Search Options

Sort by:

Sort search results by

Publication Type:

Publication Type filter

Open access:

Publication Date:

Periodicals:

Periodicals filter

Search results

Online since: December 2016
Authors: Mária Kozlovská, Marcela Spisakova, Daniela Mačková, Jozef Svajlenka
Building performance in sustainability is now a major concern of professionals in the building industry.
Gases in the atmosphere will bind water and create acid rain, which regional detrimental to plants, animals, soil, water and even buildings [15].
Online since: September 2013
Authors: Dominik Gazdič
Main slag components are: § gehlenite - 2CaO.Al2O3.SiO2 § akermanite - 2CaO.MgO.2SiO2 § melilite - solidified gehlenite and akermanite solution § merwinite - 3CaO.MgO.2SiO2 § belite - β - 2CaO.SiO2 § wollastonite - β - CaO.SiO2 By its properties the granulated blast furnace slag is classified among so called latently hydraulic materials, i.e. materials that after adding of water do not mature or solidify.
During their hardening compounds similar to compounds formed at slag-Portland hardening are formed. [1] They are characterised with small development of hydration heat and significant resistance to aggressive waters.
· normal consistency; performed by Vicat method · compressive strength and tensile strength at bend; they were set with hydrated pastes with water - binder ratio corresponding to a normal consistency mash.
At theoretical study of professional literature (3) they obtained compressive strengths and ability to resist aggressive environment effects were emphasised, however also the questions of slag binding capacity loss and disintegration were mentioned in dependence on amount and type of used exciters and contained impurities which are perceptible only after a longer period of hydration.
Online since: January 2014
Authors: Hui Li, Li Yong Fang, Xu Dong Yin, Hai Huang Zhang
In China, Chengdou Engineering Corporation of HYDROCHINA and Investigation and Design Institute of Water Resoures and HYDROPOWER of JINING PROVINCE are pioneers in utilizing CATIA for design and production in hydropower projects.
After several years of application, many achievements have been made in 3D visualization, rapid prototyping, professional knowledge reuse, and collective design.
References [1] V Alicescu and T R Jean-Pierre, Situated in the North of Quebec, Canada, 2011,p.208 [2] H Chaoming, Q Xiangdong and L Bailin, Water Power,Vol.32(2006),No.3, p.24[in Chinese] [3] Z Sherong, G Yan and Z Zongliang, Journal of Hydroelectric Engineering,Vol.27(2008),No.3, p.65[in Chinese] [4] H Zhipeng, X Lijun and P Yanfan, Design of Hydroelectric PowerStation,Vol.26(2010),No.3, p.33 [in Chinese] [5] L Chao, F Juping and D Zhan, et al, Design of Hydroelectric Power Station,Vol.27(2011), No.1,p.1[in Chinese] [6] H Zhipeng, Y Jing and Z Yonggang et al, Design of Hydroelectric Power Station, Vol.27(2011),No.4, p.9[in Chinese] [7] F Ying, Jilin Water Resources.Vol.330(2009), No.11, p.41[in Chinese] [8] Christoph M.
Online since: February 2019
Authors: Daria O. Ignatkina, A.A. Voytyuk, E.V. Moskvicheva
Then it was washed with water and dried in the natural conditions up to the residual wetness 2-3%.
[2] Curds, C.R. // Ecological Aspects of Used-water Treatment / C.R.
Sorbent water purification. / A.D.Smirnov. – L.: Chemestry, 1982. –168 p
Purification and using wastewater in industrial water supply / A.M.
Mcqueen // Geological Survey Professional Paper 334-G. – 1960. – 48 p
Online since: February 2013
Authors: Zhi Heng Mei, Jiao Jiao Hou, Fu Ding Mei
Whole Process Simulation of Accidents As we all know, many accidents occur in a moment and most of the details cannot be understood intuitively, such as the mine gas explosions and the processes of water level changing when the tunnel floods occurred etc., it is vivid and accurate to descript the accident conditions, mechanisms, and consequences of the development process by constructing three-dimensional animation incident maps.
Besides the rich and varied forms of animation are designed to meet the needs of different professionals at different levels and achieve the desire effect in security education with a sound, vivid, highly infectious and affinity animation picture.
As a consequence, you can look directly into how deep and how much space the main system extends to provide basis for decision making with taking advantage of existing systems to extend the development of deep reasonable choice of deep ore bodies and filling pipelines, power lines, air pipe, water pipe lines, etc.
Online since: October 2011
Authors: Qi Chun Hu, Ke Pan, Qi Li Zhu
The industry of livestock breeding in Sichuan province, especially that of pig breeding were changing the breeding mode from scattered to scaled and professional.
