All vinyl polymers may be regarded as built from monomeric units containing a tertiary carbon atom. Download Download Share on Facebook Share on Twitter Rotate quotes atom build carbon
If the polymer chain assumes a helicoidal conformation in the crystalline state, and if it does not contain asymmetric carbon atoms, it can be expected that either helices of the same sense, or, in equal ratio, helices of opposite sense are represented in the lattice. Giulio Natta assumeasymmetricatom share on social
In view of the experience I had acquired in the field of chemical industry, certain Italian government and industrial bodies entrusted me in 1938 with the task of instituting research and development studies on the production of synthetic rubber in Italy. Giulio Natta acquirebodychemical share on social
If the chain symmetry is maintained in the crystal lattice, the possible occurrence of different space groups is considerably restricted. Giulio Natta chainconsiderablycrystal Change image and share on social
Though builders may build, in the main they follow the plans of architects. Teachers teach, but they must have a text. Politicians govern, but only upon the flow of commentary that raises them up or casts them down. Mark Helprin architectbuildbuilder share on social
The atoms become like a moth, seeking out the region of higher laser intensity. Steven Chu atomhighintensity Change image and share on social
A lot of the bikes are carbon wheels now, and you don't have as good a braking surface on a carbon wheel in the wet weather as you do on the old aluminium rims. Bradley Wiggins aluminiumbikebrake Change image and share on social