12 variation of pressure loss with flow rate forvarious faucets and cocks

Thiết kế đường ống nước Ashrae 2009

Thiết kế đường ống nước Ashrae 2009

... on exact pressure losses and capacities Figure 12 shows the variation of pressure loss with rate of flow for various faucets and cocks The water demand for hose bibbs or other large-demand fixtures ... Curves for Demand Load Fig Pressure Losses in Disk-Type Water Meters Fig 11 Pressure Losses in Disk-Type Water Meters Fig Variation of Pressure Loss with Flow Rate for Various Faucets and Cocks Fig ... extrapolation) Fig 12 Variation of Pressure Loss with Flow Rate for Various Faucets and Cocks by multiplying the difference in elevation in metres by the conversion factor 9.8 Pressure losses in the...

Ngày tải lên: 30/08/2016, 15:17

21 643 0
Trace-based Just-in-Time Type Specialization for DynamicLanguages

Trace-based Just-in-Time Type Specialization for DynamicLanguages

... value of the variable x is of type int and the value of b is of type boolean The entry type map is much like the signature of a function In this paper, we only discuss typed loop traces, and we ... inheritance and eval To evaluate an object property read expression like o.x, the interpreter must search the property map of o and all of its prototypes and parents Property maps can be implemented with ... trace also imports local and global variables by unboxing them and copying them to its activation record Thus, the trace can read and write these variables with simple loads and stores from a native...

Ngày tải lên: 26/06/2013, 12:43

14 651 1
Chapter 2: Pressure Distribution in a Fluid

Chapter 2: Pressure Distribution in a Fluid

... = (/o)m, where m is an exponent of order 1.3 and po and o are sea-level values of pressure and density (a) Integrate this expression in the static atmosphere and find a distribution p(z) (b) ... of 54 kPa with an uncertainty of kPa The lapse rate is 0.006 K/m with an uncertainty of 0.001 K/m Effective sea-level temperature is 10C with an uncertainty of 5C Effective sea-level pressure ... kPa (gage) Ans 2.6 Express standard atmospheric pressure as a head, h = p/ g, in (a) feet of ethylene glycol; (b) inches of mercury; (c) meters of water; and (d) mm of methanol Solution: Take the...

Ngày tải lên: 23/10/2013, 21:15

44 628 1
Curing an air lock in a hot water pipe

Curing an air lock in a hot water pipe

... shower head with the membrane still in place 4) Go to the header tank and turn ONLY the hot outlet OFF Leave the cold one ON 5) Go back to the shower taps and turn both hot and cold ON, with the ... downstairs and carry out the procedure initially described i.e using hand pressure over the mixer taps The mains pressured water will now back flow up into the hot water system but then flow across ... mains pressure from forcing your hand away from the tap outlet) The cold supply, now unable to exit from the hand blocked tap outlet, will instead flow across to the hot water pipe causing a backflow...

Ngày tải lên: 17/12/2013, 10:45

3 272 0
Tài liệu Pollutants in urban waste water and sewage sludge doc

Tài liệu Pollutants in urban waste water and sewage sludge doc

... zinc, roof runoff was the largest source as it contributed 72%, and road runoff only contributed 12% For lead, the main source was again roof runoff with 33% contribution and then road runoff with ... different and depends on traffic, material and age of roofs and other surfaces, and meteorological and environmental conditions Although a number of studies had focused on the effects of urban land ... 1992 3598 212 58 1993(July) 1979 104 36 38 Potentially Toxic Elements B Roof runoff Runoff from roof surfaces constitutes a significant fraction of the total sealed surface runoff and is often regarded...

Ngày tải lên: 17/02/2014, 10:20

273 743 0
Pollution Prevention Guidelines Works and maintenance in or near water: PPG5 ppt

Pollution Prevention Guidelines Works and maintenance in or near water: PPG5 ppt

... use of appropriate pump rates – to avoid disturbance of bed or bank the maximum rate should be set after consideration of the flow of the river, the location of the discharge and the risk of erosion ... of plant on site can generate silt and oil contaminated water Sources of silt such as plant and wheel washing and site roads and river crossings carry a high risk of causing pollution Plant and ... pump rate and discharge quality 2.2d Pump to grassland You must have our permission and the landowners’ before planning to use this method of disposal The discharge rate must match the rate of...