The present status of pollutants of scale pig breeding industry With the formation and development of scaled pig breeding industry, the amount of manure and flushed water discharged from pig farm increased obviously.
dry manure Pig farm anaerobic fermentation Irrigating farmland producing organic fertilizer Flushed water Biogas fuel AFR manure Producing organic fertilizer dry manure Pig farm grid anaerobic fermentation Irrigating farmland residues Redundant liquid AFR natural disposal and standardized emission Fig.4 Flow chart of disposal model for manure from small- scale pig farm in Qionglai city Fig.5 Flow chart of disposal model for manure from large and middle-scale pig farm in Qionglai city Anaerobic fermentation technic is necessary section for above three disposal mode.
But in order to save cost, some scaled breeding farms, especially those of small scale, self-build biogas plants instead of professional team or instruction of any technical personnel, which has no guarantee of quality.
Online since: February 2014
Authors: Zhen Huang, Xu Wen He, Yue Xi Zhou, Yu Dong Song, Jie Xu
The degradation rate of 4-TSA is decreased as the increasing of water load.
Introduction As a shortage of water resource and serious water pollution country, China is suffering from much water contamination mainly from industrial waste water and living waste water.
Therefore, the water pollution caused by 4-TSA already has become a huge difficult problem of treating industrial waste water, and got more and more people’s attention .
To use normal method of disposing waste water is difficult to degrade 4-TSA which has high water solubility and strong polarity.
Chemical oxygen demand (COD) is used rapid digestion method to measure, COD is measured by instrument CTL-12, dissolved oxygen (DO) used professional DO tester (M4002) to measure, redox potential (ORP) is a comprehensive result from various oxides and reduzates react each other, is used by M420 pH measuring instrument to measure.
Online since: March 2015
Authors: Shan Qing, Zhen Wei Tian, Jian Jun Wang
General principle: determined index should be professional data which is general, common, and easy to obtain.
Therefore, delivery distribution link indexes mainly include water loss rate, steam loss rate, compressed air loss rate and electricity loss rate.
Cigarette enterprises recycle-use link mainly involves recovery and utilization of water and condensed water.
The indexes include recovery rate of water and condensed water.
Through a year of energy efficiency benchmarking, great potentials are found in treatment and utilization of water, utilization of condensed water, utilization of sonic soot blower and transformation of frequency conversion.
Online since: December 2009
Authors: Norhamidi Muhamad, Hooman Abolhasani
Therefore, starch can be theoretically used as filler in water-soluble binders which can be extracted using hot water in debinding section.
Tapioca starch granules swell in water at 76°C and create a transparent gel [4].
The excess water content in thermoplastic starch evaporates due to the working point temperature [7].
Material Weight [g] wt.% Starch 164.8 41.2 Water* 271.8 - Glycerol 93.6 23.4 LLDPE 114 28.5 Citric Acid 7.6 1.9 Stearic Acid 20 5 *: Water content in thermoplastic starch evaporates due to the working point temperature.
Dziedzic: Handbook of starch hydrolysis products and their derivatives. 1st ed., London: Blackie Academic & Professional (1995)
Online since: October 2013
Authors: Wan Jun Hou, Feng Ming Sun, Sheng Yan Zhang, Hui Xi
(1) Energy saving fan and water pump According to the survey, construction of stroke pump power consumption (including central heating system pump consumption) accounted for operating power consumption urban construction in our country in 10%, which has the potential to reduce 60%-70% power consumption. 1) It uses frequency conversion technology to reduce the energy consumption of the fan and water pump.
Air conditioning chilled water supply and return water temperature difference is 5 ℃, while the air conditioning water supply and return water temperature difference is 10 ℃, when the load is the same, air conditioning and hot water circulation should be chilled water circulation of 50%.
Especially in cold areas, heat load is less than the cold load; general hot water circulating pump flow of cold water circulation pump can meet the requirements of 1/3.
Professional data display, energy-saving lamps than incandescent energy saving 80%, incandescent lamp life is 5 times, light efficiency is 3.5 times of incandescent lamp.
Optimal design and operation of a thermal storage system for a chilled water plant serving pharmaceutical buildings [J].
Showing 1821 to 1830 of 3745 items