cold weather concreting
... CHAPTER - PROTECTION AGAINST FREEZING AND PROTECTION FOR CONCRETE NOT REQUIRING CONSTRUCTION SUPPORTS 5.1 - Protection to prevent early-age freezing To prevent early-age freezing, protection ... Heavyweight, and Mass Concrete 212.2R-81 Guide for Use of Admixtures in Concrete 301-84 Specifications for Structural Concrete for Buildings 302.1R-80 Guide for Concrete Floor and Slab Construction ... R, for different cement contents, and for protection periods of or days For protection periods less than days, the tables or figures for days should be used For protection periods between and...
Ngày tải lên: 24/10/2014, 15:45
... axis and increase along the negative direction It should be noted that the laws of conservation of linear and angular momentum not hold in noninertial reference frames due to the non-uniformity and ... displace a standard ruler and a standard clock along the orbit of the particle.But when the ruler and clock move along the orbit in the gravitational field, the length of ruler and rate of the ... previous papers[5,6], we see that inertial force field is just gravitational force field, therefore space time in a gravitational field (as in a field of inertial forces) is non- Euclidean MOTION OF...
Ngày tải lên: 22/07/2014, 06:21
... Organization for Standardization ISO 8586-2 (1994) Sensory analysis General guidance for the selection, training and monitoring of assessors Part 2: Experts Geneva: International Organization for Standardization ... by the first dimension, whereas B and C were separated by the second dimension The comparison Table Least square means and RMSE for each sensory descriptor and for each type of drycured ham obtained ... elicited by consumers for each city and gender Since age, education level and work situation (supplementary variables) did not show significant differences, these variables were not represented in...
Ngày tải lên: 03/04/2013, 21:07
Written tests of english at vietnam high schools nowadays and some suggestions
... there have been different ideas both for and against tests Some people think tests are not really necessary for it takes so much time and effort of both teachers and students even all the involved ... are having a nice holiday, but not forget to write Love, For writing letters, the teachers should pre-teach the standard frame: informal and formal, similarities and differences between them The ... intelligible for administers, supervisors, candidates and markers - For the administers: + test the paper length + materials required + conditions - For the candidates: + time allowed for the whole...
Ngày tải lên: 24/12/2013, 09:36
SYSTEMATICS OF FAGACEAE: PHYLOGENETIC TESTS OF REPRODUCTIVE TRAIT EVOLUTION ppt
... treatment and morphological cladistic position that Chrysolepis and Castanopsis are not sister taxa, the former more likely related to Quercus and Lithocarpus (figs 4, 6) Combined analysis weakly supports ... morphological and anatomical evidence also supports deep divergence among modern families, as synapomorphic character states are few (Abbe 1974; Hufford 1992; Manos and Steele 1997) and not surprisingly, ... staminate and pistillate flowers and pollen of Trigonobalanus sensu lato and Quercus provide compelling evidence for a close relationship on the basis of intuitive and morphocladistic perspectives (Forman...
Ngày tải lên: 14/03/2014, 16:20
Báo cáo khoa học: "Unsupervised Learning of Field Segmentation Models for Information Extraction" pot
... field segmentation model for the citations, and encodes a large amount of hand-supplied information about name forms, abbreviation schemes, and so on More recently, Barzilay and Lee (2004) defined ... functions of this form is 1−σ ) This constraint provides a notable performance improvement: with 400 unannotated training documents the accuracy jumps from 48.8% to 70.0% for advertisements and from 49.7% ... from the annotated documents only, and not reestimate it Semi-supervised results for the citations domain are shown in Figure Adding annotated citations yields no improvement in performance, but...
Ngày tải lên: 23/03/2014, 19:20
ANAEROBIC BIODEGRADATION RATES OF ORGANIC CHEMICALS IN GROUNDWATER: A SUMMARY OF FIELD AND LABORATORY STUDIES pdf
... then pH and temperature were assigned to the study as follows: 1) pH: assume neutral range (6-8), for both laboratory and field; and 2) Temperature: assume 25 oC for laboratory, and for field ... American Forest and Paper Association; Edison Electric Institute; National Council of the Paper Industry for Air and Stream Improvement; coordinated and provided initial draft criteria and developed ... M.E., and Suflita, J.M., Biodegradation of 'BTEX' hydrocarbons under anaerobic conditions, pages 61 through 99 in Bioremediation: Principles and Applications, R.L Crawford and D.L Crawford, Cambridge...
