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Journal articles on the topic 'Pumping'

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1

Ageev, Aleksandr I. "Pumping Energy." Economic Strategies 144, no. 5 (October 20, 2021): 5. http://dx.doi.org/10.33917/es-5.179.2021.5.

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2

Tamaishi, R. "Pumping Improver." Concrete Journal 57, no. 1 (2019): 29–31. http://dx.doi.org/10.3151/coj.57.1_29.

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3

Egelman, Edward H. "Pumping DNA." Nature 409, no. 6820 (February 2001): 573–75. http://dx.doi.org/10.1038/35054652.

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4

Ball, Philip. "Pumping muscles." Nature Materials 16, no. 10 (October 2017): 974. http://dx.doi.org/10.1038/nmat5001.

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5

Miura, Grant. "Pumping iron." Nature Chemical Biology 13, no. 7 (June 20, 2017): 693. http://dx.doi.org/10.1038/nchembio.2423.

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6

Sinha, Gunjan. "Pumping Coal." Scientific American 294, no. 5 (May 2006): 20–22. http://dx.doi.org/10.1038/scientificamerican0506-20.

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7

Goldemberg, José. "Pumping Renewables." Nature 456, S1 (October 2008): 26–27. http://dx.doi.org/10.1038/twas08.26a.

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8

Weiss, Peter. "Pumping Carbon." Science News 165, no. 5 (January 31, 2004): 69. http://dx.doi.org/10.2307/4014994.

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9

Clarke, Ronald J., and Xiaochen Fan. "Pumping ions." Clinical and Experimental Pharmacology and Physiology 38, no. 11 (October 20, 2011): 726–33. http://dx.doi.org/10.1111/j.1440-1681.2011.05590.x.

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10

Gerdes, Kenn, and Szabolcs Semsey. "Pumping persisters." Nature 534, no. 7605 (May 25, 2016): 41–42. http://dx.doi.org/10.1038/nature18442.

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11

Carafoli, E. "Pumping Ions." Science 262, no. 5138 (November 26, 1993): 1461. http://dx.doi.org/10.1126/science.262.5138.1461-a.

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12

Kaplan, Gilaad G. "Pumping Iron." Inflammatory Bowel Diseases 23, no. 7 (July 2017): 1096–97. http://dx.doi.org/10.1097/mib.0000000000001164.

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13

Tytell, E. "PUMPING MUCUS." Journal of Experimental Biology 211, no. 21 (November 1, 2008): iv—v. http://dx.doi.org/10.1242/jeb.011486.

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14

Orchard, Bryan. "Precision pumping." World Pumps 2004, no. 449 (February 2004): 34–37. http://dx.doi.org/10.1016/s0262-1762(04)00106-3.

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15

Kendrew, Steve. "Pumping ion." Trends in Biochemical Sciences 25, no. 8 (August 2000): 365. http://dx.doi.org/10.1016/s0968-0004(00)01636-4.

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16

Purvis, Mark. "Pumping history." World Pumps 1996, no. 362 (November 1996): 3. http://dx.doi.org/10.1016/s0262-1762(99)81192-4.

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17

Assinder, Ivar. "Pumping heat." New Scientist 201, no. 2695 (February 2009): 27. http://dx.doi.org/10.1016/s0262-4079(09)60445-0.

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18

Weston, GF. "Pumping systems." Vacuum 35, no. 10-11 (October 1985): 493–97. http://dx.doi.org/10.1016/0042-207x(85)90371-9.

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19

Klein, Alan M. "Pumping iron." Society 22, no. 6 (September 1985): 68–75. http://dx.doi.org/10.1007/bf02695844.

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20

Sambrook, Joseph F. "Pumping peptides." Current Biology 1, no. 1 (February 1991): 57–58. http://dx.doi.org/10.1016/0960-9822(91)90130-o.

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21

Hillman, Harold. "Abdominal Pumping." Academic Emergency Medicine 1, no. 5 (September 29, 2008): 478–81. http://dx.doi.org/10.1111/j.1553-2712.1994.tb02532.x.

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22

Kühlbrandt, Werner. "Pumping ions." Nature Structural Biology 4, no. 10 (October 1997): 773. http://dx.doi.org/10.1038/nsb1097-773.

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23

Daniel, H. "Betatron pumping." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 545, no. 3 (June 2005): 562–67. http://dx.doi.org/10.1016/j.nima.2005.01.345.

