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Work with the ultrasonic so long time, the temperature is getting higher, so flavonoid structure was destroyed [10], the yield decreased.
[6] Dorman H J D, Kosar M, Kahlos K,et al.Antioxidant properties and composition of aqueous extracts from Mentha species,hybrids,varieties, and cultivars[J].Journal of Agricultural and Food Chemistry, 51(2003):4563–4569

The vesicular structure and native columnar joint does not develop and tectonic fractures develop in the basalt of the dam area.
Yabuuchi: Physics and Chemistry of the Earth.

Materials Physics, Eötvös University, Budapest, H-1518, P.O.B. 32, Budapest, Hungary 2Faculty of Chemistry, Univ.
The practically similar ΔHabs values of the fully amorphous and crystalline states indicate that the amount of the absorbed hydrogen under the applied conditions is independent from the atomic structure [13].

The Characteristics and Preparation Process of Plate-type Catalysts Compared with honeycomb catalysts, the plate-type catalysts have some advantages as follows: (1) Have an excellent abrasion resistance, due to their skeleton structure made of stainless steel wire; (2) Have a good blocking resistance and small pressure loss, because of their big opening ratio, (3) Inhibit the reaction of SO2 into SO3, attributed to thin thickness of the plate-type catalyst wall( the SO2 oxidation reaction mainly occurs in the inner of the catalyst); (4) The preparation process of plate-type catalysts is quite easy [2].
Fuel Chemistry and Technology, Vol. 40 (2012) No.2, p. 241.

(a) Quality of billet, (b) Hot forming temperature, (c) Temperature of tooling, (d) Forming force & pressure, (e) Hot forging ratio, (f) Hot working speed, (g) Lubrication and coefficient of friction, (h) Billet length, (i) Surface finish of the ingoing Billet and (j) Chemistry of alloy.
Hot piercing yield ~ 93% Image at Cross section AA 50 µm Figure 10(a) and 10(b) Pierced pipe inside diameter surface cracks {depth 0.32mm} observed in micro-structure analysis after polishing the cut cross section at the marked location.

Water absorption mechanism into rice bran/PLA composites was caused by the PLA structure (-OH), due to attraction between the molecules of PLA and water.
Settle (Ed.), Handbook of Instrumental Techniques for Analytical Chemistry, Prentice Hall, Upper Saddle River, NJ., 1997, pp. 265-266

Keywords co-occurrence analysis is based on the analysis of the literature content features methods to analyze the relationship between the frequency and co-occurrence of words within the metering unit, thus revealing the internal structure of a particular subject area knowledge of the evolution of the situation, as well as research hot spot and the forefront of scientific research, it is based on the basic theory of literature metrology zipf's law.
Analysis of the field of physical chemistry of surfactants with the unified scienctometric model[J].

In Vitro Biological Evaluation of Anti-Tumor Effect of the Chelate-Setting Hydroxyapatite Cement Michiyo Honda1,a, Toshiisa Konishi1,b, Minori Mizumoto1,c and Mamoru Aizawa1,2,d 1 Aizawa “Next -generation Bioceramics” Project, Kanagawa Academy of Science and Technology (KAST), 3-2-1 Sakado, Takatsu-ku, Kawasaki, Kanagawa, 213-0012, Japan 2 Department of Applied Chemistry, School of Science and Technology, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki, Kanagawa, 214-8571, Japan aap-honda@newkast.or.jp, bap-konishi@newkast.or.jp, cap-mizumoto@newkast.or.jp, dmamorua@isc.meiji.ac.jp Keywords: Hydroxyapatite, cement, Inositol hexaphosphate, anti-tumor, apoptosis Abstract.
Especially, calcium-phosphate cements (CPCs) has the major advantage of being able to readily adapt to the shape of bone defect under minimally-invasive surgical procedures, rapidly integrate into bone structure and be transformed into new bone [3].

Kovac, “Carbon and nitrogen isotope composition of particulate organic matter in relation to mucilage formation in the northern Adriatic Sea”, Marine Chemistry, vol.114, pp.102-109, 2009
Holl, “Food web structure in two counter-rotating eddies based on d15N and d13C isotopic analyses”, Deep-Sea Research II , vol.54, pp.1055-1075, 2007

Pure silica exists in two forms, namely quartz and cristobalite and has a structure where four O atoms surround each Si atom forming an O-Si-O bond leading to the product formula SiO2 [3].
Materials Chemistry and Physics 81. 2003; 345 - 348 [16] Sulistiyono Eka, S.