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A syringe pump for laboratory use. World Precision Instruments (WPI) SP120PZ. A syringe driver, also known as a syringe pump, is a small infusion pump, used to gradually administer small amounts of fluid (with or without medication) to a patient or for use in chemical and biomedical research. Some syringe drivers can both infuse and withdraw ...
The company invented the mechanical syringe pump in the 1950s, and introduced the first microprocessor controlled syringe pumps in the 1980s. [5] Harvard Apparatus also developed first volume controlled- and then pressure controlled ventilators, pulsatile blood pumps, transducers, amplifiers, recorders, glassware and many other specialized bioscience research products.
The complexity of the pumps is a fundamental problem for all programs of this kind, as well as the quality of the pumps given the heavy demands of a village. [20] A 1994 study, also Bank funded, of the endurance of hand pumps in Africa showed that only 41 to 51 percent of hand pumps were still functioning. [20]
The user interface of pumps usually requests details on the type of infusion from the technician or nurse that sets them up: . Continuous infusion usually consists of small pulses of infusion, usually between 500 nanoliters and 10 milliliters, depending on the pump's design, with the rate of these pulses depending on the programmed infusion speed.
Africa and the Victorians: The Official Mind of Imperialism is a 1961 book by Ronald Robinson and John Andrew Gallagher, with contributions from Robinson's wife, Alice Denny. The book argues that British involvement in the Scramble for Africa occurred largely to secure its empire, specifically routes to India and was a strategic decision.
This product line became available in 2007 with software release 4.0 [4] [5] and the device was demonstrated in March at the 'Spring VoiceCon 2007'. [6] In March 2007 the product started to ship, and then in May 2007 a detailed evaluation between this switch and two competitor's switches identified that this switch had a better performance and better total cost of ownership.
Historical Publications Southern Africa (HiPSA) is a South African text publication society which publishes or republishes primary sources relating to southern African history. It was founded in 1918 as the Van Riebeeck Society for the Publication of Southern African Historical Documents , usually abbreviated as the Van Riebeeck Society ( VRS ).
The spinning motion pumps underground water into a 2,500-liter tank raised seven meters above ground. The water in the tank is easily dispensed by a tap valve. According to the manufacturer the pump can raise up to 1400 liters of water per hour from a depth of 40 meters. Excess water is diverted below ground again. [3]
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