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That may be because joint effect of fiber molecular chain and fiber inner structure.
On the other hand, swelling changed fiber inner structure and made it uniform.
Uniform structure may decrease inside stress and increase fiber breaking strength.
The crystallinity decreased clearly, which meant structure of fibers had changed.
References [1] C.K.Pillai, C.P.Sharmaa, Review paper: absorbable polymeric surgical sutures: chemistry, production, properties, biodegradability, and performance, J.Biomater.

The rock mass structure is mostly researched through the field statistical indicators related to the structure surface features.
The main structure type is fracture structures in dam site.
Rock mass structure mechanics.
On the theory of structure-controlled rock mass.
Chemistry Industry Press, Beijing, China (2009)

But due to the low crystallinity of hydrates, the internal structure of the material is still not sufficiently accessible to the electrolyte ions.
The β-Ni(OH)2 – is a layered structure in which the distance between the layers of hexagonal nickel planes is 0.46 nm, whereas the α-Ni(OH)2 structure consists of layers similar to β-Ni(OH)2 intercalated with water molecules, with an interlayer distance of 0.7-0.9 nm [15].
Physics and Chemistry of Solid State. 22 (2021) 481-486.
Physics and Chemistry of Solid State. 23 (2022) 341-346.
Fievet, A. de Guibert, Review of the structure and the electrochemistry of nickel hydroxides and oxy-hydroxides.

The results from the X-ray Diffraction (XRD) technique revealed that the structure of TiO2/LDPE composite film were anatase crystalline.
The chemical structure of the TiO2/ LDPE composite films were analyzed by an ATR- Fourier transforms infrared (ATR-FTIR) spectrometer.
(3) Attenuated total reflectance-Fourier Transform Infrared (ATR-FTIR) Spectroscopy analysis: Chemistry functional groups of the TiO2/LDPE composite films were studied the by Fourier transform infrared (FTIR) spectroscopy with ATR mode.
TiO2/LDPE composite films show the clear sharp peaks indicating the anatase crystalline structure.
The results of XRD examination showed that the TiO2 on the LDPE composite film had the major structure in anatase form.

The temperature coefficient of resonator frequency (τf ) was calculated at the range between 20ºC and 80ºC Results and Discussion Fig. 1 show X-ray diffraction patterns of CLNZ−0.04TiO2 with B2O3 specimens sintered at 950ºC for 4h.The diffraction peaks can be indexed according to the CaTiO3 -type orthorhombic perovskite structure.
Kang: Matericals Chemistry and Physics.

Zeolite is a hydrated aluminum silicate mineral of the skeleton structure, it has good adsorption and cation exchange properties and it has a unique effect for the wastewater treatment [6].
America), Dicumyl peroxide (DCP) (Shanghai Chemical Co., China), Liquid olefin (Zhenhai Institute of Applied Chemistry, China), Zeolite (Liaoning Province, China), Aniline (Beijing Chemical Co., China).

Synthesis and Properties of a Novel Unsymmetrical Diarylethene with a Benzothiophene and a Thiazole Group Hongjing Jia, Shouzhi Pu * and Congbin Fan Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, P.
The structure of compound 1o was confirmed by 1H NMR spectroscopy.

Synthesis and properties of 1-(2-methyl-5-chloro-3-thienyl)-2- (2-trifluoromethylphenyl) perfluorocyclopentene Shuijun Xia, Haichang Ding and Gang Liu* Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, P.
The structure of compound 1a was confirmed by 1H NMR (400 MHz, CDCl3): δ 2.10 (s, 3H, -CH3), 6.61 (s, 1H, thiophene-H), 7.40 (d, 1H, J =8.00 Hz, phenyl-H), 7.60-7.65 (m, 2H, phenyl-H), 7.72 (d, 1H, J=8.00 Hz, phenyl-H).

The Study of using Bio-filler from Cassava Pulp in Natural Rubber Composites Watcharin Ruangudomsakul 1, a, Chaiwat Ruksakulpiwat 2,b and Yupaporn Ruksakulpiwat 1,c 1 School of Polymer Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand 2 Departments of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand awatcha_bom@hotmail.com, b charuk@kku.ac.th, c yupa@sut.ac.th Keyword: Cassava pulp, Natural rubber, Bio-filler, Natural Rubber Composites Abstract.
The morphological structures of fractured surface of samples obtained from tensile test were studied by scanning electron microscopy (JOEL machine model JSM6400) operated at 15 kV.

The microstructure of weld metal near the fusion line indicated columnar structure.
Sun ,J.Wei ,K.Sivaprasad “Microstructural characterization and grain refinement of AA6082 gas tungsten arc welds by scandium modified fillers” Materials Chemistry and Physics 137 (2012) 543e551 [8] The Standard in TIG Welding ,TOLL FREE; (800) 426.0877 www.CKWORLDWIDE.com [9] Standard Test Method for Tensile Testing of Metallic Materials, Designation: E8/E8M-09, American Association State Highway and Transportation Officials Standard AASHTO NO: T68 An American National Standard [10] Prapas Mungjunburee “Welding Engineering” Department of Mining and Materials Engineering, Prince of Songkhla University