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Study on the Preparation and Mechanical Properties of Starch/Fiber Cushioning Packaging Materials REN Wenming 1, a, CHENG Peifang 2, b 1College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot, 010018, China andspyrwm@126.com bpfcheng2007@163.com Keywords: potato starch, fiber, pressure-molding, packaging material, mechanical property Abstract.
Studies of starch-based biodegradable materials at home and abroad are mostly concentrated in the material blending, copolymerization, and film applications but a shortage of reports is found on materials of foaming for cushioning properties.
The comparison of mechanical properties of the studied material made up by starch and fiber with that by other materials was made as follow.
Heilongjiang Environmental Journal, 2005, 29(1): 16-18
Journal of Polymers and the Environment, 2006, 14 (2): 179 -183 [9] GB/T 6344－2008，Determination of tensile strength and elongation at break of Flexible Foaming Polymeric Materials [S].

Besides, low Z materials or low atomic number of materials also may be used as alternative due to its capability to absorb radiation and tend to avoid a decay reaction that will give rise of scattered energetic particles [4].
Boeing 747 is using 68% of aluminum on structural materials [15].
Boron and nitrogen are materials that are greatly capable to absorb the EM radiation [4, 5, 19].
However, these materials are not capable enough against cumulative EM radiation.
Siddiqui, Aircraft Materials and Analysis.

Baratta, Comparisons of Fracture Toughness Measurementsby the Short Rod and ASTM Standard Method of Test for Plane-Strain FractureToughness of Metallic Materials (E 399-78), Journal of Testing and Evaluation, JTEVA. 8 (1980) 97-102
[2] American Society for Testing and Materials.
Gladyshkin, Calculation of the blank twist angle at processing with planetary turning, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 230(18) (2016) 3298-3303
Hertzberg, Deformation and fracture mechanics of structural materials, Moscow: Metallurgy, 1989
Sergeev, Development of methods for designing structural elements made of structurally heterogeneous materials by developing physicomechanical models Strength of Materials. 4(38) (2006) 404-408

Electrochemical Sensor under Nanostructured Materials Geng Li* Inner Mogonlia Electronic Information Vocational Technical College, China, 017100 *3142198809@qq.com Keywords: Nanostructured materials; Electrochemical behavior; The sensor; Catechol.
With the development of materials science, the discovery of graphene has promoted the progress of materials.
Methodology Materials and instruments needed for the experiment.
Wu, et al., Complex nanostructures from materials based on metal–organic frameworks for electrochemical energy storage and conversion, Advanced materials. 29 (2017) 14-25
Beluomini, J.L. da Silva, A.C. de Sa, et al., Electrochemical sensors based on molecularly imprinted polymer on nanostructured carbon materials: A review, Journal of Electroanalytical Chemistry. 4 (2019) 99-104

The wetting time of fabric-foam-fabric plied materials was measured in this study.
The fabric-foam-fabric plied materials were prepared by plying polyurethane foams (non-laminated and laminated) with different fabrics.
The wetting characteristics of the plied materials would greatly affect their end uses [1, 2].
Alagirusamy, Science in Clothing Comfort, Woodhead Publishing India Pvt Limited, New Delhi, 2010
Textile Research Journal. 85 (2015) 838-849

Journal of Materials Processing Technology, 2004, 149: 633–639
Journal of Materials Processing Technology, 2002, 130–131: 396–400
Journal of Materials Processing Technology, 2002, 129: 339-344
Beijing: Science press, 1958.In Chinese
JOURNAL OF MATERIALS SCIENCE, 1997, 32: 727 – 736

Materials and Methods Reagents and Materials.
Property Examination of the Thermal-responsive Materials.
Properties of silica materials are examined by HPLC columns.
ACS Applied Materials & Interfaces, 2015, 7(21): 11155-11164
Journal of Materials Chemistry B, 2015, 3(12): 2505-2515

Pyrazole ketones were used as raw materials, to produce aminoatipyrine (AA) through methylation, nitration and reduction reaction, to form amido antipyrine (FAA) by formylation reaction.
Besides, there are about 3.5 percent of valuable materials in the impurities separated out.
First, they used high performance liquid chromatography (HPLC) method to determine related materials which influence analgin quality.
Beijing: China medical science and technology press, version 1. 1997-31
Journal of pharmaceutical industry, 1983;14 (1) : 1

Materials and Methods Materials.
All Materials selected for this project were from local sources and are indigenous of Western Australian pavement materials used in the industry.
Sue, Aggregate effect on elastic moduli of cement-based composite materials, Journal of Marine Science and Technology, 3 (1995) 5-10
Huang, Elastic modulus of concrete affected by elastic moduli of mortar and artificial aggregate, Journal of Marine Science and Technology, 4 (1996) 43-48
Uzan, Characterization of asphalt concrete materials for permanent deformation, International Journal of Pavement Engineering, 4 (2003) 77-86

Domşa, then by other Department members in Cluj, as well as from Bucharest, Timisoara, Iasi, Galati, Craiova, including within certain co-specializations (metallurgy, metal studies, physics metallurgy, metals' technology, materials' science).
The setting up, at the Technical University in Cluj-Napoca, of the first department of specialization in the materials science in Romania and of the first Faculty of Materials Science and Engineering (1990) brought new premises for research and intern and international cooperation in the domain of powders metallurgy.
Some of them: sintered magnetic materials, contact materials, heavy alloys for high voltage switches, carbonated materials (electrographitic metal-graphite, bakelite - graphite, hard carbon), and ceramics.
The Department main interests were in Powder Metallurgy and Metallic Materials.
The Department main interests were in Powder Metallurgy and Metallic Materials.