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General review of existing design According to the design data, the section shape of tunnel is shown in Figure10: geological condition of deep burying segment for V grade rock and price of engineering materials are shown as follows: Section optimization for V grade rock buried under 20 m As this rock segment is at shallow burring segment, the rock pressure can be calculated in the method specified in the highway tunnel regulation.
Journal of Central South University of Technology, 2010, 14(6):870-876 [2] Feng X T.
Chinese Journal of Rock Mechanics and Engineering, 1999, 18(4) 475~47.
Mill Valley, CA: University Science, 1989.Electronic Publication: Digital Object Identifiers (DOIs):Article in a journal [6] Kornack and P.
Rakic, “Cell Proliferation without Neurogenesis in Adult Primate Neocortex,” Science, vol. 294, Dec. 2010, pp. 2127-2130, doi:10.1126/science.1065467.Article in a conference proceedings: [7] H.

Materials and Methods Brown seaweeds (Sargassum crassifolium) were collected from the seashore of Biga, Lugait, Misamis Oriental in the Philippines.
Life Science Journal 8(4) (2011), 37 – 44
Advance Materials 17(2) (2005) 184-187
Journal of Advanced Research 7 (2016) 17–28
African Journal of Biotechnology 14(18) (2015): 1525-1532

Materials and methods Instruments,reagents and materials WatersHPLC(Waters Corporation); Centrifuge (Japan-Hitachi); Nitrogen blow instrument(Un- ited States Organomation); Vortex mixer (Germany IKA); Solid-phase extraction device (HP6019); Electronic balance (AUY 220 Shanghai balance instrument factory).
Xu, Determination of residues of carbendazim and thiabendazole pesticides in fruits by disper sive solid- phase extr action ( disper sive SPE) and HPLC ，J.Journal of Fruit Science, 25(2008)769-773
Jiang, The determination of carbendazim and imidacloprid residues in asparagus by HPLC,J.Chinese Journal of Pesticide Science, 6 (2004), 93-96
,Panax Quinquefolium and Their Preparations by HPLC-MS,J.Chinese Journal of Analytical Chemistry,34(2006)235-238
Shan,Y.Q Z,Determination of 4 Pestic- ides Residues in Citrus and Essential Oil by UPLC-MS,J.Chinese Journal of Analytical Chemistry, 40 (20 12)474-477

Materials Science Forum Vols. *** (2004) pp.448-452 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Plasma-particle Interaction in Spray Forming J.C.
Materials Science Forum Vols. *** 449 Imaging of Plasma Jet Plasma is the direct energy source when the powders are heated in the plasma jet.
Materials Science Forum Vols. *** 453 References [1] S.
Yu, et al: Materials Letters Vol. 57 (2002), p. 882 [3] P.C.
Vardelle: International Journal of Thermal Sciences Vol. 39 (2000), p. 852 [5] J.P.

Experimental results deepen understanding of the complex nature of plasma jet, which have a guiding significance on the plasma technology in materials processing application. 1.
Introduction Plasma spray forming technology is internationally newly developed material processing technology that heats and accelerates powder material in the high temperature and high-speed plasma jet, so that powder material impacts spray model in molten or semi-molten state, then it takes shape rapidly with quench solidification.
Journal of Materials Processing Technology, 2002, 129(11): 288-293
Journal of Thermal Spray Technology, 1998(7):392-402
Journal of Materials Processing Technology, 2002,129(1): 250-254.

In the light of this, many researchers have studied the effect of raw materials and spinning condition on yarn properties.
Materials and methods: Uster HVI 1000 Testing System was used to determine all the physical and quality properties of the USA cotton fibers used in the study according to the standards of committee ASTM (ASTM Committee, 1997a).
Middle East Journal of Applied Sciences V. (8) P. (2018) 1256-1263
[3] E Oner, S Topcuoglu and O Kutlu, The effect of cotton fiber characteristic on yarn properties; IOP Conference Series 2018: Materials Science and Engineering, 459 012057
The International Journal of Materials and Engineering Technology (TIJMET) (2022) 5(2)

Microwave absorbing materials are applied in stealth, communications and information processing technologies.
Nanostructured Fe-Co alloys are soft magnetic materials that make them promising candidates for microwave absorption when combined with other materials.
Azzaz, Effects of minor elements additions to the nanocrystalline FeAl alloy produced by powder metallurgy, Materials Science Forum, vol. 1005 (2020) pp3-9
Suryanarayana, Mechanical Alloying: a novel technique to synthesize advanced materials, Official Journal of Cast Research, vol. 2019 (2019)
Estrin, Analytical and numerical approaches to modelling severe plastic deformation, Progress in Materials Science 95 (2018) pp172-242

Introduction The basic requirement for soldering materials is that their melting temperature is lower than that of the parts being soldered to ensure proper conductivity and mechanical contact between the parts without damaging them.
A-11/1/KONV-2012-0019 “Development of environmentally safe solders for automotive industry from primary and secondary resources based on materials science considerations” carried out at the University of Miskolc.
[2] Kattner, U.R.: Phase diagrams for Lead-free solder alloys, Journal of The Minerals, Metals & Materials Society, 54, 2002, p. 45-51
[5] Gourlay, C.M.; Nogita, K.; Read, J.; Dahle, A.K.: Intermetallic formation and fluidity in Sn-rich Sn-Cu-Ni alloys, Journal of Electronic Materials, 39, 1, 2010, p. 56-69
[6] Snugovsky, L.; Snugovsky, P.; Perovic, D.D.; Rutter, J.W.: Phase equilibria in Sn rich corner of Cu-Ni-Sn system, Materials Science and Technology, 22, 8, 2006, p. 899-902

Introduction Steel is still one of the most important engineering materials in use today for structural works regardless of vehement competition for other purposes [1].
A good numbers of researchers [4,5,6,7,8] have conducted investigations into the causes of building collapses and one of the most frequently adduced causes is that the structural properties of the materials used in the actual constructions do not conform with standards.
Materials and Method The materials used in this research include medium carbon steel (with chemical composition shown in Table 1) and quenching media which include coconut water (CW), pap water (PW) and spent engine oil (SPE).
Olatunde, Challenges of producing quality construction steel bars in West Africa: Case-study of Nigeria steel industry, Journal of mineral and materials characterization & engineering. 8(2009) 283-292
K Odusote and A.A Adeleke, Analysis of Properties of Reinforcing SteelBars: Case Study of Collapsed Buildings in Lagos, Nigeria, Applied Mechanics & Materials Journals. 204-208 (2012) 3052-3056

HA and fibroin were prepared from natural materials.
Many natural and synthetic materials, such as HA, fibroin and chitosan, are widely used to fabricate porous scaffold.
Materials and Method HA Preparation Mollusk shells were soaked and cleaned in H2O2.
Kundu, Silk fibroin/gelatin multi layered films as a model system for controlled drug release, European Journal of Pharmaceutical Sciences 37 (2009) 160-171
Zhang, Preparation of chitosan/silk fibroin/hydroxyapatite porous scaffold and its characteristics in comparison to bi-component scaffold, Journal of Biomedical Materials Research 102A (2014) 366-372.