How does the pH of medium affect on the color change of anthocyanin pigments, what happens?

Anthocyanin pigments have several colors that vary depending on their influence on a range of factors, including acidity of the medium, temperature, level of plant nutrition, agricultural...

08 September 2019 3,884 3 View

What are the degrees of freedom in statistics?

Degrees of freedom have a very important role in calculating the ANOVA table, what is the meaning of df, and why calculated n-1?

08 September 2019 3,949 3 View

Safety of human life and Nanotechnology?

Is the nano-materials of the elements in the various uses of this technology safe for the health of the worker or the consumer?

08 September 2019 5,827 4 View

Nano-material properties?

Is the magnetization of liquid Nano-composites a practical benefit in improving the quality and productivity of the plant, kindly who has research in this direction to provide us with many thanks?

08 September 2019 6,021 5 View

What is the role of the middle ring for coloring anthocyanin pigments?

There are many color of anthocyanin pigments?

07 August 2019 4,872 2 View

In concrete crack modeling using Extended FEM how one can treat the existence of reinforcement rebar when the crack path intersect this rebar?

The Extended Finite Element is innovative method used for treatment the discontinuity problem that faced the FE model during cracking process. Still a problem raises when the concrete is...

06 July 2018 2,030 4 View

I ask if it is possible to model cracking in reinforced concrete using Extended Finite Element method?

Extended Finite Element (XFE) method is a new approach used to treat the discontinuity results from concrete cracking. It is well known that XFE is applied sufficiently for crack propagation in...

25 February 2018 2,958 3 View

I ask if it is possible to model cracking in reinforced concrete using Extended Finite Element method?

Extended Finite Element (XFE) method is a new approach used to treat the discontinuity results from concrete cracking. It is well known that XFE is applied sufficiently for crack propagation in...

01 February 2018 2,404 4 View

What is the fracture energy?

Brittle materials such as concrete fail by cracking when they are subjected to tensile stress and by crushing when they are subjected to compression. Most of theories of failure applied to theses...

01 February 2018 456 1 View

Is there any design code or code of practice regarding specially shaped reinforced concrete columns?

I am looking for a code of practice for design of reinforced concrete columns having arbitrary cross-sections such as angle, tee of cross shapes

31 December 2017 1,001 0 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

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View