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By attacking cell envelopes, leakage of cell contents resulted in cell lysis; by attacking enzymes, O3 interrupts the enzyme activity of microorganisms; while attacking the nucleic materials, O3 interferes with the transcription activity of microorganisms[1].
However, POAA can be influence by temperature and pH of solution, and the presence of organic materials[11-12].
Bactericidal Effects of Fresh-Cut Vegetables and Fruits after Subsequent Washing with Chlorine Dioxide.International Conference on Food Engineering and Biotechnology.
Journal of Food Engineering, 91, pp. 582-586(2009)
Journal of Biomedical Materials Research, 52(4), pp. 662-668(1999)

Developing a Physically Cross-Linked Hydroxyethyl Cellulose Hydrogel for Wound Dressing Applications Jamico Jamlang1,a, Mica Therese Marañon1,b, Girro Jonn Rigor1,c and Terence Tumolva1,d 1Green Materials Laboratory, Department of Chemical Engineering, University of the Philippines, Diliman, Quezon City 1101 Philippines ajyjamlang@up.edu.ph, bmica.maranon@yahoo.com, cgirrorigor@gmail.com, dtptumolva@up.edu.ph Keywords: wound dressing, hydroxyethyl cellulose, hydrogel, diffusion.
This promotes granulation, epithelialization, and autolytic debridement, the three key processes in wound healing.
Natural hydrogels, on the other hand, are made up of natural polymer-based materials, such as collagen, alginate, chitosan, and dextran.
Materials and Methods Materials.
Madaghiele: Materials Vol. 2009 (2009), pp. 353-373

These optical sensors have been developed for several applications in areas like engineering, biology, medicine, environment, etc [1-3].
Several types of supporting materials have been investigated, like silicone [13], polystyrene [14], silica gels [15], ethylcellulose [16], etc, and mixtures of some of these materials [17].
It was found that, in general, sol-gel materials present much higher solubility.
Experimental Section Materials.
Wolfbeis: Oxygen-Sensitive Luminescent Materials Based on Silicone-Soluble Ruthenium Diimine Complexes, Anal.Chem., 67 (1995), p. 3160-3166 [14] P.

It is connected with degradation of properties of protecting designs over time and with application of new, more power effective construction materials.
Nonsteady filtration in a uniform soil mass // Power Technology and Engineering. №46 (3).
Nonsteady filtration in a uniform soil mass // Power Technology and Engineering. №46 (3).
Approximation of the depression curve of the inflow to an ideal trench // Power Technology and Engineering. №44 (5).
Approximation of the depression curve of the inflow to an ideal trench // Power Technology and Engineering. №44 (5).

Network optimization engineer can analyze the cell coverage conveniently and precisely.
To divide the site level of the base station is the key problem to confirm the cell coverage area.
The partition result is satisfied with the real engineering experience.
It improves the availability and efficiency of the analysis tool for optimization engineers.
[9] Jia Jinzhang, Liu Jian, and Song Shousen: Connectivity criteria based on adjacency matrix graphs, Journal of Liaoning university of engineering technology, 2003,22 (02), p.158-161.

Peng 2, b ,＊ 1College of Forestry;South China Agricultural University; Guangzhou 510642,China 2 State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou 510275, China agzyyn@scau.edu.cnl, b lsspsl@mail.sysu.edu.cn ＊Corresponding Author Keywords: Dynamic, Restoration ecological economic value, Vegetation restoration, Tropical China.
Because a large amount of organic and inorganic material contained by surface soil can be lost with eroded soil, soil conservation results in a reduction of fertility loss.
The economic value of climate regulation can be calculated by shadow engineering.
Ecological Engineering, N°15, 171–180, 2000 [11] J.
Ecological engineering, N°29, 249-258, 2007 [16] Y.

