temperature of surfaces in contact with fresh concrete
cold weather concreting
... time of mixing is shown in Lines 2, 3, and of Table 3.1 As the ambient air temperature decreases, the concrete temperature during mixing should be increased to offset the heat lost in the interval ... primarily of insuring that all surfaces that will be in contact with newly placed concrete are at temperatures that cannot cause early freezing or seriously prolong setting of the concrete Ordinarily, ... record of the in- place concrete temperature was maintained as indicated in Columns and of Table 6.4.4 After days (72 hr), the contractor needed to know the in- place strength of the concrete in the...
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Báo cáo nghiên cứu khoa học: " AN APPROACH TO THREE CLASSICAL TESTS OF THE GENERAL THEORY OF RELATIVITY IN THE VECTOR MODEL FOR GRAVITATIONAL FIELD" docx
... We see that in non-inertial frames of reference, the length of a line segment depends upon the region of space it is located in The length of the same line segment differs at points with different ... gravitational forces in non-inertial reference frames [5,6], there is a freely falling coordinate system in which equation of motion of this particle is that of straight line in space time[4] ... at each point with its etalons into measured results with the standard etalon is the synchronizing of the rulers and the clocks as the synchronizing of clocks in the special theory of relativity...
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Sensory characterization of dry-cured ham using free-choice profiling
... particles during chewing), pastiness (feeling of paste detected in hams with a high proteolytic index), fibrousness (textural property characterized by the perception of the amount of muscle fibres ... characteristics of four different types of commercial dry-cured ham using FCP Furthermore and, in order to surmount the inconvenience related to the interpretation of the consumers’ vocabulary, a QDA with ... familiarity with the product To summarize, FCP offers the possibility of assisting the demands of marketing and product development teams who require information on target consumer’s perception of products,...
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Written tests of english at vietnam high schools nowadays and some suggestions
... 15 attached with coefficient score 1) Since this kind of test is designed basing on the learned-just- lessons, it is not often informed in advance Testing time may be at the beginning, at the ... context-linking make up in total mark? 2.2.3 Select suitable questions = 14 = There are in fact many ways of classifying questions, but people often grade questions according to marking way Accordingly, ... directly information obtained over a test In addition, well-prepared ones will be able to be used in next times In general, compiling questions should comply with the following points: What information...
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SYSTEMATICS OF FAGACEAE: PHYLOGENETIC TESTS OF REPRODUCTIVE TRAIT EVOLUTION ppt
... particular combinations of morphological innovation including transitions to animal-dispersed fruit (including hypogeous germination), evolution of wind pollination, and evolution of single-fruited, ... hypotheses of independent origin We present our working hypotheses in the context of the 14-taxon combined analysis assuming insect 1372 INTERNATIONAL JOURNAL OF PLANT SCIENCES pollination, dichasium ... insect pollination was observed by Dodd et al (1999) (e.g., Joinvilleaceae within Poales, but see Bayer and Appel [1998] for a contrasting view of pollination in Joinvillea), other examples of...
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Báo cáo khoa học: "Unsupervised Learning of Field Segmentation Models for Information Extraction" pot
... most often corresponds in the gold data There is a worry with this kind of greedy mapping: it increasingly in ates the results as the number of hidden states grows To keep the accuracies meaningful, ... range of linguistic phenomena in text, including morphology, parts-ofspeech (POS), named entity mentions, and even topic changes in discourse An HMM consists of a set of states S, a set of observations ... but create a training set by first adding documents from the test set (without annotation), then adding documents from the annotated training set (without annotation), and finally adding documents...
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ANAEROBIC BIODEGRADATION RATES OF ORGANIC CHEMICALS IN GROUNDWATER: A SUMMARY OF FIELD AND LABORATORY STUDIES pdf
... LIST OF FIGURES Page Figure 2.1 Temperature of Groundwater in the United States at Depths of 10-20 meters (Collins, 1925) LIST OF TABLES Page Table 2.1 Summary of Rate ... ii ACKNOWLEDGMENTS A number of individuals have been involved with the project Dr Zubair A Saleem of the U.S EPA, Office of Solid Waste, Washington, D.C., provided overall technical ... the distribution of rate constants The individual rates are also reported in parentheses following the average Information from the tables in Appendix F for each compound is used in the subsurface...
