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

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

Isolate secreted protein from Pichia BMMY media

I have a Pichia expressed and secreted protein, which i need isolate. Anyone knows how to purify the protein from the media in a large volume setting?

07 June 2017 8,133 2 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 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

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

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

I need dataset for recommandation system?

Hi every body I need to collect datasets from different source to work on recommendation system algorithms, could you advise me how collect data?

27 February 2021 7,063 7 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View