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Acknowledgments This work is partly supported by the National Natural Science Foundation of China (NSFC) (Grant No. 51175122) References [1] Yao Ligang, Gu Bing, Huang Shujiang, “Mathematical modeling and simulation of the external and internal double circular-arc spiral bevel gears for the nutation drive”, Journal of Mechanical Design, Transactions of the ASME, Vol. 132(2010) p. 0210081 [2] Zhang, Y., Litvin, F.
Theory, Vol. 30(1995), p. 1171 [3] Zhang Ruiliang, Lv Ming, Wang Tie, Li Hongyuan: Applied Mechanical and Materials, Vol.16-19(2009), p. 1253 [4] Daccak, M., Angeles, I., Gonzalez-Palacios, M: ASME J.
Sci., Vol. 218(2004), p. 1043 [6] Wu Baolin, Shao Jiahui, Meng Huirong: Journal of China Ordnance, Vol. 1(1999), p. 20 [7] Wu Baolin: ICME2000 International Conference Priceedings(2000), p. 154 [8] Wu xutang, Principles of Gear Connection (2nd Edition)(Xi’an Jiaotong University Press, CHN, 2009)

References [1] Xu Changkkun, Surface Acoustic Wave Elements and Applications, Science Publishing Inc, Bei Jing, 1984
W.P, Physical Acoustics and the Properties of solids，The Journal of the Acoustical Society of America, 28(6)(1958)1197-1206
[5] Ruan Jianfeng, Study of multi-layer diamond films for high frequency surface acoustic wave devices, Journal of Functional Materials and Devices, 12(2)(2006)91-94.

Finite element model.The finite element model for LRSC is shown in Fig.1.This paper used four-nodes quadrilateral element to mesh composite case,regarded the composite material as the orthotropic body. 1-Layer out of skirt;2-rubber;3-skirt；4-shell;5-head Fig. 1 Structure of LRSC Boundary conditions.This paper regarded the case as two-dimensional axisymmetric finite element model,analysed the LRSC,did not consider the debonding situation,restricted the axial displament of case.
Finite element model are shown in Fig.6 and Fig.7.It can be seen that,in the finite element model,change the length of skirt tip only by changing the material and contact properties.
References [1]Bing Wang,Luxian Wang,Xiao Hou,Yuanchong Zhang.Numerical analysis of local reinforcement of composite case under complicated load[J].JOURNAL OF SOLID ROCKET TECHNOLOGY,2004,27(3),216-219
Analysis of Failure and Optimization for Composite Case of Solid Rocket Engine[J].JOURNAL OF HENAN UNIVERSITY OF SCIENCE & TECHNOLOGY,2005,26(4),8-11.

A Global Fast Integral Operator Terminal Adaptive Sliding-mode Controller Lu Cao, Xiaoqian Chen, and Yong Zhao College of Aerospace and Materials Engineering National University of Defense Technology,Changsha 410073, China E-mail: caolu0206@gmail.com Keywords: Attitude Control System (ACS); Terminal; Adaptive; Integral operator Abstract: Attitude Control System (ACS) with high performance, high precision, and high reliability is the kernel technology of the research of spacecraft, which directly affects the whole performance of spacecraft.
Acknowledgements This work was supported by the National Natural Science Foundation of China (Grant No. 50975280) and the Program for New Century Excellent Talents in University of Ministry of Education of China (Grant No.
Journal of Guidance, 1989, 12(5): 714~722
Chinese Journal of Aeronautics, 2000, 21 (4):352～354

Study on the Comprehensive Evaluation of the Soil Fertility Quality of the Green Land In Qinhuangdao Hairong Fan, Yanpo Li, Suxia Wu Hebei Normal University of Science & Technology, Qinhuangdao 066004,China Keywords: Qinhuangdao ;green space ;soil fertilizer ;Nemero index Abstract: Soil samples with the green space soil in Qinhuangdao city were collected, and soil bulk density, pH,EC,organic matter,alkali-hydrolysable nitrogen,available phosphorus,available potassium were studied,and Nemero comprehensive index method was used to evaluate the soil fertility.The results indicated that the green space soil synthesis level was general.
Materials and Methods Experimental Soil In October, 2010, soil samples were collected from the green space of main streets, garden and square in Haigang and Beidaihe area.
Journal of Huazhong Agricultural University,2007,26(4):491-495
Chinese Journal of Soil Scienc,2003,34(4):284-290.

