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Getting the material with SPS, the micro-structure was observed.
The micro-structure of SiC is mainly lamellar structure and the Tungsten did not infiltrate the SiC.
The amount of globular structure is very small.
The observation with scanning electron microscope shows that the micro-structure of SiC is mainly lamellar structure.
Materials Chemistry and Physics, 2006,100 (2~ 3):513 [4] Zhevskyi V A, Genova L A.

In-situ SAXS Analysis during Uniaxial Drawing of Polyethylene-block-Polystyrene Copolymer Film Hiroki UEHARA,1,a Masaki KAKIAGE,1,2,b Hidekazu TANAKA,1 and Takeshi YAMANOBE1,c 1Department of Chemistry and Chemical Biology, Graduate School of Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma 376-8515, Japan 2Present Address: Department of Applied Chemistry, Saitama University, Sakura-ku, Saitama 338-8570, Japan ahirokiuehara@gunma-u.ac.jp, bkakiage@apc.saitama-u.ac.jp, cyamanbe@gunma-u.ac.jp Keywords: polyethylene, polystyrene, block copolymers, synchrotron, small-angle X-ray scattering (SAXS) ABSTRACT.
These observation techniques are preferred for imaging the phase arrangement, but not preferred for the size analysis of the focused structure.

Preparation and Charcterization of PSt/GMA/DVB Microspheres by Soap-Free Emulsion Polymerization Hongbo Liu College of Chemistry and Chemical engineering, Shanghai University of Engineering Science, Shanghai 201620, P.
SEM results Fig.2 The SEM photos of sample C3 As shown in fig.2, the PSt/GMA/DVB microspheres were narrow-dispersed and had good spherical structure with size around 200nm.
Janke: Radiation Physics and Chemistry Vol.56 (1999), p. 405

Other than all these, ultrasonic was found to be very helpful in improving the cryogel structured by increasing the reaction rates and yields of product, shortening the reaction time, altering the reaction path and making milder reaction conditions (lower temperature) possible [6].
Arabian Journal of Chemistry, 4(4), 361-377
Application of ultrasound to materials chemistry.

Eco-Environment-Related Polymer Materials of MOE, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
Introduction Heavy metals and their compounds are widely used in industrial applications such as metallurgy and chemistry, and in battery, paper and paint manufacturing.
In another side, chitosan(CS) is natural aminopolysaccharide with unique structure, multidimentional property, highly sophisticated functions and wide diverse applications, especially in the biomedical and pharmaceutical fields.

In this paper we will present results that address both the issue of selectivity to plasma damaged ELK interfaces and Cu surface passivation for preventing CuOx regrowth using a novel fluoride free, neutral, aqueous cleaning chemistry.
Fig 4 shows the cross sectional SEM images of extended processing in a solvent fluoride chemistry and the new formulation for 10min at 25°C.
Fig 5 shows that the new fluoride free aqueous formulation was able to clean dual damascene Cu structures in 60s at 25°C. 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 CuO solubility (ppm) N, COOH PO3H2 COOH or OH, COOH 0 10 20 30 40 50 60 70 80 90 100 110 120 1 2 3 4 5 6 7 8 9 10 pH C u O x re m o val tim e (se c ) (1)Post clean in solvent fluoride remover (2)Post Clean in new remover (1)Cu dual damascene Uncleaned Reference (2)Post Clean in new remover Fig 4.

Performance Study of Coal Water Slurry Ke Gaia, Huili Qib, Dongping Mac, Wenli Liangd College of Chemistry and Chemical Engineering, Longdong University, Qingyang, 745000，China aemail: gaike310@sohu.com, bemail: qihuili33@sohu.com, cemail:mdp_725@163.com, demail: 1142170257@qq.com Keywords: coal water slurry；rheological property；the stability；influencing factors Abstract.
A proper amount of additives can improve its stability. 1 Introduction Coal is still dominant in the energy structure because of the rich coal resources but shortage of oil and gas in China.
Acknowledgment In this paper, the research was sponsored by the School of GANSU Province Graduate Student Teacher Research Item Project Stake (Project No. 121003), and the Applied Chemistry Key Subject of Gansu Pronvince (Project No.

Investigation on Application of Biomimetic Technology to the Conservation of Longmen Grottoes Qiang Liu1, a, Bingjian Zhang2, b and Gangliang Yang3,c 1 Yunnan key laboratory of nanomaterials & nanotechnology, Department of materials science and technology, Yunnan University, Kunming 650091, China 2 Department of Chemistry, Zhejiang University, Hangzhou 310027, China 3 Longmen Grottoes Academy, Luoyang 471023, China a yusosliu@yahoo.com.cn, b zbj@mail.hz.zj.cn, c longmen2005@163.com Keywords: Historic stone sculpture; Longmen Grottoes; Stone conservation; Biomimetic technology; Calcium oxalate.
For characterizing the samples' structure and microtopography, X-ray diffraction (XRD) and scanning electron microscope (SEM) analyses was carried out.
Addadi: Chemistry, Vol 7 2001, p. 1881

Mechanical and Tribological Properties of Phenol Formaldehyde Resin Reinforced with Nano-Silica Chuanbai Yu1,2, a and Chun Wei2,b 1 College of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China 2 Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Ministry of Education, Guilin University of Technology, Guilin 541004, China ayuchuanbai@glite.edu.cn, bglweichun@glite.edu.cn Keywords: Phenol Formaldehyde Resin; Nano-SiO2; Wear Testing; Scanning Electronic Microscope Abstract.
Mesoporous silica (SBA-15) was provided by Department of Chemistry, Fudan University.
Furthermore, this result is closely related to the structure characteristics, and the chemical effects occurred in frictional processes as well as transfer film formation on the counterpart materials [9].

A great amount of chemical modification has been studied for changing wood cell wall chemistry and wood properties.
This might be the signal of cetyl alcohol that immersed into the wood structure but not reacted with wood powder.
Chemical modification of wood materials: old chemistry, new approaches.