1 Medical microbiology: The study of the pathogenic microbes and the role of microbes in human illness. 2  Includes the study of microbial pathogenesis and epidemiology and is related to the study of disease pathology and immunology. This field can be further classified into the following: 2  Plant microbiology and Plant pathology: The study of the interactions between microorganisms and plants and plant pathogens. 3  Soil microbiology: The study of those microorganisms that are found in soil.
Average. The average life span of a cell phone battery is from 400 to 500 charge cycles. That means the average battery lasts from one to two years. A decrease in the duration of the battery's lifespan between charge cycles indicates that the battery should be replaced.Lithium ion batteries usually maintain their full capacity for most of their lifetimes, and then die suddenly.ou can maximize your cell phone's battery by limiting your number of charges. Charging a phone when it is at half power, as opposed to a phone with depleted power, trains a battery to hold only half of a charge.
(See Rick Broida's article on replacing the iPhone 3G's battery). Phones like. , which truly uses a 4G network, should also be able to put in a solid two to three years of service before seeming too ancient. And if all you care about is making voice calls, your phone can theoretically last for years.ut recently I've been thinking about how long a phone (and not just an iPhone) should last. The common consensus I've heard from cell phone manufacturers is about two years, even if some carriers allow you to upgrade every 12 months (at a subsidized price), depending on your plan. With my old phone, the.