How can I simultaneously recognize unknown patterns and variables from a given data set?

20 January 2021 6,385 3 View

What is the difference between "pesticides" and "insecticides"? Are they same?

What is the difference between "pesticides" and "insecticides" in English? Are they the equivalent replacement when used in text? I am an ecological researcher who particularly concerns the...

04 January 2021 6,230 37 View

Viscosity of CsPbI2Br inorganic perovskite solution?

I am trying to fabricate the CsPbI2Br-based inorganic PSC. I used the solution with a concentration of 1.2M following some papers, but I found that the viscosity of the solution is really high....

20 October 2020 6,167 2 View

How to extract membrane protein of platelet ?

I would like to extract membrane proteins of platelets, but I can't find more detailed protocols. How should I extract without a commercial kit?

25 September 2020 1,165 3 View

How can i control the hourglass in lsdyna for ceramic materials?

I am working on ballistic simulation. The first issue is how can i control hourglass for ceramic materials. Because if hourglass exceeded 10% of internal energy, the simulation will be...

11 May 2020 7,494 2 View

Using fixed independent variable across time period?

Hello I'm working on a research on The effect of certain demographic information, Say population density, on people's response at different stage of Covid 19 pandemic. Now the problem is, the...

11 May 2020 7,462 4 View

Is actin or any other housekeeping proteins a suitable loading control in WB in the sequential extraction samples?

Hello guys, I am recently doing WB to detect soluble and insoluble species of a protein using sequential extraction. I have a question about the loading control. Generally, we use...

09 October 2018 6,837 2 View

Why the ZnO I grinded photodegrade slower than bulk?

These days, I do dye degradation experiment. I use mortar and pestle to grind bulk ZnO 10 min, the powders turn yellow. Then use that powder to do dye degradation, why it degrades slower than...

05 August 2018 1,769 4 View

Genomic contamination in RNA extraction with PicoPure RNA extraction kit and Purelink DNase set?

I am working on a project to measure the gene expression on rare cells with a white blood cell background by using the digital PCR technique. The first thing is I need to make sure the tested gene...

21 September 2017 2,012 1 View

How can I idetify the organisms from nitrifying, ammonifying and denitrifying bacteria in lacustrine sedimentary organic matter?

05 November 2016 5,180 3 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

Which period is considered as study period in research?

Is that starting from proposal development to result writeup or just from data collection to result writeup and reporting (publishing)?

28 February 2021 910 2 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

Is there any limitation of number of variables when doing Panel Data ARDL model analysis in Stata 13.0 version?

I have one dependent variable (HDI) and 14 independent variables within the time period 1990 to 2016. when I run the command (xtpmg.............pmg) the answer is *matsize too small* then I...

23 February 2021 9,448 5 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

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