5—production of concrete from recycled concrete

Production of Trichloromethylphenol from Organophosphorus Pesticide Fenitrothion by Chlorination

Ngày tải lên : 05/09/2013, 10:15

... (2C5M4NP) was obtained by custom order from Chemical Soft R&D Inc (Kyoto, Japan) 20 mg of each of the chemicals is dissolved into L of distilled water and mg-Cl/mg-C of sodium hypochlorite was added ... K (1976) Chemical changes of some organic compounds in chlorinated Water I Formation of the P=O analogs from the P=S type of organophosphorous pesticide, The Journal of Hygienic Chemistry, 22(4), ... 0.0014 u) From the result of the GC-MS analysis, compound c was extrapolated to be TC3MP b a (A) b’ c Relative Intensity (%) Time (min) (B) m/z Fig - A chromatogram of the chlorinated sample of fenitrothion...

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THE PRODUCTION OF Vinegar from Honey ppt

Ngày tải lên : 22/03/2014, 14:20

... Rectory, near Longfield End of the Project Gutenberg EBook of The Production of Vinegar from Honey, by Gerard W Bancks *** END OF THIS PROJECT GUTENBERG EBOOK THE PRODUCTION OF VINEGAR *** ***** This ... for copies of or providing access to or distributing Project Gutenberg-tm electronic works provided that - You pay a royalty fee of 20% of the gross profits you derive from the use of Project ... accelerated by the addition of vinegar plant, and also by the presence from the commencement of a small quantity of vinegar Temperature A suitable temperature is 70 deg Fah., or from that to 80 deg Summer...

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Báo cáo toán học: " Semi-industrial production of methane from textile wastewaters" pdf

Ngày tải lên : 20/06/2014, 21:20

... energy from wind, water, and sun power, the generation of energy from organic materials - especially undissolved solid residuals from agriculture - plays the most important role in the production of ... conservative overhead of 50%, leading to a maximal expected dwell time in the new reactor of 24 days The main fermenter has an absolute volume of 430 L, and therefore, a needed input of 18 L of desizing ... production 5.3 m3/h Volume of the collection container 25 m3 Volume of the pre-chamber 10 m3 Volume of the main fermenter 100 m3 Volume of the post-fermenter 50 m3 Volume of the gas tank 300 m3 Figure...

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The Production of Ethanol from Maize Cobs and Groundnut Shells docx

Ngày tải lên : 06/07/2014, 18:20

... concentration of glucose was higher for both biomass when the concentration of 4.5M H2SO4 was used The glucose yield of maize cobs was higher than that of groundnut shells, and ranged from to 0.89g/cm3 ... could produce high quality of ethanol To determine the effect of different acid concentrations on the hydrolysis 2M solution of concentrated H2SO4 was prepared and 10g of the leached maize cobs ... the amount of ethanol produced and glucose used were determined and the results are shown in Table The ethanol in the product increased from to 8.2, while that of glucose decreased from 1.53g/cm3...

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Microwave assisted production of aggregates from demolition debris

Ngày tải lên : 11/09/2015, 10:02

... made of aggregates recycled from Singapore’s construction debris Concrete recycling is an increasingly common method of disposing of demolition rubble and can provide a sustainable source of concrete ... average value of water absorption of recycled aggregate and of natural aggregates were 6.35% and 0.90%, respectively Water absorption of recycled concrete aggregates is a function of their density ... 9 Chapter : Recycled Concrete Aggregate- Literature Review 16 2.1 Concrete Recycling Technology- State of Art 16 2.2 Properties of Recycled Concrete Aggregate (RCA)...

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study on the production of ethanol from mango peel

Ngày tải lên : 06/10/2015, 13:05

... production of ethanol from mango peel The experimental activities included: studying the effects of H2SO4 concentration, time and temperature on the hydrolysis of mango peel, assessing the effects of ... Production of ethanol from mango peel using Saccharomyces cervisiae Activities in the research: - Study on the effect of the concentration of H2SO4 on hydrolysis - Study on the effect of time and ... Hydrolysis of mango peel 3.1.1 Effect of the concentration of acid H2SO4 on hydrolysis Among factors affecting the efficiency of acid hydrolysis, acid concentration is considered one of the most...

