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Nanotechnology is a significant component in the fabrication of electronic sensors and photonic materials around electronics [3].
Carbon nanofibers have the electrical and thermal conductivity of metal materials, as well as the softness of lightweight textile fibers due to their polymer characteristics, as compared to powder materials[4]. as well as carbon's intrinsic characteristics, making it an attractive carbon-derived material for supercapacitors and materials energy storage [5].
Zhong, “Carbon Nanofibers and Their Composites: A Review of Synthesizing, Properties and Applications,” Materials, vol. 7, no. 5, pp. 3919–3945, May 2014, doi: 10.3390/ma7053919
Anggoro, “Formation of Carbon Fibres From Polymer Poly (vinyl alcohol)/Acetylene Black using Electrospinning Method,” in IOP Conference Series: Materials Science and Engineering, 2019, vol. 543, no. 1, p. 012030
Chen et al., “Electrospun carbon nanofibers as anode materials for sodium ion batteries with excellent cycle performance,” J.

Materials and Methods To analyse the impact of the filter cartridge design on the aerodynamic characteristics of the air flow entering the filter, numerical modelling was used in a three-dimensional Cartesian coordinate system based on the continuity equation.
This is due to the fact that turbulence often occurs at their edges, which develops an uneven distribution of air and increases the load on individual sections of the filter material.
Ma, Structural Optimization and Airflow Uniformity Evaluation of Bag Filter Based on Different Diversion Schemes, Applied Sciences. 15(8) (2025) 4174. https://doi.org/10.3390/app15084174
Journal of Fluid Mechanics. 846 (2018) R1. https://doi.org/10.1017/jfm.2018.303
Kim, Analytical solution for laminar entrance flow in circular pipes, Journal of Fluid Mechanics. 979 (2024) A51. doi:10.1017/jfm.2023.1060

The escape pipe was hanged and folded in the store box which is formed by several section units of bags including two layers of different materials.
The outside is formed of fire-proof material which has little weight.
The material of flexible chute is fire-proof and smog-proof.
Acknowledgements This work was financially supported by the Natural Science Foundation of Anhui province, China (1208085ME79) and Project of Anhui Province Quality Engineering of Undergraduate Teaching (20100759, 2008jyxm080).
Liu, China Safety Science Journal, Vol.19, No.8 (2009), p. 61-66 [4] C.

Saewan1,2,b,* 1School of Cosmetic Science, Mae Fah Luang University, Thailand 2Excellent center for natural product and cosmetics, Mae Fah Luang University, Thailand aanongnuchcsc@gmail.com, bnsaewan@hotmail.com Keyword: Antioxidant; Curcuma petiolata; DPPH; Reducing power Abstract.
Material and method Material. 1) Plant material.
The taxonomic identification of plant material was confirmed by Maxwell, J.F. of the CMU Herbarium, Department of Biology, Faculty of Science, Chiang Mai University, Thailand where a voucher specimen was deposited.
Africa Journal of Biotechnology, 2011, 10(24): 4932-4940; [9] Lou, Y., Zhang, H., He, H., Peng, K., Kang, N., Wei, X., Li, X., Chen, L., Yao, X., Qiu, F.

Fig.1 Schematic diagram of RC column Fig.2 Basic structure of computation model Geometric And Material Parameters.
The material of the member was steel and reinforced concrete.
However, explosion-resistant design is influenced by some uncertain factors, such as shock wave overpressure and material resistance.
Reference [1] GuoQiang Li,JianYun Sun,KaiQiang Wang.Research on A Simplified Frame Column Model to Resist Blast Load.Journal of Vibration and Shock, 2007, 26(1) , p. 8-11
Beijing: Science Press, 1983

Operating cost function of logistics transportation network The function and composition of logistics transportation network While providing transportation service to its clients, in order to minimize the logistics cost, the enterprise will firstly package, process and distribute goods and materials for different customers in the logistics center, and then organize the transportation; finally based on the clients’ need finish the evacuation and allocation in distribution centre or logistics centre near the clients.
(1) the cost of the sub-system ,“collection” For appropriate transportation of the goods, we set the sub-system, “collection” .Its fuction is to collect the materials.
[2] Jara Diaz S R, Cortes C E．On the Calculation of Scale Economies from Transport Cost Functions[J]．Journal of Transport Economics and Policy, 1996, （30）：157-170
[3] Chaohe Rong．On the Economies of Scale and Scope in Transport Network[J]．China Railway Science, 2001, 22(4)：97-104. in Chinese
[4] Alfred • D • Chandler(1990)．Scale and Scope：the Dynamics of Industrial Capitalism[M]．Zhang Yi-ren etc．Translation．China Social Sciences , 1999：159-163

The other polycyclic aromatic hydrocarbon (PAH) compounds were also found in the bio-oil produced via conventional pyrolysis of carbonaceous materials [14].
Experimental Materials.
Acknowledgment Financial support from following bodies is acknowledged: Ministry of Science & Technology (2008DFA61600); Bureau of Science & Technology, Ningbo City (2008B10048).
Journal of Analytical and Applied Pyrolysis (2012); 97:198-204

Research on Geological Characteristics and Deformation Law of Surrounding Rock of A Tunnel with Carbonaceous Schist in Northwest Hubei Province Zhiqiang Han1, a , Jian Liu1,b , Kang Bian1,c and Quan Chen1,d 1State Key Laboratory of Geomechanics and Geotechnical Engineering,Institute of Rock and Soil Mechanics,Chinese Academy of Sciences,Wuhan 430071,Hubei,China awsxlgr@126.com, bjliu@whrsm.ac.cn, cbiankang2002@163.com, dchenwoquan@163.com Keywords: carbonaceous schist , creep, water-sensitive,tunnel.
Due to the presence of hydrophilic mineral composition of the mica and argillaceous materials, carbonaceous schist could be softened easily upon encoutering water.
In the case of high moisture content, pelitic composition between the synovial surface of the carbonaceous materials changed from a solid to a plastic state and even flow plastic state.
Acknowledgements This work was financially supported by The National Natural Science Foundation of China (Grant Number: 51209198,51209199,51204158).
(in Chinese) [4] Biao Gou,Yibin Zhang: Journal of Railway Engineering Society.NO. 11(2009),p. 40.

Research of the Salinity Effect on Nail-holding Power of Dimension Lumber Ze-li QUE1,a,* ,Yue WANG1,b,Ling YANG1,c, Xu-na ZHU1,d,Yong-bing WANG2,e 1College of Materials Science and Engineering, Nanjing Forestry University, Nanjing Jiangsu 210037, China 2Suzhou Crown Homes Co.
Test Materials Nails The nails used in wood structure construction can be divided into round nails, screw (including wood screw and square head screws), twist nails, U-nails and so on in terms of shape.
The Virginia journal of science 1950;1(3):200-218

Conditions of Simulation and Experiment The material used in investigation was a CuZn37 alloy with a sheet thickness of 0.20mm, whose mechanical properties are presented in Table 1.
The stress - strain and forming limit curves of the used material are presented in Fig. 1.
The mobile grip compresses the spring and creates a blank holder force that pushes the material against the punch into die cavity; for each sheet thickness a helical spring is used, its developed force being previously calculated and verified using a load cell.
Hu, Realisation and application of size dependent FEM-simulation for deep drawing of rectangular workpieces, CIRP Journal of Manufacturing Science and Technology 4, (2011) 90-95
Boroushaki, Identification of Optimum Parameters of Deep Drawing of a Cylindrical Workpiece using Neural Network and Genetic Algorithm, World Academy of Science, Engineering and Technology. 54 (2011) 211-217