How can I represent contact with cohesive behavior and friction in abaqus?

Hi, I am trying to represent an experimental test of pull out in abaqus, I have managed to get the detachment behavior (first section of the graph) but the part where the fiber slides does not...

30 November 2020 6,474 3 View

How can I measure metformin in plasm and urine?

I need to determine the levels of metformin in plasm and the rate of excretion as well. Does it could be assessed by spectrophotometry? Or Are there other methods more reliable?

04 June 2018 9,966 4 View

What is the best software to scramble photos (faces)?

Hi all. I have a stimuli set of pictures, all human faces. I need to create a new scrambled version of every one of them, while keeping the same luminance of the original photo. What software do...

18 April 2018 564 9 View

A protocol to perform a overlap extension PCR (OE-PCR)?

I need to join 3 separate PCR products for sequencing. I have read that OE-PCR is used mainly for mutagenesis, but also to join PCR products, however I don't find reference articles to apply it...

10 April 2018 4,915 10 View

What should I do if my primers are amplifying two equal sequences (a gen and a pseodogene)?

06 November 2017 1,263 4 View

Does anybody know a European company producing SBA-15?

I need someone in Europe able to supply SBA-15 in relatively large amounts (up to 1 Kg) at a reasonable price. Due to bureaucracy issues I cannot buy from non-european companies.

12 January 2014 761 9 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

Mixed ANOVA - help?

I'm currently working on a piece which asks to conduct an ANOVA - looking at the effect of sporting group (2 levels), and exercise trials (two trials with six levels). I've computed this all...

27 February 2021 9,626 4 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

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View