Ngày tải lên: 06/03/2014, 23:20

16 543 0
Báo cáo khoa học: NMR investigations of subunit c of the ATP synthase from Propionigenium modestum in chloroform/methanol/water (4 : 4 : 1) pot

Báo cáo khoa học: NMR investigations of subunit c of the ATP synthase from Propionigenium modestum in chloroform/methanol/water (4 : 4 : 1) pot

... College of Medicine, New York, USA, personal communication) Ten milliliters of C2HCl3 were added to 11 mL of subunit c [1 mgÆmL)1 in chloroform/methanol (2 : 1)] and the mixture was concentrated ... (sm ¼ 60 ms) [31], and 3D 13Cresolved [1H,1H]-NOESY (sm ¼ 150 ms) Spectra were processed and analysed with the programs PROSA [32] and XEASY [33] Chemical shifts were calibrated with sodium 3-(trimethylsilyl)propane-1-sulfonate ... helical hairpin in chloroform/methanol/water (4 : : 1) The hairpin structure of subunit c is indicated, however, by a wealth of experiments [12, 36–40] and was unequivocally demonstrated by the F1c crystal...

Ngày tải lên: 08/03/2014, 10:20

5 462 0
9/11: Mental Health in the Wake of Terrorist Attacks ppt

9/11: Mental Health in the Wake of Terrorist Attacks ppt

... Gelman and Murray Charles Gelman Professor and Chair of the Department of Epidemiology at the Mailman School of Public Health of Columbia University, and Head of the Department of Epidemiology of ... the grief and shock into action and compassion” (this volume, p 193) It is noted in the risk associated with the loss of a loved one, the loss of social network, place of work, the loss of community, ... of trauma and grief Journal of Loss and Trauma, 9, 73–87 Neria, Y Soloman, R & Dekel, R (1998) Eighteen-year follow up of Israeli prisoners of war and combat veterans The Journal of Nervous and...

Ngày tải lên: 15/03/2014, 01:20

676 8,7K 0
Arsenic mobility in groundwater surface water systems in carbonate rich pleistocene glacial drift aquife

Arsenic mobility in groundwater surface water systems in carbonate rich pleistocene glacial drift aquife

... deposits and associated geothermal waters (Korte and Fernando, 1991); and fossil fuels, including coals and petroleum (Korte and Fernando, 1991; Smedley and Kinniburgh, 2002) Although igneous and ... successive oxidation and re-precipitation processes can also occur, with progressive loss of As in the solid phase, i.e., Fe-oxides This loss of As is a result of the incomplete sorption of As back onto ... carbonates and sands of the Marshall Fm (C) Shaded relief map of Michigan marked with outlines of the USGS reference watersheds identified by name Each watershed is marked with a line of section...

Ngày tải lên: 15/03/2014, 23:48

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Báo cáo khoa học: Role of disulfide bonds in goose-type lysozyme potx

Báo cáo khoa học: Role of disulfide bonds in goose-type lysozyme potx

... enthalpy and entropy of both the native and unfolded states of the protein [49] The thermal unfolding of the wild-type protein has been investigated using CD and uorescence spectroscopy, and led ... uorescence data completely coincided, and the Tm and Cm values obtained with CD were in good agreement with the data determined with uorescence (Fig 5, and Tables and 2) The coinciding transitions ... unfolding curves of the wild-type and mutant C4S C18S C29S C60S obtained with CD are indicated as wild-type (CD) and C4S C18S C29S C60S (CD), respectively, and those of the wild-type and mutant...

Ngày tải lên: 16/03/2014, 06:20

13 380 0
Báo cáo khoa học: Theoretical study of lipid biosynthesis in wild-type Escherichia coli and in a protoplast-type L-form using elementary flux mode analysis potx

Báo cáo khoa học: Theoretical study of lipid biosynthesis in wild-type Escherichia coli and in a protoplast-type L-form using elementary flux mode analysis potx

... 24 24 12 – – 12 12 12 – – – 51 51 51 – – – – 51 – 51 51 32 20 26 – 14 14 14 – – 20 26 24 – – – 24 24 24 24 24 – 24 12 – – – 12 12 12 – – – 12 24 – 24 – 24 24 24 24 24 – – 121212 12 12 – ... at positions 122 and 125 Of these, the latter is the catalytic residue, and the former is involved in substrate binding [34] Examination of the structure of LpxA bound to its substrate substantiates ... production of lipid A, several fatty acids with specific chain lengths are needed – laurate (saturated C12, i.e 12 carbon atoms), hydroxymyristoate (saturated C14), and palmitoleate (unsaturated C16)...

