常見例句雙語例句Abstract The influence of fineness on the reactive degree of fly ash in fly ash-cement system was researched by selective solution method.摘要 采用選擇溶解法研究了粉煤灰細度對石景山粉煤灰以及寶鋼粉煤灰反應程度的影響。His giant salmon are divided into three categories: fish weighing over 50lb (22.7kg) and caught on the fly, and fish of 50-60lb and over 60lb caught by any method.布勒把大型鮭魚被分為三個種類:50磅(22.7公斤)捕捉方式為拋釣,50-60磅以及超過60磅的捕捉方式不限。The ultramicro 4A-zeolite is synthesized with the fly ash by melting-hydrothermal method, and compared with common A-zeolite by XRD, SEM and laser granulometric analysis.以粉煤灰為原料,采用加堿熔融-水熱合成法制備超微4A沸石,并采用XRD、SEM和激光粒度分析等手段將合成結果與常規(guī)4A沸石進行了對比。 返回 fly-by-method