water main- main (a pipe or conduit) for conveying water main- a principal pipe in a system that distributes water or gas or electricity or that collects sewage water supply,water system,water- a facility that provides a source of water; "the town debated the purification of the water sup...
Chinese civilization is one of the world’s ancient river civilizations. It began thousands of years ago along the Yellow and Yangtze rivers, linking (联系) the culture to water from its beginning. However, the way people and water get along ...
Water is present in a continuous system in the SPAC, and water movement in this system can occur by two major processes: a. Diffusion—the net movement of a substance from one point to another due to the random (or thermal) motion of individual ions or molecules. b. Mass flow—the ...
Q1: Are factory or trading company? A1:We are the leading manufacturer of pneumatic products who have many years experience since 2003. Q2:What's your main products? A2:We mainly produce Pneumatic components,Pneumatic valves and fittings. We provide automatic pr...
The main wastewater treatment methods in South Africa include the use of ponds (and lagoons), activated sludge and trickling filters (DWA, 2011a). Dungeni and Momba (2010) reported that sometimes high removal efficiency of contaminants is recorded in wastewater treatment works; unfortunately, the ...
We currently use about 15 waves of varying frequency and orientation, taking from two to four passes. Four passes may sound excessive, but they are into a 256x256 render-target texture, rather than over the main frame buffer. In practice, the hit from the fill rate of gener...
One of the main benefits of remote sensing lies in its non-intrusive nature14. Passive sensors capture electromagnetic energy without disrupting the object or area under observation. This enables researchers to monitor natural phenomena without requiring changes to their methods or behaviors15. Remote ...
1314.Their works were often primitive and two-dimensional, and the main characters were often made much larger than everyone else to show their importance. 他们的作品通常较为粗糙且二维化,主体人物通常比其他人物大得多,以...
The main risk of developing fossil aquifers is mining them and exploitation leading to subsidence. South Sudan and the countries of the extended Lake Victoria basin have shallow aquifers and few irrigation schemes. There is opportunity to benefit from both surface and groundwater development and th...
The address where the author carried out the work must be retained as their main affiliation address. Use superscript Arabic numerals for such footnotes. Abstract You are required to provide a concise and factual abstract which does not exceed 250 words. The abstract should briefly state the ...