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The surface morphology and structure of nanocrystals were characterized by FE-SEM and XRD.
Among these methods, the “soft chemistry” method is a very potential route in the preparation of nanocrystals for its low-cost, simple equipment and mild reaction conditions.
To maintain a stable structure, the polar surfaces generally have facets or exhibit massive surface reconstructions, but ZnO±(0001) is exception, which is atomically flat, stable and without reconstruction.

One-Pot Synthesis of Iron Oxides-Doped Carbon Microspheres Composites GUO Xiaohui1,a, YANG Huimin1,b and GUO Guibao1,c 1School of Chemistry and Chemical Engineering, Inner Mongolia University of Science & Technology, Baotou 014010, Inner Mongolia, China agxhsxicc@163.com, byanghuiming920@126.com, cggb66733@sohu.com Keywords: Carbon microspheres.
The morphology, particle size and crystal structure can be controlled flexibly by altering the concentration of ferric salts and glucose.
The morphology, crystal structure and particle size could be controlled by varying synthetic conditions.

On the Development and Performance Evaluation of Potassium Silicate Polyol Drilling Fluid PingQuan Wang1, a, Yang Bai1,b, ZhiWei Qian1,c , Gang Peng2,d, Yi Liu3,e and ZhiQiang lv3,f 1State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University, Chengdu 610500,China 2 Sinopec Southwest Bureau Chongqing Drilling Company, Chongqing, 400042 3PetroChina Tarim Oilfield Company, Korla, Xinjiang, 841000 awpq64@163.com, bbaiyanghyq@foxmail.com, cqzw0417@126.com, dpg@ckdc.biz, emoonshine1688@163.com,flvzhiqiang0201@sina.com Keywords: potassium silicate; polyol; semi-permeable membrane (membrane structure); drilling fluid system; evaluation; performance; stabilizing well wall Abstract.
In this paper, from the perspective of the comprehensive role of treating agent, the chemical effect of potassium silicate (gel sedimentation) and the physical effects of polyol (cloud point effect) are put into composite application so that a set of drilling fluid system of membrane structure and silicon potassium polyol with gel - cloud point effect is established, and a comprehensive evaluation of the performance of the system is given a complete explanation, opening up a new research direction for drilling fluid's stabilizing well wall.
In this paper, the chemical effect of potassium silicate (gel sedimentation) and the physical effects of polyol (cloud point effect) are put into composite application so that a set of drilling fluid system of membrane structure and silicon potassium polyol with gel - cloud point effect is established.
But after adding polyol, the value of API dehydration, HTHP dehydration and mud cake thickness is greatly improved, with the mechanism that in the condition of high PH (PH = 11.5),the coordinated effect between potassium silicate - clay gels (chemical effect) and polyol loud point matters (physical effects) forms a the membrane structure of gel - cloud point effect, effectively enhancing the effect of blocking and filling, and improving the dehydration wall capacity with thin mud cake, density, and dehydration reduction.
World Oil, 1991,212(3):20-25 [3]Halliday WS.Polyglycol and aluminum chemistry drilling fluid helps operat or reach project goal[Z].SPEPIADC,25702,1993 [4]Darley.Borehole Stability in Shales.SPE24975,19921 [5]Van OortE,etal.Silicate based drilling fluids: competent,cost effective and benign solutions to well bore stability,problems.IADC/SPE 35059,1996 [6]Bailey B.Craster new insight into the mechanisms of shale inhibition using water based silicate drilling fluid[R].IADC/SPE39401,1998

Wang et al [7] studied the effects of carbon on ZrO2 phase structure.
Results and discussion The influence of hydrothermal temperature on the crystal phase structure.
The influence of phosphor loading on the crystal phase structure.
the surface area of sample was slightly lower (321.9 m2/g), it is possible that the ZrO2 texture structure was stabled after dopted phosphor.
Chinese Journal of Inorganic Chemistry. 2009, 25 (3): 480-484.

