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Cheung e and A.Garcia f Department of Materials Engineering, Federal University of Rio Grande do Norte - UFRN PO Box 1524, 59072-970, Lagoa Nova Campus, Natal, RN, Brazil a pedrogoulart1951@yahoo.com.br, b spinelli@fem.unicamp.br, c febermat@yahoo.com.br, d wislei@fem.unicamp.br, e cheung@fem.unicamp.br, f amaurig@fem.unicamp.br Keywords: Mechanical properties, Al-Fe alloy, Cellular microstructure.
Rooy, in: Metals Handbook, Vol. 15, ASM International, Materials Park, Ohio (1988), p. 743 [11] P.
Turmezey: Key Eng.
Vol. 439 (2007), p. 114 [20] ASTM E 8M - Standard Test Methods for Tension Testing of Metallic Materials.
American Society of Testing and Materials, (1995) [21] C.J.Simensen, A.I.

In fact the reductions of water and energy consumptions are key elements in a process development for their economical and environmental impacts [2-4].
If F (Kg/h), represents the mass of plant material processed per hour of extraction, a solid waste of approximately the same mass will be generated.
This shows that the combustion of plant material waste generated by an essential oil extraction process is able to provide the necessary heat process.
Considered mobile unit and its autonomy of energy and water consumption, it is possible to process directly the plant material on the culture fields, thus avoiding its transport and storage.
Its physics, engineering, use, environmental impacts, economy and planning aspects, 3rd Ed., Elsevier Science, (2004) [31] Information on http://www.tecsol.fr/spv/pv_isole.htm

Introduction Over the past 40 years Polyvinyl chloride (PVC) has played a key role in the development of the plastics industry and continues to be a polymer of major importance.
Coating with EO with additives to increase specific performance are needed to tailor for specific application.Polyene having conductive properties had been synthesize [6] and this additive are incorporated with modified EO in this research with modified ESO for new coating materials.
Materials Polyvinyl chloride(PVC) powder with grade HP65 is a product of Malaysian Electrochemicals industry(Malaysia).Tetrahydrofuran(THF)(MERCKMalaysia), polyethylene glycol(PEG400)(R&M Chemicals Malaysia), potassium hydroxide(KOH)(R&M Chemicals Malaysia), potassium iodide(KI) ( SYSTERM Malaysia).
Advanced Materials Research, Vol. 230-232(2011) p. 94-98
Thermal and mechanical properties of tetrafunctional epoxy resin toughed with epoxidised soybean oil, Materials Sciences and Engineering (2004), A 374, p. 109-114

Parametric Study on Surface Roughness of Metallized Parts Manufactured by Additive Manufacturing Pavan Kumar Gurrala1,a* and Brijesh Tripathi2,b 1Department of Mechanical Engineering, SOT, PDPU, Raisan, Gandhinagar, Gujarat, India 2Department of Science, SOT, PDPU, Raisan, Gandhinagar, Gujarat, India ago4pavankumar@gmail.com, bbrijesh.tspv@gmail.com Keywords: Acrylonitrile Butadiene Styrene, Electroplating, Copper, Surface Roughness Abstract.
The advantage of manufacturing complex part geometries with varied materials is the key in these technologies.
This is mainly due to the low maintenance cost and wide use of available materials.
The raw material in the form of strands is then fed through the extruder in the FDM machine.
Aal, Controlling factors affecting the stability and rate of electroless copper plating, Materials Letters. 58 (2003) 104–109

Points are awarded for the use of construction waste, as well as materials that are quickly replenished environmentally (such as bamboo), local materials, which are produced near the site of construction, recycled materials, as well as the use of certified wood. 5) Indoor air quality – this category includes the requirements for the control of smoking, as well as compliance standards ventilation of indoor air.
· Automated control system engineering systems.
Magazine of Civil Engineering., No. 5 (40)., pp. 5-19., (rus) [5] Gorshkov, A.
Magazine of Civil Engineering., No. 8, pp. 20-26., (rus) [7] Gorshkov, A.
Magazine of Civil Engineering., No. 1., pp. 9-13., (rus) [9] Guseva, T.

