How to call both UMAT and UEL together in Abaqus?

I have a model with bulk material (matrix) and inclusions and cohesive interface elements between both. For the bulk material, I have implemented a UMAT and for the cohesive interface elements, I...

20 February 2021 1,286 2 View

Iam looking for articles on mycobacterium tuberculosis?

Hellow my fellows Iam working on Real time PCR technique for detection the gene who is responsiable on Tuberculosis as well as the AFB stain so i hope that any one have worked on the same project...

02 December 2020 2,123 3 View

I am looking for the dataset to test the algorithms for Radar Emiiter Classification?

I am working on Radar Emitter Classifiers and I want test my codes. unfortunately I'm unable to find a dataset to test my algorithms. I'll be glad if someone can help me with this...

04 November 2020 3,988 3 View

Precipitation of sugar contents from Fruit extract?

I have to perform In-vitro and In-vivo anti-diabetic activities on 99%, 70% and 50% ethanolic fruit extracts but I need to precipitate sugar contents first. Can anyone help me with the protocols...

18 October 2020 6,697 5 View

Anyone interest to apply, please go on?

04 October 2020 1,239 2 View

Can anyone please answer the issue mentioned below regarding PCR?

Currently, i am using PCR Machine of BioRAD C1000 Touch, I am having issue regarding PCR tubes, there is melting of tubes, i have tried to correct this error, I am using lid temperature as 105...

08 June 2020 2,044 19 View

Good Morning, Could we detect apoptosis or necrosis of cells after their implantation in vivo and on fixed sections of tissue?

Any Immunohistochemistry markers?? Thanks in advance.

30 May 2020 6,206 10 View

What is the effect of curing temperature on mass loss of concrete at elevated temperatures?

can anyone has gone through some research paper or personal experience regarding study of elevated temperature performance of concrete, prepared under different curing regimes... I was looking for...

12 February 2020 8,316 5 View

How to apply Chi square while comparing percentages from same population at two different intervals (pre-post design)? SPSS or Exel?

How to apply test of significance of differences of percentages? There are some online calculators available, but are they reliable?

18 August 2019 9,511 6 View

How to define the interface elements at the FE mesh?

Hello everybody, Having a FE mesh for a 2D model which consists of 2 different materials, how one can define interface elements at the shared nodes in order to use this model later in a Matlab...

02 August 2019 4,664 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Is an issue for serial correlation when it is not found with the xtreg, fe on its lag ,but the lag become significant when you've vce(robust) std. er?

Dear Sir/Madam I have a dateset that suffers from heteroskedasticity and serial correlation. To address the serial correlation lag my variables of the fixed effect regression. I retrieve the...

15 February 2021 3,700 1 View

How to estimate/know plant virus concentration to make a standard curve in ELISA after serial dilution?

Hello, I am trying to know tomato virus titer/concentration in samples and I will perform serial dilution of the positive control. I wanted to ask How to estimate/know plant virus concentration to...

13 February 2021 6,534 4 View

How to best represent qPCR DD Ct or D Ct as a box plot?

I've been reading up on how to best represent qPCR data, specially on answers given on this site by Dr. Jochen Wilhelm. I understand box plots are the way to go, but I still don't understand them...

11 February 2021 7,228 3 View

How do I keep duplicates based on specific variable in STATA?

Hello everybody. Im new to STATA and this forum but I hope you can help me. I am doing a research project where I intend to estimate the prevalence of venous thromboembolic events (vte) up to 30...

24 January 2021 665 5 View

Which is the correct method to show Standard Error in graphs for factorial experiment?

20 January 2021 917 2 View

Is it necessary to have internal standard in Bio analytical Method Validation in HPLC?

Please suggest a suitable reference from I can get information regarding the internal standards and other calculations for bioanalytical method validations for HPLC.

19 January 2021 5,680 5 View

At what step should one add internal standards in tissue sample for LC-MS?

Hi everyone, I'm doing metabolomics of placental tissue in my lab. I added 1ml of 80% MeOH along with 2 isotopic internal standards namely, phenylalanine and palmitic acid to my sample after...

18 January 2021 9,520 4 View

How to estimate the standard deviation of the carbom emission of a company producing many different products?

I am aware of the portfolio theory in general but want to know of a journal or author especialized in this issue.

14 January 2021 7,566 2 View

Standard addition calibration without blank matrix available?

I have a problem of analytical chemistry. We are working on a spectroscopy technique (FTIR) for the quantification of a mineral phase in complex matrices. We intended to use chemometric techniques...

12 January 2021 7,739 1 View