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Acknowledgments This work was supported by the National Natural Science Foundation of China (51176172) and the Zhejiang Provincial Natural Science Foundation of China (Y1110642, R1100065).
Perry, An experimental study of round jets in cross-flow, Journal of fluid mechanics. 306 (1996) 111-144
Li, Study on round turbulent jet in a cross flow with PIV, Advances in water science. 13 (2002) 588-593
Soldati, Mechanisms for microparticle dispersion in a jet in cross-flow, AICHE Journal. 51 (2005) 28-43

Materials and Methods A technology for butt-welding polyethylene pipes with heated tool has been developed on the basis of mathematical modeling of thermal processes at the Institute of Oil and Gas Problems of the Siberian Branch of the Russian Academy of Sciences.
Muzia, Thermography in plastics welding processes assessment, Journal of Achievements in Materials and manufacturing Engineering, 41 (2010) 40-47
Misra, Microscopic aspects of surface deformation and fracture of high density polyethylene, Materials Science and Engineering Group: А, 367 (2004) 248-260
Jing, Study on Fracture Properties of High-density Polyethylene (HDPE) Pipe, Key Engineering Materials, 261-263 (2004) 153-158
Vol'nov, Gas pipelines from polymeric materials, Zhurnal «Volga - XXI vek», Saratov, 2007

Materials and equipments Materials. 1-methyl imidazole (AR, Sinopharm Chemical Reagent Co., Ltd.); 1-butyl bromide (AR, Shanghai shanpu chemical Co., Ltd.); Acetonitrile (AR, Tianjin Kemiou Chemical Reagent Co., Ltd.); Potassium hydroxide (AR, Tianjin Fengchuan Chemical Reagent science And Technology Co., Ltd.); Ethyl acetate (AR, Sinopharm Chemical Reagent Co., Ltd.); Trench oil (self-control).
So the optimum amount of catalyst was for the quality of raw materials 3.0% oil.
Modern Food Science and Technology, 2008, 24(4): 378~380 (in Chinese)
Chinese Journal of Analysis Laboratory, 2004, 23(4): 8~11 (in Chinese)
Journal of Wuhan Polytechnic University, 2007, 25(4): 1~4, 12 (in Chinese)

The Influence of Composition on the Material Structure and Performance of 3104 Aluminum-Alloy Canbody Material Ruiyin Huang 1,2,a Zhimin Yin1,b Qiwu Huang1,c Mingshun Liao2,d 1School of Materials Science and Engineering, Central South University, Changsha , 410083, China 2Chalco Ruimin Co., Ltd, Fuzhou, Fujian, 350015, China ahuangruiyin868@163.com, bzmyin@163.com, chuangjw@csut.com.cn, djekdm@163.com Keywords: 3104 Aluminum Alloy, Can-body, Texture, Earing Rate Abstract: Effect of content of Fe,Si and Fe/Si on Structure and Properties of 3014 can-body were studied by using tensile test, stamping test, SEM, XRD, etc.
These changes raise the requirement of material.
The improvement of material’s earing rate and internal structure has been the main concerns of canbody material researches.
Refer to Figure 1 for the cupping effect of canbody material.
[2] Jiang Xianquan, Zhang Xiujin, Wen Hua, Query and reconstruction of the formula of cupping earing ,The Chinese Journal of Nonferrous Metals[J],Vo1.9(1999) ,Suppl.1:275-277

Such damage becomes an obstacle to the more extensive usage of composite materials.
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Byrd: Journal of Composite Materials, Vol. 36 (2002), p. 1859
Talreja: Damage Mechanics of Composite Materials, Composite Material Series 9 (Elsevier Science B.V., Amsterdan 1994).

Williams et al. [5] found that not all materials were etched in all etchants due to time limitations.
Three materials were appeared to be well etched in molten-salt etch and one material in electrolytic etching method.
Viana: Materials Science and Engineering A Vol. 301 (2001), p. 118-124
King: Materials Characterization Vol 34-1 (1995), p. 1-8
Pa: Materials and Design Vol. 9 (2008), p. 230-232.

