The main reason of this belonging is that it was the vanguard of Mongol tribes who declared her subordination to Genghis Khan ?

04 April 2019 1 4K Report

ان فتيات هذه القبيلة كنَّ المفضلات لدى اسرة جنكيز خان، وربما لصفات ومزايا يتمتعن بها، أو ربما لجمالهن وحسنهن، فكن تقريباً حكراً لاسرة الخان وحاشيته.

Dr.Suaad Hadi Al-Taai

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Is there is any LTE implementation in the 5G?

dear sirs what is the main difference between the 4G-LTE and the 5G -LTE , and how we can implement the LTE concept in the 5G new radio?

30 March 2022 1,292 5 View

How the data stream ( QPSK or QAM symbols ) in the transmitter created fothe MU- mimo in the massive mimo ?

How the data stream ( QPSK or QAM symbols ) in the transmitter created for the MU- mimo in the massive mimo ? and how the symbols are multiplied by the precoding matrix? for example, we have 30...

22 December 2021 5,179 1 View

What is the relation between the data streams signals matrix and the actual channel in the massive mimo?

dears colleagues , i wanna ask about the On the downlink, the k-th QAM symbol,qk(with optional power weighting), is multiplied by the complex conjugate of the estimate for the mk-th channel...

27 November 2021 2,261 0 View

Dear colleagues.. How the data steam from the transmitter deal with the channel in the massive mimo ?

how the data steam convolution with the channel matrix in the massive mimo ? is the data stream is sent through all the antennas in the base station ? or it is sent according to user scheduling...

20 November 2021 2,453 4 View

How do you treat those who offended you?

A large number of us are subjected to abuse from a number of people, especially those close to us because of jealousy , and we usually cannot respond to the abuse to them similarly because we are...

29 May 2020 6,751 6 View

Do you support affiliation with charities?

Many of us belong to a number of charities to help the poor and the needy

28 May 2020 8,238 3 View

Did you encounter a problem with one of your students at the university and how did you manage it?

A large number of university professors face many problems with students, some of them can solve it and others lose control and cannot find appropriate solutions to them

24 May 2020 2,454 9 View

What are the most important foundations that a professor at the university should follow when discussing master’s theses and doctoral dissertations?

There are important matters that the professor must adhere to at the university when discussing masters theses or doctoral dissertations, including asking important questions related to the...

23 May 2020 6,174 4 View

What is the importance of university professors' participation in international conferences?

In my view, the university professor should participate in at least two international conferences during the year to see what is new

23 May 2020 8,662 3 View

Do you like your field and specialization?

Many of us do work that they do not like and do not feel a desire to do because they love specialization and work of another kind that meets our ambition

23 May 2020 2,919 27 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

What may be the reasons for failures of Tube toi Tube Sheet Joints in Boiler Drum ?

We have observed that tube to tube sheet joint leaked in our boiler and needs to overcome same by knowing the root cause.

08 August 2024 3,161 0 View

What is the problem with these tissue culture plants?

All plants are green but some of these plants becomes yellow. I did not found any reason. Please help me to find out the real problem.

01 August 2024 589 4 View

Reason for discontinuities in my Band structure?

Hey All! I am wondering what might be wrong with my band structure. I did the calculations using VASP and plotted the results using Origin. Although I have tried changing various input...

25 July 2024 2,920 11 View

Is it fare for editors of reputed Journals to put on hold manuscripts more than six months without review updates, Are they harassing researchers?

It is being seen that Editors of some reputed Journals are putting on hold the manuscripts and not updating review states even passing more than six months from submission. Researchers are...

24 July 2024 8,596 2 View

Has anyone tried freeze flow samples in -80C freezer or liquid nitrogen before processing?

Our lab has some radioactive cell samples that need to be kept frozen for at least 30 days before flow analysis. For some reason, the samples stored in liquid nitrogen did not perform as well as...

15 July 2024 9,975 1 View

My Cyclic voltammetry curve doesn't show cathodic peak of Cu2+ to Cu+. how to solve this problem?

I performed CV of Cu-MOF in a buffer solution of pH 8, and we did not find any peak corresponding to Cu2+ to Cu+. What is the reason behind this? Please give your valuable suggestions.

08 July 2024 2,388 4 View

Hello, I’m growing three species of microalgae under heterotrophic and mixotrophic conditions. Both the two turned yellow?

What could be the reason for mixotrophs to be yellow too instead of green? Thank you

08 July 2024 594 2 View

What are possible reasons for having the repeated wavy patter in Raman spectrum?

I'm currently analyzing the Raman spectra of coloured plastic samples and have encountered a wavy, oscillating pattern in the spectra of some coloured samples. I was wondering what the possible...

04 July 2024 1,949 4 View

Which river basin has lowest total replenishable groundwater resources &utilization of irrigation potential created lags behind potential created why?

Which river basin has the lowest total replenishable groundwater resources and utilization of irrigation potential created lags behind the potential created what are the reasons?

03 July 2024 9,638 0 View