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the trend of increase in the content of particles and nitrite oxides in the air in urban environment has been stated as well as the necessity to take measures for prevention of pollution in certain locations.
城市环境空气中的粒子和亚硝酸氧化物含量增加的趋势已经宣告，并表示必须采取措施防止某些地区的污染。
vertical profiles of toc, nutrients including phosphate, nitrate, nitrite and silicate as well as temperature, salinity and dissolved oxygen concentration are necessary.
需要绘制有机碳总量,包括磷酸盐、硝酸盐、亚硝酸盐和硅酸盐等营养物以及温度、含盐量和溶解氧浓度的垂直剖面图。
vertical profiles of toc nutrients, including phosphate, nitrate, nitrite and silicate, as well as temperature, salinity and dissolved oxygen concentration, are necessary.
应绘制有机碳总量，包括硝酸盐、亚硝酸盐、磷酸盐和硅酸盐等营养物以及温度、盐度和溶解氧溶度的垂直剖面图。
dissolved oxygen concentration as well as nutrients including nitrate, nitrite, phosphate and silicate, and total organic carbon (toc) are to be measured.
需要测量溶解氧浓度及营养物,包括硝酸盐,亚硝酸盐,磷酸盐和硅酸盐,以及有机碳总量。
the report elucidates the methodology used for, inter alia, sediment sub-sampling, analysis of nitrite, phosphate, silicate, nitrate and sediment chemistry.
报告特别说明了沉积物部分取样和亚硝酸盐、磷酸盐、硅酸盐、硝酸盐及沉积物化学分析的方法。
additionally, water qualities (dissolved oxygen, alkalinity, phosphate, ammonium, nitrite, nitrate, total organic carbon and heavy metals were measured.
此外，还测量了水环境质量(溶解氧、碱性、磷酸盐、铵、亚硝酸盐、硝酸盐、有机碳总量和重金属)。
3. a third group, consisting of two inspectors, met with the national monitoring directorate to discuss the material balance for rdx and b-nitrite at the qa'qa' and hittin companies.
3. 第三组：该组由2名视察员组成，在国家管制局进行了会谈，讨论了al-qa'qa和hittin两家企业库存（环）四亚甲基四硝胺炸药和bnitrite问题。