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The Effect of Calcium-Based Salt on Hydrothermal Carbonization of Corncob Promporn Reangchim1, a, Kamonwat Nakason2,b, Nawin Viriya-empikul3,c and Apiluck Eiad-ua1,d * 1College of Nanotechnology, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, 10520 Thailand 2Department of sanitary engineering, Faculty of Public Health, Mahidol University, 420/1,Ratchawithi RD., Ratchathewi, Bangkok, 10400, Thailand 3The Thailand Research Fund (TRF), Phaholyothin Road, Samsan Nai, Phyathai, Bangkok 10400, Thailand aPreangchim@gmail.com, bkamonwat.n@gmail.com, cv.nawin@gmail.com, d*apiluck.ei@kmitl.ac.th Keywords: Calcium-based salts, Hydrothermal-carbonization, Corncob, Hydrochar Abstract.
Characterization of solid product Hydrochar was analyzed for morphology, functional group, cellulose phase and contents of carbon by Scanning Electron Microscopy(S-3400N, Hitachi, Japan), Fourier transform infrared spectroscopy (Thermo Scientific Nicolet 6700 FT-IR Spectrometer, Thermo Scientific, USA), it was performed in the infrared spectra of 4000-400 cm-1 based on the attenuated total reflectance (ATR) method at 64 scans for a resolution of 4 cm-1, X-ray Diffraction (D8-ADVANCE, Bruker, Germany), the XRD spectra was observed from 10 to 80° at a scan rate of 2.4°/ min and elemental analyzer (LECO CHNS628, LECO, USA) respectively.
Baratieri, “Hydrothermal Carbonization of Biomass: Design of a Batch Reactor and Preliminary Experimental Results”, CHEMICAL ENGINEERING TRANSACTIONS, vol.37, pp. 55-60, 2014
[8] Hu, B., Wang, K., Wu, L.H., Yu, S.H., Antonietti, M., Titirici, M.M., Engineering carbon porous materials from the hydrothermal carbonization process of biomass.
Ignjatović, “XRD Analysis of Calcium Phosphate and Biocomposite Calcium Phosphate/Bioresorbable Polymer”, Materials Science Forum, vol.518, pp. 507-512, 2006

Research on Numerical Simulation and Theoretical Method of Water Resources Carrying Capacity Lijuan Li1,a*, Shanyong Li2,b 1School of Surveying & Land Information Engineering, Henan Polytechnic University, Jiaozuo Henan, China 2School of Architecture & Arts, Henan Polytechnic University, Jiaozuo Henan, China 3Biological and Envirionmental Sciences, Concordia University alilijuan888@126.com, blishanyong2008@126.com Keywords: Economic management; Water Resources Carrying Capacity; Water Resources Ranagement Abstract.
Henan province is a large province of Waterscape tourism resources, whether it is the cultural resources or natural resources are very rich, at the same time with the advance of "Zhongyuan city group" concept, around the city will be the development of the Waterscape tourism industry on the agenda, as the implementation of the development strategy of "Waterscape Tourism Province" in Henan province.The research of water resource carrying capacity involves complex large systems including society, economy and environment.In this system, there are not only natural factors, but also social and economic factors. 2.
It is hoped that other cities can learn advanced management experience from these cities and make good use of water resources.Jiaozuo water change have increased, especially through the city the south-north water diversion project, it is of great benefit to the improvement of the urban hydrologic landscape, is also in urgent need of using good resources effectively, at the same time, because such as the Yuntai mountain scenic area and the blue river scenic area have vigorously launched landscape tourism, make Jiaozuo hydrological landscape very good use of resources.
[5] Falkenmark M, Lundqvist J.Towards water security: political determination and human adaptation 　crucial.Natural Resources Forum, 1998, 22（1）: 37-51

