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

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

What is the cause of bubbles formation DURING qPCR and how to mitigate it?

I am analyzing residual DNA in samples containing a high concentration of protein, therefore I have to do the extraction protocol. However, my results have been very inconsistent, ranging from...

18 November 2020 3,514 3 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

What could be the problem on FOA selection?

I am making point mutation in yeast cells using two-step transplacement method: integration of a Ura+ plasmid containing the gene mutation and then pop-out one copy by FOA selection. The...

30 September 2020 7,000 3 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

What is the status of bread making and more bakery foods with the use of insect flour/powder?

Insects have been consumed by human diet since prehistoric times. At present, the idea of looking at insects as food has been getting traction worldwide, also in response to increasing food...

03 March 2021 6,223 5 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

Is IMPACT FACTOR justified in case of Taxonomy?

There is huge pressure of getting good impact factor on scholars now a days. On the other hand Taxonomy is a very dry subject and the concerned papers can only get citation in same group of organism.

26 February 2021 5,851 1 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

What urea buffer can i use for biotagged protein extraction from streptavidin beads?

Hi all, I have been doing research on biotagged LDB1 proteins in Mel cells. I purify the proteins using M280 streptavidin beads. The yield is very low so I've been trying to optimize it by...

24 February 2021 5,749 3 View

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

24 February 2021 1,365 3 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View