What is the difference between quartz powder and nano silica interms of its surface area and chemical compositions?

08 August 2018 0 6K Report

I want to use above material in Ultra high performance concrete so I want to find out its surface area.

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How does Ca/Si ratio play role in reactivity of blended cement?

I observed that the low calcium fly ash is more reactive than the high calcium fly ash. Is there any relation between C/S ratio to the reactivity and strength of concrete???

31 December 2019 2,682 3 View

How mortar's toughness can be measured of unnotched section by load deflection curve? is there any standards are available for toughness of unnotched?

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06 July 2019 5,349 5 View

How to prepare the 28day hydrated cement paste sample for XRD ?

Exactly how one can prepared the cement sample for XRD and TG/DTA? how can stop the hydration of cement?

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What is the difference between toughness, fracture toughness and strain energy? how can we differentiate in stress strain curve?

I want to know its mathematical expression

08 September 2018 10,063 4 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

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11 August 2024 8,141 3 View

How to fix errors in my heat transfer steel structure with reinforced concrete slab model Abaqus?

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07 August 2024 1,028 0 View

Separation of organic acids-HPLC?

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07 August 2024 8,782 3 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

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06 August 2024 1,367 3 View

Nano Orange protein quant on the Quantus fluorometer?

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05 August 2024 8,946 3 View

How can we use mobile apps for improving students' academic performance?

Mobile apps can be a powerful tool for enhancing academic performance, how can we use mobile apps for improving academic performance

04 August 2024 9,492 0 View

What are the limitations and challenges of using machine learning for predicting concrete compressive strength in practical applications?

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03 August 2024 2,546 2 View

How to improve peaks separation in HPLC?

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30 July 2024 435 3 View

How to use Desmond in HPC ?

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AGILENT HPLC 1100 SERIES , any expert available please?

AGILENT HPLC 1100 SERIES operation assistance needed.

25 July 2024 10,045 2 View