pump definition scientific

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  • Pump | Definition of Pump at Dictionary.com

    Pump definition, an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes. See more.

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  • Pump Meaning | Best 67 Definitions of Pump

    The definition of a pump is a device that forces gas or liquid into something, or pulls gas or liquid out of something. An example of a pump is what you would use to fill an air mattress. An example ofa pump is the machine used to milk a cow.

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  • Centrifugal Pumps - an overview | ScienceDirect Topics

    The definition of “minimum flow” is pump specific. Some of the factors that affect the minimum flow are fluid density, NPSH A, impeller design suction specific speed, casing volute design, piping and control systems designs. Sundyne vertical in-line pumps are designed …

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  • Urban Dictionary: pumps

    2020-12-20 · pump. A slang term commonly used amongst Bodybuilders to refer to the feeling in which blood is 'pumped' into the muscle for support during overload causing it to expand in size and becoming tight, thus being 'pumped' up.

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  • Sodium Potassium Pump: Definition, Function &

    a pump that ejects fluid under pressure Compare lift pump Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins …

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  • Force pump | Definition of Force pump at

    Publish with Scientific Reports. We're an open-access journal publishing rigorously peer-reviewed research from across the natural sciences, medicine and engineering.

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  • Barometer Definition and Function (Science)

    n. 1. a bicycle with two sets of pedals and two saddles, arranged one behind the other for two riders. 2. a two-wheeled carriage drawn by two horses harnessed one behind the other. 3. (Horse Training, Riding & Manège) a team of two horses so harnessed.

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  • Sodium Pump | Definition of Sodium Pump by

    Sodium pump definition is - a molecular mechanism by which sodium ions are transferred across a cell membrane by active transport; especially : one that is controlled by a specialized plasma membrane protein by which a high concentration of potassium ions and a low concentration of sodium ions are maintained within a cell.

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  • Multistage pump | KSB

    Multistage pumps are defined as pumps in which the fluid flows through several impellers fitted in series.. The head of a single-stage centrifugal pump is largely governed by the type of impeller and the circumferential speed.If the rotational speed cannot be increased due to other operating conditions and a larger impeller diameter would lead to very low specific speeds resulting in ...

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  • Force Pump | Definition of Force Pump by Merriam

    Force pump definition is - a pump with a solid piston for drawing and forcing through valves a liquid (such as water) to a considerable height above the pump or under a considerable pressure.

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  • Air pump definition and meaning | Collins English

    Air pump definition: a device for pumping air in or out of something | Meaning, pronunciation, translations and examples

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  • Laboratory Vacuum Pump Buyers’ Guide |

    2012-7-12 · By definition, it is the point at which the flow rate falls to zero, that is, at which the pump can no longer move vapors. Since, for evaporative applications, an essential aspect of vacuum pump performance is to move vapors away from an application, you should allow some cushion between the actual vacuum you need to achieve and the ...

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  • Biological Pump :: Ocean Carbon & Biogeochemistry

    Marine organisms play a critical role in the global carbon cycle via the biological carbon pump. In the well-lit surface ocean, primary producers use sunlight for energy and dissolved inorganic nutrients to transform dissolved CO 2 into organic carbon. As this organic carbon passes through consumers (e.g., zooplankton, bacteria) in the upper ocean, most of it is converted back to CO 2 via food ...

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  • Opinion of the Scientific Committee on Consumer Safety

    2017-2-13 · Scientific Committee on Consumer Safety SCCS OPINION ... for which there is the definition contained in Directive 75/324: 'non- ... spray bottles containing a pump that draws a liquid up from the bottom and forces it through a nozzle generating a stream or a mist.

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  • PDB-101: Molecule of the Month: Sodium-Potassium

    A traditional cure for heart failure works by blocking the sodium-potassium pump. Plant toxins like digitalis and ouabain (PDB entry 3a3y ) and similar toxins from poisonous toads, collectively known as cardiotonic steroids, can be used in small doses to slow the pumping of ions.As the level of sodium ions builds up inside the cell, this slows the sodium-calcium exchanger, leading to a build ...

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  • Scientific Reports

    Scientific Reports is an online multidisciplinary, open access journal from the publishers of Nature.

