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Greywater. Left: greywater sample from an office building. Right: Same greywater after treatment in membrane bioreactor. Greywater (or grey water, sullage, also spelled gray water in the United States) refers to domestic wastewater generated in households or office buildings from streams without fecal contamination, i.e., all streams except for ...
The computed tomography dose index (CTDI) is a commonly used radiation exposure index in X-ray computed tomography (CT), first defined in 1981. [1] [2] The unit of CTDI is the gray (Gy) and it can be used in conjunction with patient size to estimate the absorbed dose. The CTDI and absorbed dose may differ by more than a factor of two for small ...
The EPA storm water management model (SWMM) is a dynamic rainfall-runoff-routing simulation model used for single event or long-term (continuous) simulation of runoff quantity and quality from primarily urban areas. The runoff component of SWMM operates on a collection of subcatchment areas that receive precipitation and generate runoff and ...
Fecal sludge is defined very broadly as what accumulates in onsite sanitation technologies and specifically is not transported through a sewer.It is composed of human excreta, but also anything else that may go into an onsite containment technology, such as flushwater, cleansing materials and menstrual hygiene products, grey water (i.e. bathing or kitchen water, including fats, oils and grease ...
“My 4-year-old asked me if I could still get in the water and swim and race these guys,” Phelps recalled. “And I said, ‘If I wanted to, I believe I still could.’ "And then I said to him ...
A sponge city ( Chinese: 海绵城市) is a new urban planning model in China that emphasizes flood management via strengthening green infrastructures instead of purely relying on drainage systems, proposed by Chinese researchers in early 2000 and accepted by the Chinese Communist Party (CCP) and the State Council as nationwide urban ...
The PWC intends to extend water service to Gray's Creek in Cumberland County. Also pictured: Glenn Adams, commissioner chair, left; Donald L. Porter, the chair of the PWC; and Dr. Jennifer Green ...
In the tenth season, the new batch of interns introduced during the ninth season were made series regulars including Camilla Luddington as Dr. Jo Wilson, Gaius Charles as Dr. Shane Ross, Jerrika Hinton as Dr. Stephanie Edwards, Tessa Ferrer as Dr. Leah Murphy except Tina Majorino as Dr. Heather Brooks (who died during the second episode of the ...