Is this 6GHz wifi antenna create complexity at the time of febrication?

I have design a 6GHz antenna for wifi.The feed line width is 2mm and there are 2 parasitic elements beside this feed line with 1 mm gap.Is there any problem at the time of febrication?

04 February 2021 9,241 3 View

How can you make a PEDOT:PSS film using the doctor blade technique?

I have been trying to make an even PEDOT: PSS (PH1000) film with the doctor blade technique (tape casting) with varying results. I have been using a silicon substrate that's treated with piranha...

01 February 2021 8,506 5 View

How robust are open source soil moisture sensors connected to an arduino board for field monitoring?

Seeking recent experiences in the development and deployment of low-cost soil moisture sensors (ideally under $50/sensor) connected to arduino-based dataloggers. What is the longetivity of the...

19 January 2021 6,256 2 View

How to separate a mixture of organic acids by GC?

I would like to develop a method for analysis of many organic acids in the same time. how to separate the chromatographic peaks of each one?

20 December 2020 8,399 3 View

Should I keep the missing values > 50%?

I have a data set of 771 sample size. But some of the variables (laboratory findings like ALT, AST, creatinie level) have more than 50% missing values. Should I drop those? But I think those...

13 December 2020 4,847 3 View

How to Strip off HSQ( Fox 16) after etching?

We are finding a hard time to strip of residual HSQ ( Fox 16) after using it as a mask in etching? We are coating 600 nm thick HSQ and writing with 3000 microC/cm^2 dose at 1 nA current. We are...

08 December 2020 5,452 2 View

Why the oral cancer cell line from metastatic tongue origin is showing less aggressive property?

I am working with oral cancer cell line SCC090 (ATCC). As per ATCC data sheet it is originated from metastatic tongue. It's primary site is not mentioned. Due to the origination from metastatic...

08 December 2020 5,674 3 View

What is the best suited direct protocol for miRNA isolation from exsosome?

I want to isolate exosomal miRNA only, for that do I need to first isolate total RNA and then go for miRNA isolation? or can I directly isolate miRNA from exosome and do the analysis? if yes...

08 December 2020 5,803 4 View

In case of larger sample size (more than 700 sample) can I do t-test though the data is not normally distributed?

My sample size is more than 750 but sk test is showing non-normal distribution. The variables have several outliers but I shouldn't remove those. In that case what should I do? t-test or other...

06 December 2020 1,285 19 View

Why the western blot of HIF1alpha of the whole cell lysate shows intense band under normoxia without any induction of hypoxia?

I am working with oral cancer cell lines and trying to find the expressional changes of HIF1alpha under different experimental treatment. I am getting intense band of HIF1alpha in the western blot...

29 November 2020 5,707 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

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 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

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View