1.
Analysis and controlling measure on variation of precipitation pH in Yinchuan from 2001 to 2007
2001—2007年银川市降水pH值变化分析及控制措施
2.
Analysis on Change and Cause of pH Values of Precipitation in Jishou City Last 16 years
吉首市16年降水pH值变化特征及成因分析
3.
Determination of pH value of the wet precipitation-Glass electrode method
GB/T13580.4-1992大气降水ph值的测定电极法
4.
The Characteristic Analysis of Precipitation and Forecast of pH Value in Acid Rain in Qingdao;
青岛市降水特征分析与酸雨pH值预测
5.
EFFECTS OF pH VALUE ON THE REDUCTIVE DEGRADATION OF NITROBENZENE IN SIMULATED GROUNDWATER BY ZERO-VALENT IRON
pH值对零价铁还原降解模拟地下水中硝基苯的影响
6.
Pure water is neutral and has a PH of 7.
纯水是中性的，ph值是7。
7.
methods for determination of ph of aqueous solutions
水溶液ph值的测定法
8.
determination of ph value of an aqueous suspension
水悬浮液ph值的测定
9.
Biodegradable Anti-adhesion Composite Membranes with Steady pH Value;
pH值稳定的生物可降解防粘连复合膜
10.
During an algal bloom the PH of the water can be as high as 10.
藻类水华期间，水的ph值可高达10。
11.
Study on the Water Absorbing Character of Super Absorbent Polymer under Different pH Values
保水剂在不同pH值下的吸水特性研究
12.
Excess CO2 can decrease the solution pH, inhibiting microbial growth.
过量的co2降低溶液的pH值,抑制微生物的生长。
13.
Influence of pH on Ectoenzymes Activity Excreted from Pathogens of Chinese Chestnut Seed Rot;
pH值对栗实腐病病菌分泌的胞壁降解酶的影响
14.
Degradation of Antibiotic in Erythromycin Plasma Waste by Adjusting pH
pH值调节对红霉素膜浆中抗生素的降解作用
15.
Current Situation of pH and Wet Deposition of Heavy Metals in Precipatation in Changchun City,China
长春市城区大气湿沉降中重金属及pH值调查
16.
Water quality--Determination of pH value--Glass electrode method
GB/T6920-1986水质ph值的测定玻璃电极法
17.
Determination of pH value of an aqueous suspension of pigments
GB/T1717-1986颜料水悬浮液pH值的测定
18.
Location of the pH Value of Precipitation in the Whole country in 2001
2001年度全国将水ph值分布