cement pump

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• Progressive cavity pump — A progressive cavity pump is also known as a progressing cavity pump, eccentric screw pump or even just cavity pump and, as is common in engineering generally, these pumps can often be referred to by using a genericized trademark. Hence names can …   Wikipedia

• Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …   Wikipedia

• Concrete pump — Because it is a fluid, concrete can be pumped to where it is needed. Here, a concrete transport truck is feeding concrete to a concrete pumper, which is pumping it to where a slab is being poured …   Wikipedia

• Biological pump — In oceanic biogeochemistry, the biological pump is the sum of a suite of biologically mediated processes that transport carbon from the surface euphotic zone to the ocean s interior. OverviewThe organic carbon that forms the biological pump is… …   Wikipedia

• Direct exchange geothermal heat pump — A direct exchange (DX) geothermal heat pump system is a geothermal heat pump system in which the refrigerant circulates through copper tubing placed in the ground. The refrigerant exchanges heat directly with the soil through the walls of the… …   Wikipedia

• Solubility pump — In oceanic biogeochemistry, the solubility pump is a physico chemical process that transports carbon (as dissolved inorganic carbon) from the ocean s surface to its interior.OverviewThe solubility pump is driven by the coincidence of two… …   Wikipedia

• Casing (borehole) — Casing is large diameter pipe that is assembled and inserted into a recently drilled section of a borehole and typically cemented into place.PurposeCasing that is cemented in place aids the drilling process in several ways: * Prevent… …   Wikipedia

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

• Electric Line — The term wireline usually refers to a cabling technology used by operators of oil and gas wells to lower equipment or measurement devices into the well for the purposes of well intervention and reservoir evaluation. Braided line can contain an… …   Wikipedia

• Autotransfusion — [Citation|last=Carey|first=J.|title=How to donate to yourself|journal=US News World Report|volume=102|issue=21|year=1987|pages=59] is a process when a person receives their own blood for a transfusion, instead of banked donor blood. Blood can be… …   Wikipedia