- quartz spectroscope
- 水晶分光鏡
English-Chinese dictionary. 2013.
quartz spectroscope
Look at other dictionaries:
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
Museum Boerhaave — Established 1931 [1] Location Lange Sint Agnietenstraat 10 Leiden, Netherlands … Wikipedia
GEMMES — Les gemmes sont des minéraux que l’on taille et polit pour les usages de la bijouterie, de la joaillerie et de l’orfèvrerie précieuse. Pour être gemme, un minéral doit réunir diverses qualités: beauté, dureté, inaltérabilité. La beauté est… … Encyclopédie Universelle
Turquoise — For other uses, see Turquoise (disambiguation). Turquoise Turquoise (tumble finished) one inch (25 mm) long. This pebble is greenish and therefore low grade General … Wikipedia
Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… … Wikipedia
telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium
optical prism — noun optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image • Syn: ↑prism • Derivationally related forms: ↑prismatic (for: ↑prism) • Hypernyms: ↑optical device … Useful english dictionary
Fluorescent lamp — A fluorescent lamp or fluorescent tube is a gas discharge lamp that uses electricity to excite mercury vapor. The excited mercury atoms produce short wave ultraviolet light that then causes a phosphor to fluoresce, producing visible light.Unlike… … Wikipedia
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
prisme — [ prism ] n. m. • 1609; gr. prisma, prismatos, de prizein « scier » 1 ♦ Géom. Polyèdre ayant deux bases égales et parallèles et dont les faces latérales sont des parallélogrammes. Prisme triangulaire. Prisme régulier, qui a pour bases des… … Encyclopédie Universelle
Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr … Wikipedia
