Connectivity

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Hi, Is there any way I can remove bubbles from water?

I am working on Casimir and Double layer force in liquid(water) by AFM, but many bubbles appear after injection of water into the AFM tip holder, I am not able to remove air bubbles from the...

18 July 2022 3,084 8 View

Please can someone identify this specie of phytoplankton?

I wonder if it's a cell of Lioloma sp. The sampling area is very agitated. Marine water Temperature is ranging between 18 and 23°C, Salinity between 37 and 38‰‰. Observation with a 20µm objective...

15 July 2022 1,594 0 View

What are the best and most effective methods to optimize the supply chain management in construction industry nowadays?

Most effective methods to optimize the supply chain management in construction industry

13 July 2022 3,954 3 View

How to get rid of high mitochondrial (?) autofluorescence during live cell imaging?

Dear all, Recently I’ve been having a lot of issues with super high autofluorescence during live cell imaging (of what seems to be mitochondria). I have added a photo of what I mean. the problems...

07 July 2022 1,654 2 View

Which motor should I use for my PhD thesis on?

I want to focus on electric vehicle motor design in my thesis. There are many types of motors made in this field in the sector. My aim is to address a less studied type of motor. My studies will...

07 July 2022 2,409 4 View

Can we do factor analysis for scale constructed with vignette questions with one right option (Non likert scale)?

Dear researchers, Please help me with the following question. Can we conduct a factor analysis (EFA or CFA) for a scale that measures problem solving, decision making kind of...

06 July 2022 7,882 3 View

What are the top biotechnology companies for purchasing RNA interference products and how to select the best siRNA for silencing my gene of interest?

I want to purchase a pre designed siRNA to silence my gene. So, by searching websites of companies such as Thermofisher, I have found a list of 10 siRNAs for my gene of interest. They differ in...

05 July 2022 5,614 4 View

Is there a slowly varying function $L(.)$ with given properties?

I am looking for a slowly varying function $L(.)$ such that the function $f(s)=s+(1-s)^2L\left( \frac{1}{1-s}\right)$ is a probability generating function with $f'(1)=1$ and $f''(1)=\infty$. I...

03 July 2022 6,115 1 View

Frequency deviation in microgrids problems?

Hello evryone. Please I want to know how regulate de frequency deviation in microgrid, and also how to do to make a firt order transfert function which are used to estimate the sources like PV,...

02 July 2022 8,867 2 View

What should i use to reduce Iodine (I2) other than sodium thiosulfate?

Hello! Currently I synthesized flavone from chalcone through cyclisation process by using iodine. Usually, I used sodium thiosulfate to reduce the excess iodine but now i lack of it. May i know...

30 June 2022 1,963 1 View

What if sonication doesn't work?

Hello I am struggling to do membrane protein purification for a while now. I am thinking that sonication might be a problem, the sonicator we have isn't great. Instead I tried re suspending it in...

30 June 2022 785 2 View

What is the ideal behavior of a stochastic optimization algorithm under multiple runs?

I am using a stochastic optimization algorithm to find the optimal size of hybrid renewable energy system based on Total Net Present Cost of the system. Details of Optimization Problem are as...

29 June 2022 872 0 View

What the benefit of fatty acid analysis with GC-MS/MS over GC-MS?

I am applying for an equipment grant. In the past we've always worked with GC-FID and GC-MS but the equipment is out of date and needs to be replaced (struggling to find machine parts and support...

27 June 2022 4,560 4 View

Why does a liquid solidify when taken into a capillary tube?

One of my compounds, after synthesis, was washed with methanol. When I tried to spot it on a TLC plate, the methanol part (which had some residues in it) solidified/formed a precipitate in the...

25 June 2022 4,181 1 View

Permittimity behavior of pure nematic liqiuid crystal?

Dear friends, As I introduced before, I am a researcher in the field of electrical and magnetic properties of composites including magnetic nanoparticles and liquid crystals, and now I have a...

24 June 2022 9,691 0 View

What is differential absorbance?

How do we get a differential absorbance and can we find the differential spectra from UV plot?

23 June 2022 4,512 0 View

How to prepare a ultraclean surface before doing ALD?

I am coating Al2O3(TMA precursor, 100nm) on Ag(lift off using LOR, 100nm Ag on 1um SiO2), the patterned Ag looks clean after lift off (both under SEM and dark mode OM), but the surface get stained...

21 June 2022 4,241 5 View

How does human migration affect the spread of pandemics?

People migrate for many reasons. These reasons can be classified as economic, social, political or environmental: economic migration - moving to find a job or following a certain career...

20 June 2022 9,667 3 View

Minimum inductance to be connected between Grid and Grid tied Inverter?

We are working on a grid tied inverter(10kW, 415V line, 16A) according to selected switching frequency (50kHz), the calculated inductance and capacitance value for LCL filter to be 340uH, 10uF,...

20 June 2022 1,471 0 View

How to calculate the mean value of multiple large rasters in python/arcpy?

After having converted the original monthly MOD13C2 product (from year 2000-2020) to raster format, now I have to calculate the mean value of the 251 rasters. First I have tried this tutorial...

18 June 2022 826 0 View

Are Intelligent Reflecting Surfaces (IRS) Economically feasible for future wireless deployments?

Intelligent Reflecting Surfaces (IRS) or Reconfigurable Intelligent Surfaces (RIS) or whatever their name is, are being discussed in the literature for years now as a great way to control the...

14 June 2022 5,895 7 View

How to acquire per pixel solar and sensor angles for LISS III or AWiFS?

I have downloaded LISS III (ResourceSat 1) image from Bhuvan website. There are no associated angle (solar and sensor) files (which is unsurprising) with it. In fact, the metadata file also has no...

13 June 2022 2,852 0 View

How to extract relative permittivity and conductivity from S11?

We have measured S11 of biological tissues using slim form open ended coaxial probe. I know Keysight software does this automatically, but if we suppose to calculate relative permittivity and...

13 June 2022 2,331 4 View

How can i plot this collorful plot by partial discharge data?

clear; data=xlsread('14-5.xls'); X=data(:,3); Y=data(:,2); %Z = peaks(X); %[X,Y] = meshgrid(data(:,1),data(:,2)); %Z = sin(X) + cos(Y); figure; hold on; %surfl(Z) %colormap(pink) % change color...

12 June 2022 6,136 0 View

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