Ngày tải lên: 22/03/2014, 21:20

12 554 0
Báo cáo " Characteristics of Quaternary sedimentary facies in relation to water bearing capacity of aquifers and aquicludes in the Red River Delta, Vietnam " ppt

Báo cáo " Characteristics of Quaternary sedimentary facies in relation to water bearing capacity of aquifers and aquicludes in the Red River Delta, Vietnam " ppt

... widespread in the plain. The third sequence has  a  continuous  change  of facies  from  sand,  silt  and clay  of alluvial  facies  to  clayey  silt  mixed  with sand  of deltaic  facies  and silty  clay  of lagoonal  facies  in  ... mainly  of greenish  gray  fine  clayey  sand  of lagoonal  and coastal  swamp  facies  of Hai Hung Formation in the upper sequence and the fine sediments of deltaic and marine facies of Vinh Phuc Formation in the lower sequence.   ... wide range from 2‐4 m up to 36 m, with thickness  increasing  towards  the  center  of plain.  It  is  composed of sand, silt, clay of alluvial facies of Thai  Binh  Formation  (Fig.  2)  in  the  upper  part  and lens  of ...

Ngày tải lên: 28/03/2014, 15:20

7 672 0
Variation in Helper Type Affects Group Stability and Reproductive Decisions in a Cooperative Breeder doc

Variation in Helper Type Affects Group Stability and Reproductive Decisions in a Cooperative Breeder doc

... independent of male helping score, but in interaction with their own helping score (comparison of GLMMs with and without an interaction of clutch mass · female type as a predictor of the latency ... generalized linear models (GLM) of the binomial family for focal males (n = 12) and females separately (n = 12) , correcting for the mean aggression of the partners (sequences and combined) To test whether ... mate and their subordinate separately The later aggressiveness observation was determined likewise for 10 min, on day 12 to 38 after release of the focal pair (variation in timing because of observations...

Ngày tải lên: 28/03/2014, 16:20

13 303 0
distillation and vapor pressure measurement in petroleum products

distillation and vapor pressure measurement in petroleum products

... vapor pressure standards have withstood the test of time, and an examination of the current D323 reveals that very little change has occurred, with the exception of the correction factor and its ... observations of temperature readings and volumes of condensate are made, depending on the needs of the user of the data The volume of the residue and the losses are also recorded At the conclusion of the ... Determination of Vapor Pressure of Crude Oil: VPCRx ͑Expansion Method͒ ͓6͔, D6378 “Standard Test Method for Determination of Vapor Pressure ͑VPx͒ of Petroleum Products, Hydrocarbons, and Hydrocarbon-Oxygenate...

Ngày tải lên: 01/04/2014, 11:24

162 581 0
cross plane thermoelectric transport in p type la0.67sr0.33mno3 lamno3 oxide metal semiconductor superlattices

cross plane thermoelectric transport in p type la0.67sr0.33mno3 lamno3 oxide metal semiconductor superlattices

... was 40:10 sccm of Cl2:Ar, a chamber pressure of 0.7 Pa, a RF forward power of 800 W, and a capacitive bias of 350 W The metallization used for top and bottom contacts consisted of three layers, ... of LSMO on STO, which showed that all four 90 -separated film peaks were well-aligned with the substrate peaks LMO 2h-x analyses of the sample grown at a higher oxygen pressure in the range of ... http://jap.aip.org/about/rights _and_ permissions 193702-4 Jha et al scans of superlattices, which showed that all four 90 separated film peaks of LSMO and LMO were well-aligned with the STO substrate peaks A 110...

