What is the formula that can calculate the speed of fine particles in the air?

14 March 2017 1 3K Report

To find the quantity of sand that moves by the wind, we need to know the speed of displacement of its particles according to their diameters and the air velocity , so can anyone gives us the formula? ...

M.H Sellami

Hello Zeashan Khan

Thank you for your interesting answer...However i can't downlaod your pdf file (1201.453). But i 'll try to do it.

Regards

Badges
Science method

More M.H Sellami's questions See All

Could i use "Drude model" in HFSS??

I have designed a metasurface absorber using drude model in THz range in CST microwave studio. For further verification, i need to simulate the structure in HFSS software. But i don't find any...

13 March 2024 8,498 3 View

Could anyone help me with the process of refractive index sensing?

1.How aqueous glucose solution layer is created in CST software?

10 November 2023 7,325 5 View

Looking an open-source simulator for SDN (Mininet) and Blockchain (Ethereum) ?

Dear, I need your help, please. Could someone have an idea on an open-source simulator for SDN (Mininet) and Blockchain (Ethereum)? Thanks.

24 August 2021 3,734 3 View

Amorphous XRD Data?

Dear colleagues, I analyzed my material using XRD analysis and the material has shown amorphous behavior , how can I specify the composition of the material is there any extra analysis I can...

24 December 2020 1,620 10 View

Can you put cells from -80 to liquid nitrogen?

Hi all, I have kept cells in -80 for several months, can I transfer them to liquid nitrogen now after all this time? I am afraid they would not survive.. I appreciate your input Thanks!

12 July 2020 3,881 2 View

How to compare two groups likert scale answers?

Hi, I am conducting a research on gender differences for uses and gratifications on social media. I have 20 5-point Likert scale affirmations in my survey. I would like to know how I can analyze...

18 June 2020 5,621 5 View

Solar cell exciton binding energy ?

Dear colleagues.... what is an exciton and why it’s binding energy is important in solar cell material? Thanks

30 April 2020 1,931 12 View

How to compute the probability for a firm to move from on group to another in a panel database?

Hello, I have a panel database for firms i (90 firms) across year t (from 2013 to 2019). Some firms witnessed a cross border investment in a year that is between 2013 and 2019. I created a...

06 December 2019 6,066 3 View

Why am I losing E-Cadherin expression in normal cells for western blot?

Hi, I have been culturing 16HBE cells in MEM/10%FBS and suddenly I have lost the expression of E-cadherin in Western blot for these cells, even though they are normal epithelial cells and they...

04 July 2019 4,565 0 View

How can you prevent cells from clumping on a coverslip of a 24 well plate?

Hi, I'm trying to stain my cells after transient transfecting them but each time I get the cells either over confluent, or clumped in the middle even though I swirl the dish in an 8 shape to...

15 March 2019 6,756 2 View

An animal in not a rock (e.g., Koch 2013), it has an internal constitution that can be modified?

Vertebrates and invertebrates (e.g., arthropods: insects, crustaceans, etc.) have two different neuro-muscular systems given their differential construction: the former have an endoskeleton and...

07 August 2024 648 0 View

Stability of the Solar System: Insights from Einstein’s Equations ?

The stability of the Solar System is a complex subject that blends the classical framework of Newtonian mechanics with the modern insights provided by General Relativity (GR). Understanding this...

07 August 2024 2,569 1 View

How to determine positive-stained cells in FACS? Use isotype or unstained control?

To compare positive and negative cell populations in flow cytometry, should I compare unstained cells with antibody stained cells? Or with the isotype control? Most papers show comparison with...

06 August 2024 6,728 6 View

Why do we equate male and female arousal?

Women, on the other hand, can become physically aroused (increased blood flow in the reproductive organs) without becoming psychologically aroused even in the slightest. (Robert Weiss)

05 August 2024 9,537 2 View

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity?

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity? What is the acceptable percentage of error (regardless of the metric)? Could you suggest...

03 August 2024 5,358 0 View

How to make a Lateral flow control line more uniform?

We have a lateral flow test on Sartorius 140 NC. The conjugate is gold-monoclonal antibody. Using different control lines (GAM, protein A, protein G) we get a very strong leading edge with reduced...

31 July 2024 4,510 3 View

Suggestions for the Annexin V Positive Control ?

Hello everyone, I am currently using washed human platelets to stain Annexin V as a procoagulant marker. Additionally, I am staining with PerCP-CD61 to identify platelet cells. So far, I have...

29 July 2024 8,624 1 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

Why cannot i find my protein on cell surface after antibiotic selection of expressing plasmid?

I cannot confirm cell surface protein expression by flow cytometry even after transfection and antibiotic selection of cells. Does it take long for proteins to express on the cell surface? the...

28 July 2024 3,178 3 View

Problem with Two-phase simulation?

Hello; I am conducting a CFD study on two-phase flow in a separator, utilizing refrigerant as the working fluid. For this study, I have implemented pressure inlet and pressure outlet boundary...

25 July 2024 2,309 5 View