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The material of sandbag sand barrier is Poly Lactic Acid.
Material and methods Experimental design.
Vol. 37 (2001), p. 254-260 [3] Li xue-mei: Hunan Forestry Science and Technology.
Vol. 32 (2012), p. 55-59 [8] LI Ning，LIU Xue-qin，ZHANG Peng, et al: Journal of Natural Disasters.
Vol. 5 (2005), p. 329-335 [12] Dong Zhi, Li Hongli, Wang Ji, et al: Science of Soil and Water Conservation.

The obtained results enable to establish the sintering parameters, which are indispensable for processing of materials with advanced required properties. 1.
INTRODUCTION It is well known that ceramic materials are strongly dependent on their microstructure.
This research has been supported by the projects: "Synthesis of functional materials according to "synthesis-structure-property-application" relationships" and “Magnetic, optical and dielectric properties of crystalline and amorphous systems” financed by the Ministry of Science, Technology and Development, Republic of Serbia.
Beddow Particulate Science and Technology Chemical Publishing Co.
Phillips, C/C++ Users Journal, Miller Freeman Inc., Vol. 13 No. 11, (1995) , Vol. 14 No. 4, (1996)

Zeng ShaoLun (2009) defined the evaluation index of CFPP on the basis of the material flow analysis (MFA).
There is almost no research in evaluation index that combines substance flow and value flow in the material cycle process of CFPP.
With the circulation of material and energy resources, the comparison relationship between value flow and material flow has permeated each of quantity centers in CFPP.
Environmental Science and Management, vo1.32, pp.18-20, June 2007 [4]Xiao Xu, Jin Youliang.
International Journal of Operations and Quantitative Management, 1999, (1)59-72

Heat treatments are vital for many alloys in industry, notably to homogenize materials among other effects, but may have significantly different effects on additively manufactured alloys.
Guo, “Microstructure evolution characteristics of Inconel 625 alloy from selective laser melting to heat treatment,” Materials Science and Engineering: A, 705, 20–31 (2017)
“Microstructure Evolution, Mechanical Properties and Deformation Behavior of an Additively Manufactured Maraging Steel,” Materials, 13, 2380, (2020)
Wicker, “Characterization of Inconel 625 fabricated using powder-bed-based additive manufacturing technologies,” Journal of Materials Processing Technology, 264, 200–210 (2019).
Dey, “Fracture behavior of Alloy 625 with different precipitate microstructures,” Materials Science and Engineering: A, 574, 86–93 (2013).

Evolution of Al2O3 Scale Formed on Ni-Al-Pt Alloy in Atmospheres Containing Water Vapor Mitsunari Auchi1,a, Shigenari Hayashi2,b, Toshio Narita3,c and Shigeharu Ukai2,d 1 Division of Materials Science and Engineering, Graduate School of Engineering, Hokkaido University, Kita-13 Nishi-8 Kita-ku, Sapporo 060-8628, Japan 2 Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Kita-13 Nishi-8 Kita-ku, Sapporo 060-8628, Japan 3 Center for Advanced Research of Energy and Materials, Faculty of Engneering, Hokkaido University, Kita-13 Nishi-8 Kita-ku, Sapporo 060-8628, Japan aauchi@eng.hokudai.ac.jp, bhayashi@eng.hokudai.ac.jp, cnarita@eng.hokudai.ac.jp, ds-ukai@eng.hokudai.ac.jp Keywords: Ni-Al-Pt; Alumina; Water vapor; Cyclic oxidation; Metastable alumina Abstract.
Pettit, Metallurgical and Materials Transactions A 30, 2905-2913 (1999)
Hayashi, Journal of Materials Science 44, 1704-1710 (2009)
Grabke, Corrosion Science 33, 1677 (1992)
Quadakkers, Materials and Corrosion 61, 838-844 (2010).