Ngày tải lên: 06/05/2014, 08:53

8 399 0
scientific american   -  1995 11  -  guardian cells in the brain

scientific american - 1995 11 - guardian cells in the brain

... cauldron, my grand ideas of an hour ago seem absurd and pathetic, my life is in ruins and worse stillẹruinous; my body is uninhabitable It is raging and weeping and full of destruction and wild energy ... collapse of the cod fisheries in the early 1990s left tens of thousands of people out of work Although debates over the conservation of natural resources are often cast as a conflict between jobs and ... demonstrated the storage and high-ịdelity retrieval of 500 high-resolution holographic images of tanks, jeeps and other military vehicles in a crystal of lithium niobate with trace amounts of iron...

Ngày tải lên: 12/05/2014, 15:02

86 539 0
Chapter 11 Advanced Topics in Windows Forms

Chapter 11 Advanced Topics in Windows Forms

... Chapter 12 Using User Assistance Controls and Components StatusStrip Control Display status information about the application ToolStripStatusLabel Text Chapter 12 Using User Assistance Controls and ... general categories: use the keyboard use the mouse Drag and drop: same as cutting and pasting using keyboard 11.1 Drag-Drop (P523) Sequence of events Dragging is initiated (call DoDragDrop for the ... 11.2 MDI parent form/child form model Has a single parent form The parent form organizes and arranges all of the child documents that are currently open 11.2 MDI What is an MDI Form? Multiple-document...

Ngày tải lên: 13/05/2014, 12:19

14 287 0
Báo cáo hóa học: " Mechanisms underlying center of pressure displacements in obese subjects during quiet stance" pdf

Báo cáo hóa học: " Mechanisms underlying center of pressure displacements in obese subjects during quiet stance" pdf

... comfortable position and to stand barefoot on the force platform (Kistler, CH, sampling rate 100Hz), in a standard position with 30° feet abduction and heels at a distance of cm Two 60-second ... anteroposterior (AP) and medio-lateral (ML) axes: Root Mean Square (RMS) of CoP positions (RMSAP and RMSML), maximum excursion of CoP along the axes (RANGEAP and RANGE ML ), and mean velocity of CoP displacements ... to its design, and interpretation of data and drafted the manuscript ET has been involved in acquisition of data and analysis MB has been involved in data and statistical analysis and revising...

Ngày tải lên: 19/06/2014, 08:20

6 277 0
báo cáo hóa học:" Cartilage contact pressure elevations in dysplastic hips: a chronic overload model" potx

báo cáo hóa học:" Cartilage contact pressure elevations in dysplastic hips: a chronic overload model" potx

... I 12 1.754 1.145 12 4.945 3.192 1.926 6.984 4.686 3.399 12 3.563 2.447 0.566 12 8.298 4.699 3.416 12 4.922 3.108 1.403 12 5.25 3.835 2.323 4.526 3.463 1.852 12 7.05 5.48 4.41 6.87 5.44 4.36 12 ... evaluated with the use of the anatomical classification of Severin[9] The anteroposterior radiographs were also analyzed with the use of a digitizer program[14], with regard to the acetabular angle of ... 6.553 5.764 12 4.83 3.107 1.402 12 1.89 1.229 12 6.462 4.702 3.419 7.758 5.323 4.206 12 3.582 3.366 0.463 12 9.58 6.604 5.828 6.096 3.815 2.298 12 6.345 3.965 2.487 5.15 3.827 2.313 12 7.38 5.43...

Ngày tải lên: 20/06/2014, 00:20

11 299 0
Báo cáo toán học: " Biperiodicity in neutral-type delayed difference neural networks" ppt

Báo cáo toán học: " Biperiodicity in neutral-type delayed difference neural networks" ppt

... information regarding the past rate of change since they effectively describe and model the dynamic of the application of neural networks [2–4] As a consequence, scholars and researchers have paid ... estimation of S1 (n) and S2 (n) for assumption (H2 ) Figure 2: The existence of a positive T -periodic sequence solution of (4.1) Figure 3: The existence of a negative T -periodic sequence solution of ... (H1 ) and (H2 ), for each Σ, the operator C Σ is completely continuous on B Σ Proof For any given Σ and u ∈ B Σ , we have two cases for the estimation of (C Σ u)i (n) • Case 1: As Σ = R and u...

Ngày tải lên: 20/06/2014, 20:20

23 617 0
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