1) Ph2+
Ph~（2+）
2) Pb~(2+)-based aggregates
Ph~（2+）基聚集相
3) pH
pH
1.
In Situ Measurement of Chloride Concentration and pH Distribution in the Crevice during the Crevice Corrosion of Copper Electronic Board;
铜电路板缝腐蚀过程缝隙中pH、Cl-浓度分布的测量
2.
ISO10390:2005 Soil Quality-Determination of pH;
ISO10390:2005土壤质量pH的测定
3.
Productions Analyses and pH Dynamics During Rice Straw Degradation by the Lignocellulose Degradation Bacteria System WSC-6;
木质纤维素分解菌复合系WSC-6分解稻秆过程中的产物及pH动态
4) soil pH
pH
1.
Soil pHs in the tea gardens in Jiangsu, Zhejiang, and Anhui provinces and changes of soil pH in the past decade;
苏、浙、皖茶区茶园土壤pH状况及近十年来的变化
5) Lead(Ⅱ)
Ph（Ⅱ）
6) pH value
pH
1.
The investigation and significance by examining pH value and smear of dejecta for intestinal flora maladjustment;
粪便pH和涂片检查肠道菌群失调的研究及意义
2.
Effects of Temperature and pH value on the growth of Laribacter hongkongensis GRA1 strain;
温度和pH对香港海鸥型菌GRA1株生长的影响
3.
Influence of feedwater conductivity and pH value in RO systems;
反渗透系统给水电导率与pH的系统影响
参考词条
补充资料：聚集经济（聚集利益）（聚集效应）
n聚集经济（聚集利益）（聚集效应）是指由于某工业部 n门向某特定地域集中新产生的供生产成本降低的效果。因为分工协作，扩大生 产规模，节约使用基础设施等会降低生产成本。 n
说明：补充资料仅用于学习参考，请勿用于其它任何用途。