steel fabric for reinforcement of concrete

... DETAILING IN CONCRETE Pitch Pitch of fabric is the centre-to-centre distance of wires in a sheet of fabric Width Width of sheet is the shortest side of a sheet of fabric, irrespective of the manufacturing ... Ample concrete protection, called cover, must be provided for the steel reinforcing Cover is measured as the distance from the outside face of the concrete to the edge of a reinforcing bar For reinforcement ... slab thickness or a maximum of 18 in (457 mm) I.8 Steel fabric for reinforcement of concrete I.8.1 British practice: BS 4483 (1998) I.8.1.1 Definitions For the purposes of this British Standard the...

Ngày tải lên: 20/08/2015, 10:02

... amorphous form is a possible source material for the manufacture of unfired brick based on geopolymer technology The physical and chemical characteristics of fly ash produced from the combustion of ... improves the fluidity of flowable fill and grout [2] The chemical compositions of various fly ashes show a wide range, depend on the type of coal Fly ash consists primarily of oxides of silicon, aluminum, ... then the formation of a gel, as the oligomers in the aqueous phase form large networks by condensation After gelation, the system continues to rearrange and reorganize, as the connectivity of the...

Ngày tải lên: 01/04/2013, 22:46

... chloroform The result can only be estimated to be ¼ · 109 M)1 in chloroform, in agreement with NMR results A more accurate value of Ka was determined when the titration was carried out in chloroform ... NOEs in chloroform In addition, the duplex Fig Example of six-H-bond, complementary duplex 1•2 could even be detected by straight phase (SiO2) TLC Using 10% dimethylformamide in chloroform as the ... the formation and high stability of the duplex Further NMR studies showed significant downfield shifts of the amide protons of the : mixture of and in comparison to the separate solutions of the...

Ngày tải lên: 23/03/2014, 12:20

... preliminary information source, 68 national offices of the Austrian Federal Chamber of Commerce were contacted Although this type of information is offered to members of the organisation only, 32 offices ... reports in chapter of this thesis serve as a basis for a report by the Liquid Biofuels Task of IEA Bioenergy85 This report, an update of the 1997 “Report of the commercial production of Biodiesel world-wide” ... fuel Some type of government subsidies are necessary for the industry to develop These subsidies, primarily in the form of tax waivers, have been responsible for the rapid growth of Biodiesel use...

Ngày tải lên: 29/03/2014, 17:20

... audio information to achieve robust topic identification As for visual information, we can utilize background color distribution of the image For example, frying and boiling are usually performed ... and an original form of its verb corresponds to a topic, its topic is set to that topic Remind that [action declaration] is a kind of declaration of starting a series of actions For example, in ... an action are extracted in the form of case frame, which is assigned by case analysis This procedure is performed for generalization and word sense disambiguation For example, “塩を入れる (add salt)”...

Ngày tải lên: 31/03/2014, 01:20

... the Fourier transform of the signal Given reasonable a priori information about the signal, this algorithm was reported to have performed well for positive SNRs Another scheme for FSK and AM signal ... first-order cyclostationarity For example, by using the closed-form expressions for the temporal parameters of the nth-order cyclostationarity of SCLD signals [16], it is straightforward to obtain the ... respect to requirements for the measurement or a priori knowledge of signal parameters For more than two decades, the cyclostationary properties of signals have been explored for signal intercept...

Ngày tải lên: 21/06/2014, 19:20

... Property ii by restricting k ∈ 0, βk for uniform boundedness of {ek } and k ∈ 0, βk for its asymptotic convergence to zero in the case of nonzero ek iv If |βk | ≤ 1; for all k ∈ Z0 and ∞ |zk | < ∞, ... sequence of means {μk } on Z ⊂ left invariant if μ ∞ S ; s ∈ sf ∞ S is μ f ; for all s ∈ S, for all f ∈ Z, for all μ ∈ {μk } in Z∗ for ∗ ∗ strongly left regular if limα s μα − μα 0, for all s ... formalism of Hilbert spaces, for all k ∈ Z0 see, e.g., 4, 9, 10 There has been proven the weak convergence of the sequence {xk } to a fixed point of T for any given u, x0 ∈ C if αk k−α for α ∈...

