How can I carry out analysis of pulp and paper properties according to Tappi standard method in the Lab?

Properties such as relative humidity (T 402sp-03), brightness and yellowness (T-452 om-02), whiteness (T-560 pm-96), opacity and absorption coefficient (T-425 om-01), tensile, breaking length and...

24 January 2021 308 3 View

Assessment of air microflora in the microbiology Laboratory?

To assess the air microflora in indoor air of laboratories

14 January 2020 2,006 4 View

How to collect Oil during pyrolysis in a Tubular Furnace?

Hello I am using a tubular Furnace (1100oC) for pyrolysis at 300oC. After the first pyrolysis, the quartz tube was soiled with bio oil my problem is, the quartz tube is enclosed so how to...

14 January 2020 724 4 View

How to determine pH of Biochar ?

i want to run some adsorption test using biochar but i want to check the pH first must i necessarily follow the IBI Biochar international guideline ? or i can determine using another method? can...

23 October 2019 7,102 6 View

How can I measure the color of water by image processing?

Hi everyone The water color is affected by the color of its surroundings. How can I measure the color of water by image processing? Should white paper be placed under its glass container?

17 December 2018 5,150 3 View

How to run residual stress relaxation by cyclic loading in Abaqus? Which solver to used if load applied is tensile (max 19kN and min 1.9kN)?

Residual stress relaxation due to cyclic loading (tension-tension).

06 June 2018 6,168 3 View

What are the possible reasons why antibodies may fail to neutralize a toxin?Why is binding separate from neutralization? Any explanations?

Monoclonal antibodies were generated against a toxin. But in vitro neutralization assay has shown the antibodies not able to neutralize the toxin.

29 June 2017 3,009 7 View

How to parameterize ligand in MD simulation using VMD-NAMD?

14 September 2016 9,898 4 View

Problem of using command prompt window in molecular dynamic simulation?

I want to perform simulation and when I run the command prompt window with the following syntax " namd2 ubq_ws_eq.conf > ubq_ws_eq.log &" below error will appear" Charm++ fatal error:FATAL...

07 July 2016 8,576 18 View

How do I generate DOPE score using multiple template (model_mult.py) in modeller 9.16?

I want to build a model of query sequence (qseq) based on the alignment against the multiple templates using the `model_mult.py'. from modeller import *from modeller.automodel import * env =...

18 June 2016 6,786 3 View

No title

02 March 2021 3,060 3 View

How does Scientist/RG community evaluates a case study article and the impact of it on a researcher career?

An article that is published as a case study in the SJR listed journal. How much value is added to a researcher career? How it is evaluated by a scientific researcher/University admission...

02 March 2021 9,661 3 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View