2 915 résultats
... Periodical--No. 3, December 79 Stapled periodical, good condition--w. lightly tanned wraps, pp. lightly rubbed wraps--a few sm spts. some light wear at spine edge, ltly bumped corners. Ltly tanned p. edges. 1 light pen marking ins, o/w cln, tight. unm
... Periodical--No. 4, March 80 Stapled periodical, good condition, with lightly tanned wraps, pp. Wraps, very lightly rubbed. light reading crease or bend, ltly bumped and bent corners. Ltly tanned p. edges. A few light markings ins, o/w cln, tight, unma
Paperback. Superficial marks, light scores and creases on covers. Leading corners are lightly bumped and worn. Binding adhesive is visible on FEP. One or two light marks throughout pages. Text is clear throughout. Binding is sound. HJW Used
... No continuous pagination. Softcover, very good condition, w.ltly rubbed wraps, a few light marks. some light soil--moslty on r. light stain on fr near sp. lightly bumped and bent fr corners. lightly tanned p. edges, some light soil. O/w cln, tight, un
Paperback. Exterior is slightly worn. Content is clear on sound, clean pages. TS Used
30X23 cm. XVI+1859 pages. Gilt hardcover. Cover corners slightly bumped. Spine edges slightly bumped. Pages slightly yellowing. Pen inscription on first blank page. Else in good condition. PLEASE NOTE: On purchase of this item, shipping by Air Mail is included free of charge.
No marks or inscriptions. Oversize covers lightly creased around edges. No other creasing to covers or to spine. A lovely clean very tight copy with unmarked covers and no bumping to corners. Original string through corner to hang catalogue in office. 178pp. Catalogue in excellent condition of everything chemical with listings by chemical name, trade name and chemical plant with suppliers details.
Appears unread. No marks or inscriptions. No creasing to covers or to spine. A very clean very tight copy with bright unmarked boards, lightly tanned pages and no bumping to corners. 505pp. Novel about aliens from Callisto, a moon of Jupiter, who threaten to destroy the Earth.
Appears unread. No marks or inscriptions. No creasing to covers or to spine. A lovely clean very tight copy with bright unmarked boards and no bumping to corners. 250pp. Eighteen top scientists and experts explore what's in store for the human race. Entertaining, informative and filled with ground-breaking science.
Neat previous owner's sticker inside front board. No other marks or inscriptions. A very clean tight copy with bright unmarked black cloth boards, very faint creasing to four page corners, minor bumping to upper front corner and bottom of spine. Dust jacket not price clipped or marked or torn with slight creasing to spine ends and upper front corner. 224pp. Between 1750 and 1840, technology progressed rapidly causing an exodus of people from the land to the towns. This book tells the story of that time, of the development of industry, medicine, transport and the beginnings of the modern consumer society.
No marks or inscriptions. No creasing to covers or to spine. A very clean very tight copy with bright unmarked boards and no bumping to corners. 198pp. A study of the ultimate mystery of biology.
Octavo in blue cloth; illus.; 324 pp., 24 cm.; ex-library copy of engineering consultant firm with library card holder on front pastedown and spine label adhesive to spine tail; o/w cloth is clean and free of fraying; pages are clean, crisp, bright and free of marks and creases; binding is tight and square; a well-cared-for copy. Corp Author(s): Federal Reserve Bank of Kansas City. Out of print.
Name/date to front end paper otherwise fine condition. Appears unread. No marks or inscriptions. No creasing to covers or to spine. A very clean very tight copy with bright unmarked boards and no bumping to corners. 796pp. Detailed work on building and maintaining databases, validating data, multiple users, PEAR and all techniques of dynamic content with PHP and MySQL.
No marks or inscriptions. Creasing to covers and to spine. A clean very tight copy with rubbed unmarked boards, tanned pages and no bumping to corners. 224pp. How atomic theory, penicillin, electric batteries, space travel and many other ideas were first discovered thousands of years ago.
