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

What are the things you should keep in mind while designing a controller for a quadrotor and want to implement it on hardware (via arducopter) ?

I am designing a flight controller for a quadrotor. At first I am designing a nested/cascaded controller consisting of only proportional controllers Kp . Now, if i tune the rate controller for 10...

03 February 2021 5,001 3 View

Can't run my IPMSM drive system with DC-supply higher than 125 V. Have anyone had similar problem?

Hey, I try to run my 4 pole IPMSM with PWSVM and use a typical controller with PI-controller with a current loop and speed loop. When I run my system with DC-supply 100 V with a steady-state speed...

28 January 2021 7,354 8 View

How does artificial intelligence impact cybersecurity?

With emerging technologies, the availability of data at every point of customer interaction has increased. Consequently, the need to monitor and secure the data has increased. With data being...

19 January 2021 7,944 9 View

How important Sustainable and Renewable Energy studies and dynamics in Europe ?

Dear sustainable and renewable energy researchers, I aim to review Research areas regarding Sustainable and Renewable Energy and I am currently establishing all the controls. Can you help me to...

11 January 2021 1,099 3 View

Why does HIF-1alpha in HUVECs treated with CoCl2 show two bands on WB?

Hi, I want to detect HIF-1 alpha in HUVECS treated with CoCl2 at 0, 50, and 100uM. I observed two bands at 100kDa (band #1) and 90kDa (band #2) in the treatments and the controls. However, the...

30 December 2020 9,632 1 View

Did we interpret our SDS-PAGE results correct?

This is our first time doing SDS-PAGE, and therefore we would like to hear from more experienced people if we interpret the results right. Attached is a picture of one of our gels with our...

01 December 2020 1,440 3 View

Solve a complex equation in MATLAB?

Hi every one, here I have a problem in MATLAB, when I want to solve the following equation, relative to PI in the photo, or tau in the code, MATLAB will send me this error: Warning: Unable to...

08 October 2020 9,476 11 View

How do I write a program for a Casio FX-9860 GII?

I have a calculator with models Casio Fx-9860.I want to create my own lesson formulas as separate menus,For example, I would like to create a menu for the fluid mechanics course and a separate...

30 September 2020 6,683 3 View

Which proteins are continuously expressed (at stable levels) in mammalian monocytes and thus, suitable controls for Protein expression studies?

Hello! Currently I am testing whether an externally added agent affects the expression of only one particular protein or whether it generally inhibits protein synthesis due to its toxicity. For...

14 September 2020 6,359 3 View

What is the formula for sample size calculation for a matched case control study with 2 controls per case?

Please let me know the sample size calculation formula for a matched case control with two controls per case. The online calculators have 1:1 ratio in matched design. Would be grateful for any...

10 September 2020 5,615 2 View