Effects of heat organic matrix on enamel demineralization diffusion

... to the mixed effect of both permeability reduction and compositional changes in enamel The organic matrix has the retardation effect on the diffusion of ions in enamel The heating in the temperature ... effect of the organic matrix of the enamel (Arwill et al., 1965) The lipid component of enamel acts as an inhibitor to the ions diffusion during demineralizati...

Ngày tải lên: 05/10/2015, 13:53

... 45:1041–1053 Cox DK 1974 Effects of three heating rates on the critical thermal maximum of bluegill In Gibbons JW, Sharitz RR, eds, Thermal Ecology CONF-730505 National Technical Information Service, Springfield, ... presence of each of the chemicals Chemical concentrations used in the present study are presented in Table Measured values or recovery rates of test c...

Ngày tải lên: 14/03/2014, 20:20

... IDENTIFYING THE PROBLEM II.1.1 Identifying the problem The action research was carried out with the aim of finding The effects of pre – writing activities on grade 11th non – English major students’ ... up activities b .Pre – writing activities c While – writing activities d After – writing activities Table summarizes th...

Ngày tải lên: 07/09/2013, 13:58

... indication of the effects of education and health on labour productivity In the case of education, it is likely that on average across the community, the effect of a person’s level of education on their ... to the effects of education (section 2.1) and health (section 2.2) on wages 2.1 Education and wages The influence of educati...

Ngày tải lên: 14/02/2014, 09:20

... to consider carefully the connections between the chemistry of the atmosphere and climate These connections are complex and their nonlinearity is exemplified by the fact that concentrations of ... consideration of control policies applied to local air pollution and global climate It also provides the capability to assess the effects of air pollution...

Ngày tải lên: 17/02/2014, 22:20

... functions for right-facing and left-facing instructional conditions The results of a two-way analysis of variance on the positions of the centers of the objects indicate a main effect of facing direction ... pleasing if the subject were positioned decidedly off center and facing out of the frame, violating these conventions to convey feelings of isolation, loneliness,...

Ngày tải lên: 07/03/2014, 17:20

... number of reasons First, as can be expected the ASR 1-best output is typically error-prone especially when a user query originates from a noisy environment However, ASR word confusion networks ... A Stolcke 2000 Finding consensus in speech recognition: Word error minimization and other applications of confusion networks Computation and Language, 14(4):273–400, October P Natara...

Ngày tải lên: 08/03/2014, 21:20

... only Nonprofit Hospitals Statute Prevents State Agencies From Considering Community Benefits When Granting Tax‑Exempt Status, While the Effects of Purchases and Consolidations on Prices of Care ... Benefits When Granting Tax Exempt Status, While the Effects of Purchases and Consolidations on Prices of Care Are Unc...

Ngày tải lên: 15/03/2014, 23:20

... ADAM10 For further confirmation of these findings, we examined the myelination of peripheral nerves in ADAM10 transgenic mice and mice overexpressing dominant negative ADAM10 Because myelination ... Reconstitution experiments with transfection of ADAM10 in ADAM17) ⁄ ) embryonic mouse fibroblasts [55] suggested only a minor influence of ADAM10 on neuregulin-1 shedding, but...

Ngày tải lên: 16/03/2014, 04:20

... Effects of DiS-C3(5) on the turbidity of mitochondrial suspensions (A) and on permeability of mitochondrial inner membrane (B) (A) The effect of 50 lM DiS-C3(5) on the turbidity of mitochondrial ... actions were observed, depending on the concentration The addition of DiS-C3(5) £ 10 lM caused deceleration of mitochondrial oxygen consumption but > 20 lM caus...

Ngày tải lên: 16/03/2014, 18:20

... 1913 HDAC inhibitors and Timp-1 expression A D A Young et al Fig Histone deacetylase inhibitors have differential effects on PMA- vs TGF-b1- induced Timp-1 expression (A and B) C3H10T1 ⁄ murine fibroblasts ... required for induction of the Timp-1 gene Time course of TSA action upon PMA- and TGF-b1- induced Timp-1 expression The time course of induction...

Ngày tải lên: 16/03/2014, 18:20

... Ca2+ in ux Effect of EPCG, catechin hydrate, curcumin, apigenin, naringenin and gallotannin on QUIN-induced intracellular Ca2+ in cultured human neurons As mentioned above, QUIN stimulation induced ... curcumin, apigenin, naringenin and gallotannin on QUIN-induced nNOS activity and extracellular nitrite production in human neurons Effect of EPCG, catechin hydrate, curcumi...

Ngày tải lên: 22/03/2014, 21:20

... inactions CONSEQUENCES OF SELF -CONTROL REGRET FOR CONSUMER CHOICE An intriguing question that has important implications for both consumers and marketers is whether the anticipation of self -control regret ... empirical research on self -control regret, a basic assumption underlying extant theories of self -control is that the anticipated regret of future lapses o...

Ngày tải lên: 29/03/2014, 20:20

... effects of PycnogenolÒ on redox enzymes, with emphasis on the regulation of TrxR Results Effects of PycnogenolÒ on cellular TrxR enzyme activity To investigate the effects of PycnogenolÒ on the TrxR, ... translocated to the nucleus when oxidized, resulting in translational inhibition of TrxR [8] The less pronounced effects seen for TrxR2 may be explai...

Ngày tải lên: 30/03/2014, 02:20

... rmDNase1l3 ( 34 kDa) from the zymograms of DNase1 and DNase1l3 By comparing the properties of rmDNase1 and rmDNase1l3 in the hydrolysis of pDNA and chromatin with those of serum collected from WT and ... (rrDNase1l3; DNase c, DNase Y, LS-DNase, nhDNase) [7,8] DNase1l3 belongs to the DNase1 nuclease family, which consists of DNase1 and three further DNase...

Ngày tải lên: 30/03/2014, 02:20