Monte Carlo simulation?

Hi, i am conducting a Monte Carlo simulation for my new distribution but the MSE values are increasing while the sample size increase, does any experience this issue before and what should i do...

22 February 2021 3,680 4 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

Are there any papers that deal with the effects of climate change on the pollination in Tropical orchids?

There are a few papers dealing with the effects of climate change on the pollination of European orchids, but I wonder if similar studies have been carried out in the Tropics.

04 February 2021 1,818 4 View

How to report path analysis / SEM with Yuan-Bentler correction from R output?

Dear all, I am currently writing my master thesis where I am analysizing my data using path analysis and SEM in R (lavaan package). Now that I like to write up my results, I am struggling with...

04 February 2021 8,993 2 View

Is there a way to get rid of TEA in a TLC plate in order to do proper staining?

Dear colleagues: I have been trying to establish a few HP-TLC methods in the lab. In general, for quantification purposes, I prefer CuSO4+acid charring, to primuline staining. Lately I have been...

20 January 2021 9,019 1 View

What is corrct way to define ports when simulating FSS and surface waves in CST?

I need to simulate a mushroom FSS and I'm struggling with the ports. What's the correct way to define them? Should I construct a proper SMA connectors, or is it enough to put a waveguide ports...

19 January 2021 6,590 4 View

Connection between Matlab and visual studio?

i am working in transfer of images between two computer . I don't know how to make connection between Matlab and visual studio . i used a visual basic for programming my controller. Can anyone...

31 December 2020 6,708 4 View

What are the inhibitors or chemicals which prevent the amplification of plant DNA? How they can be remove?

While doing amplification with Primers ( which already gave good amplification in same genus), it fails many time, eventhough the extraction has enough amont of DNA.

31 December 2020 5,649 4 View

What is holding back the computing power of modern computers..?

The last decade witnessed a tremendous use of computational power for various applications such as deep learning, MD simulations, and astrophysics. Is quantum computers really going to take the...

31 December 2020 1,396 2 View

Comparative STUDY: sample of sector A in 5 cities and sector B in whole country for ?

sector A sample is 313, and sector B sample is 200. If I take sector B population in the whole country then sample B's comes = 330 Q. Can I take sector A in 5 cities and sector B in the whole...

27 December 2020 6,930 2 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View

Have you ever experiencing air vent trouble in fermentation process?

Dear all, My research group is currently working with a 12-litre fermenter. Somehow, if we do the fermentation for more than 20 hours, the process will be more prone to contamination. Our current...

23 February 2021 1,908 2 View

Help with assigning pressure boundary conditions in FLUENT on a large structure?

Hello, I created a very tall tower (>1000m) and applied pressure boundary conditions at the inlet (bottom) and outlet (top) that correspond to the pressure are their relative altitudes....

22 February 2021 9,972 4 View

Blast analysis of RC,UHPC slabs using material model *MAT_72R3 in LS-DYNA?

20 February 2021 5,984 3 View

What type of pressure sensor are usually used in microfluidics?

My team is designing a dual channel microfluidic chip that runs air and water. I think we've decided on the NE1000 syringe pump for it's versatility and feedback control. We will be ordering the...

18 February 2021 9,928 2 View

Not able to charge-discharge Li-ion coin cell at higher C rate ?

I am working on cathode material. I have made different Li-ion coin cell against Li metal using commercial available cathode materials such as LCO,LMO, LFP and NMC and also with the lab...

18 February 2021 1,450 3 View

How to find the air side pressure drop in a spiral fin tube bundle cross flow heat exchanger?

How to find the air side pressure drop in a spiral fin cross flow heat exchanger? The pressure difference at the inlet and outlet is very low compared to the experimental results, which I...

18 February 2021 1,109 2 View

Is it correct to identify an air mouvement by the Venturi effect in buildings ?

Knowing that the Venturi effect is used most in tubes (according to my basic knowledge in physics) to increase the speed of air or liquids by reducing the tube volume, my question is if we have...

17 February 2021 1,260 1 View