Hi i want to ask that in order to find out LC 50 (96 hours) of particular toxin for fish. Should we keep the animals with food or without food?

if we expose the fish after acclimatization to particular toxin in order to find out LC 50 (96 hours).Should we keep the fish off feed or with feed for that duration. Some literature show that...

24 February 2021 357 2 View

How COVID-19 has affected mental health?

The pandemic has led to depression and anxiety and its negative effects shouldn't be ignored. However, it has also led some people to become more resilient! What do you think? Thank you.

21 February 2021 4,733 19 View

Is There are any idea to achieve H NMR signals for swollen compound ??

the samples are not completely soluble - just swelled the solvents that's mean the sample may be partially soluble any suggestion, please

16 February 2021 8,801 3 View

Can anyone name this graph type?

I've attached a recreation of this graph type that I need to make for study reports. The clients have sent them to us in the past, but I am trying to make the reporting process more streamlined,...

15 February 2021 9,795 3 View

Pseudo random number generator in Matlab code ?

i want to implement pseudo random number generator in matlab ...i request to every one if someone have code these PRNG share with me SplitMix Permuted Congruential Generator (PCG) Random...

14 February 2021 6,828 7 View

Please ,How can I correct this kind of error?

27 January 2021 4,815 5 View

What are the standard parameter values of the commonly used classifiers?

What are the standard parameter values of the commonly used classifiers such as Support-vector machine, k-nearest neighbors, Decision tree, Random forest?

06 January 2021 6,940 7 View

PDF of a Book?

Can anyone provide me the PDF for Distributed Energy Resources in Microgrids (Integration, Challenges and Optimization)?It would be really helpful

27 December 2020 8,015 3 View

Simulation of Smart Grid?

Somepne please help me where to learn the simulation of Smart Grid on YouTube or other bookr esources?

22 December 2020 421 3 View

Doping of r-GO?

if the percentage of doping Au into rGO is too small 1~10%, is it not enough to prevent restacking of r-GO in xrd results, rGO peak appeared at 22.2 and also the peaks of gold nanoparticles so...

21 December 2020 6,091 3 View

Nano Ice films sublimate due to low dose beam and annealing under vacuum? which one is more likely dominant?

An ice film sublimates under a severe vacuum pressure and a low does of electron beam. when the sample is in-situ annealed the sublimation rate significantly induced. In an isobaric process,...

06 November 2020 7,576 2 View

Can chlorine be used as dopant in mixed halide perovskite material?

I have been in discussion with my colleague about the fabrication of PSCs with CH3NH3PbI3-xClx absorber material and there is a claim that chlorine dopant sublimes during annealing. If anyone has...

25 May 2020 1,079 4 View

How to mix essential oils with sublimated materials?

I want Mixing an aromatic oil with a sublimation materials that allows the oil to gradually penetrate for the longest period to control insect in lab condition

08 December 2019 6,649 1 View

Is it possible for historical writing to be free from perspective?

Looking forward to hear your perspectives.

08 September 2019 7,253 2 View

How to purify organic compound?

Both recrystallization and sublimation have been tried, and i took the Mass Spectra after the aforementioned purification methods, the molecular weight is right and from the Mass Spectra i can...

02 September 2019 7,453 5 View

How does sublimation temperature change in Ultra-High Vacuum?

We have a molecule that we are thinking of annealing/depositing onto a substrate in ultra-high vacuum (UHV). From our past experience, we know that the molecule sublimates around 90C at 10mtorr....

16 July 2019 1,784 4 View

Why do H2O and CO2 have a special size to boiling point ratio?

I compare the diffusion coefficients of different substances in polymers. While D in glassy polymers tend to correlate better with the kinetic diameter (size dominates), rubberlike polymers tend...

10 July 2019 354 3 View

How does sublimation temperature change in Ultra-High Vacuum?

We have a molecule that we are thinking of annealing/depositing onto a substrate in ultra-high vacuum (UHV). From our past experience, we know that the molecule sublimates around 90C at 10mtorr....

06 July 2019 7,731 4 View

Why do H2O and CO2 have a special size to boiling point ratio?

I compare the diffusion coefficients of different substances in polymers. While D in glassy polymers tend to correlate better with the kinetic diameter (size dominates), rubberlike polymers tend...

06 July 2019 2,954 4 View

Use pure Ti rods (99.6%) to make TSP filaments?

In titanium sublimation pump (TSP), companies usually use an alloy of Ti 85% - Mo15% to produce the filaments. Instead, can we use pure Ti to make the filaments with the same diameter?

23 June 2019 8,954 8 View