crystalline forms of calcium carbonate

... Advantec, Japan) for the analysis of As, Fe, Ca, Mg and P contents of the filtrate. The amount of Ca and Mg adsorbed per gram of soil was calculated from the difference of Ca and Mg concentration in ... Concentrations of Ca and Mg Fig. 1(a) clearly shows a decrease in the leaching of As with an increase in the added amount of Ca and Mg. In the absence of Ca and Mg, leached As was 51.1 µg/L. Journal of ... average ± standard deviation of 4 samples However, upon addition of 100 mg/L each of Ca and Mg leaching of As decreased to 24.6 and 23.3 µg/L, respectively. Leaching of As was decreased to more

Ngày tải lên: 05/09/2013, 10:15

... active site of the closed but not in the open state of the enzyme. Examination of the active site and substrate modelling suggests that Thr166 may be involved in abstraction of proton from the Ca atom of ... dimeric forms of Foldtype II PLP-dependent enzymes will allow examination of the plausible role of oligomeric state in these enzymes [22]. In this paper, we report the first crystal structure of a ... compari- son of the small domains. Superposition of the Ca atoms of the large domains (Fig. 2A) in these struc- tures leaves the small domains with a residual rotation of 15°. Structures of WtDSD

Ngày tải lên: 28/03/2014, 22:20

... residual subset of Diff 1 (M)ofdiffeomorphisms for which the homoclinic class of any periodic saddle of f verifies one of the following two possibilities: Either it is contained in the closure of an infinite ... a dense set of dynamics: There are examples of open sets of nonhyperbolic diffeomorphisms. More precisely, • Forevery compact surface S there exist nonempty open sets of Diff 2 (S)of diffeomorphisms ... of Theorem 1 relating the strength of the domination with the size of the perturbations of f that we consider to get sinks or sources (see Proposition 2.6). This quantitative version is one of the

Ngày tải lên: 28/03/2014, 22:20

... that a plasmin phosphopeptide of one of the identified proteins, osteopontin, formed a novel type of calcium phosphate nanocluster in which the radius of the amorphous calcium phosphate core was ... residues in this part of the sequence (eight of the total of 13), each of which produces a sharp change in chain direction in the cis configuration, and of Gly residues (four of four), which allow ... into a crystalline or poorly crystalline calcium phosphate; under physiological conditions, the final state is usually poorly crystalline OCP or HA or, in the case of tooth enamel, highly crystalline

Ngày tải lên: 29/03/2014, 23:20

... hydrogen bonds with different atoms, O2 of Glc-2(CD), O3 of Glc-3(CD), and O3 of A B Fig. 4. Stereo views of N-domains involved in ligand binding in the open forms of TvuCMBP [TvuCMBP–G4 (A)] and EcoMBP [EcoMBP–b-CD, ... positions of elec- tron density, however, appear to be similar to those of two glucose residues, consisting of c-CD bound to the C-domain of TvuCMBP–c-CD (Fig. 2B). The glucose residues of c-CD ... absence of ligand [36], indicating that the conformation of the solute-binding protein could be determined by the ratio of the open fi closed rate to the closed fi open rate. Comparison of the open forms

Ngày tải lên: 29/03/2014, 23:20

... Department of Nutrition, Institute for Basic Medical Sciences, University of Oslo, Norway Department of Biochemistry, Institute for Basic Medical Sciences, University of Oslo, Norway The Department of ... splicing of exon and differential splicing of exons a, b and c Interestingly, the N-terminus of Ca1 and Cb1 are more homologous to each other than to any of their splice variants In the case of Ca1, ... 6433–6438 San Agustin JT & Witman GB (2001) Differential expression of the C(s) and Calpha1 isoforms of the catalytic subunit of cyclic 3’,5’-adenosine monophosphatedependent protein kinase testicular

Ngày tải lên: 30/03/2014, 04:20

... Expression and characterization of soluble forms of the extracellular domains of the b, c and e subunits of the human muscle acetylcholine receptor Kalliopi Kostelidou 1 , ... determin- ation of the 3D structure of the receptor ECDs and for the characterization of the specificities of antibodies in sera from patients with MG. We expressed the N-terminal ECDs of the b (amino ... study of MG. Results Rationale for the construction and testing of AChR ECD variants N-Terminal addition of the FLAG peptide (DY- KDDDDK) or addition of the first transmembrane amino acid of the

