Hydroponic and aquaponic systems
List hydroponic and aquaponic systems
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Blagdon pond oxygenator outlet air pump for ponds up to litre (koi ponds up to litre), suitable for aeration and oxygenation in hydroponic and aquaponic systemssuitable for fish ponds up to litre and koi ponds up to litre
195 €
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8 m, suitable for aeration and oxygenation in hydroponic and aquaponic systemsblagdon outdoor water feature pump , maximum pumping height 1
63 €
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8 m, suitable for aeration and oxygenation in hydroponic and aquaponic systemsblagdon outdoor water feature pump , maximum pumping height 1the compact powerful motors are easy to maintain with a single moving part impeller system
71 €
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So finding the perfect balance of size, thermal performance and noise on itx and htpc systems has never been easy, until nowwe know that cooler choice has long been a headache for itx and htpc system builders
19 €
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Oxfam bookshop wallingford with extraordinary clarity,the systems biology: principles, methods, and concepts focuses on the technical practical aspects of modeling complex or organic general systemsit also provides in-depth coverage of modeling biochemical, thermodynamic, engineering, and ecological systemsamong other methods and concepts based in logic, computer science, and dynamical systems, it explores pragmatic techniques of general systems theorya complete resource for anyone interested in biology as an exact science, it includes a comprehensive survey, review, and critique of concepts and methods in systems biologysee oxfam website for delivery information read morethis text presents biology as an autonomous science from the perspective of fundamental modeling techniques
29 €
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Kendall and kendalls systems analysis and design, 8e, is a human-centred book that concisely presents the latest systems development methods, tools, and techniques to students in an engaging and easy-to-understand manneroxfam shop kendal paperback in vgcsee oxfam website for delivery information read more
8 €
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Basic concepts of astronomy, stellar structure and atmospheres, single star evolution, binary systems and mass transfer, compact objects, and dynamical systems are covered in the textreaders will understand the astrophysics behind the populations of compact object binary systems and have sufficient background to delve deeper into specific areas of interestsee oxfam website for delivery information read moreoxfam bookshop henley-on-thames almost as newin addition, derivations of important concepts and worked examples are includedalthough a general treatment of stellar structure and evolution is included, the text stresses the physical processes that lead to stellar mass compact object binaries that may be sources of observable gravitational radiationan introduction to the evolution of single and binary stars provides physicists with an understanding of binary and single star evolution, beginning with a background and introduction of basic astronomical conceptsxii, 262 pages, including indexno previous knowledge of astronomy is assumed, although a familiarity with undergraduate quantum mechanics, classical mechanics, and thermodynamics is beneficial
30 €
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200 individual post and wire systems individually baggedsimply drill hole fix plug into hole and fit post systems into plugbrand new never used ideal for pigeon proofing jobsinstallation time reduced to being already made up
120 €
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Individual post and wire systems individually baggedsimply drill hole fix plug into hole and fit post systems into plugbrand new never used ideal for pigeon proofing jobsinstallation time reduced to being already made up
2 €
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Beautiful vivexotic 4ft plus vivarium comes with dimable temperature controlled heating and uvb lighting systems, large food and water dishes, bedding pack and sceneryl 57", h 25", d 20"cash on collection only please read more
185 €
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Programmer required to develop cad drawings and change to 3d for loading into 3d printerspayment can be agreed per hour or per product
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Space single fitted sheet and pillowcase set features a collection of planets and solar systems on a dark blue background machine washable tumble drier safe (low setting)
9 €
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Jakks pacific plug and play systemsms pac man - been used a few times, plays perfectlycontents brand newnamco pac man and ms pac manpac man - some sun fading to box and a little worn
14 €
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If you have any pond equipment please contact me in need of uv units filter boxes and pumps read more
