—volume of coarse aggregate per unit of vo
state of the art report on soil cement
Ngày tải lên :
24/10/2014, 17:44
... amount of cement required is specified as a percentage by weight of oven-dry soil, or in lb of cement per ft3 of compacted soil cement Table 6.1 can be used to determine quantities of cement per ... desired properties and type of soils Cement contents may range from as low as to a high of 16 percent by dry weight of soil Generally, as the clayey portion of the soil increases, the quantity of cement ... soil-cement construction were developed as a percentage of cement by volume in terms of a 94-lb U.S bag of cement The cement content by volume in terms of other bag weights, such as an 80-lb Canadian...
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Báo cáo khoa học: "The growth of spruce (Picea abies (L) Karst) in the Krkonoše-(Giant) Mountains as indicated by ring width and wood density" docx
Ngày tải lên :
08/08/2014, 19:21
... occurrence of wedging and missing tree rings This serious disturbance of cambial activity points to a lack of supply of assimilates and auxine More- over, the significant impact of temperature ... data available on the periodicity of cambial activity of spruce in the upper Labe Valley, this result must be discussed further This phenomenon implies that the period of cambial activity might ... the close relation of latewood density to temperature in July and August In the recent period, when trees have grown under the impact of severe pollution, the spruces in the upper Labe Valley showed...
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Concentration and distribution of extractable elements in soil as affected by tillage systems and fertil
Ngày tải lên :
15/03/2014, 23:22
... and stratification of extractable elements in a representative soil of the Rolling Pampa, the most productive area of the Pampas Materials and methods We worked in an experiment performed at the ... hypothesize that concentrations of trace elements will increase and stratify in those soils However, as a consequence of the recent introduction of zero tillage and the lack of fertilization history, ... use of reduced tillage systems, including ZT, and phosphate fertilization are increasing dramatically The widespread use of this technology along the time will affect the soil properties of the...
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The correct answer for each question is indicated by
Ngày tải lên :
16/01/2015, 08:59
... u b l e s INCORRECT Given two sine waves A and B, if the frequency of A is twice that of B, then the period of B is that of A A o ) n e h a lf B t )w i c e 29 C t ) h e s a m e a s D in ) ... D N ) o n e of th e a b o v e 22 INCORRECT Frequency and period are A in ) v er se of e ac h ot h er B pr ) o p or ti o n al to ea ch ot h er C t ) h e s a m e 39 D n ) o n e of th e a b ... the packet coming from the upper layer that includes the logical addresses of the sender and receiver 25 INCORRECT The _ layer is responsible for the delivery of a message from one process...
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Acacia tumida prunings as source of nutrients for soil fertility improvement in niger biochemical composition and decomposition pattern
Ngày tải lên :
03/03/2016, 11:10
... distribution and temperature regime of the experimental site 4.2 Some physical and chemical properties of the experimental soils The physico - chemical properties of the soil at the experimental sites ... quantity remaining at the sampling period 3.3.1 Determination of physical and chemical characteristics of soils of the experimental fields Before the onset of the experiment, composite soil samples ... texture of the experimental sites 29 Table 4.2 Initial chemical properties of the organic amendments 30 Table 4.3 Decomposition coefficient (k) values of treatments 31 Table 4.4 Effect of type...
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Báo cáo khoa học: "A Method for Relating Multiple Newspaper Articles by Using Graphs, and Its Application to Webcasting" pptx
Ngày tải lên :
08/03/2014, 06:20
... reference node in their analysis of hypertext In the set of articles V shown in Figure 9, d7 is an index node In this paper, an index node denotes the beginning of a new topic When the topic is ... standard to offer frequently updated collections of information (channels) on Web A CDF document can contains a collection of articles that have tree structure In this paper, graph structures of created ... Features of a Graph This section describes how the features of a constructed graph represent the characteristics of articles 4.1 In-degree and Out-degree The in-degree is the number of arcs leading...
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Báo cáo khoa học: Specific Ca2+-binding motif in the LH1 complex from photosynthetic bacterium Thermochromatium tepidum as revealed by optical spectroscopy and structural modeling pdf
Ngày tải lên :
30/03/2014, 02:20
... comprise O of Leu)4, Ser)5, Thr)6, OD1 of Asp)7 and OD1 and OD2 of Asp)13 in Fig 5A, O of Val)3, Leu)4, Ser)5, Thr)6, Asp)7 and OG of Ser)5 in Fig 5B (O, OD1 ⁄ and OG are oxygen atoms of the backbone ... modeling of protein structures It implements comparative modeling by satisfaction of spatial restraints, and can perform additional tasks such as de novo modeling of loops, etc We used an average of ... discussed in terms of the long-wavelength Qy absorption of native LH1–RC Furthermore, the systematic shift of fluorescence spectra against temperature shows that the thermal stability of the intact...