Ngày tải lên: 28/03/2014, 19:20
AEROBIC BIODEGRADATION OF ORGANIC CHEMICALS IN ENVIRONMENTAL MEDIA: A SUMMARY OF FIELD AND LABORATORY STUDIES pot
... Benzene Forlev landfill, Korsoer, Zealand Sanitary landfill Leachate Groundwater inoculum 100 ug/L 13 0.419/day Lyngkilde,J et al (1988) Benzene Forlev landfill, Korsoer, Zealand Sanitary landfill ... (1988) Benzene Forlev landfill, Korsoer, Zealand Sanitary landfill Leachate Groundwater inoculum 100 ug/L 0.658/day Lyngkilde,J et al (1988) Benzene Vejen City, Jutland, Denmark Landfill site Groundwater ... for the aerobic degradation of fuel hydrocarbons with rates of biodegradation appearing to slow for dissolved oxygen concentrations below to ppm in microcosm and field studies and below ppm for...
Ngày tải lên: 28/03/2014, 19:20
Chapter 4 characteristics of field effect transistors
... complementary voltages and currents Fig 4-4 MOSFET construction and symbol 4.6 MOSFET TERMINAL CHARACTERISTICS In an n-channel MOSFET, the gate (positive plate), metal oxide film (dielectric), and substrate ... insulated-gate FET (IGFET) for the Val de Loire Program p.63 CHAPTER 4: Characteristics Field-Effect Transistor device The p-channel MOSFET, formed by interchanging p and n semiconductor materials, ... complementary (opposite in sign) voltages and currents are used Val de Loire Program p.58 CHAPTER 4: Characteristics Field-Effect Transistor Fig 4-1 JFET Constructions and Symbols 4.3 JFET TERMINAL CHARACTERISTICS...
Ngày tải lên: 18/05/2014, 18:57
applications of field-programmable gate arrays in scientific research
... contains information obtained from authentic and highly regarded sources Reasonable efforts have been made to publish reliable data and information, but the author and publisher cannot assume ... turned on for 0.5 s and will be off for another 0.5 s One may enrich the rhythm of the LED flashing by adding some simple logic For example, the LED output produced with the AND gate Q[23] AND. Q[21] ... of registers for data storage and an add-by-1 adder for incrementing the count For each event, only one counter is enabled to increment and the adders of all the other counters are not used, which...
Ngày tải lên: 31/05/2014, 00:20
báo cáo hóa học: " Thai SF-36 health survey: tests of data quality, scaling assumptions, reliability and validity in healthy men and women" pdf
... Correlations are displayed in large font for hypothesized scales and in smaller font for non-hypothesized scales Page of (page number not for citation purposes) Health and Quality of Life Outcomes 2008, ... and MH4) Tests of scaling assumptions Standard deviations of items within a scale were similar and close to 1.0 for BP, GH, VT, SF and MH (scales with 5and 6-choice responses) The two role functioning ... depression/anxiety, arthritis, Page of (page number not for citation purposes) Health and Quality of Life Outcomes 2008, 6:52 impaired vision not correctable by refraction and problems with eating, chewing or...
Ngày tải lên: 18/06/2014, 19:20
báo cáo hóa học: " Age and gender differences in seven tests of functional mobility" doc
... and (B) Near tandem balTests of (A) Coordinated stability and (B) Near tandem balance During the stair ascent and descent tests, 45% and 52% (respectively) of older people held the handrail for ... place in the forward position for the test and they were required to stand in this position for 30s with eyes closed The time that participants were able to stand in this position before a step ... SL and AT conceived the study, participated in its design and coordination and tested the old participants AB and Page of (page number not for citation purposes) Journal of NeuroEngineering and...
Ngày tải lên: 19/06/2014, 08:20
Báo cáo hóa học: " Rapid Prototyping of Field Programmable Gate Array-Based Discrete Cosine Transform Approximations" pot
... plane rotations cannot therefore be used to produce transforms with perfect reconstruction properties The plane rotation matrix can be factored to create a forward and inverse transform matrix pair ... approximation-dependent and implementationdependent performance measures that can be controlled by the method discussed in this paper include: σx (5) where H is the forward transform matrix of the DCT transform and ... IEEE Trans on Circuits and Systems II: Analog and Digital Signal Processing, vol 43, no 10, pp 677–688, 1996 J Katto and Y Yasuda, “Performance evaluation of subband coding and optimization of its...
