a = KB/KA
The selectivity of a VPO catalyst refers to its ability to promote a specific desired reaction while minimizing undesired side reactions. VPO catalysts are known for their high selectivity in various oxidation reactions, particularly in the oxidation of n-butane to maleic anhydride. This selectivity is achieved through the unique properties of the vanadium-phosphorus-oxide structure in the catalyst.
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The selectivity factor in chromatography is a measure of how well a chromatographic method can separate two components of a mixture. It is calculated as the ratio of the retention factors of the two components. A higher selectivity factor indicates better separation between the two components.
perception can be defined as a process by which individual
Hertz Antenna is lambda by 2 antenna & marconi antenna is lambda by 4 antenna...
rf is a single tuned amplifier . Its functions are :- 1.improves selectivity ( i.e rejection of unwanted signal) , so that it prevents heterodyning which results in interference frequency. 2. improves image frequency rejection 3. improves sensitivity ( gain of amplifier ) 4.improves coupling of receiver with antenna . 5. improves signal to noise ratio. 6. reradiation of local oscillator through receiver antenna is prevented
An active antenna has a amplifier built in, a standard antenna does not. AKA powered antenna.
A passive antenna is an antenna that is not powered by an amplifier.
The possessive form for the noun antenna is antenna's.
A yogi is a directional antenna.
How do you use a mobile CB antenna for base station antenna?