Any tests that have been done , which shows how the horn's coating is affected by the number of cycles and also the Ultrasonic Metal Welding 's process parameters ?
Hello, I'm performing system identification of the lateral closed-loop dynamics of a quadrotor. My model receives a setpoint and should return position and acceleration. I've proposed a second...
07 February 2021 9,791 2 View
I have coated the Silicon wafer with photoresist (AZ1518) but until the exposure (Laser Writer) I had to wait for more than a week (Laser Writer was not operative) - would the photoresist still be...
03 January 2021 9,640 4 View
The DNA molecule is in the form of a double helix, The atoms which compose it are carbon, nitrogen, hydrogen, and phosphorus
02 January 2021 4,402 3 View
I always found confusing both concepts! Which one do you think is more important? I give an example: The journal of "Theoretical and Applied Climatology" has an impact factor of 2.88, but it's a...
01 December 2020 8,608 19 View
Salam (Hello)! We have prepared some new compounds with important potential to inhibit viruses. We are interested in inhibition of Hepatetis-B/C, Nipah, Nil and coronavirus. Who can collaborate...
22 November 2020 3,850 14 View
I am starting a project with the HAP1 cell line and previously our lab has had difficulty to transfect them. -we have nucleofection equipment - but have only been getting ~10% transfection -i...
19 October 2020 5,340 2 View
How trauma and fear of infection can affect brain functions and structures?
10 October 2020 6,642 1 View
I am a Phd student and I need to do XRD analysis on my pouder samples namely ( cement- sand- limestone and calcined clay). I was asked asked to specify the analysis conditions: -the nature of...
07 October 2020 5,737 6 View
I am trying to make a gel from APTES as a precursor using the sol-gel reaction. I tried different solvents (ethanol, acetone, DMF) and different catalysts (basic and acidic) with different...
03 October 2020 9,673 5 View
I'm interested in evaluting the evidence in the literature I've collected for spatial/anatomical variation in an MRI measure. The data consists of mean values, standard deviations and sample...
14 September 2020 8,910 1 View
Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...
01 March 2021 8,220 2 View
I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...
28 February 2021 1,638 3 View
I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....
28 February 2021 7,967 3 View
Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...
28 February 2021 2,116 1 View
Do we immerse the bricks horizontally or vertically ? #bricks#waterproofingsurface#civil#engeenering#chemicalengineering#wax#parafinwax
28 February 2021 6,685 2 View
I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?
28 February 2021 274 2 View
I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...
27 February 2021 1,829 3 View
It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?
26 February 2021 1,760 8 View
Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...
26 February 2021 6,151 2 View
Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...
25 February 2021 3,443 4 View