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., stearamide and oleamide have unique molecule structures.
They have hydrophobic and hydrophilic structures altogether [6].
Their molecule structures are visualized in Fig. 1.
In general, the polarity of a material depends on its chemical structure and functional groups.
Lentz, Rubber Chemistry and Technology, 48 (5) (1975) 795-809

The transparent characteristic of monolith silica is also due to its amorphous structure.
XRD pattern of monolith silica xerogel (a) shows only one broad peak at 2θ = 22º corresponds to the typical diffraction of amorphous silica (SiO2) xerogel (Si–O short-order structure).
FT-IR spectroscopy was employed to study the chemical structure of the synthesized hybrids.
Mesoporous structure with amorphous state is the main features of the prepared xerogels.
Bellat: Physical Chemistry Vol. 12 (2010), p. 11454–11466

Figure 2 Variation of chemistry to match application properties Latex Properties.
However, state of the art regarding structure development in PCCs was nicely summarized in an “integrated model for microstructure building in PCC” during the 11th ICPIC 2004 by D.
A very important application example of the theories discussed so far are bridge deck overlays (for bridge deck structure see Fig. 7) made of latex modified concrete (LMC) with some decades experience in North America.
References [1] US Dep. of Transp. - Federal Highway Administration, Material Type of Structure by State in Highway Statistics 2010, Chapter 3.2.5
Muench, Cryo-FIB-nanotomography for quantitative analysis of particle structures in cement suspensions, Journal of Microscopy 227 (2007) 216–228

Increasing the amount of PVA leads to increasing of air and water permeability which can be attributed to the increase in the extent of the structure opening [16].
It has been proven as effective approach to synthesize nanoparticle at milder operation condition with uniform deposition and high quality of ZnO structure can be obtained.
The crystalline structure of ZnO was determined by using Shimadzu XRD 6000 diffractometer with Cu-Kα radiation source at λ, 1.542 Å.
Wang, Structure and Properties of Silk Fibroin Modified Cotton, Fibers and Polymers. 9 (2008) 113-120
Qing, Synthesis and structure-activity relationship (SAR) of novel, Journal of Flourine Chemistry. 126 (2005) 1425-1431

Along with the speedy development of material, computer science and technology, physics, chemistry and et al, theoretic calculation and molecular design have become an important branch of the new material or catalyst to be used in many fields.
The properties of material depend on their structure.
Thus, the microscopic geometry structure and the electronic structure mainly decide the unique properties of the materials.
The geometry structure of the HAc–furan-Fe model is optimized too, and the -O-H-O- hydrogen bond is still the curving shape.
On the other hand, the number of valence electron of nitrogen is less than that of oxygen, and more electrons is required for nitrogen to satisfy the outer layer with eight electronic structure.

QSPR Study on the Soil-water Partition Coefficient of Polychlorinated Biphenyls by Using Artificial Neural Network Long Jiao School of Chemistry and Chemical Engineering, Xi’an Shiyou University, Xi’an,710065, PR China e-mail: mop@xsyu.edu.cn Keywords: QSPR; artificial neural network; principal component analysis; PCBs; soil-water partition coefficient Abstract.
A practicable quantitative structure property relationship (QSPR) model for predicting the soil-water partition coefficient, Koc, of 16 polychlorinated biphenyls (PCBs) was developed.
The structure of the investigated PCBs is encoded by five quantum structural descriptors and on topological index.

The XRD results showed that the diffraction pattern was basically attributed to the wurtzite structure of ZnO.
However, several studies have reported that the properties of ZnO-based gas sensor still can be remarkably improved by introducing TiO2 dopant into the sensing films [4], and the peculiar structure and morphology of the sensing materials can also be conducive to the low temperature gas-sensing performance.
The diffraction patterns was basically attributed to the wurtzite structure of ZnO.
The analysis of the XRD results showed that the diffraction patterns of all the samples was basically attributed to the wurtzite structure of ZnO and there was the existence of a new phase Zn2TiO4 when doping with 3 wt% TiO2 and onward.
Materials Chemistry and Physics, 137(3), 843-847, 2013

After 7 days of curing HCP samples exhibited no significant changes in its structure.
The structure of C-S-H on nanoscale at high temperatures is not yet clearly understood.
The atomic structure of tobermorite is transformed from 11 to 9.35 Å around 300°C.
Hewlett: Lea´s Chemistry of Cement and Concrete.

Mechanical and thermal properties of reactable nano-SiO2/polyoxymethylene composites Xiangmin Xu 1,a, Liping Guo 2,b, Yudong Zhang 3,c, Zhijun Zhang 2,d 1Department of Mechanical and Electrical Engineering, Yellow River Conservancy Technical Institute, Kaifeng 475004, China 2Key Laboratory of Education for Special Functional Materials, Henan University, Kaifeng 475004, China 3School of Chemistry and Chemical Engineering , Henan University, Kaifeng 475004, China axxmkf@163.com, bguoliping1987@163.com, czyd71@henu.edu.cn, dzhangzhijun@henu.edu.cn Keywords: polyoxymethylene, reactable nano-SiO2, mechanical property, thermal property Abstract: The polyoxymethylene-based composites containing reactable nano-SiO2 were prepared in a twin-screw extruder by melt compounding, and mechanical and thermal properties of pure polyoxymethylene (POM) and composites were investigated.
Furthermore, the differential scanning calorimetry (DSC) analysis showed that reactable nano-SiO2 had a good heterogeneous nucleation capability in POM, and could increase crystallization temperature of POM, but surface structure of reactable nano-SiO2 was not propitious to the growth of POM crystals, accordingly leading to the decreasing crystallinity of composites.
Clearly, this is related to surface structure of RNS.
It can be seen that X-ray diffraction patterns of composites have no obvious change compared with those of POM, and still maintain crystal structure of the hexagonal system, indicating that the addition of RNS does not change the crystal form of POM.

Energy released by swift heavy ions in polymers produces a “high energy density chemistry” (hot chemistry) and results in final products, which are structurally much different from those generated by low energy loss particles (electrons, photons etc.).
However, in radiation chemistry and biology, thermal effects were not predominant, and the thermal spike model was largely ignored [92].
A Redox Chemistry Approach, J.
Chapiro, Radiation Chemistry of Polymeric Systems, Interscience Publishers, London, 1962, p. 354
Suib, Investigation of the surface chemistry of Teflon. 1.