Ngày tải lên: 21/06/2014, 20:20

... absorption of the mixture was recorded immediately and for the next For the GOD/GNR system, the measuring procedures were the same as those for free GOD in solution except for the use of 10 lL ... mixture, 180 lL of the seed solution was added to initiate the growth of the GNRs These GNRs were aged for 24 h to insure full growth Polyelectrolyte Coating of GNRs About 10 mL of asprepared GNRs ... color of the solution changed from dark yellow to brownish yellow under vigorous stirring, indicating the formation of the seed solution After h, this seed solution was used for the synthesis of...

Ngày tải lên: 22/06/2014, 00:20

... Stancu-type formula for the remainder of q-BBH operators is obtained which reduce to the formula of remainder of classical BBH operators (see [17, page 151]) Similar formula is obtained for q-Szasz ... uniform convergence and rate of convergence of the operators (2.5) As in [10], for this purpose we give a space of function ω of the type of modulus of continuity which satisfies the following ... Transactions of Academy of Sciences of Azerbaijan Series of PhysicalTechnical and Mathematical Sciences, vol 19, no 5, pp 21–26, 1999 [11] O Agratini, “Approximation properties of a generalization of Bleimann,...

Ngày tải lên: 22/06/2014, 06:20

... LDPC codes of different girths and rates For a graph of size n, vertex degree of k, and girth of g, the corresponding LDPC code matrix is of size n × nk/2, rate − (2/k), and girth of 2g CAGES ... Figure 2: BER performances of high girth LDPC codes from distance graphs (25 iterations) formances approaching BER of 10−6 between and dB for some codes Figure shows performance curves for codes derived ... codes perform better than a random code free of four cycles The (3, 17)-cage LDPC code has the best performance which could be attributed to its large girth of 34 Figure shows performances of codes...

Ngày tải lên: 22/06/2014, 22:20

... distance is a global invariant (for orthogonal transformations) for the former and a local invariant for the latter (under general coordinate transformations) Indeed, because of the space curvature, ... expressions for invariant (29) for 3D objects for a general and a diagonal metric Moreover, for 4D objects, we obtained exact expressions for invariant (29), for a diagonal metric for which all ... invariant (29) for some particular cases It is possible to perform an exact calculation for the invariant if some kind of symmetry is assumed for the source tensor and consequently for the metric...

Ngày tải lên: 22/06/2014, 23:20

... structure of GARCH modeling The estimation of orders p and q has an important role in the GARCH modeling of the time series Otherwise, because of the importance of the orders in the computation of coefficients, ... feasible initial values of them at the beginning of the process As a matter of fact, the initial values of the bounded parameters are one of the most important factors in the rate of the convergence ... results of estimation of PDFs are shown in Figure that can verify the flexibility of GARCH process for the additive noise modeling 4.2 Hydrophone array After the analysis of the proposed method for...

Ngày tải lên: 22/06/2014, 23:20

... ACKNOWLEDGMENTS [16] The author thanks Professor Walter Makous of the University of Rochester and Professor Scott Stevenson of the University of Houston for their helpful discussion regarding implicit ... frequency of the grating is Finally, the effect of field size on contrast sensitivity can be explained by the breadth of implicit masking The extent of implicit masking is determined by the spread of ... framework of visual image processing for pattern detection and brightness perception The output of the last nonlinearity shows cortical information representation and other well-known properties of...

