How much the microbial exploration in oil and gas industry is applicable?

Microbial oil and gas prospecting (MPOG) I would grateful it if you could provide me with your invaluable comments and ideas on the following questions: 1- Do you consider MPOG as a promising...

15 December 2020 9,895 2 View

How can I apply heat flux on edge of a layered shell in Comsol?

Hi everybody I modeled a piece of CFRP in Comsol with a thickness of about 2cm, I used the new module in Comsol 5.5 ( thermal stress in layered shells) Everything has gone well but after the...

10 May 2020 8,246 3 View

How to get permission for any content reproduced in a new submission?

I have been asked to get the required permission for the figures reproduced in my review paper from other publications. All the figures which are reproduced from other publications appropriately...

13 February 2020 4,970 8 View

How are silver nanowires dispersed to isopropanol?

I synthesised nano wires using Polyol method then centrifuged and I have dispersed them into ethanol But they did not disperse into isopropanol. How do I disperse them into isopropanol (IPA)?

23 July 2019 4,428 1 View

FMRI between-group correlation study: how to specify study variables?

I am designing an fMRI study for my dissertion and I got consfused as I got to this part. Since, I have to signify the study variables one by one in a chart and provide theoritical and operational...

20 January 2019 7,607 9 View

Do you think that exist relation between desertification and climate change?

Today, desertification is one of major environmental problems.

08 October 2017 9,600 12 View

How can i define a reference point in ABAQUS?

02 December 2016 5,381 10 View

What is the best method of intering different temperature conditions into different areas of a unit solid volume?

21 July 2016 7,328 1 View

Is producing boiling water with low quantity from a fluid with a lower temperature but vast quantity theoretically impossible?

I am an electrical engineer and I am not much familiar with fluid mechanics, I am curious to know that Is producing boiling water with low quantity from a fluid with a lower temperature but vast...

28 June 2016 3,487 6 View

Whats the real behavior of rc circuits?

In series RC circuit with dc power supply the maximum capacitor voltage should be equal to power supply but in my experiments it's less than expected value and it's proportional to resistor, while...

14 December 2014 4,350 64 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

No title

I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

Onset of Photo Oxidation in Polymers?

Hi! I am looking for some specific information in regards to the minimum amount of UV intensity required to begin the photo degradation process in polymers. I understand each polymer is...

15 February 2021 7,703 4 View

How can I calculate teh crystallinity degree of graphene oxide?

I had treat my XRD diffraction pattern by Highscore to calculate the crystallinity degree Xc and I have the formula but I dont no the 2Theta of Ac and Aa to calculate Xc. Is it like polymers...

10 February 2021 6,305 5 View

Could any one help me with mechanical properties of CFRP(carbon fiber reinforced polymers)?

I am modeling CFRP laminated a concrete column in Abaqus And I need Elastic and plastic properties of CFRP

09 February 2021 4,930 5 View

Dear colleagues. How can we implement the kinetics of the polymerization of aromatic amines in easier and simpler ways?

Dear colleagues. How can we implement the kinetics of the polymerization of aromatic amines in easier and simpler ways? Are there simpler methods for Nano polymers (other than those obtained with...

09 February 2021 5,783 3 View

How to calculate enthalpy of formation of Polymers taking into account the terminal end groups?

I am trying to find methods for theoretical calculation of enthalpy of formation of Polymers. till now I have found the oligomeric method (Gaussian) which uses the extrapolation of results from...

05 February 2021 9,707 4 View

What are advantages of NELF model?

I am trying to simulate permeation of gases in polymers. For this reson normally i use the clasic models like dual sorption model but newly i foun dthe non equilibrium lattice fluid model. It...

03 February 2021 1,203 3 View

Is it possible to find out the wettability and contact angle of water on the rough or corrugated substrate?

First of all, whether it is possible to identify the presence of water and its amount on the Silicon substrate by using only FT-IR spectroscopy. Can ATR-FTIR spectroscopy find out the wettability...

03 February 2021 9,085 4 View