Could you please suggest to me research in which a relation between the shear wave velocity and the degree of saturation for stone was discussed?

Hi all, I am looking for a graph or a relation that relates the degree of saturation and the shear wave velocity for the marlstone. Looking forward to your suggestions Best Regards

24 February 2021 9,690 1 View

Do I need to ask permission to use pictures for my questionnaire?

I would like to use some photo from a government website for my questionnaire. But, different photo is from the different owner. So, should I just get permission from that government body or still...

23 February 2021 1,631 3 View

Please share tutorial/literature about dsl modelling and composite model (digsilent powerfactory)?

please share tutorial/literature about dsl modeling and composite model (digsilent powerfactory)?

22 December 2020 3,319 2 View

How to model linear-elastic large deformation of 1D Uniaxial stress in ABAQUS?

Dear researchers, how to model linear-elastic large deformation of 1D Uniaxial stress in ABAQUS? How does the abaqus distinguish between the 1d uniaxial stress and strain analysis? Thanks in advance.

20 December 2020 370 2 View

Is reconstitution solvents (etc: acetone, methanol) in the last step of extraction important in securing the compounds peak in the HPLC or LC-MS/MS?

I have used different reconstitution solvents in my sample extractions for an example, I used methanol as my reconstitution solvents in the water and sediment extraction sample whereas, I used...

25 November 2020 6,842 7 View

How to formulate or simulate FSI and 6DOF together?

hi every one I want to know, is there any way to formulate FSI and 6 DOF or simulate them together in CFD Softwares? for example FSI of a ship with 6 DOF in regular waves or irregular waves? thanks

01 November 2020 6,197 3 View

No title

Hello there I'm a Ph.D. student in clinical psychology and need to learn R software. I have enough knowledge of SPSS and AMOS. Are these skills enough for starting R software learning for...

23 October 2020 8,220 5 View

How is solubility of CO2 or air in organic solvents such as xylene or cyclohexane?

For some reason, I need to inject a dispersion of an organic solvent and organoclay into a block of soil sample. the organic solvent probably is xylene.

29 September 2020 6,348 4 View

How to decide sample size for tourists based on available tourists arrival data in my case study in Gunung Mulu National Park?

My study will be conducted in Gunung Mulu National Park, Sarawak, Malaysia. The target respondents are local community and tourists. For the local community, there is no problem. But, I am still...

23 September 2020 1,421 1 View

Are there any experimental data on the graphitization effect of neutronics in HTGR?

I'm doing a neutronic simulation of a high-burnup, high-temperature graphite-moderated reactor. Is neutronics significantly affected if graphitization is neglected/considered? Note that I have...

22 September 2020 7,780 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Can thermal cycler machines be problematic during PCR?

Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...

26 February 2021 4,777 4 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View

RNA degraded after good nanodrop readings?

23 February 2021 8,850 2 View