How to distinguish different phases on an xrd pattern?

In XRD, how do you distinguish among the crystallized phase, amorphous phase, and a mixture of the two? How will the peak look like in a mixture of a crystalline and amorphous material?

05 May 2020 9,707 7 View

How do i do electrohydrodynamic modelling for liquid desiccants?

I am working on EHD (electrohydrodynamics) and i want to use Ansys Fluent VOF for tracking the liquid-gas phase and the Taylor-Melcher leaky dielectric model for the EHD but i don't know how to...

08 March 2020 5,220 1 View

How do you quantify transwell invasion assays after staining with crystal violet? Anything else apart from counting cells manually?

I am trying to compare the invasiveness among to cell types I am working with via a transwell invasion assay. I am used to counting manually under the microscope, something which I think can be...

19 November 2019 271 5 View

Any suggestions on finding homologous of ncRNA between rats and human?

Any suggestions on finding homologous of ncRNA between rats and human?

01 June 2018 1,853 3 View

What is the exact effect size classification by Cohen (1988)?

Effect size is an easy way of quantifying the difference between two groups which is more advantageous than only using tests of statistical significance. It seeks to reiterate the size of...

09 May 2018 9,470 6 View

Research topics in renewable energy?

i have a background in psychology,geography and sustainable local development. i want to pursue phd in renewable energy in East Africa from the perpective of social acceptance ,local skills to...

18 April 2018 7,357 4 View

Hi ,i am currently conducting a research on the effects birth order has on personality and achievement motivation but i am having difficulties?

the population is University students but i cant find the appropriate questionnaire with scoring attached to measure achievement motivation.Please can someone help me with the appropriate means to...

25 October 2017 1,329 3 View

What are the ingredients for a potting mix for dendrobium orchids?

Have already germinated immature seeds through asymbiotic technique and plantlets are ready for transplanting. I would like to demonstrate to growers further on growing seedlings in a nursery

29 June 2016 5,659 1 View

Suggested longitudinal data analysis method for smaller sample size?

02 March 2015 2,818 12 View

What are the existing studies or good instruments for studying academic procrastination?

I am carrying out a study on the predictors, moderators and mediators of procrastination among students in Ghana. Can anyone assist me some suggestions of studies, instruments or gaps to look at?

27 January 2015 8,618 4 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 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

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View