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Table 3 Situation of SMEs’ obtaining the certifications (Multiple-choice is permitted) (A) Enterprises which have obtained the international certifications of quality management (ISO9000 Series) (B) Enterprises which have obtained the international certifications of environmental management (ISO14000 Series) (C) Enterprises which have obtained the international certifications of occupational health and safety management (OHSAS18001) (D) Enterprises which have obtained other certifications (E) Enterprises which have not obtained any certifications 70.25% 19.84% 18.19% 2.48% 15.71% From: Data of Survey As is shown from the above table, the enterprises surveyed attach more importance to the quality of products than environmental protection and they need to pay more attention to energy conservation and emission reduction and have long-term vision. 3.2.3 Situation of SMEs’ use of recycled resources for raw materials Table4 Situation of SMEs’ use of recycled resources for raw materials
Whether has used recycled resources for raw materials (A) Yes (B) No 34.72% 65.28% From: Data of Survey As is shown from the above table, most enterprises surveyed have not made use of recycled resources for raw materials yet, which not only brings pressure to the cost control, but also hinders the work of energy conservation and emission reduction. 3.2.4 Problems which SMEs are faced with in energy conservation work Table 5 Problems which SMEs are faced with in energy conservation work Problems which SMEs are faced with A, High cost of energy conservation seriously affects the enterprises ' future development 37.52% B, Lack of appropriate technologies and funds 56.66% C, Lack of appropriate preferential policies 53.33% D, Only learn little about standards of environmental protection or energy conservation and emission reduction 43.33% From: Data of Survey As is shown from the above table, lack of appropriate technologies and funds is the biggest problem which enterprises are
Due to the impact of the appreciation of the RMB, higher raw material prices and labor costs and other factors, SMEs are facing tremendous pressure to survive.
Acknowledgements This work was financially supported by the Zhejiang Province Federation of Social Sciences Foundation (2008XZ22).
（The Empirical Research on Energy Conservation and Emission Reduction Situation of SMEs in Zhejiang Province ——A Case Study of Ningbo） References [1] Yang Shuchen :The characteristics of energy conservation and emissions reduction, measures and the problems existing in the journal Japan, 2008/01 [2] Wang Xin front: The saving energy and emission: the western region, why crack problem of environmental protection, 2007/12 [3]Li Zhi ping: The legal effect of energy conservation and emissions reduction index analysis, environmental protection, 2007/12

High Grade Purification of Sericite by Hydrocyclone and Magnetic Separation Kyung Nam Kim 1, a, Dae Young Shin2,b, Hyun Park1,c 1 Department of Advanced Materials Engineering, Samcheok National University, KOREA. 2 Hub.
Washing Hydrocyclone Spray Dry Raw Materials Mag.
Separator Sericite Powder Hydroextractor Dry Crushing Procedure 1 (P1) Procedure 2 (P2) Procedure 3 (P3) Washing Hydrocyclone Spray Dry Raw Materials Mag.
References [1] Shoji Higashi, Applied Clay Science, Vol.16(2000), p.171
[7] Lars E., Elof Hansson, Journal of the TAPPIK, 20(1), (1988).

E. coli (provided by College of Life Science, Fujian Normal University).
Chen: submitted to Materials Review (2007)
Guo: submitted to New Chemical Materials (2011)
Feng: submitted to Chemical Journal of Chinese Universities (2012)
Moya: submitted to Materials Letters (2010)

Solvent-free coating is a new type of green materials which is following water-based and UV curable materials, can meet the needs of environmental protection [4-5].
Experimental Raw material and instruments.
Material testing machine was provided by Germany Zwick/Roell Group.
Acknowledgements This work was financially supported by the Shenzhen Science Foundation (JSA200903201210A).
Journal of Naval University of Engineering.

Preparation of low-k fluorinated polyimide/phlogopite Nanocomposites Yihe Zhang*,1,2 , Qingsong Su 1 , Li Yu 1 , Libing Liao1, Hong Zheng 1, Haitao Huang2, Guoge Zhang 2,Yingbang Yao2,Cindy Lau2, H.L.W.Chan 2 1 School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, P.R.China; 2 Department of Applied Physics and Materials Research Centre, The Hong Kong Polytechnic University, Hong Kong, P.R.China *zyh@cugb.edu.cn Keywords: Phlogopite; Fluorinated polyimide; Nanocomposite; Preparation Abstract.
One of the most attractive properties of polyimide materials for microelectronic applications is their low dielectric constants [5,6].
Layered silicates/fluorinated polyimide nano- composites for advanced dielectric Materials Applications, Adv Mater,14: 426-429
[5] Maex K,Baklanov M R,Shamiryan D,2003.Low dielectric constant materials for microelectronics[J].
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Science of Sintering 2017, 49 (4): 359-372
Materials Review Volume, 2016, (30):117-120
Arabian Journal of Geosciences,2019,(12):538-543
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Although both amorphous silica and carbon black have primary particle sizes in the nanoscale, the particles to which workers may be exposed during raw materials handling are in the micrometer size range as a result of aggregation and agglomeration.
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[7] Hamed, G.R., Materials and Compounds, in Engineering with Rubber: How to Design Rubber Components, A.N.

Model tunnel cross-section ( unit:mm ) Model Similar Material.
According to a variety of multiple ratio test before the testing, preparation of test materials with gypsum powder: water: retarder for 3:3:1, its compressive strength is 3.8 MPa.
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Research of Deformation Process Control of Generator's Retaining Rings on Hydraulic Bulging Strengthening Technology Xianling ZHAO1,a, Jiansheng LIU 2, Wenwu HE2 1 College of Electronic Information Engineering, Taiyuan University of Science and Technology, China 2 College of Materials Science and Engineering, Taiyuan University of Science and Technology a hdhchx@163.com Keywords: Generator's retaining ring, Hydraulic bulging strengthening, Pulse echo method, Stepper motor Abstract.
The pulse-echo is used to test properties of material with a certain thickness [4].
Liu: Proc.5th International Conference on Physical and Numerical Simulation of Materials Processing (Zhengzhou, China, October 23-27, 2007), pp.606-611
Chang: Chinese Journal of Mechanical Engineering, Vol. 23 (2010) No.1, pp.129-134.
Fig. 5 The final bulging size and material object

So, the recycling seems to be practical and valuable, and even contribute to resolving the current contradiction of supplying gap in China rare material resources [2].
According to the national guidelines, the recovery rate of scrapped auto has to achieve 95% and the reuse rate of scrapped materials has to exceed 85% in 2017 [3].
Its transfer efficiency can reach more than 90% if oxygen concentration is enough and the efficiency is relative high in environment materials.
[3] National Development and Reform Commission, Ministry of Science and Technology and Ministry of Environmental Protection of the People's Republic of China: Policy of Recycling automotive products and technology (2006)
[4] Qing Ye, Jun Jin, Yongbao Chen and Dao Wang, Status and Tendency of the Three-way-catalyst Used in the Treatment of Automotive Exhaust Gases, Journal of Beijing Polytechnic University, 1(2000), p.112-117