In your opinion, which methodology is the best for calculating the City Development Index (CDI) and Urban Sustainabiluty Index (USI)?

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Does anyone know a simple method of applying phophor powder to glass as a thin film?

We have phosphor powder (for white light emission under irradiation). We need to make a screen to visualize the electron beam. And there is glass coated with ITO. How to deposit a layer of the...

25 May 2024 1,489 2 View

Is there any practice of rehabilitating degraded as a result war actions soils?

Soils that are physically destroyed by bombardment with various types of weapons lose their identity due to the destruction of their genetic profile. Is there any practice of rehabilitating such...

16 January 2024 2,927 1 View

Temperature for P evaportation from InP?

I am looking for information about the tempeartura when P starts evaporate from surface of an InP crystal. I remember value of around 300oC, but don't remember the article where saw this...

11 January 2024 9,300 4 View

Who can repair Varian L832-301 board for Varian Ion Gauge?

Who can repair Varian L832-301 board (Hot Cathode Board) for Varian Ion Gauge for old Varian Multigauge?

23 August 2023 8,976 0 View

Old cryostat for parts?

Do anybody has unused Semilab cryostat? For sale. We need some parts for our cryostat. Regards,

17 May 2023 8,288 0 View

Please help with the protocol: How can we prepare ohmic contacts for gallium oxide crystal ?

We want to make a vertical Schottky diode on a commercial Ga2O3 crystal. Characteristics of the crystal: β-Ga2O3 (-201), Sn-doped, Nd-Na = 5e18 (cm-3), h=680 micron. We are going to prepare the...

08 February 2023 6,053 1 View

Is there any method for preparation of thick TiO2 layer by using TiO2 nano-powder?

I am looking for a simple (chip) method to prepare TiO2 thin (or thick) film on different surfaces by using nano-powder (or micro-powder) of TiO2. Does anyone know this method?

10 January 2023 10,042 2 View

Is anyone interested in modern state estimation techniques?

Look into the book Y. S. Shmaliy and S. Zhao, Optimal and Robust State Estimation: Finite Impulse Response (FIR) and Kalman Approaches, Wiley & Sons, 2022. This is the first systematic...

17 October 2022 9,025 5 View

Hello, I have to work with cells HSC-3. Can you recommend me how to do polarized layers of this cells. Or maybe an article where it is good described?

Maybe exists protocol for this process. Thank you very much.

15 September 2022 6,937 0 View

How to meassure refrative index of polycrytalline powders?

What experimental techniques are suitable for determining the refractive index of solid polycrystalline powders of complex compounds available in small (up to 200 mg) amounts? The required...

19 June 2021 804 0 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

What are the key methods and indicators used in assessing the biodiversity of river ecosystems, and how do these methods account for variations ?

Biodiversity assessment of river ecosystems is crucial for understanding the health and stability of these environments. This question aims to explore the various techniques employed to evaluate...

07 August 2024 4,290 3 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 4 View