What are the latest trends in low voltage ride through of wind energy systems?

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Why porous membrane breaks during drying?

Hi, I am preparing a porous Carboxymethyl cellulose membrane by adding DMF as non solvant. After addition of DMF into CMC, I stirred it at 70 degree for 4 hours and then put into glass petri dish...

23 June 2024 3,080 2 View

I want determine Iron by spectrophotometer? Anyone know about the spectrophotometric determination of iron and copper, kindly share the procedure?

spectrophotometric determination of iron and copper

04 June 2024 1,720 0 View

How we can find thermoelectric properties of 2D by VASP?

Hello Seniors, I need some help, I want to find out thermoelectric properties of 2D materials by VASP software can you tell me All steps and important INCAR tags.?

02 June 2024 7,093 1 View

Since many centuries human has researched on advancing weapons of destruction, why not researched on ways to bring advancement for peace in the world?

The mankind is on the edge of resistance to peace. If you view news you will find that every day there are portions of the world where wars are happening and many innocent people are being killed....

26 May 2024 4,633 3 View

What is the difference between Calibrator. Control and Standard?

i am working in a diagnostic lab and very confusing about the calibrator, control and standard that we are using in our lab for quality assuarance of diagnosis of disease

07 April 2024 5,763 2 View

How to calculate HKL values without JCPDS card?

I am working on HKL values calculations for Pna21 space type BFO. is there anyone who can recommend a reliable method for the calculations of HKL values without accessing JCPDS cards....?...

13 March 2024 4,942 2 View

Wht to do if 4 items of one factor loaded in 2 different columns ?

There are 4 items in one variable and in EFA , items loaded in 2 different columns of other variable

06 March 2024 2,161 1 View

I want to write patent, suggest some fields in the area of control systems, mechanical engineering?

Hi, I am going to graduate soon InshaaALLAH. I have a plan to write a patent, I am currently working in the control and design laboratory and my Prof. expertise is also in control systems. I...

28 February 2024 8,573 1 View

Overview of Machine Learning. What are the opportunities it brings to developers? What threats does it pose to society?

I need a referenced cites on the above

17 February 2024 7,991 2 View

Devise a cloning strategy to clone Chitinase gene from Spodoptera frugiperda into maize against a fungal pathogen Alternaria alternata?

If I have to make the cloning strategy, what should be my workflow to do this. I got two problems, one to select suitable expression vector from pCAMBIA1301, and pCAMBIA1302. As 1301 has GUS...

17 February 2024 8,748 2 View

Could you recommend some articles on Urban Transportation System optimization and Innovation?

13 August 2024 2,595 3 View

How to develop investments in renewable energy sources?

08 August 2024 5,112 3 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

In WECS : Gain values for conversion of PMSM rotor speed(rad/s) to p.u. input to wind turbine and Torque(pu) of WT to input of PMSM-Torque (Nm) ?

I am working on developing a MATLAB Simulink model of Wind turbine with PMSG followed by MPPT Boost converter. I have gone through so many literature and videos but I am not finding clear solution...

03 August 2024 888 1 View

Is it possible to improve the reforming section of the Haber-Bosch process without using air separation units?

A typical reforming section in a large-scale Haber-Bosch process (Figure 1) comprises two reactors. A mixture of methane (CH4) and steam (H2O) is fed into a primary reformer to produce syngas via...

01 August 2024 7,051 5 View

A Question about Phd thesis?

Hello everyone What is your opinion about the introduction of an expert decision support system in which the rules are extracted from existing data without human intervention, instead of being...

31 July 2024 5,785 4 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

After a lot of feature engineering for CTR modeling, it feels like it's basically the end of iteration? I mean, it's not cost-effective to keep doing?

After a lot of feature engineering for click-through rate modeling, it feels like it's basically the end of iteration? I mean, it's not cost-effective to keep doing it?

29 July 2024 4,955 0 View

How to use Desmond in HPC ?

Our department has recently acquired an HPC (High-Performance Computing) system, and I'm thrilled to take my molecular dynamics calculations to the next level using Desmond. I used to run my...

28 July 2024 6,553 1 View

Is there a database with onshore wind production for the wind farms in Portugal?

I am looking to predict some production for future onshore wind energy production in Portugal, is there any database with info of performances of the existing wind farms in the country? something...

28 July 2024 1,750 1 View