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Introduction Human-like collagen (HLC), expressed by recombinant E. coli BL21 containing HLC cDNA, is water-soluble and has a tri-helix structure [1].The advantages of HLC such as low immunogenicity and no virus risk have made it to be a novel biomedical material used as hemostatic material, a novel scaffolding biomaterial for artificial bones, skin tissues and vascular tissues etc. [2].
Journal of Industrial and Engineering Chemistry (China), 53, 752-754 (2002)

Introduction The structure of compounds containing the epoxy ring with the active hydrogen containing organic compound (called initiators) to polymerization reaction of molecular main chain polymers containing ether bonds, known as the polyether.
Progress in chemistry.Vol.19(2007),p.575~580 [6] ZHU Xuwei, YANG Pengfei, LI Junying.

Structure of thermodynamic system in High-Speed Machining Fundamental of thermodynamic.
The theory and methods in thermodynamics are not limited in its physics range and extend to chemistry, biology, various engineering science, cosmography and even social science.

Facile Synthesis of Symmetrical Homonucleotides of Antiviral Nucleosides Jian Suna, Shan-Shan Gongb, Qi Sunc,* Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University 605 Fenglin Avenue, Nanchang, Jiangxi 330013, PR China aemail:sunjian_jxstnu@163.com, bemail: gongshanshan33@gmail.com, cemail: sunqi96@tsinghua.org.cn Keywords: Zidovudine; Stavudine; Homodinucleotides; Phosphoropiperidate; DCI Abstract.
The structures of AZT and d4T and corresponding homodinucleotides.

Because the molecular structure of each gas is different from one another, each gas has its specific absorption line.
Applied Physics B Photophysics and Laser Chemistry, Vol.26 (1981), p.203-210 [3] Serdar Özoğuz ,  Ali Toker.

Up to present, the evaluation of wall shear stress associated with the structure and function of the blood flow has been subject of several studies.
Sultanov, Dennis Guster, Brent Engelbrekt and Richard Blankenbecler; “ 3D Computer Simulations of Pulsatile Human Blood Flows in Vessels and in the Aortic Arch: Investigation of Non-Newtonian Characteristics of Human Blood,” 11th IEEE International Conference on Computational Science and Engineering, 2008 [4] Information on:http://en.wikipedia. org/wiki/ Atherosclerosis [5] Liu Wen-Ming, Li Li, Ren Li, Wang Jian-Chun, Tu Qin, Wang Xue-Qin and Wang Jin-Yi, “Diversification of Microfluidic Chip for Applications in Cell-Based Bioanalysis, Chinese Journal Of Analytical Chemistry, Volume 40, Issue 1, January 2012 [6] XiangdongXue, Mayur K.

FEC-LiTFSI-Pyr1ATFSI ionic liquid electrolyte to improve low temperature performance of lithium-ion batteries Xiaoxue Zhang1,a, Zhenfeng Wang, Cuihua Li, Jianhong Liu, Qianling Zhang 1School of Chemistry and Chemical Engineering, Shenzhen University, No.3688, Nanhai District, Shenzhen 518052, China a719109703@qq.com Keywords: electrolyte; Fluoroethylene carbonate; low temperature Abstract.
It certified that the cycles of the half cells at low temperature don’t destroy the structure of the whole cells including the electrode, electrolytes and separator. 3.3 The effect of FEC on surface morphology at -30℃ SEM images for LiFePO4 electrode in the composite electrolyte without and with FEC after having cycled at -30℃ was shown on Fig.3.The particles of the LiFePO4 of the FEC-free cells are larger and more inhomogenous, and also the cracks between the particles are broader than FEC- containing cells.

Effect of Ca2+ on Structure and Corrosion Resistance of Conversion Coating Formd on Cast AZ91D Magnesium Alloys Wanqiu Zhoua* , Shiwei Wub, Li Shengc and Xin Lid College of Chemistry and Life Science, Shenyang Normal University, Shenyang, China aemail: wqzhou@imr.ac.cn, bemail: swwu@163.com, cemail: lsheng@163.com, demail: xli@163.com Keywords: Conversion coating, corrosion resistance, Ca2+, magnesium alloys Abstract.

The PP polymer used in the study has a linear structure, whereas PET and PS polymers have more complex structures containing functional groups such as aromatic rings, carbonyl groups, and C=C bonds.
The influence of irradiation temperature on crosslinking behavior and molecular structure of isoprene nitrile elastomer.
International Research Journal of Pure and Applied Chemistry, 24(3), 1–12. https://journalirjpac.com/index.php/IRJPAC/article/view/845 [8] Riadh, M. (2025).
American Journal of Analytical Chemistry, 7, 246–253
European Journal of Chemistry, 16(2), 201–206. https://dx.doi.org/10.5155/eurjchem.16.2.201-206.2655 [29] Campo, E.

When the temperature of the system dropped quickly, the structure transforming process began.
The Cu9Al4-based solid solution of γ2 phase has the complicated body centered cubic structure, which makes it hard and brittle.
In Fig.5(b), α phase is the solid solution of Cu in Al, which has FCC structure, as well as good strength and ductility. β phase is the solid solution based on Al2Cu3 electronic compound, which has BCC structure.
When the temperature of the system dropped quickly, the structure transforming process began.
Lange’s Handbook of Chemistry, 15th ed[M].