High-Temperature Corrosion-Fatigue Behavior of Ductile Cast Irons for Exhaust Manifolds Applications Shengmei Xiang1,a*, Baohua Zhu2,b, Stefan Jonsson1,c 1Mechanical Metallurgy, Materials Science and Engineering, Royal Institute of Technology, SE-100 44, Stockholm, Sweden 2Scania CV AB, SE-151 87, Södertälje, Sweden ashengmei@kth.se, bbaohua.zhu@scania.com, cjonsson@kth.se Keywords: corrosion fatigue, ductile cast iron, high-temperature oxidation, controlled atmosphere Abstract.
In argon, the crack tip advances by graphite-to-graphite linking in both materials.
Fatigue cracks advances by growth in oxides in front of the crack tip.
No deep oxides form and fatigue cracks advance by graphite-to-graphite linking, as in argon.
Tholence, Mats Norell, High-Temperature Corrosion of Cast Irons and Cast Steels in Dry Air, Mater. sci. forum. 369-372 (2001) 197-204

Effect of High Energy Ball Milling Washing Process on Properties of Nd2Fe14B Particles Obtained by Reduction-Diffusion Vitalii Galkin1,2,3,a, Kamran Haider2,3,b, Jongbin Ahn2,3,c and Dongsoo Kim2,3,e,* 1Materials Science and Engineering Department, Peter the Great Saint Petersburg Polytechnic University, 29, Polytechnicheskaya, St.
Kim, Aerosol Synthesis and Growth Mechanism of Magnetic Iron Nanoparticles, Materials Science Forum 534-536 (2007) 9-12
Tolochko and Li-Da, Preparation and characterization of magnetic Fe, Fe/C and Fe/N nanoparticles synthesized by chemical vapor condensation process, Reviews on Advanced Materials Science 5 (2003) 487-492
Hadjipanayis, Submicron R2Fe14B particles, AIP Advances 6 (2016)

Kong, International Journal of Impact Engineering, 76, 232 (2015) [17] Y.Y.
Chen, International Journal of Impact Engineering, 36, 651 (2009) [18] T.T.
Wadley, International Journal of Impact Engineering, 38, 837 (2011) [22] T.
Marghitu, International Journal of Impact Engineering, 86, 307 (2015) [25] M.
Zaera, International Journal of Impact Engineering, 35, 133 (2008) [29] G.

With the advent of the era of knowledge explosion , stunning speed of updating knowledge , the concept of lifelong learning as more and more people have accepted , while the Marxist Popular Education is a complex system engineering , which requires us to constantly explore learning , broaden horizons Marxist theory to explore its theoretical meaning, so that the times.
The author should indicate on the checklist if he wishes to have them printed in full color and make the necessary payments in advance.
Forum Vol. 83-87 (1992), p. 119 [2] [2] M.A.
Mishing, in: Diffusion Processes in Advanced Technological Materials, edtied by D.

X-ray diffraction(XRD) analysis was conducted on finely polished samples to determine the crystal structures of phases and texture on a Bruker D8 Advance X-ray diffractometer (XRD) using a Cu Kα radiation source with an acceleration voltage of 40 kV and a current of 40mA.
Forum 6180-619 (2009) 303-306
Luo, et al., Key Engineering Materials, Advanced Biomaterials VI 288-289 (2004) 595-598

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Popov, in: Current Trends in Chemical Engineering, edited by J.M.P.Q.
Agren: In: Advances in phase transformation, edited by J.D.
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Fredoonimehr, F. and M.M Rashidi:Advanced Powder Technology (2015), 1-12, http://dx.doi.org/10.1016/j.apt.2015.01.003 [19] A.
Adeniyan:Results in Engineering Vol. 6 (2020), 1-10
Mukhopadhyay:Mechanics of Advanced Materials and Structures, 0(0) (2018), 1-7
Xie:Mathematical Problems in Engineering, Vol 2015 (2015), 1-12
Okoya:Advances in Materials Science and Engineering Vol. 2020 (2020), 1-11

Wei, Materials Science and Engineering: A 467 (2007) 33-43
Semiatin, Materials Science and Engineering: A 425 (2006) 36-46
Langdon, Advanced Materials 17 (2005) 1599-1602
Wang, Materials Science and Engineering: A 464 (2007) 23-27
Segal, Materials Science and Engineering A 386 (2004) 269-276