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

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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View