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ph值     
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  ph value
    A Study on the Prodution Technology of Potassium Perchlorate(Ⅲ)——the Control of pH Value in the production
    高氯酸盐生产工艺研究(III)——生产过程中的pH值控制
短句来源
    Predicting Model of Acid Rain pH Value in :Atmospheric Precipitation with Grey System Theory GM(1, 1)
    用灰色系统理论GM(1,1)建立大气降水中酸雨pH值的预测模型
短句来源
    THE BUILDING OF CALCULATION MODEL OF THE pH VALUE OF PRECIPITATION WITH GREY SYSTEM THROEY
    用灰色系统理论GM(1,1)建立大气降水pH值的预测模型
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    The Effect of Temperature and pH Value on Carbetamide Hydrolysis Rate
    温度和pH值对雷克拉水解速率的影响
短句来源
    DESIGN OF AUTO—CONTROL SYSTEM FOR PH VALUE OF ACIDIC SEWAGE
    酸污水pH值自动控制系统设计
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  ph
    Annual Average Precipitation pH in Japan
    日本各地雨水年平均pH值的计算法
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    AUTOMATIC DETECTION AND REGULATION OF pH OFNEUTRAL REACTION PROCESS IN WASTEWATER RROCESSING
    废水处理中和反应过程pH值的自动检测与调节
短句来源
    A Study on the Prodution Technology of Potassium Perchlorate(Ⅲ)——the Control of pH Value in the production
    高氯酸盐生产工艺研究(III)——生产过程中的pH值控制
短句来源
    Predicting Model of Acid Rain pH Value in :Atmospheric Precipitation with Grey System Theory GM(1, 1)
    用灰色系统理论GM(1,1)建立大气降水中酸雨pH值的预测模型
短句来源
    THE BUILDING OF CALCULATION MODEL OF THE pH VALUE OF PRECIPITATION WITH GREY SYSTEM THROEY
    用灰色系统理论GM(1,1)建立大气降水pH值的预测模型
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  ph values
    THE INFLUENCE OF PH VALUES AND TEMPERATURE ON DENITRIFICATION
    pH值、温度对反硝化的影响
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    Analysis of the Changing Trends and Characteristics of pH Values of Precipitation in Duyun City
    都匀市降水pH值的变化趋势及特征分析
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    The oxidation reaction rate of toluene by O3 or O3/H2O2 increased remarkably with the elevation of pH values.
    随着pH值增加,甲苯在O3和O3/H2O2中的氧化速率进一步加快。
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    The results show that in normal temperature rotation and airiation,with pH values as 4,iron-carbon rations(volume) as 1,reaction time as 60 min and added quantitative copper chips,color removal rate is above 95% and COD removal rate is above 75%.
    结果表明,在常温搅动曝气、pH值为4、铁碳比(体积比)为1、60min和加入适量铜屑的条件下,废水的脱色率可达95%以上,CODCr去除率达75%以上。
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    The biosorption capacity of 4-CP was 6.675(mg/g) at pH 2.25,while it was only 0.260(mg/g) at pH 10.27.The equilibrium isotherm of 4-CP biosorption by anaerobic granular sludge was investigated at different pH values,and the results showed that the biosorption behavior of 4-CP could be described by the Langmuir model quite well.
    pH为2.25时,吸附量为6.675 mg/g,而当pH为10.27时,吸附量仅为0.260 mg/g. 不同的pH值下,4-氯酚在厌氧颗粒污泥上的吸附行为可以很好地用Langmuir吸附等温方程来描述.
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    Cooperating with oxidation(H2O2),tourmaline can efficiently make the argazol blue BF-BR dyeing wastewater decolored. The decoloration rate of argazol blue BF-BR increases,with tourmaline dosage,oxidation dosage,temperature and contact time increasing. At pH=2 and 12,decoloration rate reaches maximum.
    在氧化剂(H2O2)的协同作用下,电气石对雅格素蓝BF-BR染料废水具有良好的脱色能力,脱色率与电气石用量、氧化剂用量、水浴温度、作用时间呈正相关性,溶液pH值为2和12时,脱色率最大。
短句来源
    Uv/fenton treatment on high consistency terpenoid fragrance wastwater and the influence factors,such as pH、、[Fe(2+)]、reaction time,are studied. And then the optimal operating conditions are determined: pH=3、H2O2/ COD(cr)=1.4、[Fe(2+)]=8g/l、reaction time is 100 min. Under these conditions,the COD removal is above 84%.
    采用uv/fenton试剂处理高浓萜类香料废水进行了初步研究,探讨了pH值、H2O2用量、Fe2+浓度、反应时间等因素对COD去除率的影响,确定了最佳处理条件:pH值3,H2O2/CODcr=1.4,Fe2+投加量8g/l,反应时间100min,其COD去除率超过84%。
短句来源
    mg/L,BOD5=24? mg/L and pH=8.6 in effluent. As compared to the single process of BAF,the combined processes are capable of increasing all result data about CODcr,SS,BOD5 and pH.
    结果表明:在原水水质CODcr=672 mg/L、SS=200 mg/L、BOD5=576mg/L、pH=6.1时,出水CODcr=52 mg/L、SS=10 mg/L、BOD5=24 mg/L、pH=8.6.相对于单独使用BAF,组合工艺对CODcr,SS,BOD5,pH值的去除率均有所提高.
短句来源
    The result showed that,when pH=7.30~7.80,COD,BOD and SS were 1 700,611 and 332 mg·L-1,respectively,the removal rates of COD,BOD and SS were 96.6%,96.4% and 77.7% respectirery.
    结果表明,在进水pH值为7.30~7.80,COD,BOD和SS的浓度分别为1700,611,332 mg.
短句来源
    The results show that pH=6-8, 1000mg ClO2/L wastewater, reacting 60min are the most efficient and economical, when treating prepared refractory wastewater, the COD of which is 3500mg/L, by ClO2 chemical oxidation. The COD removal ratio exceeds 50%.
    实验结果表明:二氧化氯化学氧化处理COD为3500mg/L的配制难降解废水时,最佳反应pH值为6-8、氧化剂用量为1000mg ClO2/L废水,反应时间为60min,COD去除率可达50%左右;
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  ph value
Effects of concentration, pH value, and flow rate of naringin extract on the adsorption of naringin by X-5 resin were studied.
      
