世卫组织建议旅行者在其医疗箱中包括口服补液盐。
WHO recommends that travellers include oral rehydration salts in their medical kits.
介绍了盐雾试验箱的构造，工作原理和试验方法，并探讨了涂层在循环腐蚀试验中的诸多影响因素。
This article has described the structure, operation principle and test method of salt spray cabinet, and discussed various factors that influence the cycle corrosion test.
通过对不同厚度淤泥水中氮营养盐的测定和分析，初步研究了不同厚度淤泥对水族箱水质环境中氮营养盐的影响。
This paper deals with the influence of a humus layer of different thicknesses on the water quality environment by measuring and analyzing the concentration of nitrogen nutritional salts.
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