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  • Vacuum - Wikipedia

    2021-5-9 · A vacuum is space devoid of matter.The word stems from the Latin adjective vacuus for 'vacant' or 'void'.An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure. Physicists often discuss ideal test results that would occur in a perfect vacuum, which they sometimes simply call 'vacuum' or free space, and use the term partial vacuum to refer to …

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  • Sodium Pump | Definition of Sodium Pump by

    Sodium pump definition is - a molecular mechanism by which sodium ions are transferred across a cell membrane by active transport; especially : one that is controlled by a specialized plasma membrane protein by which a high concentration of potassium ions and a low concentration of sodium ions are maintained within a cell.

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  • How do pumps and air compressors work? - Explain

    2020-5-14 · How to move solids, liquids, and gases. Artwork: How did people move liquids before pumps were invented? One option was to use a water-lifting crane with a built-in counterweight, known as a shaduf, which dates from around 2000 BCE.Another method was the screw pump, invented by Archimedes in ancient Greece c.250BCE, which uses the spiral thread of a slowly turning screw to …

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  • Multistage pump | KSB

    Multistage pumps are defined as pumps in which the fluid flows through several impellers fitted in series.. The head of a single-stage centrifugal pump is largely governed by the type of impeller and the circumferential speed.If the rotational speed cannot be increased due to other operating conditions and a larger impeller diameter would lead to very low specific speeds resulting in ...

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  • Pressure Definition and Examples (Science)

    2019-5-7 · Pressure is defined as a measure of the force applied over a unit area. Pressure is often expressed in units of Pascals (Pa), newtons per square meter (N/m 2 or kg/m·s 2), or pounds per square inch.Other units include the atmosphere (atm), torr, bar, and meters sea water (msw).

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  • Pump Power Calculator - Engineering ToolBox

    2021-5-7 · Hydraulic Pump Power. The ideal hydraulic power to drive a pump depends on. the mass flow rate the; liquid density; the differential height - either it is the static lift from one height to an other or the total head loss component of the system - and can be calculated like. P h(kW) = q ρ g h (3.6 10 6) = q p (3.6 10 6) (1) where

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  • SCIENTIFIC COMMITTEE ON CONSUMER SAFETY (SCCS)

    2017-2-13 · SCIENTIFIC COMMITTEE ON CONSUMER SAFETY (SCCS) Subject: Request for clarification on the meaning of the term 'sprayable applications' for the nano forms of Carbon Black CI 77266, Titanium Oxide and Zinc Oxide 1. Background At the last Standing Committee and Working Party on Cosmetic Products of the 26th of June, the Commission has presented legislative proposals for the …

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  • Biology and the Scientific Method

    2010-9-27 · Definition 1. Biology is the study of living things. This is a general definition but is not really good enough for someone studying biology. Definition 2. Biology is the scientific study of living things. This definition is better because it uses the terms 'scientific'. You will study the meaning of scientific later on in this chapter.

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  • Thomas Scientific - Lab Supplies, Lab Equipment, Lab ...

    Since 1900, Thomas Scientific has been providing the latest in laboratory supplies, laboratory equipment, laboratory instruments, laboratory chemicals and laboratory safety to the science community...

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  • INDUSTRIAL SCIENTIFIC VENTIS MX4 PRODUCT

    Industrial Scientific calibration gas(es), to prepare the monitor for first time use, and monthly (at a minimum) thereafter, to help ensure monitor accuracy. Industrial Scientific also recommends that each monitor be zeroed and bump tested before each use with a known certified concentration(s) of Industrial Scientific calibration gas(es).

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  • High-Value Life Science and Material Research and ...

    2021-5-14 · Bruker's differentiated high-value life science research and diagnostics solutions enable scientists to make breakthrough discoveries and develop new applications that improve the quality of human life. Bruker’s high-performance scientific instruments and high-value analytical and diagnostic solutions enable scientists to explore life and materials at molecular, cellular and microscopic levels.

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  • Syringe pump | definition of Syringe pump by Medical ...

    infusion pump A device designed to deliver drugs and/or 'biologicals', at low doses and at a constant or controllable rate; rates of delivery in such devices may be associated with local hemolysis, compromising the potential benefits of a calibrated delivery system.

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  • Pump Affinity Laws - Engineering ToolBox

    2021-5-7 · The Affinity Laws of centrifugal pumps or fans indicates the influence on volume capacity, head (pressure) and/or power consumption of a pump or fan due to. change in speed of wheel - revolutions per minute (rpm); geometrically similarity - change in impeller diameter; Note that there are two sets of affinity laws:. affinity laws for a specific centrifugal pump - to approximate head, capacity ...