Very good soft cover.Apparently unused. 202p Clean Copy
. Hardcover, g., w. ltly slanted, ltly compressed sp, ltly bumped corners. Sme lt wear at fr sp edge, brd bottoms, sp ends. Smwht tanned p. edges, sme lt soil.Ltly tanned eps, pp. Sig, etc on ffep, o/w cln, tight, unmarked.Dj g., ltly rubbed, sme lt marks
Good Paperback. Clean copy. 192p. Real title is as stated on our description "communities", not "countries"
Hardback in very good condition with fair dustjacket, a little worn, some loss at corners and at top of spine. Bound in green cloth with gilt titles, gilt device on top board; almost unmarked, minor edgewear only. Previous owner's name on FEP; contents otherwise clean and sound throughout. TPW Used
No marks or inscriptions to contents. No creasing to covers or to spine. A clean copy with marked front board, rubbing to spine ends, spine foot slightly faded and minor bump to lower front corner. Pages lightly tanned and dusty top of page edges. Large fold out diagram (20 x 29 inches) at rear with example water supply district in very good condition - one small tear. Other fold-out diagrams tanned but in excellent condition. 154pp. A technical publication by a waterworks engineer on the laying out of distribution mains for water supply. Very well illustrated. Tucked in are a couple of actual plans from Chester Water Works - these have some tears and are now quite delicate. Also tucked in is a period advert from Staveley Coal & Iron Ltd with an extract from the Liverpool Courier of 1894 celebrating the opening of the new main which completed the link of water supply from Lake Vyrnwy to Liverpool Corporation Waterworks.
Good + Hardback without dust jacket. Some bumping to corners affecting associated pages slightly. Ex reference - library copy with library name plate on front board and date stamps on last page. xiv + 660p.
numerous figures, minor softening to head and tail of spine, chipping to corners, first inner hinge split but board attached, text clean and tight Used
Quarto in red illus wraps; xv, 761 pages : illustrations ; 26 cmIncludes bibliographical references and index. Appears to be a 2004 printing of the 2001 first edition, produced for the Asia market. || Contents: 1.2; World's FreshWater Resources; 4 --; 1.3; Water Use in the United States; 6 --; 1.4; Systems of Units; 8 --; 1.5; What Is Water?; 10 --; 1.6; Future of Water Resources; 12 --; Chapter 2; Principles of Flow in Hydrosystems; 15 --; 2.1; Properties Involving Mass or Weight of Water; 15 --; 2.2; Viscosity; 17 --; 2.3; Elasticity; 18 --; 2.4; Pressure and Pressure Variation; 19 --; 2.5; Surface Tension; 21 --; 2.6; Flow Visualization; 23 --; 2.7; Laminar and Turbulent Flow; 24 --; 2.8; Discharge; 25 --; Chapter 3; Flow Processes and Hydrostatic Forces; 29 --; 3.1; Control Volume Approach for Hydrosystems; 29 --; 3.2; Continuity; 32 --; 3.3; Energy; 34 --; 3.4; Momentum; 38 --; 3.5; Pressure and Pressure Forces in Static Fluids; 39 --; 3.5.1; Hydrostatic Forces; 39 --; 3.5.2; Buoyancy; 43 --; 3.6; Velocity Distribution; 44 --; Chapter 4; Hydraulic Processes: Pressurized Pipe Flow; 49 --; 4.1; Classification