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Báo cáo hóa học: " Quality of Life as reported by school children and their parents: a cross-sectional survey" docx
Ngày tải lên :
18/06/2014, 22:20
... translation of the child and parent versions of the KINDL and the ILC The following hypotheses were tested in respect of child and parent reports of QoL in a representative sample of Norwegian ... possible cluster effects The results of an analysis of unconditional random effects showed that only 3.6% of the total variance of the ILC LQ0-28 scores and 6.5% of the total KINDL Total QoL scores ... "group of disease", "age of the child" and "the source of the by proxy informant and his/ hers personal characteristics" Rather than considering parent-child disagreement only as a potential bias of...
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Genetic diversity of populations of the malesian moss, acanthorrhynchium papillatum, as measured by microsatellite markers and ITS2 sequences
Ngày tải lên :
13/09/2015, 20:34
... nanogram nM nanomolar OD optical density rpm revolutions per minute s second cm2 square centimeter U unit v/v volume per volume W watt w/v weight per volume xxiii Others DNA deoxyribonucleic acid ... 16% of my life thus far, may I never forget what and Who really matter v TABLE OF CONTENTS Acknowledgements i Table of Contents v Summary xii List of Tables xiv List of Figures xvii List of Abbreviations ... cause of this low rate of speciation is a lack of genetic variation in bryophytes Without adequate means of testing this assumption, and perhaps complicated by the phenotypic plasticity of bryophytes,...
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Tài liệu Báo cáo khoa học: Si-face stereospecificity at C5 of coenzyme F420 for F420H2 oxidase from methanogenic Archaea as determined by mass spectrometry ppt
Ngày tải lên :
20/02/2014, 03:20
... nonstereospecific reaction In Fig 2A three MALDI-TOF mass spectra of a control experiment are shown: the spectrum of [5-1H]F420 (Fig 2Aa); the spectrum of [5-1H2]F420H2 generated from [5-1H]F420 by ... 2005 FEBS H Seedorf et al Stereochemistry of F420H2 oxidase Fig MALDI-TOF-MS analysis of F420 and F420H2 for the determination of the stereospecificity of F420H2 oxidase (FprA) The insets show ... corresponds to that of a mixture of [5-1H]F420 and [5-2H]F420 (c) The simulated stick spectrum of reduced F420 (b, white) and that of the FprA oxidation product (c, white) are for a : mixture of [5-1H]F420...
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Báo cáo hóa học: " New criteria for stability of neutral differential equations with variable delays by fixed points method" docx
Ngày tải lên :
20/06/2014, 22:20
... x(t, s, ψ ) of (1) defined on [s, ∞) Similarly, the solution of (2) can be defined Next, we state some definitions of the stability Definition 2.1 For any ψ C(s) The zero solution of (1) is said ... results on stability of the zero solution of Equation Then, we generalized the results of the stability to Equation Consider the first-order delay neutral differential equation of the form x (t) ... s, and the zero solution of (8) is stable Thus, the zero solution of (8) is asymptotically stable, and hence the zero solution of (1) is asymptotically stable The proof is complete □ Remark Let...
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Báo cáo khoa học nông nghiệp " Nutrient recovery by rice crops as a treatment for aquaculture solid waste: crop yield, nutrient status and nutrient budgets " doc
Ngày tải lên :
21/06/2014, 04:20
... harvest of 300 t/ha/yr from fishponds, and a feed conversion of tonne of fish biomass for every 1.6 t of feed, of fishpond generates about 180 t of organic waste Based on an application rate of t/ha, ... about 60 of padi land per of fishpond This represents a minimum ratio of fishpond area to rice paddy area Greater than 60 per of fishpond area would be advisable to minimise the risks of nutrient ... vegetable production Application of 10 tons of vermicompost in combination with 50 % of farmers’ inorganic fertilisers formula per (150N-100 P2O5-30K2O) gave higher yield of lettuce (Lactuca sativa...
