What are the optimum ratios for mixing nano materials with coating to improve its properties, for air pollutant treatment?

Improving the properties of local paints

02 October 2020 4,747 3 View

Do you think to increase the COVID-19 RT-qPCR tests we can use multi sample pools?

Do you think to increase the COVID-19 RT-qPCR tests we can use multi sample pools?!

26 May 2020 7,360 3 View

How can extract protein from fungi cells ?

how can extract protein from fungi cells ?

10 December 2017 8,789 5 View

Simulate of laminar smoke

I want to simulate a smoke in a laminar flow like a smoke of a cigarette, what is the CFD program can simulate its cases?

15 August 2017 9,343 15 View

Which CFD package can formulate the flame and get the thermal analysis on its case?

I like to simulate the flame of the fire and need help to know the best program for that.

15 August 2017 2,190 13 View

Help Please!! how to solve the error "too many attempts made for this increment" in abaqus?

i am applying a load of 50KN gradually on a reinforced concrete beam, i'm unloading this load using an amplitude to get the loading and unloading versus deflection graph.i have used concrete...

09 June 2017 3,129 14 View

How to get the frequencies of simply supported RC beam when changing load in ABAQUS?

i have modeled the RC beam with simply supported BC and used concrete damaged plasticity model to account for the nonlinearities in concrete, i have got the frequency value for the case of beam...

01 January 2017 737 6 View

Does anyone have experience with CFX to calculate Nusselt number and draw the heatline?

27 August 2014 2,306 9 View

What to consider when using smeared cracking model in abaqus to model an RC beam?

i have used damaged plasticity model in abaqus to represent concrete for RC beam modelling, i have got good deflections compared to literature. but when using smeared cracking model for the same...

01 January 1970 9,150 3 View

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

How to calculate Total Flavonoid?

I analyzed flavonoid total spectrophotometry, the procedure as below: 2 ml supernatan added 5 ml dd.H2O, then added 0,15 ml NaNO2 5%, 5 minutes later added 0,15 ml AlCl3 10%, After 6 minutes,...

01 March 2021 6,722 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 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

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

To date, according to health authorities, 30% of the population's diseases are initiated by drinking water pollution. Do you know this problem?

The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...

23 February 2021 912 5 View