What is the most suitable program for determine the state of synergesm, antagonism or addition of mixing two or more toxicants?

In a toxicology experiment the mixing pattern of two or more toxicants required for the physiological or lethal effect. what is the suitable program or equation that I can use?

06 January 2021 7,419 3 View

What are the conditions on projection operators in order to have optimal L^2 numerical estimates?

Mixed finite element methods employ numerical spaces that are, most of the time, something different than the full P^k spaces (polynomials with order up to k). For example, the BDM_k spaces for...

04 January 2021 2,009 2 View

What is the best way to use R to analyze keywords in articles ?

I would like to analyze the presence of certain keywords in several publications in order to appreciate how certain articles contribute to the achievement of the SDGs (The Sustainable Development...

16 October 2020 7,390 3 View

How can i measure traces of Hg2+ spectrophotometrecally, ?

I want to measure a low concentration of Hg2+ in a solution spectrophotometrically, ia there an indicator or something i can use as an indicator for Hg2+ to color it and make it easy to measure

14 September 2020 3,575 3 View

Jornal indexd with SCCI?

what is the best jornal indexed in SSCI and is free to punblish my ariticl about CSR?

19 July 2020 4,895 3 View

Expanding mouse T cells in serum-free medium?

Dear All, I would like to expand T cells in serum-free medium then inject without wash in mice? Is there is a special medium for that purpose? Thank you. Best, Hossam.

12 June 2020 6,112 4 View

How do I choose an appropriate statistical test in SPSS?

03 May 2020 1,018 3 View

How is triangulation used in qualitative data to validate results?

I just want to know your perception regarding the use of triangulation in qualitative research.

20 April 2020 4,441 8 View

How do you start a qualitative research question?

I just want to know what are your own practices in writing a qualitative research question.

10 April 2020 5,702 6 View

What is the reason why older students and teachers do not want e-learning in Arab countries?

What is the reason why older students and teachers do not want e-learning in Arab countries?

30 March 2020 7,545 14 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Anyone that can help with Maxquant TMT16plex which is missing?

Hi I am very new to proteomics analysis. I have got raw files from core facility running thermofisher TMT 16plex 4 hours. I cannot find on maxquant the option TMT16Plex there is only up to 11...

25 February 2021 1,675 3 View