Ecosystem Health Ecosystem health definition to understand: in a certain time scale, ecological systemic comprehensive characteristics including the ecological system structure (composition structure, spatial structure), functional production function, service function and resilience (flexible)[6].
They are the instructions species evaluation and the structure function evaluation.
The network structure, the initial parameters are difficult to be determined.
Environmental Toxicology and Chemistry, 1992, 11: 1663-1672
Environmental Toxicology and Chemistry, 1992, 11: 1751-1760

Triply Periodic Minimal Surfaces Manufactured by Electron Beam Powder Bed Fusion: Approaches and Challenges Andrey Koptyug1,a*, Dmitriy Khrapov2,b, Maria Surmeneva2,c, Roman Surmenev2,d 1SportsTech Research Center, Mid Sweden University, Akademigatan 1, Östersund, SE-831 25, Sweden. 2Research School of Chemistry & Applied Biomedical Sciences, Physical Materials Science and Composite Materials Centre, National Research Tomsk Polytechnic University, Tomsk, 634000, Russia.
Both strut-based and sheet-based TPMS structures were successfully produced by additive manufacturing methods.
With very thin-walled structures, firmware of the machine adjusts the settings to minimize the thickness increase in the manufactured structures caused by the non-zero width of the melt pool.
It allows manufacturing structures with high porosity and adequate conditions for effective powder removal.
Carefully choosing structure design, manufacturing and powder removal modality allows for Ti-6Al-4V TPMS structures with quasi-elastic gradients not exceeding5 GPa that satisfies requirements to the bone implants.

Furthermore using DFT, several possible structures of CuMg2Hx were optimized.
Fig. 2 INS results for two different structures of the CuLi0.08Mg1.92Hx hydride.
Since CuLixMg2-x is a disordered structure, it was obtained by randomly substituting Mg by Li in several 6f Wyckoff positions (1/2,0,z) of the initial hexagonal structure that conducted to the P1 supercells.
Therefore, since most of the hydrides are cubic structures or structures that can be considered as distortions of a cubic structure [6], we have started calculations with tetragonal and monoclinic structures, similar to those of the hydrides formed by the nearest neighbours of Cu and Mg in the periodic table: NiMg2H4 and CoMg2H5 (e.g.
Encyclopedia of Inorganic Chemistry, 2006

They have open framework structure.
Dental organic acid unit and metal ion are assembled to construct rigid framework structure.
Because of their framework structure, high adsorption surface area and large free cage volume, the new materials are receiving more attention.
Three metal-organic frameworks have the same crystal system of triclinic, but they exhibit different kinds of framework structures.
Wang, et al.: Inorganic Chemistry Communications, 2010. 13, p. 479 [10] R.

It is aim to modify the surface structure of substrate [6] and function as lubricating action, cleaning action, penetration action, cooling action and anti-oxidizing action.
Fig. 3: Changes in density of polishing stone Since the acids are functionally to dissolve the debris, it will change the physical structure of the stone.
(a) (b) Fig. 11: Micrograph structure of polishing stone (a) before stir (b) after stir in oxalic acid for 1 min (a) (b) Fig. 12: Micrograph structure of polishing stone (a) before stir (b) after stir in oxalic acid for 30 min (a) (b) Fig. 13: Micrograph structure of polishing stone (a) before stir (b) after stir in oxalic acid for 60 min Fig. 11 until 13 shows the micrograph analysis of polishing stone before (a) and after (b) stirred with oxalic acid for 1,30 and 60 minutes.
Moreover, at fig. 13, most of the polishing stone’s structure were destructed becauce of the longest period of stirring.
Materials Chemistry and Physics Vol. 53-61 (2001), p.69 [11] P.

The typical POSS monomers possess the structure of a cube-octameric framework with eight organic corner groups.
This is because the G-POSS have the cage structure with large steric hindrance, which inhibited the diffusion motion of molecules, so the gel conversion showed decreasing trend.
The reason for pure G-POSS has a lower Tdec is that the glycidyl of POSS belong to fatty chain and ether bond structure, they have a low thermal decomposition temperature.
The structure of G-POSS has a cube polyhedron formed by silicon oxygen multiple ring.
This is because the presence of the high bond energy Si-O bond, Si-C bond and presence of inorganic structure similar to the SiO2 in the G-POSS molecule.