- ultratrace
- 1) Микроэлектроника: микрослед2) Макаров: ультраследовый
Универсальный англо-русский словарь. Академик.ру. 2011.
ultratrace
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Ultratrace element — In biochemistry, an ultratrace element is a chemical element that normally comprises less than one microgram per gram of a given organism … Wikipedia
impurity ultratrace — priemaišos mikropėdsakas statusas T sritis radioelektronika atitikmenys: angl. impurity ultratrace vok. Dotierstoffmikrospur, f rus. микрослед примеси, m pranc. microtrace d impureté, f … Radioelektronikos terminų žodynas
Boron — (pronEng|ˈbɔərɒn) is a chemical element with atomic number 5 and the chemical symbol B. Boron is a trivalent nonmetallic element which occurs abundantly in the evaporite ores borax and ulexite. Boron is never found as a free element on… … Wikipedia
Composition of the human body — The composition of the human body can be looked at from several different points of view. By mass, human cells consist of 65–90% water (H2O). Oxygen therefore contributes a majority of a human body s mass. Almost 99% of the mass of the human body … Wikipedia
Dietary mineral — Dietary minerals (also known as mineral nutrients) are the chemical elements required by living organisms, other than the four elements carbon, hydrogen, nitrogen, and oxygen present in common organic molecules. Examples of mineral elements… … Wikipedia
nutrition, human — Introduction process by which substances in food are transformed into body tissues and provide energy for the full range of physical and mental activities that make up human life. The study of human nutrition is interdisciplinary in… … Universalium
Biochemistry — For the journal, see Biochemistry (journal). Biological Chemistry redirects here. For the journal formerly named Biological Chemistry Hoppe Seyler, see Biological Chemistry (journal). Biochemistry, sometimes called biological chemistry, is the… … Wikipedia
Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of … Wikipedia
Cobalt — This article is about the metal. For other uses, see Cobalt (disambiguation). iron ← cobalt → nickel ↑ Co ↓ Rh … Wikipedia
Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge … Wikipedia
Period 2 element — A period 2 element is one of the chemical elements in the second row (or period) of the periodic table of the chemical elements. The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behaviour of the… … Wikipedia
