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The influences of the structure of nozzle on coating effect in particle coating by Fluid-Rapid Expansion of Supercritical Solutions aZHANG Faxing, bWEI Xiaoli a.bCollege of material and chemical engineering, Sichuan institute of technology ,Zigong, 643000 azfx1979228@163.con,bwxlmylove@126.com Key words: SCF ; nozzle;Coating ; microencapsulation Abstract: Red phosphorus microencapsulation flame retardant was prepared by Supercritical Fluid-Rapid Expansion of Supercritical Solutions(SCF-RESS)，using a self-made special nozzle.
The experimental apparatus shown in Figure 1 Figure 1 Experimental setup 1,5,11,14 - Valve China; - cooling; 3 - filter; 4,12 - Pump; 6 - heating; 7 - stir; 8 - autoclave; 9 - nozzle; 10 - collection device; 13 - be wrapped particles coated The experiments were designed nozzle structure, the structure shown in Figure 2: Figure 2 Nozzle structure diagram 1-laval nozzle China; - annular slit channel; 3 - heater; 4 - cyclone; 5 - supercritical fluid inlet; 6 - were coated particle inlets; 7 - Pre-rotatable connector The nozzle orifice is adjustable, easy to overcome the traditional capillary plugging nozzle , spray coating does not close inefficient and disadvantages .
The structure of the cyclone having a thickness of 5 ~ 10mm metal sheet, open with four angled chute, four chutes and the angle to be the same direction.
Inorganic Chemistry, 2004,20 (8):905-909

Among these materials, much effort has been made in the last few years in the development of transition metal oxide, especially on titania materials with a periodic mesoporous structure [2,5].
Titania has a stable chemical structure, and it is bio-compatible, nontoxic and cost effective [6].
So in the present work, a series of TiO2 with different pore size was synthesized and the effect of support structure on the catalyst activity was investigated.
Conclusions Mesoporous TiO2 supports with a regular channel structure, large mean pore sizes, and high specific surface areas were synthesized by using different surfactant as templates.
The relationship between the structure of the mesoporous TiO2 samples and catalytic activity was studied.

SEM result indicates that PC can make the structure of hardened cement more homogeneous and more density.
The chemical structure was showed as in Fig. 1.
All this indicated that PC promoted the hydration process of cement paste, and was benifit for the development of the hardened structure.
Fig. 4 (c) showed the SEM graph at 7 d ages, it can be seen large amount of pore structure that belong to big pore or capillary pore, which are disadvantage to the development of the later structure of hardened cement.
In addition, the surface structure becomes more density, and the pore diameter becomes more small and heterogeneity.

Synthesis and Luminescence Properties of Tris (8-Hydroxyquinoline) Iron Spindle-like Structures at Room Temperature Qinghong Kong1,a, Hong Liu1, Yunlong Zhang1 and Yongsheng Yan2 1College of Environment, Jiangsu University, Zhenjiang, Jiangsu 212013, China 2School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China akongqh@ujs.edu.cn Keywords: Organometallic compounds; Chemical synthesis; Electron microscopy; Photoluminescence spectroscopy Abstract.
The observation of field emission scanning electron microscopy and transmission electron microscopy shows that the morphology of tris (8-hydroxyquinoline) iron complex is spindle-like structure.
Fig. 1 TG-DrTG diagrams: (a) 8-hydroxyquinoline; (b) FeQ3 To further ascertain the structure and component, the products were also characterized by FTIR spectra.
Fig. 3(a,b and c) are the different magnification FESEM images of FeQ3, which indicate that the product is composed of abundant spindles structures with the size about 10 μm.
The typical TEM image reveals that their morphotogy are spindle-like structures.

