Interpretation of X-ray reflectivity spectrum?

Dear community, I performed XRR measurements on thin film AuAgSi alloys deposited on Si substrate, please see attached image. For simulation i included 2 nm of SiO2 on top of the substrate and i...

03 February 2021 5,325 2 View

What is the best GIS tool to calculate connectivity score for a point along aquatic network?

Hello, I am looking for a GIS tool (ArcGIS, QGIS, R, etc.) that will calculate a measure of habitat connectivity for nodes along an aquatic (estuarine) network? My dataset is comprised of a...

12 January 2021 6,107 2 View

Can I sequence PCR products from green masterm mix without purification?

I wonder if anybody has an experience of sequencing PCR products where master mix contains green dye for gel loading. What if I will purify them with enzymes instead of gel extraction or...

18 May 2020 5,831 5 View

How to calculate circular dichroism in VASP?

Is there an option to calculate circular dichroism in VASP. If not in VASP then is some free open source software. I need to calculate the spectra for small inorganic nanoclusters (100-200 atoms)

07 May 2019 9,377 3 View

Does anyone detect the 'salt effect' when determining ammona in seawater, highly saline water or brine?

Does anyone detect the 'salt effect' when determining ammona in seawater, highly saline water or brine? How does the time of colouration change when using the indophenol blue reaction in salt...

09 January 2019 1,932 5 View

What types of mouse BM cells can adhere?

07 July 2016 9,616 3 View

Why ROC Curves developed by MATLAB tools are not completely consistent with ROC curves plot from "Principles of underwater sound" (Urick, 1983)?

07 July 2016 474 2 View

Can the antibody alone trigger the FcR-mediated effects in macrophages?

In some models of macrophage activation it can be triggered by the binding of immune complexes to Fc receptors. But in reality free antibodies can also bind FcRs (that's why we use the Fc block in...

18 April 2016 5,292 2 View

I'm involved in CVD graphene preparation and I need a gas diagram (Ar, H2 and CH4) for a CVD equipment. Can anyone help me, please?

Actually I have almost everything for the experiment - chemicals, foil, CVD equipment and so on. And here is the thing - how to adjust the flow of gases?Here you can see a part of a receipt from...

16 March 2016 7,373 3 View

Why are my macrophages positive for both CCR7 and CD206?

I have stained mouse BM with F4/80, CD11b, MHCII, CD206 and CCR7. Cells were Fc-blocked. When gated on F4/80_hi/CD11b_med-hi, I see a population that is CCR7+/CD206+ double positive (see...

31 January 2016 1,192 5 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 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

Anyone that can help with Maxquant TMT16plex which is missing?

Hi I am very new to proteomics analysis. I have got raw files from core facility running thermofisher TMT 16plex 4 hours. I cannot find on maxquant the option TMT16Plex there is only up to 11...

25 February 2021 1,675 3 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

How to properly calculate the fluid solid heat transfer between polypropylene matrix and glass fiber in a porous medium?

I'm building a cfx model of thermoplastic pultrusion process on ansys and i have a doubt on how is the proper way to set this parameter in a porous medium

24 February 2021 1,915 1 View

How to determine solutionizing time for cast Al alloys?

For wrought alloys soaking time at solutionizing temperature is determined by thickness .Do we have such standards for cast Al alloys

23 February 2021 8,839 3 View