Computer simulation of temperature field for Be/HR-1 stainless steel by diffusion bonding Hui Li 1, 2, a, Shangqi Zhou 1, b, Jinming Fang 1, c 1College of Materials Science and Engineering, Chongqing University, Chongqing 400044,China 2Chongqing Academy of Metrology and Quality Inspection, Chongqing 401123, China aLihui@cqu.edu.cn, b1951zsq@163.com, cFjm@163.com Keywords: temperature field, computer simulation, diffusion bonding, Be, HR-1stainless steel Abstract.
Experiments Materials and Specimens Beryllium specimens are made of hot-pressed beryllium, which contains 0.61% BeO, 0.027% Be2C and 0.08% Fe.
[2] Xu Di, Ling Xiang: Materials Science ForumVol. 575-578(2008), p.666
[3] Karfoul M.Kamal, Tatlock Gordon J,Murray Robert T: Journal of Materials ScienceVol. 42(2009), p. 5692
[4] Tingfai Kong, Luenchow Chan, Taichui Lee: Materials and Manufacturing ProcessesVol.4(2009), p.422

Assessment of Tobacco Specific Nitrosamines in Tobacco Genotypes Peiguo Guo1, a, Yanshi Xia1, Ronghua Li1, Yonghua Lü2, Miaowen Qiu3, Weichai Zhao3 and Yiwen Yu1 1College of Life Sciences, Guangzhou University, Guangzhou 510006, China 2 Guangdong Tobacco Monopoly Administration, Guangzhou 510610, China 3 Nanxiong Research Institute of Guangdong Tobacco Co., Nanxiong, Guangdong 512400, China aemail: guopg@yahoo.com or guopg@gzhu.edu.cn Keywords: Tobacco; Germplasm; Tobacco-Specific Nitrosamines (TSNAs).
For this purpose, 8 genotypes (include burley, sun-cured and flue-cured tobacco) were selected as materials, the TSNAs contents of uncured and cured leaves were assessed with LC-MS/MS.
Material and Method Tobacco Material Eight genotypes with three types of tobacco listed in table 1 were kindly provided by Nanxiong Research Institute of Guangdong Tobacco Co.
Acknowledgments This study was supported by the grants from the State Tobacco Monopoly Administration and China National Tobacco Corporation (2010[99]18), the Science and Technology Planning of Guangdong Tobacco Monopoly Administration (200903).
Tobacco-specific nitrosamines, European Journal of Cancer Prevention, Vol. 5 (1996), p33-38

The paper gives an assessment of the possibility of using local mineral raw materials to create foundry alloys that are operated under natural low temperatures.
One of the primary tasks in ensuring the operability of machines and structures at low temperatures is the using of cold-resistant materials [6-10].
The purpose of this work is to evaluate the possibility of using local mineral raw materials (natural alloyed iron ore) for the production of cast alloys for low-temperature purposes.
Materials and Experimental Procedure The raw materials for melting the alloy are ferromanganese ore, selected on the territory of the Lena - Amginsky interfluve, which is part of the Lena ore field (the territory of Central Yakutia), in particular, the ore occurrence in the upper reaches of the Munduruchu river (left tributary of the Amga river).
Series: Earth and Environmental Science. 87 (2017) 1-7.

The materials exhibiting this phenomenon are known as ‘Luminescent materials’ or ‘Phosphors’ meaning ‘light bearer’ in Greek.
The Bologna stone was thus among the first luminescent materials and the first scientifically documented material to show persistent luminescence.
By the end of the 1700s, a number of minerals and pottery materials were known to exhibit ML.
Recently, sulfide materials have regained interest due to their ability (in contrast to oxide materials) to provide a broad band, Eu2+ based red emission for use as a colour conversion material in white-light emitting diodes (LEDs).
Hist. of Science 27(4) (1992) 409-419

The related logistics businesses belong to other different departments, such as purchasing, transportation, material handling, storage and distribution.
(2) Weak control of logistics business Since it responses to the production and selling demand of the Dongfeng Groupautomatically and passively, the company has a strong dependence and high business risk, and usually has the consequences of material backlog, material failure and price fluctuation
Modern logistics of Manufacturing Enterprises[J].Journal of Chongqing College of Electronic Engineering, 2009, 2:37-39(In Chinese) [2] Francesco A., Francesco B., Ciro C., et al.
Journal of Materials Processing Technology,2003,138:372-278 [4] Xu Xingli, Song Yuchuan, Liu Fei, Lv Xianjing.
Logistics Mode in Customizedassembling Enterprise Cluster and information platform [J].Modern Manufacturing Engineering, 2007,5:28-31(In Chinese) [5] Yang Touping.A Dissertation Submitted in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in Management[D].Huazhong University of Science and Technology, 2008 (In Chinese)