Research by Friends of the Earth indicates that one smartphone made using today's methods requires a mind-boggling 13 tonnes of water – much of it to safely dilute pollutants – and 18m² of land.
An understanding of electrical properties and testing methods requires a brief explanation of the free electron gas theory of electrical conduction.
Implementation of Bayesian methods requires some expertise.
The design of autoregressive methods requires solving the following issues.
None of these methods requires fitting to a training set.
Safe initiation of contraceptive methods requires that pregnancy be excluded.
The effective implementation of these multivariate data analysis methods requires the pretreatment of data.
The effective implementation of these chemometric methods requires the pretreatment of data.
Assurance of proper operation of time-based methods requires the deployment of LMUs [17].
Application of these methods requires little amounts of biomass and reagents [20, 21].
The traditional mining application (cut and fill methods) requires a backfill of particular strength and pumpability.
