description of nondestructive evaluation methods for concrete

... despite the lack of testing standards for many of the methods The development of testing standards is critical for proper application and expanded use of NDT methods for evaluation of concrete constructions ... limitations of stress-wave methods for deep foundations 2.4—Nuclear methods 2.4.1 Introduction—Nuclear methods for nondestructive evaluation of concrete can be subdivided into two groups: NONDESTRUCTIVE ... control of new construction; • troubleshooting of problems with new construction; • condition evaluation of older concrete for rehabilitation purposes; and • quality assurance of concrete repairs Nondestructive...

Ngày tải lên: 24/10/2014, 17:44

... (Summary of the evaluation of existing reliability evaluation methods and Summary of the reliability evaluation of the non-standard test data sections) Hypothesis and endpoint Usefulness of proposed ... traditional and widely accepted statistical methods Page 11 of 15 Summary of the evaluation of existing reliability evaluation methods The four reliability evaluation methods are described and compared ... not reported by any of the four evaluation methods: date of start of the test; method of preparation of stock solutions; the recovery efficiency of the method; the limit of quantification in...

Ngày tải lên: 21/06/2014, 03:20

... DEVELOPMENT, EVALUATION AND OPTIMIZATION OF IMAGE BASED METHODS FOR MONITORING CRYSTALLIZATION PROCESSES ZHOU YING (M.Sc., National University of Singapore, B.Eng., Dalian University of Technology, ... extraction of information from in-situ images remains a challenging task for several reasons: Chapter Introduction  The in-process video offers a 2-d image of 3-d objects with the consequent loss of ... lab-mates, for their efforts and assistance It is a pleasant experience to work with i them together I would also like to acknowledge the National University of Singapore (NUS) for offering me...

Ngày tải lên: 10/09/2015, 15:51

Ngày tải lên: 12/10/2015, 17:34

Ngày tải lên: 12/10/2015, 17:34

... Effects of a on C(t) a=0.5 a=1 a=2 −5 Effects of K on I(t) 0.0 0.1 0.2 0.3 0.4 0.5 t Effects of r on I(t) r=0.5 r=1 r=2 0.1 0.2 0.3 0.4 K=0.5 K=1 K=2 0.0 I(t) 15 tm=0 tm=5 tm=10 −5 10 t Effects of ... −5 10 15 10 15 t Effects of a on I(t) a=0.5 a=1 a=2 0.2 0.1 0.0 0.0 0.1 0.2 0.3 10 t Effects of tm on C(t) −5 I(t) r=0.5 r=1 r=2 0.3 C(t) 0.0 0.2 0.4 0.6 0.8 1.0 Effects of r on C(t) 0.0 0.2 0.4 ... r=1 r=2 0.3 C(t) 0.0 0.2 0.4 0.6 0.8 1.0 Effects of r on C(t) 0.0 0.2 0.4 0.6 0.8 1.0 2.0 Effects of K on C(t) K=0.5 K=1 K=2 −5 ❢r♦♠ ❘✐❝❤❛r❞s ♠♦❞❡❧ ✇✐t❤ ♣❛r❛♠❡t❡rs ✉♥❧❡ss ♦t❤❡r✇✐s❡ st❛t❡❞ 0.5 C(t)...

Ngày tải lên: 12/10/2015, 17:34

Ngày tải lên: 12/10/2015, 17:34

... string 𝑦 Performance of the application is measured in terms of character error The result of ME/L2 is better than that reported in Andrew and Gao (2007) due to the use of the variant of L2-regularized ... Set w0 = and wd = for d=1…D these two linear models local models because they For t = 1…T (T = the total number of iterations) dynamically combine the output of models that use For each training ... algorithm can be viewed as a form natural for it; thus we limit the comparison to the of incremental training procedure (e.g., using sto- two kinds of ME models for CMMs Note that our chastic...

Ngày tải lên: 08/03/2014, 02:21

... the thematic dimension of the texts, they have to be represented by their significant features from that point of view So, we only hold for each text the lemmatized form of its nouns, verbs and ... the number of occurrences of a descriptor Tj in a paragraph i; dfi is the number of paragraphs in which Tj occurs and 393 descriptor is added in the paragraph if absent In case of reinforcement, ... to the number of A occurrences and w k to the n u m b e r of B o c c u r r e n c e s In case of descriptor addition, the descriptor weight is set to the number of occurrences of the linked descriptor...

Ngày tải lên: 08/03/2014, 05:21

... Introduction Evaluation of enforcement methods for food provided by manufacturers The need for enforcement methods from the applicant The problem with residue definition Elements and format of method description ... Contents of Volume Validation of European standard (CEN) methods Scope and format of CEN methods CEN requirements for widely accepted multi-matrix/multi-residue methods Requirements for (newer) methods ... methodology for plant and animal products Nature of the residue Rationale for the presented methods Description of methodology Analytical methodology for water and soil Nature of the residue Rationale for...

Ngày tải lên: 17/03/2014, 02:20

... Introduction Evaluation of enforcement methods for food provided by manufacturers The need for enforcement methods from the applicant The problem with residue definition Elements and format of method description ... Contents of Volume Validation of European standard (CEN) methods Scope and format of CEN methods CEN requirements for widely accepted multi-matrix/multi-residue methods Requirements for (newer) methods ... methodology for plant and animal products Nature of the residue Rationale for the presented methods Description of methodology Analytical methodology for water and soil Nature of the residue Rationale for...

