7 Questions 1 Answers 0 Followers
Questions related from Qun Ye
May I know why commercial sintering die attach paste is always based on silver? Why not other metals, such as copper and aluminum? Thanks.
19 March 2022 7,441 4 View
Hi, May I know what is the industrial process to coat copper wire with palladium in the production of PdCu wire? What is the process and what instruments are used? Please kindly advise. Thanks.
19 February 2022 790 5 View
How to measure moisture diffusion coefficient for plastic materials?
20 December 2021 5,876 3 View
Does light have a possible shortest limit of wavelength and a possible longest limit of wavelength? When the wavelength of light becomes very very short, i.e., infinitely short, or infinitely...
29 June 2021 9,306 5 View
Dear expert, I have a technical question in mind: how to optimize a certain catalyst for a certain reaction? What are the general points to consider when one is to optimize a catalyst? Is there...
25 March 2021 8,142 4 View
Dear expert, I have this question about optimizing the catalyst to enhance the reactivity of mCPBA. The catalyst will coordinate to mCPBA to enhance its reactivity. So how to enhance the...
25 March 2021 9,676 4 View
When I tried to mix a sodium metabisulfite solution with sodium hydroxide solution, the mixture solution quickly became turbid. Before mixing both were clear solutions. Please help explain the...
04 February 2021 8,329 2 View