- key raw material
- 主要原料
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
material — 1. noun 1) the decomposition of organic material Syn: matter, substance, stuff, medium 2) the materials for a new building Syn: constituent, raw material, element, component 3) (materials) … Thesaurus of popular words
material — 1. noun 1) organic material Syn: matter, substance, stuff 2) the materials for a new building Syn: constituent, raw material, component, supplies 3) cleaning materials … Synonyms and antonyms dictionary
Material Exchange Format — Filename extension .mxf Internet media type application/mxf Type code mxf Type of format Container format Container for audiovisual material, rich metadata … Wikipedia
Composite material — A cloth of woven carbon fiber filaments, a common element in composite materials Composite materials, often shortened to composites or called composition materials, are engineered or naturally occurring materials made from two or more constituent … Wikipedia
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… … Universalium
Manhattan Project — This article is about the atomic bomb project. For other uses, see Manhattan Project (disambiguation). Manhattan District The Manhattan Project created the first nuclear bombs. The Trinity test … Wikipedia
History of biotechnology — Biotechnology is the application of scientific and engineering principles to the processing of materials by biological agents to provide goods and services. [Bud, The Uses of Life , p. 1] From its inception, biotechnology has maintained a close… … Wikipedia
Autarky — Not to be confused with Autarchy. Part of a series on Economic systems Ideological systems … Wikipedia
Corrugated fiberboard — is a paper based material consisting of a fluted corrugated sheet and one or two flat linerboards. It is widely used in the manufacture of corrugated boxes and shipping containers. The corrugated medium and linerboard are made of containerboard,… … Wikipedia
Ethylene — Ethylene … Wikipedia