In FullProf XRD Fitting, which FWHM parameters(u,v,w) should be negative?

Generally v is negative initially but what it should be after fitting. what does a negative sign or positive sign of u,v,w mean ?

02 August 2020 7,907 5 View

Cell parameters different(at same temp)for Synchrotron Kek and Rigaku-XRD?

Why there is a difference in Cell parameters at room temp(300k) for Rietveld refinement for the data being once taken by Synchrotron Kek facility(wavelength 0.77 A) and other being the...

24 October 2019 7,989 4 View

Does miscibility in water differ for surfactant solutions (cationic, anionic and nonionic) ?

three solutions are of cationic, anionic and nonionic surfactant. are there differences in miscibility properties.

01 May 2016 1,931 5 View

What libraries would make Java easy to use for scientific computing?

So a friend and I will probably get into a project where we try to make mathematical and scientific libraries for Java, possibly in native code. So a few quick questions that come to mind...

12 March 2015 4,392 11 View

Are there any fluorescent materials for a violet/blue to red conversion?

I've been looking into fluorescence, and I see a lot of work on the phosphor that we normally talk about, in CFLS, tube lights, etc, but I don't see any optical-to-optical conversion fluorescence...

23 February 2015 6,261 7 View

How can I assign positive or negative charges on a specific atom in a molecule?

31 July 2014 8,219 10 View

Can anyone help me find out the MO composition in a metal complex?

How can I find out the % of metal character and % of ligand character in a particular MO of a metal complex?I have done a few NBO calculation but It only gives the bonding composition.

27 June 2014 4,622 12 View

BD acuuri C6 or BD FACSVerse

Planning to have a flowcytometer. Can anyone please suggest one which will be the best choice between BD acuuri C6 or BD FACSVerse?

03 December 2012 5,165 15 View

Does 3D cell culture actually mimic the organ of interest?

Is 3D cell culture considered to be a model which mimics the biological organ? Does it actually mimic the organ ?

05 August 2012 5,413 7 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 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

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 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

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View