to separate by passing through a sieve
1Derbyshire lead mining history — Goodluck Mine in Via Gellia. This article details some of the history of lead mining in Derbyshire, England. Contents 1 …
2отсевать — ОТСЕИВАТЬ и ОТСЕВАТЬ, несов. (сов. отсеять), что. Отделять (отделить) посторонние примеси от какого л. сыпучего вещества, пропуская его через сито или решето [impf. to sift (out), sieve (out), separate smaller objects from larger ones by using a… …
3отсеивать — и ОТСЕВАТЬ, несов. (сов. отсеять), что. Отделять (отделить) посторонние примеси от какого л. сыпучего вещества, пропуская его через сито или решето [impf. to sift (out), sieve (out), separate smaller objects from larger ones by using a sieve; to… …
4petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
5Combine harvester — A Lely open cab combine. Harvesting oats in a C …
6ion-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.… …
7separation and purification — ▪ chemistry Introduction in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… …
8Islamic arts — Visual, literary, and performing arts of the populations that adopted Islam from the 7th century. Islamic visual arts are decorative, colourful, and, in religious art, nonrepresentational; the characteristic Islamic decoration is the arabesque.… …
9wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …
10Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …
