What is the role of ether solvent (such as THF) in Sonogashira coupling?

Can Amine (such as Et3N) be used as solvent as well as base for the Sonogashira Coupling? How to decide the amount of solvent to be used in any reaction? Does the amount of solvent affect the...

14 February 2021 4,018 3 View

Can we assume partially saturated soil conditions during Vacuum Consolidation Method?

Normally we assume that the zone of vacuum consolidation is fully saturated. But I need to find out what effect the existing groundwater table has on effectiveness of Vacuum consolidation method....

30 November 2020 2,978 1 View

Should agricultural research move towards bio-fortified products of various crops ?

To tackle the problem of various micronutrient deficiencies (Zn, Fe, Pro VitaminA, quality protein, etc.) when certain foods are consumed as a staple.

26 November 2020 9,725 13 View

Is there a significant reason behind the middle layers not being improved during VCM?

In most of the cases I found that the middle layers of VCM do not gain significant strength like the top and bottom layers. One possible explanation could be reduction of VP with depth and...

01 November 2020 9,242 2 View

How Architecture is related with Culture?

How architectural form, shape, style and technique are influenced by Cultural Values and Norms?

05 October 2020 6,651 17 View

Do we really pay serious attention to balance such factors for good design affecting in Human comfort?

It has been recognized that Architecture is influenced by many factors like, Social, Physical, Cultural, Environmental, Economic and Political etc.

04 October 2020 5,867 10 View

Why do we use HHL as a substrate in studying ACE enzyme inhibition activity assay?

Need to know from the community why we use Hippury-L-histidyl-L-Leucine as a substrate in ACE inhibitory activity

20 September 2020 1,040 5 View

Just noticed with some papers that when we use Box-Behnken design for optimization using RSm, there are three identical runs. Can anyone explain why?

I ran a experiment in design expert and obtained three identical runs which seems weird. Checked few papers and they have three identical runs too and are published. Whats the reason behind this?

14 September 2020 6,091 8 View

Why do we need billions of copies for target DNA in PCR ?

Why do we need billions of copies (photocopying) for target DNA segment. After all the segment has the same complementary base pair. I mean why do we need more than one even?

29 May 2020 5,719 3 View

How can I specify the viscosity of the input flow in simulation on Non-Newtonian fluid in ANSYS fluent ?

I am new to ANSYS fluent. I am trying to perform simulation of Non-Newtonian fluid in ANSYS fluent. ( Shear rate dependent) I was able to tune the consistency index( k), power-law index ( n), and...

04 May 2020 3,484 2 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 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

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View