| CHEMTREC | Chemical Transportation Emergency Center |
|---|---|
| CHESS | chemical shift selective |
| CHP | capillary hydrostatic pressure; charcoal hemoperfusion; Chemical Hygiene Plan; child psychiatry; com... |
| CIMS | chemical ionization mass spectrometry |
| CIS | carcinoma in situ; catheter-induced spasm; central inhibitory state; Chemical Information Service; c... |
| CS | chemical shift |
|---|---|
| CSA | chemical shift anisotropy |
| NCEs | new chemical entities |
| sympathectomy, chemical | Sympathectomy using chemicals (e.g., 6-hydroxydopamine or guanethidine) which selectively and reversibly destroy adrenergic nerve endings while leaving cholinergic nerve endings intact. (12 Dec 1998) |
|---|---|
| evolution, chemical | Chemical and physical transformation of the biogenic elements from their nucleosynthesis in stars to their incorporation and subsequent modification in planetary bodies and terrestrial biochemistry. It includes the mechanism of incorporation of biogenic elements into complex molecules and molecular systems, leading up to the origin of life. (12 Dec 1998) |