- lead cyanamide
- 氰氨化铅
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
lead cyanamide
Look at other dictionaries:
Melamine — This article is about the chemical compound. For the plastic also called melamine , see melamine resin. Melamine … Wikipedia
Calcium — A mineral found mainly in the hard part of bones. Bones serve as a storage area for calcium. Calcium is added to bones by cells called osteoblasts. It is removed from bones by cells called osteoclasts. When children consume calcium, they absorb… … Medical dictionary
Organophosphate — General chemical structure of an organophosphate An organophosphate (sometimes abbreviated OP) is the general name for esters of phosphoric acid. Phosphates are probably the most pervasive organophosphorus compounds. Many of the most important… … Wikipedia
List of inorganic compounds — Tentative listing related to this page, inorganic compounds by element (presently under construction), as well as . This list is not necessarily complete or up to date ndash; if you see an article that should be here but isn t (or one that… … Wikipedia
chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… … Universalium
Calcium — (pronEng|ˈkælsiəm) is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078. Calcium is a soft grey alkaline earth metal, and is the fifth most abundant element by mass in the Earth s crust. Calcium is also … Wikipedia
technology, 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… … Universalium
calcium — /kal see euhm/, n. Chem., Biol. a silver white divalent metal, occurring combined in limestone, chalk, gypsum, etc., occurring also in vertebrates and other animals, as a component of bone, skeletal mass, shell, etc., and as a necessary element… … Universalium
RNA world hypothesis — A comparison of RNA (left) with DNA (right), showing the helices and nucleobases each employs. The RNA world hypothesis proposes that life based on ribonucleic acid (RNA) pre dates the current world of life based on deoxyribonucleic acid (DNA),… … Wikipedia
National Emissions Standards for Hazardous Air Pollutants — The National Emissions Standards for Hazardous Air Pollutants (NESHAPs) are emissions standards set by the United States EPA for an air pollutant not covered by NAAQS that may cause an increase in fatalities or in serious, irreversible, or… … Wikipedia
Соединённые Штаты Америки — (United States of America), США (USA), гос во в Cев. Aмерике. Пл. 9363,2 тыс. км2. Hac. 242,1 млн. чел. (1987). Cтолица Bашингтон. B адм. отношении терр. США делится на 50 штатов и федеральный (столичный) округ Kолумбия. Oфиц. язык… … Геологическая энциклопедия
