How can I prepare tensile test sample according to ASTM E8?

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How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

In panel data, How FGLS method eliminate heteroskedasticity?

Hi everyone Dear friends I have a panel data model with heteroskedasticity, I know one way for overcoming this problem is to use FGLS method. I've searched a lot, but i don't get how this method...

07 February 2021 2,990 5 View

How can simulate electroplastic effect using crystal plasticity?

Hi everyone, I hope you are all fine, As a part of my Ph.D. I'm trying to simulate eletroplastic effects on forming of titanium alloys. I'm trying to use crystal plasticity but I'm not sure if it...

20 January 2021 2,832 1 View

I need some experts to help me in analyzing the map and data of that map?

My name is Sajjad Ahmad khan email :- [email protected]

31 December 2020 6,158 2 View

Asking for help is about Twitter-Sentiment-Corpus-3 dataset?

I have an urgent need for the Twitter-Sentiment-Corpus-3 dataset. Please help me in this regard and anyone who has this dataset either sends it to my

29 December 2020 3,413 3 View

Asalam o alikum, Can anyone please help me in interpretation of XRD data?

Actually, I want to present the in table form (dcal , dexp, 2 thita, hkl) but don't know how to find these values from data.

28 December 2020 6,769 4 View

Why band gap energy of cobalt ferrites is increased with increased in zinc(dopinng element) concentration?

In most of cases band gap energy of cobalt ferrites is decreased with increase in Zinc concentration that is hold to brass model. But when energy band gape is increases with increased...

03 December 2020 2,439 3 View

What the weak diffraction spots indicate?

These diffraction patterns were obtained for TbCu7 type SmCo7 melt spun ribbons. XRD patterns shown that there is only one phase in these alloys. I do not understand what the weak diffraction...

17 November 2020 4,937 4 View

What is the phase reference for a plane wave excitation in CST?

Suppose, a plane wave is incident on a uniform linear array of dipole antennas. I would like to calculate the voltage induced at each port. I am interested in the phase difference of the voltage...

29 October 2020 4,143 3 View

LC - MS/MS data Analysis?

Do you know how to interpret the data from LC - MS/MS analysis? I have peaks with me and need to know how to identify unknown compounds.

05 October 2020 2,995 7 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

XRPD Quantification - Building a calibration curve of drug excipient?

I am aiming to utilise XRPD to quantify a drug excipient within a drug product and have been having a little trouble building the calibration curve to allow for this quantification up until this...

10 February 2021 6,145 3 View