Ngày tải lên: 23/03/2014, 00:20

... if for any of these j-Riemann invariants, one has w(Ul ) = w(Ur ) Proof Since we have p mj linearly independent forms U wn in the orthogonal of ker (A(U ) j (U ) Id), they form a basis of this ... property for a scheme to preserve an invariant domain is an important issue of stability, as can be easily understood In particular, the occurrence of negative values for density of for internal ... Conservative schemes Notice that if (2.17) holds for some l , r , then it also holds for l l and r r , because of the convexity of U and of the formulas F (Ul , Ur ) F (Ul ) l l F (Ul , Ur )...

Ngày tải lên: 23/03/2014, 01:20

... experimental results show that BNS can perform very well in the evaluation metrics of recall rate and F-measure But for the metric of precision, it often loses to IG Besides these two comparison ... numbers of features are to be selected, different combinations of the two measurements are required to provide the best performance Although a great number of FS methods is available, none of them ... strongly prefer frequency information, e.g., DF 4.3 Performances of Different FS Methods It is worth noting that learning parameters in WFO is very important for its good performance We use 9-fold...

Ngày tải lên: 30/03/2014, 23:20

... the regression analysis of the test set unit evaluation, the evaluation result by an automatic evaluation method is used instead of IVH ' An automatic evaluation method for the proposed method ... CO Figure 6: Correct ratio of utterance unit evaluation (Number of references = 1) Figure 7: Correct ratio of utterance unit evaluation (Number of references = 16) evaluation In this figure, ... number of occurence of wi wn—i) the number of occurence of wi w n -"ref = the average number of words in a refer- ence translation, averaged over all reference translations L 8y8 = the number of...

Ngày tải lên: 31/03/2014, 20:20

... local blobs of uniform brightness as the most salient aspects of an image and are therefore more suited for the latter Other approaches for example take into account the entropy of a region (Entropy ... Subspace Methods 4.1 Introduction In this section we discuss global appearance-based methods for object recognition In fact, the discussion is reduced to subspace methods The main idea for all of these ... projection to the camera (image of the object) Examples for local features of an object are, e.g., the color, (mean) gradient or (mean) gray value of a pixel or small region For object recognition tasks...

Ngày tải lên: 24/04/2014, 13:47

... serum profiles of IL-12p70 and IFN-γ analyzed by CBA in sera of mice exposed intraperitoneally to Cd acetate or Hg chloride for or weeks Representative plots of control (PBS-treated) and of Cd-exposed ... well as the costs of RT-PCR techniques, quantifying cytokines using the PBA offers a great ease of performance In comparison with ELISA, the wide calibration range of the PBA offers a great flexibility ... [34,48] Therefore, administration of IL-12 reversed the Th2-dominant heavy metal-induced inhibition of host defense and boosted the resistance of untreated mice marked by elevation of IFN-γ profiles...

Ngày tải lên: 20/06/2014, 00:20

... attained uniformly e for y ∈ S E , iv a uniformly Fr´ chet differentiable norm we also say that E is uniformly smooth , if the e limit 2.1 is attained uniformly for x, y ∈ S E × S E The modulus of convexity ... mapping or p-uniformly convex Banach space with uniformly Gˆ teaux a differentiable norm As applications, at the end of the paper, we apply our results to the problem of finding a zero of an accretive ... x, y ∈ S E , ii a uniformly Gˆ teaux differentiable norm, if for each y in S E , the limit 2.1 is a uniformly attained for x ∈ S E , iii a Fr´ chet differentiable norm, if for each x ∈ S E , the...

Ngày tải lên: 21/06/2014, 11:20

... “An RTP payload format for generic forward error correction,” Internet Engineering Task Force Request for Comments 2733, December 1999 [18] A H Li, “RTP payload format for generic forward error ... 191) matrix where each cell of the matrix hosts one byte of information and N denotes the number of rows in the matrix The standard defines the value of N to be one of Miska M Hannuksela et al ... parameter sets The RTP payload format specification for H.264/AVC [11] includes the syntax and semantics of the RTP payload format, RTP packetization rules for H.264/AVC, informative RTP depacketization...

Ngày tải lên: 22/06/2014, 19:20

... seedlings of lowland tropical forest in Singapore, Biotropica 28 (1996) 636–648 [6] Chason J.W., Baldocchi D.D., Huston M.A., A comparison of direct and indirect methods for estimating forest canopy ... tropical rainforest in Costa Rica, J Ecol 72 (1984) 553–564 [9] Chen J.M., Black T.A., Adams R.S., Evaluation of hemispherical photography for determining plant area index and geometry of a forest ... The impact of physical damage on canopy tree regeneration in tropical rain forest, J Ecol 79 (1991) 447–458 [12] Comeau P.G., Gendron F., Letchford T., A comparison of several methods for estimating...

Ngày tải lên: 08/08/2014, 14:21

... For example, for an IS composed of two ORFs, ISsaga will extract the nucleotide sequence starting from the coordinates of the beginning of the first ORF to the coordinates of the end of the second ... introduced a number of rules that operate automatically to remove many of the major annotation ambiguities encountered due to the diversity and complexity of ISs (for example, the presence of more than ... Exploitation of ISsaga Genome context One useful feature of ISsaga is that it supplies the genome context (that is, flanking genes) for each annotated Page of IS, allowing identification of IS-induced...

Ngày tải lên: 09/08/2014, 22:24