May you recommend any software for PV circut simulations?

I look for a circut simulator which might be used by my students to simulate PV circuts. May you recommend any software or (preferably) online tool?

14 October 2020 3,041 5 View

Does anybody know DEM of Tajikistan?

Hello! I'm looking for good resolution DEM of Tajikistan. Now I have SRTM (30x30m) and ALOS AW3D30 (30x30m). Does anybody know about other free DEMs for this country in better resolution (than...

14 February 2018 1,491 4 View

Can you recommend any free-piston heat (Stirling, Ericsson) engine design manual or blueprints?

12 November 2017 9,951 3 View

Does anybody have an experience with revealing grain in the aluminium silicon casting alloys?

Hello, I need to reveal the grain structure in the aluminium silicon casting alloys. I have tried many etchants: Kellers, NaOH, HBF4 and some more, neither of them give acceptable results even...

25 January 2016 7,825 26 View

Can you explain this very big gene expression?

05 December 2014 6,519 4 View

What PBLAS implementations do you use?

There are several implementations of BLAS - Intel MKL, ESSL, GotoBLAS and its more recent variants: OpenBLAS (that I use myself) and Survive GotoBLAS... But they are designed for single (yet...

23 March 2014 8,681 3 View

Polymer surface activation analysis

Good afternoon, Currently, in my work I would like to use the process of surface activation (using laser techniques) for thermoplasts. I'm not familiar with the theme yet. Could you suggest any...

01 January 1970 4,831 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

Are there methods for automatically mapping floodplains, fans and terraces?

I want to map these river geoforms with as little subjectivity as possible. I have a high resolution DEM generated by drone data.

22 February 2021 7,800 3 View

Covid 19 Pandemic ' impact on digital transformation?

Covid 19 Pandemic and digital transformation

22 February 2021 3,351 5 View

How can we improve AI in detecting fraudulent activities on digital payments?

I am conducting a study on the effectiveness of AI towards detecting and averting digital payment fraud. What are the popular AI techniques being adopted in mitigating digital fraud and how could...

21 February 2021 3,888 4 View

Are we using now IT technology effectively?

I discover now two my papers, which are more then 30 years old and which are describing something, what was done in years 1985 -...

21 February 2021 5,008 3 View

Do I need to introduce HFD to ob/ob mice to obtain a T2DM model?

I am planning to work on T2 diabetic animals and check the efficacy of probiotics. My initial plan is to fed B6 animals with HFD for a while. But now, I have the chance to work on ob/ob mice. My...

18 February 2021 6,896 3 View

What are the options for global scale hydrology DEM?

Hello, I am working on a global scale hydrology GIS project delineating global watersheds and doing some data analysis. I have in the past used hydro1K from the USGS that cover the entire world....

18 February 2021 5,109 5 View