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24

HILLE, B. "Pumping Ions." Science 255, no. 5045 (February 7, 1992): 742. http://dx.doi.org/10.1126/science.255.5045.742.

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25

O’Heir, Jeff. "Pumping Metal." Mechanical Engineering 140, no. 08 (August 1, 2018): 42–45. http://dx.doi.org/10.1115/1.2018-aug-3.

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Almost every form of energy conversion creates heat, making it one of the most prevalent forms of energy. When used for mechanical work, thermal energy is most efficient when it can be moved, stored, and converted at its highest possible temperature. But most of today’s pumps and compressors are made from superalloys and ceramics and can’t handle that extreme heat. A team from Georgia Tech has developed a ceramic pump they and others expect to spur a new generation of highly efficient, low-cost systems for storing, transporting, and converting surplus thermal energy produced by renewables like solar and wind.
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26

Weiss, Peter. "Pumping Alloy." Science News 170, no. 1 (July 1, 2006): 8. http://dx.doi.org/10.2307/4017295.

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27

Farley, Suzanne. "Pumping stations." Nature Reviews Drug Discovery 2, no. 7 (July 2003): 510. http://dx.doi.org/10.1038/nrd1142.

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28

MacLennan, David H., and N. Michael Green. "Pumping ions." Nature 405, no. 6787 (June 2000): 633–34. http://dx.doi.org/10.1038/35015206.

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29

Mai, Tuan. "Smart Pumping." Diabetes Technology & Therapeutics 6, no. 2 (April 2004): 301–2. http://dx.doi.org/10.1089/152091504773731483.

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30

Franklin, Barry A. "PUMPING IRON." ACSM'S Health & Fitness Journal 2, no. 5 (September 1998): 12???15. http://dx.doi.org/10.1249/00135124-199809000-00005.

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31

Vercesi, Anibal E., lone S. Martins, Marco Aurelio P. Silva, Helena Maria F. Leite, Iolanda Midea Cuccovia, and Hernan Chaimovich. "PUMPing plants." Nature 375, no. 6526 (May 1995): 24. http://dx.doi.org/10.1038/375024a0.

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32

Sussman, Michael R. "Pumping iron." Nature Biotechnology 17, no. 3 (March 1999): 230–31. http://dx.doi.org/10.1038/6970.

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33

Dewitt, Jim, and Tom Roberts. "Pumping Up." Journal of Physical Education, Recreation & Dance 62, no. 7 (September 1991): 67–71. http://dx.doi.org/10.1080/07303084.1991.10604006.

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34

Leyden, Troy. "REDUCING PUMPING POWER COSTS BY VARIABLE SPEED PUMPING." Water e-Journal 2, no. 1 (2017): 1–9. http://dx.doi.org/10.21139/wej.2017.003.

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35

Ramazanova, Y. B. "DEPRESSOR ADDITIVE FOR OIL PUMPING." Chemical Problems 19, no. 3 (2021): 143–49. http://dx.doi.org/10.32737/2221-8688-2021-3-143-149.

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The purpose of the research was to study rheological properties of Azerbaijani oils from the Sangachali and Muradkhanli fields. In order to improve rheological properties of the oil produced from the Muradkhanli and Sangachali fields, a Russian-made depressant СНПХ -2005 additive was used. To determine the optimal concentration of the СНПХ-2005 and confirm its positive effect on oil and oil products, control samples were prepared with this additive in oil M-8 and the oil from the above fields with the calculation of 0.5 kg/t, 0.8 kg/t and 1.0 kg/t. In parallel, similar samples were prepared with the depressant АзНИИ. The pour points of the samples were investigated at -5 0С, -100С and -200С on the rotational viscometer REOTECT-2. It found that the sample with the СНПХ -2005 additive (at the concentration of 0.8%) in the M-8 oil has a lower pour point (minus 40°C) as compared to a similar sample with the depressant АзНИИ (-32°C). The sample with the depressant СНПХ-2005 (at the concentration of 0.8%) and oil reveals the best rheological properties (minus 38°C versus -30°C). As a result of the studies carried out, it was determined that the introduction of the depressant СНПХ-2005 improves rheological parameters of the oil from the above fields, and thereby makes it possible to refuse additional heating in low temperature areas when pumping oil through the oil pipeline.
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36

Giri, Nimay Chandra, Kabita Kumari Shah, Selva Suman Ray, H. Vennila, Sima Das, Y. Bhanu Sandhya, and Ilarani Pradhan. "Photovoltaic Pumping SystemVs Livelihoodsand Sustainability." AMBIENT SCIENCE 09, no. 01 (April 2021): 27–30. http://dx.doi.org/10.21276/ambi.2022.09.1.ta02.

