Why frequency of inverter decreases(while frequency of inverter decided by modulating signal frequency) with increase in load demand ???

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Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

How are Large Models Exploring and Outputting Knowledge Understanding in Specific Content Areas, and What Does Academic Research Say About It?

Hello everyone！ I am currently exploring the performance of large models in understanding knowledge in specific domains, and attempting to construct a knowledge framework similar to what...

05 August 2024 5,729 2 View

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity?

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity? What is the acceptable percentage of error (regardless of the metric)? Could you suggest...

03 August 2024 5,358 0 View

How do i get an account to upload my published papers?

need to open an account to upload my published papers

01 August 2024 9,255 1 View

What is the problem with these tissue culture plants?

All plants are green but some of these plants becomes yellow. I did not found any reason. Please help me to find out the real problem.

01 August 2024 589 4 View

How to correctly use the UTE and ZTE pulse sequences in Bruker's ParaVision software?

I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...

01 August 2024 9,227 1 View

Is artifacts in XPS possible to build high deviation in binding energy larger than 5 eV??

Hello. Thanks for your consideration to see my question. Recently, I conducted XPS anaylsis of g-CN that is prepared from thermal polycondensation of DCDA, so-called conventional bulk-g-CN,...

30 July 2024 9,824 2 View

Which statistical test should we use?

N=6 Comparing pre and post test likert scale responses. Participants are mix of practicing & preservice teachers.

30 July 2024 7,233 4 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

Can the limit of quantification (LOQ) of an analytical method fall outside its linear dynamic range, or must it always be within it?

Can an analytical method's limit of quantification (LOQ) be outside its linear dynamic range, or is it always required to be within it? Please provide a thorough explanation supported by verified...

29 July 2024 7,198 9 View

What is the most important health question facing the world today?

What global health problem does your research address? Why does it demand an urgent solution?

05 July 2024 6,163 7 View

How are doctors coping with the challenges of sleep deprivation and the demands of performing multiple emergency surgeries?

How do the physical demands of performing multiple surgeries in a single shift affect a doctor's overall health and longevity? How does the quality of patient care change when doctors are working...

02 July 2024 9,470 0 View

My Subject is Environmental economics, is it possible to take advance degree with Climate Finance? Is it will Demanded in 2035?

Climate Finance

12 June 2024 6,917 5 View

How can I Design a general procedure about the Demand analysis process in Project Management?

For an enterprise is very important in order to organize the Project Management process, make a procedure for the Demand Analysis Process. Can you provide me methodogies for this matter? Thanks...

06 June 2024 5,090 1 View

Papers recommendation for 6-Switches 3-phase PFC?

Hello, Could some one help me by recommending papers or books that handle modelling and control 6-switches 3-phase PFC, i.e. state space or tranfer function models, and various control techniques...

29 May 2024 9,407 0 View

How will climate change impact India's agricultural product supply and demand and impact of climate change on risk and return in Indian agriculture?

23 May 2024 1,897 3 View

In sports technology, which came first: the demand for advanced athlete performance data or the development of wearable technology to provide it?

In the realm of sports technology, which came first: the demand for advanced athlete performance data or the development of wearable technology to provide it? How has the evolution of one...

22 May 2024 9,538 1 View

In a simulated microgrid, by applying the flow reference to the flow controller, the performance of the system becomes unbalanced, what is the reason?

I have simulated a microgrid in Simulink MATLAB; DC link voltage is converted to AC voltage by PWM inverter; The control system is implemented using proportional-resonance or PR controllers and...

16 May 2024 8,479 1 View

An engineer wants to use a circular metallic section, in a portion of a building where the torsion demand is high. Recommend a suitable metal among?

Perform Experiment and report

11 May 2024 3,449 1 View

Which is better using low DC voltage or high DC voltage for three phase inverter for driving three phase induction motor?

For the design of three phase inverter for three phase motor drive, which is better using low DC voltage (12 V or 24 V DC) for the inverter stage then step it up using three phase transformer, or...

08 May 2024 3,491 3 View