what is AZ431 & how to check it by using multimeter?

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Question 94 - The resolution of separation, Rs for chromatography is given by the formula Rs = (difference in retention time) / (average width at the base). In a chromatogram, 3 peaks a, b and c are found. Average widths W at the bases of the solutes are : Wa = 20 s, Wb = 40 s, Wc = 30 s. Resolutions of separation, Rs for solutes b and c in comparison to a are 2 and 4 respectively. The differences in retention times T for b and c in comparison to a are (Tb - Ta) and (Tc - Ta), Ta = Tc - Tb : (a) Form 2 equations involving Rs as a function of Wa, Wb, Wc, Ta, Tb and Tc. (b) Find the values of Ta, Tb and Tc.

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What is a good source of surfactant information on the internet?

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When using a pumping loop to mix two miscible fluids in a tank, when can the content are considered well mixed?

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What are some common problems associated with dense phase pneumatic conveying?

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How to size the cooling tower sump / basin for any given circulation rate? What is the guideline?

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Why is respiration considered as an exothermic reaction? Explain?

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THERMODYNAMIC - EXAMPLE 10.1 : The water is superheated steam at 440 degree Celsius and 17.32 megapascals. Estimate the enthalpy of the steam above. From the steam table for water at 440 degree Celsius, enthalpy of steam, h at 18 megapascals is 3103.7 kilojoules per kilogram and at 16 megapascal is 3062.8 kilojoules per kilogram. Assume that h = mP + c where P is pressure; m and c are constants at fixed temperature with small differences in P.

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Explain various protein purification techniques?

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Why do we apply on iron articles?

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What is a good way to get started in doing a plant-wide steam consumption analysis?

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What is the method involved in analyzing powders for composition?

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