What is the effect of polarization of unit elements in an IRS, if its built for mmWave application?

I usually don't see path loss models for IRS consider polarization. But specific to mmWave application, the polarization of the antenna has some effect. Is there any research that has explored this?

08 January 2021 3,054 1 View

Which Open Source emulator is best for SDN based IoT implementation?

We would like to implement SDN based IoT secure application. Please suggest best open source Emulator / Simulator.

15 December 2020 8,329 5 View

Dear researchers, anybody can suggest some classification algorithms for fire images?

dear researchers at present we are working in fire detection projcts ,i have a plan to implement the CNN with SVM for classification method. if you hav any best or recent techniques please let me...

01 November 2020 4,142 7 View

Which instrument is preferred to do untargeted metabolic profiling for a herbal plant?

In our lab, we are working on a herbal extraction optimation so that we need to understand the total profile difference between optimized and unoptimized extraction. Which that we have multiple...

14 September 2020 9,187 3 View

Does anyone knows how can i get the supplementary file for this paper?

I have been trying to check the supplementary file for this paper entitled "Transcriptomic and proteomic analyses of the pMOL30-encoded copper resistance in Cupriavidus metallidurans strain CH34"...

13 September 2020 4,945 4 View

Problem with Cryosections?

Hi, I have a problem with cryosections while staining. Positively charged slides are used for cryosections, in spite of that during the staining process, the sections are washed away during the...

10 September 2020 3,767 3 View

Appropriate protective eye wear for sunlight collection?

I am going to conduct experiment on sunlight collection. First the sunlight is collected using Fresnel lens. Then the concentrated light is transported via silica optical fiber. Since the...

15 March 2020 3,655 4 View

How to Estimate RSm(Mean width of the profile) for periodic profile obtained using turning and vertical milling?

As a part of my research work. i have obtained some machined surface using vertical milling and turning process. I want to check whether the predicted roughness and obtained roughness(Ra) are...

11 March 2020 5,718 3 View

Adhesive to stick silica glass fiber?

I am collecting sunlight via optical fiber bundle. In this regard i need to make fiber bundle in which the individual fibers are to be stick together. What kind of adhesive is helpful to do this?

20 February 2020 6,668 2 View

Are people willing to pay extra price for the recycled polymer based products?

I have two products (A&B) made of polyethylene (PE) but product "A" is produced from recycled PE and product "B" is produced from virgin grade PE. What is the willingness of the people to pay...

15 January 2020 2,405 6 View

What are the solvent requirement to study protein conformational changes via NMR?

I wanted to study the conformational changes taking place in gamma D crystallin (eye lens protein) at low pH via NMR. What would be the preferred solvent requirements for this particular protein...

31 December 2020 2,103 4 View

Why does using lens (achromatic doublet lens) for imaging detection onto camera affect magnification in Interferometric Scattering (iSCAT) microscopy?

Hello every scientific explorers!! Recently, I have been interested in Interferometric Scattering (iSCAT) microscopy, the scattering-based imaging microscopy. One of the problems I am facing is...

27 December 2020 8,092 2 View

How can I set to thin film on the substrate in ZEMAX?

My research is about 3D-printing add nanoparticles attach to copper. So I'm trying to use ZEMAX to calculate absorption, someone knows how to set the thin film on ZEMAX? Have any suggestions or...

26 November 2020 7,200 1 View

What were the impacts of liberalization and globalization on Russia in the decade following the collapse of the Soviet Union?

I am writing an essay that will examine the negative impacts of globalization by criticizing the neoliberal paradigm through the lens of Russia during the 1990s.

19 November 2020 5,122 4 View

How to measure the point spread function of confocal microscopy using 405 or 440 laser lines?

100- 200 nm fluorescent beads are available from suppliers but only excited at UV (360 nm) or green and red range (i.e., >488 nm). Also. If the objective lens to be evaluated have (NA

18 November 2020 2,096 3 View

No title

17 November 2020 6,197 5 View

How best to Collimate an LED to feed into a series of fibers?

I am currently using a simple 8mm focal length lens from Carlco to focus my light from a single small LED into a bundle of fibers that have a total diameter of 9mm. The problem I am having is...

11 November 2020 5,332 5 View

I am working on Lensless Microscopy. Can anybody tell me how to get spectrum of a sample in Fresnel region without using any lens??

I want to get the spectrum of an object illuminated by an incoherent source at the CMOS sensor without using any lens.

01 November 2020 225 2 View

How to measure the focusing efficiency of Fresnel zone plate (FWHM is in micrometer scale) ?

We want to measure the focusing efficiency of the Fresnel zone plate with a very small FWHM. "The focusing efficiency is defined as the ratio of the total power in a circular aperture with a...

01 November 2020 1,252 7 View

In microscopy why "smaller the aperture, greater the depth of field"?

12 October 2020 3,636 2 View