Can difference-in-difference approach be used between two treatment groups?

I want to know if difference-in-difference approach can be used for two treatment groups. Can I use it it between them or should I first identify a control group and then compute the diff-in-diff...

20 December 2020 2,825 1 View

Lyophilization problem related to Bacteria derived Gold Nanoparticles?

Respected Dr Yuri and Rawle We have prepared the bacteria derived gold nanoparticles and for its antibacterial and antioxidant applications we want exact concentration and for that purpose we...

25 November 2020 2,565 3 View

Respected fellow members, can you suggest me some GIS based thesis proposal topics?

Dear all, I am currently in last year of Bachelor of Urban Planning course and mostly interested in doing thesis based on GIS application. Please suggest me some topics for the...

29 August 2020 9,747 6 View

I am doing modelling of Fiber metal laminates by using a solid plate element The model having large cutout is showing more buckling load than smaller?

I have modelled the plate using 11 ply layer in composite layup manager in ABAQUS including the Aluminum and glass fiber layers. Al/0/90/0/90/Al/90/0/90/0/Al is the layup. I am using Aluminum with...

22 July 2020 6,437 2 View

When training a deep learning model should the validation loss be greater than or smaller than the training loss?

While training a deep learning model I generally consider the training loss, validation loss and the accuracy as a measure to check overfitting and under fitting. And different researchers have...

22 July 2020 4,106 12 View

Scan mode of UV-Vis for nanoparticle formation?

I am trying to prepare titanium isoproxide nanoparticles using plant extract, but when I trying to characterize them in full scan UV-Vis mode my peak did not come. it comes in 222nm. Even I...

11 March 2020 2,921 8 View

How to find write SNM of sram using Cadence Virtuoso?

I am getting the butterfly curve for read SNM but for write snm when i am appling test signal at Q and giving necessary gate signals not getting the curve as i want.

26 February 2020 8,596 3 View

How to export the data in a .str file in silvaco?

I am trying to show the variation of various parameters along the length of a device in silvaco. I am able to generate a tonyplot from the .str file but am not able to export the data. I need to...

07 February 2020 4,682 4 View

What kind of interaction is between laser and graphene under various substrates ?

Hello Everyone, I am developing graphene sheets by CVD process on Cu foils and then transferring onto various substrates such as glass, Si and Si/SiO2(200 nm). After the process, I confirm the...

03 February 2020 8,753 3 View

How to run a SILVACO in a loop ?

I need to simulate various solar cell structures in SILVACO. I need to change certain parameters (mobility, width, etc) and observe the effects. Is it possible to somehow automate the process?...

03 November 2019 2,568 4 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

Is it possible to highly selective remove a fused silica template from PDMS by laser-induced backside wet etching (LIBWE) method?

Hi everyone I'm trying to pattern circular cross-section microfluidic channels in PDMS. The template is an optical fiber with an axially non-uniform diameter. To the best of my knowledge, there...

22 January 2021 2,352 2 View

What is suitable etching resist coating for polished Titanium Grade 5 surface?

Currently we start a chemical etching project. This project involved etching a polished titanium grade 5 surface part. We facing a problem where by our etch resist coating peel off during etching...

15 January 2021 1,592 3 View

How to Strip off HSQ( Fox 16) after etching?

We are finding a hard time to strip of residual HSQ ( Fox 16) after using it as a mask in etching? We are coating 600 nm thick HSQ and writing with 3000 microC/cm^2 dose at 1 nA current. We are...

08 December 2020 5,452 2 View

How to functionalize mineral surfaces with silanes?

I would like a method to modify mineral surfaces using silanes. The purpose is to alter the hydrophobicity of the minerals so as to test them in a flotation exercise. Is there a way to effectively...

29 November 2020 8,243 7 View

How to realize silicon etch using PDMS stamp?

I am trying to make silicon etch with KOH, using a silicone stamp similar to PDMS. So I did the manual bond between silicone stamp and silicon but when I put them in KOH solution they separate...

18 November 2020 7,114 3 View

How to etch AA6063 tlp joined to ferritic steels?

Hi, I have a serious problem to etch AA6063 properly. I use Keller's reagent but there is no visible grain after etching using a microscope! In short times there is no effect and after a while...

28 October 2020 8,196 4 View

What is the etching process of a commercial ITO coated glass?

I needed to make electrodes on ITO glass by etching. I read different ratios of mixing HCl, H2O and HNO3 would etch. I did not follow which one would work for a commercial ITO. Will it work if I...

26 October 2020 4,073 5 View