This method not only considers the fuzziness of water quality classification limit but also enhances the precision and the utilization ratio of information.
该方法不仅注意到水质分级界限的模糊性,而且信息利用率和精度均有较大幅度的提高。
The PAHs density is far higher than the limit of"environmental quality standard of surface water"which proves that PAHs pollution of the Meiliang bay source water is serious comparatively.
其中梅梁湾水源地水体中苯并(a)芘浓度远高于《地表水环境质量标准》规定的要求,说明梅梁湾水源地受苯并(a)芘的污染较为严重。
Due to the behindhand economic and natural limit, all the problems about water shortage, water quality safety and non-convenient transportation need be settled immediately.
由于落后的经济自然条件限制,如何妥善解决关于水资源短缺,水质安全保障和不发达的交通问题都是当务之急。
Pharmacopeia method was used in water soluble extractives and limit test for heavy metals and total ash and acid-insoluble ash to test the quality in Lumbricus from different origin.
采用药典方法分别测定浸出物、总灰分和酸不溶性灰分和进行重金属检查,综合考察不同产地地龙的内在质量。
When the concentration of coexistent ion was 10 times the quality limit value of drinking water, there was no interference to the measurement.
共存离子浓度为生活饮用水水质限值的10倍浓度条件下,不干扰测定。
When the concentration of coexistent ion was 10 times the quality limit value of drinking water, there was no interference to the measurement.
共存离子浓度为生活饮用水水质限值的10倍浓度条件下,不干扰测定。
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