The Effect of the Operational Conditions on the Quantitative Leak Rate of Leak Detectors Yong-Hyeon SHINa , Seung Soo HONGb , In Tae LIM c and Kwang Hwa CHUNGd Center for Vacuum Technology, Korea Research Institute of Standards and Sciences, Doryong-dong 1, Yousung-gu, Daejeon, 305-340, Rep. of KOREA a yhshin@kriss.re.kr, bsshong@kriss.re.kr, citlim@kriss.re.kr, dkhchung@kriss.re.kr Keywords: Leak, Leak test, Leak rate, Leak detector, Sniffer.
The Korea Research Institute of Standards and Sciences has developed and maintained leak standards systems, and has accumulated much data on leak standards that have been disseminated during calibration and testing services.
Experience in calibrating leak detectors and in leak testing various test items at the Korea Research Institute of Standards and Science (KRISS) shows that repeatability cannot be guaranteed [6-8].
Hong et al.: Key Engineering Materials, Vol. 270 (2004), p. 1674
Shin et al.: Journal of the Korea Vacuum Society, Vol. 4 (1995), p. 135. 0 5 10 15 20 10 -6 1x10 -5 Scan speed : 0.4 mm/s Scan speed : 0.2 mm/s Leak rate(mbar.l/s) Distance(mm) 0 2 4 6 8 10 12 14 0 20 40 60 80 100 120 : Up : Down : Back : Left to right : Back & 45 o upper direction Rel. test leak rate[%] the clearance between the sniffer and the leak [mm]

Introduction One of the main features of modern high technologies is the desire to create and use new materials that have, in addition to a unique combination of mechanical, physical, and other properties, the ability to actively respond to changes in external conditions or external influence (smart materials).
In this regard, the formation of nanostructured states in materials with shape memory effect (SME), both in the bulk and on the surface, is an important aspect of modern materials [1–5].
Rusinov, Mechanical and tribological properties of the composition “steel-nanostructured surface layer of a material with shape memory effect based TiNiCu”, Applied Mechanics and Materials 592–594 (2014) 1325–1330
Yurkova, The formation of nanostructured surface layers of a material with shape memory effect of the TiNi deposition melt of the fusible metal at a temperature gradient, Applied Mechanics and Materials 621 (2014) 7–12
Blednova, Surface modification of parts material shape memory TiNiCo with a view to providing a functional and mechanical property as a factor in resource, Journal of Surface Engineered Materials and Advanced Technology 4 (2014) 348–358

The results show that mixed plant fiber can effectively improve thermal performance for the concrete hollow block，and better insulation effect，thus can provide the basis for the promotion of plant fiber building block materials.
The materials of plant fiber wall mainly from a wide range of crop stalks and other wastes, which is a good way to turn waste into treasure and also is a effective measure to conserve resources.
Plant fiber wall materials in the construction can make use of plans, it will be possible to achieve the building of lightweight, high-energy technology.
China Building Materials Science and Technology. 2006,87 (3): 39-40 (In Chinese) [2] GB50003-2001, Code for design of masonry structure, Beijing: Chinese Architecture Industry Press, 2002(In Chinese) [3] Yingming Li, Jun Han, Liping Liu.
Journal of Chongqing Jianzhu University. 2006,28 (5): 90-96.

At present, γ-unsecalactone is mainly produced from free radical addition using acrylic acid and n-octanol as inexpensive and easily obtained raw materials[1,2,3,4,5,6,7,8].
No previous report is found in the literature on the use of Dean-Stark trap with adding desiccant in the free radical addition reaction with acrylic acid and n-octanol as raw materials to yield γ-unsecalactone.
Results and Discussion γ-Unsecalactone was prepared efficiently via the free radical addition reaction with acrylic acid and n-octanol as raw materials in the presence of DTBP and zinc bromide (ZnBr2).
China (No. 2011121019) and National Nature Science Foundation of China Grant (No. 21106119).
Zhang: Journal of Xuchang University, Vol. 24 (2005) No. 2, p. 121.