7 Questions 16 Answers 0 Followers
Questions related from Sheng Zhou
As described in the title, a question for expert in the chemistry field. Is there any chemical reaction that happens when two solid object get into contact? For example, assuming we have a pure...
04 April 2019 2,130 4 View
In the 13C urea breath test in the diagnosis of Helicobacter pylori infection, Isotopically labelled CO2 is normally detected in breath using various methods. My question is will the CO2 also...
13 March 2018 8,350 6 View
By diffusion based gas sensors, I means gas sensors that don't require a pump to pump target gas to the sensing element, instead, target gas diffuse to the sensing element inside the sensor...
01 March 2018 6,483 13 View
We have made a high sensitivity gas detection sensor where the gas from environment diffuse into the measurement cell through a 30 um gap. How should I measure the response time of this sensor?...
27 February 2018 2,224 3 View
I read some paper they use the absorption line near 1.63um of Ethylene, but why I can't find this absorption line in the Hitran database?
23 August 2017 5,985 1 View
Anyone have any idea on how to harvest the acoustic energy from a line sound source? The line sound source is in small scale, maybe in a centimeter range, and the sound pressure is very small,...
10 October 2015 5,961 14 View
Hi Alejandrs, Do you use Acetylene reduction assay for nitrogen fixation measurements? If yes, do you think a sensor that can be placed close to the plants or the roots, and can measure Acetylene...
01 January 1970 7,364 2 View
