LN2 flow sensor | ISTA3L testing | flow meter distributor

Flow Meters – Silver Automation Instruments

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1. Please ask PSP Floating World to flow

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2. ISTA3L test

3... 2x ^ (1/2), and a is the positive zero of the function g (x)=ln (x+1) -2/x, then f (-2),

First of all, f (x)=2 ^ x-2x ^ (1/2), so the derivative f "(x)=2 ^ x * ln2-1/√ x" is easy to see when x is greater than 1. 2

^ x * ln2 is exponentially increasing, much greater than 1/√ x. Therefore, when x is greater than 1, f "(x) is greater than 0, so x is a monotonic increasing function. Because ln (x+1) and 2/x, when x=1.5, ln (x+1)=ln2.5. Because e=2.7, ln2.5 is less than 1, while 2/1.5=4/3 is greater than 1. Therefore, when x=1.5, ln (x+1) is less than 2/x. When x=2, ln3 is greater than 1,2/3 and less than 1, ln (x+1) is greater than 2/x. Therefore, a is between 1.5 and 2. Also, because x is greater than 1, f (-2) is greater than f (a) is greater than f (1.5)

LN2 flow sensor | ISTA3L testing | flow meter distributor

1. Please ask PSP Floating World to flow

2. ISTA3L test

3... 2x ^ (1/2), and a is the positive zero of the function g (x)=ln (x+1) -2/x, then f (-2),

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