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The melting point was obtained by XT-4 melting point apparatus, the structure was confirmed by means of Han-Sun (dpx300) nuclear magnetic resonance spectrometer, FT-IR (Nicolet) infrared spectrometer and BioTOFQ mass spectrometer (The structure information was available in supplementary materials). 1,6-Bis(α-decylpyridinium) hexane Dibromide.
Zhou, Chinese Journal of Organic Chemistry 24 (2004) 563
Oguzie, Y.Li, F.H.Wang, Journal of Colloid and Interface Science 310(2007) 90

Introduction Wide application of nanomaterials in various business areas results in higher production volumes of such materials and massive transfer of nanomaterials into water bodies that are final receivers of biota-polluting substances.
Algae growth inhibition and reduction by 50 % (EC50) were shown after 72 hours in contact with NPs CeO2 (10.3±1.7 mg/l) and micron size materials (66±22 mg/l).
Seal, Antibacterial activity of polymer coated cerium oxide nanoparticles, PLoS One, 7(10):e47827 (2012) doi: 10.1371/journal.pone.0047827
[15] Nanomaterials and superfine materials, production and consumption waste, sewage sludge containing of nanoparticles.
Anne, Toxicity of 12 metal-based nanoparticles to algae, bacteria and protozoa, Environmental Science: Nano, 2 (2015) 630-644

Note that with our custom-made superparamagnetic colloidal MFM probes, as with commercial soft magnetic probes, the force exerted by the micro-magnet array is always attractive, since the probe material is magnetized by the stray field of the micro-magnets.
Acknowledgements The authors gratefully acknowledge financial support from the Agence Nationale de la Recherche (ANR-11-BSV5-014-02 “MIME”) and Tomsk Polytechnic University (State assignment “Science”) and access to commercial AFM instruments at the Surface Science Lab of the ESRF and the Nanoworld platform of CIME.
Marchi et al, Characterization of trapped electric charge carriers behavior at nanometer scale by electrostatic force microscopy, Journal of Electrostatics 66, 538-547 (2008).

Numerical optimization approach of the gap between the magnet and coil for electromagnetic vibration energy harvesters design Yiming Lei1,2,3,a Zhiyu Wen1,2,3,b 1Key Laboratory of Fundamental Science on Micro/Nano Device and System Technology, Chongqing University 2National Center for International Research of Micro/Nano System and New Material Technology, Chongqing University 3 Micro system Research Center of Chongqing University, Chongqing, CHINA acqulym@sohu.com, bwzy@cqu.edu.cn Key words: Vibration energy harvesting, magnetic flux linkage gradient, electromagnetic damping coefficient Abstract.
Dougal and Mohannmod Ali, A miniature energy harvesting device for wireless sensor in elelctric power system, Sensors Journal (2010), Vol. 10, NO.7
Measurement science and technology, Vol. 17, no. 12, pp.

The reduction of resources input and wastes could helps recycle agricultural resources and produce cleanly in agriculture production, putting the economic system into material circular process of ecosystems.
References [1]SunJing,WangJun,YangXinJun:An Overview on the Resilience of Social-ecological Systems, Acta Ecologic Sinica (2007),P.5371~5381 [2] RenHai,PengShaoLin,LuHongFang:The Restoration of Degraded Ecosystems and Restoration Ecology, Acta Ecologic Sinica ( 2004),p.1760~1768 [3]HuangGuoQing,WangBo,LiHua:Problems in Development of Agricultural Circulation Economy in Jiangxi and Suggestions , Issues in Agricultural Economy,vol.8(2007),p. 62~65 [4]ZhuPengYi,ZhangGuo:Evaluation and Ideas on the Development of Agricultural Circular Economy in Fujian,South East Academic Research,Vol.3(2007),P. 79~86 [5]FuQiang, ZhaoXiaoyong,ProjectionPursuit Model Theory and Application , Science Press(2006) ,p.47-51 [6] LiYaTing, ZhangYan:Study of the Evaluation on the Development of Beijing's Agricultural Recycling Economy, Environmental Science And Management(2009),P.109~112 [7] JiaShijJing, LiuYincang,WangLiLi:The Fuzzy Comprehensive Evahiation for the Level of Agricultural
Recycling Economy in China,Journal of Agricultural Mechanization Research(2008),p. 1~4 [8] SunJianWei ,Huang XianJi,MaQiFang:Evaluation of the Development of Regional Agricultural Recycling Economy by Gray Relational Analysis---A Case Study of NanJing City,Acta Agricultural University JiangXi (2007),P.508~512 Table 1 The original index data of ecological restoration-based comprehensive agricultural circulation economy evaluation.

Work Roll Thermal Deformation Calculation Model of Cold Rolling Mill Lei Song1,a , Junsheng Wang 2,b , Mingang Shen1,c , Xubo Chen1,d and Shengli Li1,e 1 Liaoning University of Science and Technology, Anshan, 114001, P.R.China 2 Anshan Iron and Steel Corp. , Anshan, 114000, P.R.China a songleimail@sohu.com, bphdwjs@sina.com, cshenmg@sohu.com, dxubo@sina.com, e lishengli66@sohu.com Keywords: Cold rolling mill, Thermal deformation model, Plastic deformation work, Friction heat Abstract.
Chen: Material and Design, Vol.1(1997) No. 18, P29 [4] Y.
Li: Journal of iron and steel research, (2000) No. 12 , P51
Liu: Principle and process control of tandem cold rolling, (Science press, China, 2009)

When the FEM model of engine block and crankshaft is completed, define the same free boundary conditions and the properties of material and elements using experimental and FEM method respectively.
Acknowledgments This work was supported by Tianjin Science and Technology Plan Projects (10YFJZJC14100) and National Natural Science Foundation of China (50975192).
[5] Allaire G, Jouve F, Toader AM, Structural optimization using sensitivity analysis and a level-set method, Journal of Computational Phsics. 194(1), pp. 363-393. 2004.

Measuring of Cyclist Impact Dynamics Zuzana Radová, 1,a*, Luboš Nouzovský,2,b 1Faculty of Transportation Sciences, Horská 3, Prague 2, 128 03, Czech Republic 2Faculty of Transportation Sciences, Horská 3, Prague 2, 128 03, Czech Republic aradova@fd.cvut.cz, bnouzolub@fd.cvut.cz Keywords: Cyclist impact dynamics, passive safety, acceleration, biomechanical load, bicycle helmet.
Fig. 1 – Side impact category (type 1 and 3 – cyclist is not exposed to direct impact) [7] MATERIAL AND METHOD CTU IN PRAGUE HAS PERFORMED SEVERAL PASSIVE SAFETY TESTS THAT HAVE BEEN FOCUSED ON A VEHICLE FRONT PART.
Brunet, Finite element Analysis of Cyclist Lover Limb Response in Car-Bicycle Accident, International Journal of Crashworthiness. 11(2) (2006) 115-129

This technique has been adopted in smoothing, filtering, trends extraction, forecasting and other tasks applied to a signal[5], and it has been used in many research areas such as economics, biology, medical science etc.
The mass density and the Young’s modulus of material are respectively kg/m3 and 2.06 GPA.
Quarterly Journal of Mechanics and Applied Mathematics, 1 (1948) 132-144
Natural Hazard and Earth System Sciences, 5 (2005) 685-689

For a long time, handwork means are used mostly in the RCM analysis, which may lead to the greater work, lower efficiency and plenty of manpower material resources.
Journal of Ordnance Engineering College, Vol.14(3) (2002)
Shanghai: The Shanghai press of science and technology, 1982
Military equipment maintenance engineering science.