Can give us where can I download free textbooks?

More Khalid Mohammed Breesem's questions See All

What is your opinion about who is writing and discussing here in Researchgate in the mother tongue and not English?

Are you with or against?

31 December 2018 5,421 0 View

Why do you want to write for journals? What is your purpose?

What are the main important reasons for publishing in a journal? Many thanks in advance.

09 October 2018 1,754 5 View

Does the colour of the Powerpoint slide determine anything? As a reader / examiner, what colour would you like on the slide?

Thank you in advance

04 May 2018 6,174 0 View

No title

Do you agree with above-mentioned? Thank you in advance.

01 February 2018 1,890 1 View

What's the latest software for the concrete mix design that's functioning?

Does anyone have a version of this? Thank you in advance

01 February 2018 8,092 1 View

Are you agree that the best is to join a conference related to your field of study?

The points are when attending a conference in the field that you are doing, what will you get?

01 February 2018 4,082 0 View

Are you agree that the knowledge measured by publishing a paper in a journal with an impact factor?

It's undeniable that publishing papers, especially in high impact journal, give empowering knowledge for the benefit of society. What you think about the other publications. Is it an achievement?

31 December 2017 9,829 7 View

What are the Strongest Types of Concrete?

Concrete gives its full strength through the chemical reaction between cement and water which is called hydration. What are the Strongest Types of Concrete? Dear colleagues, thank you for your...

31 December 2017 4,117 3 View

Are you agree English text is often shorter than other languages?

Dear colleagues, Thank you in advance.

31 December 2017 2,399 7 View

How do you introduce yourself to your students on the first day of teaching?

Most of us were nervous when they began lecturing and some of us felt nervous each time they stood in front of a group of students. There are a number of strategies that can help. In your opinion...

31 December 2017 801 5 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

Hello, does any one know a free medical text dataset?

a free multi label clinical text dataset , containing text as entry and several labels as classes. Best regards

22 February 2021 5,988 2 View

Protocol for membrane extraction E. coli?

Hello! I am interested in determining whether a poly-unsaturated fatty acid I have engineered E. coli to produce is being incorporated into the membrane of the cells or if it is simply a free...

21 February 2021 7,447 2 View

Can anyone recommend which is the best free questionnaire software please?

Hello, I am looking to send out links to an online survey. My previous research project used a paid for survey software. I am now looking for something that's free but straight forward to...

19 February 2021 5,641 3 View

How to obtain free lipids starting from concentration over the CMC?

I need to work with free lipids at increasing concentration (50%, 60% of the CMC ect.). I'm now working with POPC and POPG. To reach these concentrations I have to start from concentration over...

17 February 2021 1,676 3 View