What do you mean by 'excitation' of a plasma wave? What is the physical significance of this 'excitation'? Why is it necessary?

I have read numerous research papers on various mechanisms of excitation of surface plasma wave. But why do we need to excite a wave? Is it necessary? Can't the wave propagate without being excited?

25 January 2021 3,790 3 View

What type of functions or which attitude do you use towards image/pdf-text parsing?

Lately, I was doing tasks on image and PDF parsing. And I figured out that a lot of users are using modules like Camelot, OpenCV, or Tesseract OCR for that. The only problem is that modules...

16 December 2020 8,609 2 View

How to couple laser light into a resonant bowtie cavity?

Hello, I'm trying to understand how one can input a laser light into a cavity, bow-tie for example, for mode cleaning or SHG/OPO light generating. If all the mirrors are high reflectivity, that...

07 December 2020 2,289 2 View

How do you convert CADNANO vector drawings into .JPEG AND TIFF IMAGE FORMAT?

Hello, I am working on a DNA nanostructure but I am new to CADNANO. I need some help on how to convert CADNANO drawings into images like JPEG and TIFF. At the moment, my .svg output appears cut...

11 September 2020 4,558 2 View

Synthesis of Nanoparticle Materials?

Please which method is easy to synthesize nZVI, iron oxide nanoparticles, graphene oxide nanoparticles, silver nanoparticles or any other nanoparticles in the laboratory. I will appreciate if I...

30 May 2020 2,717 10 View

How do I determine a sample size for a finite population at a target confidence level of 95%?

I have 700 service connections to electricity where we need to undertake phyiscal inspection of a sample. Only the 95% confidence level is stated. How do I determine the sample size?

29 March 2020 6,219 2 View

What is the future of training and development?

How are training and development going to be like in different industries in terms of provision (ways of facilitation), technological aids etc?

17 March 2020 1,761 18 View

Advice on how best to model directly with fibre glass ?

I have this sculpture project am currently working on that requires me to deliver at a record time, so am working to bypass the clay modeling stage and move straight to the fibre glass and resin....

13 February 2020 6,665 2 View

What methodology can be used in battling and managing security incidence in IoT technologies ?

I am writing a research paper on security incidence response and Management concerning IoT

24 December 2019 9,064 2 View

Why dont some academic scholars write in simple language?

Sometimes I catch myself going over a paragraph in academic reviews and articles, struggling to make sense of the last few lines. I do wonder, maybe my understanding is still poor or the writers...

20 November 2019 2,852 11 View

How can we obtain a modification factor for creep parameters?

I want to obtain standard creep parameters of salt rock by creep parameters of rectangular samples. Is there a modification factor to convert creep parameters of rectangular (prismatic) rock salt...

01 March 2021 7,131 1 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

What are the saturated salt solutions that can give specific relative humidity of 35%, 65% and 95% for conditioning wood specimens?

Due to the unavailability of climate rooms, I want to carry out an experiment that require the use of certain saturated salt solutions especially those that can condition the wood specimen to 35%,...

25 February 2021 8,139 1 View

It is necessary to reflux the Schiff base and metal salts to obtain metal complex??

24 February 2021 9,166 3 View

How can I remove deep eutectic solvents from the medium?

Dear researchers, How can I remove deep eutectic solvents from the medium? You know, generally, deep eutectic solvents consist of ammonium salts and an acid group. Is there any alternative method...

22 February 2021 3,275 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View

When I reacted Bidentate NS Schiff Base with metal salt (M-Cl2) in +2 oxidation state in proportion of (2:1) , getting sticky product ,, why?

When I reacted Bidentate NS Schiff Base with metal salt (M-Cl2) metal chlorides in +2 oxidation state in proportion of (2:1 Schiff base &metal salt) , i was get sticky material Why ? ---~...

21 February 2021 7,970 5 View

What is the nutrient requirements for E.coli BL21 CodonPlu RIPL strain growing in M9 medium?

Hello. I want to isotopically label the my protein, and I express it in BL21 RIPL using M9 minimal media. It grows extremely slow. I inoculate the colony from a fresh M9 plate into 5ml M9 medium...

17 February 2021 2,852 2 View