To establish the thermal stability the films were annealed for a second time in a vacuum oven purged with argon gas. The temperature was raised to 500 °C, at 3 °C /min, and dwelled at this peak for 1 h, with a chamber pressure of 1.5 × 10−6 Torr. 3. Results and ...
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For Abstract see ChemInform Abstract in Full Text. MA Collins - 《Cheminform》 被引量: 266发表: 2003年 Proton transport in the catalyzed gas-phase isomerization of protonated molecules Recent theoretical and experimental results for selected ions and ion/molecule reactions are examined which provide ...
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Using (Hf)PCN-224(Co) as model catalyst, CO2 cycloaddition conditions were optimized (mol% MOF and cocatalyst, time and gas pressure) using epichlorohydrin. Other PCN materials were also prepared here following other procedures already described in the literature: (Zr,Hf)PCN-222(H2) and (Zr)...
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如东宏信机械制造有限公司创办于2002年,位于江苏省南通市如东县新林工业园区内,占地56000平米,拥有各种数控加工检测设备,和近100名的熟练技工、研发及管理人员。 在ISO9001质量管理体系模式下,公司配备精良的设备和先进的技术,自主研发和生产了各类气流体内动力机械设备,如气动马达,气动绞车,气动搅拌机,气动葫芦等气动系列...
• A gas cylinder has been adopted for all compressed gases. • An upper body image with a star on the chest denotes long term health hazards. In order from top left to bottom right the symbols are: • Dangerous to the environment • Toxic • Gas under pressure • Corrosive ...
Thermal barrier coatings (TBCs) play an increasingly important role in ultra-high temperature applications of advanced gas-turbine engines used for aircraft propulsion and power generation [1], [2]. However, the state-of-the-art thermal barrier coating materials, 7–8 wt% yttria-stabilized zir...
(e.g., a blood pressure cuff or an implantable sensor), an electrocardiogram (“ECG”) sensor, an accelerometer, an activity sensor (e.g., an piezoelectric accelerometer, or other sensor), an intrathoracic impedance sensor, an acoustic sensor, a respiration sensor, a blood gas (e.g., ...