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An analysis on wellbore collapse of open hole completion in carbonate formation Xiangtong Yang 1,a, Zhiyuan Liu2,b, Hao Zhang1,c, Qiquan Xiong2,d, Hongtao Liu1,e 1Tarim Oilfield Company, Korla, Xinjiang, 841000, China 2State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China a yangxt-tlm@petrochina.com.cn, bworld2049@126.com, c zhangh-tlm@petrochina.com.cn, dxiong0491@163.com, eliuhongtao-tlm@petrochina.com.cn Keywords: Carbonate formation, Nature fracture, Wellbore stability, Testing pressure difference, Wellbore collapse.
In this paper, the influences of geology and engineering factors on wellbore stability have been analyzed.
This progress will cause a serial of complex physicochemical reactions between drilling mud and the cementing material in the nature fracture system.
We assume the formation is a kind of continuum material.
When drilling nature fractured formation or high structural stress formation, engineers should take special cares for wellbore stability problems

An Approach to Determine the Maximum Rate of Pressure Rise for Dust EXPLOSIONA Ma Qiu Jua, Zhang Qib, Chen Jia Chenc State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China amaqiuju@bit.edu.cn, bqizhang@bit.edu.cn, cchenjiachen199109@163.com Keywords: Dust explosion; Maximum rate of pressure rise; Computational method Abstract.
The Institution of Chemical Engineers (IchemE) reports that a dust explosion takes place every day in Europe.
Journal of Hazardous Materials 97(1–3), 1–9
Journal of Sichuan University (Engineering Science Edition), 41(6), 79–83.

Surgery robot for implantation of intracranial electrodes Jun Zhou 1,2,a, Shoulei Li2,b, Saif Ullah3,c, Yunfeng Zhang3,d, Peichao Liu2,e, Xiaoping Li1*,f 1 Department of Mechanical Engineering & Division of Bioengineering，National University of Singapore, Singapore 2 School of Mechanical Engineering, Shandong University, Jinan, 250061, P.R.
China 3 Department of Mechanical Engineering, National University of Singapore, Singapore *Corresponding author, email: mpelixp@nus.edu.sg azhoujun@sdu.edu.cn , b livid@yahoo.cn, csaifullah@nus.edu.sg, dmpezyf@nus.edu.sg, elpc2007@mail.sdu.edu.cn,fmpelixp@nus.edu.sg Keywords: deep brain stimulation, surgery robot, precise location Abstract.
In order to overcoming its deflection problem, for the needle, we will use highly rigid material, and for the robotic system, we will employ the method of inserting with rotation.
Department of Electrical Engineering and Computer Science, Case Western Reserve University, Cleveland, Ohio, 44106, USA [10] Frank Chan, MEng,Irwan Kassim, MEng, Charles Lo, MSc: Surgical Neurology 71 (2009) 640–648 [11] Keiichiro Inagakib, Shane A.
Anderson: Proceedings of the 1st International IEEE EMBS Conference on Neural Engineering Capri Island, Italy, 20-22, 2003

Throughout history, people have dyed their fabrics using common and locally available materials, but rare dyes that produced bright and permanent colors like natural dyes from invertebrates, tyrian purple and kermes carmine, have become luxury items in the ancient and medieval world.
Materials and Methods 2.1.1.
Chemicals and Materials S. vulgare was purchased from CRITT Horticole (France).
The dyed uptake was always greater for higher temperatures which means that temperature plays a key role on the migration and fixation of the dye in the wool fiber.
Advances in Materials Science and Engineering 2014: 1-6.