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37

Urano, S., Y. Nakata, S. Yanai, and C. Hashimoto. "Concrete Pumping Safety and Latest Concrete Pumping Technology Developments." Concrete Journal 58, no. 3 (2020): 209–16. http://dx.doi.org/10.3151/coj.58.3_209.

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38

Benghanem, M., K. O. Daffallah, S. N. Alamri, and A. A. Joraid. "Effect of pumping head on solar water pumping system." Energy Conversion and Management 77 (January 2014): 334–39. http://dx.doi.org/10.1016/j.enconman.2013.09.043.

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39

Hamel, Joseph, Amine Cassimi, Hassan Abu-Safia, Michele Leduc, and L. D. Schearer. "Diode pumping of LNA lasers for helium optical pumping." Optics Communications 63, no. 2 (July 1987): 114–17. http://dx.doi.org/10.1016/0030-4018(87)90270-7.

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40

Matlakala, Motsi Ephrey, and Daramy Vandi Von Kallon. "Optimization of the Pumping Capacity of Centrifugal Pumps Based on System Analysis." MATEC Web of Conferences 347 (2021): 00024. http://dx.doi.org/10.1051/matecconf/202134700024.

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The pumping capacity is the maximum flow rate through a pump at its design capacity. In the process of pumping water and other fluids, pumping capacity is required to accurately size pumping systems, determine friction head losses, construct a system curve and select a pump and motor. Failure to choose the right pump size for pumping system, improper installation and pump operation results into higher consumption of energy. The insufficient pumping capacity affects the plant’s operations such as maintenance cost, downtime, loss of production and increase in operating cost. In this study variation of the impeller diameter is used to calculate the new pump curve to improve the pumping capacity. The pumping system is analysed to determine the pumping capacity of the pump. Computational fluid dynamic (CFD) simulations are carried out to determine the performance of the pump and analyses the pumping system to achieve the pumping capacity. Results show that enhanced pumping capacity is achieved at a given impeller design with a specific shift in the pump curve. It is recommended that the pumping capacity can be optimized through trimming of impeller. Trimming of the impeller improves pump efficiency and increases the performance of the pump. In addition, the pumping capacity can also be optimized through the system analysis by adjusting the diameter of the pipes and throttling of the valves. Optimization of the pumping capacity helps with running the pumping system efficiently.
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41

Zhou, Pengpeng, Xiaojuan Qiao, and Xiaolei Li. "Numerical modeling of the effects of pumping on tide-induced groundwater level fluctuation and on the accuracy of the aquifer's hydraulic parameters estimated via tidal method: a case study in Donghai Island, China." Journal of Hydroinformatics 19, no. 4 (March 15, 2017): 607–19. http://dx.doi.org/10.2166/hydro.2017.089.

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Coastal groundwater level is affected both by tide and pumping. This paper presents a numerical model to study the effects of pumping on tide-induced groundwater level fluctuation and on accuracy of hydraulic parameters estimated via tidal method. Firstly, for the effects of pumping on the groundwater level fluctuation under the combined influence of pumping and tide, groundwater level has a drawdown but eventually reaches a quasi-steady-state again. Steady pumping can attenuate the amplitude but cannot affect the phase of the quasi-steady fluctuation. However, seaward steady pumping plays a relatively obvious role in enhancing drawdown compared with landward pumping, a partial penetration well leads to greater drawdown than a full penetration well, and transient pumping induces large amplitude which does not reflect large transmissivity. Secondly, for the effects of pumping on the accuracy of the parameter estimated via the tidal method, transient pumping or large steady pumping, especially in a full penetration well, significantly affects accuracy of the estimated parameters. However, when the distance between the pumping well and tide observation well exceeds 200% of the distance between observation well and shoreline, pumping effect on estimated parameters can be neglected. The conclusions could provide guidance for reasonable application of the tidal method.
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42

Li, Ziyi. "Various pumping modes of high-power double clad fiber laser." Highlights in Science, Engineering and Technology 5 (July 7, 2022): 108–13. http://dx.doi.org/10.54097/hset.v5i.730.

