secondary contamination
41Harford County, Maryland — Seal …
42Sodium fluoroacetate — Sodium fluoroacetate …
43Glass ionomer cement — A Glass Ionomer Cement (GIC) is one of a class of materials commonly used in dentistry as filling materials and luting cements. These materials are based on the reaction of silicate glass powder and polyalkeonic acid. These tooth coloured… …
44Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
45Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …
46List of Statutory Instruments of the United Kingdom, 1989 — NOTOC This is a complete list of all 1534 Statutory Instruments published in the United Kingdom in the year 1989.1 100* Criminal Justice Act 1988 (Commencement No. 5) Order 1989 S.I. 1989/1 * Food Protection (Emergency Prohibitions) (Wales)… …
47Fertilizer — Tennessee Valley Authority: Results of Fertilizer demonstration 1942 …
48Electron beam induced deposition — (EBID) is a process of decomposing gaseous molecules by electron beam leading to deposition of non volatile fragments onto a nearby substrate. Process Focused electron beam of scanning electron microscope (SEM) or scanning transmission electron… …
49Duttapukur —   township   …
50Kombucha — For the Japanese seaweed tea, see Kombu. For the Japanese squash, see kabocha. Kombucha. Kombucha is an effervescent tea based beverage that is often drunk for its anecdotal health benefits or medicinal purposes. Kombucha is available… …
