Search results

The structures of the coatings were characterized using XRD , and the section of the coatings was observed by TEM. 2.
This is due to the crystal structures of carbon simple substance and chromium carbide are different from that of chromium nitride.
When IC=1.5A, that is more amount of carbon doped, the coating shows obvious multilayer structure, and the periodicity thickness of multilayer structure can been determined to be about 2nm, at the same time SAED pattern indicates the coating mainly exists as amorphous state.
The results show that the CrN coating exhibit dense columnar structure.
The Influence of Metal Alloyed on the Structure and Wear Properties of CrN Coatings[J].

Oxalic acid makes effect on jamesonite due to the two carboxyl groups -COOH of oxalic acid (C2H2O4) containing, which could form chelates with metal ions, the structures is: The chelate ions belong to water soluble ion, can make the jamesonite surface hydrophilic, thereby, inhibit jamesonite 2.4 Influence of melamine on flotation behavior of Lead-Zinc mineral Melamine (C3H6N6)contains multiple amino, and the structure type as follows: N: C (NH2)N: C (NH2)N: CNH2 The hydrophilic index I = ∑ (XG-XH) 2/ Φ n=5.1 The dosage effect of melamine is shown in figure 2.1.
Fig 2.4 Effect of Melamine dosage on rate of recovery 2.5 Influence of Triethanolamine on flotation behavior of Lead-Zinc mineral Triethanolamine take amino and hydroxyl groups, at the same time, and the structure type is (CH2CH2OH)3N.
When the addition amount is greater than 1200g/t, marmatite recovery rate changes no longer, visibility, triethanolamine is not suitable to be used as flotation separation inhibitors. 2.6 Influence of Lactic acid on flotation behavior of Lead-Zinc mineral The structure type of lactic acid is CH3CH (OH)COOH, and the hydrophilic index I = ∑ (XG-XH) 2/ Φ n =3.6.
In coordination chemistry, short carbon chain hydroxyl acid is a chelating agent, and easy to chelate with metal cation (such as Fe3 +), the organic inhibitor, part of functional groups form chelate compound with metal ions through Coordination bond, another part call hydrophilic groups not associate with the metal cation, have inhibitory properties.
Structure type of Lactic acid is HSCH2COOH.

Fig. 1 showed that sulphoaluminate cement binder continued hydration and pore structure was more compact with increasing age.
The reason is that the greater the water-cement ratio, the transmission channel of chloride ion and the porosity of the internal cement structure became longer.
When the chloride ions moved into the mortar, it would continue to move to cement particles which could react with it through molecular motion or chemistry, etc.
During this period, the pore solution composition and pore structure affected the chloride binding; and the amount of TAIC directly affected the nature of the pore solution.
References [1] B.J Liu: Durability Design of Concrete Structures (Beijing People's Traffic Press, China 2003) [2] H.Y Ma, F.

The basic TE device structure comprises its p- and n-type TE arms.
Journal Of Materials Chemistry C, 2016, 4(32): 7520-7536
Damage Assessment of Structures Viii. 2009: 487-494
Journal of Materials Chemistry A, 2017, 5(24): 12068-12072
Smart Materials and Structures, 2010, 19(7)

The Structure and Magnetic Properties of (Sm,Er)-Fe-N Powders Prepared by Ball Milling Irina Tereshina1,a,*, Svetlana Veselova2,b, Igor Shchetinin3,c, Aleksey Karpenkov4,d and Viktor Verbetsky2,e 1Department of Physics, Lomonosov Moscow State University, Moscow, Russia 2Department of Chemistry, Lomonosov Moscow State University, Moscow, Russia 3National University of Science and Technology "MISIS", Moscow, Russia 4Physico-Technical Faculty, Tver State University, Tver, Russia atereshina@physics.msu.ru, bsv_veselova@mail.ru, cingvar@misis.ru, dkarpenkov_alex@mail.ru, everbetsky@hydride.chem.msu.ru Keywords: Intermetallic compound, nitrogenation, magnetization, ball milling, powders Abstract.
Savchenko Structure and magnetic properties of (Sm,Ho)2Fe17Nx (x = 0; 2.4), J.
Jacobs, Structure and magnetic properties of R2Fe17Nx compounds, J.
Zhang, The structure and magnetic properties of Sm–Fe–N powders prepared by ball milling at low temperature, J.
Savchenko, The Influence of Milling Modes on the Structure and Magnetic Properties of (Sm,Ho)2Fe17Nx (x = 0, 2.4) Powder Materials, J.

