What are the advantages and disadvantages of converters?

More Mohamed Atef Tawfik's questions See All

I have get this error when i calculated the geometrical optimization for prco3, it takes 12 hours until gives this message in the outputfile?

Fatal error in MPI_Allreduce: Other MPI error, error stack: MPI_Allreduce(1628)......: MPI_Allreduce(sbuf=000002459254A180, rbuf=000002459F86A140, count=4851, MPI_DOUBLE_COMPLEX, MPI_SUM,...

09 August 2024 7,615 1 View

What is the prepared reference material that can be used in inductively coupled plasma optical emission spectrometry (ICP-OES) to measure REE and U ?

What is the prepared reference material that can be used in the ICPE-9820 Shimadzu Japan instrument, which employs inductively coupled plasma optical emission spectrometry (ICP-OES) to measure...

06 August 2024 1,896 1 View

How much total RNA concentration to be extracted from sorted plasma cells from bone marrow of C57BL/6 mice for RT-PCR ?

i have sorted anti-NP specific plasma cells from bone marrow of C57BL/6 mice at certain times after immunization with variable counts and isolated total RNA using TRIZOL method for RT-PCR using...

05 August 2024 8,835 1 View

How can we use mobile apps for improving students' academic performance?

Mobile apps can be a powerful tool for enhancing academic performance, how can we use mobile apps for improving academic performance

04 August 2024 9,492 0 View

Is someone interested in testing some of our new Alluaudite compounds (Molybdate) in the fields of heterogeneous catalysis and photocatalysis?

We have an original Alluaudite-Molybdate we want to test for catalysis and photocatalysis applications.

04 August 2024 2,261 1 View

Has anyone used Jump 2 before?

Jump 2 is the 1st app scientifically developed to measure your jump height.

31 July 2024 8,194 0 View

Why applying a saved template of a bar chart in a different/new one doesn't take effect in SPSS?

Using SPSS, I made my edits in one bar chart — e.g., font type and size, hiding grid lines, and colours, namely: blue, orange, green, purple, and grey for 5 bars, respectively, etc. — and I saved...

29 July 2024 1,981 1 View

IHC profiler in image j software. has anyone used it to quantify nuclear DAB positivity?

Dear researchers. I tried using the IHC PROFILER in image j to quantify nuclear DAB staining. I followed the instructions in the original article by "Varghese F, Bukhari AB, Malhotra R, De A...

29 July 2024 2,229 0 View

While using the IHC PROFILER plugin in image j software, to quantify the epithelial cytoplasmic DAB staining do you crop remove the stromal tissue?

My question pertaining to the DAB staining in cytoplasm of human oral squamous cell carcinoma tissue. When quantifying the epithelial cancer cells do we have to crop remove the stromal tissue?...

29 July 2024 2,682 6 View

What is EPOC ?

Excess post-exercise oxygen consumption

16 July 2024 366 3 View

How to conduct a sensitivity power analysis for Kendall's Tau?

Is there a straightforward way to conduct a sensitivity power analysis for a Kendall's Tau correlation? I was considering using the sensitivity setting and "Correlation: point biserial model" test...

28 July 2024 6,133 8 View

Terrorism, a natural inclination of all animal species?

There are many types of symbolic judgements. For example, when an Israeli pilot flattens the home of a Palestinian family (even if they are forewarned), it is natural for them to experience shock...

28 July 2024 2,610 1 View

How can I calculate minimal sample size using G Power?

I am conducting a study aimed at exploring the correlation between introversion and social phobia among Lebanese adults. I need to calculate the minimal sample size using G Power, but I'm not sure...

19 July 2024 6,048 1 View

How can we calculate the polygon scanner speed by changing the supply voltage?

I am using a polygon mirror scanner that have 6 facets and the dc brushless motor speed was given 10,000 RPM. Now I want to know how to calculate the polygon speed if I change the power supply...

11 July 2024 5,942 1 View

What should I upgrade in my computer to speed up simulation in CST?

I want to reduce simulation time in CST for frequency domain solver by upgrading my computer. I already have discrete GPU but it doesn't seem to make any difference at all compared to integreted...

10 July 2024 2,789 4 View

What is Printed Circuit Board (PCBs)?

Dear Members, We are conducting a research survey on the Printed Circuit Board (PCBs) industry and would greatly appreciate your valuable input. To participate, click the following...

09 July 2024 4,936 1 View

Full Enquiry On Biomass Energy In engineering Technology?

How is biomass energy essential in the power generation in a country.

08 July 2024 9,477 2 View

How to interpret Sensitivity Power Analysis for 2x2x2 repeated measures ANOVA?

I want to calculate the sensitivity using G*Power. If I have understood correctly G*Power gives me the detectable effect size for three-way interactions if I enter the number of groups (meaning...

08 July 2024 8,653 2 View

How can we do power system state estimation using ML?

I am trying to do a matlab project on power system state estimation. I am doing using WLS,EKF and particle filter method and then comparing these all. To minimize the error can we use Machine...

04 July 2024 6,845 0 View

How can we reduce the porosity of tungsten oxide (WO3) thin films during DC sputtering deposition (target: W, power: 100 W, 75 W, and 50 W)?

We are fabricating a tandem structure where a ~50 nm thick WO3 film is deposited between two metal films using DC sputtering. We use a mixture of Ar and O2 gases at different flow rates while...

01 July 2024 2,686 2 View