The included water molecules inside the structure expand the structure outwards, leading to increase in pore size.
This depth corresponds to structures which mainly contain lipids and cells, which have free-volume structures.
Jean, (Eds.), Positron and Positronium Chemistry, Elsevier, Amsterdam, 1988
Schrader, (Eds.), Principles and Applications of Positron & Positronium Chemistry, World Scientific Publishing, Singapore, 2003
Jean (Ed.), Positron and Positronium Chemistry, Int.

The Multi-factor Durability Evaluation Model of the FRP Applied to the Structure Based on Environmental Differences Yang Yongxin1,a, Zhang Yanhong2,b, Yue Qingrui1,a, Li Biao1,a, Chen Pengfei 2,b 1 Central Research Institute of building and Construction CO.
To ensure the safety of the structure to be reinforced, we need to know the durability of FRP.
Journal of Building Structure.2009,30(6),8-14
Russian Journal Of General Chemistry, 2011, 81(5): 970-977
Mechanical properties and durability of FRP and evaluation of durability of reinforced concrete structures[D].Beijing: Central Research Institute of building and Construction CO.

It is found that because the recovery rate of wax crystal structure is slow, study should be focus on the first loop.
As the shear rate increased, the structure of gelled crude oil began to crack, and the specimens began to flow.
The wax crystal structure begins to crack and the specimens begin to flow when the specimens reach their yield strain.
In the process of shear rate decreases, the shear stress decreases due to the decreases of shear rate and increases due to the recovery of the wax crystal structure.
It is found that because the recovery rate of wax crystal structure is slow, study should be focus on the first loop.

Introduction From the molecular structure theory, we can know that each atom in the molecule bonded together through the chemical bond strength. 
Molecular structure: C4H6O+ C7H12O+ Figure 1: The mass spectrum 4.
Theoretical calculations In 3-21G* basis, we set optimization of cycloheptanone ion (C7H12O+) hull structure with the density functional B3LYP method, and frequency calculation at the same level, The results showed no imaginary frequency, the configuration has been optimized for a minimum energy structure.
In the B3LYP/6-31 + G (d, p) level, the structure of C4H6O+ fragments optimization and frequency calculation.
The basic principles of quantum chemistry and ab initio calculation [M].Beijing: Science press, 1985 [3] Lubman D M, Naaman R, Zare R N.

Introduction AlN belongs to compounds of the III-V family with a bandgap of 6.2 eV and hexagonal close-packed wurtzite crystal structure [1].
Moreover, the annealing creates orders and smoothness in the structure.
This may be because glass is an amorphous structure that contributes to the smooth, high, major energy peaks while the crystalline structure of the silicon contributes to the ordered and smooth surface for the thin film leading to lower energy peaks than the peaks formed due to amorphous glass structure.
Constable, Transition Metal Chemistry: The valence shell in d-block chemistry, Weinheim: VCH 1994
Yamamoto, Crystal Structure and Magnetic Properties of Cr-doped AlN films with various Cr concentrations. 

Molecular structure of comb-shaped polymer Comb-shaped polymer with braided side chain Fig.2.
The molecule structure of hydrophobic associating polymer and the molecule interaction of associating polymer are shown in Fig.7.
Through changing the molecule structure, enhancing the backbone strength and improving the regularity of bulk molecule structure, comb-shaped polymer KYPAM with branching molecule structure, star-shaped polymer STARPAM and hydrophobic associating polymer A-DH are developed.
Vol. 25 (2004), p. 65-68, 73 [8] Luo Jianhui, Zhang Ying, Liu Yuzhang, Bai Fengluan, Zhu Huaijiang, Wang Pingmei: Laboratory Study on Salts Tolerant Comb-Shape Polymer with Braided Side Chain for EOR, Oilfield Chemistry.
Vol. 15 (2008), p. 77-79, 83 [10] Lou Qingxiang, Patiguli, Nie Xiaobin, Xiang Xiangxing, Li Ronghua: A Comprehensive Comparative Appraisal Of Standard HPAM Polymer And Salt Tolerant Polymer KYPAM For EOR, Oilfield Chemistry.