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2. SAE 904L stainless steel - Wikipedia

   en.wikipedia.org/wiki/SAE_904L_stainless_steel

   904L is an austenitic stainless steel.It is softer than 316L, [1] [2] and its molybdenum addition gives it superior resistance to localized attack (pitting and crevice corrosion) by chlorides and greater resistance reducing acids; in particular, its copper addition gives it useful corrosion resistance to all concentrations of sulfuric acid.

3. Sink - Wikipedia

   en.wikipedia.org/wiki/Sink

   Stainless steel sinks are widely celebrated for their durability, sleek appearance, and resistance to rust and corrosion. However, many homeowners are baffled when they spot rust stains on their stainless steel sink. [3] One disadvantage of stainless steel is that, being made of thin metal, they tend to be noisier than most other sink materials ...

4. Parshall flume - Wikipedia

   en.wikipedia.org/wiki/Parshall_flume

   For free flow, the equation to determine the flow rate is simply Q = CH a n where: Q is flowing rate (ft 3 /s) C is the free-flow coefficient for the flume (see Table 1 below) H a is the head at the primary point of measurement (ft) (See Figure 1 above) n varies with flume size (see Table 1 below) Parshall flume discharge table for free flow ...

5. Salton Sink - Wikipedia

   en.wikipedia.org/wiki/Salton_Sink

   The Salton Sink is the low point of an endorheic basin, a closed drainage system with no outflows to other bodies of water, in the Colorado Desert sub-region of the Sonoran Desert. The sink falls within the larger Salton Trough and separates the Coachella Valley from the Imperial Valley , which are also segments of the Salton Trough.

6. Stainless steel - Wikipedia

   en.wikipedia.org/wiki/Stainless_steel

   Stainless steel, also known as inox, corrosion-resistant steel (CRES), and rustless steel, is an iron-based alloy containing a minimum level of chromium that is resistant to rusting and corrosion. Stainless steel's resistance to corrosion results from the 10.5%, or more, chromium content which forms a passive film that can protect the material ...

7. Parabolic trough - Wikipedia

   en.wikipedia.org/wiki/Parabolic_trough

   A parabolic trough collector (PTC) is a type of solar thermal collector that is straight in one dimension and curved as a parabola in the other two, lined with a polished metal mirror. The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line , where objects are positioned that are intended to be heated.