The optimal eluant is 60% (v/v) ethanol-water with pH value of 10.
      
The influence of methanol content, pH value, ion types, and ionic strength of mobile phase are studied in detail.
      
Because of the ionization equilibrium, these three antioxidants have the same ion form in solutions at a definite pH value and therefore their apparent rate constants were essentially the same.
      
The impact of adsorbent amount, adsorption time and pH value on adsorption effect, the adsorption kinetics, and the adsorption thermodynamics were discussed according to batch adsorption tests.
      
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The material presented here is a synopsis of the Ph.D thesis of the author, cf.
      
These derivatives exhibited in vitro stability in buffers of pH 2.0 and 7.4 for 6 h and were readily hydrolyzed by human plasma esterases to liberate the parent drug.
      
Crossing time and renewal numbers of two PH-renewal processes
      
This paper considers how to find some joint distributions and their marginal distributions of crossing time and renewal numbers related to two PH-renewal processes by constructing an absorbing Markov process.
      
Effects of concentration, pH value, and flow rate of naringin extract on the adsorption of naringin by X-5 resin were studied.
      
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  ph values
Effect of dipping solution pH values on electrostatic layer-by-layer self-assembly of side-chain azo polyelectrolyte
      
FTIR studies indicate that the azo polyelectrolyte exhibits a different ionization degree in solutions with different pH values.
      
The higher absorbance and the larger thickness of the layer-by-layer films can be attributed to the low ionization degree and the shrinkage conformation of PEAPE in the solution with low pH values.
      
The soil pH values were 5.80 and 5.85 in gap and under canopy, respectively, and were not significantly different.
      
The acetic acid treatment reduces pH values of straw fibers and has a significant effect on the internal bonding strength of straw fiberboards.
      
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  ph =
The material presented here is a synopsis of the Ph.D thesis of the author, cf.
      
These derivatives exhibited in vitro stability in buffers of pH 2.0 and 7.4 for 6 h and were readily hydrolyzed by human plasma esterases to liberate the parent drug.
      
Crossing time and renewal numbers of two PH-renewal processes
      
This paper considers how to find some joint distributions and their marginal distributions of crossing time and renewal numbers related to two PH-renewal processes by constructing an absorbing Markov process.
      
Effects of concentration, pH value, and flow rate of naringin extract on the adsorption of naringin by X-5 resin were studied.
      
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