What can be the fast and reliable algorithm (without neural network) for face mask detection?

Have implement neural network based mask detection algorithm with different colors of masks and that is working with 99% accuracy (around 2 fails in 850 tests) but the CNN based algorithm is too...

06 June 2020 1,440 7 View

How can I analyze flouride through HPLC ?

How can I analyze flouride through HPLC ? is IC better over HPLC for fluoride analysis or ISE is evergreen? I am Curious to know any better analysis for ionic fluoride which is less time...

28 February 2020 5,129 4 View

Is there an ASTM standard for tensile tests on electrospun polymer films ?

I need to perform a tensile test on a 30 micron thick electrospun polymer film, and fabrication limits the maximum length of a specimen to 80 mm. Similar publications have used the ASTM D638...

12 February 2019 3,212 4 View

What could be an alternative to ethanol as a wash buffer for magnetic bead RNA extraction?

I want to avoid ethanol as it is known to hinder downstream amplification process. Also, I am in a process of developing an automated diagnosis of ZIKA and would want to avoid...

09 July 2017 4,716 3 View

How to get good sections of rat heart in cryostat without tissue falling off?

I wash rat heart (left ventricle) 2 times with PBS over an ice bath, dry it with paper towels and then embed it in OCT over cooling bath. Lately, while sectioning in cryostat tissue is falling...

23 May 2017 994 6 View

Does anybody use Trp promoter/operator based expression vector?

13 March 2017 6,329 2 View

Single site cloning - Any enzyme to blunt one end to avoid self ligation?

10 November 2016 3,340 10 View

How can I modify the code of LIBSVM to find distance of a point to the Hyperplane?

30 June 2015 6,891 2 View

What is the best kit for PCR Product Purification? Is there any manual method available for purification?

I have amplified COI gene and for further sequencing, I need to purify it. Right now, I am looking for a purification kit. can anyone suggest one?

10 March 2014 1,920 7 View

Do HepG2 cells when damaged/intoxicated release all of the liver enzymes?

I am working on HepG2 cells and trying to establish a toxicity model by monitoring the levels of liver enzymes viz AST, ALT, ALP and GGT. I am getting the release of AST and ALT. How do I make...

09 July 2013 5,664 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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