Ngày tải lên: 23/06/2014, 00:20
Chapter 4: Tests of grammar & usage pot
... several forms, the first of which to consider the multiple - choice type useful to change from a multiple-choice item format to a format involving some actual writing Ss unscrambling sentences and ... provide the basis for the test items Constructors of classroom tests and school achievement tests should take advantage of the types of errors made by students in their free composition and open-ended ... cannot be machine marked 5 Constructing transformation items extremely useful for testing ability to produce structure in the target language and helping to provide balance when included...
Ngày tải lên: 27/06/2014, 09:20
The Chemistry, Properties and Tests of Precious Stones doc
... there was a call for such a book I have written the present volume in order to meet this want, and I trust that this handbook will prove useful, not only to the expert and to those requiring certain ... pressure could be applied to it for perhaps a few thousand years; at any rate, the formation of a natural jewel is not greatly different, and after being subjected for a period, extending to ages, ... requirements:—It must withstand the action of light without deterioration of its beauty, lustre, or substance, and it must be of sufficient hardness to retain its form, purity and lustre under the actions...
Ngày tải lên: 28/06/2014, 19:20
Designation: C 230/C 230M – 98e1 - Flow Table for Use in Tests of Hydraulic Cement1 doc
... reviewed every five years and if not revised, either reapproved or withdrawn Your comments are invited either for revision of this standard or for additional standards and should be addressed to ... 1.3 mm] and –0.02 in [–0.5 mm] for molds in use The diameter of the bottom opening shall be 4.00 0.02 in [100.0 0.5 mm] for new molds and 4.00 + 0.05 in [+ 1.3 mm] and –0.02 in [–0.5 mm] for molds ... indicator is set at zero and permitted to drop a dozen or more times just prior to use if it has not been operated for some time Mold and Caliper 5.1 The conical mold for casting the flow specimen...
Ngày tải lên: 10/07/2014, 23:20
TESTS OF GRADE 12 - TEST 2 pps
... suits and ties, and women wear dresses or skirts (not trousers) Doctors, lawyers and business people wear quite formal clothes And in some hotels and restaurants men have to wear ties and women ... did not go b her not go c her not to go d she did not go 26 John often says he _ boxing because it _ a cruel sport a does not like / is b did not like / were c not liked / had been d had not ... _ guide to the full-time and part-time programs on offer to a range of candidates drawn from schools and colleges a inform b informative c informed d information 15 Not many places at the universities...
Ngày tải lên: 25/07/2014, 03:20
Báo cáo vật lý: "EFFECT OF FIELD STRENGTH IN THE VELOCITY ANISOTROPY OF FERROFLUIDS" pptx
... are forming a cage-like structure and thus a decrease in distance of separation exits As the observed Lf decreases, it confirms the closeness of the particles that forms another support for the ... were dialyzed at 37°C for 2–3 days with adequate stirring RESULTS AND DISCUSSION Using the following standard relations, the adiabatic compressibility (β), the free length (Lf) and the acoustic impedance ... experiment and hence no chance for the change in the number of components is possible On the other hand, the application of external field may collect all the magnetic particles in the medium and make...
Ngày tải lên: 07/08/2014, 14:20
Báo cáo lâm nghiệp:"Effects of field vegetation control on pine weevil (Hylobius abietis) damage to newly planted Norway spruce seedlings" ppt
... pitfall traps, Scand J For Res 12 (1997) 225–240 [11] Örlander G., Nilsson U., Effect of reforestation methods on pine weevil (Hylobius abietis) damage and seedling survival, Scand J For Res 14 (1999) ... 25.3 ± 4.3 cm and 3.8 ± 0.8 mm, and those for the third period (August–October 1999) were 18.7 ± 3.3 cm and 3.1 ± 0.6 mm 2.4 Calculations and statistical analysis The mean cover (± standard error) ... vegetation and mosses were calculated for all treatments and experiments The effect of vegetation cover on pine weevil feeding was then analysed The analysis was done separately for controls and the...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo khoa học: "Statistics review 8: Qualitative data – tests of association" pot
... [3] and indicates that, for those on early goal-directed therapy, the true population risk for death is likely to be between 24.0% and 41.0%, and that for the standard therapy between 40.6% and ... 32.5%, and so this is the risk for death with early goal-directed therapy The risk for death on the standard therapy is 59/119 = 49.6% Another measurement of the association between a disease and ... between the observed and expected frequencies These differences are referred to as residuals, and they can be standardized and adjusted to follow a Normal distribution with mean and standard deviation...
Ngày tải lên: 12/08/2014, 20:20