Monte Carlo simulation?

Hi, i am conducting a Monte Carlo simulation for my new distribution but the MSE values are increasing while the sample size increase, does any experience this issue before and what should i do...

22 February 2021 3,680 4 View

Hi..how to isolate crude HDL (all subfractions) from human serum by size exclusion chromatography?

I would like to know about isolation of crude HDL from serum by SEC. Is it possible to perform with a serum sample volume of

19 February 2021 5,576 2 View

Is There are any idea to achieve H NMR signals for swollen compound ??

the samples are not completely soluble - just swelled the solvents that's mean the sample may be partially soluble any suggestion, please

16 February 2021 8,801 3 View

Which is the best wavelength to study aerosol optical depth(AOD) related to climate reseach,which criteria must be adopted in choosing the wavelengh?

We are doing a study on impact of aerosol on precipitation. Which satellite data and which wavelength will be the best. or can some one suggest a criteria to be adopted to choose an instrument...

12 February 2021 6,324 3 View

Are there any papers that deal with the effects of climate change on the pollination in Tropical orchids?

There are a few papers dealing with the effects of climate change on the pollination of European orchids, but I wonder if similar studies have been carried out in the Tropics.

04 February 2021 1,818 4 View

How to report path analysis / SEM with Yuan-Bentler correction from R output?

Dear all, I am currently writing my master thesis where I am analysizing my data using path analysis and SEM in R (lavaan package). Now that I like to write up my results, I am struggling with...

04 February 2021 8,993 2 View

How do we calculate 95% confidence intervals for RMSE?

I have two datasets (measured and modelled). I want to calculate 95% confidence intervals for RMSE. Cany anyone please help me with this? Thank you in advance

04 February 2021 5,439 6 View

Queries regarding the rain flow counting algorithm?

02 February 2021 9,790 2 View

Doubt in DFT geometry preparation?

Hi all, I am trying to perform some ab inito DFT calculations using cp2k code. I have a unit cell of 120 atoms and would like to know how to refine or reduce the number of atoms in the unit cell...

20 January 2021 6,024 3 View

Is there a way to get rid of TEA in a TLC plate in order to do proper staining?

Dear colleagues: I have been trying to establish a few HP-TLC methods in the lab. In general, for quantification purposes, I prefer CuSO4+acid charring, to primuline staining. Lately I have been...

20 January 2021 9,019 1 View

How can the resistance of paving asphalt be increased to acid rain?

Modification of the rheological properties of asphalt

25 December 2020 7,390 2 View

Why isn't the response surface method frequently used in asphalt tests like 4PBT/SCB?

I want to use Box-Behnken design (BBd) For reducing my tests.(4PBT/SCB/ITS/ITSM)

21 October 2020 9,071 1 View

How can I define the contact between aggregate and asphalt matrix in a asphalt mixture using ABAQUS?

I am trying to simulate the moisture damage phenomena in asphalt mixture using abaqus. I am looking for some suggestions and guidelines to define the contact contact between aggregate and asphalt...

24 August 2020 5,234 3 View

Does the size of polymer which added to the asphalt affect the value of the rheological properties?

Modified rheological properties of asphalt using different waste polymers at different partical sizes

06 April 2020 2,895 3 View

Has the recycled asphalt concrete a good behavior in fatigue? Have you any reference to me propose in this topic?

Has the recycled asphalt concrete (recycled RAP) a good behavior in fatigue? Have you any reference to me propose in this topic? Thank you

31 December 2019 5,049 3 View

How to give failure stress while defining the material as viscoelastic properties?

I am modelling a 3 point bending test of Asphalt Mixture beam . The beam is modeled as visco-elastic material . After peak load also the material gains strength as it ismodeled as visco elastic...

23 December 2019 4,216 1 View

Any Source of Hourly Temperature Data for Grassed Area, Pavement and Large Lake or River?

Dear All, I am looking for hourly temperature data from any urban area for the following land covers. 1. grass cover. 2. lake/water bodies and 3. any pavement (concrete or asphalt). Any...

12 October 2019 9,334 1 View

What is the 'correct' method to fabricate asphalt mix specimens with modified asphalt binders under variable modifier dosages?

Esteemed Researchers, I have come across three approaches used by researchers for fabrication of asphalt mix specimens when they study modified asphalt binders with different modifier dosages...

09 October 2019 4,251 3 View

Can anyone guide me about how to introduce translational springs with specific stiffness to join concrete pavement slabs in ANSYS workbench?

I was working on a pavement model in ANSYS containing asphalt bottom layer with concrete slab panels on top of it. The slabs are tied to an asphalt shoulder at one side as well. The pavement is...

09 October 2019 443 2 View

Anyone familiar with CREEP-RECOVERY test on asphalt concrete?

How to define the loading and recovery time for the Creep-Recovery Test on an asphalt mixture ? Creep-Recovery Test at varying stress levels and test temperature are perform to determine the...

08 September 2019 6,812 2 View