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Materials and methods Reagents and instruments DDT standard reference material: authenticated by agro-environmental protection institute of MOA, concentration was 100μg/mL, solvent is n-hexane; petroleum ether 60-90℃ and acetone are analytically pure with distilled; concentrated sulfuric acid is guaranteed reagent; diatomaceous earth is analytically pure; anhydrous sodium carbonate is guaranteed reagent, and it is dried in the Muffle furnace for 4 h at 300˚C.
Quality assurance and quality control In this experiment, base on the standard addition, added the mix reference material 10μg/L 10ml to the samples, after 4 times the average recovery of parallel experiments is made.
Acknowledges The financial supports of Water Resources Special Program of National Public Severe (201001054) and Key Projects in Jiangxi Province Science & Technology Pillar Program (2009BSA13800) are gratefully acknowledged.
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This makes concrete one of the most common building materials on the market.
This makes concrete one of the most common building materials on the market.
These two materials are generally used to replace a portion of the cement in a concrete mix.
“Cradle-to-grave” begins with the gathering of raw materials from the earth to create the product and ends at the point when all materials are returned to the earth.
School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou Jiangsu 215011 China Life Cycle Assessment on the Building of Suzhou Moon Bay International Center, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou Jiangsu 215011 China, China Academic Journal Electronic Publishing House, 2011.6, p:67 [6] Jeannette Sjunnesson, Lund University.

It is effectively used to identify the damages in different longitudinal positions and materials of the composite bridge.
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New organic-inorganic composite materials consists of cement hardened gel together with epoxy asphalt, which is made of an epoxy asphalt coated cement hydrate.
The CAM materials have been put into domestic engineering applications in a number of lines [10],and there also similar products in China and foreign [11-13].
It may be the gel network structure of epoxy asphalt have bonding[19,20]and wrapping effect to the cementitious materials.
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Introduction Cement-based composite belong among one of the most important buildings materials.
Researches dealing with those materials were mainly focused on their mechanical properties.
During the temperature loadings a steeper increase of thermal strain shows all materials.
Studied materials were alumina cement-based composite containing silica sand.
O., Brocken, H., Černý, R., Pavlík, Z., Hall, C., Kumaran, K., Pel, L., Plagge, R., Interlaboratory Comparison of Hygric Properties of Porous Building Materials, Journal of Thermal Envelope and Building Science. 27 (2004) 307-325

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Ceramic materials are well known as high mechanical strength and anti-wear materials which often are the best choices as polymer fillers.
Experimental Materials.
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Acknowledgements Project supported by Major national science and technology projects (Grant NO. 2011ZX05056), Henan Province science and technology project (NO. 112106000035), Zhengzhou Steel Structure and Engineering Research Center (Grant NO. 20090408), Zhengzhou city science and technology innovation team (Grant NO. 096SYJH21081), Zhengzhou City academician funds (Grant NO. 112PYSGZ825).
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Journal of North China Institute of Water Conservancy and Hydroelectric Power, 2010, 5: 002
Chinese Journal of Rock Mechanics and Engineering, 2008, 10: 012.

Removal of Phosphorus from High Phosphorus Iron Ores in Wushan Mountain by Crosscurrent Acid Leaching Xiaoyan Xianga, Wentang Xiab, Xiaoli Yuanc, Jianguo Yind and Juan Ane School of Metallurgical and Materials Engineering, University of Science and Technology, Chongqing, 401331, China axxycsu@163.com, bwentangx@163.com, cYuanxiaoli1981@126.com, dyjg06@163.com, eanjuan2692@126.com Keywords: High phosphorus iron ores, dephosphorization, thermodynamics, crosscurrent acid leaching, circulation.
Journal of University of Science and Technology Beijing, 2013, 35(8): 986-993 (in Chinese)
Journal of university of science and technology Beijing, 2010, 32(8): 968-974
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This includes choosing eco-friendly materials, embracing a circular economy to minimise waste, ensuring transparency in the supply chain, and promoting eco-conscious consumer behaviour to promote sustainable development [16, 17, 53].
The third step involves gathering data from various sources, including texts, research materials, and historical data.
Islam, Waste management strategies in fashion and textiles industry: Challenges are in governance, materials culture and design-centric, in Waste Management in the Fashion and Textile Industries: Elsevier, 2021, pp. 275293
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| Australian Academy of Science [accessed 4 March 2023]