1)HFC-227ea七氟丙烷
1.The Pipeline Flow Property of the HFC-227ea;七氟丙烷(HFC-227ea)灭火剂管路流动特性
2.Numerical simulation of the flow field in a curved rectangular tube for the HFC-227ea fire system;七氟丙烷(HFC-227ea)灭火系统管路流场数值模拟
3.Probe into the HFC-227ea gas fire-extingui-shing system applied in the diesel locomotives;七氟丙烷灭火系统在铁路内燃机车上的应用
英文短句/例句
1.Comparing properties of heptafluoropropane substituted for bromotrifluoromethane extinguisher;七氟丙烷替代三氟溴甲烷灭火剂性能比较
2.Design of Clean Gas Fire Extinguishing System--HFC-227ea System;洁净气体灭火系统——七氟丙烷系统产品设计
3.On conduit purge and pressure test of the seven flourin propane fire extinction system论七氟丙烷气体灭火系统的管道吹扫与试压
4.Application of seven flourin propane gas fire extinction system in the project七氟丙烷气体灭火系统在工程中的应用
5.Normal design fault and improvement of heptafluoride propane extinguishing system七氟丙烷气体灭火系统常见设计失误与改进
6.Study on the Engineering Design Parameters and Calculation Method of FM-200 Gas Fire Extinguishing System;七氟丙烷(FM-200)气体灭火系统工程设计参数及计算方法的研究
7.Comparison on the Condition for Laryngeal Mask Airway Insertion Obtained by Sevoflurane VCB Inhaled七氟烷与丙泊酚麻醉诱导喉罩置入条件的比较
8.Comparative Study of Neuromuscular Blocking Effects of Cisatracurium During Sevoflurane and Propofol Anesthesia七氟烷和异丙酚对顺式阿曲库铵药效学的影响
9.Comparison of Sevoflurane with Propofol in Potentiation for Potency and Neuromuscular Effect of Cisatracurium七氟烷和丙泊酚对顺式阿曲库铵药效学影响的对照研究
10.The observation of sevoflurane compound with propofol for anaesthesia in children minimally invasive heart surgery七氟烷联合丙泊酚用于小儿微创心脏手术的麻醉效果观察
11.Comparison of Propofol/Remifentanil and Sevoflurane/Remifentanil for Maintenance of Anaesthesia瑞芬太尼复合丙泊酚或七氟烷全麻维持效果的比较
12.Comparison between Propofol and Sevoflurane during Operation with Suspension Laryngoscopy七氟烷与丙泊酚在支撑喉镜术麻醉中应用的比较
13.Compare of the effect of laryngeal mask airway (LMA) insertion in adult anaesthesia with sevoflurane and propofol七氟烷和丙泊酚用于成人麻醉诱导放置喉罩通气道的效果比较
14.Clinical effects of sevoflurance inhalation or propofol combined with sufentanil on cardiovascular responses for induction during general anesthesia七氟烷或丙泊酚复合舒芬太尼全麻诱导对心血管反应的影响
15.Comparative study on the post-anesthetic awakening time after sevoflurane or N_2O combined with propofol-remifentanil anesthesia七氟烷或氧化亚氮联合丙泊酚-瑞芬太尼麻醉苏醒过程的比较
16.Comparison of recovery times from anesthesia with propofol and sevoflurane in obstructive jaundice patients梗阻性黄疸患者丙泊酚和七氟烷麻醉术后苏醒时间的比较
17.Effects of Propofol Target Controlled Infusion and Sevoflurane Anesthesia on Cisatracurium丙泊酚靶控输注和七氟烷吸入对顺式阿曲库铵药效学的影响
18.Anesthesia with emifentanil/small-dose rocuronium combined with sevoflurane or propofol in extracting foreign body in esophagus瑞芬太尼-小剂量罗库溴铵复合七氟烷或异丙酚的麻醉对比研究
相关短句/例句
heptafluoropropane七氟丙烷
1.Comparing properties of heptafluoropropane substituted for bromotrifluoromethane extinguisher;七氟丙烷替代三氟溴甲烷灭火剂性能比较
2.Discuss the toxicity of heptafluoropropane and test method based on animals about toxicity of heptafluoropropane and perfluoroisobutylene.讨论了七氟丙烷灭火剂的毒性 ,对七氟丙烷灭火剂和全氟异丁烯的毒性以动物试验方法进行了研究。
3.Heptafluoropropane fire extinguishing system and the use of the characteristics of the function;pointed out that the use of heptafluoropropane fire extinguishing agent that can effectively control the fire,and environmental protection,economic,and is ideal for protection of electrical,magnetic media,paper files or high-value treasures and equipment.介绍了七氟丙烷灭火系统的功能和使用特点;指出使用七氟丙烷灭火剂,能有效地控制火灾,且环保、经济,非常适合保护电器、磁介质、文件档案或高价值的珍品及设备。
3)H heptafluoropropane七氟丙烷
1.A kind of catalysts for preparing the 2H heptafluoropropane (F 227) by the hydrofluorinaton in a gas solid phase reaction system was studied in detail.对于气固相氢氟化反应制备七氟丙烷的催化剂 ,进行了系统的研究。
2.H heptafluoropropane (F 227) was prepared from hexafluoropropene (HFP) and HF by a continuous hydrofluorinating reaction in a gas solid phase system, and the technology was systematically studied.以六氟丙烯为原料 ,经连续气固相氢氟化反应制备了七氟丙烷 ,并对工艺参数进行了系统的研究。
4)heptafluoropropane(FM200)七氟丙烷(FM200)
5)FM-200七氟丙烷气
6)1,2,2-heptafluoropropane1,2,3,3-七氟丙烷
延伸阅读
七氟丙烷分子式:CF3CHFCF3分子量:170.00CAS号:431-89-0性质:七氟丙烷(HFC-227ea)在常温常压下为无色、几乎无味、不导电的气体,其密度大约是空气的6倍;在其自身压力下为无色透明的液体,无毒不燃,无腐蚀性,具有良好的热稳定性和化学稳定性。沸点-16.4℃,液体密度(21℃)1403kg/m3,凝固点:-131.1℃。制备方法:暂无用途:由于其灭火效能高,毒性低,对大气臭氧层无破坏性、对使用现场无污染,它被认为是哈龙1301的一种理想替代品,已被美国国家防火协会列入NFPA2001灭火用品标准。另外,七氟丙烷还被用作致冷剂和医用喷射剂。