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AEROBIC BIODEGRADATION OF ORGANIC CHEMICALS IN ENVIRONMENTAL MEDIA: A SUMMARY OF FIELD AND LABORATORY STUDIES pot
... determine the rate of biodegradation of specific contaminants in groundwater during a field study Mass flux of the studied contaminant through a line/cluster of wells (a transect) is recorded instead ... describe the kinetics of biodegradation loss in natural systems has been criticized Bekins et al (1998) suggest that the automatic use of first-order kinetics without first determining whether ... reached as a final timepoint, an earlier time was chosen for the kinetics calculation, if possible; the use of zero as a denominator in the first-order rate equation would result in an “infinite” value...
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Chapter 4 characteristics of field effect transistors
... called pinchoff) Above pinchoff but below avalanche breakdown, drain current iD remains nearly constant as vDS is increased The shorted-gate parameters I DSS and Vp are defined as indicated in Fig ... Transistor CHAPTER 4: CHARACTERISTICS OF FIELD-EFFECT TRANSISTOR 4.1 INTRODUCTION The operation of the field-effect transistor (FET) can be explained in terms of only majority-carrier (one-polarity) ... and V As gate potential decreases, the pinchoff voltage, that is, the sourceto-drain voltage Vp at which pinchoff occurs, also decreases, approximately obeying the equation: Vp Vp vGS Val de...
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applications of field-programmable gate arrays in scientific research
... is written with the RC value, indicating that this bin has been addressed in the current booking session When a bin is addressed again, the output of the index RAM equals RC, indicating that the ... back into the addressed bin Histogram booking consists of three essential operations: (1) reading out the content of the addressed bin, (2) incrementing the content by 1, and (3) writing the incremented ... scheme shown in Figure 4.13b, the bin number corresponding to the current output of the RAM is compared with bin numbers in the three later pipeline stages If the current bin is rehit within clock...
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báo cáo hóa học: " Thai SF-36 health survey: tests of data quality, scaling assumptions, reliability and validity in healthy men and women" pdf
... number of completed items, the percent of missing data in every item and the frequency distribution of individual items were determined Ordering of levels of health The ordering of item means within ... concepts of mental health and vitality, was of some concern in a Chinese and a Japanese translation[14,15] Watkins [16] noted minor problems with internal consistency in several of the scales in a ... should cluster in the same order as hypothesized for the original SF-36 Tests of scaling assumptions Tests of scaling assumptions determine the appropriateness of including an item in a particular...
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báo cáo hóa học: " Age and gender differences in seven tests of functional mobility" doc
... tests examined These findings confirm those of previous studies and indicate that when compared with young people, older people exhibit poorer leaning balance [1,2], more difficulty maintaining balance ... balance by bending or rotating the body without moving the feet (i.e move the centre of mass), so that a pen mounted vertically at the end of the rod followed and remained within a convoluted ... Journal of NeuroEngineering and Rehabilitation 2009, 6:31 the targeting of interventions for people who exhibit a decline in their functional status at an early stage, prior to the occurrence of falls...
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Báo cáo hóa học: " Rapid Prototyping of Field Programmable Gate Array-Based Discrete Cosine Transform Approximations" pot
... degrees in electrical engineering from the University of Calgary in 1999 and 2002, respectively He is presently working for Intelligent Engines in Calgary, Canada His main research interests include ... permits the design of DCT approximations with the highest coding gain given the constraints, it is often time consuming and inconvenient Instead, we introduce an alternative initialization method ... between the coding gain, MSE, and hardware cost is useful in designing small DCT cores with high coding gain values that must share limited space with other cores on an FPGA The coding gain varies...
