Is receiving Invitation to submit a article from the journal is big deal ???

I have recently received a invitation from the journal "Current Pharmaceutical Bio-technology" to submit a research article. As i didn't received any invitation before. so, is it normal to to...

04 February 2021 4,596 23 View

What is the difference between PID-controller design based on retrend / detrend model ?

Dear all, I have a set of I/O data. I estimated a transfer function based ( command: tfest) on this data in MATLAB. (I removed the trend from the data before it: command: detrend). Can I...

24 October 2020 1,664 5 View

Large difference in pressure drop calculation for shell side of shell and tube heat exchanger by Kern and Bell Delaware method , which one to choose?

Dear all, I calculated pressure drop of a shell side of a shell and tube heat exchanger. Pressure drop by Kern method is very large as compared to Bell Delaware method. ( I also confirmed it , as...

08 May 2020 8,044 3 View

What are the popular pressure drop measurement techniques across utility side of the heat exchanger ?

Dear all, Can you please tell me the ways to measure differential pressures across utility sides of the heat exchangers. Unlike process side, the utility side pressure drops may not be...

18 April 2020 3,186 16 View

What is the most appropriate model which could be used to setup Spray Atomization Simulation in Ansys Fluent?

I have been performing a Multiphase flow simulation to observe the droplet formation when the water comes out of the nozzle. I want to set up this simulation in Ansys Fluent 2020R1. I have gone...

24 March 2020 652 4 View

MATLAB script for PID controller based on set-point deviation?

Dear all, I have a code for a system simulation. I do simulate it in a MATLAB script. Now, I want to use the PI / PID controller ( Not from Simulink or Any tool-box). I want to write the code...

31 December 2019 6,686 3 View

Suitable surfactant for emulsifiable concentrate?

I am preparing a emulsifiable concentrate (EC) formulation for pesticidal activity; in which first one will be drug (oily substance), second one will be solvent and third one is surfactant. I have...

30 June 2019 5,913 3 View

How to vary thickness of surface unevenly in comsol geometry?

I have a tube with a fixed inside thickness. Now, I want to change thickness of some part of this tube to X mm and some part to Y mm. Rest of the part has no change. Moreover, the parts of...

29 March 2019 5,548 3 View

Has anyone ever done ELISA for total MTOR content from plasma? If so, then how do the results compare from those done from cell lysate?

Hello, We are thinking about conducting a study involving quantitation for total content mammalian target of rapamycin complex from different biological sources.

05 February 2019 4,147 3 View

Are oscillations in COMSOL Water-Hammer example die down with respect to time ?

I recently saw an example of water-hammering effect example of COMSOL Multiphysics. The example shows that the sudden closing of a valve produces pressure-shock through out the pipe upstream to...

24 January 2019 8,922 3 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

Recalcitrant seed short-mid storage method?

Dear peer scientists, Ultradry storage is not suitable for recalcitrant seeds. However, theoretically, if we can stabilize the structure of the subcellular membrane, as well as glassify the...

25 February 2021 2,442 1 View

What are the saturated salt solutions that can give specific relative humidity of 35%, 65% and 95% for conditioning wood specimens?

Due to the unavailability of climate rooms, I want to carry out an experiment that require the use of certain saturated salt solutions especially those that can condition the wood specimen to 35%,...

25 February 2021 8,139 1 View

Is there a suitable way to confine cell attachment area inside a multi-well plate?

Are there any types of cylindrical cell culture inserts that are designed to confine cell seeding area? Say, if I'm using a 12 well plate (3.5 cm^2/well), but only want to seed cells in the middle...

22 February 2021 7,127 4 View

Helix antenna coupling problem?

Dealing with a helix antenna, made with flexible material and not rigid like using a PCB board or wire. At the beginning of the helix is too close to the ground plane, causing coupling. How can I...

21 February 2021 4,453 3 View

Is it possible to use maize mature seed to do transformation for maize transgenic study?

Almost all research reports which i ever seen work on Early mature embryo for Agrobacterium mediated maize transformation. In other grass families like rice, we can use mature seed and what do...

17 February 2021 1,434 13 View

Dealing with BMDM seeding and RNA extraction ?

biomedical master student here , i am dealing with mice BMDM and would like some help , i seed 0.5 x 10^6 cells/per well in a 6 well plate but when i extract the RNA i get a very low yeild , i...

15 February 2021 1,102 5 View