Any useful source to be prepared for a system engineer/instrumentation engineer role in a X-ray vendor company like Rigaku?

Hi, I'm a graduated Ph.D. trying to land a system engineer/instrumentation engineer position at an X-ray vendor company such as Rigaku and I have some questions about this: 1. How to standardize...

25 October 2020 7,673 4 View

Can one find direct and elementary proofs for two integral formulas?

In the preprint W.-H. Li and F. Qi, A further generalization of the Catalan numbers and its explicit formula and integral representation, Authorea Preprints (2020), available online at...

24 August 2020 4,391 21 View

How to read .msp spectral library in R?

Hello everyone, Does anyone know how to read .msp files in R? I recently obtained a NIST library in MSP form by lib2nist. However, there is no retention indexes information in the MSP library. I...

25 February 2020 7,630 2 View

Surface-based cohesive behaviour: ABAQUS properties?

URGENT! Dear all,I'm currently modelling the masonry wall in ABAQUS using simplified micro-modelling approach. My model didn't go really well, I believe could be something to do with the...

27 July 2019 5,425 5 View

Why my primer efficiency was very very very high?

i am doing primer efficiency test, and i do 1:10 dilution for cdna some efficiency was more than 100, like 178%, however, some efficiency was like 50000000, i never see the efficiency shows 100%,...

06 April 2019 1,354 3 View

What is the optiminization strategy for cardiomyocytes cell culture?

Dear friends, We are trying to optimize the culture condition for human cardiomyocytes. We just want to know if there is an established optiminization strategy for tuning the parameters, such as...

18 September 2018 6,057 1 View

Are there some test electric power systems with geographic location information of the buses?

The IEEE test systems usually do not have geographic information of the system. Does anyone know some test power systems that do have he geographic information of the buses?

03 June 2018 8,908 3 View

Can the methylation level of cultured cells/extracted DNA change?

15 November 2017 1,197 4 View

I want to repeat the COMSOL simulation in water imbibition in a paper matrix using the Richard's equation. How can i simulate the water front?

I want to repeat the COMSOL simulation in water imbibition in a paper matrix using the Richard's equation as reported in Two-dimensional model of imbibition into paper-based network.... When I...

15 November 2017 6,347 2 View

How to prevention and cure the damage by aphid in plant growth room?

29 June 2017 742 31 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

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 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