Why are the cetane regulations in USA and Europe different? ¿why are different the cetane number requirements of a LDV in comparison with a HDV?
Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...
03 March 2021 8,796 3 View
I would like to create a small guide containing the meanings of the names .. Thanks to everyone who cooperates with me in achieving it.
03 March 2021 5,266 4 View
I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...
02 March 2021 4,443 2 View
Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !
02 March 2021 5,785 3 View
How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...
02 March 2021 9,833 3 View
I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...
01 March 2021 8,544 1 View
Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...
01 March 2021 8,220 2 View
I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....
01 March 2021 3,325 2 View
Does anyone have the experience of using Taq Man probes in the QIAGEN Rotar- Gene qPCR machine?
01 March 2021 5,311 1 View
When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?
28 February 2021 3,864 3 View
Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...
28 February 2021 4,237 1 View
Hello everyone, I am interested in writing about a dissertation about the wages of the football players of the 5 main leagues in Europe. I wanted to know if someone had an up to date data base...
17 February 2021 8,847 3 View
What is the best and affordable method for higher education student to build and distribute a survey in the United States of America with consideration of the following points: There are no...
23 January 2021 9,342 2 View
According to the opinions of experts the casualties caused by covid-19 would suppose to be increased in winter. Similar trend is seen in the case of USA and other 1st world countries....
14 January 2021 2,146 2 View
01 January 2021 5,831 1 View
The majority of developing and underdeveloped countries, their citizens, authorities, and governments are in confused states of affairs. Hence failed due to a lack of standards and regulations to...
26 December 2020 1,612 4 View
BREXISM finally is over and they got a trade deal with europe now, but exism left the UK poorer according to the news Brexit is finally done. It will leave the UK...
23 December 2020 4,071 6 View
New Covid virus came to Europe, Australia then will spread other part of the world, do you think that previous vaccine will effective for recent virus?
21 December 2020 4,256 15 View
How is chemistry taught in schools in the United States? A comparative study of high school chemistry education
10 December 2020 9,972 3 View
With widespread, multinational, accelerated adoption, the pace of adoption of AI and cognitive technology continues unabated. AI adoption by companies and organizations continues to increase, as...
22 November 2020 6,517 6 View