Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View

How to resolve Gaussian error termination " Error termination via Lnk1e in F:\G16W\l103.exe" for TS(QST3)?

When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...

21 February 2021 3,198 2 View

How can I calculate volume fraction of MWCNT from a nano hybrid composite ?

I am adding 0.1wt percent MWCNT to glass fiber epoxy composite and want to determine the volume fraction of the MWCNT from this composite but I don't know how to calculate it. can anyone help me...

09 February 2021 8,883 3 View

Functionality on MWCNT can possible without using vacuum oven?

I want to synthesis functional MWCNT from pristine MWCNT using acid treatment but I haven't vacuum oven for drying but I have a normal hot air oven. So may it possible to use hot air oven for...

02 February 2021 8,475 3 View

How to tackle "CONSTRAINT CONTROLS" error while using tie between CFRP and frame segment in abaqus?

Hello, I had been trying to model a portal frame wrapped with CFRP in ABAQUS. To tie the CFRP laminates with frame I need to use slave/master surface interaction. But whenever I try to model the...

19 January 2021 2,906 3 View

What to do if I am doing a Meta Analysis of Exploratory studies and the studies do not have effect size??

I am doing a meta analysis of imaging exploratory studies which themselves did not have effect size. Therefore, I am unable to compute the variability in the effect sizes in my meta analysis. What...

18 January 2021 4,881 4 View

What kind of compound I can use to detect k3EDTA in aqueous solution?

Any recommendation for detection of K3EDTA in aqueous solution? It would be nice to quantify it by photometric (UV-Vis) regression analysis. The compound should have no effect on the pH of the...

18 November 2020 8,898 3 View

How to calculate power of UV lamp when you know the UV Radiation power density at a distance r ?

13 November 2020 9,820 2 View

Will there be effect of around 4wt % B2O3 in ladle slag on refractory erosion?

The effect of B2O3 additions on CaO-MgO-SiO2-Al2O3 based slag/flux was studied by many researchers. B2O3 addition helps in lowering the viscosity of slag which helps in eliminating the sticking of...

28 October 2020 6,722 6 View

How can I create a Venn diagram using SPSS?

I have 5 sets with 200 variables.

14 October 2020 9,681 4 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 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

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 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

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

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 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