Why the CHi^2 is close to zero with a bad fitting but the Rp and Rwp are still high?

I am refining my XRD data using in FullProf program. The intensity of the modulated X-ray peaks is almost flat. I tried to adjust the peak intensities but unsuccessful. What is the reason? I guess...

23 February 2021 2,304 4 View

Specify the Burgers vectors for dislocations, which cannot be uniquely identified.?

1. A bcc metal single crystal was sliced along (1 -1 0) plane for TEM study. Assuming that the TEM available is equipped with a goniometer stage which tilts up to 45o. The Burgers vector of...

20 February 2021 2,370 1 View

How to improve dissolution of neosome?

I have made neosome from herbal drug. Neosomes are stable. But I face problems in dissolution. I used minimum ratio of 1:1:0.25 ( Drug:span 60: Cholesterol and GMs. Now how can I active better...

17 February 2021 3,584 1 View

What is the best method for preparation of Polymeric nanoparticles for co-delivery?

We are planning to make Polymeric nanoparticles for co-delivery of 2 flavanoides. Which is the best method, that one should follow.

09 February 2021 7,086 8 View

Global Warming effects?

Hi Professionals! Due to Global warming the earth temperature increases (https://climate.nasa.gov/effects/), which generates floods, storms, and tornadoes because of melting of ice glacier, in...

08 February 2021 9,038 8 View

OmniScriptum Publishing Group?

Hello, Has anybody published with OmniScriptum Publishing Group. I got an email from them. The emails claims the editor is from the group but the email is signed out by lambert academic...

08 February 2021 5,611 3 View

Data balancing before test/train split or only training data balancing. which is correct?

While reviewing technical articles, I encounter some papers where authors have used data balancing before splitting test and train (on full data), and some only balanced training data and let the...

04 February 2021 1,446 0 View

Mental health of COVID-19 Patients?

We want to conduct a study on the mental health and psychological problems in COVID-19 patients and would measure it in terms of Anxiety by Beck Anxiety Inventory, Depression by Patient Health...

02 February 2021 6,401 6 View

Is PV array not available in MATLAb 2020a simulink?

I have MATLAB 2020a. PV array is not present in the simulink library. Can anyone please explain if the name of module has been changed or is it not available anymore? Is there any way to add PV...

24 January 2021 7,962 5 View

Following is XRD of iron oxide nano material synthesised using bipyridine derivatives. What are the reasons for Broad Humps?

Even after few repetitions..I am getting similar results. Is is due to organic components?

20 January 2021 9,279 6 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

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View

Is there any teachers based in UK who would like to take part in my study?

24 February 2021 4,833 3 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View