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The reliability of cutting tool is generally weakened due to their material properties, environment, using time, various loads, and other factors.
References [1] Bjerager P, Krenk S: Journal of Engineering Mechanics, ASCE(1989)
[3] Wang Xingang, Zhang Yimin and Wang Baoyan: submitted to Part C, Journal of Mechanical Engineering Science (2009)
[4] Zhang YM, He XD, Liu QL, Wen BC: Journal of Mechanical (2005)
[5] Zhang Y M, Liu Q L and Wen B C: Journal of Engineering Design (2004).

Spinning Process Spinning Material and Process.
References [1] Hong Song, Shoo-bin Wang and Xiao-mei Wang, Journal of Xi’an University of Engineering Science and Technology. 17(2003)291-295, in Chinese
[4] Cheng-wen Lou, Textile Research Journal. 75(2005)466-473
[5] K.B.Cheng and M.L.Lee, Textile Research Journal. 71(2001)42-49
,etc., Textile Research Journal. 72(2002)61-70.

For example, the use of special materials of the substrate, loading short circuit probe on antenna, opening slot on radiation patch which can make equivalent length longer than physical length.
Chinese Journal of Radio Science, 2001, 16(4): 419-421
Microstrip antenna Theory and Applicatio n[ M] XI’AN: Publishing house of Xian Electronic Science and Techno log y Univ ersit y, 1991
A compact microstrip antenna with ports sealed and its analysis by cavum model .Chinese Journal of Radio Science，2007,22(5):880-883

Introduction The protection capability of the modern warships has been improved obviously due to the application of the high strength shell material, multilayer armor with liquid as well as multiple compartment structure.
Material Height of burst [mm] Front target [mm] Water [mm] Back target [mm] 1 Steel 200 1 150 6 2 Steel 200 2 150 6 3 Steel 200 3 150 6 Experimental Results.
Acknowledgements This research is supported by the National Natural Science Foundation of China (No.11032003) and National Basic Research Program of China (Grant No. 2010CB731600).
Hu: Chinese Journal of Explosives & Propellants, Vol. 27 (2004) No.4,p.21-25.
Ju: Journal of Beijing Institute of Technology, Vol. 29 (2009) No.3,p.197-200.

A wet-dry spinning technique was employed, using a tube-in-orifice spinneret, water was used as the inside coagulation agent. 2 Materials and methods 2.1 Reagents Table1 list the reagents together with their models and providers.
Material Configuration Swirl to Disperse Static Defoaming Pre-evaporation Filter and Extrusion Solidification Winding Soaking Fig. 1 Production process flow diagram of hollow fiber membrane 1. spinning tank; 2. filter; 3. metering pump; 4. filter; 5. spinneret; 6. coagulation bath; 7. water bath; 8. winding Fig. 2 The engineering flow sheet of hollow-fiber membrane production 2.3 Performance test of the hollow-fiber UF membrane 2.3.1 Porosity of the hollow-fiber UF membrane Porosity of UF membrane is a comprehensive index to reflect the size and the number of hole in membrane.
Comprehensively considering the appearance size and tenacity of the membrane filament, the best water flux of central tube in spinneret is 20 ml/min. 5 Acknowledgements This work was supported by Natural Science Foundation of Shandong Province, China(Grant No.ZR2010BQ006), Qingdao Science and Technology Support Plan(Grant No.11-2-3-17-nsh) and Experimental Technique Projet of Qingdao Agricultural University(Grant No.SYKT10-13).
Microporous polypropylene hollow-fiber membranes[J].Journal of Membrane Science, 214:71-81
Journal of Membrane Science, 1985,Volume 22:199–215.

Table 1 shows the rock material properties.
The rock adopted the linear Drucker-Prager model, The Drucker–Prager yield criterion is a pressure-dependent model for determining whether a material has failed or undergone plastic yielding.
Rock Mechanics and Mining Sciences. 39 (2002),p.491-505 [5] Kou, S.Q., Liu H.Y., Lindqvist, P.
Rock Mechanics and Mining Sciences. 41(2004), p.460 [6] Gong Q.M. , Zhao J. , Hefny A.M.: Numerical Simulation of Rock Fragmentation Process Induced by Two TBM Cutter and Cutter Spacing Optimization, Tunnelling and Underground Space Technology Journ. special issue., vol. 21, num. 3-4 (2006), p. 1-8 [7] JI Changming, ZHANG Zhuanghuang，YE Dinghai， the influence of the disc cutter space on rock’s jump break coefficients， Journal of basic science and engineering，vol.16 (2008), p.255-263（in chinese） [8] O.
Journal of Rock Mechanics and Mining Sciences, 46 (1) (2009), p. 8-18 [11] SONG kezhi,WANG benfu: Operation principle analysis of disc cutter on TBM.

Material Dried yeast powder (Angel Yeast Co., Ltd).
Journal of Wuhan University of Technology, 2009, 19 (31): 63 ~ 66
Journal of Anhui University of Technology and Science, 2008, 23 (1): 23 ~ 25
Journal of Huaibei Coal Industry Teachers College (Natural Science). 2009, 30 (3): 29 ~ 31
Journal of China University of Science and Technology, 1982,12 (1): 113 ~ 119.

Journal of Membrane Science, 2017, 528:231-242
Membrane materials in the pervaporation separation of aromatic/aliphatic hydrocarbon mixtures-A review [J].
Polymer Journal, 2012, 44(10):1036-1041
Science China(Physics,Mechanics & Astronomy), 2016, 59(12):124211
Journal of Membrane Science 1996; 118:223-230

In the studied area, the main soil types in loess parent material developed cinnamon soil, deep soil, tillage good.
The natural vegetation is destroyed, cultivate breed index is high, land use types to slope farmland, orchard, Guo Mu, retreat return n cultivated land forest land and forest land compound mainly. 2 Materials and methods Selection includes different agricultural landscape slope from top to the bottom of the slope, agroforestry models were: Wheat ( start test have been harvested ), apple orchards, apple - alfalfa intercropping, retreat return n cultivated land forest and Robinia pseudoacacia Plantation ( see Figure 1, figure number length ).
Beijing science press, 42-68 [11] Yang wZ, Yu Cunzu. 1992. the regional governance and evaluation of loess plateau., Beijing: Science Press, 190-297 [12] Zhu Zhicheng. 1993. the basic conditions of vegetation in loess plateau of Northern Shaanxi and its effect of soil properties [j].
Journal of plant ecology and botany, 17 (3): 280-286 [13] Andrew W W, Günter B, Rodger B G.1998.Geostatistical characterization of soil moisture patterns in the Tarrawarra catchment .Journal of Hydrology, 205:20-37 [14] Cambardella C A, Moorman T B, Novak J Metal.1994.Field-scale variability of soil properties in central Iowa soils.
Soil Science Society of America Journal, 58:1501-1511 [15] Crave A and Gascuel-odux C. 1997.The influence of topography on the time and space distribution of soil surface water content.

A Simple Numerical Solution Procedure for Equations of Nonlinear Finite Element Method Songbai Cai1, a, Dazhi Li1,b,Changwan Kim2,c and Pusheng Shen3,d 1College of Resources and Environmental Science, Hunan Normal University, Changsha, P.
All the elements of the dome have the same cross section and material property of elastic modulus .
Journal of Hunan University, 27(3), (2000), 86-91
Journal of Applied Mechanics, 39(1972)1060-1065
Journal of Structural Engineering, 118(1)(1992)169-185