silver-zinc cell
81Nickel–lithium battery — The nickel–lithium battery, also known as Ni–Li, is an experimental battery using a nickel hydroxide cathode and lithium anode. The two metals cannot normally be used together in a battery, as there are no electrolytes compatible with both. The… …
82Dental amalgam controversy — Dental amalgam filling The dental amalgam controversy refers to the conflicting views over the use of amalgam as a filling material mainly because it contains the element mercury. The concern centers on the health effects of toxicity or allergy… …
83Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
84technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
85spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
86Historia de la pila — Ilustraciones del propio Volta de su Corona de elementos y su pila voltaica, las primeras baterías de celdas electroquímicas conectadas en serie.[1] La historia de la pila refleja el desarrollo histórico de las diferentes cel …
87Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …
88Alessandro Volta — For the concept car, see Toyota Alessandro Volta. Alessandro Volta Alessandro Giuseppe Antonio Anastasio Gerolamo Umberto Volta Born …
89Corrosion — v · d · e Materials failure modes Buckling · …
90Lead poisoning — Classification and external resources An X ray demonstrating the characteristic finding of lead poisoning, dense metaphyseal lines. ICD 10 T …
