fluorinated carbon fi fluorine fluxing agen fluorine poisoning fluorine rubber fluorine rubber fluor fluorkohlenstoffe fluoro-acetic aci fluorodine fluorolink fluorophotometrictitr fluoroplastics fluoroprotein foam fluoroscopic detectio fluosolid lime calcin fluoxetine hydrochlor flurry n a sudden sha flused ...
common salt,sodium chloride- a white crystalline solid consisting mainly of sodium chloride (NaCl) gas- a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely halogen- any of five related nonmetallic elements (fluorine or chlorine or bromine ...
fluorine- a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite atomic number 9,F chemical element,element- any of the more than 100 known substances (of which 92 ...
Poulenc. During the course of his work upon the fluorides of phosphorus, M. Moissan observed that, when phosphorus trifluoride was brought in contact with chlorine, the green colour of the latter at once disappeared, and there appeared to be formed a new and colourless gas. The gas thus ...
Fluorite occurs as a skeletal crystals of purple colour and “graphic” intergrowths with calcite up to 5 cm in size (Fig. 2). This type of carbonatite is characteristically enriched in sulfides (predominantly pyrite, ≤5 vol.%, associated with sphalerite, ≤1 vol.% and rare chalcopyrite ...
n [U] alloy of copper and tin or zinc 炮铜; 青铜(铜与锡或锌的合金): [attrib 作定语] gun-metal grey, ie a dull blue-grey colour 铁灰色(暗蓝灰色). gunpoint n (idm 习语) at `gunpoint while threatening or being threatened with a gun 在枪口威胁下: rob a bank at gunpoint 用枪威胁...
The objectives of restoration practices and their suitability are not easily defined, in some cases, the main aim is the stabilisation of the painting on the wall support, while in others the focus is on the restoration of the artwork's original colour with the risk of erasing its historical...
2.1. State of the art of LiBs thermal treatment The thermal pre-treatment can be performed in three alternative ways: incineration, pyrolysis under inert gas, or vacuum pyrolysis. In literature, incineration has been widely studied and the results show it to be highly efficient at removing organi...
solution Uwnasdoerbtaatimneods.pAhefrloewofoNf a2itrhweams bixutbubrleedsoaltutteiomnpweraastuthreesnohfe2a8t0e~d3u2p0 t°oC2in20o °rCdeurntotilgaetculenairfoarnmd colourless sized NCs. The air was bubbled through a glass delivery tube. The tube has multiple pinholes (D =...
Notations in a chess game can result in several compounds like NH3 or ammonia, a very valuable compound which is the source of nitrogen in plants. A. The Ammonia Opening: 1.Nh3 Ammoniais a compoundof nitrogen and hydrogen with the formulaNH3. It is a colourless gas with a characteristic ...