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As one of the first invented laser categories, fiber laser plays a crucial role in many specific fields, e.g., filed-optic communication, sensing, industrial processing, national defense, military. In order to effectively couple the pump light into the single-mode fiber, double-clad fiber laser was invented, i.e., the power and efficiency of fiber lasers have been significantly improved. There are two mainly categories of pumping mode for double clad fiber laser, named as end smoothing the gain curve pumping and side pumping. This paper will focus on the analysis and comparison of these two pumping modes in terms of the power, efficiency, relative population density, thermal load and feasibility. The experimental procedure will be achieved based on the MATLABR2021b and SFTool. The aim of the paper is to investigate the effects on the forward pumping and backward pumping in the process of side pumping and end pumping. According to the analysis, side pumping and bi-direction pumping smooth the gain curve effectively. Choosing appropriate pumping mode can reduce the loss and save the cost of optical transmission to a large extent. These results shed light on selection of pumping mode for high power fiber laser.
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43

Chen, Jun Sheng, Hai Hong Mo, Hong Cao, Ting Jin Liu, Song Liang, Yi Bo Yang, and Ling Zhen Ba. "Research Progress of Workability Theoretical Research and Simulation Computation of Pumping Concrete." Key Engineering Materials 405-406 (January 2009): 103–9. http://dx.doi.org/10.4028/www.scientific.net/kem.405-406.103.

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With the wide application of pumping concrete, and the increasing of pumping height and distance, more and more attention of researchers focus on the workability of pumping concrete. Traditionally, the research method of workability of pumping concrete is mainly experiment. With the increasing of pumping height and distance,experimental method for workability of pumping concrete becomes more difficult. Combining simulation computation and experimental method to solve pumping construction problems of concrete under complicated conditions is a feasible method. Research progress about experimental method and simulation computation of workability of pumping concrete are presented, which would provide research thinking and research method for combining simulation computation and experimental method.
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44

Neurath, Daniel. "Stichtagsbezogene Marktmanipulation durch Investmentfonds am Beispiel des Portfolio Pumpings." Zeitschrift für Bankrecht und Bankwirtschaft 31, no. 6 (December 11, 2019): 378–84. http://dx.doi.org/10.15375/zbb-2019-0605.

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Zusammenfassung Der Beitrag behandelt das Phänomen des Portfolio Pumpings, d. h. der Manipulation von Schlusskursen durch Investmentfonds am Ende von Perioden, um auf diesem Wege eine bessere Portfolioperformance zu bestimmten Stichtagen vermelden zu können. Dargestellt werden zunächst die bestehenden ökonomischen Anreize für derartiges Verhalten. Das Portfolio Pumping wird anhand eines Beispiels erläutert und von anderen Formen stichtagsbezogener Praktiken abgegrenzt. Beleuchtet werden auch die Erkenntnisse der empirisch-ökonomischen Forschung auf diesem Gebiet. Sodann wird das Phänomen des Portfolio Pumpings im Lichte des europäischen Verbots der Marktmanipulation nach Art. 12, 15 MAR untersucht.
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45

Bybee, Karen. "Subsea Multiphase Pumping." Journal of Petroleum Technology 57, no. 05 (May 1, 2005): 57–60. http://dx.doi.org/10.2118/0505-0057-jpt.

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46

Farno, Ehsan, and Nicky Eshtiaghi. "Pumping sewage sludge." Water e-Journal 4, no. 4 (2019): 1–9. http://dx.doi.org/10.21139/wej.2019.026.

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47

Masamune, Sadao. "F-.THETA. pumping." Kakuyūgō kenkyū 58, no. 4 (1987): 317–31. http://dx.doi.org/10.1585/jspf1958.58.317.

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48

O'Neil, Thomas M. "Rotational pumping revisited." Physics of Plasmas 28, no. 10 (October 2021): 102103. http://dx.doi.org/10.1063/5.0064401.

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49

Sikallos, Con, and Lance Moseley. "Wastewater Sludge Pumping." Proceedings of the Water Environment Federation 2016, no. 11 (January 1, 2016): 5056–68. http://dx.doi.org/10.2175/193864716819706842.

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50

Williams, Melvin H. "Pumping Dietary Iron." ACSM'S Health & Fitness Journal 3, no. 6 (November 1999): 15–22. http://dx.doi.org/10.1249/00135124-199911000-00006.

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