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

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 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

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 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