of Flow; 49 --; 4.2; Pressurized (Pipe) Flow; 52 --; 4.2.1; Energy Equation; 52 --; 4.2.2; Hydraulic and Energy Grade Lines; 56 --; 4.3; Headlosses; 56 --; 4.3.1; Shear-Stress Distribution of Flow in Pipes; 56 --; 4.3.2; Velocity Distribution of Flow in Pipes; 58 --; 4.3.3; Headlosses from Pipe Friction; 61 --; 4.3.4; Form (Minor) Losses; 63 --; 4.4; Forces in Pipe Flow; 70 --; 4.5; Pipe Flow in Simple Networks; 73 --; 4.5.1; Series Pipe Systems; 73 --; 4.5.2; Parallel Pipe Systems; 75 --; 4.5.3; Branching Pipe Flow; 78 --; 4.6; Measurement of Flowing Fluids in Pressure Conduits; 79 --; 4.6.1; Measurement of Static Pressure; 79 --; 4.6.2; Measurement of Velocity; 80 --; 4.6.3; Measurement of Discharge; 81 --; Chapter 5; Hydraulic Processes: Open-Channel Flow; 85 --; 5.1; Steady Uniform Flow; 85 --; 5.1.1; Energy; 85 --; 5.1.2; Momentum; 88 --; 5.1.3; Best Hydraulic Sections for Uniform Flow in Nonerodible Channels; 94 --; 5.2; Specific Energy, Momentum, and Specific Force; 95 --; 5.2.1; Specific Energy; 95 --; 5.2.2; Momentum; 101 --; 5.2.3; Specific Force; 102 --; 5.3; Steady, Gradually Varied Flow; 105 --; 5.3.1; Gradually Varied Flow Equations; 105 --; 5.3.2; Water Surface Profile Classification; 108 --; 5.4; Gradually Varied Flow for Natural Channels; 111 --; 5.4.1; Development of Equations; 111 --; 5.4.2; Energy Correction Factor; 114 --; 5.4.3; Application for Water Surface Profile; 118 --; 5.5; Rapidly Varied Flow; 123 --; 5.6; Discharge Measurement; 128 --; 5.6.1; Weir; 128 --; 5.6.2; Flumes; 132 --; 5.6.3; Stream Flow Measurement: Velocity-Area-Integration Method; 135 --; Chapter 6; Hydraulic Processes: Groundwater Flow; 141 --; 6.1; Groundwater Concepts; 141 --; 6.2; Saturated Flow; 150 --; 6.2.1; Governing Equations; 150 --; 6.2.2; Flow Nets; 152 --; 6.3; Steady-State One-Dimensional Flow; 154 --; 6.4; Steady-State Well Hydraulics; 157 --; 6.4.1; Flow to Wells; 157 --; 6.4.2; Confined Aquifers; 158 --; 6.4.3; Unconfined Aquifers; 161 --; 6.5; Transient Well Hydraulics--Confined Conditions; 162 --; 6.5.1; Nonequilibrium Well Pumping Equation; 162 --; 6.5.2; Graphical Solution; 165 --; 6.5.3; Cooper-Jacob Method of Solution; 167 --; 6.6; Transient Well Hydraulics--Unconfined Conditions; 172 --; 6.7; Transient Well Hydraulics--Leaky Aquifer Conditions; 173 --; 6.8; Boundary Effects: Image Well Theory; 174 --; 6.8.1; Barrier Boundary; 175 --; 6.8.2; Recharge Boundary; 178 --; 6.8.3; Multiple Boundary Systems; 179 --; 6.9; Simulation of Groundwater Systems; 181 --; 6.9.1; Governing Equations; 181 --; 6.9.2; Finite Difference Equations; 182 --; 6.9.3; MODFLOW; 186 --; Chapter 7; Hydrologic Processes; 191 --; 7.1; Introduction to Hydrology; 191 --; 7.1.1; What Is Hydrology?; 191 --; 7.1.2; Hydrologic Cycle; 191 --; 7.1.3; Hydrologic Systems; 193 --; 7.1.4; Atmospheric and Ocean Circulation; 199 --; 7.2; Precipitation (Rainfall); 202 --; 7.2.1; Precipitation Formation and Types; 202 --; 7.2.2; Rainfall Variability; 204 --; 7.2.3; Disposal of Rainfall on a Watershed; 212 --; 7.2.4; Design Storms; 212 --; 7.2.5; Estimated Limiting Storms; 224 --; 7.3; Evaporation; 227 --; 7.3.1; Energy