Effect of pH on Precipitation of Ferronickel Leaching Solution by Using MgO for Mixed Sulfate Precipitate Synthesis Kevin Armeimada Prabowo1,a, Fakhreza Abdul1,b, Yuli Setiyorini1,c, Vuri Ayu Setyowati2,d, Sungging Pintowantoro1,e 1Department of Materials and Metallurgical Engineering, Faculty of Industrial Technology and System Engineering, Institut Teknologi Sepuluh Nopember, Arief Rahman Hakim Street, Surabaya, 60111, Indonesia 2Department of Mechanical Engineering, Faculty of Industrial Technology, Institut Teknologi Adhi Tama Surabaya, Arief Rahman Hakim Street, Surabaya, 60117, Indonesia akevinarmeimada@gmail.com, bfakhrezaabdul@gmail.com, cyuli_setyo@mat-eng.its.ac.id, dvuri@itats.ac.id, esungging@mat-eng.its.ac.id Keywords: Ferronickel, Precipitation, Mixed Sulfate Precipitate, pH, Sustainable Resources Abstract.
NMC batteries use nickel raw materials but are not ni metals, but rather nickel compounds (II) Sulfate Hexahydrate (NiSO4.6H2O) (IGO, 2019)[5].
Materials and Method Materials The samples used in this study are ferronickel products from Mini Blast Furnace which was processed in accordance with our previous research [16, 17].
[6] Pintowantoro, S., Pasha, RAM, Abdul, F., 2021, Gypsum utilization on selective reduction of limonitic laterite nickel, Results in Engineering, 12, 100296, https://doi.org/10.1016/j.rineng.2021.100296 [7] F.
In Key Engineering Materials (Vol. 867, pp. 25-31).

Experimental Research on Dynamic Characteristics of Synthetic Jet Induced by SJA with HCPCS Membrane Zhou Yong1,a, Wang Bangfeng2, Wang Wei1, Cheng Yong1, Wang Feng1 1Jiangsu Technology and Engineering Center for Meteorological Sensor Network, Nanjing University of Information Science and Technology, Nanjing, 210044, China 2College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China azhouyong@nuist.edu.cn Key words: Synthetic jet actuator, HHT, cymbal, piezoelectric,composite structure Abstract.
The cavity of actuator is composed of solid walls and a metal vibration diaphragm, on which a piezoelectric material is mounted.
Schematic of PSJA y x One of the key problems of PSJA is the low output jet velocity due to weak deformation capability of the oscillation diaphragm, thus the controlling capability of PSJA on the main flow is limited.

Analysis and Application of the Landscape Expression on the Contrary Space Sequence in Historical Town Ping Yao 1, a, Li Yuan 1, b 1 School of Civil and Build Engineering, Southwest University of Science and Technology Mianyang, China, 621010 ayaoping_919@163.com, byuanli_919@163.com Keywords: the contrary space sequence, contrary space combination, historical town, landscape expression, space design, application Abstract.
Fig.2 The schematic diagram of Contrary Space Sequence and symbols in a historic town Fig.3 The schematic diagram of space of external environment in a town Outer (environment) Space (First Level Space): Here is the town peripheral environment and round to border or inner key position and the entrance space.
Point Exchangeability Space: They exchange line of sight through the opposite scenery in some key position between the inner exchangeability space and outer exchangeability space.
The contrary space sequence principle is different from some traditional small city plotted space that it is not simply research the material space with point and line, but with its own organic composition and rules of space that was order and correlation, and not exists alone.

Numerical Simulation of Indoor Airflow and Poison Gas Diffusion in Air-Conditioning Buildings with Large Space Peng Xiaoyonga, Wan Fenb, Xie Jingfangc ,Yao Lind, Liu Zhenhaoe School of Urban Construction, University of South China, Hengyang, Hunan, 421001, China apengxiaoyong@126.com, bjhwanfen@163.com, c123jingfang321@163.com, d110yaolin@163.com, e15211475883@163.com Key words: Large Space Buildings; Air Distribution; Poison Gas Diffusion; Numerical Simulation Abstract.
Considering the harm of the biochemical terror to person in buildings, American LBNL (Lawrence Berkeley National Lab) has done a lot of work on biochemical material properties, influence of internal security made by indoor and outdoor terrorist poison gas, and the numerical simulation and experimental research about poison gas diffusion and transmission in large space building [1-4].
According to the engineering practice, supply air volume chooses 40m3/(m2h), fresh air rate chooses 0.3.
Therefore, when the emergencies of poison gas happen in the public large space buildings installed the central air conditioning system, discovering poison gas and closing central air conditioning air system is the key to preventing and reducing poison gas harm in time.

Isaac2,b 1Mechanical Engineering Department, Ambrose Alli University, Ekpoma, Edo State, Nigeria. 2Mechanical Engineering Department, Delta State Polytechnic, Ogwashi-Uku, Delta State, Nigeria.
Materials and Method Data were obtained from Sapele thermal power station’s logbook.
Ebonhor: Nigeria’s Electric Power Sector Reforms: What Should Form the Key Objectives?
Odiase: Electric Energy Pricing in a Deregulated Economy: A Case Study of Delta Thermal Power Plant, Delta State, Nigeria, Journal of Engineering and Applied Sciences, Vol. 4, No. 2, (2009), pp. 145-151
Ekeh: Evaluation of the Technico-Economical Indices of Major Power Stations Operation in Nigeria, Journal of Engineering Science and Applications, Vol.3, No. 1, (2001), pp. 1-21.