Is there any option for characterization of Silver Nano-particles (AgNP) in Bangladesh ?

I want to characterized Silver Nano-particles (AgNP) after green synthesis. Is any of following options - Scanning Calorimetry (DSC), Ultra Violet Visible Spectral (UV-vis) analysis, Fourier...

29 October 2020 5,740 3 View

What should I must do for HPLC method validation ?

Which parameters (among linearity, LOD, LOQ, %RSD, % of recovery etc.) I should must check in HPLC method validation ?

05 October 2020 5,096 25 View

How will I calculate concentration of a compound in a crude extract by HPLC ?

How will I calculate concentration of a compound in a crude extract by HPLC ?

05 October 2020 3,116 5 View

Why Phenyllithium and Bromobutane are produced in the reaction of Butyllithium and Bromobenzene?

04 October 2020 7,285 11 View

Is there any website for blasting primer sequence for Brassica napus other than www.brassicadb.org?

Hello Altruist, I am a newbie in Brassica research. I am working on RFo (Restoration of Fertility of Ogura type MS) marker development for rapeseed. We have some very good SNPs identified from...

26 July 2020 445 2 View

Is there any way to couple the simulation result of Electrical Double layer with that of Piezoelectric property of a cementatious material?

If I simulate the Electrical Double Layer of a cementatious material and then simulate the Piezoelectric property of the same material,which platform should I use to combine these two results? If...

17 June 2020 9,267 3 View

Is there any drug available for the effective treatment of COVID-19?

This is now a burning question worldwide- which drug can specifically minimize the severity of COVID-19? Thanks in advance!

29 March 2020 1,285 15 View

Why we use FBS instead of culture media in cell freezing?

Hi, I have a simple question: When we freeze cells why we use 90% FBS and 10% DMSO? I know that DMSO is used for cell cryopreservation but I don't know why we use FBS instead of culture media?

28 January 2020 7,077 3 View

How to use DBSCAN on 2D lidar video data?

Python or C++ codes are preferable.

12 January 2020 5,383 7 View

For a Multiple Effect Desalination system (MED), how is it possible to evaluate the real capital cost as an industrial case??

for a Multiple Effect Desalination system (MED), how is it possible to evaluate the real capital cost as an industrial case?

12 June 2019 2,456 1 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View