A combination of agronomical and chemical control measures is desirable for its effective control.
农业和化学防治结合，能有效地控制斑潜蝇的为害。
Through correct analysis on iodine source in chemical salt making of Xiangli salt Mine, this paper puts forward measures to control iodine efficiently.
通过对湘澧盐矿化工盐生产过程中碘的来源情况进行正确分析，提出了有效控制碘的措施设想。
Description and analysis on the Phenomenon, damage and Reason of the water Hammer for the Liquid Chemical Terminal, Submit the control and elimination measures.
对水锤现象的危害、原因进行了描述和分析。根据液体化工库产生水锤的特点，提出了控制和消除水锤的措施。
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