24 Questions 21 Answers 0 Followers
Questions related from Fushan Zhou
Allow me ask possibly one dumb question. If it proves to be dumb. The world is one dumb question less, which is good. When design or selecting gears, we want the numbers of teeth of two mutually...
25 June 2023 9,678 0 View
Hydrogen embrittlement is a serious issue. Hydrogen can induce damage to metals and alloys, such as blistering, hydrogen embrittlement, cracking, hydrogen attack. In high strength materials such...
10 May 2023 9,324 4 View
At an intermediate step to make ceramic powders or nanofibers, mullite or boehmite in the forms of sol or gel have to be prepared. Can anybody suggest the most economical, therefore the most...
22 September 2022 2,794 0 View
Could anybody tell me the name for acoustic counterpart of RFID? Any references on that? Thank you!
04 June 2022 4,506 3 View
I think the question is quite obvious. I search everywhere and could get a clue on that.
02 June 2022 2,777 1 View
How long can a super-long molecule be? I know DNAs and proteins are pretty long molecules. From my knowledge, A stretched DNA can go as long as few meters? Monofilament silk and polymers can go...
15 November 2021 720 3 View
Despite being the tool of surging interest in recent years, there is a huge gap between lab experimentation regarding electrospinning and its industrial impact, because of the obstacles...
30 October 2021 1,963 0 View
Can anyone recommend some references on the capillary effect and wettability regarding electrolyte in batteries? Definitely I feel that the two are related, but I had a hard time to find some good...
12 August 2021 3,482 2 View
Anodes and cathodes are both intercalation materials with no ions are first made, and then ions are introduced by doping/ion implantation? Is it possible? For those who are familiar with similar...
19 July 2021 3,947 2 View
Regarding the cylindrical cells, I was wondering why the 18650 type is preferred? I was told that there is a problem if one increases the height of a cylindrical cell. Basically, because of...
19 July 2021 8,342 0 View
Let's say a normal absorbing polarizer. I was baffled by this for quite a while. I found a paper, but I didn't look quite convincing to me. I need paper that nails this.
09 June 2020 4,721 0 View
Dear all, What is the typical equipment to measure fitration efficiency of thin films in lab? How about this type of characterization in industry?
19 November 2019 4,197 0 View
Is there any possibility that nanofibrious materials can be inhaled and end up in the respiratory system if the person who is conducting experiments on electrospinning of nanofibrious materials,...
19 November 2019 727 3 View
We used to use SEM to characterize the samples prepared by us. In order to do this, we have to send our samples to somebody, get characterized, and let them send back. This takes weeks. To...
15 November 2019 3,692 3 View
I need a device that can detect either viscosity or concentration of a polymer solution used in mass production, which excludes many approaches appropriate only for lab experiments. If possible, I...
10 October 2019 8,234 5 View
I haven't been following up the progress in this. First of all, I don't know transparent displays are based which of the existing technologies. Is it LCD? OLED, E-ink? or something else? Let's...
05 June 2016 134 3 View
I want polymers be directly dissolved in liquid crystals (no polymerization involved). Any ideas?
03 May 2016 8,276 3 View
I'd like to make interwoven polymer networks.
17 February 2016 229 2 View
As far as I know, the largest tilt angle achieved is about 30 degrees. Consider two rode-like neighboring molecules, with no-uniform charge distribution (of course, overall the molecules are...
01 February 2016 8,199 1 View
A lot of processes are evolved in Electrospinning, such as evaporation of the solvent. Currently, parameters are chosen emprically. So one of the question is how to make electrospinning more...
01 January 1970 5,305 4 View
This is just a conceptual suggestion. In traveling wave tubes, there is coupling between the electrons and a slow wave structure. I wonder if similar coupling effect can be constructed between...
01 January 1970 3,202 2 View
You might think this is a trivial question. I have read some articles on this topic, and I know there is a surging interest on this topic recently. A lot of researchers, particularly scientists...
01 January 1970 8,913 0 View
Sound boom happens when the speed of of a flying object exceeds that of the sound traveling in air. It's not easy to generate such a linear speed. However, this can be relatively easily generated...
01 January 1970 1,339 1 View
Why chalks typically break into three pieces when dropped from a sufficient height? Why spaghetti also break into more than two pieces, typically three? I read some papers, but those only made me...
01 January 1970 6,647 0 View