Ngày tải lên: 30/03/2014, 10:20

... stability of the two forms of the enzyme comes into question. Here the stability of the translocatable and the mature forms of the MDHs were compared by two experimen- tal methods. In one set of experiments, ... structure of this tetrameric aldolase, the target- ing segment forms an important part of a subunit interface. In order to compare the properties of translocatable proteins and their processed forms, ... study of the MDHs. As noted above, there exist unique isoforms of MDH for glyoxysomes, mitochon- dria and chloroplasts, and in many species there is also a cytosolic form [8]. Examples of the

Ngày tải lên: 30/03/2014, 15:20

... size for the removal of the carbonate scale from the steel substrate. The coexisting magnetite particles have well-developed {011} surfaces regardless of MWT. Keywords Calcium carbonate Á Nanoparticle ... channel, and the flux density of the field [14]. However, the specific surfaces of a crystalline particle that tend to be neutralized by MWT were not studied. For a calcium carbonate type scale, it ... formation of the high-pressure phase of calcium carbonate, i.e. aragonite, at ambient pressure [35]. In this regard, sodium chloride tends to inhibit aragonite but favor calcite formation from a bicarbonate

Ngày tải lên: 21/06/2014, 08:20

... journal of combinatorics 13 (2006), #R57 3 Proof of Lemma 2.9. Let α −β be a follower of γ −δ.Wesaythatα−β is safe if Left can survive both α − H and H − β moving second, for some follower H of G. ... reduced canonical forms of certain loopy games. 1 Introduction The reduced canonical form G of a loopfree game G is the simplest game infinitesimally close to G. Reduced canonical forms were introduced ... different, construction of G.Inthispaperwe show that the Grossman–Siegel construction generalizes to a class of loopy games known as stoppers. The arsenal of tools available in the study of loopy games

Ngày tải lên: 07/08/2014, 13:21

... representation of truncated forms of the canine parvovirus (CPV) structural protein VP2 and their fusions with the enhanced green fluorescent protein, EGFPFigure 1 Schematic representation of truncated forms ... implications of the structure of the murine parvovirus, minute virus of mice Structure 1998, 6(11):1369-1381 Page 11 of 12 (page number not for citation purposes) Journal of Nanobiotechnology ... deletions of [33] and epitope insertions in the loops of the virion [34], N-terminal fusion of foreign antigens to VP1 [35,36], N-terminal insertion and fusion [17,19,37] or Immunoblot analyses of the

Ngày tải lên: 11/08/2014, 00:22

... Whole-Organ analysis of calcium behaviour in the developing pistil of olive (Olea europaea L.) as a tool for the determination of key events in sexual plant reproduction Krzysztof Zienkiewicz 1,2 ... degree and the spatial organization of calcium-dependent events of sexual reproduction occurring in developing pistil of angiosperms. The progressive increase of the Ca 2+ pool during olive pistil ... ivity state of the stigma in the olive [30]. Thus, we propose that the grade of fluorescence intensity of the incorporated Fluo-3 AM could be used as a potential marker of the degree of stigma

Ngày tải lên: 11/08/2014, 11:21

... suggested varying degrees of sta- bility of the transgene in the progeny transgenic viruses. The stability of the HA + phenotype of MVA-HANP in Vero cells was not included because of low virus titres. ... amount of mature virus forms produced by respec-tive virus strains in Vero cellsFigure 6 Relative amount of mature virus forms produced by respective virus strains in Vero cells. Virion forms ... are some of the factors that might affect the stability of the HA transgene or the loss of the HA expression following serial passage of the transgenic viruses. Genome wide mapping of these recombinant

Ngày tải lên: 12/08/2014, 04:21

... suggested varying degrees of sta- bility of the transgene in the progeny transgenic viruses. The stability of the HA + phenotype of MVA-HANP in Vero cells was not included because of low virus titres. ... amount of mature virus forms produced by respec-tive virus strains in Vero cellsFigure 6 Relative amount of mature virus forms produced by respective virus strains in Vero cells. Virion forms ... are some of the factors that might affect the stability of the HA transgene or the loss of the HA expression following serial passage of the transgenic viruses. Genome wide mapping of these recombinant

