncwu.edu.cn, bweils@ncwu.edu.cn, c707490703@qq.com
Keywords: Steel-structured engineering; Cloudy computing; distributed computing; virtual platform; Windows Azure
Abstract.
Increasing the volume of the steel-structured engineering practicality as well complexity, steel- structured designing software also will be required to compute massive data with an aim to deal with processing capacity and professional co-processing.
Introduction Most universal designs for the civil engineering industry intend to set developed classification modules in its platform, which can be applied to a variety of structural designs so as to develop its basis stone for a certain steel structure; professional steel structure design software features targeted to provide guidance for factory processing [1] in terms of both convenient features and some representative software techniques [2].
Increasing the volume of the steel-structured engineering practicality as well complexity, steel- structured designing software also will be required to compute massive data with an aim to deal with processing capacity and professional co-processing.
Introduction Most universal designs for the civil engineering industry intend to set developed classification modules in its platform, which can be applied to a variety of structural designs so as to develop its basis stone for a certain steel structure; professional steel structure design software features targeted to provide guidance for factory processing [1] in terms of both convenient features and some representative software techniques [2].
Online since: May 2012
Authors: Hong Yan Li
In the old part, water flows across the residential area, passes the entrance of every family, and fish swims in the water, showing the special “small bridges and flowing water” scenery in the southern area of the Yangtze River.
People lay stone slates on the water ditches and use the water for daily life.
The underground water in Qiantong is rich, so local residents dig wells for drinking water.
The integration street space and water system composed of high walls, water ditches, water wells, gravel paved lanes and climbing plants have shown a rich and special landscape (Fig. 6).
Today, more and more scholars and professionals have realized the deficiencies of overemphasizing economic development.
People lay stone slates on the water ditches and use the water for daily life.
The underground water in Qiantong is rich, so local residents dig wells for drinking water.
The integration street space and water system composed of high walls, water ditches, water wells, gravel paved lanes and climbing plants have shown a rich and special landscape (Fig. 6).
Today, more and more scholars and professionals have realized the deficiencies of overemphasizing economic development.
Online since: September 2013
Authors: Bao Ping Jin, Guo Jun Han, Xia Lei
To reduce the high consumption and abate the pollution, therefore, it is necessary for the professionals of heating and ventilation air-conditioners to lay stress on the energy conservation design of air-conditioning system and right selection of equipment, and to call on and guide the customers for correct use of energy conservation and emission reduction of household appliances.
The common refrigeration equipment is divided into air-cooled water chilling unit and water-cooled water chilling unit.
The most of large-scale air-conditioning systems use centrifugal water-cooled water chilling units for high energy efficiency, while the most of medium- and small-scale air-conditioning systems often use compressed and screw type water-cooled or air-cooled water chilling units for high energy efficiency.
Energy Consumption and Correct use of the Chilled Water Pump and the Cooling Water Pump Since the large- and medium-scale air-conditioning systems generally use water-cooled condensing, there is a chilled water circulation and a cooling water circulation.
The chilled water pump and cooling water pump, which provide circulated power, are also energy hogs.
The common refrigeration equipment is divided into air-cooled water chilling unit and water-cooled water chilling unit.
The most of large-scale air-conditioning systems use centrifugal water-cooled water chilling units for high energy efficiency, while the most of medium- and small-scale air-conditioning systems often use compressed and screw type water-cooled or air-cooled water chilling units for high energy efficiency.
Energy Consumption and Correct use of the Chilled Water Pump and the Cooling Water Pump Since the large- and medium-scale air-conditioning systems generally use water-cooled condensing, there is a chilled water circulation and a cooling water circulation.
The chilled water pump and cooling water pump, which provide circulated power, are also energy hogs.
Online since: July 2013
Authors: K.V.R. Murthy
Professionals used them at every walk of life.
Professionals have worked in this direction, investigated and standardized many analytical methods to estimate the doses of radiations.
In the past, professionals had used the film badge technique in real practice.
The effective ‘hardening’ of the beam with increasing depth in the water or solid phantom.
Measuring the depth dose distribution along the central axis of the beam in a water or water-equivalent phantom, and b.
Professionals have worked in this direction, investigated and standardized many analytical methods to estimate the doses of radiations.
In the past, professionals had used the film badge technique in real practice.
The effective ‘hardening’ of the beam with increasing depth in the water or solid phantom.
Measuring the depth dose distribution along the central axis of the beam in a water or water-equivalent phantom, and b.