1. true stress-strain curve for low-carbon steel ?

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1 I want the solution in excel with results.?2 I need and solution for both problems?

I want the solution in excel with results. I need and solution for both problems

19 August 2023 3,636 0 View

What is the variance and extratrees split rule in Random forest model ?

Hi, I'am running the random forest model under caret R package. I 'am look for an explanations or literatures about the split rule : variance or extratrees. Sincerely.

19 October 2022 5,650 1 View

How to Compare the safety of two drugs?

I have two chemotherapy drug (A and B), at baseline, after first cycle, second cycle and third cycle, I want to compare between two drugs after each cycle and and which drug associated with more...

01 March 2022 8,526 1 View

How to open huge .dta file in Rstudio?

Dear researchers, I have a huge .dta file (9gb), I want to open it in my laptop( 8GB ram, 64-system) using R because I’m not familiar with stata, how can I open it to start the analysis? Is there...

24 November 2021 1,272 3 View

How can I change the order of boxes?

Dear researchers, I created a boxplot with (ggplot2) and (ggpubr) with two factors as in the figure, aes(x=IgG, Y= Vaccinated or infected, fill=agegroup), I have three age groups;...

06 September 2021 5,722 3 View

Subgroup/Subset meta analysis in R?

Dear researchers, I am conducting a meta analysis with subgroup or subset analysis using Rstudio, the data consists of 11 articles(6 articles for first drug, 3 articles for second drug and 2...

08 December 2020 5,629 7 View

How to convert median to hazard ratio and CI 95%?

I'm doing meta analysis and some articles fit the inclusion criteria and in Kaplam Meier curve they mentioned only median with sample size in each group? How can I find the the hazard ratio with...

08 February 2020 7,812 3 View

What would happen if the last three amino acids from EGFP was removed?

I'm trying to insert EGPF into a plasmid vector (PTP6). the source of EGFP is another plasmid vector pEGFP-C1). In order for me to excise the EGFP from the vector I have two options : one is using...

05 November 2018 2,860 0 View

Test retest reliability?

I am planning to do test retest reliability for survey, I want to know process, how to choose my sample and sample size, what is the duration between two tests? how to get the same sample...

27 November 2017 4,544 5 View

Place attachment in Today's Globalized World

How much place attachment is important in today's globalized world? Is there such a concept with the existence of smooth mobility and the freedom of movement, validity of citizenship that allow...

01 January 1970 4,858 7 View

How can I apply boundary conditions in an orthotropic steel deck numerical model using ABAQUS software?

I am trying to simulate vehicular loading on an orthotopic steel deck bridge section in ABAQUS software. The red arrow mark in the attached figure indicates the direction in which the vehicle will...

08 August 2024 719 0 View

How to fix errors in my heat transfer steel structure with reinforced concrete slab model Abaqus?

I have modelled a steel structure using beam elements in Abaqus and attached to this structure reinforced concrete slab. The analysis that I am making is heat transfer of the structure. The...

07 August 2024 1,028 0 View

How to convert a privately loaded document into a public document?

I attempted to make a privately uploaded text public but a window appeared that said an error occurred. There was no explanation provided as to why there was an error or what might be done to...

05 August 2024 8,025 7 View

What should be the sample container for the hydrothermal reaction in a microwave reactor at 180 °C for 10 min at the heating rate of 5 °C per minute?

Suggest one of them 1. Teflon-lined stainless steel autoclave: 2. Alumina (Al2O3) ceramic container

30 July 2024 7,326 1 View

Hi there, someone has the SeinFit software for windows because I cannot download it?

DOS version.

29 July 2024 6,064 1 View

I need a reliable source or an example supported by excel sheet to understand Fuzzy Vikor?

27 July 2024 5,916 1 View

Will the catalytic effect of retained austenite happens in steels including RA?

The catalytic effect of retained austenite refers to the phenomenon wherein quenching steels with a small amount of retained austenite, when subjected to tempering at a specific temperature...

27 July 2024 8,508 0 View

Please investigate the effect of temperature and strain rate of hot deformation and the formation of delta ferrite in martensitic stainless steel 410?

25 July 2024 9,408 0 View

How to saturate steel samples with hydrogen?

I have tried to saturate ferritic steel with hydrogen using the electrolytic method and H2SO4. However, the effect was very poor even after 3 days of "saturation". Can anybody help in choosing a...

24 July 2024 4,393 2 View

How to do calculation of Louvain methods calculation for excel sheet and and is there any software available?

The Louvain method – named after the University of Louvain where Blondel et al. developed the algorithm – finds communities by optimizing modularity locally for every node’s neighborhood, then...

23 July 2024 6,659 0 View