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  • What to Know When Buying or Using a Breast Pump |

    2021-5-10 · The pump may be attached to the breast-shield or have plastic tubing to connect the pump to the breast shield. Breast pumps include a breast shield that fits over the nipple, a pump that creates a ...

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  • vacuum | Definition & Facts | Britannica

    Vacuum, space in which there is no matter or in which the pressure is so low that any particles in the space do not affect any processes being carried on there. It is a condition well below normal atmospheric pressure and is measured in units of pressure (the pascal).

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  • Barometer Definition and Function (Science)

    2018-1-5 · This is the definition of barometer, a description of different types of barometers, and an explanation of how the instruments work. ... A barometer is a scientific instrument that measures atmospheric pressure. AdStock/Universal Images Group Getty Images ... vacuum pump oil barometers - liquid barometer that uses vacuum pump oil, which has ...

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  • Quality Products for Chemistry & Life Science

    2017-1-1 · Find Tools for COVID-19 Testing and Research here COVID-19 Update Quality Products for Chemistry and Life Science BrandTech® specializes in providing labs throughout the US and Canada with convenient, reliable tools to help researchers get their work done efficiently, comfortably, and …

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  • HOW TO (AND NOT TO) SIZE A JOCKEY PUMP

    2015-3-17 · Sizing a jockey pump for these is more of a SWAG (Scientific Wild A** Guess) engineering problem than exact science. While 1 GPM per facility tied to the main 'may' cover each building, the ...

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  • What Is Electricity? - Definition & Concept - Video ...

    2020-1-7 · The Ben Franklin Experiment. Probably the most famous experiment involving electricity, at least in the minds of American school children, is when Benjamin Franklin tied a key to the end of a kite ...

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  • Definition of Diabetes, type 1 - MedicineNet

    2017-1-25 · Medical Definition of Diabetes, type 1 Medical Author: William C. Shiel Jr., MD, FACP, FACR Diabetes , type 1: An autoimmune disease that occurs when T cells attack and destroy most of the beta cells in the pancreas that are needed to produce insulin , …

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  • Pipette Pump at Thomas Scientific

    …items: timer, two block dri-bath 110V, 12.75mm dri-block insert, vortex 110V, 13mm test tube rack, 10-100µL pipette PDP, vacuum pump assembly 110V, acrylic base, 100-1000µL pipette PDP, 15mm dri-block insert, 20mm test tube rack, SafTest analyzer, O-ring for vacuum pump assembly.

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  • What to Know When Buying or Using a Breast Pump |

    2021-5-10 · The pump may be attached to the breast-shield or have plastic tubing to connect the pump to the breast shield. Breast pumps include a breast shield that fits over the nipple, a pump that creates a ...

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  • The ocean’s ‘biological pump’ captures more carbon

    2020-4-6 · Key Takeaways. Using photosynthesis, phytoplankton floating on the ocean’s surface absorb carbon dioxide from the atmosphere. The depth of this sunlit layer affects the efficiency of the ocean’s “biological carbon pump” or ability to take up carbon.; By measuring the depth of the ocean’s sunlit surface area, or “euphotic zone”, scientists found that the “biological carbon pump ...

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  • Pump Affinity Laws - Engineering ToolBox

    2021-5-7 · The Affinity Laws of centrifugal pumps or fans indicates the influence on volume capacity, head (pressure) and/or power consumption of a pump or fan due to. change in speed of wheel - revolutions per minute (rpm); geometrically similarity - change in impeller diameter; Note that there are two sets of affinity laws:. affinity laws for a specific centrifugal pump - to approximate head, capacity ...

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  • Science | AAAS

    2021-4-28 · ‘Hybrid’ scientific conferences aim to offer the best of in-person and virtual meetings. By Katie Langin May. 12, 2021. How my cancer diagnosis transformed my approach to teaching.

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  • vacuum | Definition & Facts | Britannica

    Vacuum, space in which there is no matter or in which the pressure is so low that any particles in the space do not affect any processes being carried on there. It is a condition well below normal atmospheric pressure and is measured in units of pressure (the pascal).

