How to collect zooxanthellae from sea water and soft coral?

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How does EDX or EDS equiped in SEM discriminate La and Cr in the circumstance of their characteristic X-ray energy dispersive peaks nearly identical?

Recently, we measured EDX/EDS of LaCrO3 crystals synthesized by hydrothermal method, and found that the characteristic energy for La and Cr are nearly the same for all of the noted energy levels....

02 July 2024 4,587 6 View

How to eliminate the periodic functions in Eq.3?

The equation in fig.1 can be transformed to the one in fig.2. Using ‘atan’, we can turn the periodic function ‘tan’,which is on the left of Eq.1, to the sum of ‘atan’ and l*π. However, for the...

14 May 2024 8,585 4 View

Is it possible to optain the tansverse resonance condition for the two-layers structure?

Tansverse resonance condition for the single layer(FIg.3) waveguide has bee deduced, as shown in Fig.2, which contains the phase shifts cause by reflection and optical path difference. Only light...

24 April 2024 1,748 4 View

The ring compounds or polymers with diameters greater than 15nm?

Are there any ring compounds or polymers with diameters greater than 15nm that are easy to synthesize or cheap to purchase?

21 April 2024 9,131 0 View

Electrode polarography Single Scan and Cyclic Methods to Reversible, Irreversible Systems. figure 4 and 5?

Hello all, I am an undergraduate student major in Chemistry and freshman in electric chemistry, i am now reading a paper on ACS AC. i had a few question on explaining figure 4 and figure 5. My...

12 April 2024 7,820 0 View

Through what theories can we aptly explain the social networks and subcultures that people form around cats?

Just like the stray cat protection organizations on campus, they are spontaneous and not organized by the school. They provide a series of services for kittens in life and death. And the source of...

11 April 2024 4,944 0 View

Is there any possibility of building up a multi-level theoretical framework for analyzing state-media interplay ?

To any fellow scholar that helps me, I am a year-1 PhD student in media and communication. I proposed a comparative study between the UK and India that aims to (1) systematicly record the news...

27 January 2024 9,156 0 View

How should I take into account the vibration of the instrument itself?

Hello experts and scholars, I would like to ask if I place a radar measuring instrument on a building to measure the vibration characteristics of a nearby building, how can I study the vibration...

12 December 2023 3,087 2 View

What causes the formation of this phenomenon?

This is an image of calcite captured under a scanning electron microscope. It has many tentacle like structures, and I would like to ask how it was formed. The first image is an SEM image, and the...

23 November 2023 6,440 0 View

Which software should I start to learn at the beginning?SPSS?STATA?PYTHON?

I am a new leaner.

20 November 2023 8,958 10 View

Is changing the medium during the experiment overestimate the results?

I am experimenting with cancer and non-cancer cells in a 12-well plate for 4 days with a seeding density 1*10^4/well, however, I noticed that the control group growth rate slows down on D3. Should...

07 August 2024 2,283 2 View

Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

Should I include H atom into C3N5 when i am doing DFT modelling?

Hi all, my experimental XPS results shown that my C3N5 sample consists of N-H bond, hence in this case I should incorporate the N-H bond into my DFT modelling. However, I do notice several papers...

07 August 2024 8,414 2 View

How to use Density Functional Theory to calculate carrier mobilities of solid system?

Hello, everyone. I have tried to determine carrier motilities of some materials, by Density Functional Theory, using Quantum ESPRESSO. There are a few methods to do it, like a package called...

04 August 2024 8,894 1 View

How can I calculate formation energy using VASP-Ab-initio?

I would like to calculate the formation energy of P2-Na0.67Fe0.5Mn0.5O2 based on DFT, what should I do step by step. Any help would be appreciated. Thanks.

29 July 2024 8,248 2 View

How to explain the different interaction between soluble and insoluble polymer in water?

Hello everyone, I am try to understand the differences interaction between insoluble and soluble polymers in water with metal ions and how theit charge density (of metal ions) affect the interaction.

29 July 2024 6,350 3 View

Hi there, someone has the SeinFit software for windows because I cannot download it?

DOS version.

29 July 2024 6,064 1 View

There is possible way to calculate experimental DOS from the UPS spectrum of the material. How to calculate the DOS from UPS?

Here, I have attached the UPS graph. I'm trying to calculate the DOS/DOVS from the UPS.

29 July 2024 4,971 1 View

For anyone that works with Human Aortic Smooth Muscle Cells(HASMCs), what seeding density do you use when plating?

I am struggling to find a seeding density that will allow my cells to not aggregate together. Anything helps!

24 July 2024 3,460 1 View

Why am I observing very high Temperature and Pressure Increase using NPT Ensemble?

Hello everyone, I am running DFT with CP2K software at 1200 K, 1 bar with a periodic system of 64 Al atoms + 2 CO2 atoms. However, I am seeing my temperature slowly increase to >4000 K and my...

22 July 2024 3,177 0 View

Grégoire Moutardier

Hi there,

Well, for the water column at leats, I'd recommend this article : Article Methods for sampling free-living Symbiodinium (zooxanthellae...

Then for soft coral you might just want to estimate the density with this "old-fashioned" but efficient method : https://repository.si.edu/bitstream/handle/10088/2088/Lasker.pdf?sequence=1&isAllowed=y

Cheers

Yuan Shengwu

Hey, thanks for much. They are useful.