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Gansu social sciences，2003,(6):66-69
The International Journal of Logistics Management, 2010-21(1):127-151 [10] Sebastian K.
European Journal of Operational Research,2006, 169(3):1030-1047
International Journal of Computer Integrated Manufacturing, 2009, 22(6): 483-493
European Journal of Operational Research, 2012, 216:312-325

Currently, some domestic R&D institutions have started study in heat-insulated materials and some nanometer heat insulation material samples have been made [4, 5, 6, 7].
From sample analytical data perspective, these materials have certain of heat insulation function, but they still can’t come into practice due to improvement on their practical heat insulation effect and surface quality.
Acknowledgements This work is supported by the Natural Science Research Project of Nantong University of China. (09Z015), its corresponding author is Yidan Zhou.
[2] Shaojun Cai: Shanghai Coating Materials, No. 7 (2006), pp.21-24
[10] Hui Zhang, Jianchun Zhang: Textile Academic Journal, Vol.28, No.3 (2007), pp.60-64

Materials and Methods Operational Processes.
Snyder, “Effluent Organic Matter (EfOM) in Wastewater: Constituents, Effects, and Treatment”, Critical Reviews in Environmental Science and Technology, Vol.36 (2006),p.327- 374
Stuckey, “Characterization of dissolved compounds in submerged anaerobic membrane bioreactors (SAMBRs)”, Journal of Chemical Technology and Biotechnology, Vol.81(2006) ,p.1894-1904
Journal of Environmental Sciences, Vol. 20(2008) ,p.492-498
Booksh, “Fluorescence excitation-emission matrix regional integration to quantify spectra for dissolved organic matter”, Environmental Science and Technology, Vol.37(2003) ,p.5701-5710

DHM is a plant flavonoid, most commonly extracted from natural plant materials, such as the fruits of Hovenia dulcis (Yoo S M et al., 2006) and the leaves and stems of Chinese vine tea (Ampelopsis grossedentata) (Du Q et al., 2002; Zheng C et al, 2006).
Materials and Methods Chemicals and Reagents DHM (95%) was obtained from Fine Chemical Research Laboratory of Guanzhou University.
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Acknowledgements This work was financially supported by the National Natural Science Foundation of China (51176031).
Wright, On the estimation of thermal strains developed during oxide growth, Journal of Applied Physics 106, 023503(2009)
Conf. on Interaction of Iron-Based Materials with Water and Steam, R.
Smeltzer, Thermal conductivity of magnetite and hematite, Journal of Applied Physics,Vol. 42, p3644-3647, 1971
Manahan, Thermal expansion and conductibity of magnetite flakes from the Oconee-2 steam generator, Journal of Materials Science, 25(1990), p3424-3428.

The work in detail is that construction agent shall set up a special account of the project construction finance, the financial management department shall appropriate in installments to construction agent by the financial plan, and construction agent shall pay the capital to the main contractor, the engineer, the procurement contractor of plant and materials etc.
On the other hand, Construction agent shall sign the supervision commission contract, survey and design contract, construction contract and material procurement contract, which involve in extensive contents, complex cases such as the undefined scope of risk, the contradictions of contract and the two explanations of significations etc.
The contract clause should be ready seriously, avoid the hazard and the occurrence of engineering variations and claim for compensation, and decrease the limitation, while it is made for the contract of engineer, reconnaissance and design, construction and material stock.
References [1] YAN Ling, LIU Yuanyuan, in: Research on Accountability Basis Determination of Agent in Government Investment Project A Perspective of Contract Risk Responsibility Allocation, submitted to Journal of Chongqing Jiaotong university(Social Sciences Edtion): Vol. 11 No.6 [2] Terry Lyons, Martin Skitmore, in: Project risk management in the Queensland engineering construction industry: a survey, submitted to International Journal of Project Management; 22 (2004)51-61 [3] Ahmet 0ztas,Onder Okmen, in: Judgmental risk analysis process development in construction projects, edited by Building and Environment 40 (2005) 1244-1254
[5] ZHANG Shuibo, HE Bosen, in: Allocation and Sharing of Construction Risks Between Contract Parties, submitted to Journal of Tianjin University (Social Sciences)

Experiment Procedure The materials tested were D grade 25CrMnVA steels, with a chemical composition (wt%):C 0.22%, Si 0.23%, Mn 0.93%, P 0.011%, S 0.005%, Cr 0.89%, Ni 0.015%, Cu 0.014%, V 0.04% and Fe being the balance.
Zhou: Materials China, Vol. 28(2009)No.2, p.14-18.
Kim: The Journal of Supercritical Fluids, (1992)NO.5, p.296-302
Gao: Corrosion Science, (2011)No.53, p.557-568
Lu: Journal of University of Science and Technology Beijing, Vol. 32(2010)No.2, p.213-218.

Color figures are welcome for the online version of the journal.
Journal of Jiling University (Earth Science Edition).
Journal of Environmental Management.
Journal of Hazardous Materials.Vol.181(2010), p.281-288
Journal of Environmental Management.

Tommy Hasan Abadi1,e, Naufal Fiego Fadhlullah1,f, Erma Surya Yuliana1,g, Muladi3,h, Yoyok Adisetio Laksono1,i 1Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang, Jl.
Semarang 5 Malang 65145, Indonesia 2Centre of Advance Materials for Renewable Energy, Universitas Negeri Malang, Jl.
Nurhayat, “Automatic Water Quality Monitoring System With Real- Time Data Type Based on Internet of Things ( IOT ) for Vannamei Shrimp Farming,” Urecol Journal.
Mahesh Dumbere, “Water Quality Monitoring System Based on IoT,” International Journal of Advanced Research in Science, Communication and Technology, pp. 744–751, Nov. 2024, doi: 10.48175/IJARSCT-22300
Sekarsari, “RANCANG BANGUN MONITORING TOTAL DISSOLVED SOLIDS PADA AIR TANAH BERBASIS IoT,” EPIC Journal of Electrical Power Instrumentation and Control, vol. 4, no. 2, p. 149, Dec. 2021, doi: 10.32493/epic.v4i2.1491.

Materials and methods Study site is located in Jiangshanjiao forest farm, Heilongjiang, China (lat 43°44'50" ~ 43°54'12" long 128º53'16 ~ 129°12'42").
Acknowledgements This work was financially supported by National Forestry Bureau of China (201104070－01), Scientific and Technological Administration Bureau of Heilongjiang province of China (GA09B202-02), China postdoctoral science foundation (2005037637) and postdoctoral science research foundation of Heilongjiang province (LBH-Q07006) References [1] Wang SL, Liu DX and Zhong CQ: Scientia Silvae Sinice.
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