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[求助]
求大神翻譯一小段英語、急急急!!!
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The AZT and AZTn samples (samples “1”) were sintered in air at 1650 °C with a holding time of 2 h. In order to determine suitable thermal conditions for the formation of aluminum titanate (samples “2”), the green bodies prepared from the Al2O3/TiO2 powder mixture were heat-treated in air at two different temperatures (1500 °C and 1650 °C) and holding times (2 h and 4 h). The crystalline phase content in the heat-treated samples was analyzed by X-ray diffraction. Based on the results, which will be presented in the “Results and Discussion” section, 1650 °C and 4 h holding time were chosen for the synthesis of Al2TiO5. The same temperature and holding time were used for sintering the spinel samples containing pre-synthesized Al2TiO5 and the pure spinel samples (samples “3”). For investigating their resistance to thermal shock, the sintered AZT, AZTn, and spinel samples were heated for 15 min at 950 °C, 1150 °C, or 1200 °C and then quenched by plunging in water which had a temperature of 25 °C. The mechanical strength of as-sintered samples and of samples after one and after five quenching cycles were measured by three-point bending tests (testing instrument TIRAtest 2420, Germany). |
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cmds1907
鐵桿木蟲 (著名寫手)
- 翻譯EPI: 73
- 應(yīng)助: 72 (初中生)
- 金幣: 10669.3
- 散金: 3999
- 紅花: 17
- 帖子: 2100
- 在線: 530小時
- 蟲號: 3346786
- 注冊: 2014-07-31
- 專業(yè): 有機分子功能材料化學
【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★
根本停不下: 金幣+10, 翻譯EPI+1, ★有幫助 2014-09-14 14:39:49
根本停不下: 金幣+10, 翻譯EPI+1, ★有幫助 2014-09-14 14:39:49
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AZT和AZTn樣品(樣品“1”) 的燒結(jié)是在空氣中1650°C和保持時間2小時。 為了確定形成鈦酸鋁(樣本“2”) 合適的熱條件，從氧化鋁/二氧化鈦粉末混合物制備生坯(未燒試樣)，在空氣中以兩種不同溫度(1500°C和1650°C)熱處理且保持時間(2 h和4 h)。熱處理樣品的結(jié)晶相含量由X射線衍射分析(確定)�；谶@些結(jié)果，它將在“結(jié)果與討論”部分呈現(xiàn)，1650°C和4h保持時間被選擇做Al2TiO5的合成。 同樣的溫度和保持時間被用于燒結(jié)含預合成Al2TiO5的尖晶石樣品和純尖晶石樣品(樣品“3”)。 為研究他們的抗熱沖擊，燒結(jié)的AZT，AZTn和尖晶石樣品在950°C、1150°C和1200°C加熱15分鐘，然后浸入25°C水中淬火。該燒結(jié)樣品和1和5淬火周期后樣品的機械強度，由三點彎曲試驗(測試儀器TIRAtest 2420，德國) 測量。 |
2樓2014-09-14 14:31:23
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