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

Is there any suitable methods available to overcome efflorescence in earthen walls?

Many of us assuming that dampness cause efflorescence over the walls, Is that right? How to avoid these issues in a newly constructed walls? Comment your ideas

28 December 2020 3,883 2 View

What is a good research topic for a undergraduate in Structural Engineering?

Hi Offshore wind turbines is a topic that interests me and would like to do my dissertation around it. I have been looking into finite element analysis and would like to be involved in. The...

22 September 2020 4,357 7 View

How do we interpret the findings of variance decomposition?

I am interested in studying the variance decomposition of VAR output. However, I have a problem with how to interpret the output of variance decomposition. Therefore, I expect the anwer or...

05 September 2020 4,593 3 View

Is it possible to identfy the difference between Methyl alcohol, ethyl alcohol and ethyl acetate extract,if so how?

I am working in the column chromatography for extracting plant extracts in Methyl alcohol, ethyl alcohol and ethyl acetate extracts I got confused with the columns that what column I placed which...

31 July 2020 4,937 3 View

Recommendation on Data Science / Machine Learning Research?

I am have a dataset of marks and grades of 9 subjects for consecutive 3 years (each year has 3 terms) scored by about 3000 students studying in secondary education. I am looking for a data science...

30 March 2020 869 2 View

Does efflorescence affect the strength characteristics of geopolymer concrete?

The effect of efflorescense in geopolymer concrete is unavoidable due to the presence of alkali content. When exposed to water, it exhibits efflorescense in GPC. Will it affects the strength of...

23 January 2019 4,753 4 View

Does performing Fatigue Analysis of Concrete Structures in ABACUS Software will be beneficial?

If ABACUS wont works great, which software can be further used for fatigue analysis of concrete material.

12 January 2019 6,691 3 View

Measuring Kd value from absorbance curve of protein with its chromophore?

I am working with this protein which gives fluorescence after bonding with its chromophore. I have measured the absorbance change after addition of protein to the chromophore to follow the...

14 November 2018 1,820 3 View

Why do we use the cointegration technique to test the long - run association between two variables? Is the regression technique not suitable?

Dear friends; I have a doubt that why we employ the cointegration technique to test the long - run relationship between the variables. Can't we use the regression technique to test the long - run...

17 June 2018 7,869 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

Why am I getting 'Infinity' and 'NaN' in my mixed-mode energy release values?

Hi everyone, I am currently running a mixed-mode simulation of a DCB using a user-defined cohesive zone model (UEL), however, the results I am getting don't make sense. I used the same UEL for...

24 February 2021 4,157 1 View

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 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

I have a problem with kanamycin - why the kanamycin doesn't affect?

Hi everyone, I need to expression of GFP with pET28 plasmid in E. coli BL21(DE3) plysE. Transformed cells have kanamycin and chloramphenicol resistance. Normally, only transformed cells should...

22 February 2021 4,032 4 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View

Resistivity of PVD TiNx thin films vs. N2 flow?

In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...

21 February 2021 1,864 2 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View