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HC-12a, also called ES-12a, OZ-12a, DURACOOL 12a [1] and Hydrocarbon Blend B, is marketed as a "drop-in" replacement refrigerant for R-12 and other refrigerants. HC-12a is a mixture of hydrocarbons, specifically propane (R-290) and isobutane (R-600a), and is therefore considered nearly non-ozone-depleting. The hydrocarbon blend is compatible ...
Chemical compatibility is a rough measure of how stable a substance is when mixed with another substance. [1] If two substances can mix together and not undergo a chemical reaction, they are considered compatible. Incompatible chemicals react with each other, and can cause corrosion, mechanical weakening, evolution of gas, fire, or other ...
1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Klea 134a, Freon 134a, Forane 134a, Genetron 134a, Green Gas, Florasol 134a, Suva 134a, HFA-134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a lower 100-year global warming ...
Various fractional sizes are also available; e.g., 2 ⁄ 3 A and 4 ⁄ 5 A. B: U10 336 (Russian Federation) #3 (China) R12 (carbon‑zinc) LR12 (alkaline) 8,350 (alkaline) 1.5: 21.5 × 60 Most commonly found within a European 4.5-volt lantern battery. Not to be confused with the vacuum tube B battery. C: U11 or HP11 (In the UK) MN1400 MX1400 Baby
Compatibility conditions are mathematical conditions that determine whether a particular deformation will leave a body in a compatible state. [ 2 ] In the context of infinitesimal strain theory , these conditions are equivalent to stating that the displacements in a body can be obtained by integrating the strains .
Pin compatibility is a property desired by systems integrators as it allows a product to be updated without redesigning printed circuit boards, which can reduce costs and decrease time to market. Although devices which are pin-compatible share a common footprint, they are not necessarily electrically or thermally compatible.
[5] [15] HFO-1234yf can be handled very similarly to R-134a in repair shops, although it requires some different, specialized equipment due to its flammability. [16] Another issue affecting the compatibility between HFO-1234yf and R-134a-based systems is the choice of lubricating oil. [17]
For low-frequency damping in military applications, this distance is often 60 cm (24 in), while high-frequency panels are as short as 7.5 to 10 cm (3 to 4 in). An example of a high-frequency application would be the police radar (speed-measuring radar K and Ka band), the pyramids would have a dimension around 10 cm (4 in) long and a 5 cm × 5 ...