The search technology of query expansion based on the agriculture information Zhang shudong1, a, Wang jing2,b 1 Capital Normal University, Information Engineering College, Beijing, 100048, China 1 Capital Normal University, Information Engineering College, Beijing, 100048, China azsd@mail.cnu.edu.cn, bwj_88n@163.com Keywords: Agriculture, Feature Extraction, HowNet, Semantic Similarity.
Therefore, information retrieval technology should focus on how to make rational and efficient use of semantic content, which is the key to improve information retrieval fundamentally.
The experimental results are as follows: Table 2 Word 1 Word 2 Word 1 semantics Word 2 semantics Similarity degree Crops grain Wheat Crop, generic Crop 0.600 Crops grain Rice Crop, generic Crop 0.600 Crops grain Corn Crop, generic Crop, part, embryo 0.600 Crops grain Soybean Crop, generic Vegetable, part, embryo, eat 0.267 Crops grain Cereal Crop, generic Material, food, crop 0.126 Crops grain Fruits Crop, generic Fruit 0.267 Crops grain Green stuff Crop, generic Vegetable 0.267 Table 3 Word 1 Word 2 Word 1 semantics Word 2 semantics Similarity degree Fruits Apple Fruit Fruit 1.000 Fruits Pear Fruit Fruit 1.000 Fruits Watermelon Fruit Fruit 1.000 Fruits Amphisarca Fruit Fruit 1.000 Fruits Green stuff Fruit Vegetable 0.444 Fruits flower Fruit Flower Grass 0.444 Through the experimental results Table 2 and Table 3, you will find out that if the two words have the same or similar sememe, the similarity degree of them is high, even it may be reached for 1, such as fruit and apple
Computer Engineering, 2008,34（16）： 92---94 [3] Zhao lin, Hu tian etc.

Identification of crack parameters in a cantilever beam under uncertain end conditions Wang Zhihua1,a Jing Lin1,b Zhang Weiwei2,c Ma Hongwei2,d 1Institute of Applied Mechanics and Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China 2College of Science & Engineering, Jinan University, Guangzhou 510632, China a wangzh623@yahoo.com.cn bJinglin5966.student@sina.com c zwwps@126.com d tmahw@jnu.edu.cn Key words：：：：crack; parameter identification; cantilever beam Abstract.
The material data are as follows: 2 11 /101.2 m� E ×= , 3 /7860 mkg=ρ , 3.0=ν .The crack is artificially made on the cantilever beam by a saw cut normal to the beams' longitudinal axis.
References [1] Dimaroogonas A D: Engineering Fracture Mechanics.

Modifying the Microstructure and Mechanical Properties of Non-Heat Treated HPDC AlSi10MnMg Foundry Alloy via Incorporation of TiB2 Particles and Sc Nisha Shareef1,a, Xiangting Liu1,b, Kai zhao1,c, Muhammad Saqib Shahzad4,d, Jingtao Zhang4,e, Enyu Guo1,2,f, Huijun Kang1,2,g, Zhigang Hao2,h, Jiehua Li2,3,i, Cunshan Wang4,j, Zongning Chen1,2,k* and Tongmin Wang1,2,l 1Key Laboratory of Solidification Control and Digital Preparation Technology (Liaoning Province), School of Materials Science and Engineering, Dalian University of Technology, Dalian, 116024, China 2Ningbo Institute of Dalian University of Technology, Ningbo 315000, China 3Institute of Casting Research, Montanuniversität Leoben, Leoben, A-8700, Austria 4Key Laboratory of Materials Modification by Laser, Ion and Electron Beams, Dalian University of Technology, Dalian, Liaoning 116024, PR China anishach044@gmail.com, bliuxiangting98@163.com, ckzhao@mail.dlut.edu.cn, dsaqibsa7861@gmail.com, ezjt070913@buaa.edu.cn, feyguo@dlut.edu.cn
Utilizing lightweight materials, such as Al-Si alloys has several benefits, including higher overall performance in automobiles and other industries, increased heat resistance efficiency, decreased emissions, and reduced weight.
Silafont 36® for the industry, was developed to serve as the white-body materials for near-net shape-casting.
The combination of superior ductility and excellent castability ensures a high robustness of joining dissimilar materials for the self-piercing riveting process.
Materials preparation.

Introduction An increasing number of environmental regulations, the new development of new materials with environmental friendly properties are recognized as an effective method toward the goal of environmental pollution.
Therefore, there have been many efforts to replace petrol-based materials with natural-resource based materials.
During recent years, the use of natural fibers materials as reinforced polymer composites has become the hotspot of among researchers, such as flax, jute, hemp and ramie [1-5].
The sisal fiber is not only a widely used natural resource and one of the major natural fibers produced worldwide, but also is a very interesting low cost, renewable engineering material.
Materials and Experiment Materials The sisal fiber used in the experiments was supplied from the producers’ Guangxi Sisal Company in Guangxi province in China.