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The planting hole control body (PHCB) was made of 4 kinds of components (local arbor, bagging material, filling material and its thickness, membrane material).
, local arbor, bagging material, membrane material, filling thickness respectively; X31, X32 and X33 express three dummy variables of the soil texture; X41, X42 and X43 show three dummy variables of filling material; X51 and X52 represent two dummy variables of the local arbor; X61 and X62 are two dummy variables of bagging material; X71 and X72 are two dummy variables of membrane materials.
Journal of the Engineering Mechanics Division.
Journal of Shandong Agricultural University (Natural Science).
P'I'CA (Part B: Chemical Analysis) Vol.37, No. 10, (2001), p. 454-456 [9] Multiple Variance Analysis, in: Multivariate Statistical Analysis, edited by zhifa Yuan and Shide Song, chapter, 3, Science Press, Beijing (2009) [10] Path Analysis, in: Regressive Design and Multivariate Statistical Analysis, edited by Houyi Bai, chapter, 6, Guangxi Science &Technology Press (2003)

As to the orthotropy of metal materials, in recent years, people who work on metal deformation processes and metal forming pay extensive attention to it, for example references [4-7].
Chen: Journal of University of Science and Technology Beijing Vol.16 (1994) No.1, p.53.
(In Chinese) [4] F. barlat: Journal of mechaniacl physics solids Vol.45 (1998) No.11, p.1727 [5] P.F.
Wang: Journal of Plasticity Engineering Vol.10 (2003) No.5, p.76 (In Chinese) [7] J.
Shan: Materials Research and Application Vol.4 (2010) No.2, p.89 (In Chinese) [11] T.Z.

Introduction Nanastructured WC/12Co coating is a kind of important nano-coating materials, which has attracted considerable attention in machinery manufacturing, petrochemical engineering, aerospace, geological exploration and other fields due to its high bonding strength, high rigidity, good oxidation resistance, good corrosion resistance and good wear resistance [1-3].
Diamond cutter is the most commonly used to machining nanastructured ceramic coating material.
Acknowledgements This research derives from the National Natural Science Foundation in China (No. 50775069 & 50875225).
Cheng, etal: Journal of the Chinese ceramic society, Vol. 30 (2002) No.2, p. 235
Deng: Journal of Hunan Unibersity(Natural Sciences), Vol. 35(2008) No.9, p. 33

Experimental Materials Titanium tetra-isopropoxide (TTIP) (purity >98%, Nanjing Daoning Chemical Reagent factory, China), ethanol absolute (analytical grade) and glacial acetic acid were used without any further purification.
Egerton: Materials Chemistry and Physics, Vol.133(2012), p.304-310
Wang: Colloid Journal, Vol.70(2008), p.26–32
Kochkar: Journal of environmental sciences, Vol.23(2011), p.860-867
Zhang: Materials Chemistry.

Application of Reverse Engineering Technology Based on Linear Scanning on Food Packaging Chunsheng Tao1,a 1School of Material Science and Mechanical Engineering Beijing Technology and Business University Beijing, China,100048 ataocs163@163.com Keywords: Reverse Engineering, Food Packaging, Linear Scanning, Model Abstract: The concept, processes and research status of reverse engineering are introduced.
There is no special requirements for the materials and reflective of the measured object.
It is not affected by the material and thickness of the object.
The model generated by the point cloud data is formed by surface not material.
Supported by the Research Foundation for Youth Scholars of Beijing Technology and Business University (QNJJ2011-36 ) Reference [1] C.S.Tao, Q.Bai, S.B.Ma, Research on Modeling for Vinegar Bottle by Reverse Engineering Based on Linear Scanning, Journal of Beijing Technology and Business University (Natural Science Editon), 5(2012) 88-91(in Chinese)

Supri2,b and Firuz Zainuddin1,c 1School of Materials Engineering, Universiti Malaysia Perlis (UniMAP), Kompleks Taman Muhibbah, Jejawi 2, 02600, Perlis, Malaysia. 2Fakulty of Engineering Technology, Universiti Malaysia Perlis (UniMAP), Kampus Utama, Pauh Putra, 02600, Perlis, Malaysia.
Introduction A renewable natural organic fibers act as reinforcing materials which are biodegradable and ecofriendly for the use of glass or carbon fiber and inorganic fillers.
“Comparison and application of the experimental methods for multi-layer prediction of acoustical properties of noise control materials in standing wave-duct systems,” Applied Acoustics 69, 847-857
“Influence of nanoclay on properties of HDPE/wood composites” Journal of Application Polymer Science, 103, 3056
G. (2010) “Nanoclay-Reinforced, Polypropylene-Based Wood–Plastic Composites,” journal of Polymer Engineering and Science, 3 [10] Jie R., Yanxia H., Yan L., and Xiaozhen T. (2005).

Because of low rigidity in processing system and heterogeneous materials, it’s inevitably some vibration between work pieces and cutters.
Acknowledgement This paper was supported by “National Natural Science Foundation of China (50975067)”.
[2] C.H.Che-Haron: Journal of Materials processing Technology, 2001, 118: 231-237
[3] E.O.Ezugwn, Z.M.Wang: Journal of Materials processing Technology, 1997, 68: 262-274
Xi’an Electronic Science and Technology University Press, 2005: 286-203.

Large-sized one-way materials can be prepared by a method similar to that of oriented fiber-reinforced composites [13].
However, the preparation method for materials with a thickness equivalent to that of the adhesive layer still needs further exploration [14–20].
Kang, A mechanically one-way material Science (1979) 380 (2023) 135–135
Ishida, Mechanical nonreciprocity in a uniform composite material Science (1979) 380 (2023) 192–8
Liu, Analysis of Functionally Graded Material Structures Based on Isoparametric Graded Element Journal of Nanjing University of Aeronautics \& Astronautics 53 (2021) 551–61

Introduction Meltblowing is a simple, versatile and one-step process for the production of materials in the micrometer and smaller scale.
Materials and Methods Materials: PP polymers of 100 and 1000 melt flow index (MFI) in pellet form, were prepared by chain scission of the base polymer (Moplen 241R (Lyondellbasell) with a MFI of 30) using the radical initiator (i.e. combination of 2, 5 dimethyl hexane and 2, 5 bis(tert-butyl peroxide) commonly known as DHBP) in an extruder [8].
Journal of Applied Polymer Science, 2002. 83(6): p. 1280-1287
Advanced Materials Research, 2012. 472: p. 1294-1299
Journal of Applied Polymer Science, 2004. 91(4): p. 2711-2720

Experimental Al(OH)3 materials were synthesized by hydrolysis method using al dross.
Recycled Al(OH)3 were used additive materials in SCR catalyst.
Other oxides materials were expected catalyst strength reinforcement as well as reduces poisoning of SO2/SO3.
Journal Vol. 40 (2005), p. 335-338 [2] Yuanjing Zheng, Anker Degn Jensen and Joakim Reimer Thogersen: Applied catalyst.
Journal Vol. 83 (2008), p. 186-194 [3] Ham,S.W., Choi, H.