氟原子 的英文怎麼說
中文拼音 [fúyuánzi]
氟原子
英文
fluorine atom-
Presumably both the very small size and activating influence of fluorine atoms contribute to this exception.
這大概是由於氟原子半徑小和活性高這兩個原因的影響,氟原子對這種例外做出了貢獻。When an oxidizing plasma is run in a system coated with fluorocarbon film, a substantial quantity of f atoms is released in the plasma.
當氧氣等離子體在覆蓋有氟碳薄膜的系統中起輝時,就會有相當數量的F原子在等離子體中釋放。Scientists discovered that high flying supersonic jet aircraft, atomic weapons testing, chemicals such as cfcs chlorofluorocarbons and halons are among the first of the culprits
科學家們發現:高飛的超音波噴射機原子武器試爆以及cfc chlorofluorocarbon氟氯碳化物和海halon全鹵化碳氫化合物都會破壞臭氧層!The factory has possessed advanced production equipments and wire cable check equipment at domestic. first class technology will provide you wire cable with fluorin polymer used in in aviation spaceflight, electric cables, control cables, computer cables, compensatory wire cables, fire - proof cables with high temperature, general plastic cables that classified into sixteen species and over one thousand specifications. cables for " hongyuan " brand are widely used in the fields of spaceflight, national defence, electric petroleum chemistry, steel, public establishments, environmental perfection and architecture. temperature - proof cables with " hongyuan " brand were awarded with famous products in 2001 which are widely sold all through the world and have been won customers trust
一流科技力量為您提供航天用含氟電線電纜電力電纜耐熱防腐硅橡膠電纜耐高溫電纜控制電纜計算機網路電纜補償用電線電纜船用電纜橡套電纜阻燃防火電纜等十六大類,一千多種規格產品,並可根據擁護特殊要求,自行設計生產,以滿足顧客要求,多年來「宏源」牌電線電纜廣泛用於航空航天國防軍工電子原件電力石化鋼鐵冶金公共設施環保建築等領域,深受廣大用戶高度評價和信賴。This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and
本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,選擇輕型鏡坯材料;用有限元法對鏡子的變形進行分析、計算,找出變形規律,優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,選擇合理工藝技術參數,完成400mm平面鏡輕量化減重孔的加工;分析氫氟酸腐蝕光學玻璃機理,尋找最佳酸濃度、腐蝕作用時間等工藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離器加工原理和工藝技術特點,完成400mm平面輕型鏡面形加工。Determination of manganese content in fluorspar for export - flame atomic absorption spectrometric method
出口氟石粉中錳含量測定方法火焰原子吸收分光光度法Fourth, the advanced surface analysis technique - x ray photoelectron spectrum is employed to study the adsorption of soluble - starch on the pvdf membrane. then we test by using xps combined with sem the original sample, the fouled sample and the washed sample with rubber sponge balls
第四,採用x射線光電子能譜( xps )技術分析了可溶性澱粉在聚偏氟乙烯膜表面的吸附,並將xps技術與電子顯微鏡技術相結合,對原始樣品、污染樣品和海綿橡膠球清洗樣品進行了測試和分析。In this paper, fluorocarbon films are deposited on polyetylene terephalate ( pet ) substrate by radio frequency magnetron sputtering polytetrefluoroethylene ( ptfe ) targets to examine the effect of discharge condition on the properties and mechanism of deposited films. the effect of the power, pressure and treating time on morphology is observed by means of scanning electron microscopy ( sem ) and atom force microscopy ( afm ). it is found that the fluorocarbon film particles distribute more uniform and join tightly with increasing power, the surfaces of films become closer and denser as pressure increases
利用掃描電鏡( sem )和原子力顯微鏡( afm )研究了成膜機理以及cf膜的表面形貌,觀察了不同功率、壓力和時間下對氟碳膜表面形貌的影響,系統研究了氟碳膜表面結構隨功率和壓力的變化規律,發現功率提高使得氟碳膜顆粒分佈均勻,結合更加緊密,而提高壓力,氟碳膜的顆粒更加密集,並且濺射條件不同,粒子的形態、粒子間構成的介觀結構也不相同。When an oxidizing plasma is run in a system coated with fluorocarbon film, a substantial quantity of f atoms is released in the plasma
當氧氣等離子體在覆蓋有氟碳薄膜的系統中起輝時,就會有相當數量的f原子在等離子體中釋放。Fluorosurfactants basically consist of chains of carbon atoms surrounded by fluorine
含氟界面活性劑的基本結構是碳原子形成的長鏈,周圍環繞許多氟原子。Cfc molecule consisting of chlorine, fluorine, arid carbon atoms can be broken apart by ultraviolet light, which destroys the bond between a chlorine atom and a carbon atom
一個由氯、氟和碳組成的氯氟化碳分子能被紫外線光分解,這破壞了一個氯原子和一個碳原子之間的化學鍵。Hydrogen bonding takes place between oxygen, nitrogen, or fluorine atoms on one molecule, and a hydrogen atom joined to oxygen, nitrogen, or fluorine on the other molecule
氫鍵發生在氧、氮或依賴于其他分子的氟之間,一個氫原子把氧、氮或依賴于其他分子的氟連接在一起。Long - chain fluorosurfactants, based on a lineup of eight carbon atoms ( c8 ), enter the body more readily than shorter analogues, and they can break down to form pfoa
所謂的長鏈含氟界面活性劑是指八個碳原子排成一列( c8 ) ,會比碳鏈較短的類似化合物更容易進入生物體內,而且會分解形成pfoa 。Fundamental research has been carried out to use natural fibers, such as cotton, rice husk and straw, which are abundantly available and relatively cheap, to synthesize anion - exchange fibers for the removal of arsenic and fluorine from wastewater
在我們開展的前期研究中,著眼于利用天然纖維素,如棉花、稻草殼、秸稈等來源廣泛且經濟廉價的原料,合成新型陰離子交換纖維,可望在廢水處理中對砷、氟等陰離子起到高效的交換吸附作用。分享友人