有機乙炔 的英文怎麼說
中文拼音 [yǒujīyǐquē]
有機乙炔
英文
organoacetylenide-
Cuprous acetylide takes the form of a russet or reddish-brown powder, insoluble in water and in the majority of organic solvents.
乙炔亞銅是黃褐色的紅棕色的粉末，不溶於水和大多數有機溶劑。Unsaturated alkynyl alcohols, such as dehydronerolidol, dehydrogeranyllinalool, and dehydroisophytol, were prepared by ethynylation of turpentine derivatives, namely terpenylacetones, e. g. geranylacetone, farnesylacetone, and phyton under normal pressure in presence of alkali metal hydroxide and organic solvents
摘要松節油衍生物格萜烯基丙酮，如香葉基丙酮、金合歡基丙酮和植物酮在常壓條件，堿金屬氫氧化物和有機溶劑存在下可發生乙炔化反應，形成對應的， -不飽和炔醇化合物脫氫橙花叔醇、脫氫香葉基芳樟醇和脫氫異植物醇。Calcium carbide is an important primary material for organic synthesis industry. reacted to water, it can produce ethyne for the manufacture of synthetic fiber, synthetic resin, plastic, synthetic rubber, fertilizer, agricultural pesticide, growth hormone for plants, dyes, and solvent etc
電石為基本有機合成工業的重要起始原料，電石與水反應生成乙炔，可用於合成纖維合成樹脂塑料合成橡膠化肥農藥植物生長激素染料溶劑等的製造，也可用於金屬切割與焊接照明等，竭誠歡迎各界選購。Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers
文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔，分別獲得了高產率和高分子量的聚苯乙炔.使用uv ， ir ， nmr ， gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究，詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現，不同聚合物結構對聚合物熒光性能產生很大影響，規整性高的聚合物，將有較高的發光量子效率；聚合物規整性差，將可能導致多個熒光發光結構點，其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息Calcium carbide is an important primary material for organic synthesis industry. reacted to water, it can produce ethy.
電石為基本有機合成工業的重要起始原料，電石與水反應生成乙炔，可用於合成纖維合成樹脂塑料合成橡膠化肥The inletoutlet of acetylene compressor is equipped with an qutomatic stop device to prevent negative or over pressure
乙炔壓縮機進排氣口處設有防負壓和超壓的自動停機裝置。分享友人