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Chapter 4: Tests of grammar & usage pot
... containing multiple choice items It can measure some of the skills tested in composition writing 6 Constructing items involving the changing of words This type of item is useful for testing ... items involving the changing of words ‘broken sentence’ items pairing and matching items combination items addition items Multiple - choice items the incomplete statement type with a choice of ... multiple-choice item format to a format involving some actual writing Ss unscrambling sentences and writing out each sentence, putting the words in their correct order Constructing completion items ...
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The Chemistry, Properties and Tests of Precious Stones doc
... that in the case of a sudden flooding of the market with one class of stone, even if it should be one hitherto rare and precious, there would be an equally sudden drop in the intrinsic value of ... precluded, and there is induced in the mind—even of those with whom the study of precious stones has no part commercially—an intelligent interest in the sight or association of what might otherwise ... chrysoberyl, spinel, and the like This silica group is extremely interesting, for in it, with the exception of the tourmaline and a few others, the composition of the gems is very simple, and we find in...
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Designation: C 230/C 230M – 98e1 - Flow Table for Use in Tests of Hydraulic Cement1 doc
... asserted in connection with any item mentioned in this standard Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement ... thickness of 0.2 in [5 mm] The outside of the top edge of the mold shall be shaped so as to provide an integral collar for convenient lifting of the mold All surfaces shall be machined to a smooth ... value without the necessity of calculating the average of four individual measurements of the total flow The American Society for Testing and Materials takes no position respecting the validity of...
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TESTS OF GRADE 12 - TEST 2 pps
... the contact / whom / with a In Japan, it is important to know the rank of people with whom you come in contact b To know the rank of people with whom you come in contact it is important in Japan ... lack of confidence Maintaining an eye contact is a difficult process As the circumstances in an interview are different, the value of eye contact is tremendous in making a personal impact Interviewers ... growth of around 8.5% during 2007 c Vietnam's Minister of Planning and Investment said that the government, targets a GDP growth of around 8.5% in 2007 d According to Vietnam's Minister of Planning...
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Báo cáo vật lý: "EFFECT OF FIELD STRENGTH IN THE VELOCITY ANISOTROPY OF FERROFLUIDS" pptx
... existence of grain-field interactions and grain-grain interactions are confirmed in the ferrofluid system and this make one to think of using the fluid for biomedical applications Grain-field interactions ... The Lf is found to be a predominant factor in determining the nature of the sound velocity variations in the liquid mixtures.19 The smaller values of β with increasing field (Fig 4) revealed that ... comparing these values with the values obtained under no field condition, it is observed that the increasing strength of external magnetic field, in general shows a non-linear increase in sound...
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Báo cáo lâm nghiệp:"Effects of field vegetation control on pine weevil (Hylobius abietis) damage to newly planted Norway spruce seedlings" ppt
... greatly reduced within two years following treatment For instance, when measured in June 1999, the debarked area of seedlings planted in patches scarified in May of the year before planting was significantly ... was the dominant species in 90% of the planting spots in October 1999 Hairy grass also dominated in the scarified patches, the corresponding values being 83% for patches scarified in May1998, ... Mineral soil, scarified in May 1998; (3) Mineral soil, scarified in May 1998, treated with Roundup; (4) Mineral soil, scarified in May 1998, treated with FeSO4; (5) Mineral soil, scarified in...
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Báo cáo khoa học: "Statistics review 8: Qualitative data – tests of association" pot
... patients in the next cell can be obtained in 92C8 ways from the 95 – = 92 remaining patients The remaining cells can be obtained in 84C47 and 37C37 (= 1) ways Therefore, the number of ways of obtaining ... Following the lines of the test of the gradient in regression, with some fairly minor modifications and using large sample 49 Critical Care February 2004 Vol No Bewick et al Table Table Number of ... risk, indicating that those receiving early goal-directed therapy have a reduced risk for dying Difference between two proportions Confidence interval For the Rivers study, instead of examining...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25