How to determine the population and sample size?

15 February 2021 9,340 4 View

A question about Conquest or WebCSD search in-house databases?

Dear all I want to ask help in searching about all crystal structures that contain : Zn/W/P or Zn/W/Si Can anybody help me in case of having access to conquest or WebCSD and his/her help will be...

25 August 2020 1,883 3 View

What are the light quality,quantity and intensity requirements for growing mango under greenhouse or poly houses ?

What are the light quality,quantity and intensity requirements for growing mango under greenhouse or poly houses ?

17 August 2020 2,823 1 View

Find location (x,y) where expression is satisfied in COMSOL ?

for 1-D axisymmetric model. I need to find the coordinate r where the variable x is equal to x0 for all times? find(r, x==x0) .... What a COMSOL operator should I use for that?

02 July 2020 5,098 8 View

A question about Mendely bibliography ?

Dear all, My question is how to do the attached citation bibliography using Mendeley? i.e. merging many references in one number and letter of each.

28 June 2020 5,084 2 View

Can pilot study done under the same sampling frame of parent research?

12 April 2020 5,110 3 View

What is the suitable software for estimating the synthetic accessibility of organic compounds?

Hello all, I just finished designing new compounds using computer-aided method, and I want to know if they can be synthetically accessible or not, actually, I am currently looking for a suitable...

15 November 2019 8,584 10 View

Can anyone tell me is there any alternative material to quartz wool can be used for packing of the combustion column of CHNS/O analyzer ?

03 July 2019 7,332 1 View

How to make a baseline plot (Insar)?

Hi. I've used SNAP to get the baselines and select the master image for the interferograms. But how do I do a baseline plot (other than a scatter plot) so that the possible combinations with the...

01 May 2019 8,821 3 View

PhD possibility: Hydrogen/gas storage in salt caverns, would you apply?

07 March 2019 9,320 1 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

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 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

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View