Resistivity of PVD TiNx thin films vs. N2 flow?

In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...

21 February 2021 1,864 2 View

Do you have some articles to recommend about comparative experimental study about gas and water flooding with oil reservoirs?

I would like to know in the oil extraction, which is more efficient: gas flooding or water flooding? Will water flooding be more efficient in hydrophilic reservoirs with capillary...

29 December 2020 3,471 3 View

What does this PZC data mean?

I measured different kinds of catalysts which were dispersed in DI water.I firstly added certain amount of HCl and then used NaOH to titrate and measure the pH value. What does this result mean?

27 December 2020 5,728 4 View

How to inhibit the ion conversion between Mn4 + and MN2 +?

Dear scientists, I have a question to ask you, it is known that Mn4+ is beneficial to the soil, but part of Mn4+ in the soil is easy to be converted to MN2 +, is there any way to inhibit its ion...

21 November 2020 1,200 5 View

Failure in using Gene Pulser Xcell (Biorad) ?

02 October 2020 8,642 1 View

Hi everyone, how can we remove the snow-covered areas in global scale?

We obtained the global results using remote sensing reanalysis dataset. But the snow-coverd areas should be removed (like the blank area in the picture below, sources: Purdy et al., 2016). Does...

20 September 2020 3,463 5 View

How to set the fluent simulation species transport density item?

I use fluent to simulate species transport. The medium is sulfur hexafluoride and air. There is a density item under the mixture, and there is also under the fluid. Is there any difference between...

29 July 2020 7,414 4 View

How to detect brown pigments generated in red wine aging process ?

During aging or storage, the concentration of monomeric anthocyanins decreases rapidly, while low level of polymeric anthocyanins generates, and the color of wine turns brick-red gradually. In...

17 July 2020 6,032 4 View

How to calculate mode overlap ratio in Comsol ?

As is shown in attachment, there is hybrid plasmonic waveguide (HPW) and dielectric waveguide (DW), I want know how to calculate mode overlap ratio to evaluated the mode distribution similarity...

14 July 2020 2,275 3 View

Is there any organic solvent for MnCO3?

Since that my experiment could not be proceeded in aqueous. Anyone who know is there any organic solvent for MnCO3, the concentration could be as low as several mg/mL. Thanks

02 July 2020 9,654 19 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

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

How to identify what type of fillers are in a polymer?

Hello everyone, I have some PHAs blended with fillers and nucleating agents, yet I don't know what kind of fillers or nucleating agents. The producer has shut down and there's no way to get in...

24 February 2021 1,356 8 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View