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Báo cáo nghiên cứu khoa học " Towards Zero Discharge of Wastewater from Floating Raceway Production Ponds (Milestone No. 5) " ppt

Ngày tải lên : 22/06/2014, 12:20

... produced locally yet, transportation of fingerlings of these two species have been conducted from Cat Ba (1,400 km from Nha Trang) and from Cua Lo (1,000 km from Nha Trang) It took at least 24 ... for incorporating biofloc treatment as part of the raceway production system Two approaches are possible: in-pond biofloc treatment or external biofloc treatment as part of a recirculating system ... phase of the plant that is reported useful for biofiltration Several collecting expeditions were mounted in conjunction with marine botanists from the University of Qld Only a small amount of harpoon...

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BASICS OF CONCRETE SCIENCE - CHAPTER 5 ppt

Ngày tải lên : 09/08/2014, 14:21

... influencing of size of unit, humidity of environment and age of concrete in the moment of loading began 97 Also, deformation of creep at definite age of loading (Cm(τ)) is obtained by use of the following ... products of hydration of cement and that is accompanied by the increase of general shrinkage of concrete Thermal shrinkage is caused by the decrease of the temperature of concrete The high changes of ... and watertightness of concrete Amount of shrinkage of cement paste and concrete depends on age of hardening, composition, specific surface and quantity of cement, quantity of aggregates, water-cement...

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Báo cáo khoa học: Degradation of chitosans with chitinase B from Serratia marcescens Production of chito-oligosaccharides and insight into enzyme processivity docx

Ngày tải lên : 07/03/2014, 16:20

... a processive mode of action One goal of the present study was to exploit the unique heteropolymeric nature of chitosan to study the mechanism of action of ChiB A second goal of this study was ... al Degradation of chitosans with ChiB Fig Time course of ChiB degradation of a chitosan with FA ẳ 0.65 The graph shows the degree of scission (a) as a function of time The slope of the line at ... value of a is 0.5 and that the presence of D-units lowers the maximum value of a) FEBS Journal 272 (2005) 538549 ê 2005 FEBS The size distributions of oligomers resulting from hydrolysis of FA...

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The History of England from the Accession of James II, Vol. 5 pptx

Ngày tải lên : 08/03/2014, 22:20

... citizen of Westminster passed his days in the vicinity of the palace, of the public offices, of the houses of parliament, of the courts of law He was familiar with the faces and voices of ministers, ... Court of Requests, and hear who had spoken, and how and what were the numbers on the division He lived in a region of coffeehouses, of booksellers' shops, of clubs, of pamphlets, of newspapers, of ... and philosophers of Oxford and Cambridge, had been elected a member of the Royal Society of London, and had been one of the founders of the Royal Society of Dublin In the days of Popish ascendancy...

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A White Paper Describing Produced Water from Production of Crude Oil, Natural Gas, and Coal Bed Methane pot

Ngày tải lên : 09/03/2014, 01:20

... federal waters of the Gulf of Mexico seaward of the outer boundary of the territorial seas offshore off Louisiana and Texas The general permit includes: - No discharge within Area of Biological ... typical concentrations of pollutants in treated offshore produced water samples from the Gulf of Mexico (EPA 1993) These data were compiled by EPA during the development of its offshore discharge ... Western Portion of the Outer Continental Shelf of the Gulf of Mexico General Permit GMG290000 applies to discharges from new and existing sources in the offshore subcategory of the oil and gas...

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Báo cáo khoa học: "AN EXPERT SYSTEM FOR THE PRODUCTION OF PHONEME STRINGS FROM UNMARKED ENGLISH TEXT USING MACHINE-INDUCED RULES" pdf

Ngày tải lên : 24/03/2014, 05:21

... terms of the proper assignment of words to part -of- speech classes However, it must be capable of separating identically spelled words into different classes on the basis of function These words often ... distinctions, the current version of the parser fails to supply this information A new version of UTTER should include a better parser which is capable of making these sorts of part -of- speech dlstlnctlons ... SYSTEM ORGANIZATION The current implementation of UTTER operates in one of three modes, each of which corresponds to one of the three tasks required of the system: (I) (2) trainin~ mode: flagglr~...