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  • Scientific Revolution - Wikipedia

    2021-5-11 · The Scientific Revolution was a series of events that marked the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy) and chemistry transformed the views of society about nature. The Scientific Revolution took place in Europe towards the end of the Renaissance period and continued through …

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  • Na+ | definition of Na+ by Medical dictionary

    storage lesion Transfusion medicine The constellation of changes occurring in a unit of packed red cells during storage. See Red cell preservatives. Storage lesions Ammonium to 470 µmol/L–US: 800 µg/dL Free Hb in plasma from 82 to 6580 mg/L–US: 8.2 to 658 mg/dL K+ from 4.2 to 78.5 mmol/L–US: 4.2 to 78.5 mEq/L ATP from 100% to 45% ...

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  • What Is Electricity? - Definition & Concept - Video ...

    2020-1-7 · The Ben Franklin Experiment. Probably the most famous experiment involving electricity, at least in the minds of American school children, is when Benjamin Franklin tied a key to the end of a kite ...

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  • Definition of Heart failure - MedicineNet

    2017-1-25 · Heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure of the heart to pump blood with normal efficiency. When this occurs, the heart is unable to provide adequate blood flow to other organs such as the brain, liver and kidneys. Heart failure may be due to failure of the right or left or both ventricles.

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  • Hydraulic Terms - SWTC

    2017-8-25 · Pump - A device which converts mechanical force into hydraulic fluid power. Basic design types are gear, vane, and piston units. Basic design types are gear, vane, and piston units. Fixed Displacement Pump - A pump in which the output per cycle cannot be varied.

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  • Electric pump | Article about Electric pump by The

    pump, device to lift, transfer, or increase the pressure of a fluid (gas or liquid) or to create a vacuum in an enclosed space by the removal of a gas (see vacuum pumps under vacu

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  • Syringe pump | definition of Syringe pump by Medical ...

    infusion pump A device designed to deliver drugs and/or 'biologicals', at low doses and at a constant or controllable rate; rates of delivery in such devices may be associated with local hemolysis, compromising the potential benefits of a calibrated delivery system.

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  • Blood pump - definition of blood pump by The Free

    Define blood pump. blood pump synonyms, blood pump pronunciation, blood pump translation, English dictionary definition of blood pump. pump1 top: jet pump bottom: centrifugal pump n. 1. A machine or device for raising, compressing, or transferring fluids.

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  • Glossary of scientific terms - What is Life HOME

    2014-4-18 · The scientific definition of a calorie is the amount of energy needed to raise the temperature of 1 gram of water by one degree Celsius from 15° to 16° at atmospheric pressure. This is the true calorie, sometimes referred to as a 'small calorie'. ... facilitator or pump …

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  • How the Muscle Pump Helps to Build Size and

    2019-6-10 · Your move: You can optimize your pump by performing 2 to 3 sets of 15 to 20 reps of your preferred isolation movement (like biceps curls) with 60 seconds of …

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  • Elemental Scientific - Improve ICPMS lab results with ...

    Elemental Scientific. 7277 World Communications Drive Omaha, NE 68122 United States of America Telephone: 1.402.991.7800. Elemental Scientific Lasers, LLC. 2304 N 7th Ave, Suite P Bozeman, MT 59715 United States of America Telephone: +1.406.586.3159. Meinhard/Elemental Scientific Glassblowing. 700 Corporate Circle L Golden, CO 80401 United ...

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  • Analytical Instrumentation | Shimadzu Scientific

    2021-3-19 · Shimadzu provides a broad range of analytical instruments indispensable for research, development, and quality control in a variety of fields. Our high-level, sophisticated instruments include chromatographs, spectrometers, and elemental and surface analysis systems. We also provide a broad range of high-precision physical testing and measuring technology.

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  • Scientific Revolution - Wikipedia

    2021-5-11 · The Scientific Revolution was a series of events that marked the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy) and chemistry transformed the views of society about nature. The Scientific Revolution took place in Europe towards the end of the Renaissance period and continued through …

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  • Startseite | Boston Scientific

    2021-5-14 · Boston Scientific widmet sich der Transformation von Leben durch innovative medizinische Lösungen, die die Gesundheit der Patienten auf der ganzen Welt verbessert. ©2021 Boston Scientific Corporation oder ihre Tochtergesellschaften. Alle Rechte vorbehalten. SH-447609-AA JAN2017, CRM-463601-AA MAR2017

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