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Báo cáo lâm nghiệp: "Management criteria for Ficus insipida Willd. (Moraceae) in Amazonian white-water floodplain forests defined by tree-ring analysis" pptx
Ngày tải lên :
07/08/2014, 16:21
... cycle of 25 years, MLD of 50 cm) The volume growth model indicates that trees of F insipida with a diameter of 50 cm still have not reached their optimum volume increment rate A cutting cycle of ... increment peaks at an age of years, with rates of almost 3.5 m year1 The combination of the regression analyses of the age-dbh and dbh-height relationships results in a volume growth model for ... year-old early successional stage of the current volume increment [30, 31], when trees of F insipida have an average age of 17 years The diameter at the maximum current volume increment indicates the...
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Báo cáo khoa học: "Can generic paediatric mortality scores calculated 4 hours after admission be used as inclusion criteria for clinical trials" pot
Ngày tải lên :
12/08/2014, 20:20
... that perfect calibration and perfect discrimination cannot coexist; a perfectly calibrated model is not perfectly discriminatory because it has an AUC of only 0.83 rather than Customization of ... the performance of scoring systems [14] Discrimination measures the predictive performance of scoring systems, and when the outcome is dichotomous it is usually described by a receiver operating ... identified in some of the assessments, retrospective analysis of patients who died was performed for the classes of mortality probability for which the χ2 value exceeded 2.5 A χ2 value of 11 was needed...
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Accounting skills and programs needed for the next century as viewed by colleges and universities
Ngày tải lên :
30/09/2015, 13:41
... Fulfillment of the Requirements for the Degree of DOCTOR OF PHILOSOPHY Department of Educational Administration and Foundations ILLINOIS STATE UNIVERSITY 1998 Reproduced with permission of the copyright ... Reproduced with permission of the copyright owner Further reproduction prohibited without permission 76 76 78 79 80 82 83 84 85 86 90 92 94 Overview of the Study Statement of the Problem Purpose of the ... Analyses Pertaining to Relationship between Number of Students in Four-Year Bachelors Programs and Sets of Importance of Program Change Instrument Variables 90 iv Reproduced with permission of the...
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Báo cáo y học: "Segment-orientated analysis of two-dimensional strain and strain rate as assessed by velocity vector imaging in patients with acute myocardial infarction"
Ngày tải lên :
25/10/2012, 11:15
... cut-off value 15 for strain of –6.5 % a sensitivity of 23 % and specificity of 87 % was calculated for the detection of infarcted segments (AUC 0.6, confidence interval 0.53 – 0.64) A 111 cut-off ... of wall thickness or no LE but LAD perfusion territory) and non-infarcted 107 (LE 0%, no LAD perfusion territory)9 The results of the VVI offline analysis of the tissue velocities (S´, E´, A´) ... change of length per time unit 2-6 Previous studies using TDI or 2DST demonstrated a reduction of the myocardial deformation indices 2DS and SR in infarcted segments after AMI 7-13 The goal of our...
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boundary element methods for soil structure interaction
Ngày tải lên :
17/08/2013, 11:30
... ninth and final Chapter of the book by Professor L C Wrobel of Brunel University, Dr E Reinoso of the University of Mexico City and Professor H Power of the University of Nottingham presents an ... eighth Chapter by Professors A Frangi and G Maier of Milan Polytechnic, Professor G Novati and Dr R Springhetti of the University of Trento is devoted to the application of the symmetric Galerkin ... nevertheless are of interest to specific aspects of Soil-Structure Interaction In Part the first Chapter is by Professor J Dominguez of the University of Seville and contains a review of 25 years of dynamic...
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BIOLOGICAL NITROGEN REMOVAL FOR LONG-TERM LANDFILL LEACHATE BY USING MLE PROCES
Ngày tải lên :
05/09/2013, 08:40
... Journal of Water and Environment Technology, Vol.1, No.2, 2003 Fig Change of effluent CODCr concentration Effects of Recycle Ratio 3.1 Nitrogen This test was performed for the effects of recycle ... that of experiment on the effects of hydraulic loading rate Fig Variation of MLSS and effluent TSS concentration Fig 10 Variation of nitrogen removal rate to loading rate Fig Variation of effluent ... concentration of NH4+-N to 750 mg/L, about 1/2, we inputted leachate in the system At this time, the operation condition of denitrification tank and - 156 - Journal of Water and Environment Technology, Vol.1,...
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