Fig.1 Diagram of the shield crossed the bridge Engineering geology.
Engineering Analysis Method for Shield Moving Influence on Pile Foundation[J].
Journal of Railway Science and Engineering,2006,3 (3):35-40
Chinese Journal of Rock Mechanics and Engineering,2007, 26(Supp.1):2601-2607
Chinede Journal of Geotechnical Engineering,2008, 30 (2):299-302

Highway electrical and mechanical engineering networking operation management provides an important technical support for the implementation of the highway unimpeded, safety, high efficiency and the realization of the green highway traffic concept.
The equipments and products are of varying quality, so the stability and reliability of highway network electrical and mechanical engineering system meet a huge challenge.
In addition, the spread of the virus, hacker attacks and information falsified will cause the network system of highway electrical and mechanical engineering paralysis.
The system paralysis will not only influence the electrical and mechanical engineering operation, management and service quality, but also cause huge economic loss and reduce the ability of highway network service.
Manufacturing Automation, (2012) [4] Zhang X.N., Liu A.X., Gao Q.Z.: Fuzzy Fault Tree Method for Reliability Design of Complex System in Engineering Machinery.

Microwave Involved Synthesis of Graphene/Polyaniline Nanocomposite with Superior Electrochemical Performance Hanxun Qiu*, Xuebin Han, Jing Li, Feilong Qiu, Junhe Yang* School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, P.
The application of microwave facilitates the synthesis of materials.
Shi, Graphene based new energy materials, Energ.
Zhang, Folded Structured Graphene Paper for High Performance Electrode Materials, Adv.
Ma, Advanced Materials for Energy Storage, Adv.

Mizuki2, f 1 Materials R&D Division, Daihatsu Motor Co.
Today, the hard issue of the automotive engineering is the reduction of the emissions, such as unburned hydrocarbons (HC), carbon monoxide (CO) and nitrogen oxides (NOx).
The conventional catalyst has used finely divided precious metal particles, Pd, Rh and Pt, dispersed on ceramic-support materials.
Niihara of the Institute of Scientific and Industrial Research, Osaka University, for his guidance and a discussion about nanostructure materials.
References [1] http://snet.sntt.or.jp/imf/: "The intelligent materials forum 1990 ", The society of non-traditional technology

Progressive Freeze Concentration: Optimization of Trichlorophenol Removal in Wastewater via Response Surface Methodology Ikhmal Zariq Al Imran Jamal Ikhsana, Muhamad Noor Faqeh Bakarb, Hariz Asyraf Hamizlanc, Anwar Addini Mazzamd, Farah Hanim Ab Hamide* School of Chemical Engineering, College of Engineering, Universiti Teknologi MARA, Selangor, Malaysia aikhmalzariq@gmail.com, bmnfaqehb@gmail.com, charizasyrafhamizlan@gmail.com, danwaraddini@gmail.com, efarah88@uitm.edu.my Keywords: wastewater; trichlorophenol; progressive freeze concentration; optimization; response surface methodology.
Materials and Method Materials.
Acknowledgement The authors would like to express our gratitude to the School of Chemical Engineering, College of Engineering, Universiti Teknologi MARA Shah Alam for their support.
Jami, Progressive Freeze Concentration for Wastewater Treatment from Food Industry, Key Eng.
Aydar, Utilization of response surface methodology in optimization of extraction of plant materials, in: Statistical Approaches With Emphasis on Design of Experiments Applied to Chemical Processes, IntechOpen, 2018

CVD SiC material with many excellent physical and chemical properties was used widely in the field of aerospace as reflector materials.
In addition, CVD SiC thin film materials because of its compact structure, high purity can also be used as precision optical components of semiconductor industry.
To obtain the materials to meet the use requirements, each parameter should be controlled in the process of reaction.
Introduction Fig .1 Schematic diagram of CVD device SiC material had many advantages such as high hardness and outstanding stability at high temperature, which made it highly suitable for high-temperature structural materials, protective coatings and semiconductor devices [1].
Commun. 36(2001)1695-1700 [5] Byung Jin Choi, Dai Ryong Kim, Growth of silicon carbide by chemical vapour deposition, Department of Metallurgical Engineering, Kyung pook [6] A.M.