The relationship between absorption maxima and photodynamic activity ?

Dear Colleagues, I am investigating methods to determine the photodynamic activity of photosensitizers for photodynamic therapy. One of the methods being used is absorption spectrometry. A work...

31 December 2019 4,771 3 View

The interaction between magnetic liquid and strong magnets?

Dear Colleagues and Professors, I am doing experiments on the interaction between magnetic liquid and strong magnets to display the magnetic field line of a magnet. In best conditions, the...

09 October 2018 680 12 View

World's Simplest Electric Train?

Dear colleagues, We are conducting experiments on battery-magnet systems running in copper tube (also known as World's Simplest Electric Train). Our equipments includes: -A pin size AAA...

08 September 2018 8,237 5 View

Which university rankings are better, Times Higher Education or QS University Ranking?

Dear colleagues, I found that the results of the ranking of the Times Higher Education and QS University Ranking are different. For example, according to the ranking of the QS University Ranking,...

01 February 2018 4,902 18 View

The Nobel Prize in Physics 2017 ?

09 October 2017 3,524 2 View

Ultrafast Thermal Nonlinearity?

Dear colleagues,It is shown that thermal nonlinear optics is very strong. However, their response time is too slow, about 10^-3 second compared 10-^15 second in electronic nonlinear optics. By...

08 September 2017 3,706 2 View

The thermal and optical properties of organic material?

08 September 2017 3,146 5 View

Was organic film prepared by Sol-gel and magnetron sputtering methods?

Dear Colleagues,I'm investigating third-order nonlinear optical effects in dyes such as Acid Blue 29, Oil Red O, ect. To exploit the applications of these materials, we have to convert them into...

08 September 2017 9,441 2 View

Why can't modified Z-scan replace the original Z-scan of Prof.Sheik- Bahae ?

08 September 2017 9,298 2 View

Why do organic material always have negative nonlinear refractive indices?

We know that organic material often has a strong nonlinear optical effect due to delocalized electrons at pi-pi* orbitals. However, I still do not understand why they always have negative...

08 September 2017 2,759 9 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 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

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View