How to calculate the percentage of atomic composition for concrete ?

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What it is the difference between Laccase enzyme and Lignin degrading enzyme?

What it is the difference between Laccase enzyme and Lignin degrading enzyme

31 December 2018 10,027 0 View

There are any ASTM or British standards of porosity measurement for the hardened concrete?

I have searched about any standards of porosity measurement for the hardened concrete, but I didn't find any thing.

08 September 2018 3,350 3 View

How to calculate the serpentinization degree % in the serpentine?

I want to calculate the degree of serpentinization in more than one type of serpentine

08 September 2018 477 0 View

Until now there are not any papers explaining the relation between crushing value of aggregate and compressive strength of concrete, I'm right?

I didn't find any papers explaining the relation between crushing value of aggregate and compressive strength of concrete

05 June 2018 2,347 15 View

Are there any suggestions for references about the relation between porosity and void ratio in concrete?

I want references about the relation between porosity and void ratio in concrete.

04 May 2018 5,441 6 View

What is the interpretation of presence of CH3 functional group in the IR ?

what is the interpretation of presence of CH3 functional group in the IR in treated silicate material with NaOH although the ore (original material before treating) did not contain any carbon ?

03 April 2018 6,745 6 View

Are these ingredients of concrete indicated right?

This is an SEM image of concrete and I want to know if I indicated the components right or wrong?

03 April 2018 1,009 0 View

Is the aggregate crushing value (ACV) test is a an indicating method for aggregate strength?

I want papers about ACV is indicating method for aggregate strength

01 February 2018 5,270 7 View

There is a calculation method for finding the the void ratio knowing the porosity and water absorption in concrete?

I want to theoretically calculate the void ratio knowing the porosity and water absorption?....except for ASTM CODES?

01 February 2018 4,049 0 View

Is it possible for turquoise to have a violet color?

Turquoise has a blue and green colors, but I see some have a violet and other colors, so it is possible ?

31 December 2017 5,255 0 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

Apart from Nanosilica and CNT's what are the other nanomaterials readily available to use in concrete mixture?

Nanotechnology in concrete materials

01 March 2021 3,379 3 View

Concrete compressive strength databases?

I am looking for datasets similar to this one: http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength I am looking for concretes with different types of aggregates (Recycled,...

27 February 2021 6,801 3 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

What is the best way to calculate the angles of twist for concrete columns subjected to torsional moment using finite element software?

In Finite element software like ANSYS , there is difficulty in obtaining direct results of twisting of concrete members because SOLID65 which is the unique element designed to represent concrete...

26 February 2021 3,806 2 View

Compute for the total volume of concrete needed for the concrete pouring of the foundation including its column up to NGL only as shown in the plan?

Looking for the quantity of cement, sand, and gravel of footings and columns. Thank you!

25 February 2021 3,092 2 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 View