Is there a way to use waveguide ports for circular antenna design in CST?

Hi, whenever i use circular array i get this error "Waveguide ports must be aligned with Cartesian coordinate planes for the transient solver" Does anyone use circular array with waveguide ports?...

09 February 2021 3,609 8 View

[JAVA]How to fix exception in thread error when using array of objects?

I am doing atm gui for my project in java. In my opinion using array of objects is the best option to store customer data. When i try to access it in an ActionListener method, i get this error:...

06 January 2021 6,975 4 View

How to simulate circular array of antennas in CST?

02 January 2021 7,530 6 View

How can i measure Qmax values of methylene blue adsoprtion correctly?

Hi everyone, I am studying on the adsorption of methylene blue using inorganic based adsorbents. As a result of my study, although the amount of adsorbed dye is approximately 95%, I found that the...

09 September 2020 7,644 4 View

How to understand if CPU is thorttling back?

Hello everyone, When I have tried to solve quick example on Ansys, iterations took too much time and I think my CPU behaved strangely. The frequency is stable but the CPU %use is waving between...

16 March 2019 7,055 3 View

How to prevent carbon cloth/carbon fabric from fraying?

Carbon cloth/carbon fabrics may expose to washing, mixing, hydrothermal and/or high temprature treatments and and consequently they fraying easily. How can i prevent them fraying? Or is there...

19 December 2018 7,083 4 View

Does the ambient temperature (temperature of the lab) affect HPLC operation?

HPLC that I am working with operates in a laboratory which doesn't have any air conditioner and thus, at a temperature of 31 degrees Celsius. Besides, the equipment is exposed to direct sunlight...

30 August 2018 5,086 6 View

Anybody used MethylEdge Bisulfite Conversion System, Promega?

05 December 2016 407 1 View

What are the factors affecting the adhesion strength between metal/oxide and metal/nitride layers?

Microstructure, roughness, the enthalpy of formation of an oxide compared to the adjacent layer are some of the factors affecting the adhesion strength. Is there a specific variable for...

25 September 2014 549 7 View

Is anybody familiar with water removal from nanoporous thin films in the glovebox (N2) by heating? The H2O and O2 content is <1 ppm? The min T needed?

I assume it should be less than in ambient conditions. Since glovebox atmosphere contains trace amounts of O2 and H2O, thermodynamically the temperature needed to evaporate H2O should be less. Do...

21 February 2013 5,731 5 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 6 View

IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 View