空氣乙炔 的英文怎麼說
中文拼音 [kōngqìyǐquē]
空氣乙炔
英文
air-acetylene-
Air acetylene welding
空氣乙炔焊The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200
確定了制備空氣電極的優化工藝條件，催化層中ptfe含量約20 ， mno _ 2的最佳含量約為20 ，催化層中活性炭和乙炔黑的比例為4 ： 1 （質量比） ，厚度在0 . 15 - 0 . 25mm之間。防水透氣層中ptfe的含量約為60 ，以無水硫酸鈉作為造孔劑，厚度一般為0 . 35 - 0 . 45mm 。電極各層採用催化層/防水透氣層/集流體的排布方式，冷壓成型，熱處理對空氣電極的性能影響較大，熱處理溫度不低於200 。In this article, the measurement method of hydrocarbon especial ethyne concentration in air separation by using the gm600fid gas chromatogram are introduced
摘要介紹用gm600型fid氣相色譜儀檢測空分裝置中碳氫化合物，特別是乙炔含量的方法。Huizhou jiuce industrial gases co., ltd. ( " jcig " ) lying at lilin town huizhou guangdong is a hi - tech enterprise of producing and selling chemical gases ( acetylene : c2h2 ) and air products ( oxygen, nitrogen and argon gas ), with an area approximating 50000 ?
惠州市久策工業氣體有限公司（簡稱「久策氣體」 ）位於廣東省惠州市瀝林鎮，佔地面積近50000 ? ，是一家以化工氣體產品（乙炔c2h2 ）和空氣產品（氧、氮、氬）生產及銷售的高新技術企業。The oxygen in high - pressure and small - volume cylinder and soluble acetylene in small - volume cylinder are easy for carrying ; they are mainly used in overhead operation, small working space and the work of little quantity
小容積高壓氧氣鋼瓶和小容積溶解乙炔氣鋼瓶氣體，其便於攜帶、主要在高空作業、狹窄埸所和工程工作量少的地方使用。1 in air separation, liquid carbon dioxide, dissolved acetylene and cylinder filling plants, various chemicals are used for such operations as purifying, cooling, drying, water treatment, cleaning, etc.
在空分、液態二氧化碳、溶解乙炔和氣瓶充裝車間，在生產中均會用到各種化學品，它們被用於純化、冷卻、乾燥、水處理和清洗等。A new type of metal welding gas cooperatively developed by wuhan university chemical industry research acaddemy and aviation technology research office of wuhan shidai of science has achieved the substantial examination of state patent bureau, which is a favorable opening for the hard development of more than 2000 acetylene production plants and meanwhile has solved a series of problems that the new patterend welding gas of the same kind can cut while cannot weld the fuel gas and has slow startup, large oxygen consumption, narrow scope in choosing materiels and difficulty in filling the modifier with pressure, etc
武漢大學化工研究所和武漢時代科學院航空技術研究所聯合研製的一種新型金屬焊割氣已獲國家專利局實質性審查，這對我國2000多家乙炔生產廠家的艱苦該是一個良好的開端，同時也解決了同類新型焊割氣能割不能焊燃氣起步慢，耗氧量大，選用母材窄，改性劑不易帶壓灌裝系列問題。( 3 ) a testing system consisting of pressure transducers, data - collecting card, computer and electrical - ignition instrument was designed and a flammable gas cloud deflagration experimental system was developed. based on the orthodoxy experiments, the experiments was conducted on c2h2 - air flame acceleration resulted from hemispherical porous barriers in hemispherical gas cloud. the relations between the explosion overpressure and its influence factors were summarized
（ 3 ）本文設計了由壓力變送器、數據採集卡、計算機和電火花裝置組成的測試系統，建立了可燃氣雲爆燃實驗系統；以化學計量濃度的乙炔-空氣混合物為實驗介質，在正交實驗的基礎上，對半球形氣雲內部與氣雲同心的半球形多孔障礙物對火焰的加速作用進行實驗研究，並歸納出爆炸超壓與其影響因素之間的關系；同時還考察了障礙物數量對爆炸超壓的影響。分享友人