12 Questions 32 Answers 0 Followers
Questions related from Anatoly A Khripov
Dear Sirs, The setup for the dispersion measurement is as follows. Hg lamp, collimator, goniometer with triangular prism. We measure the light dispersion using the prism. To do so we determine...
26 October 2019 2,710 8 View
Dear Sirs, I can not find the info about the number of bending cycles or similar parameters for electrical parameters change for flexible printed circuit board (pcb) with teflon/ptfe substrate....
23 February 2019 9,482 9 View
A human is an ability to eat, to walk, to memorize, to think, to rightly express your moods. Then he goes to work as electrician, musician, physicicist, physician, etc. All these human activity...
24 August 2017 5,058 11 View
Self-made RF receiver coil is hard to connect and match to clinical MR scanner due to many reasons. Can I do the workaround? I use manufacturer`s coil,e.g. small disc-shape receiver coil and...
06 August 2017 2,311 6 View
MR image brightness very depends on relaxation time value. Relaxation time hugely depends on temperature. So the way to improve the contrast is to heat up or down a human tissue investigated in MR...
02 August 2017 9,234 6 View
What moves us? It seems to me the key question I ask. Billion years created very complex biological creatures in air, land, in sea. This evolution has some laws and rules. Is this "ancient...
17 May 2017 9,300 4 View
Dear Sirs, I know the works by Mitra (surface to volume ratio in porous media) on diffusion coefficient dependence on short times. See P. P. Mitra, P. N. Sen, L. M. Schwartz, Short-time behavior...
19 September 2016 7,413 5 View
Dear Sirs, I did not find this material on the internet. There are only mechanical models of some aspects of self-replication. Full mechanical model is absent. Of course it is enourmous problem...
01 January 1970 9,611 4 View
Dear Sirs, The 1st law in Newton`s principia are now understood as two statements: the determination of inertial frame reference (if F=0 then a=0 and if F is not equal 0 then there is some body...
01 January 1970 599 33 View
Dear Sirs, I would like to find out more precisely whether the 2nd Newton law is valid or not in wide range of masses, accelerations, forces. Particulary I have a question whether the inertial...
01 January 1970 6,221 13 View
Dear Sirs, 1, 2, 3 laws of Newtons need closed system (net force is zero). How do we practically realize, create such closed system? One example. Let us look at a body motion. One can say If...
01 January 1970 1,087 2 View
Could you give references on mass measurement from the 3rd law (with different forces: gravitational, elastic, etc)? E.g. old articles by Saint-Venant.
01 January 1970 1,074 2 View