Balance Method; 228 --; 7.3.2; Aerodynamic Method; 231 --; 7.3.3; Combined Method; 232 --; 7.4; Infiltration; 233 --; 7.4.1; Unsaturated Flow; 233 --; 7.4.2; Green-Ampt Method; 237 --; 7.4.3; Other Infiltration Methods; 243 --; Chapter 8; Surface Runoff; 247 --; 8.1; Drainage Basins; 247 --; 8.2; Hydrologic Losses and Rainfall Excess; 251 --; 8.3; Rainfall-Runoff Analysis Using Unit Hydrograph Approach; 253 --; 8.4; Synthetic Unit Hydrographs; 256 --; 8.5; S-Hydrographs; 259 --; 8.6; SCS Rainfall-Runoff Relation; 262 --; 8.7; Curve Number Estimation and Abstractions; 263 --; 8.7.1; Antecedent Moisture Conditions; 263 --; 8.7.2; Soil Group Classification; 264 --; 8.7.3; Curve Numbers; 267 --; 8.8; SCS Unit Hydrograph Procedure; 270 --; 8.8.1; Time of Concentration; 271 --; 8.8.2; Time to Peak; 273 --; 8.8.3; Peak Discharge; 273 --; 8.9; Kinematic-Wave Overland Flow Runoff Model; 274 --; 8.10; Computer Models for Rainfall-Runoff Analysis; 280 --; Chapter 9; Reservoir and Stream Flow Routing; 283 --; 9.1; Routing; 283 --; 9.2; Hydrologic Reservoir Routing; 284 --; 9.3; Hydrologic River Routing; 288 --; 9.4; Hydraulic (Distributed) Routing; 292 --; 9.4.1; Unsteady Flow Equations: Continuity Equation; 293 --; 9.4.2; Momentum Equation; 295 --; 9.5; Kinematic Wave Model for Channels; 298 --; 9.5.1; Kinematic Wave Equations; 298 --; 9.5.2; U.S. Army Corps of Engineers HEC-1 Kinematic Wave Model for Overland Flow and Channel Routing; 300 --; 9.5.3; KINEROS Channel Flow Routing Model; 302 --; 9.5.4; Kinematic Wave Celerity; 302 --; 9.6; Muskingum-Cunge Model; 303 --; 9.7; Implicit Dynamic Wave Model; 304 --; Chapter 10; Probability, Risk, and Uncertainty Analysis for Hydrologic and Hydraulic Design; 309 --; 10.1; Probability Concepts; 309 --; 10.2; Commonly Used Probability Distributions; 312 --; 10.2.1; Normal Distribution; 312 --; 10.2.2; Log-Normal Distribution; 312 --; 10.3; Hydrologic Design for Water Excess Management; 315 --; 10.3.1; Hydrologic Design Scale; 315 --; 10.3.2; Hydrologic Design Level (Return Period); 317 --; 10.3.3; Hydrologic Risk; 317 --; 10.3.4; Hydrologic Data Series; 318 --; 10.4; Hydrologic Frequency Analysis; 320 --; 10.5; U.S. Water Resources Council Guidelines for Flood Flow Frequency Analysis; 326 --; 10.5.1; Procedure; 326 --; 10.5.2; Testing for Outliers; 328 --; 10.6; Analysis of Uncertainties; 330 --; 10.7; Risk Analysis: Composite Hydrologic and Hydraulic Risk; 334 --; 10.7.1; Reliability Computation by Direct Integration; 335 --; 10.7.2; Reliability Computation Using Safety Margin/Safety Factor; 337 --; 10.8; Computer Models for Floodflow Frequency Analysis; 340 --; Chapter 11; Water Withdrawals and Uses; 343 --; 11.1; Water-Use Data--Classification of Uses; 343 --; 11.2; Water for Energy Production; 348 --; 11.3; Water for Agriculture; 356 --; 11.3.1; Irrigation Trends and Needs; 356 --; 11.3.2; Irrigation Infrastructure; 357 --; 11.3.3; Irrigation System Selection and Performance; 365 --; 11.3.4; Water Requirements for Irrigation; 368 --; 11.3.5; Impacts of Irrigation; 370 --; 11.4; Water Supply/Withdrawals; 372 --; 11.4.1; Withdrawals; 372 --; 11.4.2; Examples