Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

Dissolving AN-MA-IA copolymer in 50 % w/w sodium thiocyanate water solution. What is the white residue forming after polymer dissolved?

Dear colleagues! Recently I tried to dissolve commercially available samples of PAN precursors (acrylonitrile-methyl acrylate-itaconic acid terpolymers) in water solutions of sodium thiocyanate...

17 October 2020 6,083 4 View

What is the reason of poor resolution of AFM images of TiO2?

We prepare TiO2 samples using Titanium Isopropoxide, Ethanol, and Glacial Acid; We increase the amount of ethanol to decrease the thickness of the layer. However, the layers with thicknesses...

30 August 2020 4,031 13 View

Band in the negative control of qPCR product gel?

I persistently get a band in the negative control when trying to isolate RNA from cell samples and am wondering if it's contamination in the experiment, genomic contamination, or just the...

02 August 2020 6,486 1 View

If G is a tree, then L(G)D(G)L(G)=-2L(G). Is the opposite true?

It is well known that if graph G is a tree, then the following identity holds: LDL=-2L, where L is the Laplacian matrix of tree G, and D is its distance matrix. Is the opposite true? That is, if...

28 May 2020 4,298 3 View

Miocene green algae in thin sections?

Dear colleagues In attached photos, you will find green algae (?) from the Miocene glendonite-bearing rocks of Sakhalin (SEM photos of thin sections) Is anybody can help with identification of...

02 January 2020 4,041 3 View

Why images in scanning electron microscope(sem) got bright stripes?

why images in scanning electron microscope(sem) got bright stripes? an image is attached. it does not look like a material related contrast(polymers). it does not disappear with current, voltage...

02 January 2020 2,404 4 View

How to model Background Seismicity in EZ FRISK?

does anybody know how to model background seismicity in EZ FRISK 7.65? I understand we have to define it as grid source, but I don't quite understand the input parameter required, it requires...

03 September 2019 819 1 View

Could you recommend some papers where two CMIP5 experiemnts are compared: historical and pre-industrial control runs?

I am interested not in the technical description but in the case studies, e.g., when the variability of various fluxes is studied.

12 June 2019 3,088 2 View

Wrong ethanol IR spectra?

I've measured three different ethanol samples in my IR spectrometer, whose spectra are attached (one in absorbance and another in transmittance units). The measurement was made with liquid ethanol...

08 May 2019 5,677 9 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

How to write a scientific report?

We are analysing scientific reports at University in great detail, so I wanted to find a scientific report about how to write a scientific report. Including detail such as what information to put...

02 March 2021 7,602 4 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

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01 March 2021 3,905 5 View

How to Balance Bench work with Reading and Writing?

I am a second-year grad student. I am finding it difficult finding time to read literature and write (things like qualifying exam, thesis, grants). I find myself so busy with bench work that I...

01 March 2021 3,325 4 View

Which software is better to write systematic review paper?

We have seen some authors use some software to write review paper. As obvious, the study of all published papers concerning our studying field is not possible and these software can help us to...

27 February 2021 6,296 1 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View

How can we raise the figure when we writing a paper with Latex ?

Hi, everyone. I'm a starter to write a paper by Latex. But I have some difficulty using it. I'm writing the paper with 2 columns. And, there is one figure that occupies the 2 both-sides. I want to...

26 February 2021 3,738 3 View