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Introduction Enterprise resource planning (ERP) is an integrated computer-based system used to manage internal and external resources including tangible assets, financial resources, materials, and human resources.
Acknowledgment This work was supported by National Natural Science Foundation of P R China (Grant Nos. 50575039).
European Journal of Operational Research, 2006. 174(1): p. 23-37
"Evolutionary local search with variable neighborhood for the resource constrained project scheduling problem". in Proceedings of the 3rd international workshop of computer science and information technologies. 2003

According to relevant statistic data, construction projects in China produces 195 million tons of wasted and used materials a year, and daily discharge of urban C&D waste amounts to 27,000 tons in just a few rapidly developing cities like Beijing, Shanghai, Guangzhou, Shenzhen and Tianjin[1].
The cities in the Pearl River Delta with developed building sector and busy construction activities, in particular, Guangzhou, Shenzhen and Zhuhai, were selected as the survey object so that the experience in these cities can serve as important reference materials for implementing effective C&D waste management.
Main training courses include construction project management, construction technologies, building materials, construction site supervision, project evaluation, and construction safety.
,Yam,M.C.H:Journal of Construction Engineering and Management,Vol.134,(2008), p.972–982
Chan:Journal of Management in Engineering,Vol.27,(2010), p.190-199

Nevertheless, its high price induces many researchers in the world to find an alternative material.
Several reseacrhes have been carried out groups using bacterial cellulose (nata de coco) as a base material for fuel cell membarnes.
Chem., 17 (3), 523-530 [16] Radiman C.L., dan Rifathin A, 2013, Preparation of Phosphorylated Nata-de-Coco for PolymerElectrolyte Membran Applications, Journal of Applied Polymer Science, Wiley Periodicals, Inc. 130: 399–405
[17] Gonggo S.T., Radiman C.L., Bundjali B., Arcana I.M., 2012, Properties of polymer electrolyte membranes prepared by blending of sulfonated polystyrene-lignosulfonate, ITB Journal of Science, 44 A (3), 285-295 [18] Kreuer K.
B, 111, 8069 [22] Rahmawati S., Radiman C.L., Martoprawiro M.A., and Nuryanti S, 2020, Density functional theory (DFT) and natural bond orbital (NBO) investigation of intra/intermolecular hydrogen bond interaction in sulfonated nata-de coco-water (NDCS-n(H2O))., International Journal of Advanced Science and Technology, 29 (5s), 987-998.

Qingjiang green cabbage seeds were utilized for test material.
Liu: Journal of Agricultural Mechanization Research, (2005), p.16 (In Chinese) [3] B.
Chen: Journal of Agricultural Mechanization Research, (2005), p.66 (In Chinese) [4] T.H.
Lu: Journal of system simulation, Vol.18, 2006, p.551 (In Chinese) [9] L.Y.
Jiang: Experimental design and data processing (China building material industry publishing house, Beijin 2004)

For the boom, its material was Q345D, the axial and radial degrees of its hinge joint C were constrained while the rotational degrees were released and the rest joints were exerted with “bearing load” in accordance with table 2.
Acknowledgements This project was financially supported by National Key Technology R&D Program (Grant No. 2013BAF07B04) and National Natural Science Foundation of China (Grant No. 51075356).
“Integration Finite Element Analysis on Whole Working Equipment of Hydraulic Excavator,” Journal of agricultural machinery, 38(10):20-23
“Finite Element Analysis of Arm of Hydraulic Excavator,” Jiangsu: China Journal of Highway and Transport, 16(4):118-120
“Strength Analysis of The Excavator Bucket,” Liaoning: Journal of Liaoning university of petroleum and chemical, 27(4):45-50

(6a) (6b) where is the bed material density relative to water; is the median diameter of bed material; is the water depth; is the mean porosity; , are the velocity components along x- and y- directions, respectively; is the kinematic viscosity coefficient; is the gravity acceleration.
Acknowledgements This study was financially supported by the National Natural Science Foundation of China (Grant No. 51009059), the Fundamental Research Funds for the Central Universities (Grant No. 2010B02914), and the Special Commonweal Research Foundation of the Ministry of Water Conservancy(Grant No. 200901032).
Journal of Hydraulic Engineering, 2000, 1, 49-59
Journal of Hydraulic Engineering, 1998, 124(7), 678-686
Journal of Hydraulic Engineering, ASCE, 1984, 110(10), 1613-1641

Materials Science and Engineering A319–321 (2001) 383–387
Materials Science and Engineering A483–484 (2008) 25–32
Materials Science and Engineering A 400–401 (2005) 489–495
Progress in Materials Science 54 (2009) 839–873
International Journal of Plasticity 23 (2007) 1061–1083.

Influence of heat-treatment on high-phosphorus Ni–P plating coating Xiaojuan Wu 1,2,a, Zhengjun Liu 1,b and Guode Li 3,c 1 School of Material Science and Engineering, Shenyang University of Technology, Shenyang Liaoning, 110023, China 2 School of Material Science and Engineering, Shenyang Ligong University, Shenyang Liaoning, 110168, China 3 Experimental Center, Shenyang Normal University, Shenyang Liaoning, 110034, China as119@sohu.com, bliuzhengjun1962@163.com, cliguode@sina.com Keywords: electroless plating, Ni-P, wear resistance Abstract.
Vol. 30(2001), p. 36 [4] Wei Shen, Rizhi Deng: Materials Protection.
Vol. 28(1995), p. 4 [5] Yongzhong Zhang, Kening Sun: Journal of Functional Materials.
Stephen: Materials Chemistry and Physics.

Arif1,c 1Department of Manufacturing and Materials Engineering Kulliyyah of Engineering, International Islamic University Malaysia aakamin@iium.edu.my Keywords: Silicon, High Speed End Milling, Surface Roughness, RSM.
Foy et al. [6] indicated that with the application of the high hydrostatic pressure brittle materials could deform plastically, in turn producing continuous chips.
Komanduri, On the ductile machining of silicon for micro electro-mechanical systems (MEMS), opto-electronic, and optical applications, Materials Science and Engineering, A297 (2001) 230–234
International Journal of Machine Tools & Manufacture. 49 (2009) 315–324
Thouless, An experimental study of orthogonal machining of glass, Machining Science and Technol. 4(2) (2000) 253-275.

McDonald1,c, Kazuhiro Nogita1,d 1Nihon Superior Centre for the Manufacture of Electronic Materials (NS CMEM), School of Mechanical and Mining Engineering, The University of Queensland, St Lucia, QLD 4072, Australia 2Centre of Excellence Geopolymer and Green Technology, School of Materials Engineering, Universiti Malaysia Perlis (UniMAP), Taman Muhibbah 02600, Jejawi, Arau, Perlis, Malaysia axuan.tran@uqconnect.edu.au, barifanuar@unimap.edu.my, cs.mcdonald1@uq.edu.au, dk.nogita@uq.edu.au Keywords: Ni2SnP, intermetallics, fluidity, dross, wave solder, tin oxides.
McDonald: Materials Science Forum, Vol. 857 (2016), pp 49-52
Dahle: Materials Transactions, 49 (2008) 443-448
Furuseth: Journal of Solid State Chemistry, Vol.166 (2002) p.352-361
Furuseth: Solid State Sciences, Vol. 5 (2003) p.205-217.