Ngày tải lên: 12/08/2014, 04:21

... series of experiments and to shed fur- ther light on the fibrogenic cascade, we sought to deter- mine the expression profiles of ING4, also known as inhibitor of HIF-1a, in different forms of pulmonary ... profiling of disease progression in a well characterized animal model of pulmonary fibrosis and produced a number of highly involved genes in the disease pathogenesis. Among them, the role of ... time in the literature, the expression profiles of ING4 in the experi- mental model of pulmonary fibrosis as well as in patients with two different forms of fibrotic lung disease, IPF and COP.

Ngày tải lên: 12/08/2014, 14:20

... summary of the development of this way of thinking was published a decade later [6] The most important argument in favor of this point of view is the identity of the equilibrium distribution of substances ... concept of the resting state of the contractile apparatus Based on the experience of classical physiology, it is necessary to accept that the concept of the resting state of cell (as well as of its ... activated (non-native) state Principles of native aggregation From the point of view of the proposed approach, reactions of the cell to external actions, various forms of cellular activity (metabolism,

Ngày tải lên: 13/08/2014, 16:20

... LOGO “DETERMINATION OF THE APPROPRIATE CONTENT OF CALCIUM NITRITE AS A CORROSION INHIBITOR IN REINFORCED CONCRETE” “DETERMINATION OF THE APPROPRIATE CONTENT OF CALCIUM NITRITE AS A CORROSION ... 30% of solid calcium nitrite solution Material and research methodology 1.Extract of cement water Testing samples 2. Reinforced concrete samples 1. Extract of cement water Reference extract of ... inhibitors: NO 2 - containing derivatives such as calcium nitrite, sodium nitrite are often used. General The inhibition mechanism of CN A. Oxidation of FeO to form Fe 2 O 3 B. The adsorption on steel

Ngày tải lên: 13/08/2014, 22:21

... chuyên ngành GVHD: Lê Thị Bích Ngọc Sản phẩm Calcium Carbonate TLG2200 là loại Calcium Carbonate không... li ti  Màng bọc đúc ép Calcium Carbonate giúp giảm chi phí giá thành trong ... phẩm Mã hiệu Hình ảnh Độ mịn (d50) Ứng dụng Sản phẩm Calcium Carbonate PHỦ TLA- 2.1 – 2.7 ACID 115 µm TLA115 là loại Calcium Carbonate có tráng phủ một lớp acid stearic được ứng SVTT: ... GVHD: Lê Thị Bích Ngọc dụng trong xuất ống... Lê Thị Bích Ngọc Sản phẩm Calcium Carbonate TLG270 là loại Calcium Carbonate không có tráng phủ acid TLG- 7.1 – 8.2 stearic được ứng 270 µm

Ngày tải lên: 29/09/2014, 02:20

... Definitions of Ratings and Other Forms of Opinion – Nov 2012 Definitions of Ratings and Other Forms of Opinion Fitch Ratings – Definitions of Ratings and Other Forms of ... presumption of potential support being forthcoming. In practice this approximates to a probability of support of less than 40%. Fitch Ratings – Definitions of Ratings and Other Forms of Opinion ... further information on the limitations of the agency’s ratings. Fitch Ratings – Definitions of Ratings and Other Forms of Opinion – Nov 2012 14 Limitations of the Corporate Finance Obligation...

Ngày tải lên: 16/02/2014, 03:20

... Asymptotic behavior of all elements of the matrix occurs whenever all of the roots of the characteristic equation of A have negative real parts where the characteristic equation of A is defi ned ... If either of the above-described methods of linearization is employed to (8.2-1)–(8.2-3) , the linear differential equations of an induction machine become 306 ALTERNATIVE FORMS OF MACHINE ... dynam- ics of the prime mover system. The change of input torque (negative load torque) is a function of the change in rotor speed Δ ω r / ω b , which in turn is a function of the dynamics of the...

Ngày tải lên: 16/02/2014, 18:47