In indirect bad gap semiconductor TiO2 and have defects TiO2-x what is the timescale of excitons to do recombnation ?

Please explain in bulk TiO2 and TiO2-x, I want to know EPR recorded at room temperature no signal observed for rutile phase but at 77 K a sharp signal observed that is explained on basis of...

06 July 2018 3,383 0 View

XRD data at different wavelength and CIF data at different wavelength than how to refinement?

If the XRD data is recorded at Wavelength such as =0.688 Angstrom and I want to do refine the parmeter of XRD pattern for that purpose I need CIF file from the data. How I can choose the file...

11 December 2017 5,348 5 View

How many PEO group and PPO group are present in Pluronic F-108 and Pluronic F-127 and P-123?

PEO-PPO-PEO I am confused as the ratio I got i different paers are different as Pluronic F-127 100-65-100 and some where it is written 101-56-101 I need to know about F-108 as written 133-49-133...

11 December 2017 1,658 0 View

How do I calculate and put d-spacing value in electron diffraction in mixed phase system of Titania?

I am having a mixed phase system I want to index a ring pattern of electron diffraction pattern but I am unable to find the value matching. please any one explain. I am attaching here JCPDS of...

07 August 2017 3,201 4 View

How to calculate appropriate Volume value with significant digit ?

If I know the refined cell parameters of XRD pattern with significant digit like a= 3.789456(12) and 9.3345(5) how do I multiply them to get correct value of Volume= a2 c (angstrom) with...

07 August 2017 2,505 8 View

How to write correct wayto represent lattice parameter with significant digit?

05 June 2017 1,842 4 View

What are F- and F+ centres (Farbe centre or color centre ) how they formed ?

Farbe centres in lattice, I need literature to know how theyformed in lattice and how color changed occurs.

04 May 2017 7,598 0 View

How can we calculate (%) how much of UV,Visible and IR light absorb by Metal oxide like Titanium dioxide using Absorbance spectra Plot?

Different sample will absorb different portion of UV,visible and IR portion, Is that possible to calculate the percentage of each portion, how much UV light in (%) is absorbed or visible light or...

03 April 2017 354 3 View

Ytterbium stablized mesoporous titania, why there is so much broad peaks in XRD which sites will be occupied by Ytterbium?

02 March 2017 3,510 4 View

How well ordered Structure like SBA-15, MCM-41 are correlated to show there low angle XRD reflections?

Why small angle XRD pattern shows peaks for hexagonal and cubic symmetric structure like SBA-15, MCM-41. Reflection at 100, 110 and 200

01 February 2017 8,054 1 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View