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See oxfam website for delivery information read moreoxfam bookshop hexham this textbook provides a concise introduction for students with little or no legal background, to the role of law in environmental protectionin good condition, some slight rubbing to the cornersit describes and explains law and legal systems, the concept of the environment, sources of environmental law and some of the techniques used in environmental lawenvironment and law offers a greater understanding of international and national environmental law and has case-studies from all over the world, including examples from uk, us and australian lawinterdisciplinary in approach, the book explores some of the major connections between law and the disciplines of ethics, science, economics and politics
13 €
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Create an attractive focal point in your pond with an aqua craft premium l/h eco pump with synchronous motor to be used wet or dry installation for fountains, waterfalls, streams and filter systems
300 €
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The west continued to be alarmed by the prospect of defeat right up to the soviet empire's last breathfor more than forty years, as this detailed analysis makes clear, the outcome of the cold war was in doubtas the united states became the national security state, california, which had a population of five million at the start of the cold war, grew to thirty million and, by the s provided one in every ten members of congress and two presidentssee oxfam website for delivery information read morewe also come to understand how the arms race caused new alignments and shifts in domestic powerusing newly opened kremlin archives and his own experiences in the field, martin walker has written a brilliant analysis of the conflict that has shaped the contemporary worldfrom the origins of the marshall plan, which revived europe after world war ii, and the strategic decision to rebuild a defeated japan into a bulwark against china to the collapse of the berlin wall, this authoritative work reveals how the west was built into an economic alliance that overpowered the soviet economy while also unleashing global economic forces that today challenge the traditional nation-statenow that it is over, it is crucial to our future to understand how the cold war has shaped us and, especially, to recognize it as the economic and political dynamic that determined the structure of today's global economyoxfam bookshop cheltenham "the history of the cold war has been the history of the world since"walker reminds us how easy it is to forget that there were many occasions for the late s on when victory seemed far from assured, and that lent a particular urgency to the efforts of postwar western leadersat the end of the s the fear was generated by communist expansion into eastern europe and china; in the s by the prospect of defeat in vietnamin the s the failure of détente and the west's economic crisis brought a new generation of dedicated anti-communists to prominence" so begins this wide-ranging narrative by award-winning political commentator martin walker, which is the first major study of the cold warthe cold war was more of a global conflict than was either of this century's two major wars; far more than a confrontation between states or even empires, it was, as martin walker puts it, "a total war between economic and social systems, an industrial test to destruction
5 €
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See oxfam website for delivery information read moreoxfam bookshop hove good condition, spine faded and slight cover wear
14 €
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Complete coverage for your honda cbr600f4 fours from to : --routine maintenance and servicing --tune-up procedures --engine, clutch and transmission repair --cooling system --fuel and exhaust --ignition and electrical systems --brakes, wheels and tires --steering, suspension and final drive --frame and bodywork --wiring diagrams --reference section with a haynes manual, you can do it yourself from simple maintenance to basic repairshaynes writes every book based on a complete teardown of the vehicleour books have clear instructions and hundreds of photographs that show each stepwhether you're a beginner or a pro, you can save big with haynes! step-by-step procedures --easy-to-follow photos --complete troubleshooting section --valuable short cuts --color spark plug diagnosis see oxfam website for delivery information read morewe learn the best ways to do a job and that makes it quicker, easier and cheaper for you
(England)
15 €
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Double-sided forward, backward, turn left and right, on land and water! four-wheel heavy-duty friction and three-axis systems let you enjoy your imaginationdelicate stunt cars-tumble, rotate and flip 360 degreesrc stunt car suitable for children and adults 4wd suv 2
24 €
