Kindly help me anyone. How photonic crystal influence the antenna characteristics like gain, directivity?

Need a detailed theory regarding, effect of PBG to increase the gain, with less directivity in microstrip patch antenna ...

03 July 2020 4,384 1 View

How to increase the gain and directivity in the microstrip patch antenna?

In CST, while designing the antenna, the antenna parameters return loss and VSWR is good. But the gain and directivity is not attaining as expected level. How to improve this?? Kindly suggest me...

23 June 2020 5,379 11 View

Any Suggestion For Custom Antibody Development?

My lab is currently looking at creating a custom antibody. There aren't a lot of customer reviews on the websites for these things, so what are the companies that you all prefer to synthesize your...

24 April 2020 1,365 4 View

How is hardness of the ceramics measured?

As per the definition, Hardness is the resistance to the deformation. But, deformation can be seen in plastic materials only. ceramics are brittle in nature. So, the material will break when it...

24 January 2020 4,588 3 View

How formalin inactivate microbes ?

Hello everyone I use formalin to inactivate virus. How formalin inactivate virus and other microbes.then how many milli liter of formalin need to be inactivate

01 October 2019 3,391 5 View

Is there any free journals available to publish the review article with in 1 (or) 2 months?

I want to publish my review paper in any reputed journal, but the time duration is less. Are there any free journals available to publish with in 2 months? Otherwise can you list trustworthy paid...

12 March 2019 9,448 31 View

Where can I find sensor data for Hurricane Florence and Hurricane Michael?

I am looking for sensor data (for eg., Satellite, Remote Sensing etc.,) associated with Hurricane Florence and Hurricane Michael? If you have or pointers to it ... Could you share?

04 March 2019 1,576 3 View

Can any one clarify my doubt regarding Related Substances analysis by HPLC quantification?

Hi, My Compound is an Mesylate salt, I have identified 5 impurities and Synthesized. Out of which three compounds are neutral compounds (i.e not in the form of salts), one compound is mesylate...

24 September 2017 8,073 3 View

What is the resistance for the oxidation of gold at higher temperature ?

30 May 2017 5,747 2 View

Test sequence expected to be different from positive control strain?

Suppose we have a sequence similar to positive control strain, what should be the minimum nucleotide variation for the test sequence for it to be considered distinct and not carryover...

03 May 2017 1,764 3 View

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

How does the gut microbiome affect the fibrotic process within the liver?

and Can the gut microbe be used for the treatment or diagnosis of liver fibrosis?

02 March 2021 557 2 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

How to calculate Total Flavonoid?

I analyzed flavonoid total spectrophotometry, the procedure as below: 2 ml supernatan added 5 ml dd.H2O, then added 0,15 ml NaNO2 5%, 5 minutes later added 0,15 ml AlCl3 10%, After 6 minutes,...

01 March 2021 6,722 1 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View

How vaccines of covid 19 work?

Millions ask how vaccines of covid 19 be successful and safe, its here to explain generally how vaccine of pfizer work ,mRNA vaccines teach our cells how to make a protein that will trigger an...

28 February 2021 2,723 4 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View