采用堆肥池，以硫酸、磷酸、硫酸铝、硫酸钙、氯化钙、过磷酸钙作为化学改良剂，研究了化学改良剂对稻草猪粪堆肥氨气挥发累积规律和腐熟进程的影响。
Sulfuric acid, phosphoric acid, aluminum sulphate, calcium sulphate, calcium chloride and superphosphate were selected as chemical amendments for co-composting of pig manure and straw.
饮用水；挥发性卤代烃；氯仿；四氯化碳。
Study on the levels of volatile halogenerated hydrocarbon in drinking water in Linyi City.
工作面要经过49个挥发性和非挥发性的化学物质的测试，包括从醋酸戊酯到氯化锌；
A list of 49 volatile and non-volatile chemicals ranging from Amyl Acetate to Zinc Chloride;
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