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Hoods 3 x quality air cooled reflectors 250w/400w/600ww by maxibrite (price new £ each) ballasts 2 x unique air 400w h range ballast for maxibrite (price new £ each) 1 x century grow systems 400w (price new £ each) digital ballasts 1 x maxibrite daylight 400w (price new £ x century grow systems dimmable 300w - 650w (price new £ x dimmable ballast 250w - 600w (price new £ x maxiswitch 10a 2 way relay by maxibright (price new £) if you have any questions let me know read morehello i'm looking to sell all the items belowthese are still in great condition, i am only selling because we have upgradedi can quote for an overnight or if you're local we might be able to drop off
200 €
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Full aquaponic setup, includes 1 full ibc, 2 half ibc (only shows one in pics), swirl filter and pond pump and filter and fish and pond plants in tubs that all run through the same systemnot grown anything this year so will need fresh media/gravel but can also be used as a quarenteen set up for fish
60 €
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Apply in water sources, aquarium, hydroponics, laboratory and scientific testing, spas, swimming pools and other water systemsthe water quality monitor is professional and useful tool for testing ph/ec/temp of solution leveluser-friendly designit looks like a pen, and the portable size is great for carrying
23 €
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Century grow systems corona metal 400w ballast 2x maxibright euro reflector 600w powerstar 1 light (1kw) contactor switch mains electrical time-switch 4 pot wilma hydroponics dripper system complete (unused)
90 €
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I also have 125mm (5") ducting, reducers and fans availablecomplete with 8" flex ducting£30 call derek on , pickup from burntislandinlet size =20cm (8")silencer for ventilation systems, used to reduce fan noisemeasures 30cm (12") diameter and 70cm (27") longcall for details if interested
30 €
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2 hydroponic lights, including energy saving bulbmulti socket with timers, hydroponic tent with support poles, wattage adapter, x4 5liter plant potsthis tent will fit 6 plants but would recommend 4 for greater yieldthe tent brand new was £, the adjusta-watt digital ballast was £ brand new(wattage can be adjusted from 250w, 400w, to 600w)overall this equipment cost just under £im open to sensible offers for the lot
500 €
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It combines coverage of distributed operating systems and distributed algorithms, allowing instructors to cover the algorithms involved in distributed operating systems with optional depth as desired and motivate the study of distributed algorithms by showing how they are applied in operating systemsoxfam books & music lichfield this book integrates the theory and practice of distributed operating systems and algorithmsthis text includes coverage of parallel systems, distributed systems, real-time systems, computer networks and algorithms for asynchronous distributed systems, and uses examples from many commercial and experimental operating systemssee oxfam website for delivery information read morecurrently all books treat these as separate topicsincluded in the book are a number of programming projects
8 €
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Wetland systems is a useful reference for the design and operation of wetland systems by engineers and scientists working for the water industry, non-governmental organisations, local authorities and governmental bodiesit provides a descriptive overview of complex black box' treatment systems and the general design issues involvedoxfam shop chippenham wetland systems covers broad water and environmental engineering aspects relevant for the drainage and treatment of storm water and wastewaterstandard and novel design recommendations for predominantly constructed wetlands and related sustainable drainage systems are given to take into account the interests of professional engineers and environmental scientistswetland systems deals comprehensively with not only the design, operation, maintenance and water quality monitoring of traditional and novel wetland systems, but also covers: analysis of asset performance modelling of treatment processes performances of existing infrastructure sustainability and economic issues solutions to pressing water quality problems associated with constructed treatment wetlands, integrated constructed wetlands, farm constructed wetlands and storm water ponds, and other sustainable biological filtration and treatment technologies linked to public health engineering are explainedsee oxfam website for delivery information read morethe research projects discussed are multi-disciplinary, holistic, experimental and modelling-orientatedcase study topics are diverse: natural wetlands and constructed treatment wetlands; sustainable water management; and specific applications, such as wetlands treating hydrocarbonsit is also a valuable text for undergraduate and postgraduate students, lecturers and researchers in civil and environmental engineering fields
39 €
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hydroponic grow light set 600w £ watt sunmaster grow light set used per set comes with 600watt ballast 600watt light shade 600watt bulb ready to go i've got 52 complete sets available at only £30 a set is a bargain hurry before they go
30 €
