Search results

And the harmonic vibrational frequencies were calculated for these structures at the same level.
The structures were schemed the figure 1.
Molecular energies for three structures with partial bond-lengths were listed in table 1.
Nikolaev, Biodefence (Eds.), Biodefence, NATO Science for Peace and Security Series A: Chemistry and Biology, Springer Netherlands, 2011, pp199-221
Zhou, Organosilicon Chemistry, Chemical Industry Press, Beijing, 1989

A high frequency C-V measurements (1MHz) were performed for determination of basic parameters of MOS structures.
The dry O2 annealing mainly affects the volume properties of oxide and has only slight influence on interface properties of MOS structure.
Szmidt, The influence of oxygen ambient annealing conditions on the quality of Al/SiO2/n-type 4H-SiC MOS structure, Mat.
Garfunkel, Nitrous oxide gas phase chemistry during silicon oxynitride film growth, Prog.
Buhrman, Furnace gas‐phase chemistry of silicon oxynitridation in N2O, Appl.

The destruction of the pore structure was even aggravated when the diatomite was rinsed by vitriolic acid (Fig. 3(e)).
The high concentration of the acid might destroy the graded pore structure at the same time of getting rid of the residual metallic oxide.
As shown in the figure, the reduction production presented spherical-like structure, with spherical-like particles absorbed on the surface of diatomite powder (Fig. 6(a)).
Jang, Journal of Materials Chemistry C 5 (2017) 12507-12512
Hao, Materials Chemistry and Physics 235 (2019) 9

Fig.3 The structure characterization of dried samples of gelator 1 and gelator 2 (8 mg mL–1).
The gelator 1 reveals the presence of a linear rod-like structure emerging on the surface.
However, an entangled fibrillar network structure appears in gelator 2, which is obviously different from the observation in gelator 1.
It is clearly seen that the fibrous structure in the xerogel of gelator 2 is thinner and longer than gelator 1.
Acknowledgement We greatly appreciate the Open Research Fund of Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University.

X-ray diffraction method is an important means to present the crystal structure determination, the application is extremely broad.
The particles at FGD outlet are shown in Figure1(c), the structure of multi-form irregular agglomerates consisting of more components, wherein the mixture of fly ash and gypsum crystals.
The figure shows, ESP inlet fly ash is mainly quartz crystal phase (SiO2), as well as aluminum silicate, while exports mainly composed of KAlSi2O4 diagram analysis can be learned by: ash is mainly composed of metal oxides and non-metal oxides, however, the presence of the same or similar components of the different phase structure, while the phase structure of the nature of the fly ash and the impact of various treatment adapt ability.
So we must not only understand their chemical composition, but also know the various components of the phase structure [4].
Fuel Chemistry and Technology，2004, 32(2): 175-179.

ZnO is a material that has diverse structures whose configurations are much richer than any known nano-materials including carbon nano-tubes.
The important characteristics of the wurtzite structure are the non-central symmetry and polar surfaces.
Dope of impurities, such as In, nano ring structure of ZnO had been synthesized [11].
Disappearance of Ba rich phases and secondary phases means that Ba ions contribute randomly to the structure.
L., Journal of Physical Chemistry B, 106[49] (2002) 12653 [13] Gao, P.

The structure of TACE used in this study is the X-ray structure of the catalytic domain of TACE (PDB ID: 1BKC) [13], which is a high-resolution complex structure of the TACE catalytic domain and a small molecule inhibitor.
Periodic water box was added to wrap the complex structure with 10 Å of boundary distances.
Minor conformational changes happened on the sept-peptide, but the overall conformation of the complex structure and the peptide structure are very stable.
Milla, Inhibition of the tumor necrosis factor-alpha-converting enzyme by its pro domain., Journal of Biological Chemistry, vol. 279, no. 30, pp. 31638–31645, Jul. 2004
Yadav, Current perspective of TACE inhibitors: A review, Bioorganic & Medicinal Chemistry, vol. 17, no. 2, pp. 444–459, Jan. 2009

The A-sublattice of the MgZn2 structure defines a hexagonal diamond net.
The X-ray analysis was used to evaluate the crystal structure of the samples.
The analysis showed composite two phase systems where the crystal structures were a mixture of the C14 (hexagonal) and C15 (cubic) Laves phases.
Latroche, Journal of Physics and Chemistry of Solids, 67 (2006), p. 1281
Johnston, Roald Hoffmann, Journal of Inorganic and General Chemistry, Vol. 616 (1992), p. 105

It means that the treatment using thermal N2 gas flow could have reorganized the structure of CNF or eliminated the amorphous structure.
Thus, the sample of G-com-HNO3-N2(1h) will be chosen because it combines low oxygen atom removed and high defect structure.
TEM image of 40%wt Fe Conclusion As discussed, the intrinsic surface properties of CNF as amorphous structure, activated groups and defect structure depend on treatment conditions.
Appl, Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH Verlag GmbH & Co.
Koningsberger, Chemistry-a European Journal 8 (2002) 1151-1162

Relevant variations in the surface physics and chemistry in the delivered samples of PEEK and/or variations of the same type over time may explain the difficulties in reproducing previous work.
There is published research [3] into the surface chemistry of PEEK where the presence of ‘contaminant’ elements of nitrogen and fluorine has been detected and ascribed to the PEEK manufacturing process.
It is reasonable to expect that the surface physics and chemistry of PEEK powders will influence equilibrium behaviour with impinging substances.
This is based on a fused twelve-membered monoplanar ring structure.