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rapid measurement    
相关语句
  快速测定
    Rapid Measurement of P_2O_5 Content in Phosphoric Acid Solution
    湿法磷酸中P_2O_5的快速测定
短句来源
    METHOD FOR RAPID MEASUREMENT OF α AND λ OF PARTICULATE MATERIALS
    颗粒状物料热物性的快速测定
短句来源
    Rapid measurement of SO_3 in cement with stability enhancement turbidity approach based on Tween-20
    吐温-20增稳浊度法快速测定水泥中三氧化硫
短句来源
    Rapid Measurement of Sodium Hypophosphite in Electroless Nickel Plating Bath
    化学镀镍液中次磷酸钠的快速测定
短句来源
  快速检测
    In Situ Rapid Measurement of Waste Water Containing Chromium, Phosphorus & Nickel
    含铬、磷、镍废水现场快速检测
短句来源
  快速测定
    Rapid Measurement of P_2O_5 Content in Phosphoric Acid Solution
    湿法磷酸中P_2O_5的快速测定
短句来源
    METHOD FOR RAPID MEASUREMENT OF α AND λ OF PARTICULATE MATERIALS
    颗粒状物料热物性的快速测定
短句来源
    Rapid measurement of SO_3 in cement with stability enhancement turbidity approach based on Tween-20
    吐温-20增稳浊度法快速测定水泥中三氧化硫
短句来源
    Rapid Measurement of Sodium Hypophosphite in Electroless Nickel Plating Bath
    化学镀镍液中次磷酸钠的快速测定
短句来源
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  rapid measurement
A relatively simple indentation technique for the rapid measurement of fracture surface energy, Γ, of small samples is described.
      
A method for rapid measurement of HeLa cell destruction by cytopathic poliovirus based upon alterations of the rate of oxygen uptake of infected cell populations is presented.
      
Rapid measurement of young's modulus on short strips of amorphous metals using the piezoelectric ultrasonic composite oscillator
      
Systems for rapid measurement, data analysis and storage designed for the experimental work are presented.
      
Densitoviscometer for rapid measurement of the density and viscosity of melts of salts and alkali
      
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This paper describes an apparatus for the rapid measurement of thermal conductivity of liquids in the temperature range from 150 to 250# and in the pressure range up to 25.0MPa. A small bead-in-glass thermistor was used as a sensitive element. The thermistor probe, which is in a circuit with a bridge, was immersed in liquid under investigation. When a heating current was passed through the thermistor, the dV/dt of the bridge was measured. The thermal conductivity of the liquid under investigation λ could...

This paper describes an apparatus for the rapid measurement of thermal conductivity of liquids in the temperature range from 150 to 250# and in the pressure range up to 25.0MPa. A small bead-in-glass thermistor was used as a sensitive element. The thermistor probe, which is in a circuit with a bridge, was immersed in liquid under investigation. When a heating current was passed through the thermistor, the dV/dt of the bridge was measured. The thermal conductivity of the liquid under investigation λ could be calculated with the equation λ=A-B dV/dt, where A and B are instrument constants determined by the data of standard liquids. The time of meassuring dV/dt was 1.5seconds. The apparatus was calibrated by using six standard liquids at "different temperatures and pressures, the average deviation of measurements was within±2%. The apparatus is capable of not only measuring organic liquids, but also measuring electrolytic liquilds or solution.

本文描述了在高温高压下快速测定液体导热系数的方法.温度和压力分别达到250℃和25.0MPa,以玻璃包封的热敏电阻作为加热元件,用桥路测定热敏电阻的dV/dt,由dV/dt计算介质的导热系数,每次测量时间为1.5秒,用六个已知导热系数的参考液体标定了装置,平均偏差小于±2%.该装置不仅可以测量有机液体,而且也可以测量导电液体或溶液.

The nickel impurity might affect the performance of chromium plating bath, thus it is imperative to establish a method so as to readily determine the content of nickel impurity in the bath. Therefore, the nickel impurity in the chromium-plating bath was determined using spectrophotometry, which was based on the reaction between nickel ions and diacetyldioxime, generating a red complex, in the presence of alkali and ammonium persulfate. The measurement was carried out in 3 cm color-matching cells at a wavelength...

The nickel impurity might affect the performance of chromium plating bath, thus it is imperative to establish a method so as to readily determine the content of nickel impurity in the bath. Therefore, the nickel impurity in the chromium-plating bath was determined using spectrophotometry, which was based on the reaction between nickel ions and diacetyldioxime, generating a red complex, in the presence of alkali and ammonium persulfate. The measurement was carried out in 3 cm color-matching cells at a wavelength of 510 nm, using the sample without chromogenic agent as the reference. Results showed that the other ions in the bath had no interference on the determination. The average deviation for the measurement of 8 samples was 1.4 mg/L, and the recoveries for 3 samples were 98.3%, 98.7%, and 100.2%, respectively. The method was characterized by easy operation, rapid measurement, and good accuracy, and could be readily used to monitor the nickel impurity in the chromium-plating bath.

镀铬溶液中的镍杂质影响镀液的性能,作者制定了镍杂质的分析方法。在碱性和过硫酸铵存在的条件下,镍离子与丁二酮肟生成水红色配合物,利用这一特性,以丁二酮肟光度法测定镀铬溶液中镍杂质的含量,以不加显色剂的试样作参比液,用3cm比色皿,在波长510nm处测定结果表明,镀液中其他各种离子对测定无干扰。本方法对8个试样测定值的平均偏差为1.4mg/L对3个试样测定值的回收率分别为98.3%,98.7%和100.2%。本方法简单、快速而准确,能够满足对镀铬溶液中镍杂质监控的要求。

 
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