Ngày tải lên: 22/06/2014, 23:20

... entropy for α = e R´ nyi entropy for α = 0.3 e R´ nyi entropy for α = 0.6 e Shannon entropy DJRα (p, q) for α = 0.5 Figure 7: Shannon and R´ nyi entropies of Bernoulli distribution e p = (p, − p) for ... cases of Jensen-R´ nyi divergence are e obtained for α = 1/2 for which one obtains the log Hellinger distance squared and for α = for which one obtains the Kullback-Liebler divergence [29] For ... codon and functional sites of the genes The fact that the composition of the nucleotides for positions inside the codon (periodicity of three nucleotides) is different for the coding regions than...

Ngày tải lên: 23/06/2014, 01:20

... mix for the first round PCR consisted of 2.5 µl of 10X PCR buffer, 2.5 µl of 25 mM MgCl , µl of 2.5 mM deoxynucleoside triphosphate (dNTPs), 2.5 U of Taq-polymerase (Promega, USA), pmol of each ... 200 ng of template DNA in a total volume of 25 µl The PCR conditions included an initial denaturation at 94 C for followed by 30 cycles of denaturation at 94 C for min, annealing at 60 C for min, ... for min, extension at 72 C for 30 sec, and one cycle of extension at 72 C for For second round nested-PCR, pmol of each primer, HE1 and HE3 (Genotech, Korea) and µl of first PCR product as template...

Ngày tải lên: 07/08/2014, 18:21

... therapy of the primary tumor has no influence on the systemic course of the disease This is not necessarily true for early disease For anal melanomas, as for any melanoma, the biological control of ... because of the limited number of patients and the retrospective design of all anal melanoma reports Advanced anorectal melanoma most likely represents a systemic disease at time of diagnosis Therefore, ... improved survival rate for patients with these unusual variants of melanoma 10 11 12 13 Consent Written informed consent was obtained from the patient for publication of this case report and...

Ngày tải lên: 09/08/2014, 04:21

... salinity Figure Profile of gene expression by putative functional category Profile of gene expression by putative functional category The number and direction of transcriptional changes of the 80 differential ... (94°C) for min, followed by 32 cycles of 94°C for 30 sec; annealing temperatures were programmed at a descendant ramp from 60°C to 55°C and 72°C for 30 sec and a final extension of 72°C for minutes ... expression matrix was performed using software Infostat 2006® [123] A two step procedure was used for candidate gene identification First an analysis of variance for every gene was performed and only...

Ngày tải lên: 12/08/2014, 05:20

... evaluation of time performance is shown in Table 1, and the quality of temporal change detection is shown in Figure Figure The scheme of partition of two frames for temporal analysis Method Time performance ... a model of temporal change detection, a model of textural analysis and a model of flickering verification; and a novel model of spatial structure of fire region Finally, three models of fire ... used for in the literature of automatic fire detection are reviewed Secondly, some of visual features of fire region for early fire detection are examined in detail, which include a model of fire-color...

Ngày tải lên: 20/01/2015, 21:12

... estimated force and the measured force from force sensor 2.3.2 Other Methods Instead of investigating the relationship between sEMG features and force for force estimation, some other force estimation ... This electrophysiological activation of a muscle initiates the production of mechanical force Considering most of the applications of sEMG signal for muscle force prediction, assumptions are made ... concurrently to the actual exerted force Currently, most of the research works investigate muscle force estimation without considering the prediction of muscle force before the force is measured If proper...

Ngày tải lên: 10/09/2015, 09:23

... Figure 2.8 TEM images of the 30-nm NPs in the absence of Hg2+ (a) and in the presence of Hg2+ (10µM) (b) c) Corresponding UV―vis spectra of a mixture of 30-nm probes A, B and C7 before and after adding ... measurement of thermal transition profiles Control experiments showed that the melting temperature (Tm) of mispair DNAs in presence of Hg2+ are not only higher than that of mispair DNAs in absence of ... only forms the interstrand covalent bonds between the N7-nitrogen of guanine and the N3-nitrogen of its base-paired cytosine These selective reactions offer efficient approach for detection of...

Ngày tải lên: 10/09/2015, 15:52