Define photonegative. photonegative synonyms, photonegative pronunciation, photonegative translation, English dictionary definition of photonegative. adj. Biology Tending to move away from light. American Heritage® Dictionary of the English Language,
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Dependences of photodecay of a negative ion exposed to ultrashort electromagnetic pulses on pulse duration and its carrier frequency (for a Gaussian envelope) are theoretically investigated, and the energy spectrum of emitted photoelectrons is analyzed. Calculation is performed within the framework of ...
They are very attractive since the number of processing steps is reduced by avoiding the use of classical photo resists. M Ueda,T Nakayama - 《Polymer Preprints》 被引量: 61发表: 1996年 Low-CTE photosensitive polyimide based on semialicyclic poly(amic acid) and photobase generator A negative-...
We have recorded the photoelectron spectra of the gas phase negative ions N2O− and (N2O)2− both of which were prepared in a nozzle ion source. The shift between the maxima of the two spectra is interpreted in terms of the dissociation energy of the dimer ion.DOI...
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Because there are usually so few elements in a photo, they all have to carry a lot of weight—that means you need to execute each aspect well. Each aspect must be executed well. “You have to know what you have is very strong,” says Milne. “It might seem like it’s overly simple...
The rights granted herein are provided on an as-is basis without warranty of any kind, including warranty of title or noninfringement. Nothing in this license shall be construed as (a) requiring the maintenance of any patent, (b) a warranty or representation as to the validity or scope of...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook negative polarity Acronyms Wikipedia n (Grammar)grammarthe grammatical character of a word or phrase, such aseverorany,that may normally be used only in a semantically or syntactically negative or interrogative con...
Negative ion photoelectron (NIPE) spectra of the radical anion of meta-benzoquinone (MBQ, m-OC<sub>6</sub>H<sub>4</sub>O) have been obtained at 20 K, using both 355 and 266 nm lasers for electron photodetachment. The spectra show well-resolved peaks and complex spectral patterns. The...