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Design of concrete structures arthur h nilson

Ngày tải lên : 01/05/2014, 21:25

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supervision of concrete construction 2. [electronic resource]

Ngày tải lên : 31/05/2014, 02:04

... racks, concrete sleepers or similar means of storage will avoid formation of excessive rust and scale The use of long brothers or spreader bars, and avoidance of “barring-off” of steel from the ... and inspection of equipment 35 Checklist 35 Readymixed concrete R.E.Lavery 36 Types of trucks 37 Production of rmc 38 The use of rmc 38 Specifying rmc 42 Ordering 43 Receipt of concrete on site ... Advantages of precasting 132 Appearance of precast concrete 134 Trial erection or mock-up 135 The way up of casting 135 Joints and connections in precast concrete 136 Erection of precast concrete...

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supervision of concrete construction. [electronic resource]

Ngày tải lên : 31/05/2014, 02:05

... Scale of operations—available space, etc; Quantities of aggregate, cement, etc; Site access Position of buildings on site, height of structure; Location of largest bulk of concrete; Duration of ... Points of supervision 14 271 276 Surface finish 277 Specification covering surface finish 278 Supervising the surface finish of concrete 281 The consideration of detail in production of visual concrete ... number of facets of concrete construction with which the supervisor will become involved when he undertakes decision-making in the planning and execution of concrete work Where possible, the use of...

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Unified theory of concrete structures thomas hsu

Ngày tải lên : 07/06/2014, 00:49

... Relationship of Concrete in Compression 6.1.7 Softening Coefﬁcient ζ 6.1.8 Smeared Stress–Strain Relationship of Concrete in Tension 6.1.9 Smeared Stress–Strain Relationship of Mild Steel Bars in Concrete ... Professor Hsu authored numerous research papers on shear and torsion of reinforced concrete and published two books: “Uniﬁed Theory of Reinforced Concrete (1993) and “Torsion of Reinforced Concrete ... Award from National Cheng Kung University, Taiwan, and the Outstanding Teacher Award from University of Houston A fellow of the American Concrete Institute, Professor Mo is also a member of ACI...

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Báo cáo nghiên cứu khoa học: "Application SDOF model to seismic base sliding analysis of concrete gravity dams subjected to earthquake load" pot

Ngày tải lên : 21/07/2014, 17:20

... Figure Displacement of dam; a) From DAS program; b) From experiment model From figure 5, it is observed that the displacements of dam block calculated by DAS program and taken from reference are ... downstream sliding of rigid concrete gravity dams subjected earthquake loads The main menu of DAS program is showed in figure Figure The main menu of DAS program Verification of model As the verification, ... developed to analyze seismic base sliding of concrete gravity dam The result of this program is in close agreement with the result of the experimental model taken from reference The method in this study...

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Báo cáo vật lý: "Preliminary Studies for Production of Fatty Acids from Hydrolysis of Cooking Palm Oil Using C. rugosa Lipase" pot

Ngày tải lên : 07/08/2014, 14:20

... withdrawn from the oil at every 30 from each flask 2.3 Determination of Degree of Hydrolysis (Conversion) and Rate of Hydrolysis The degree of hydrolysis was determined by titration of the oil ... Hydrolysis Profile Figure shows a typical hydrolysis profile of palm oil at temperature of 45ºC for an initial palm oil concentration of 0.1 g palm oil/ml iso-octane at agitation speed of 200 rpm ... indicator The degree of hydrolysis, X is calculated as below: X,% = (ml NaOH used) (molarity of NaOH) (average molecular weight of fatty acid) 10 (weight of sample) (1) The rate of hydrolysis, r...

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Báo cáo y học: "Androgen conversion in osteoarthritis and rheumatoid arthritis synoviocytes – androstenedione and testosterone inhibit estrogen formation and favor production of more potent 5α-reduced androgens" ppt

Ngày tải lên : 09/08/2014, 06:23

... hydrophobicity of the analytes of interest: system consisted of methanol:water (50:50) and system was methanol:water (65:35) System was used for identification of 5α-reduced androgens Retention times of ... aspects of hormone conversion in primary synovial cells and synovial tissue of long-standing RA and OA patients in the advanced phase of the disease: Conversion of DHEA yielded high amounts of estrogens ... opening the knee joint capsule, preparation of which was previously described [21] A piece of synovial tissue of up to cm2 was dissected Six pieces of about 16 mm2 were loaded into separate superfusion...

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