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Discharge Characteristics of a Laser-electromagnetic Coupling Plasma Thruster for Spacecraft Propulsion Daixian Zhanga, Rui Zhang, Zhen He, Fan Zhang and Jianjun Wub College of Aerospace and Material Engineering, National University of Defense Technology, Changsha, Hunan, 410073, China azhangdaixian@163.com, bjjwu@nudt.edu.cn Keywords: Laser-electromagnetic Coupling Plasma Thruster, Discharge Characteristic, EVA.
Since any solid material can be used as the propellants in these cases, no tanks, valves, or piping systems are required for the propulsion system.
Acknowledgments The project was supported by the National Natural Science Foundation of China (Grant No. 11172327).
Phipps et al: Journal of Propulsion and Power, Vol. 26, No. 4, pp. 609-637. (2010) [4] J.

In class hours statistics, the result is lower than the minimum period of Liaoning university of traditional Chinese medicine, Changchun university of Chinese medicine is higher than the minimum period of and below the average hours of Heilongjiang university of Chinese medicine is the same as the period of highest. 2.3.2 Class Curriculum Comparison of Traditional Chinese Medicine Northeast 3 university of Chinese medicine of traditional Chinese medicine class curriculum, TCM nursing were set up, and the rest of the different subjects are also focus on specialized courses setting, Changchun university of Chinese medicine set up an introduction to Chinese traditional culture, the basic theory of TCM, TCM internal medicine nursing, set up a basic theory of TCM and Heilongjiang university of Chinese medicine, Chinese medicine diagnostics of traditional Chinese medicine (TCM), Chinese material medico, pharmacology, internal medicine, gynecology, pediatrics of traditional Chinese medicine
For national statistics of 20 colleges and universities of Chinese medicine, according to the results of 17 colleges and universities have opened a Chinese medicine basic course, 4 to open diagnostics of traditional Chinese medicine, 6 open Chinese material medico, 7 in pharmacology, 6 open acupuncture, 7 to open massage, opened a Chinese medicine nursing 14, 4 opened medical nursing.
Summary With the development of medical science and the increased awareness of traditional Chinese medicine, TCM nursing for its own "dialectical nursing" has become more suitable for needs in current society.
References [1] Lisha Han.in:Thinking of the development of higher nursing education of traditional Chinese medicine,edited by Chinese Nursing Management Vol.7 (2007), p.16-17 [2] Xianliang Liu,Jingyu Tan and Yanfang DengHan, in:The research and analysis of traditional Chinese medicine colleges undergraduate nursing professional curriculum,edited by Chinese Journal of Nursing Education Chinese Nursing Management Vol.9 (2012), p.291-293.

Effects of TiO2 on Crystal Phases of Mold Fluxes Lifeng Sun 1,a, Hongpo Wang 1,b, Maofa Jiang 1,c, Qizheng Lin 2,d, Chunlai Liu 2,e and Yong Zou 2,f 1College of materials and Metallurgy, Northeastern University, Shenyang, 110004, China 2Shanxi Taigang Stainless Steel Cooperation Limited, Taiyuan, 030003, China agreen.feng@163.com Key words: mold fluxes; TiO2; crystal phases; perovskite Abstract: Under the experimental condition,the crystal phases of mold fluxes contained cuspidine, wollastonite and melilite.
Jiang: Journal of Northeastern University (Natural science), Vol. 25(2004), p. 559 [5] G.Y.

Materials and method The parameters obtained from the sole substrate experiments formed a basis for modeling.
Polish journal of Environmental Studies. 12(1), 15-25
Current Science. 89, 101-112

Czerwinski, Journal of The Minerals, Metals and Materials Society 64 (2012) 1447-1483
Thesis: Norwegian University of Science and Technology, 2004

Materials Science Forum, 946(3) (2019) 744-749
Pushkareva, Surface Pressure Treatment of Titanium Alloy Bars by Transverse Rolling, Russian Internet Journal of Industrial Engineering, 4(6) (2018) 39-43.

Because greenery metallic material is more directly for protection, not only isolation, protective role; also beautify the highways, to increase the degree of coverage of the plants, regulating Microclimate.
Engineering safeguard measures In order to protect semiarid area highways more effective , it is necessary to take the appropriate engineering safeguard measures; That is , we can use mortared of strip stone or concrete structures to protect, including cement protection, the mortar rubble protection, cement grid protection and hollow brick protection. in addition, there are comprehensive protections, including concrete grid hollow grass, geosynthetic material grass, plants, masonry partition protection, etc.; building stairs, grid cage, diamond-shaped grid, geonet, three-dimensional network, and the other water catchment facilities, setting sand barrier.
Acknowledgment Project supported by the Young Scholars Science Foundation of Lanzhou Jiaotong University[2012051] References [1] Guo Wencheng .Pay attention to the problem on the urban green space system planning Journal, 22 (3) (2002),p.58-60

L Devore: Probability and Statistics for Engineers and the Sciences, 7th ed., Thomson Books/Cole, ch.13 (2008), p. 25-30 [10] N.
Senjuntichai: Development of Efficient Washing System for Reduction of Oil Contamination on Machining Parts, International Journal of Advanced Materials Research, Vols. 156-157 (2011), p. 1545-1554 [11] A.

Li: Gear multi-faults diagnosis of a rotating machinery based on independent component analysis and fuzzy k-nearest neighbor, Advanced Materials Research, Vol. 108-111(2010), p. 1033-38
Peng: Fault detection and diagnosis of the gearbox in marine propulsion system based on bispectrum analysis and artificial neural networks, Journal of Marine Science and Application, Vol. 10 (2011), p. 17-24

Journal of Hazardous Materials. 1996,51, 151-164
Rhodes Trussell.Environmental Engineer Science.2003,20 (5)