Rietveld refinement of cement paste?

I am a beginner in rietveld refinement, my samples contain numerous overlapped peaks and amorphous phases. I have few doubts related to rietveld refinement of cement paste: 1. My quantifications...

11 January 2021 8,873 6 View

What's the diff. btwn Attitudinal & Psychological factors? Most important, which comprise factors of TPB, TAM (Davis 1989), and contextual factors?

Hi there Sometimes I get confused between psychological & Attitudinal factors. My study is related to the "factors influencing consumer purchase intention towards electric vehicles". The...

24 December 2020 6,065 3 View

How to perform convolutional neural network and deep learning algrothim in remote sensing?

26 November 2020 8,853 6 View

How to compute the horizontal and vertical velocities (involve in the subduction rate computation) from Argo data of Temperature and Salinity?

The goal is to compute the total/annual subduction rate of mode water. For this computation, we need horizontal currents (u,v) and vertical currents (w) at the base of the mixed layer when the...

04 November 2020 5,239 3 View

Does anyone observe formation of deposits on Silver thin films in clean room atmosphere ?

I pattened Silver by E beam lithography followed by e beam deposition and lift off. Over a period of two days, they seem to be developing deposits on the surface. My substrate does come in contact...

27 October 2020 5,355 3 View

Is there any highthrough put method for screening of microbes having Bsh activity ? #probiotics ?

can anybody help me with In-vivo screening strategy for microbes having Bsh activity? I want to explore them for cholesterol lowering activity?

11 October 2020 6,355 3 View

How to use solar power in water supply distribution network system?

How solar energy can be used to operate pumps? How much solar energy can be generated?

29 May 2020 7,522 7 View

Why there is sudden potential drop during discharging in Li ion battery?

It charges in 2 Hr up-to 4.5 V but sudden potential drop up to 1.5 V during discharge process.

13 November 2019 8,798 10 View

Is it possible to excite P3HT film around 800 nm in PL?

I had prepared the P3Ht film (~100nm) and recorded the PL spectra at an excitation wavelength of 780 nm and the emission spectra resembles the similarity to that recorded at excitation wavelength...

17 July 2019 9,422 2 View

Can the crystallinity of a polymer be changed without adding nucleating agents ?

I was working on a project where I had to work with isotactic PP (Repsol isplen g3e 002) and extrude different films with different levels of cystallinity without using any nucleating agent. So I...

10 July 2019 6,147 3 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

How to estimate 2SLS with different instruments for different endogenous variables?

To be specific, I want to conduct an IV regression in stata with the following three equations. EQ1: Y1 ~Y2 Y3 X EQ2: Y2 ~ Z1 EQ3: Y3 ~ Z2 Both Y2 and Y3 are endogenous. However, Z1 and Z2 are...

23 February 2021 6,266 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

Which is the best software or programming language (user friendly) for analysing data?

I have a basic knowledge on Python, R and MATLAB in analysing data. Among those, which is the best and user friendly? Which one should I learn deeply to analyse data?N:B: I want to learn data...

20 February 2021 3,950 15 View

What is/are the best ML classifier(s) for Sentinel2 images?

Hi I am trying to segment a sentinel2 image. At this stage, I want to run a binary classifier that assigns each pixel to either farm or non-farm pixel. For this purpose, I have 4 10m bands...

15 February 2021 3,596 9 View

What will happen when we assume an upper bound of OFV lower than the global minimum OFV ?

if we assume 20 is the upper bound of an objective function (OF) based on permutation a square matrix (nxn) , The minimum value of the OF=22, then we run a random operator to compute the OF by...

14 February 2021 6,056 5 View