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Questions related to Materials Engineering
Several methods have been reported for micelle preparation. What do you think is the best one? Thin film hydration method? Or dropwise addition to water method? What are the possible advantages...
02 November 2022 1,480 4 View
I am working with a biosolvent derived from E.crassipes and I intend to characterize the surface area using BET. How do I calculate the pore diameter from the data obtained by BET? Please,could...
17 February 2022 5,559 4 View
I prepared gold nanoparticles (NPs) via green synthesis. After lyophilization, I got the powdered form of nanoparticles. For characterization i.e. Zetasizer, TEM etc. and to check biological...
08 February 2022 5,418 6 View
Hi, I'm trying to coat magnetic nanoparticles with silica. I know that there are plenty of publications in the literature. But I still couldn't solve my problem. There is a method I also use...
06 February 2022 6,489 8 View
Dear All I would like to coat silicon tubings (Tygon) with 1% Pluronic F127 to prevent cell attachment inside the tubing. Can I use the coated tubings 1 day after I coated or should I use...
22 November 2021 4,637 0 View
i need some resources about the production process and raw material of Silicon carbide saggers in sponge iron reduction via the tunnel kiln method.
12 October 2021 3,075 2 View
after the reduction process of iron ore in presence of coal and lime, some waste material including coal, lime, etc. remain. how can we use it again or can we use it for some other applications?
03 October 2021 2,846 2 View
Need help from someone with experience in Solid-state 13C-NMR of coal. I can be reached at [email protected]. Thank you.
10 September 2021 8,104 2 View
Dear All I would like to use a peristaltic pump that exerts minimum occlusion in the rotating part of rollers, since cell flow will be inside the tubings. Therefore, is there a commercial...
07 September 2021 9,196 0 View
Dear All I will be using a peristaltic pump with 4 or more tubings with flow rate range nearly 0.2 ml/min to 40 ml/min. Which peristaltic pump brand do you recommend? Thank you very much. Best...
16 July 2021 6,773 2 View
Dear . I have a Laser vibrometry unit with a scanning head PSV 500 and a sensor head OFV-505/503. The optimal stand of for OFV-505/-503 is "234mm +(n.l)" The optimal stand of for PSV-500 is...
30 June 2021 4,857 4 View
Chemical composition of Precursor i.e., Fly Ash
09 June 2021 7,423 3 View
I was wondering if anyone had advice on removing a nickel hard mask - which seems to have become resistant to my standard Nickel etch. The sample is GaN with a hard Nickel mask, which has...
26 March 2021 6,294 3 View
I'm using the ferric ion spectrophotometric method for thiocyanate determination and seem to be getting false positive readings. The sample contains significant chloride which I am aware can...
25 March 2021 4,922 2 View
I looking for ferro calcium production process
04 March 2021 2,462 4 View
Hi everyone, I'm trying to understand if anyone has ever generated ependymal cells from iPSC, apparently there is not much in literature on the topic and I don't think is a trivial matter. Any...
25 January 2021 5,328 1 View
The value of stiffness/elastic modulus(Cii,Cjj) affects crystallographic planes in many ways like maximum shear or maximum tensile stress when stress is applied. The anisotropic materials show...
24 January 2021 3,105 2 View
Hello all! In the framework of our capstone project, we have a combustor burning primarily hydrogen and other hydrocarbons. We have to size the apparatus, ie find its precise dimensions (height x...
14 January 2021 702 2 View
Hello to all What is the gradient thermal annealing (GTA) process?
07 January 2021 8,051 2 View
I've started a thesis(bachelor) on a Mn mine in Poggio S.Vicino(IT), i went for some field researches and to collect minerals in situ(Mn oxides) usually found as Coatings on other minerals such as...
05 January 2021 1,202 2 View
Anodizing of SS304 creates a thick oxide layer on that. Is this layer non-electrical conductive? What thickness should be obtained in order to make the surface non-electrical conductive?
02 January 2021 3,636 4 View
What sulphur compounds are present in diesel fuel
11 December 2020 9,918 3 View
DFT calculations are performed for oxo-cluster of transition metal which contain heavy atoms, I would like to know which one I have to take on consideration the spin orbit coupling or relativistic...
11 November 2020 2,433 4 View
I have a silicon wafer with 100nm Al2O3 deposited on top by magnetic sputtering, which was patterned by lithography to open holes and expose the silicon below. A polycrystalline layer of CuInSe...
19 October 2020 8,457 6 View