I am looking for 3D printer model files for a cubesat frame that could carry a camera similar to those of Gomspace?

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What topic or subject does Production Engineering need to address more?

Contemporary scores or innovations in scientific approaches. Hybrid methodologies, emerging themes and cross-cutting issues?

27 July 2024 648 3 View

Can I use candle-jar technique to lactic acid bacteria?

I don't have the anaerobic generators (Anaeropac) so I'd like to try the candle-jar tecnique for the cultive of lactic acid bacteria

15 July 2024 8,890 2 View

Help to isolate Ralstonia from plant tissue?

I need tips for isolating Ralstonia solanacearum from eucalyptus. I have used some methods, such as isolating from root exudates, but it didn't work. I also tried indirect isolation from macerated...

02 July 2024 9,807 3 View

Uncertainty estimation (standard deviation) of XPS peaks in CasaXPS?

I'm looking for a way to measure the uncertainty (standard deviation) on the quantification (area) of the components of an XPS spectrum using CasaXPS. I found these options in the software, but...

04 June 2024 902 2 View

Comment ajoute-t-on un lien avec HAL sur ResearchGate ? / How do I add a link to HAL on ResearchGate?

Je voudrais donner l'accès à la version auteur de mes articles référencés sur ResearchGate avec le lien HAL. Comment faire ? Où indiquer le lien HAL ? I would like to give access to the author...

27 May 2024 2,668 3 View

Inconsistente results with cell line LX-2, any advice?

Hi there! I'm working on my master's thesis and for my project I'm testing a new curcumin derivative in liver fibrosis. I'm working with the cell line LX-2 and have been having problems since the...

21 May 2024 2,171 0 View

I'm having trouble extracting total RNA from a culture of macrophages derived from monocytes infected with Leishmania infantum. Can someone help me?

I start my primary cell culture in a 24-well plate with 2x10⁶/mL PBMCs obtained through Ficoll gradient. After 24 hours, I wash the wells with saline to leave only adherent monocytes (~1x10⁵) in...

12 May 2024 1,045 4 View

How can I set the distance between peptide and bilayer using Packmol?

I still find Packmol very tricky with parameters. I have two pdb files, one with a pre-quilibrated bilayer and one with the peptide of interest. How can I create a system with three copies of the...

29 April 2024 8,231 1 View

What requirements (or qualities) are most important to be a good university professor?

22 April 2024 3,009 5 View

¿Cuáles son los errores mas comunes en la implementación de las políticas públicas?

Por ejemplo en el Perú, se ha trabajado una interesante política de seguridad ciudadana con claras directrices, sin embargo los resultados de sus indicadores son contraproducentes, además el gasto...

20 April 2024 9,405 2 View

Can you suggest reliable sources defining "3D mesh" and "3D city models"?

Dear fellow researchers, I am currently working on a paper where I need to provide a reliable reference that defines and distinguishes between 3D mesh models and 3D city models. Although I am...

06 August 2024 9,986 2 View

How to preform densitometry on SDS-page bands?

I ran a SDS-page of a bacterial lysate and I want to quantify protein concentration in a specific band. I was thinking of using a standards ladder or make some standards are different...

05 August 2024 9,805 3 View

What are the shear and normal stiffness values of an LLDPE liner in 3D numerical modeling of a stockpile?

I am seeking experimental or applicable data for the liner (LLDPE) interface in FLAC3D numerical modeling of a large stockpile. Could you please recommend suitable references? The preferred data...

05 August 2024 3,665 0 View

CAD File of human's & rat's respiratory airways ?

Dear all, I am working on particle deposition in human's & rat's respiratory airways using CFD and I am looking for the 3D CAD file for my simulations (STEP or IGES format). If somone has such...

29 July 2024 1,092 2 View

How the KwaZulu natal riot affected south Africa?

How the damages of building and shopping centers affected the south African economy?

24 July 2024 5,401 2 View

Cell optimization in 1D Nanotubes?

Dear All, I use Quantum Espresso. I want to optimize the structure of the carbon nanotube using the vc-relax. I got confused about how to fix cell_dofree here. For 3D, cell_dofree = 'all' or...

22 July 2024 5,708 0 View

How to classify 3D Bioprinting as a part of Additive Manufacturing?

Hello, I have a problem in classification of "Additive Manufacturing" techniques. There are several classification for Additive Manufacturing e.g. Powder, Extrusion, Resin etc. Actually, I am OK...

15 July 2024 139 3 View

Which software use to i make this graph quickly and also make more dimensions of this graph( i mean adding vertices or lines in this graph)?

Anyone kindly tell the name of software that make this graph quickly and also tell how we add vertices or lines in this graph with equal distance to get next dimensions of this graph ( i mean how...

11 July 2024 4,499 2 View

Quelles applications innovantes peuvent bénéficier des propriétés des géopolymère?

Les géopolymères offrent plusieurs propriétés intéressantes qui peuvent être exploitées dans diverses applications innovantes : 1. Construction durable : - Bétons à faible empreinte carbone -...

10 July 2024 7,457 1 View

What should I upgrade in my computer to speed up simulation in CST?

I want to reduce simulation time in CST for frequency domain solver by upgrading my computer. I already have discrete GPU but it doesn't seem to make any difference at all compared to integreted...

10 July 2024 2,789 4 View

Christopher Shneider Cerqueira

Professor, me passa depois que eu posso desenhar pro senhor.

Walter A. Dos Santos

Muito Obrigado! Vamos projetar um protótipo e passamos.

Felix W. Baumann

Dear Walter,

If you are looking for cubesat STL files, NASA has one: https://nasa3d.arc.nasa.gov/detail/cubesat, there is one on grabcad: https://grabcad.com/library/cubesat-1u-3, and one on thingiverse: https://www.thingiverse.com/thing:27300

Regards

Felix