last month 0 8K Report

In lanthanide-doped nanocrystals exhibiting photon avalanche effects, what are the dominant factors controlling the threshold intensity for avalanche initiation, and how can energy transfer pathways (excited-state absorption vs. cross-relaxation) be engineered to maximize nonlinear optical gain without inducing photobleaching or thermal degradation?

More Bensafi Toufik's questions See All
How can we prove the strong electronic interaction between the catalyst and carbon cloth support?

How can we prove the strong electronic interaction between the catalyst and carbon cloth support?

19 April 2024 9,216 0 View

How to find ART (Angular Radial Transform) ?

I need to find the coefficients of the angular radial transformation for various 2D shapes. Can someone provide the code for this transformation with explanation?

07 December 2020 3,064 0 View

I would like to know how to add a metallic layer (introduce these parameters) between semiconductor layers in the AMPS-1D software ?

how to enter the parameters of a metal layer in the AMPS-1D software

19 November 2020 3,991 1 View

I ask about limits of chaotic signal generator in the real world for securing transmission?

Is it possible to generate any chaotic signal with desired caracteristics and using it in the transmission security?

25 July 2020 9,805 2 View

In the feature extraction texture ?

in the feature extraction texture when I save the entire feature. Actually, when I am extracting all the features of all images I am only able to get the feature of 1 image can you help me

10 January 2020 1,215 0 View

What free site / software do you suggest to proofread the english papers?

Hello, As non native english speaker, I havr many troubles with my english papers language, is there anyy free site / software that can help?

25 January 2018 3,434 60 View

Where can I download CPLEX academic?

Hi, Can anyone provide the link to download CPLEX academic of IBM? Regards

30 December 2017 6,983 27 View

Hi, someone knows a way how to translate my IC50 values into pIC50 for QSAR analysis ?

Experimental results of IC 50 were calculated 3 times for each compound wich means we have got IC50 +/- error. for QSAR modeling we used to take the pIC50 but for exact values of IC50 not like...

10 November 2016 4,783 12 View

What is the relationship between inception angle and time used when simulating faults in transmission line in matlab / simulink?

Hi to all, When simulating faults in a transmission line using Matlab/Simulink, we can change inception angle by varying the time in the three phase fault breaker bloc. My question is about the...

12 September 2016 8,511 3 View

What is the best way to calculate series resistance (Rs) and shunt resistance (Rsh) for PV Panels?

In the attached mathematical model of PV panels, what is the best way that alow to calculate these 2 resistors?

17 May 2016 2,078 10 View

Similar questions and discussions
Problems about acousto-optic coupling in Comsol, how to check whether the moving mesh is correct?

I’m trying to reproduce the acousto-optic coupling simulation in the paper Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering. LNOI(lithium niobate on insulator) is...

13 August 2024 9,795 0 View

Why does my protein refolded to beta sheet during thermal denaturation analysis?

Hi! So i attempted to understand a novel protein behavior towards heat application by analyzing its secondary structure change. I subjected the protein to a thermal denaturation analysis using...

06 August 2024 1,989 3 View

The Optimal Experimental Approach for Gene Function Analysis?

What is the most suitable experimental setting to understand the consequences of a particular gene: (1) targeted degradation of the specific transcription factor (TF) of the gene, followed by...

04 August 2024 6,265 1 View

Can a Conventional 50W visible LED Lamp Emit UV Light?

I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....

31 July 2024 3,843 7 View

Expansion thermal of muscle ?

What is the thermal expansion coefficient of human muscle?

27 July 2024 7,190 0 View

How should we increase the quality of RNA extraction?

I’m having difficulty achieving high RNA integrity in my samples. Although the 260/280 and 260/230 ratios are satisfactory after RNA extraction, the RNA samples show signs of degradation when...

22 July 2024 155 4 View

Does democracy have a nonlinear effect on state capacity?

Some research indicates that the fist steps toward democratization of an authoritarian regime actually lowers state capacity. How strong is the evidence for this hypothesis?

14 July 2024 8,239 3 View

How can I extract glycosides from mangrove leaf samples without an incubator that can reach temperatures above 60°C?

I want to extract glycosides from my mangrove leaf samples, but my laboratory lacks an incubator capable of reaching temperatures above 60°C. The paper I am following specifies a minimum...

13 July 2024 3,686 0 View

How to introduce on fluent the optical loss of the wall due to the reflection of the plate towards the environment ?

"When solar irradiation reaches a surface, some of it is absorbed while the rest is reflected. Part of the light absorbed by the surface transforms into heat and increases the module's...

13 July 2024 8,621 5 View

Why am I seeing only one initial maximum in torque-time curves for the fusion of PVC in a Brabender?

We're studying the stability and fusion behavior of multiple PVC compounds in a Brabender. After a few trials, we set the temperature at 195 °C and the rotor speed at 70 rpm. Samples differ in...

12 July 2024 2,768 1 View

Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data. Agree & close