Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Efficiency of Proximity Feed Patch Antenna ?

Greetings to all of You! I have searched some research papers for the designing of a proximity coupled patch antenna. Researchers are talking about the impedance bandwidth of the antenna but...

24 February 2021 7,662 3 View

Please help in identification of this insect?

This insect is minute in size around 1 mm and not clearly visible with naked eye.

22 February 2021 5,907 11 View

What is causing the raw fluorescence to be negative?

Hi everyone, I would really appreciate it if someone can tell me when and why a raw fluorescence starts below zero. In the picture attached below the blue colour curve starts from a negative...

09 February 2021 4,642 3 View

How to match the XRD of a compound for which there is no JCPDS file ? Is there any other characterization to claim the synthesis of desired compound?

I have synthesized LiMgF3 using the starting precursors LiF and MgF2 via solid state diffusion method. Now I am looking for some characterization to claim the desired product, as there is no...

09 February 2021 921 3 View

How to increase ductility of bitumen?

What's the optimum amount of sulfur or polyphosphoric acid that could add to bitumen for increase ductility without negative influence on viscosity and other parameters?

11 January 2021 985 4 View

How can the resistance of paving asphalt be increased to acid rain?

Modification of the rheological properties of asphalt

25 December 2020 7,390 2 View

Why isn't the response surface method frequently used in asphalt tests like 4PBT/SCB?

I want to use Box-Behnken design (BBd) For reducing my tests.(4PBT/SCB/ITS/ITSM)

21 October 2020 9,071 1 View

What are the possible reasons for very low rutting resistance of high content RAP asphalt mixtures?

The 100% RAP mixtures designed to target AC-11 grading curve were produced at ~5.5% design binder content with ~5% rejuvenator in RAP bitumen. The mixtures show poor rutting resistance in wheel...

18 September 2020 1,684 4 View

How can I define the contact between aggregate and asphalt matrix in a asphalt mixture using ABAQUS?

I am trying to simulate the moisture damage phenomena in asphalt mixture using abaqus. I am looking for some suggestions and guidelines to define the contact contact between aggregate and asphalt...

24 August 2020 5,234 3 View

Does the size of polymer which added to the asphalt affect the value of the rheological properties?

Modified rheological properties of asphalt using different waste polymers at different partical sizes

06 April 2020 2,895 3 View

Has the recycled asphalt concrete a good behavior in fatigue? Have you any reference to me propose in this topic?

Has the recycled asphalt concrete (recycled RAP) a good behavior in fatigue? Have you any reference to me propose in this topic? Thank you

31 December 2019 5,049 3 View

How to give failure stress while defining the material as viscoelastic properties?

I am modelling a 3 point bending test of Asphalt Mixture beam . The beam is modeled as visco-elastic material . After peak load also the material gains strength as it ismodeled as visco elastic...

23 December 2019 4,216 1 View

Is it possible to used bitumen as a base material in AGS SBR process for treatment of wastewater?

Today we see a lot of researched properties of bitumen as material for various engineering application, I am interested in formulating bitumen as a cheap & easily accessible material for...

10 November 2019 5,517 3 View

How to use fragments of bituminous road ?

During repairing or removal of bituminous roads large fragments of bituminous road are generated as waste. How to use them? Can we extract bitumen and aggregates from them.

10 November 2019 3,810 2 View