Is there a website specialized in online speech data collection?

Collecting acoustic data during the pandemic faced me with a challenge that I need to overcome. I have to upload some audio files and scripts, and the subjects are required to answer the questions...

22 September 2020 4,168 6 View

Hello, i want to ask why the yellow colour of essential oil turned into blue colour during hydrodistillation process?

it is because of oxidation or what?

25 February 2020 3,035 7 View

ACE Inhibition Assay?

1) I am curious on what solution should I used to dilute the ACE enzyme to respected concentration? is it the same regardless of what solution? or the activity will be differ accordingly to the...

24 February 2020 9,530 2 View

Thickness of oxide layer from the XPS ?

How do I calculate the thickness of oxide layer from the XPS depth profile? Is there any free tool that can help me know the thickness (oxide copper Cu2O) or could you attach a paper? Thanks

18 February 2020 2,723 4 View

Hi, can anyone clear up about the molarity concept?

I'm required to prepare 2mM of LiCl for my DNA extraction method, which I calculated to be 0.0212 g of LiCl in 250 ml of water. My supervisor told me to use any volume as long as it is 2 mM....

14 February 2020 9,808 3 View

Instruments for measurement and control system?

I am planning to develop a test rig to control the valve opening and closing. The input signal for the control system is SSI input from absolute encoder and voltage (up to 5V) from pressure sensor...

06 February 2020 4,911 3 View

DSPACE controller box (CLP1104) communication interface to laptop?

Hi everyone, may I know what is the suitable interfaces to connect dSPACE CLP1104 to the laptop. Can anyone suggest what model (compatible model and brand) of the interfaces and where can I get...

05 February 2020 6,405 1 View

Is it possible to measure the statistical significance between two sets of data represented in mean and SD?

I have two sets of data. Both of them are represented in mean and SD. I'd like to measure the statistical significance of difference between these two data, however I did not have access to their...

05 August 2019 4,207 8 View

How can I prepare a preparative TLC plate (PTLC) using sodium carboxymethylcellulose as a binder?

How much silica is required per grams of sodium carboxymethylcellulose?

25 April 2019 7,824 2 View

Suitable Components and Instruments for Organic Rankine Cycle (ORC)?

Hi everyone, I am currently developing a small scale ORC system with R134a as working fluid , and I have only 5 main components (expander, condenser, pump, evaporator and tank) in hand. May I...

25 March 2019 4,015 6 View

How to simulate 5G Quality of Service characteristics?

For my research, I would like to simulate an end to end 5G network. My goal is to observe the behaviour of SDAP protocol, dynamic configuration of 5QI values etc. To summarize I would like to...

21 February 2021 7,624 3 View

How can I add a new WSN routing protocol in NS2 or NS3?

I'm trying to find in literature a way to help me adding a modified Yen's algorithm in ns2 or its variance ns3 or another simulator. Have you some tips which can be helpful, I'm opening in the...

19 February 2021 7,981 3 View

How to get the heading of real-time credit card dataset ?

I am working with the Credit card dataset. I am aware of the fact that the Banks and financial institutions do not share the dataset with third-party companies or researchers. I just need to know...

18 February 2021 9,186 3 View

Can we help fellow mathematicians get free ?

https://terrytao.wordpress.com/2021/02/08/a-statement-from-mathematics-department-faculty-at-stanford-and-mit/ Terry Tao blogged about this unfortunate event. Kindly share among Mathematical...

08 February 2021 1,055 3 View

Freeze/Thaw of LS174t cells?

Hello World, I have been working with LS174t. Complete Growth Media- 10% FBS/EMEM. ATCC says to freeze with 5% DMSO/CGM. when I defrost my vials, they are not attaching to flask. vials put into...

01 February 2021 8,723 2 View

Can I use video interview excerpts from others in public domain (YouTube, Vimeo, etc) for my empirical analysis?

Dear community, I am currently writing my master's dissertation. As a part of the method, I have to include views (interview) of experts for the empirical analysis. The problem is I have not...

31 January 2021 3,438 3 View

Is aligning mitochondrial and nuclear sequences inconsequential?

Probably a silly question but I am a complete novice in molecular biology. I have decided to attempt a phylogenetic analysis. I have managed to create a phylogenetic tree but want to confirm...

19 January 2021 5,895 2 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

In your opinion, what could motivate people to wear masks and do social distancing to stop covid-19?

28 December 2020 5,149 56 View

HRM using Stratagene?

27 December 2020 868 4 View