What is the difference between a project methodology and a research methodology?

Dear All, Hope you are fine. Sometimes, we a present a flow diagram to present the research methodology. This diagram gives the details of how the research go ahead from the literature review...

09 June 2020 1,347 5 View

How are positive ions stored in MnO2 cathode (positive electrode) in a supercapacitor? How do they overcome the repulsion?

Cations are intercalated/stored by surface redox reaction. As MnO2 electrode in a supercapacitor is a postive electrode, it should have attracted negative ions, but they store positive ions. How...

06 September 2019 5,442 3 View

Is it possible to see blinking of CdSe/CdS quantum dots after it was dried in a glass slide?

I am like to see the blinking of CdSe/CdS quantum dots using confocal microscopy and I need to observe it for a long time (few minutes). Did the the dried quantum dots in a glass slide show blinking?

14 May 2019 1,231 3 View

Best way to do speckle reduction in ultrasound imaging?

Dear All, I am trying to perform ultrasound image (linear array probe) smoothing using speckle reduction filters. Please suggest an easy to use and open access filter? It would be awesome to have...

21 August 2018 7,827 10 View

Shall I have to store my thin film oxide (WO3) samples also in dessicator?

I can see some changes in property after kept samples in open environment for about a month. Thank you in advance

14 May 2018 5,109 2 View

Is it possible to predict the required energy in PLD to get best possible film by only seeing the plume shape with respect to target and substrate?

Actually I don't get to do PLD often so I can't do try and error many times, so I want to know the best suitable energy required for my specific target and substrate with minimum time. And I think...

20 March 2018 8,956 5 View

Can anybody help me for writing PLL logic using VHDL language in FPGA for Grid Connected Inverter?

Grid connected Five level H Bridge Invert er

08 March 2017 6,160 2 View

3D Road Profile?

Can anyone let me know where can we download 3D profile road data for specific distance of our interest.

11 July 2016 6,726 2 View

What may be the reason for fungal contamination in liquid media when an explant is transferred from solid media?

I used leaf explant and inoculated onto solid MS media after 4 weeks of incubation i transferred it into liquid media, after 3 days of incubation the media turned turbid and i could see round...

20 July 2015 4,160 16 View

How can I determine the right orientation of windings in a distributed winding stator?

I have a stator(PMSM) with distributed windings in it. I need to determine whether the windings are wound in the correct direction. Is there a method to do it? The stator has 144 slots with 2...

22 June 2014 8,492 2 View

Which polarizers are usually used to measure the birefringence of zebrafish muscles?

I already found several publications on that topic, however, the specifications for the used filters are often missing. Some more specific information than "fish is placed between to polarizing...

23 February 2021 1,934 1 View

How to calculate the Atomic Polar Tensor using DFT ?

Dear friends, I am a beginner at DFT calculation. I have done a structure optimization using DFT- B3LYP/6-31G*, Nevertheless, I don't know How to calculate the Atomic Polar Tensor (APT) in...

17 February 2021 9,082 3 View

Should I make 2 helical antennas? One for 2.4 GHz and another for 5.8 GHz?

Should I make 2 antennas, one for 2.4 GHz and one for 5.8 GHz? How should I approach the problem if I want to design the antennas which cover 400 and 900 MHz and 2.4 and 5.8 GHz? All together in...

26 January 2021 906 3 View

SPSS - PLUM: Shall I introduce binary variables as covariates?

I am doing an analysis of interaction effects, using PLUM in SPSS. My question is if the binary variables, that i have constructed to analyze the interaction effects, should be introduced as...

17 January 2021 8,217 4 View

Guidance in choosing a column for UHPLC quantification of organic acids in cranberry and blueberry fruit?

07 January 2021 6,214 3 View

How aromatics can dissolve asphaltene ?

As we all know asphaltene is defined as " The highest molecular weight component in the crude oil that is insoluble in light n-alkanes such as n-pentane or n-heptane and soluble in aromatics such...

05 January 2021 6,822 2 View

Do you advice me how I can dissolve samples with different polarity in a culture media such as demem or emem??

We want to dissolve our research samples in cell culture media such as demem or emem. We want to conduct bio-assay guided technique to isolate bio-active compounds. But we have a difficulty to...

30 December 2020 3,590 3 View

How to clean a packed glass column with C18?

I loaded a polar fraction on a glass column packed with C18 and washed it isocratically with 10% methanol for 6 days. The color of this fraction remained on top of the column, then I washed it...

28 December 2020 7,884 3 View

Which polar protic solvent are used in replacement of Ethanol or methanol?

In reaction condition, my starting materials are highly polar which are not soluble in ethanol and methanol.

03 December 2020 5,792 2 View

How do I desalt soy sauce so as to analyse for UPLC-Q-TOF-MS?

Hello everybody, there is a problem plagued me for a long time. My interest is to identify some polar amino acids and their derivates by UPLC-MS/MS. While, due to the high content of salt in soy...

18 November 2020 7,814 4 View