which material is used as base for thin film sample preparation in XRD analysis?

kindly guide me to prepare a Thin-film sample of nanoparticles for XRD analysis.

10 January 2021 3,744 4 View

Why is Statement of Problem one of the most challenging part of academic research? Why do supervisors pay more attention to it instead of methodology?

Some MSc and Ph.D. supervisors are having a lot of issues with understanding the Problem Statement of their students' research works. Sometimes, it leads to complete rejection of the whole...

04 January 2021 3,574 6 View

Anyone knows about .odb_f file generated by ABAQUS?

Hello all, I'm running a Bone Remodeling simulation in ABAQUS in which I just use basic ABAQUS Static simulations in every loop with an amplitude table to model the loading behavior & after...

19 October 2020 4,417 2 View

How to apply distributed load in a 2D model with plane stress/plane strain thickness in ABAQUS?

Hello all, I'm currently working on setting-up a 2D bone remodeling problem of a femur from literature. I take a 2D femur geometry and give it an out-of plane plane stress/plane thickness in...

06 October 2020 2,623 5 View

Why very few journals related to agriculture and allied subjects are included under scopus indexed journals?

In 2020 scopus indexed journals, very few journals of agriculture and allied subjects are indexed. Why is it so ?

03 October 2020 5,836 1 View

Is it possible to get a standard questionnaire or how to develop it, to measure perception & attitude of healthcare professionals towards investment?

I'm planning to adopted a standard questionnaire to conduct a survey that will measure the perception and attitude of healthcare professionals on investment and access to loans in the...

20 September 2020 4,911 2 View

In case of nanofluid flow within an enclosure, does the heat transfer trend follow the same trend as the thermal diffusivity of the nanoparticles?

I am trying to simulate the nanofluid flow within an enclosure for different nanoparticles e.g. Ag, Cu, CuO, Al2O3 and TiO2 . In the case of Ag and Cu, the heat transfer rate are almost same. I...

04 September 2020 7,988 7 View

Does Recycled aggregate offer strength?

Construction and demolition waste are increasing in large amount and now it is employed as a replacement of coarse aggregate in concrete, use of these type of waste do offer strength in concrete...

07 June 2020 4,548 11 View

Can I use flow cytometry to detect a rare population of around 150 cells in a single-cell suspension of 150,000 - 500,000 cells?

I am looking to detect a rare population of 150 cells via flow cytometry and analyze a subset of this population with one cell-surface marker. Sample size will be about 150,000 to 500,000 cells in...

12 May 2020 8,336 7 View

How to evaluate the In vitro study for coronavirus (COVID 19 Inhibitory activity)?

Dear Researchers .... Need help for COVID 19 drug discovery. Recently, COVID-19 main protease crystal structure was deposited in the protein database (PDB ID: 6LU7...

08 March 2020 3,853 4 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

What could be the cause to have an E.coli DH10B transformed with pUC18 to grow in MKL + ampicillin but is not LAC+?

Hello everyone, I did a transformation of E. coli DH10B using pUC18 plasmid. The bacterias did grow on MKL medium with ampicillin but the colonies showed a white/pink colour and the medium was...

08 February 2021 9,720 3 View

Can I know how to apply contourlet transform for signals in MATLAB?Must I first convert 1D signal to 2D image in order to do this method?

Can I know how to apply contourlet transform for signals in MATLAB?Must I first convert 1D signal to 2D image in order to do this method?

01 February 2021 3,735 3 View

What are the pretrained-language-model that is obviously better than BERT and RoBERTa?

19 January 2021 602 2 View

WHOQOL - bref. test: how to conduct the correction?

18 January 2021 7,257 2 View

How to compute the phase from a fringe pattern using Hilbert Huang Transform in MATLAB?

I have computed line Wise IMF from the fringe data using empirical mode decomposition (EMD). For each line Segment I have more than five IMF sets but i am not able to understand that how to...

10 January 2021 5,036 1 View

Which statistical test is best to run on a heavily right-skewed dependent variable?

My dependent variable when graphed is heavily right-skewed. All attempts to transform it has failed (Log, Log10, Sqrt, ..). The most ideal test I would like to run is a multiple linear...

07 January 2021 2,705 4 View

How can I estimate and plot Logarithmic Error Bars (in Excel, preferably)?

Dear Dr.colleagues, I am currently plotting the dynamics of an infection in Excel. For each sampling day, I plotted the mean infection load of the population, using the standard error for the...

07 January 2021 2,069 3 View

Why I am not getting cultures of DH5 alpha and BL21 cells after transformation?

Even if I get them cultured colonies are very less and almost not transferable and grows very slowly in the media. I checked cells by transforming with control vector. I changed antibiotic also...

06 January 2021 1,013 3 View

How i can fix this problem for python jupyter" Unable to allocate 10.4 GiB for an array with shape (50000, 223369) and data type int8"?

my code: #building tf-idf from sklearn.feature_extraction.text import TfidfVectorizer vectorizer = TfidfVectorizer(analyzer = message_cleaning) #X = vectorizer.fit_transform(corpus) X =...

28 December 2020 3,624 2 View