What batteries should be used in electric vehicles in the conditions of Central Asian climate?

The most suitable elements are Li4ti5o12. The battery is more optimal in parameters and fits the minimum requirements presented for a battery pack for electric vehicles such as a long service life...

06 December 2019 932 3 View

What fraction of polymer would be in a solvent droplet with a single nanogel spreaded over the solid surface?

06 April 2016 7,695 3 View

What is the best algorithm for supervised text categorization of papers?

I have a training set of ca. 2500 manually categorized abstracts and want to automatically categorize 4M papers. What is the best tool to download? Till now, I have only 90% with Kappa at 0.8 in...

12 March 2015 6,523 12 View

Biofuel use, what are the prospects of biofuel use in Uzbekistan?

Household, industrial and animal waste needs recycling and gas generators, and the use of crops for biodiesel production can be a solution.

01 January 1970 7,243 14 View

What is your opinion about alternative energy?

Solar power plants are best installed in steppe zones. Will large areas of solar panels affect the ecosystem of the steppes? Thanks for the comments.

01 January 1970 9,127 58 View

What engine oils to use in winter?

In the case of the selection of lubricants for winter, it is necessary to choose the product that will be best suited for viscosity and temperature indicators. Conventionally, "winter" oil in the...

01 January 1970 6,280 4 View

What device can be used as an air-solar collector?

The solar heat that we have in abundance and appropriate use is not only a benefit in monetary terms, it is also useful for humanity which is slowly but surely destroying nature with harmful...

01 January 1970 5,083 6 View

Is there any effect of trypsinisation of adherent cell line in Lipidomics analysis?

Hi, I'm wondering whether trypsinisation procedure to detach adherent cell line can alter the lipidome profile and hence produce misleading result? I found one paper suggested using scraping...

01 January 1970 6,795 2 View

Solar energy in Uzbekistan, what are the forecasts for development?

Solar energy is a great asset of Uzbekistan. Solar days in a year 300 days and therefore the use of solar energy in alternative renewable energy is the most profitable project.

01 January 1970 7,318 11 View

What is your opinion about alternative energy?

- For solar panels-toxic production and toxic disposal - For wind -noise problems, toxic batteries and disposal - For hydroelectric power plants-disturbance of local ecosystems and soil flooding -...

01 January 1970 4,721 69 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

How to improve and implement WBAN MAC and Radio modules under Castalia 3.2 ?

Hello researchers, Hello Castalia3.2 researchers I am a beginner with Castalia, I work on optimization of RFID systems used in wireless body networks. I simulated a WBAN with 10 nodes and one...

28 February 2021 400 1 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View

Anyone with some Transgenomic Wavemaker software? Seeking help from the chromatography community?

I am trying to seek out some Transgenomic Wavemaker software (happy to purchase a computer too) to operate a fraction collector. The only way to connect to the fraction collector so far is to...

23 February 2021 9,181 1 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View

How to correctly choose the number of solution intervals when preforming harmonic analysis in ANSYS?

Good day, I design the rail-wheel geometry and the harmonic frequency ranges between 20-10kHz with 500Hz solution intervals and the results makes sense. Most of the time on the related literatures...

19 February 2021 3,190 3 View

Dataset for CNN based spectrum sensing?

I am doing a project concerning Cognitive Radio Networks, My project is about CNN based spectrum sensing. I need a dataset for my CNN model. The input data will be energy features from signals.

10 February 2021 954 3 View

How to model in HFSS or FEKO Free Space Material Characterization?

I am having trouble setting up this problem in HFSS or FEKO. In HFSS, I've tried both FEM and FEBI-IE solvers. With FEKO, I've tried it's MoM solver and default settings. I am would like model...

09 February 2021 375 2 View