Delivery of miRNA using Fe2O3 Nanoparticles capped Polyethyleneimine as a nonviral carrier Gaofeng Liang, Ping Li, Wanjun Lei School of Medical Technology and Engineering, Henan University of Science and Technology, Luo Yang 471003, Henan, China lgfeng990448@163.com, Keywords: Gene Therapy, Fe2O3 Nanoparticles, Polytehyleneimine, Mirna Abstract.
Materials and methods Preparation of Fe2O3/PEI, Fe2O3/PEI/pDNA nanocomplex.
Barreto et al., Journal of Nanoparticle Research 13, 6545 (2011)
Tomoshige et al., Journal of Controlled Release 90, 207 (2003)

Estimation of crater in reinforced concrete wall caused by mini-blasting Kana Nishino1, a, Shiro Kubota1, b, Yuji Wada1, c, Yuji Ogata1, d, Norio Ito2,e , Masayuki Nagano2,e, Satoki Nakamura3,f, Takuya Taguchi3,f and Atsuya Fukuda3,f 1 National Institute of Advanced Industrial Science and Technology, 16-1 Onogawa, Tsukuba, Ibaraki, 305-8569 Japan 2 Sagami Kogyo Co., Ltd., Yoshinodai1-3-12, Chuo-ku, Sagamihara, Kanagawa 252-0222, Japan 3Kayaku Japan Co., Ltd., KFC Bldg. 9F, Yokoami 1-6-1, Sumida-ku, Tokyo 130-0015, Japan akana118-nishino@aist.go.jp, bkubota.46@aist.go.jp, cyuji.wada@aist.go.jp, dyuji-ogata@aist.go.jp, e m.nagano@sagami-kogyo.co.jp, fsatoki.nakamura@kyakujapan.co.jp Keywords: blasting, breaching, reinforced concrete wall, crater size Abstract.
Instead of above mentioned equipment, the technique with high energetic material was selected for new breaching.
The clay was used as tamping material.
Ogata, Explosion, journal of the Japan Explosive Society, 20, 3 (2010) 35-37.
Ogata, Practical application and popularization of mini-blasting considered with environment, Explosion, journal of the Japan Explosive Society, 18, 3 (2008) 151-154.

Materials and methods The field observations and suspended sediment sampling were carried on synchronously between 13:00 on the 18th and 14:00 on the September 19th, 2009, and the interval was one hour.
[3] Shuhua Zuo, Jiufa Li, Xinning Wan, Huanting Shen and Gui Fu: Journal of sediment research, Vol. 3(2006), p. 68
[4] Yiqiang Chen, Shenliang Chen, Zongwen Ma, Jun Peng and Feng Liu: Advances in marine science, Vol. 29(2011), p. 157
[5] Yang Yang and Chongguang Pang: Journal of sediment research, Vol. 2(2012), p. 41.

Table 2 Experimental results of ignition temperatures radiation cargo selected reasons ignition temperatures (℃) chili powder ignited in the radioactivity fire in Qi county of Henan province, typical food 210 corrugated paper typical packing materials, lower ignition temperature 230 toilet paper typical commodity 240 gauze typical medical supplies 290 Analysis of Simulation Results Simulation Results of Temperature Curve.
[2] Rongsheng Yu: Chinese Journal of Radiological Health Vol. 10 (2001), p. 133
[3] Shengeng Fan, Yongxian Zhang, Changheng Xu: Atomic Energy Science and Technology Vol. 23 (1989), p. 88
[6] Junhai Zhao, Maohong Yu, Yunhe Liu, et al: Journal of Northwestern Institute of Architectural Engineering Vol. 12 (1988), p. 1.

It is important to note that this damage-restoration phenomenon is observed in materials with the different remagnetization mechanisms.
Shuvaeva, Program of phenomenological modeling of the demagnetization processes of the highly anisotropic uniaxial magnetic materials, Certificate of Computer Program State Registration, RU 2009612954. (2009)
Nguyen, Kinetic regularities and mechanisms of hydrogen reduction of nanosized oxide materials in thin layers, Nanotechnologies in Russia. 12(11-12) (2017) 620-626
Konyukhov, Effect of mixing modes and nano additives on the densification and sintering behavior of tungsten material under spark plasma sintering, Journal of Cluster Science. 28(5) (2017) 2905-2917
Konyukhov, Enhancement of structural and mechanical properties of Fe+0.5%C steel powder alloy via incorporation of Ni and Co nanoparticles, Letters on Materials. 10(2) (2020) 174-178