International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage

Multilingual Technical Dictionary (MTD)
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Term No.Term Name/Term DescriptionAction
9083
Quality Assurance
A structured review of the project by an external resource, to determine the overall project performance (e.g. against schedule and budget) and conformance (i.e. to the management processes specified for the project). .....
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9084
Quality Control
The internal monitoring and control of project deliverables, to ensure that they meet the quality targets set for the project. .....
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9085
Quality Management
The process by which the quality of the deliverables and management processes is assured and controlled on a project.
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9087
Quality Planning
The process of identifying and scheduling Quality Assurance and Quality Control activities to improve the level of quality within a project. .....
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6374
Quality ratios
A way of representing equipment evaluations by the operators, stating results in the form of efficiencies. An example is: Primary yield, or equipment efficiency -- given by the ratio between accounted volume downstream and volume introduced upstream......
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9086
Quality Review
A structured independent review of the project, to determine the overall project performance (e.g. against schedule and budget) and the project conformance (i.e. to the management processes specified for the project). .....
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8601
Quantized system
A system is said to be quantized when the input or output value changes at discrete intervals of time and holds a constant value between these intervals......
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127
Quartiles
The three variate values that separate the total frequency of a distribution into four equal parts. The central value is called the `median` and the other two `upper and lower quartiles`, respectively......
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3032
Quasi-smooth flow, or Skimming flow
A type of flow in rough conduits when the roughness elements are so close together that the flow essentially skims the crests of the elements......
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5706
Quenching
Rapid cooling.
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8657
Queueing theory
Theories used for analysis of queues. Customers (water resources demands) coming at random intervals make a queue (line) to wait for services with one or more service counters. Optimization of service system is designed......
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2619
Quick condition (quicksand)
Condition when the water is flowing upward with sufficient velocity thus significantly reducing the bearing capacity of the soil by way of a decrease in intergranular pressure......
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4777
Quick couplers
Couplers used in portable sprinkler systems for the quick assembly or separation of pipes of same diameter.
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5520
Quick setting cement
A cement that sets more rapidly than ordinary or rapid-hardening Portland cement.
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5501
Quicklime (run-of-kiln)
A well-burned lime without screening or selection, containing not less than 85 per cent of calcium and magnesium oxides and not more than 5 per cent of carbon dioxide......
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5500
Quicklime (selected)
A well-burned lime, picked free from ashes, core, clinker, or other foreign material, containing not less than 90 per cent of calcium and magnesium oxides and not more than 3 per cent of carbon dioxide......
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5499
Quicklime, or Pure lime
Common or commercial form of calcium oxide (CaO), obtained by the calcination of a stone in thatthe predominating constituent is calcium carbonate (CaCO3), often replaced, however, to a greater or lesser degree by magnesium carbonate (MgCO3), this product being one that will slake on the addition of water......
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5346
Quicksand
A soil condition in which fine sand in a saturated, fluid condition is buoyed up by hydrostatic pressure from below.
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1284
Quondam
An outlet that is no longer functioning. .
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