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Therefore, how to evaluate the degree of the concrete deterioration, figure out its discipline scientifically, then take effectively and timely methods to delay deterioration course, prolong the service life of concrete, has long become one of the important tasks of concrete structure durability.
Since this material was discovered by German chemist Lauritz Jensen in 1942, it has been widely applied in water proof and repair for concrete structure with dozens of years [1].
We can notice that there is not only needle-like and block structure crystals, but also a good deal of tendrils shape crystals with compact structure.
So we get the result that the cement-based permeable crystalline can promote cement hydration, generate more hydration products, improve concrete compactness, and modify the concrete pore structure and their distribution.
The Chemistry of Cement and Concrete [M]. 3 rd.

Electrical studies using MFIS and MIS device architectures In MFIS architecture case (Fig. 2a), its P-E hysteresis loop does not display bistable behavior unlike MFM structure (Figs. 1a and b).
However, in order to continuously maintain the written data state, it is necessary to apply -8V to the MFIS device, and hence not a viable option in our attempt to find a workable NVRAM device structure.
Fujisaki et al [13] suggested the fabrication of MFIS structure using Ta2O5 as insulating layer to prevent the C-V hysteresis curve shifting toward negative gate bias.
The memory window was observed to be smaller in the case of MIS structure (Fig. 2f) with Con/Coff ratio = 2.19.
Electrical studies measured using Au (M)/VDF 72% copolymer (F)/SiO2, PVP or PVA-ADC (I)/n- or p-Si (S) device structure.

Biological Information and Learning of Populations Self-organization in biological systems differs fundamentally in two aspects from chemistry and physics: (i) Nucleic acid molecules, RNA and DNA, are properly visualized as strings of digits taken from an alphabet with four letters, A, U(T), G, and C, and appear predestined to carry encoded information, and (ii) mutant distributions are formed by selection as dissipative structures in sequence space but the information on the properties is stored in encoded form in the chemical structure of the molecule.
The chemical structure is a conservative structure and its existence does not depend on non-vanishing flux in the flow reactor.
The pre-image of a structure in sequence space, i.e. the set of all sequences forming this structure, is called its neutral network.
With long RNA sequences, however, a systematic deviation of in vivo structures from thermodynamically most stable structures is observed.
Recent work was dealing with optimization of RNA structure towards a predefined target structure [11].

D;Powder Technology, 105(1)162, 2000 Vol.105(2000),p. 162 [6]O.Abe and Y.Suzuki:Materials Science Forum, Vol.225-227(1996),p. 563-568 [7] K.Othmer, Encyclopedia of chemical technology, 2nd revision,Vol.20 (1969), p. 390-415 [8]A.F.Wells, Structural inorganic chemistry, fifth edition, Clarendon Press Oxford(1984), p.541 [9]J.R.Smyth and D.L.Bish, Crystal structures and cation sites of the rock-forming minerals, Boston (1988), p. 27-34 [10] T.Kubo, A introduction of mechanochemistry, Tokyokagakutogin(1971), p. 51-62(Japanese) [11] W.W.wendlandt, Thermal analysis, 3rd edition, John wiley & sons,Inc(1986).

(a) Molecular structure and phase transition temperatures of compound 1.
Balke, Spintronics: A Challenge for Materials Science and Solid-State Chemistry, Angew.

The butyl rubber consuming structure is: 84% of butyl rubber is used in tire field, 11% for medicine bottle cap, and 5% for others.
Compilation of the chemical industry standards (Physical & Chemistry Experiments of Rubber).

The punctual qualitative and quantitative analyses by EDAX and the electron probe microanalyser of these phases revealed that the polyhedral structures are carbides of η M6C type [1,5,6,7] rich in titanium (dark zone), in their centre.
Rai: Materials Chemistry and Physics Vol. 67 (2001), p. 226

Introduction Many applications of industry (telecommunication, transport, mechanical, chemistry, etc.) are concerned with complex problems of several contradictory criteria or objectives that must be satisfied simultaneously.
Section 3 gives the structure of MQACO and analyzes its improving technology.

According to the definition, the formula of thermal efficiency is （19） The main influencing factors of thermal efficiency gotten from experiments are structure parameters of membrane, temperature difference between two surfaces of membrane and the mass flow rate of working fluid.
Industrial & Engineering Chemistry Research, Vol. 46 (2007), p.584-590 [8] Alklaibi, A.M; Noam Lior.

This type of corrosion is usually difficult to be detected since it occurs at condition when the structure undergoes sensitization treatment and stress simultaneously.
Stein, Chemistry of Grain Boundaries and Its Relation to Intergranular Corrosion of Austenitic Stainless Steel.