zirconium fluoride
61periodic law — /pear ee od ik, pear /, Chem. 1. the law that the properties of the elements are periodic functions of their atomic numbers. 2. Also called Mendeleev s law. (originally) the statement that the chemical and physical properties of the elements… …
62Yttrium — Strontium ← Yttrium → Zirconium Sc …
63Titanium tetrachloride — IUPAC name Titanium tetrachloride …
64Materials for use in vacuum — are materials showing very low rate of outgassing in vacuum, and, where applicable, tolerant to the bake out temperatures. The requirements grow increasingly stringent with the desired degree of vacuum achievable in the vacuum chamber. The… …
65Dubnium — rutherfordium ← dubnium → seaborgium Ta ↑ Db ↓ (Upp) …
66Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo …
67Nafion — Identifiers CAS number 66796 30 3  …
68Superalloy — A superalloy, or high performance alloy, is an alloy that exhibits excellent mechanical strength and creep resistance at high temperatures, good surface stability, and corrosion and oxidation resistance. Superalloys typically have an austenitic… …
69Fernald Feed Materials Production Center — The Fernald Feed Materials Production Center (commonly referred to simply as Fernald) was a uranium processing facility located near the rural town of Fernald, in Hamilton County, Ohio, about 20 miles northwest of Cincinnati, which fabricated… …
70ion-exchange reaction — ▪ chemical reaction Introduction any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… …
