Why transmission power drops with Lumerical FDTD simulation time?

Hello everyone, I am trying to design a ring resonator in FDTD. I simulated the design and found transmission power dropped by increasing simulation time. Once I increased the simulation time the...

21 January 2021 4,872 4 View

Could you please recommend interesting building material which is environmental friendly and good in insulation in Constructions?

Insulation materials come from different sources. Each material has advantages and disadvantages that must be considered when selecting insulation for buildings. What would you recommend other...

03 January 2021 5,105 21 View

Which material has similar properties to carbon fiber but is much cheaper? Alternative material suggestion?

Alternative material must replace cfrp witH almost similar properties such as being lightweight, strong, durable, oxidation resistance etc

16 April 2020 3,058 6 View

Can you please refer to some materials on additive manufacturing of aluminum alloys?

Can you please refer to some materials on additive manufacturing of aluminum alloys? Thanks.

30 March 2017 8,214 3 View

Can anyone please suggest slow coupling agents for amide formation with deprotonated carboxylic acids?

Hi I am looking for a way to synthesize amide functionalized gold nanoparticles from mercaptocarboxylic acid functionalized gold nanoparticles. In order to keep these particles stable, the surface...

09 October 2016 6,064 1 View

How to model the interaction time of transiently formed dimer nano-particles (in liquid), w.r.t Brownian motion?

Nanoparticles dispersed in liquid are known to undergo Brownian motion. I feel that from time to time, two individual nanoparticles can come close enough to spaces of 1-3 nm and form transient...

27 September 2016 6,523 3 View

Can someone please help me on the functionalization of CTAB/citrate capped 40 nm gold spheres with mercaptocarboxylic acid groups?

I tried the round trip exchange method (by first exchanging the CTAB with dodecanethiol and further by mercaptoundecanoic acid), but my particles aggregated. The direct addition of...

20 June 2016 874 3 View

What is the way to use gain flattening filter ?

Hello Everyone, I am trying to make spectrum in same amplitude, therefore i have used gain flattening filter to chop out the noise and make all the spectral lines in same amplitude in optisystem....

30 May 2016 2,824 3 View

In 'Particle in a Box' model, how is the energy-time Uncertainty Principle satisfied?

08 February 2015 1,350 17 View

Can the theory of General Relativity and the theory of Quantum Mechanics be considered as special cases of the theory of Quantum Gravity?

15 January 2015 4,247 25 View

Is it okay to mention you distributed your qualitrics study link through social media sites?

Just want to be clear and know it is okay to say I have distributed the qualitrics link through social media such as Facebook, Instagram and Twitter to ensure my target audience is reached in my...

21 February 2021 5,143 2 View

How to extract posts from Facebook and Twitter with certain tags?

Hello All! I'm currently doing research on my thesis that i have to extract the data from Twitter and Facebook using certain tags? can someone help me how to do this?

04 January 2021 2,651 4 View

Engineering Labs during the pandamic?

The Laboratory is an essential component for any Engineering program. Is it possible to achieve the Course Learning Outcomes through virtual labs, Do@Home experiments and recorded experiments.

28 December 2020 153 3 View

How to calculate enzyme's energy of activation without rate constant (+excel)?

I want to calculate an enzyme's energy of activation, but I don't have the enzyme's molecular weight to calculate the rate constant or the pre-exponential factor A. This is part of an assignement...

25 December 2020 8,738 3 View

Websites for virtual lab in semiconductors?

Hello everyone, Because of Covid, now all classes are online. Is there good website that also are easy to use to teach student virtual experiments about PN junctions and semiconductors? Thank...

24 December 2020 6,637 2 View

Can your Imagination will Imagine? What you think about real future World in various sectors because of digital & wireless innovations? What are SWOT?

Can your Imagination will Imagine? What you think about the real future World in various sectors because of digital and wireless innovations? How it will change the World? What will be the...

21 December 2020 3,506 7 View

Autodock Raccoon - the following maps are missing?

I've generated a set of maps for my receptor using ADT (AutoDockTools). It has resulted in the files: .A.map .C.map .HD.map .N.map .NA.map .OA.map .SA.map .d.map .e.map But when I try loading the...

20 December 2020 7,721 2 View

Which ancient town was the birthplace of Homer?

From the time I went to Greek school, this was a hot topic with no real answers. Suddenly, this investigator, Asterios Tsintsifos who is not an academic, but simply writes on Facebook, presents a...

17 December 2020 7,282 7 View

How to run Autodock 4 , using CONDA environment on server ?

#autodock #virtualscreening Question1: Am I doing this right , means do setting up conda on server works for virtual screening (AUTODOCK)? Question2: How can I modify the script (submit4.py)...

06 December 2020 2,424 3 View

Is the certificate getting from conference webinar is the same as the attendance certificate ?

Nowadays I have received a lot of invitations for attending conference online like webinar and get certificate and I am wandering about this certificate is the same for real attendence physically...

26 November 2020 5,344 4 View