What is the most suitable NMR solvent for carbon-based materials?

What is the most suitable NMR solvent for carbon-based materials?

25 December 2020 5,020 4 View

Effect of adsorbent porosity on efficiency of adsorbent recovery ?

Hi guys. Can anyone answer the following with citing the references? 1) Relationship between adsorbent porosity and adsorption/desorption rate? 2)Relationship between porosity and adsorbent...

31 October 2020 6,323 5 View

Can COMSOL be used for (wild)fire modeling?

Has anyone any experience about fire modeling with COMSOL multi-physics? The software can simulate jet flames and combustion; however, as far as I have checked the literature, very few surveys...

30 September 2020 4,111 1 View

Where is the best location for placement of a magnetic filter in a amine system?

One solution which is presented for eliminating suspended Iron sulfide (FeS) contamination from refinery amine system, is using from magnetic separation. where location of amine circulation (rich...

09 September 2020 9,879 6 View

What is teaching? rethinking about concept of teaching after coronavirus?

every person knows that teaching is the most important weapon we can use change the world. but there is an important question which education ? or teaching? when I think this question my mind...

04 August 2020 6,998 3 View

Are there any studies on the relationship between "Employer Brand" and " Cognitive Neuroscience"?

Are there any studies on the relationship between "Employer Brand" and " Cognitive Neuroscience"?

18 July 2020 2,505 3 View

Which imaging satellites can provide highest temporal resolution for a specific area?

For our new project, we need to analyse Thermal Infrared satellite imagery of a specific area and the temporal resolution of image acquisition is quite important for an accurate study....

17 June 2020 3,212 4 View

What can be joint projects between chemistry and mechanical engineering?

how can I find a common related project between chemistry (polymers or biomolecules) and mechanical engineering( for example fluid mechanics )???

15 April 2020 2,388 1 View

COVID-19 and Renewable Energy?

High oil prices, environmental crises, and increasing energy demand have been the driving forces for rapid growth of renewable energy worldwide. All these forces have been weakened by COVID-19....

28 March 2020 3,752 20 View

Can we utilize Fresnel lens instead of dish collectors?

Hello Can we use Fresnel lens in order to concentrate the solar energy on a point (instead of using a dish collector)? If so, is there any problem or limitation about using that? Please consider...

05 March 2020 2,218 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 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

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Can thermal cycler machines be problematic during PCR?

Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...

26 February 2021 4,777 4 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View