of Regional Water Supply Systems; 378 --; 11.5; Water Demand and Price Elasticity; 383 --; 11.5.1; Price Elasticity of Water Demand; 383 --; 11.5.2; Demand Models; 385 --; 11.6; Drought Management; 386 --; 11.6.1; Drought Management Options; 386 --; 11.6.2; Drought Severity; 388 --; 11.6.3; Economic Aspects of Water Shortage; 390 --; 11.7; Analysis of Surface Water Supply; 394 --; 11.7.1; Surface-Water Reservoir Systems; 394 --; 11.7.2; Storage--Firm Yield Analysis for Water Supply; 394 --; 11.7.3; Reservoir Simulation; 403 --; Chapter 12; Water Distribution; 409 --; 12.1.1; Description, Purpose, and Components of Water Distribution Systems; 409 --; 12.1.2; Pipe Flow Equations; 419 --; 12.2; System Components; 421 --; 12.2.1; Pumps; 421 --; 12.2.2; Pipes and Fittings; 433 --d; 12.2.3; Valves; 436 --; 12.3; System Configuration and Operation; 438 --; 12.4; Hydraulics of Simple Networks; 440 --; 12.4.1; Series and Parallel Pipe Flow; 440 --; 12.4.2; Branching Pipe Flow; 443 --; 12.5; Pump Systems Analysis; 444 --; 12.5.1; System Head Curves; 444 --; 12.5.2; Pump Operating Point; 447 --; 12.5.3; System Design for Water Pumping; 449 --; 12.6; Network Simulation; 459 --; 12.6.1; Conservation Laws; 459 --; 12.6.2; Network Equations; 460 --; 12.6.3; Network Simulation: Hardy-Cross Method; 461 --; 12.6.4; Network Simulation: Linear Theory Method; 467 --; 12.6.5; Extended-Period Simulation; 468 --; 12.7; Modeling Water Distribution Systems; 469 --; 12.7.1; Computer Models; 469 --; 12.7.2; Calibration; 469 --; 12.7.3; Application of Models; 470 --; 12.7.4; Water Quality Modeling; 470 --; 12.8; Hydraulic Transients; 472 --; 12.8.1; Hydraulic Transients in Distribution Systems; 472 --; 12.8.2; Fundamentals of Hydraulic Transients; 472 --; 12.8.3; Control of Hydraulic Transients; 482 --; Chapter 13; Water for Hydroelectric Generation; 491 --; 13.1; Role of Hydropower; 491 --; 13.2; Components of Hydroelectric Plants; 497 --; 13.2.1; Elements of Generate Electricity; 497 --; 13.2.2; Hydraulics of Turbines; 504 --; 13.2.3; Power System Terms and Definitions; 506 --; 13.3; Determining Energy Potential; 507 --; 13.3.1; Hydrologic Data; 507 --; 13.3.2; Water Power Equations; 508 --; 13.3.3; Turbine Characteristics and Selection; 510 --; 13.3.4; Flow Duration Method; 513 --; 13.3.5; Sequential Streamflow-Routing Method; 519 --; 13.3.6; Power Rule Curve; 520 --; 13.3.7; Multipurpose Storage Operation; 521 --; Chapter 14; Flood Control; 523 --; 14.2; Floodplain Management; 527 --; 14.2.1; Floodplain Definition; 527 --; 14.2.2; Hydrologic and Hydraulic Analysis of Floods; 527 --; 14.2.3; Floodways and Floodway Fringes; 530 --; 14.2.4; Floodplain Management and Floodplain Regulations; 531 --; 14.2.5; National Flood Insurance Program; 532. || Hydraulic engineering. Hydrology. Technologie hydraulique. Hydrologie. Hydraulic engineering. Hydrology. Wasserreserve. Ingenieurwissenschaften. Hydrologie. Technologie hydraulique. Hydraulik. Hydrologie. Wasserreserve. Wasserverteilung.
8 figures, 4 b/w plates, numerous tables, mild sunning to spine, light creasing to bottom corner of back cover, text clean and tight Used