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

How do we apply a bending stiffness on to a wire model in abaqus?

I was trying to mimic the deflection of a cantilever beam in wire on to a model with a portion of the beam replaced by a spring which provides a bending stiffness. I gave a usual spring with...

01 July 2020 6,869 4 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

How to rectify the"DIsplacement Increment for contact is too big" warning in abaqus?

I am currently modelling a joint of a geodesic dome. I previously ran an analysis only with preload of bolts ignoring all contact surfaces of the shank of the bolt and other geometry . This time...

03 June 2019 4,811 5 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

How to fit multiple curves on same data using the curve fitting toolbox in matlab.?

I have a data set and I want to fit multiple curves (say polynomial of order 4, 5, 6 etc) to the same curve using the cftool. While using curve fitting toolbox, it allows to fit only one type of...

21 December 2018 9,333 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

No title

03 March 2021 5,360 2 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View