Please how can I justify my regression results?

I conducted a study to investigate stock market reaction to equity issues announcement and i ended up with 64 announcements and i then used the announcement day returns as my DV and investigated...

14 January 2021 1,127 3 View

How to correctly indicate a zinc finger in a protein for molecular dynamics?

I am preparing a protein that has a Zn finger for molecular dynamics. To indicate the finger of Zn a patch is placed in which the deprotonation of the cysteines is necessary so that the Zn ion can...

05 March 2020 1,425 3 View

No title

28 February 2020 1,633 2 View

How do I calculate solar absorbance and thermal emittance of absorber coating from reflectance spectrum using standard AM 1.5 and blackbody radiation?

I have a reflectance data of my solar absorber coating from UV-Vis, I want to calculate the solar absorbance of my coating using standard reference spectrum AM 1.5 and thermal emittance of thesame...

15 November 2019 225 3 View

How can Iimprove the resolution on a GC?

When I run a O2 and N2 standard in the gas chromatograph, the peaks are overlapped, How can I improve the resolution of the chromatogram. This situation is new, last monththe calibrationwent just...

22 August 2019 4,050 6 View

On a EVO LS10 SEM, I can see images on spot 0 of the aperture, however on spot 1 and 2, I cant see any images. what could be responsible for this?

I an using the EVO LS10 SEM from Zeiss, I can see images on spot 0 of the aperture, however when the aperture is switched to spot 1 or 2, I am unable to see any image. Please what could be...

05 February 2019 3,902 1 View

Where to get yeast W303-K6001 strain?

15 September 2018 3,735 2 View

My solvent-casted PVDF film was opaque and somehow shrunk during vacuum drying. What should I do?

I'm trying to make smooth PVDF film using solvent casting dried under vacuum from 20 mL of 15% PVDF in DMF solution. The vacuum dryer temperature was at 55 deg C. After some time, this is what I...

29 January 2018 803 4 View

How can I get rid of the polysaccharides on orchids tubers to isolate DNA?

I try to isolate DNA from orchids tubers, the problem is they become kind of gelatinous because the polysaccharides.... so I want to get rid of them. Thank you!

18 September 2017 9,815 3 View

Shuold the "Reads" be included or taken into consideration for calculating the researcher's score in RG?

Any RG's member

02 March 2017 6,338 8 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 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

What's support me on Simulink Matlab Model of Regenerative Braking in DC Traction ?

I have a thesis on Utilize the electrical power from Regenerative Braking in 750 Vdc Traction by simulation in the Program MATLAB Simulink. I made the Power Load flow from 24kV to Traction...

08 February 2021 2,532 1 View

How to apply distributed load in a 2D model with plane stress/plane strain thickness in ABAQUS?

Hello all, I'm currently working on setting-up a 2D bone remodeling problem of a femur from literature. I take a 2D femur geometry and give it an out-of plane plane stress/plane thickness in...

06 October 2020 2,623 5 View

How can I create an environment in MATLAB or Python to test a traction control algorithm?

For a project I am working on I need to implement traction control to a RC car. In designing this algorithm I need to create a simulation environment in order to test the control algorithm. The...

24 April 2020 8,529 1 View

How can I build a stationary energy storage device for DC urban rail system?

Hello, I need to plan the capacity of stationary energy storage device for DC tram service, which has an acceleration current is almost 800A. And such 2 trams are running in one section, where I...

27 February 2020 1,406 2 View

Abaqus Analytical Mapped field not functioning properly?

Dear all, I am trying to use analytical mapped field in Abaqus to apply loading that I have calculated in a 3rd party software to nodes of my Abaqus model. My problem is that instead of...

30 August 2019 8,535 2 View

Abaqus Analytical Mapped field not functioning properly?

Dear all, I am trying to use analytical mapped field in Abaqus to apply loading that I have calculated in a 3rd party software to nodes of my Abaqus model. My problem is that instead of...

07 August 2019 9,901 2 View

What is the meaning of E/Enn in traction in abaqus?

Hello Guys I know so many of you have the same question when you start using cohesive element in abaqus. This section is a bit confusing E/Enn does not mean dividing. It simply means Young modulus...

07 August 2019 7,379 4 View

Boundary condition on a solid surface under traction/compression ?

Hello, I have a block of solid material in which an elastic wave is propagating. On one side of the block I maintain a static surface stress (the agent causing this stress is external to the...

18 July 2019 8,330 7 View