Confusing questions from before(I)

01 January 1970 0 8K Report

What is the world like? Are the universe and galaxies arranged in a special way? How many dimensions is our world? I read in an article that the world is cylindrical and has 11 dimensions! Is this true?

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What is alternative for PMMA?

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03 July 2024 2,370 1 View

What is relationship between Ritz, Weighted residual method, and Variational Methods in fluid mechanic?

There is a logical relationship among the three mentioned methods; however, distinguishing which one is comprehensive and which one is specialized is essential in a fluid mechanic context.

04 May 2024 4,323 2 View

Stability of 5 chelate rings is more than 6 one?

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01 February 2023 4,624 0 View

Rotation between different isomers in one complex?

What is the main difference between rhombic twist and trigonal twist and berry pseudo rotation? If we have a complex like [Co(en)3]3+, how can we understand the main rotation between isomers?

31 January 2023 5,220 0 View

What structure should I report?

If we have a crystal with a coordination number of five, triangular bipyramidal(TBP) and square pyramid(SP) are expected. An intermediate state may also be obtained due to Barry's pseudo-rotation....

31 January 2023 8,224 2 View

Can LUMO orbital have electron(paired one)?

Can the HOMO orbital be higher in energy than the LUMO in the molecular orbital diagram? What is the reason for that? And can the LUMO orbital not be empty

29 January 2023 5,744 0 View

What is the effect of pressure on size of crystal?

Hello dear researchers By raising the pressure, does the size of the crystals get bigger? In general, how is the effect of pressure on the rate of crystal production?

29 January 2023 1,409 2 View

What exactly is the nature of the magnetic field produced by the device?

I'm confused! In 13CNMR spectroscopy, is 13C nucleus used in the device? What exactly is the nature of the magnetic field produced by the device? From carbon 12 or 13? And does it only stimulate...

28 January 2023 9,030 1 View

Tracking method for low frame rate?

I read some literature about tracking methods, now, I am looking for some methods that are useful for low frame rate videos (low fps). Can you propose me?

27 October 2022 6,775 2 View

How neutralize an acidic complex with alumina as additive?

In what way and when add alumina to our solution of complex in solvent? ( I understood my crystal was acidic with X-ray single crystallograghy and I don't want it. I want a new one with neutral...

26 March 2022 4,703 2 View

What can i do to find the right topic for my thesis?

i am facing the difficulty to find the right and latest topic for my thesis. i searched and read hundreds of articles but i couldn't find the right one. what can i do I'm really confused.

02 August 2024 1,322 8 View

Sample size for qualitative study?

I am working on scale development in behavioral finance by undertaking a mixed-method approach using the exploratory sequential design. The phenomenon has diverse meanings in existing literature...

20 July 2024 9,149 11 View

What is wrong about this model of Universe?

A universe model compatible with VSLT The research of Halton Arp and Eric Lerner supports a stationary universe, and the intrinsic nature of redshift, i.e. not linked to its presumed expansion...

14 July 2024 4,089 5 View

How to disperse silverparticles in water?

I synthesize silver nanoparticles ，and reserve it in water. Then, when I sonicate it some minutes or longer ,it couldn't be dispersed, most of them aggregate .Otherwise ,when I sonicate several...

09 July 2024 7,333 0 View

What is the main difference between a Data Analyst and Business Analyst?

I seem to get confused by these two terms - Data Analyst and Business Analyst. What is the main difference between these two people?

04 July 2024 8,587 2 View

Is science based on a political definition science?

It seems that since 2012 Rio +20 Conference, the world has been moving away from science based perfect market thinking, a moved that apparently has been helped by the confusion created by the 2012...

02 July 2024 4,530 4 View

Unit for GHG emission rate?

In most of the literature I am reading at the moment, the abbreviation μg m−2 h−1 is used to express mean annual fluxes of greenhouse gases. I am confused by the "h" and supposed it stands for...

27 June 2024 9,633 1 View

What should I do when P-value in Wilcoxson test doesn't meet my expectation?

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25 June 2024 1,842 7 View

What is the effect of redshift on the evolution of an AGN?

AGN (Active Galactic Nuclei) are high energy galaxies powered by supermassive blackholes. The evolution of a galaxy is characterized by parameters such as luminosity and redshift. The redshift is...

25 June 2024 3,782 2 View

When using the relative quantification method in the 7500 PCR system, is a reference sample essential?

Hello. In our laboratory, we are currently conducting Loop-Mediated Isothermal Amplification (LAMP) to detect insert DNA in plasmid vectors. When using the LAMP method, we typically use 8 tubes,...

24 June 2024 645 1 View