How can i determine formation constant Cupferron with Al(III),Fe(II), Ca(II) and Nd ions?also Depha with same ions?

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How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

Multi effect distillation modeling in EES?

Dear colleagues If anyone has a model of multi-effect distillation in EES or MATLAB software, please send it to me.

24 February 2021 7,282 1 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software?

Hi every one Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software? Biogas fuel is not available in the options thanks

23 February 2021 6,518 3 View

Can explain this diagram to me, is this the average consumption curve for one day or the total consumption of days in a month summed up in specific?

The hourly load curves of the selected household in each season are shown in Fig. 28. Figure 28 shows the demand for electricity in four months on an hourly basis. Can you explain this diagram to...

08 February 2021 657 16 View

How to define a new PDE in COMSOL?

(Note: Problem Solved) I am trying to define the phase field equation in the picture, using Coefficient form (or maybe convection-diffusion) PDE in COMSOL. However, I have a problem defining the...

06 January 2021 3,790 9 View

What is the gradient thermal annealing (GTA) process?

Hello to all What is the gradient thermal annealing (GTA) process?

06 January 2021 7,740 2 View

What is the difference between organic perovskite solar cell and inorganic perovskite solar cell?

Hi everyone What is the difference between organic perovskite solar cell and inorganic perovskite solar cell? Thanks

01 January 2021 4,310 6 View

I need suggestions about my submitted manuscript which is taking abnormally long time?

Dear all I hope you are doing great and healthy. My question is about the abnormally long time being taken by the peer-review process of my submitted manuscript. I submitted my article in July...

21 December 2020 1,432 4 View

Why the number of secondary depressions on existing chromosomes varies?

15 November 2020 9,614 3 View

Does any one can help me choose a reasonable basis set for intermediate metal ions interactions with guanine (i.e Fe2+, Mn2+, Cu2+ and exc.)?

Hello every body Does any one has any idea to help me choose a reasonable basis set for intermediate metal ions (i.e Fe2+, Mn2+, Cu2+ and exc.) interactions with guanine or other DNA organic...

01 March 2021 6,187 2 View

Why do we need to neutralize the charge of the system by adding ions before we proceed to energy minimization step in GROMACS ?

I am learning MD simulations using GROMACS and while I was doing a protein in water MD simulation a doubt raised. I was following the steps mentioned on the tutorials page and it said The system...

15 February 2021 5,514 4 View

Anyone who used chelating agents during DNA extraction?

I am struggling to extract DNA from mine tailings even after enrichment due to suspected metal ions degrading DNA or inhibiting PCR reactions. I have used the following DNA extraction kits Zymo...

26 January 2021 4,542 2 View

MS/MS protein analysis?

Hi Everyone: I want to quantify the relative amount of a protein in 2 samples. I will first digest the sample with trypsin, and subject the resulting peptides to LC-MS/MS analysis. I will then...

25 January 2021 8,333 3 View

What is the difference between soluble ions and exchangeable cations? And How to determine each of them?

I used percolation columns to reclamation saline-sodic clay soils . And my question is, What is the difference between soluble ions and exchangeable cations?

18 January 2021 6,868 3 View

What does the resolution of quadrupole mass analyzer depend on?

Hi, I was curious to know what factors affect the resolution of a quadrupole mass analyzer. I find a lot of electrical settings that may affect the mass of the ions that are being transmitted. Is...

17 January 2021 5,724 1 View

How can i calculate diffusion barrier of Li ion on graphene nanoribon using SIESTA?

I'm a new siesta learner, I'm working on lithium-ion batteries, I have calculated adsorption energy but i am not able to calculate diffusion barrier of Li ion. kindly help me how to calculate...

14 January 2021 2,688 1 View

Can anyone provide me with a procedure for determining chloride ions in soil samples?

I want to test the chloride ion concentration in the soil sample where I am conducting a research, but I cannot find a procedure to proceed. Thanks in advance!

07 January 2021 5,646 9 View

DOes someone know what is the best basis set and method for calculating excited state of ion CH5+ ??

I've been trying to do my calculations related to optimization of excited state of ion CH5+ using method TD-DFT with M06-2X and aug-cc--pVTZ. My input file is as shown...

03 January 2021 2,148 0 View

Is it possible that non-sea salt fraction has negative value?

Hi, I'm trying to calculate sea salt and non sea salt fraction from water soluble ion data (anion and cation). I calculate sea salt fraction by using using ssNa+ as specific marker and knowing the...

29 December 2020 9,813 9 View