What is the role of zirconium in zeolite-based cracking catalysts?

Mar 21, 2023 ... ZR tyres were generally known as “performance-rating tyres” with a speed rating of over 149 mph while the letter R on a tyre addresses both the ... Oct 26, 2021 ... SR, LRM, LR, ER and ZR are terms that are commonly seen on 10G SFP+ modules, and they stand for the transmission distance of the modules. The 400ZR optical module meets these requirements. 400G OpenZR+ (model numbers: QDD-400 ZR-M, JCO400-QDD-ZR-M, and QDD-400G-ZR-M ... Apr 10, 2024 ... For example, tyres with a “ZR” designation means they are able to be used at speeds over 240 kph or roughly 149 mph. Thus, the Z in the ZR is ... Tire Speed Rating Chart. For tires with a maximum speed capability higher than 240 km/h (149 mph), a "ZR" may appear in the size designation ... Sep 27, 2024 ... A: The Cisco SFP-10G-ZR is a 10 g form factor single-mode fiber optical transceiver module used in data centers and other network environments. This is also just an old speed rating that the tire is capable of operating at speeds over 149mph+. It was superseded by the lettering mentioned above. At least ... Dec 3, 2019 ... Z was first added as the trigger button to the N64 controller. It moved to the right bumper in the GameCube controller while L and R became ... A ZR tyre has a speed index of V, W, or Y. R indicates that the structure is RADIAL. So, VR indicates that the tyre has a RADIAL structure and a speed index ... ZR basically means the tyre is adapted for speeds above 149 mph. ZR tyres includes the speed ratings V(149mph), W(168mph) and Y(186mph).