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I.A.T.A. put together a Working Group of fuel system engineers from OEM's and airlines, fuel quality staff from fuel suppliers, and industrial microbiologists, and in 2002 they issued a landmark publication 'Guidance Material on Microbiological Contamination in Aircraft Fuel Tanks' [1].
Conclusions During the last decade, the availability of safe and simple on site microbiological tests has enabled the civil aviation industry to monitor their aircraft fuel tanks for microbiological contamination and to take remedial measures before operational problems.
There is good reason for cooperating militaries to work towards common microbiological standards and common anti-microbial strategies, to achieve the success in controlling fouling and corrosion which is now progressively apparent in the civil aviation industry..

Developing the Ecology Residence According with the State of China Yiding Zhu 1,2 ,a, Qiang Zhang 1,2,b 1 School of Civil & Hydraulic Engineer of Ningxia University, Yinchuan, Ningxia, 750021, China 2 Engineering Research Center of Efficient Use of Water Resources in Arid Modern Agriculture Ministry of Education, Yinchuan , Ningxia, 750021, China a13995475126@163.com, bnxdxzq@163.com Keywords: ecology residence, state of a country, economizing energy, economizing water economizing land, economizing material, environmental protection, green color.
Really construction of ecology residence is a systems engineering.
floor space can be regarded to recuse the burden for the lower income in our country.In order ti avoid not only enhancing the floor space,but also has carried on the serious economic burden,reduced the life quality.Therefore,our country residential space is better to control between 60m2 and 110m2,that is more appropriate [4]. 3.2 Developing construction technology, uses suitable construction technology is the foundation of constructs ecology residence As a result of the architecture industry,that has consumption to natural resource's and pollution to the environment,has directly caused the anxious of our country natural resource and the stern of environment question,that is not enough to only control residential space for the green of economizing energy.Looked from the residential construction and the use that may regard as the tree parts,the production of building material,the residential construction and the residential use.Therefore,the real ecology residential construction is a engineer

Due to their extraordinary qualities, X5CrNi18-10 (AISI 304L) and X3CrNiMo17-13-3 (AISI 316) stainless steels are among the most used materials in engineering applications with use in priority areas.
Due to its properties, it is one of the most used materials in engineering applications.
Canyurt, Friction stir welding of austenitic stainless steels, Journal of achievements in materials and manufacturing engineering, Vol.43, Issue 1, November (2010); [2] C.
Scripta Materialia, 49:1175-1180. (2003); [6] Pushp Kumar Baghel, Friction stir welding of stainless steel 304 - a survey, IOSR Journal of mechanical and civil engineering, ISSN 2278-1684, vol. 1, Issue 2, pp.22-23 July-Aug. (2012); [7] A.P.
Packer, Evaluation of Mechanical Properties of 304L and 316L Stainless Steels Friction Stir Welded, Proceedings of the Twenty-first International Offshore and Polar Engineering Conference.

Senthil Kumaran2,b* 1Department of Structural and Construction Engineering, University of Dar es Salaam, Tanzania 2Department of Civil Engineering and Construction, The Copperbelt University, Kitwe,Zambia amakunzaj@gmail.com, bkumaran.gs@cbu.ac.zm Keywords: Fiber reinforced concrete, mechanical properties, sisal fibers, orientation, strength Abstract.
Fiber reinforcement is widely used in construction engineering to improve the mechanical properties of concrete such as compressive and tensile strengths.
[2] Aruna M, “Mechanical Properties of Sisal Fiber Reinforced Cement Composites”, World Academy of Science, Engineering and Technology, 2014
V, “Strength and durability evaluation of sisal fiber reinforced concrete”, International Journal of Engineering Research & Technology (IJERT), Vol. 8.
[6] Suryawansh Y, R and Jitendra D Dalvi, “Study of Sisal Fibre as Concrete Reinforcement Material in Cement Based Composites”, International Journal of Engineering Research and Technology (IJERT), Vol. 02 Issue 03.

