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Experimental Materials and Methods Materials.
International Materials Reviews, 2012, 57(2):73-91
Materials 2020, 13(1), 68
Metal Material Science.
Fatigue & Fracture of Engineering Materials & Structures, 1999. 22: 545- 557.

Zainal: Materials Letters Vol. 61 (2006), p. 2023-2025
Noor: Advanced Materials Research Vol.264-265 (2011), p. 513-517
Sanuddin: Materials and Design Vol 32 (2011), p. 1039-1043
Ming: Materials and Design Vol. 40, (2012), p. 378–385
Rajendran: Materials and Design Vol 32 (2011), p. 3016-3084.

Experimental Materials and reagents The fructus ligustri lucidi was picked in Xi'an University of Arts and Science，China.
Isolation and purification of yellow pigment Took fructus ligustri lucidi as raw materials.
These materials were shattered into 80 mesh and extracted pigment for 1.5 hours, at the temperature 80˚C, with 70% (v%)ethanol, the ration of materials and solvent at 1:20, then repeated the extraction for 3 times.
Yang, S.H.Qian, Journal of Chinese Medicinal Materials, 30,5(2007).P538-540
Journal of Chromatography A, 1112(2006).P1–63

In this paper, based on 28-day cubic compressive strength fcu and splitting strength fts of pervious concrete with different porosity, aggregate size and of cubic size, correlation analysis was conducted among these three factors and strength using the software of SPSS (Statistical Package for the Social Sciences), in which a logarithmic function was used to do linear regression fitting about the relationship among the three parameters and the strength and then a formula was proposed.
Each group of test concrete water-cement ratio W/C is 0.35, and the cement is drilling license P.O425 produced by New Building Materials Co., Ltd in Sanhe Yanjiao.
Several factors impacting on the performance of porous pervious concrete, Journal of Building Materials, October 2005.
(Journal of Building Material, Vol.8, No.5, Oct., 2005).
Sichuan Building Science.

Institute of environment science and engineering, Kunming university of science and technology, Kunming, China 2.
Journal of Hydrology, 2010 384(2):1-13
Journal of Hydrology, 2010, 395(1): 103-108
Impact o f vegetation cover and slope on runoff erosion, and water quality for field plots on a range of soil and spoil materials on central Queensland coal mines[J] .
Journal of Hydrology, 1993(143)3:279-295

The forth on the normal direction is P, deformation on the normal direction is δ, so the load on this point is E is two contact materials’ modulus of elasticity.
E1,E2 is the separate modulus of elasticity of the two materials.v1,v2 is the poisson ratio of the two materials.
Journal of applied mechanics, 2000
Journal of agricultural machinery, 2009, 12 (11)
Xian university of science and technology thesis. 2012 01.

Effects of Cobalt Chloride on Determination of Cadmium in Radix aucklandiae by Hydride Generation-Atomic Fluorescence Spectrometry Qingshan Pan, Wei Liua, Dushu Huang, Bo Zhou, Na Wu, Ling Shi School of Science, Honghe University, Key Loboratory of Natural Pharmaceutical & Chemical Biology of Yunnan Province Mengzi, Yunnan 661199,P.R.
It is one of the main raw materials and ingredients of many proprietary Chinese medicine formulations. cadmium is known to be the most easy one of the long-term accumulation of toxic elements in the human body[1-2].Cadmium can damage the body's renal tubule epithelial cells, clinical experience was high calcium in urine, protein in urine, glucose in urine, amino acids in urine, eventually causing the negative calcium balance, causing osteoporosis.
Araujo, Djane S. de Jesus: Journal of Hazardous Materials, Vol. 137 (2006), p. 1357 [2] Alaa S.
Gouda: Food Chemistry, Vol. 132 (2012), p. 518 [3] Edson Luiz Silva, Paulo dos Santos Roldan: Journal of Hazardous Materials, Vol. 161 (2009), p. 142 [4] Assadollah Beiraghi, Saeed Babaee, Mina Roshdi: Microchemical Journal, Vol. 100 (2012), p. 66 [5] Xiaodong Wen, Qiuling Yang, Zhidong Yan, Qingwen Deng: Microchemical Journal, Vol. 97 (2011), p. 249

From the available solutions for improving the efficiency of PV conversion, three methods are suggested which consists of the solar tracking [1,2,3], the optimization of solar cell configuration and geometry [4,5], new materials and technologies [7,8,9].
Okpeki et al. [13] implemented the Design and Construction of a Bi–Directional Solar Tracking System.The amount of power available from a photovoltaic panel is determined by three parameters, the type and area of the materials, the intensity of the sunlight and the wavelength of the sunlight.
Journal of Green Energy. (2005) 233-242, [6] J.
Turmezei, Chalcogenide Materials for Solar Energy Conversion, Acta Polytechnica Hungarica. 1 (2004) 13-16
[13] Okpeki.U.K, Otuagoma.S.O, Design and Construction of a Bi–Directional Solar Tracking system: International Journal of Engineering and science. 2 (2013) 32-38.

Costa1,d 1Federal University of Campina Grande, Departament of Materials Engineering, Av.
The hysteresis loops demonstrated the formation of ferromagnetic materials with Curie temperatures above room temperature.
Lunney: Journal of Magnetism and Magnetic Materials Vol. 320 (2008), p. 2563
Ohno: Science Vol. 73 (1998), p. 281
Chandrasekaran: Materials Chemistry and Physics Vol. 123 (2010), p. 450

Introduction Chen and Song (2003) have researched the EOQ model which studied a single item's optimal policy for maintenance materials inventory.
This thesis proposed a policy called M(s, S) that ordering all kinds of maintenance materials unanimous.
At the same time, ordering other maintenance materials (≠) and this order is called joint ordering.
Consider that the loss of backorder of maintenance materials, we should set security stock to insure the readiness.
And is 10 for all kinds of materials, the requirement fill rate is 0.9.