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Experiment Materials Polypyrrole synthesis In the polymerization process of polypyrrole, these chemicals were used: pyrrole (Fluka) as a monomer, ammoniumpersulfate (MERCK) as an oxidant, 5-sulfosalicylic acid (Fluka) as a dopant.
In order to the diffusion coefficients are calculated from Higuchi's equation [5]: ( ) 2/1 0 /2 πDtCQ = (1) where Q is the amount of material flowing through a unit cross-section of barrier in unit time, C0 is the initial drug concentration in the hydrogel, D is the diffusion coefficient of a drug and the release time.
Schwank: Materials Science and Engineering B Vol. 136 (2007) , p. 78-86
Entezmi: European Polymer Journal Vol. 37 (2001), p. 1015-1020.

In this work, we use graphene as base material, AuPd nanoparticles are electrodeposited on the surface of graphene by a co-deposition method from a mixture of HAuCl4 and HPdCl4 to parepared the AuPd/GR/GCE.
Acknowledgment The authors acknowledge the financial support from the National Natural Science Foundation of China (21075096, 21275113).
Li, Advanced Materials 23 (2011) 1044
Kuang, Journal of Materials Chemistry 22 (2012) 1781.

Material and Methods Material Strain Used for Testing.
Acknowledgement This study was supported by youth Scientific Reseach Fundation of Central South University of Forestry and Technology(2009001A);Hunan Provincial Science and Technology Major Project (2011FJ1006).
Bamboo fiber - a new textile material[J].China Textile Leader, 2003, 3: 59-60
Journal of Central South Forestry University, 2006, 26(1): 48-52
[4] GB/2677.8-1981, Determination of the lignin content of the paper-making natural materials [S]

Furthermore, the addition of small amounts of Al and Si constituents to the nanocomposite structure of these materials considerably improved their tribological and anti-corrosive properties at operating temperatures exceeding 400 °C, such as hardness and wear resistance, thermal stability and denitrification temperatures [4].
The NSC film-samples showed foremost a positive skin effect up to a penetration depth of about 500 nm while bulk steel substrate in the same indentation depth-range of 12 – 500 nm demonstrated convincingly a negative skin effect or normal indentation size effect (ISE) that is characteristic for bulk material samples.
Acknowledgements This research is funded by the Latvian Council of Science, project No. 2019/1-0385 “Carbon-rich self-healing multifunctional nanostructured smart coatings (NSC) for high-tech applications using high-power confined plasma technology for their deposition”.
Bajajb, A critical review of diamond like carbon coating for wear resistance applications, International Journal of Refractory Metals & Hard Materials. 78 (2019)107-122

Maniya and Bhatt [11] demonstrated its logical and appropriate use for decision-making in the selection of suitable materials meeting the requirements of design engineers.
Acknowledgments This study is funded by Ministry of Science and Technology of Taiwan (MOST 110-2221-E-008-043-MY2, MOST 111-2622-E008-018) and Can Tho University, Code: T2024-72.
Vahid, Hole qualities in laser trepanning of polymeric materials, Optics and lasers in engineering. 50.9 (2012) 1297-1305
Misra, Experimental Investigation of AISI 304 Plates Deformation Through Laser Trepanning Process, Lasers in Manufacturing and Materials Processing. 10.4 (2023) 586-605
Lin, Prediction and optimization of dross formation in laser cutting of electrical steel sheet in different environments, Journal of Materials Research and Technology. 18 (2022) 1977-1990

As p-GaP undergoes photo-corrosion; there has been a continuous quest for stable oxide based p-type semi-conducting materials for PEC applications [8].
Sorrell, Review Article: Photo-electrochemical hydrogen generation from water using solar energy: materials-related aspects, Int.
Sundararajan, Preparation and characterization of Co-doped TiO2 materials for solar light induced current and photocatalytic applications, Mater.
Sundararajan, Preparation and Characterization of Ni-Doped TiO2 Materials for Photocurrent and Photocatalytic Applications, The Sci.
Alexander, X-Ray diffraction procedures for polycrystalline and amorphous materials, J.

Kanai, Cathodoluminescence study on the tilt and twist boundaries in bonded silicon wafers Materials Science and Engineering B 91-92, 244 (2002)
Isakov, Identification of dislocation-related luminescence participating levels in silicon by DLTS and Pulsed-CL profiling, Journal of Physics: Conference Series 281, 012008 (2011)
Kononchuk, Electrical levels of dislocation networks in p- and n-type Si, Journal of Physics: Conference Series 281 (2011)
Kittler, Giant Poole-Frenkel effect for the shallow dislocation-related hole traps in silicon, Journal of Physics: Conference Series 281 (2011).

Experiment Experimental material.
As one compound yarns contains six CCFs, the raw material’s resistance is R0=rL/6nA (3), in which r is original resistivity, L is length, A is the conductive sectional area of CCF.
Acknowledgment This work is supported by The Fresh Talent Initiative of Zhejiang Provincial Science & Technology Department(14530131661064), and guided by the corresponding author, Feng-yuan Zou.
[2] Hui Zhang, Xiaoming Tao, Shanyuan Wang and Tongxi Yu, 2005: Electro-Mechanical Properties of Knitted Fabric Made From Conductive Multi-Filament Yarn, Textile Research Journal, 598
Different number of shares and twists effect to the sensing performance of conductive yarns contains coated fibers, Advanced Materials Research, 2011,(148), 803-807

Training aimed at implementing of CRM in the civil engineering sector should comprise the following: § Civil engineering material salesmen; § Civil engineering service salesmen; § Sales managers in civil engineering companies; § Employees in sales services of the civil engineering companies; In case all civil engineering companies want more success in sales, improving working systems, if they wish to increase productivity and volume of sales, then CRM is one of the most convenient strategies.
This paper is part of the project Competitiveness of the Construction  Sector in Montenegro, Ministry of Science of Montenegro References [1] Vranešević, T.
Mark of the investment projects in civil engineering with the special retrospection to the economical-financial mark of the project (2010) Journal of Spatial and Landscape Planning Vol. 2, Issue 1, pp. 47-55 [8] Jocovic, M., Melovic, B., Vatin, N., Murgul, V. 
Modern business strategy Customer Relationship Management in the area of civil engineering (2014) Applied Mechanics and Materials Vol. 678 pp 644-647 [9] Ćetković, J., Knežević, M., Žarković, M., Murgul, V., Vatin, N.
Development and competitiveness improvement of the construction sector in Montenegro (2014) Applied Mechanics and Materials.

However, graphene based TiO2 photocatalysts are generally prepared using more expensive raw materials or including complicated procedure, which is not practical for industrial-scale production.
In this work, using low-cost industrial titanyl sulfate solution as a raw material, mesoporous sulfated TiO2-graphene oxide(ST-GO) photocatalysts were prepared by hydrothermal methods and characterized using various techniques.
Materials and Methods Preparation.
Science, Vol. 306 (2004), p. 666
Chinese Journal of Inorganic Chemistry, Vol. 28 (2012), p. 357