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The catalyst can process raw materials with high total acid numbers using two stages project.
Bio-enzyme technology is attractive but has not been industrialized due to engineering problems and short enzyme life [10-13].
The results were effective though the reaction also need purification of raw materials in a batch operation mode [27,28].
Experimental section Materials Soybean oil was bought from the local market, with an acid value of 0.2mg KOH/g.
Manivannan , C.Karthikeyan: Advanced Materials Research Vol. 678(2013), p.268 [29] L Lu, GQ Wu, X Duan, et al: Special Petrochem (In Chinese).

Studies indicate that silver has a lower affinity for conventional spacer materials like polypropylene (PP) compared to copper.
· Long-term experiments for fouling tests are necessary to assess the stability of the coated materials
· The presence of hydrophilic or hydrophobic groups on the surface of materials may have opposing or complementary effects on surface roughness.
Kurniawan, Overcoming challenges in water purification by nanocomposite ceramic membranes: A review of limitations and technical solutions, Journal of Water Process Engineering 57 (2024). https://doi.org/10.1016/j.jwpe.2023.104613
Dosoretz, Antibacterial Efficiency of a Composite Spacer Containing Zinc Oxide Nanoparticles, Procedia Engineering 44 (2012) 581-582. https://doi.org/10.1016/j.proeng.2012.08.491

Therefore, this paper confirmed design ground motion parameters of Chongqing city can provide the actual engineering anti-earthquake design.
Seismic safety evaluation of engineering sites [M].
Center for Geotechincal Modeling Department of Civil & Environmental Engineering, University of California, Davis, California, August 1992
The earthquake engineering [M] Seismological press, Beijing, 2006[In Chinese] [9] Hua Fan, Weiqiong Huang.
The earthquake engineering and engineering vibration, 2002, 37 (1): 39-42.

First Grade College, Shivamogga 577201, Karnataka, India 3Dept. of Metallurgical and Materials Engineering, Bartin University, Bartin, Turkey akiranhallikere86@gmail.com, bdrgutti1966@gmail.com, cshashankaic@gmail.com Keywords: Rhodamine B, photocatalytic, xanthene dye, nanocomposites Abstract: Pollution by textile dyes on waterbodies is an issue for both human health and the environment.
However, the use of semiconductor-assisted materials in conjunction with sustainable solar energy has emerged as a possible solution to the problem.
In: Hussain CM, Manjunatha JGBT-FN-BES (eds) Woodhead Publishing Series in Electronic and Optical Materials.
In: H P Nagaswarupa HCAM (ed) Current Trends in Materials Chemistry, I.
Sci Rep 6:1–11 [82] Pandey S, Mishra SB (2011) Sol–gel derived organic–inorganic hybrid materials: synthesis, characterizations and applications.

Sometimes materials corrosion, due to the usage of chemical inhibitors or having different causes, may provoke variations in the final results [74].
Also the internal volume’s geometry assumes a key role.
Experimental Analysis of the Effect of Geometry and Façade Materials on Urban District’s Equivalent Albedo.
Journal of Petroleum Science & Engineering, 2019,c; 177 594-601 [7] Gambelli AM, Rossi F.
Greenhouse Gas Control, 2010; 4 630–637 [71] Linga P, Clarke MA, A Review of Reactor Designs and Materials Employed for Increasing the Rate of Gas Hydrate Formation.

The electrical, materials, and device characteristics employed in this simulation had a significant impact on the device output performance.
Those references were chosen due to their compatibility with the solar cell components (layer, metallic, and back contact materials) [31–33].
Donatini, Geothermal Power, POWER ENGINEERING Advances and Challenges. (2019) 179–215
Uddin Farhad, Comparative Study on Solar Cell Simulators, ICIET 2019 - 2nd International Conference on Innovation in Engineering and Technology. (2019)
Tang, Toward charge extraction in all-inorganic perovskite solar cells by interfacial engineering, J Mater Chem A Mater. 6 (2018) 21999–22004

