Which kind of statistical analysis model (RDA,CCA,VPA) is good when comparing three methods of Soil aggregate stability ?

Hello Everyone, I need to compare three methods of soil stability, i have to evaluate which could be most suitable method. Which kind of analysis model is best suited to evaluate which method was...

23 June 2020 3,216 9 View

Why The steel bar Modulus of Elasticity (E) is much lower than 200GPa?

Hello all, I did a tensile test for a deformed steel bar with diameter of 10 mm using using UH-X Universal Hydraulic Test Machine (SHIMADZU-300kN ). The Gauge length of the steel bar (Lo) is...

25 March 2020 5,753 6 View

Non linear optical parameters of Calcite and Quartz crystals?

I am looking for the Non linear optical parameters of Calcite and Quartz crystals in the telecom window (1.2 - 1.7 micrometer).

28 January 2019 2,615 2 View

What is the role of the application of Aldehyde/Sulfate Latex Beads (invitrogen) in the flow cytometry assay ?

I am trying to purificate Extracellular vesicles (EV) from BOEC conditioned media by coloumn of chromatography, then i want to charachertize the purified EV by flow cytometry. However i have seen...

14 October 2018 4,577 4 View

How to design and analyse an experiment with dependable variable?

Hi all, I am conducting an experiment about a formulation of ink for 3D printing applications. My parameters are viscosity, pression, nozzle diameter, concentration of the hydrogel. Knowing that...

06 August 2018 8,332 3 View

What is the most important points for writing a Physical Review Letter "100-word compelling justification"?

Dear experts, I want to know how is the best arrangement for writing a PRL "100-word compelling justification"?? What factors should be mentioned and what should be avoided? Regards.

17 March 2018 4,247 3 View

What to choose as a calibrator? - When looking at basal gene expression (Rt-qPCR)?

What to choose as a calibrator? - When looking at basal gene expression (Rt-qPCR)

18 October 2017 6,808 3 View

Is there a special kind of plants with a strong effect on snakes ?

i have a research on snakes then i have found a plant that makes snakes weak just like a sleep when breath the smell of this plant

06 October 2017 3,055 2 View

Does PCR efficiency colse to 1 is the same as 100%?

01 October 2017 9,846 5 View

In order to validate a numerical code : it is enough to simulate benchmark tests or I should make also experiment tests?

In order to validate a numerical code. I compute benchmark tests. I don't know that I should make other experiment tests or the benchmark tests are enough to validate our numerical model.

27 September 2017 766 6 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 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

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 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