Social workers use practice experience to inform scientific inquiry and use research evidence to inform practice. As with the social work practitioner, social work educators also experience ethically-based challenges in relation to EBP. NASW and CSWE clearly promote an evidence-based focus in both social work practice and education.
Another common form is a set of fingers that press on the tube in sequence. Small-volume pumps usually use a computer-controlled motor turning a screw that pushes the plunger on a syringe. The classic medical improvisation for an infusion pump is to place a blood pressure cuff around a bag of fluid. The battlefield equivalent is to place the bag under the patient. The pressure on the bag sets the infusion pressure. The pressure can actually be read-out at the cuff's indicator.
ANSI Process Pumps are considered end suction centrifugal pumps. ANSI process pumps are designed to meet the ANSI B73.1 standard. This type of process pump comes in a wide range of materials depending on the application. ANSI process pumps are used in the chemical industry, paper mills, refineries and other plant environments.