IFT method in SAXs measurement - can anyone help?

In SAXS measurement, we usually convert the scattering curve using IFt method to the volume weighted particles distribution. My question is about this IFT method. If someone could explain it me I...

08 September 2014 6,840 2 View

What is the change in physical and chemical properties after addition of silver to palladium?

I have synthesized palladium-silver nanoparticles and I want to know the changing of each metal after combination with the other.

06 July 2013 8,882 5 View

How can I determine core-shell by uv-vis?

I have synthesized bimetallic palladium with gold, silver, and copper and I want to know the type of this bimetallic core-shell or alloy

04 May 2013 4,905 4 View

Can anyone tell me how I can determine the amount of glyceraldehyde in a glycerol oxidation?

I am working in glycerol oxidation and I am using HPLC for analysis but I have found that the peak of glyceraldehyde overlapped with another peak which is unknown for me. I need to assess...

04 May 2013 3,633 14 View

Could anyone explain the posioning of platinum by oxygen?

I need an explanation of the poisoning of platinum from oxygen. Is it possible that the deactivation of Palladium comes also from poisoning in an oxidation reaction?

04 May 2013 8,843 3 View

How can I determine the glyceraldehyde in glycerol oxidation?

I am working in glycerol oxidation and I am using HPLC for analysis but I have found that the peak of glyceraldehyde overlapped with another peak which is unknown for me and I need to quantitative...

04 May 2013 2,101 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

Helix antenna coupling problem?

Dealing with a helix antenna, made with flexible material and not rigid like using a PCB board or wire. At the beginning of the helix is too close to the ground plane, causing coupling. How can I...

21 February 2021 4,453 3 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

How to analyse a (perceptual) study using differing/comparable sets of stimuli?

I plan on running an online perceptual experiment that has, let's say, 100 unique video stimuli altogether. Since these are too many to be rated by every participants, I would like to present the...

15 February 2021 7,444 2 View

How to analyse a split-plot design in stata ?

I have run an split-plot design experiment evaluating the efficacy of a treatment (with 3 whole plots and 4 sub-plots), and I am planning to analyse the collected data in Stata. However, I do...

14 February 2021 7,800 7 View

Can I use a likert survey for criterion sampling in a qualitative study or would that make it mixed methods?

I am doing a phenomenographic study on the reading experiences of avid v. Neutral v. Non-Readers. If I use a likert survey to criterion sample for participants, does that make it a mixed method...

09 February 2021 8,594 3 View