问题
名词解释
喷煤的热滞后时间
答案
参考答案:
增加喷煤量调节炉温时,初期煤粉在炉缸分解吸热时炉缸温度降低,直至新增加煤粉量燃烧所产生的热量的蓄积和它带来的煤气量和还原气体浓度的改变,而改善了矿石的加热和还原的炉料下到炉缸后,才开始提高炉缸温度,此过程所经过的时间称为热滞后时间。
喷煤的热滞后时间
参考答案:
增加喷煤量调节炉温时,初期煤粉在炉缸分解吸热时炉缸温度降低,直至新增加煤粉量燃烧所产生的热量的蓄积和它带来的煤气量和还原气体浓度的改变,而改善了矿石的加热和还原的炉料下到炉缸后,才开始提高炉缸温度,此过程所经过的时间称为热滞后时间。
The old woman was wandering in the shop. She was ____36 ___; her clothes were torn; she gave off a strong _____37____ of alcohol (酒精) and cigarettes; most of her teeth were ______38__. The image of a miserable person(可怜人) _____39____ before me. She stopped and asked me for_____40_____. I gave her some change and invited her to lunch. She ______41____, so we went across the street to an outdoor cafe. The waitress was _____42____ by the presence of this woman and didn't want to serve us, but _____43____ herself. The old woman had the lunch so _____44____ that the food disappeared almost as soon as it arrived. When we were ready to leave, I was feeling pretty _____45____ about myself and then she asked for a _____46____. It was then that I had to face all the _____47____ bias (偏见) I had for this woman. I gave her a passing type of hug (应付差事的拥抱), ______48___ I immediately felt shame. She ______49___ me for lunch and began to leave. I stood there for a moment and _____50____ I had failed to give this woman the one thing that ____51_____ nothing —love. I caught up with her and asked if I could give her a _____52____ hug and she agreed. I got past the strong smell and gave her the best hug I've ever given to _____53___ .Now I saw a big smile on her face and it lit my path as we ____54____. The lesson I learned was that if you're going to _____55___, then give it your all and get it right the first time.
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