Can CMOS and CCD images sensors be used as microphones?

I was thinking about Msps and Gsps image sensors in different environments. If a pair of identical image sensors - one exposed to air, gases, plasmas, or partial vacuum - and one in a good...

21 December 2020 9,747 2 View

Proper method for assessing model invariance following Confirmatory Factor Analysis (CFA) and preceding 2x2 between-subject analysis?

I have produced a good-fitting, reliable baseline model according to CFA. The model contains several factors each loaded by several categorical (ordinal) items. I ultimately intend to analyze the...

15 December 2020 1,668 4 View

Hello researchers, can anyone help me with this Structural Decomposition Analysis (SDA)?

I am using Economic Input-Output Life Cycle Assessment (EIO-LCA) model I need to decompose this equation W= P*F* L* Yc* Yg to generate 120 forms. where W is a vector of total water withdrawal...

20 November 2020 4,194 3 View

How do I better visualize protein interactions at edges of periodic box in VMD?

I have a 500 ns molecular dynamics trajectory with several proteins in a membrane. The entire system is enclosed in a periodic box. Unfortunately, my proteins are only interacting around the...

11 November 2020 6,912 3 View

Which part of the ovarian follicle in poultry can I use for RNA and protein extraction. The outer layer or the inner fluid?

Should I use the covering of the follicle or the liquid fluid for RNA and protein extraction. Which technique is easier to use

01 September 2020 3,094 3 View

How expensive are commercially available customized molecular dynamics services?

I am interested in potentially using commercially available customized HPC molecular dynamics simulations. However, I cannot find pricing information on the websites of the vendors. Could someone...

07 June 2020 9,137 3 View

What is the role of journals' reviewers? Should they be absolute judges?

- Ask questions where they are not sure/convinced about a statement/conclusion VS reject a statement/conclusion where they 'think' it is not correct? - Provide suggestions to improve a...

21 May 2020 2,624 7 View

What is the importance of social network analysis in research?

Beyond the beautiful lines or webs showing how connected an individual is, what other meaningful analysis could be done? for instance, are those directly connected the the individual more...

06 February 2020 5,574 3 View

Does EDC/NHS coupling act on primary amides or only primary amines?

I want to use a coupling reagent (possibly EDC/NHS) to link gold nanoparticles to primary amines and NOT primary amides. There are both primary amines and primary amides in my sample, but I want...

16 January 2020 7,378 4 View

What are current best practices for uses of parcelling in psychological psychometric rsesearch?

I am graduate student seeking advice on the use of parcels in psychometric research. I recently read the article "To parcel or not to parcel: Exploring the question, weighing the merits" by Todd...

04 March 2019 8,977 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

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 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

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