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Questions related to Mass
Dear Colleagues, Please give me a hint how to expand the process window of laser paint etching on painted plastic parts? The task is to reduce the sensitivity of the laser process to variations in...
28 October 2022 5,765 2 View
I usually just calibrate in the 300 to 1800 amu range in Positive Ion mode, and mostly run samples in Positve Ion mode. Sometimes I will double check a result in negative ion mode but get...
18 October 2022 6,596 5 View
I do not find many astrophysicists and cosmologists engaging themselves with the question of the probable origin or origins of the cosmos. Even when a work is purportedly to be on this theme, the...
14 October 2022 512 93 View
Hi, I have few photochromic powder in crystal, and some of them are photochromic, some are not. I want to correlate the photochromicity with the way of crystal packing. Therefore, I ran a...
10 October 2022 5,448 0 View
I was going through properties of refrigerant R134a ,from different sources ,I found at the same saturation pressure and temperature ,enthalpy and other parameters were varying too much in the two...
04 October 2022 1,127 4 View
Hello Can anyone help me how to read nitrate absorption by crosslinked pva nanofibers in uv-visible? The nanofibers prepared by crosslinking glutaraldehyde, however, the absorption value at 220...
21 September 2022 443 1 View
STL or OBJ file will be perfect. its for reconstructing the only skull found in Africa, for the university of Casablanca, i have the skull but the lower jaw is missing. thanks.
14 September 2022 7,945 0 View
I have read a few papers where the O 1s energy loss was used determine the band gap of the material. However, will the measured band gap be electrical or optical band gap of the material?
06 September 2022 6,513 4 View
I tried contacting the authors but didn’t manage to reach them. Pfeiffer et al describes transfer of a constant velocity: …the block accelerates away from the beam source while it is traversed by...
04 August 2022 6,331 0 View
Is it possible the chelation formation (complexation) reaction between boric acid (H3BO3) and calcium citrate (Ca3(C6H5O7)2).? If so; - How do I observe - How do I characterize - What is the ratio...
02 August 2022 8,168 0 View
How can we find the thread friction components and bearing surface friction components in bolts if we know the preload force in the bolts. Or how to find the pressure distribution at both the...
06 July 2022 2,569 0 View
I have been facing this problem for a while. The gold nanorods/nanoparticles and silver nanoparticles stick to the magnetic stirrer while stirring. The stirrers were cleaned with aqua regia, still...
17 June 2022 2,657 4 View
Thank you for taking your time, and its better if you can provide the reference paper.
10 June 2022 9,574 1 View
I am trying to simulate methane combustion in an industrial high-pressure gas turbine combustor using the species transport model in fluent with detailed GRI mech 3 mechanism but I get no...
30 May 2022 1,031 3 View
Core material : Paraffin wax Shell: Silica
11 May 2022 9,585 5 View
I am working in semiconductor domain. The graph between dark current and reverse voltage in pin photo diode passing through the origin, why? I am attaching a general graph for your reference....
27 April 2022 2,549 0 View
Serine-NH2 = ODsample - ODblank/ODstandard - ODblank* 0.9516 meqv/L *0.1 * 100/ X * P I am using the Nielsen method to determine the degree of hydrolysis in cheese sample. The question here is: X...
12 April 2022 1,921 0 View
The major focus is on Review Time and acceptability
26 February 2022 3,603 0 View
Can anyone help me to get standard mass spectral graph for estrogen and its compounds ?
17 February 2022 1,418 1 View
Suppose a particle mass is m=m_{0}[ 1+ i\beta x] where \beta
11 February 2022 2,597 25 View
Mass (m) becomes Energy (E) as E = mc^2. But if the speed of light depends on the density of vacuum space (dvs), it would impact the speed like this: 'the speed of photons' / 'the density of...
06 February 2022 6,362 11 View
Dear all, Im running an Inject & recover experiment on Biacore T200. I have a couple of different analytes to inject on sensor and then recover for mass spec analysis, each analyte to...
04 February 2022 5,041 3 View
In your opinion, what is the optimum medium for culture of A549?
02 February 2022 9,752 0 View
If qt increases with increased dosage, what could be the reasons? Secondly, how adsorbate mass affects qt?
27 January 2022 3,135 1 View