Does Covid-19 vaccine give to pregnant and breast feeding women?

I need to know the safety of Covid-19 vaccine in pregnant and breast feeding women

17 February 2021 504 9 View

How can we calculate the concentration of nanoparticles in a solution ?

1- Absorption of 1 cc of a nm solution of 20 gold particles at 530 nm equals one. Calculate the extinction coefficient of these nanoparticles (consider the light path length of 1 cm). If we were...

30 November 2020 9,274 1 View

How can i collect many blood sample from the rat for pharmacokinetic study without killing the rat??

how can i collect many blood sample from the rat for pharmacokinetic study without killing the rat??

28 October 2020 2,675 8 View

What's the effects of the wet season and dry season on biological soil crusts specially algae (Cyanobacteria and green algae)?

I work the research about stabilization of soil by Biological soil crust especially algae (Cyanobacteria and green algae) Could anyone please help me about this topic soil stabilization using...

17 December 2019 8,682 3 View

No title

04 November 2019 7,867 3 View

Is there researches about "Bearingless Brushless DC motor" that explain the magnetic forces needed for the suspension?

I need researches about "Bearingless Brushless DC motor" about the magnetic forces and the displacement of the rotor that will be measured by hall sensors,,,I am trying to build a matlab...

14 January 2019 1,062 2 View

simulate a brushless dc motor open loop with ?

HI I am trying to simulate an open loop brushless dc motor ,but although Ive followed the exact equations, the results are unacceptable please Ive attached the matlab simulation if any one have...

03 January 2019 6,419 1 View

What are the best mobile phases to identify phenolic acids in ethanolic plant extract ?

Im searching about mobile phases , using thin layer chromatography, for identification of flavonoids and phenolic acids for my research. thank you

30 November 2018 8,197 3 View

Is there a difference in performance and in results when run CFD software on a laptop with Nvidia Quadro graphic card as compared to Nvidia Geforce?

I am inquiring about the best laptop features to run CFD software efficiently so that I get the minimum time of run and the best visual results. Any valuable recommendations are welcomed!

15 August 2018 8,802 5 View

What are the biological factors that affect on erosion in soil ?

There are many microflora in soil such as bacteria, algae and fungi that affect soil properties Are the bacteria present in the soil affecting soil erosion and physical and chemical properties...

12 February 2018 1,294 9 View

Hello fellow researcher .. What is the meaning of your name?

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

How can the use of Jolly Phonics improves the quality of reading, speaking and writing in rural disadvantaged communities in Papua New Guinea?

Jolly Phonics reading program is an effective way to teach early reading to young learners. How can lectures at the university prepare early childhood student teachers to teach Jolly Phonics to...

03 March 2021 3,731 3 View

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 View

An article on the Iranian state's civil liability in the COVID-19 matter needs supervision; Is anyone interested in collaborating?

Hello. An article on the Iranian state's civil liability in the COVID-19 issue has been written in collaboration with a friend and a comparative look at law and biology. The article is ready to be...

15 February 2021 2,906 2 View

Do have new reseach that you wish to publish a chapter on for free: Areas now Blockchain and cooperative computing?

03 February 2021 4,497 6 View

Which ethical metrics is expected from an academic who is the owner or the creator of the measuring instrument?

Which ethical metrics is expected from an academic who is the owner or the creator of the instrument? The measurement tool will be applied to adults as an online form and a snowball sample will...

01 February 2021 9,188 3 View

How do i calculate the mean of patient age represented by year + months?

Dear all , I'm doing a pediatric study and the majority of sample's ages are repressented by year + months such as 6Y+4M. How can enter the data and calculate the mean in SPSS? Thank you for...

01 February 2021 570 10 View

What is the magnetic anisotropy constant for Permalloy (NiFe-80-20)? Can anyone suggest some papers?

Need to know the equation of anisotropy energy for permalloy and also the constants. Any reference paper will be helpful. Thanks for your time and cooperation.

26 January 2021 7,842 3 View

How to prepare a liquid sample for FTIR spectrum?

I have a ethanol-water 50% extract of mango peel. I purified mangiferin from the extract with filtration and precipitation. so i obtained a low concentrated extract which i want to se the IR...

24 January 2021 8,880 7 View

I am teaching ungraduate and graduate students as part-time lecturer, paid per hour, in Cameroon, How can I manage to obtain my ranking somewhere?

I am teaching since 11 years at three Universities in Cameroon as par-time lecturer. I am manage students, but without any university distinction and it is recruited lecturers who are beneficers...

14 January 2021 7,857 10 View