In the present study crystallographic data are used together with the results of spectroscopic, kinetic, and computational techniques (1) to discuss conformational flexibility and preferences of Ph-X-Ph [X=CH 2 , C(CR n ) 2 ( n =2, 3), C=0, NH, NR (R=C, N), O, S, SO 2 ]...
they don not migrate in a long-distance, results in induced opposite charges on the surface, which can be seen that the external electric field convert electrical energy and stored in the material, and they can release some electrical energy under a certain condition (removal of the external ...
> what's supposed to happen: it is expected that the caller > will take care of sanitizing the results of ReplaceSubstructs > if they need them sanitized. The chemical reaction code behaves > similarly. > > > This seems like a rough edge that's caught a few people > and should be s...
when the market was still a little quiet, Tmall Global's overseas investment promotion group had gone through three months of preparation, and took the lead in setting out to visit and exchange around the world and capture business opportunities. In terms of reaction speed and determination...
Of course, this is cheap crap from China, so I was also curious where the corners had been cut to make it cheap. I assumed I wasn’t getting four motors, four encoders, and a closed loop controller, but what I got is kind of interesting. ...