The hexagonal structure of the M-type ferrite crystallizes at 11 distinct symmetry sites, carrying 64 ions per unit cell.
The XRD pattern of the sample reveals an M-type hexagonal crystal structure with a crystallite size of 58.1 nm.
SEM micrographs of the M-SrFe Nps show the hexagonal crystal structure with a particle size of 283 nm.
Arendt, (1973), Journal of Solid State Chemistry, 8(4)
El Firdoussi, (2020), Journal of Chemistry, 2020

In conclusion, the doping technique will affect the structure and the morphology of materials.
The doping of a new element, such as an ion will not affect the structure and form impurities of the material.
Table 1: A comparison of structure and morphology of previously reported NMC materials.
Meanwhile, Ti dopant will prevent oxygen loss and stabilize the surface structure with present the Ti4+ in the structure as well as enhance the cycle performance of the material simultaneously [13].
The Rietveld refinement technique was used to study the crystal structure.

A series of 4-morpholinothieno[3,2-d]pyrimidine derivatives containing chromone moiety (5a-5e) were synthesized and their structures were confirmed by 1H NMR and MS spectrum.
The structure–activity relationships (SARs) studies indicated that the 4-morpholinothieno[3,2-d] pyrimidine scaffold played a key role in their antitumor activity[4,7].
Fig. 1 Structures of GDC-0941 and the representative compounds in our previous study In our previous study [8,9], with GDC-0941 as a lead compound, we designed and synthesized a series 4-morpholinothieno[3,2-d] pyrimidine derivatives with an arylmethylene hydrazine moiety at C-2 position(Fig.1).
Results Chemistry Fig. 2 Synthetic route of chromone aldehyde derivatives(D1-D5) Reagents and conditions: (a) Ac2O( 1.05eq) ,conc.

Results reveal that the TiO2 films are dense, homogeneous and existed in a complete anatase structure.
Electrochemical noise were measured by recording potential and current fluctuations at the free corrosion potential, with a sampling rate of 1 point per second for a period of 1800 seconds by using a zero resistance ammeter connected to a personal computer. 3 Results and discussion 3.1 Micrograph, Elements distributions and phase structure The TiO2 films were dense, homogeneous and compact.
X-Ray diffraction spectrum of the TiO2 films coated SS indicates that the films are existed in a well-crystallized anatase TiO2 structure (Fig.1).
References [1]Matjaz Finsgar, Stefan Fassbender, Sabine Hirth: Materials Chemistry and Physics Vol. 116 (2009), p. 198-206 [2]LIANG Cheng-hao, MOU Zhan-qi: Chinese Journal of Biomedical Engineering Vol. 19 (2000), p. 432-435 [3]REN Yi-bin, YANG Ke, LIANG Yong: Materials Review Vol. 16 (2002), p. 12-15 [4]ZHANG Wen-guang, LIU Wei-min, Liu Ying and WANG Cheng-tao: Ceramic International Vol. 35 (2009), p. 1513-1520 [5]LIU Wei-min, ZHANG Wen-guang, ZHANG Zhao-min, LI Bin and MAI Guang-xin: TRIBOLOGY Vol. 19 (1999), p. 166-168 [6]LIU Cheng-long, YANG Da-zhi, ZHAO Hong: Journal of Functional Material Vol. 34 (2003), p. 600-602 [7]M.G.

Citation & Copyright (to be inserted by the publisher ) Structural, Optical and Electrical Properties of ZnO Films by Sol-Gel Method Chengzhu Lu1, Jung Yohn Cho2, Ho Jung Chang 2†, Sang Woo Joo 3 and Yongsheng Wang1 1 Institute of Optoelectronic Technology, Laboratory of Materials for Information Storage and Display, Beijing Jiaotong University, Beijing, 100044, China 2 Department of Electronics Engineering, Dankook University, 29 Anseo-dong, Cheonan-shi, Chungnam, 330-714, Korea 3 Department of Chemistry, Soongsil University, Seoul, 156-743, Korea Keywords: ZnO, sol-gel, transparent conductive films, optical transmittance, resistivity Abstract.
The effect of annealing temperature on the structure, optical and electrical properties has been studied.
The films show some porous structures made up of agglomerated particles.
The deviation of spectrum of the sample annealed at 700 oC may be due to the destruction of ZnO crystalline structure. 200 300 400 500 600 700 800 900 1000 0 20 40 60 80 100 e,b,a,c,d Transmittance (%) Wavelength (nm) a b c d e FIGURE 3.