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HNO₃, H₂SO₄ Cellulose Nitrocellulose Fig. 1: Reaction of synthesis nitrocellulose Experimental Details Materials.
Yang, Novel Nitrocellulose Made from Bacterial Cellulose, Journal of Energetic Materials 28(2) (2010) 85–97
Fadeev, “Raincoat for explosives”: Surface chemistry approach to control wetting of nitrocellulose with nitroglycerin, Journal of Colloid and Interface Science 547 (2019) 145–152
Wythers (Eds.), Advances in Materials Science Research, Nova Science Publishers Inc., 2012, pp. 201-220
Taylor, A review of the synthesis, chemistry and analysis of nitrocellulose, Journal of Energetic Materials 8(3) (1990) 149-203

Mechanical parameters such as hardness and elastic modulus are useful to characterize the quality of materials.
When the feature size of the materials reaches the nano/submicron-scale, these conventional methods can not be suitable.
Li: International Journal of Molecular Sciences.
Pharr: Journal of Materials Research.
Shi: Journal of Materials Science.

A number of researchers have studied on the stress [2, 3], various materials [4, 5] and manifold shapes [6].
The model made by photoelastic materials can product birefringence phenomenon when it withstood loads at room temperature and the birefringence phenomenon will disappear when the loads lost.
A study on the contact stresses of square ring under uniform squeeze rate and internal pressure by photoelastic experimental hybrid method, Journal of Mechanical Science and Technology, Vol. 26 pp. 2617~2626, 2012
Experimental evaluation of stress field around the sharp notches using photoelasticity, Materials and Design, Vol. 32 pp.561~569, 2011
Experimental determination of stress field parameters in bi-material notches using photoelasticity, Materials and Design, Vol. 32 pp.4901~4908, 2011

Materials and Test Method Materials.
It also can be used to compare and select materials and optimize mix proportions.
[2] Leung Christopher K.Y., Lee Augustus Y.F., Lai Raymond: Journal of Materials in Civil Engineering, Vol. 19 (2007)p.4-218 [3] Leung, Christopher K.Y., Asce, M. , Lee, Augustus Y.F.
,et al: Cement and Concrete Research, Vol.36 (2006)p. 740-748 [4]Cai Yuebo, Ding Jiantong, Chen Bo, et al: Journal of Southeast University ( Natural Science Edition ).
Vol. 40 (2010)p. 171-175 [5] Ding Jiantong, Chen Bo, Cai Yuebo, et al: Journal of Jiangsu University(Natural Science Edition), Vol. 32 (2011)p. 236-240

Rusin, Abrasive wear-out of steels after combined shock-wave and laser treatment, Journal of Friction and Wear, 4(11) (1990) 656-659
“Fundamental Science and Technologies - Advanced Developments”, North Charleston, USA, 2 (2015) 162-163
Journal of Manufacturing Science and Engineering, 6(140) (2018) 061013
Jordan Journal of Mechanical and Industrial Engineering, 1(11) (2017) 13-19
Metal Science and Heat Treatment, 3-4(59) (2017) 173-175.

The Similar Skill and Scale When model test of the conveyance-water tunnel in soft soil is carried out, selection of the test materials is the main.
Here if the assumptions used here organic glass tunnel to carry out test simulation, prototype and model under the elastic modulus (bulk modulus) than as a principle on the need to use the elastic modulus (bulk modulus) materials with lower Simulation of soft soil (such as gelatin) and water tunnels.
Summaries Based on the specific selection of test materials and derivation of similar formula, a similar skill of model test on the water-conveyance tunnel is proposed.
Acknowledgments This work was funded by the National Natural Science Foundation of China (No. 50209002).
Journal of Yangtze River Scientific Research Institute, Vol. 19 Supp.( 2002), p. 71-74

Materials and test methods Raw materials (1) Cement (C): P.O42.5, Lafarge cement, is used in this experiment.
(2) Use water as little as possible to reduce cement and cementitious materials
It is shown in the case of low gelling materials, need to increase the amount of the superplasticizer to achieve good workability.
Amount of P.O42.5 cement is controlled at less than 220 kg/m3 ,cementitious materials in the 283 to 367kg/m3
used in bridge , Journal of Southeast Univwrsity(Natural Science Edition), (2002-05) [7] Ai Hongmei, Bai Xuejiao: High-performance concrete shrinkage cracking and Countermeasures , Ready-Mixed Concrete, (2010-10) [8] An Mingzhe,Zhu Jinquan, Tan Weizu, Ma Yafeng: Study on Fly Ash Restraints on the Early Shrinkage of High Performance Concrete and Its Mechanism , China Railway Science, (2006-04)

Vacuum insulation panel is the one type of the insulation materials.
Insulation materials of VIPs core are generally porous materials, such as powdered silica, foam aerosols and openings [6].
Since core materials are porous materials, and have a very small contact area, the occurrence of heat conduction can be reduced [7,8].
SUN: Science Press, Bei Jing, 1981 [3] Davy, J.L: Journal of Sound and Vibration, Vol. 107(1986), p. 373
WEI: New Building Materials, Vol. 8(2006), p. 49

Acknowledgments The authors would like to acknowledge the National Natural Science Foundation of China (the Grant Number 61106110，51105263，51105262), the National Project (the Grant Number 2012AA040404, 2011AA040401, 2011AA040404, 2012AA041201, 2011ZX04013-012), the National Science Foundation for Post-doctoral Scientists of China (the Grant Number 2012M511316), and the Jiangsu Postdoctoral Sustentation Fund (the Grant Number 1102162C).
Davim, Journal of Materials Processing Technology. 128, 100-105 (2002)
Sklad, Journal of Materials Processing Technology. 83,151-158 (1998)
Lau, Journal of Materials Processing Technology. 102, 25-29 (2000)
Aksoy, Journal of Materials Processing Technology. 164-165, 862-867(2005) 抱歉，系统响应超时，请稍后再试 · 支持中英、中日在线互译 · 支持网页翻译，在输入框输入网页地址即可 · 提供一键清空、复制功能、支持双语对照查看，使您体验更加流畅

Spare parts are a kind of protective materials for normal equipment maintenance and emergency treatment.
Introduction Equipments are the basic materials of production.
Spare parts are a kind of protective materials for normal equipment maintenance and emergency treatment.
Spare parts are the protective and essential materials of production.
Conclusions Spare parts management is different from the management of other materials used in production.