What is the relationship between soil pH and adding alkali-activator?

Dear all, I do research on a kind of clay and use NaOH as an alkali-activator for stabilization. The pH 2,4,6 mol. of NaOH solution are 12.9,13, and 13.1, respectively. The pH of natural soil is...

09 October 2019 3,813 2 View

What software do you recommend for plagiarism checking?

Dear all, What software do you recommend for plagiarism checking of technical papers? Regards MJM

09 October 2018 613 13 View

Why Acid treatment is done for biomass ashes activation?

Dear All, We know that acid treatment usually done for biomass ash (like Rice husk ash) activation. According to the some researches acid treatment (by some acids like HCL) increases specific...

08 September 2018 7,251 0 View

How long does it take to publish a paper?

Dear all, Does anyone know an address that shows How long does it take to publish a paper?? However, there are some in Elsevier ( https://journalfinder.elsevier.com ) and Springer ( Springer...

06 July 2018 4,577 18 View

What is the best temperature for producing ashes??

Hi everyone, I want to know what is the best temperature and duration for producing ash from agricultural waste?? regarding that I want to use it as Alkali activator for clay stabilization....

10 November 2017 6,507 4 View

Which dissolved ash has the most pH??

Dear all, As it is known, the pH of distilled water increase with dissolving ashes in it. It is because of some metallic oxides contents like NaO, k2O, etc, of the ashes. So, I want to know which...

10 November 2017 1,183 6 View

What is the best technique for lowering the concrete temperature in hot weather??

Hi everyone, We have to pour concrete in temperature of about 40 degree Celsius. does anyone have good technique for lowering the temperature of concrete?? We lower the temperature to near 32...

06 July 2017 9,592 3 View

What is the best technique for perimeter building waterproofing and drainage?

06 July 2017 6,352 4 View

XPS technique for introducing bonds between stabilized clay?

Hi every one I want to know if XPS (X-ray photoelectron spectroscopy ) can be used to introducing bonds between chemically stabilized clay?? Regards

01 February 2017 1,350 4 View

Reinforced Wall for fine soils?

What is the most effective way to Reinforced fine soils like clay ? for example could strip reinforcement used for fine soils??? As reinforced walls should be backfilled with coarse materials like...

08 September 2016 5,409 4 View

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

Why does the sum of reaction forces not match the force component of a Free Body Cut in Abaqus?

I am using Abaqus to simulate a plate with in-plane loading. The boundary conditions allow the right edge to move up and down, the displacements on the left edge are fixed. There is no rotation...

23 February 2021 711 3 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

Which type of loading is to be used in dynamic analysis of Machien foundation?

Hello Everyone, Hope you all are doing well. I'm trying to simulate a machine foundation in ABAQUS with a geo-cell reinforced soil bed. Im totally confused to which type of loading would be...

21 February 2021 4,388 3 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

How to include additional force field in GROMACS?

I have a cellulose model system that is best described by the GLYCAM06 force field according to the literature. However, the set of force fields included in the GROMACS package doesn't include the...

20 February 2021 3,309 3 View