These engineered particles dispersed in a base fluid have numerous applications such as in micro electromechanical systems (MEMS), nano-electromechanical systems (NEMS), biomedical engineering (imaging and ablation), nuclear reactors and extraction of geothermal power.
The stability of the nanofluids is a key to ensuring the dispersion of the nanoparticles in the base fluid.
Sandeep, JV R.R, Impact of Brownian motion and thermophoresis on bioconvective flow of nanoliquids past a variable thickness surface with slip effects, Multidiscipline Modeling in Materials and Structures, (2019) [11] K.A Kumar, V.
Ahmadi, Self similar solution of incompressible micropolar fluid boundary layer over a semi-infinite plate, International Journal Engineering Science 14 (1976) 639-646 [39] N.A Yacob, A.
Ishak, MHD flow of a micropolar fluid towards a vertical permeable plate with prescribed surface heat flux, Chemical Engineering Science Research Design, 89 (2011) 2291-2297 [40] S.

So as to give full play to the advantages of steel and concrete and make up for the shortcomings of two kinds of materials.
No matter from the perspective of theory or experience, or combining the theory with experience, a lot of test data is used to verify and modify it, and corresponding codes of design and construction are formulated, which are applied in engineering practice comprehensively.
The results calculated by the multiple linear regression formula is compared to the experimental results in Table 1 , its error is less than 10％，which shows that the computational results agree well with the test data,, and comply with the requirement of engineering.
Table 2 Material properties of steel Elasticity modulus （Mpa） Poisson ratio Yield limit fy （Mpa） Ultimate tensile strength fcu（Mpa） 182000 0.3 227.7 294.4 194000 0.3 194 298.6 The selection of concrete material model.
This work was supported by the Scientific Research Program of the Educational committee of shaanxi Province, China(Grand No.12JK0922) References [1] Han Linhai and YangYoufu: Experimental study on the bearing capacity of rectangular concrete filled steel axial compression component strength, China Civil Engineering Journal Vol. 34 (2001),p.22 [2] H.Shakir-Khalil and J.Zeghiche: Experimental Behavior of Concrete-filled Rolled Rectangular Hollow-section Columns, The Structural Engineering Vol. 67(1989),p.346 [3] H.Shakir-Khalil and M.Mouli: Further Tests on Concrete-filled Rectangular Hollow-section Columns, The Structural Engineering, Vol. 68(1990):405 [4] S.P.

EDC-Crosslinked Electrospun Silk-Fibroin Fiber Mats Rong Liu1, a, Feng Zhang1, b, Baoqi Zuo1, 2, c, Huanxiang Zhang3, d 1College of Textile and Clothing Engineering, Soochow University, Suzhou, 215006, China 2National Engineering Laboratory for Modern Silk, Soochow University, 215123, China 3Department of Cell Biology, Medical College of Soochow University, Jiangsu Key Laboratory of Stem Cell Research, Suzhou 215123, P.R.
Recently, Silk fibrion nanofibers are used in various fields such as in biomedical, electrical and textile applications that includes tissue-engineered scaffolds, wound dressings and drug delivery systems because of their remarkable properties i.e., high specific surface area, increased strength and surface energy and enhanced thermal and electrical conductivity [2, 3].
The tensile strength measurements were then implemented using the instron material testing machine (Instron 3365, America) with a deformation rate of 10 mm/min and the gauge length was set at 20 mm.
The water stability and excellent tensile properties of the crosslinked SF nanofiber could be used in a variety of biomedical applications, such as tissue-engineered scaffolds, wound dressings and drug delivery systems.

Functionality is one of key elements in TRIZ that used to build models showing how a system works, as well as how a system creates benefits, harmful effects, and costs.
Concept Design is proposed by Palh & Beitz in its book "Engineering Design" in 1984.
Another problem is that friction wheel maybe soon wear out, so appropriate material should be select.
References [1] Artobolevskii, I.I., Mechanisms in Modern Engineering Design, MIR Publishers.
Engineering Design[ M].