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

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

Droplet PCR in plastic chips always result an unexpected band, any suggestion of possible contaminations and how to improve?

I am doing droplet based digital PCR inside plastic chips. I can get the correct band, but I also consistently get an unexpected band, slightly shorter. I attached a typical gel image here....

18 February 2021 6,618 2 View

Is ANSYS Fluent good for simulation of a three phase reactor(stusy of its hydrodynamics or mass transfer...)?

Hello everybody, I would like to simulate a three phase reactor and study its hydrodynamics. I would like to know which type of software is better? I have a good command of ANSYS Fluent and I am...

10 February 2021 4,303 3 View

Does anyone knows about a comercial software to record pressure and temperature during reaction in an Autoclave?

Dear all: Currently I am working with polymerization reaction in a reactor. For this, I need to control temperature, pressure, agitation speed etc. For calculation of rate of polymerization, I...

07 February 2021 355 2 View

Inquiry regarding engineering journals for free publications for my dissertation (laser polishing of 3D printed parts?

my dissertation was on laser polishing of 3D printed plastic parts, i want to publish it, can anyone suggest me a free copy engineer journal for this purpos, plz?

01 February 2021 7,140 4 View

How to measure the hardness for PLA & PHAs polymers?

Hello, I am a bit confused on whether to follow ASTM D785 (Standard Test Method for Rockwell Hardness of Plastics and Electrical Insulating Materials) or ASTM D2240 (Standard Test Method for...

21 January 2021 7,487 4 View

Where can I find stress-strain data for steel to define plastic properties in Abaqus?

I am looking for stress-strain data for steel to input for the plastic properties in Abaqus. However I cannot find any literature or experimental data on the matter. If full data is not available...

15 January 2021 9,070 2 View

Hi, could anyone help me knowing which kind of Diamond blade would be better to cut thermoplastic composite?

The blade that could cut ceramics, or the one that could cut plastics and polymers?

06 January 2021 2,713 3 View

Which one is the novel method for the recycling of grey water irrigation?

Recycled vertical flow constructed wetland (RVFCW), Membrane bio Reactor or simply constructed wetland.in small communities and household, please mention with description

30 December 2020 6,258 4 View

What is volume of gas sample to be injected into GC for analysis?

I'm currently working on a batch type gas phase photocatalytic reaction. For product analysis, i draw the gas samples from the reactor using a gas tight syringe and then inject directly into the...

22 December 2020 6,850 2 View