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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Which is better medicine or food in obesity?

Preference in terms of the scientific aspect

28 February 2021 796 2 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

Treating Intermediate Variable in Linear Regression Analysis in SPSS?

While performing the Linear regression analysis in SPSS version 26.0.0. my intermediate/mediation variable goes to the excluded section. Please share your valuable suggestion "How to restrain the...

25 February 2021 4,591 5 View

How to find natural frequency of a bridge from vehicle induced vibrations?

i have frequencies of bridge that are effected by mass of vehicle. the problem is when any vehicle pass the bridge it would add the its mass to the bridge mass ultimately mass of the bridge will...

22 February 2021 10,004 3 View

Purification of proteins from baculovirus-infected insect cells?

18 February 2021 6,665 6 View

Small displacement measurement in vacuum?

Hello, I have a question. there is a circular thin foil which vibrates in vacuum, the foil restricted and moves up and down. it is like a diaphragm between two pipes . both sides are in vacuum but...

18 February 2021 8,075 3 View

Pile-Raft connection?

Greetings, I was wondering what is the optimal way to connect the reinforcement at the top of the pile (the part that connects to the raft foundation): -The pile bars are left straight and...

16 February 2021 2,007 3 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

Want to ask about equivalence ratio?

09 February 2021 5,273 2 View

In Michaelis-Menten Kinetics, why K(subscript)On have units (mol^-1)(time^-1)?

where K(subscript)On is the rate of Enzyme (E) + Substrate (S) going to Enzyme-Substrate complex (ES). I think I understand why K(subscript)Off and K(subscript)catalysis have units of time^-1....

11 January 2021 649 8 View

Do chemical and physical properties influence on the size of a polymer particle?

I would like to know if the properties of a polymer impact on the size of the particle it forms. I'm working with different polyssacharides (alginic acid from different seaweed), which are...

29 December 2020 7,333 6 View

How to make solution with molar ratio 1:40?

Currently i'm working to develop encapsulation using ferritin, based on many journals they always wrote the molar ratio between drugs and ferritin, for example 1:40, how to know the molarity that...

22 December 2020 6,582 2 View

Having issues understanding the particles/mL to molarity conversion, I've seen many different way but non of them seem to match one an the other?

I have 68nm spherical Au NPs, which gave me a concentration of 1.22 x 10^9 particles/mL. How can I calculate the molarity without the need for TEM?

22 November 2020 8,850 3 View

What solvent can I use to prepare a higher concentration of 5-Bromouracil?

I am standardizing a UHPLC method for separation of thioguanine phosphate metabolites. For this, I want to use 5-Bromouracil (5-BU) as an internal standard, however I am unable to prepare solution...

15 November 2020 4,982 3 View

How storage capacity for clathrate hydrate is calculated?

Storage capacity of hydrate solely depends on molar volume of empty hydrate lattice because rest of the terms get canceled (even moles of gas consumed). However, if we take temperature constant,...

16 October 2020 720 2 View

Please suggest that the way of obtaining the concentration (in mol) from the gas mixture (N2=98%, Ethylene=1% and Butadiene=1%) is correct or not?

I have a gas mixture (N2=98%, Ethylene=1% and Butadiene=1%). I want to obtained the molar concentration of each components for 1mL volume of the gas mixture. For that purpose, I have used the...

29 September 2020 6,233 1 View

How can I make a HgSO4 1M solution?

Hi everyone I want to make a HgSO4 1 Molar solution for deposition (electroplating) in my electrode, but HgSO4 is not soluble in water! What can I do !? Because My other solutions are all in water.

14 September 2020 3,461 3 View