Why multiple paths of light in optical fiber can cause signal distortion at the receiving end?

In long cable runs suffering from signal distortion and can effect on the information transition why

10 November 2018 5,202 1 View

Is it possible to add Ag nanoparticles to Graphene oxide solution directly to form GO-Ag composite solution?

Add nano-particles to GO solution to form GO-Ag

03 April 2018 4,583 7 View

What are the difference between MO-SPR and SPR?

Why we use different curves (not like SPR) to show MO-SPR? is it possible to use MO-SPR as reliable sensor?

02 March 2018 8,791 0 View

Why scientific journals reject papers for english mistake more than scientific mistakes or missing some scientific information?

why english mistakes in most journals is a big problem? faster rejection than any other mistakes

09 October 2017 4,529 10 View

What is the common way to remove all types of heavy metals from tap water?

04 May 2017 443 5 View

I have problem in ( peel off) of reduced graphene layer deposited on gold layer. how to prevent this?

06 July 2016 6,458 1 View

What is this line means .." non-zero probability of finding"?

There are more accurate models " it seems that there is a non-zero probability of finding particles with negative sizes in the sample"

04 May 2016 6,881 5 View

EDC/NHS how it is look like under microscope or SEM image (shape) alone ?

any idea about the shape of EDC/NHS look like under SEM or Microscopic image>> without any additives alone

02 March 2016 8,054 4 View

When I charged the normal water with negative charges the resistance increased ....is this true or not ??

08 September 2014 4,299 2 View

How can I calculate complex refractive index (experimentally) and theoretically ?

N=n+ik How can I find n and k experimentally? I have composite material and I want to find the n and k to it .

31 December 2013 731 7 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

To date, according to health authorities, 30% of the population's diseases are initiated by drinking water pollution. Do you know this problem?

The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...

23 February 2021 912 5 View

Multinomial probabilities and confidence intervals - obtaining the CI of the reference category?

Hi, Some background to my question: I have fitted 1st order multinomial Markov models with covariates. Since all probabiilties (for each row of the transition matrix) sum to 1, I estimate only...

22 February 2021 2,541 4 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View

How to extract water soluble amino compound from after aqueous work up?

4-Dimethyl amino pyridine is used in reaction.Product formed contains amino group along with amide & is highly water soluble. To remove 4-DMAP aqueous work up done. Please give solution. Thanks.

21 February 2021 1,883 1 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View