Thermal and Mechanical Performance of Innovative Solid Olive Waste Composite for Use as Insulating Materials in Building Samir Medhioub1,a*, Ali Ellouze2,b, Rakia Shabou3,4,c and Hassen Sabeur1,d 1Civil Engineering Laboratory/ National School of Engineering of Tunis/1002 Tunis/Tunisia 2Research Unit ‘Mechanical and Materials Production Engineering/ National School of Engineers of Sfax, University of Sfax, Tunisia 3Higher Institute of Environmental Technologies, Urban Planning and Building (ISTEUB), University of Carthage, Tunis, Tunisia 4Research Laboratory of Water, Energy and Environment, National School of Engineers of Sfax, University of Sfax, Tunisia asamir.medhioub@gmail.com, bali.ellouze@enis.tn, crakias2001@yahoo.fr, dsabeur.hassen@enit.utm.tn Keywords: solid olive waste, green composite, carbon, thermal, mechanical.
Senhadji, Investigation of the engineering properties of environmentally-friendly self-compacting lightweight mortar containing olive kernel shells as aggregate, J.
Civil Eng.
Amziane, Study of modifications on the chemical and mechanical compatibility between cement matrix and oil palm fibres, Results in Engineering 7 (2020) 100150, https://doi.org/10.1016/j.rineng.100150
Venkateshwari, Performance of lightweight concrete with different aggregates a comprehensive review, Discover Civil Engineering 1 (2024) 46, https://doi.org/10.1007/s44290-024-00015-9

Competitive Adsorption of Copper, Zinc, and Chromium from Wastewater Using Corn-Cob Ash: Optimization Approach Emmanuel Ikechukwu Ugwu1,a*, Jonah Chukwuemeka Agunwamba2,b 1Department of Civil Engineering, College of Engineering and Engineering Technology, Michael Okpara University of Agriculture Umudike, Nigeria. 2Department of Civil Engineering, Faculty of Engineering, University of Nigeria Nsukka, Nigeria.
Optimization with the aid of Response surface methodology (RSM) has been found promising in various engineering applications.
Journal of Chemical Engineering Data, 55, 3923–3928
International Journal of Chemical Engineering and Applications, 2(3), 199–201
Journal of Applied Science and Engineering Methodologies 2(3), 412–425

Energy Embodiment of Water Supply: A Comparison between the US and China Weiwei Mo1, a, Qiong Zhang1,b and Rongchang Wang2,c* 1Department of Civil and Environmental Engineering, University of South Florida, FL, USA 2State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Yangtze Aquatic Environment, MOE, College of Environmental Science and Engineering, Tongji University, Shanghai, China aweiwei@mail.usf.edu, bqiongzhang@usf.edu, c* wangrongchang@tongji.edu.cn Keywords: Water supply, embodied energy, direct/indirect energy, life cycle assessment Abstract.
Possible reasons for the higher indirect energy use in System B might be more administrative and engineering (maintenance and repairing) services involved, lower transportation efficiency, more self water usage within the system and higher labor rates.
Considering the differences in the top contribution sectors of the operational energy intensities between the US and China (Table 2), the high indirect operational energy in System B may be caused by more administrative and engineering (maintenance and repairing) services involved, lower transportation efficiency, more water used within the system and higher labor rates.
The higher constructional cost in System B may be caused by higher labor rates in the US, more engineering services involvement, longer project time frame and lower transportation efficiency.

Low-Carbon Communities And Eco-Building Planning And Design Strategies And Practices in MianYang City,China Science-Technology City Kangcai Nie1, a, BinShi1,bandLePan1,c 1Collogy of Civil Engineering and Architecture, SouthWest University of Science and Techlonogy，MianYang Sichuan,China 621010 aNiekangcai@163.com,bpanle_163@163.com, cshibin.swust2008@163.com KeyWords: low-carbon communities, planning practice, eco-building Abstract. the concept of low-carbon city, low-carbon communities is increasingly well known, the relevant theory of low-carbon, low carbon planning studies have also appeared.

Coincident work between upper steel structure and lower concrete structure of Ningxia flower art center Wei-guo Yang1,a, Peng Gu2,b School of Civil Engineering，Beijing Jiaotong University，Beijing 100044，China a wg_yang@263.net, bgupeng218453@163.com Keywords: coincident work; spectral response analysis; elasticplastic time-history analysis; concrete elastoplasticity Abstract.

Kang Bai-wan’s Mansions From the Ecological Perspective Hua Zhang School of Civil Engineering and Architecture, Henan University of Technology, Zhengzhou, Henan, P.