针对沈阳某用户1台91 MW燃煤层燃热水锅炉实施烟气再循环系统改造后,存在NO_(x)排放指标降低不明显的现象进行了测试,计算及分析研究,查明了烟气再循环系统使用效果不佳的原因,判断主要原因为烟气循环量少,燃烧温度高,流量分布不均等,并给出了相应的解决措施,即控制燃烧温度和实现合理配风,该用户根据解决措施对锅炉进...
摘要: 关键词:苯佐卡因;合成方法;图解苯佐卡因(benzocaine)是一种白色针状晶体,化学名为对氨基苯甲酸乙酯,分子式为C9H11NO2,分子质量为165,熔点为89～91℃,CAS号是94-09-7,微溶于水,略溶于脂肪油,易溶于乙醇,氯仿,乙醚等有机溶剂.苯佐卡因是一种非水溶性局部麻醉药,具有止痛,止痒的作用,还有许多优良...
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来自 百度文库 喜欢 0 阅读量: 21 专利类型: 外观设计 申请(专利)号: CN202030383531.X 申请日期: 20200715 公开/公告号: CN306451339S 公开/公告日期: 20210409 申请(专利权)人: 成都极米科技股份有限公司 发明人: 顾永忠 国省代号: CN510107 ...
THIS BUFFER TANK 16, INTENDED FOR A REFRIGERATION SYSTEM COMPRISING COMPRESSORS 1, 2, A CONDENSER 10 AND EVAPORATORS 26 TO 29, SHAPES A CHAMBER 17 OF REFRIGERANT LIQUID. A DIRECT FLOW PIPE 50, THROUGH THIS CHAMBER, HAS AN INPUT 51 TO RECEIVE THE REFRIGERANT LIQUID FROM THE CONDENSER AND ...
作者: 鲁建 摘要: 前人运用智慧和创造力建造了一个又一个豪华的城市.沧海桑田,远古的城市有的尘封于地下,难见天日;有的化为废墟,与枯草乱石结伴.残垣断壁,空对风雨,千年的繁华隐没于时光之中,空留后人嗟叹不已.从欧洲的克诺索城和庞贝城,非洲的泰贝特,到中东的巴比伦,亚洲的吴哥窟,还有美洲的马丘比丘……这...
Bacillus brevis ATCC 9999, which produces gramicidin S, was found to be unable to ferment various carbohydrates such as glucose, galactose, mannose, lactose, maltose, sucrose, and mannitol. This defect in carbohydrate utilization was attributed to the lack of the transport system(s) for various ...
This study investigated the difficulties that single caregivers face while providing home health care for a parent while continuing to work. Semi-structured interviews were conducted with 9 single caregivers who balanced working while providing home health care for more than 3 months for a parent disc...