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balance time
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  平衡时间
    The balance time and isotherm equation for the adsorption of HPW12 on the carrier are determined.
    吸附实验确定了HPW12在载体上的吸附平衡时间及吸附等温线方程。
短句来源
    The experiment showed that the method could absorb co quantitively at a pH ofbetween 7,16 and 7.30,the balance time was 20 minutes and the absorptivc capacity was about 420μg/g.
    实验结果表明,此法在pH为7.16~7.3之间可定量吸附钴,平衡时间约20分钟,吸附量约420μg/g、1000倍的约20种常见离子不干扰测定。
短句来源
    The measuring factors of electrodes linear relationship and repeatability. Complexing balance time and pH were semi quantitative discussed. Based on 10 -9 mol·L -1 lead detection limit of electrodes,10min balance time was adopted.
    对电极的线性关系和重现性、络合平衡时间、pH等因素做了半定量讨论.在电极检测下限为10-9mol·L-1铅时,采用10min平衡时间为宜,pH等是影响络合反应的主要因素.在天然pH值下,铅的表观络合容量为呼伦湖最大,乌梁素海最小
短句来源
    Test result shows that BQAS can be used for effectively reducing surface tension,at liquid-solid ratio of 50∶1,its minimum balance time is 90 min on sand stone surface (40~80 mesh),saturated adsorption rate is 2.13×10~ -5 mol/g. it has a good surface activity.
    试验结果表明,双季铵盐BQAS能显著降低溶液表面张力,在溶液表面的饱和吸附量为1·58×10-6mol·m-2; 在液固比为50∶1时,双季铵盐BQAS在砂岩表面(40~80目)的吸附最低平衡时间为90min,饱和吸附量为2·13×10-5mol·g-1,具有良好的表面活性。
短句来源
    Factors such as extraction temperature,balance time and sample concentration were investigated concerning the SPME-GC/MS analysis sensitivity.
    对影响SPME-GC/MS分析灵敏度的各种实验因素如萃取温度、平衡时间、被测组分浓度等进行了讨论。
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    The adsorptive properties of gas-liquid interface and liquid-solid interface of bisquaternary ammonium salt (BQAS) surfactant are used as object to study the surface tension of BQAS changing with its concentration,adsorptive isothermal line,saturated adsorption and minimum balance time.
    以研究双季铵盐型表面活性剂BQAS吸附特性为目的,从溶液表面张力随浓度的变化、饱和吸附量等方面研究了双季铵盐BQAS的气液界面吸附特性; 用双季铵盐BQAS和砂岩体系,在液固比一定时,从时间、浓度对静态吸附量的影响方面研究了双季铵盐BQAS的液固界面吸附特性。
短句来源
    What's more, balance time, adsorption volume, saturation capacity of adsorption and interference have been studied.
    另外还考察了吸附时间、吸附体积、共存元素对吸附率的影响。
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  balance time
Two principal components of winter balance time-series explain about 50% of the variability in the data.
      
Significant improvements in knee extensor isometric strength (+21%), single leg balance time (+30%), and 6?min walk distance (+6%) were observed in TRA (P>amp;lt;0.05) but not in CON.
      
CW and indicators of functional capacity (knee extensor isometric strength, single leg balance time, sit and reach, stand and reach, and 6?min walk distance) were assessed prior to and following the intervention.
      
Following the practice sessions, the balance time increased significantly in the experimental group (P>amp;lt;0.01).
      
Only flunitrazepam 4?mg produced a significant decrease in balance time.
      
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Based on a simplified gaseous chemical model, the Hybrid, QSSA and Sklarew schemesare used to solve nonlinear chemical kinetic equations, and the results of different methodsare compared. Also, the mass conservation techniques, such as error distribution and linearcombination are applied to study their influence on the modeling results. It is found thatthree schemes make no difference to the calculations of the concentration of hydrocarbon,but some difference to those of other gaseous species. The result predicted...

Based on a simplified gaseous chemical model, the Hybrid, QSSA and Sklarew schemesare used to solve nonlinear chemical kinetic equations, and the results of different methodsare compared. Also, the mass conservation techniques, such as error distribution and linearcombination are applied to study their influence on the modeling results. It is found thatthree schemes make no difference to the calculations of the concentration of hydrocarbon,but some difference to those of other gaseous species. The result predicted from QSSA issimilar to that from Sklarew, and the balance time of concentration of gaseous species isshorter for Hybrid than that for other two schemes. As a result, the mass conservationtechniques can further improve the results. The error distribution technique is suitable forHybrid and QSSA, and the linear combination is more suitable for QSSA.

在一个简化的气相化学模式的基础上,比较了Hybrid、QSSA、Sklarew三种计算方案求解非线性化学动力学方程组的差异,并引入误差分配和线性组合两种质量守恒技术,分析它们对模拟结果的影响.研究结果表明:不同方案对有机烃类浓度的计算几乎没有影响,但对其它气态物浓度有一定的影响.用QSSA和Slarew方案预测的结果更为相近,而采用Hybrid方案得到的气态物浓度的平衡时间略为提前.从计算效率来看,QSSA方案优于其它两种方案,两种质量守恒技术均能改善模拟结果.

The determination of Co using the loaded 5-Br-PADAP-benzenol polyurethane foamred plasties by cnriching flameatomic absorption spcctronctry has been studied.The experiment showed that the method could absorb co quantitively at a pH ofbetween 7,16 and 7.30,the balance time was 20 minutes and the absorptivc capacity was about 420μg/g. The detection limit was 0.04μg/ml,about 20kinds of common ions as l000 times as Co had no interference.The method was simple ,qukick and sensitive.

研究了负载5-Br-PADAP-苯聚氨酯泡沫塑料富集火焰原子吸收测定钻的方法。实验结果表明,此法在pH为7.16~7.3之间可定量吸附钴,平衡时间约20分钟,吸附量约420μg/g、1000倍的约20种常见离子不干扰测定。检出限为0.04μg/ml,方法简便、快速、灵敏。

Determination of lead apparent complexing capacity of the natural water in Inner Mongolia has been studied by ASV.The conditional stability constant and complexing capacity index were calculated.The measuring factors of electrodes linear relationship and repeatability.Complexing balance time and pH were semi quantitative discussed.Based on 10 -9 mol·L -1 lead detection limit of electrodes,10min balance time was adopted.pH etc. are major influencing factors on C.C .Under natural pH,apparent...

Determination of lead apparent complexing capacity of the natural water in Inner Mongolia has been studied by ASV.The conditional stability constant and complexing capacity index were calculated.The measuring factors of electrodes linear relationship and repeatability.Complexing balance time and pH were semi quantitative discussed.Based on 10 -9 mol·L -1 lead detection limit of electrodes,10min balance time was adopted.pH etc. are major influencing factors on C.C .Under natural pH,apparent complexing capacity of lead is maximum in Hu Lun Lake,minimum is Wu Liang Su Hai.

对内蒙古地区天然水中有机配体与铅的表观络合容量(C.C)进行了阳极溶出伏安法(ASV)测定,并计算总条件稳定常数(K)和络合容量指数(I);对电极的线性关系和重现性、络合平衡时间、pH等因素做了半定量讨论.在电极检测下限为10-9mol·L-1铅时,采用10min平衡时间为宜,pH等是影响络合反应的主要因素.在天然pH值下,铅的表观络合容量为呼伦湖最大,乌梁素海最小

 
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