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Where do you think is better for systematic review and meta-analysis protocol registration?

O.S.F., PROSPERO, Cochrane collaboration, Campbell collaboration

22 December 2020 8,654 6 View

How can I solve my False-Positive issues with the SARS-CoV-2 RPA amplification ?

Here, I want to ask about my issue with the SARS-CoV-2 RPA amplification False-Positive results. I tried two different sets of primers. The first sets of primers are 29 nt producing 200 bp...

20 December 2020 2,091 3 View

How can I check the correlation between a group of features and one feature?

Hello all, I have a dataset that contains some pressure meters in a water distribution network and all valves of the network. Since I do not have the graph of the water distribution network, I...

30 October 2020 2,333 4 View

Hi everyone, Can anyone kindly help me for analyzing the attached FTIR spectra?

It's an organic material used as a dispersant for refractory concretes. I had some search and found that it can be an acrylamide based compound but I am not sure yet. The datasheet supplied by the...

04 October 2020 994 9 View

Why am I getting multiple bands in western blot (in Isolating adhesion complexes) ?

Hello everyone, I am isolating adhesion complexes and wanted to confirm the presence of a specific protein in the isolated complex. When I performed western bott, I got a band at the right size...

19 September 2020 538 7 View

How can we optimize a water distribution system if we do not have the zones' topology (pipes graph )?

Hello everyone, My issue is about a water distribution system that I am working on a zone of the system where does not exist any plan for the place of pipes. However, we have the place of...

14 September 2020 5,978 6 View

"Conceptual Models" vs. "Simplified Conceptual Models" ?

Is there any difference between "Conceptual Models" and "Simplified Conceptual Models" in hydrology? I mean if it is just a matter of simplification or these two expressions are used for two...

11 May 2020 3,711 10 View

Do you know any solvents to remove insects from the sticky traps?

We have been using thinner to remove the insect specimens from sticky traps. However, we would like to use other solvents with no toxic effects.

15 March 2020 6,789 12 View

Density = d = volume unit - volume of mass?

Density = d = volume unit - volume of mass? To study the vacuum status with different heavy densities reactions? Before the vacuum becomes overused? Specially in dense reactions types i.g....

28 January 2020 5,395 2 View

Could we 3-D print brain, spine, heart, lungs, whole body, thought process?

https://www.cnnphilippines.com/world/2020/1/24/Voice-of-3,000-year-old-mummy-reproduced-.html?fbclid=IwAR3sQKGlP6Aj5XiPpXY0eJFsgQafIu7_sMyP4GBfiQViP4xcejM3krwmog4

25 January 2020 9,427 1 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

What is Nano technology with coronavirus helpe the human..and is it nano mterals removal of covid19?

I anwar by adsorption or reaction ..but it is either more method...

02 March 2021 4,811 2 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Discrete Phase model (DPM) particle break-up has particle size limits during particle tracking?

Hello, I am currently working on simulating water droplet partciles in a closed room. When I use uniform particles, without "particle break-up", I can carry out the simulation without any problem....

02 March 2021 3,053 2 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 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

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View