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X-RAY LASER [3 records]
Record 1 - internal organization data 2014-02-07
Record 1, English
Record 1, Subject field(s)
- Radiological Physics (Theory and Application)
Record 1, Main entry term, English
- X-ray microscopy
1, record 1, English, X%2Dray%20microscopy
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
High brightness, short pulse width(<200 picoseconds) x-ray lasers now offer biologists the possibility of high-resolution imaging of specimens in an aqueous environment without the blurring effects associated with natural motion or chemical erosion. As a step toward developing the capabilities of this type of x-ray microscopy, a tantalum x-ray laser at a 44. 83-angstrom wavelength was used together with an x-ray zone plate optic to image both unlabeled and selectively gold-labeled dried rat sperm nuclei. In the image, 500-angstrom features are clearly visible. This illustrates the importance of x-ray microscopy in determining chemical composition. X-ray microscopy also provides information about the uniformity of sperm chromatin organization and the extent of sperm chromatin hydration. 2, record 1, English, - X%2Dray%20microscopy
Record 1, French
Record 1, Domaine(s)
- Physique radiologique et applications
Record 1, Main entry term, French
- microscopie par rayons X
1, record 1, French, microscopie%20par%20rayons%20X
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
La microscopie par rayons X utilise des «X mous» d'une longueur d'onde comprise entre 1 et 10 nm. 1, record 1, French, - microscopie%20par%20rayons%20X
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Física radiológica (Teoría y aplicación)
Record 1, Main entry term, Spanish
- microscopía de rayos X
1, record 1, Spanish, microscop%C3%ADa%20de%20rayos%20X
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- microscopia de rayos X 2, record 1, Spanish, microscopia%20de%20rayos%20X
correct, feminine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
La microscopía de rayos X ha emergido como técnica para observar estructuras que no son accesibles con microscopía óptica convencional, y que tiene ventajas respecto a la microscopía electrónica debido a la mayor longitud de penetración y a la sensibilidad química de la radiación X. 2, record 1, Spanish, - microscop%C3%ADa%20de%20rayos%20X
Record 2 - internal organization data 2012-06-01
Record 2, English
Record 2, Subject field(s)
- Lasers and Masers
Record 2, Main entry term, English
- soft X-ray laser
1, record 2, English, soft%20X%2Dray%20laser
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
An average power of 1 mW at 46. 9 nm was generated by a discharge soft X-ray laser, and the first phase-matched HHG source has produced X-ray pulses with an energy of >0. 2 nJ per harmonic order at 1 Khz repetition rate. 2, record 2, English, - soft%20X%2Dray%20laser
Record 2, French
Record 2, Domaine(s)
- Masers et lasers
Record 2, Main entry term, French
- laser à rayons x mous
1, record 2, French, laser%20%C3%A0%20rayons%20x%20mous
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Laser dont la longueur d'onde est située entre 100 et 200 angströms. 2, record 2, French, - laser%20%C3%A0%20rayons%20x%20mous
Record number: 2, Textual support number: 1 CONT
Les rayons x mous ne sont pas fortement destructeurs, et un laser à rayons x mous serait l'instrument idéal pour l'observation de cellules vivantes à des fins biologiques et médicales. 3, record 2, French, - laser%20%C3%A0%20rayons%20x%20mous
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2010-12-07
Record 3, English
Record 3, Subject field(s)
- Atomic Physics
- Radiological Physics (Theory and Application)
Record 3, Main entry term, English
- synchrotron bunch clock
1, record 3, English, synchrotron%20bunch%20clock
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Laser to X-ray Timing Electronics. The time delay for laser-triggered X-ray experiments is continuously tunable from 100 ps [picoseconds] to 45 s [seconds] under software control. The high precision is obtained by slaving the chopper and laser to the synchrotron bunch clock of 352. 202 MHz [megahertz]. This is the radio frequency of the accelerating cavities of the ESRF [Installation Européenne de Rayonnement Synchrotron], storage ring. 1, record 3, English, - synchrotron%20bunch%20clock
Record 3, French
Record 3, Domaine(s)
- Physique atomique
- Physique radiologique et applications
Record 3, Main entry term, French
- horloge de paquet
1, record 3, French, horloge%20de%20paquet
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
La diffusion nucléaire résonnante est une spectroscopie résolue en temps à une échelle inférieure ou égale à la nanoseconde […] Tout le circuit d’acquisition en temps est basé sur le principe start-stop […] Un rayon X, qui est absorbé dans la photodiode à avalanche, fait démarrer une horloge (convertisseur temps-amplitude) qui sera stoppée par le signal RF [de radiofréquence] suivant du synchrotron. Ce signal RF est produit sur chaque paquet dans l’anneau de stockage par une «horloge de paquet». L’information temporelle est ensuite numérisée dans un convertisseur analogique-numérique (CAN) et stockée dans un analyseur multicanal. 1, record 3, French, - horloge%20de%20paquet
Record 3, Spanish
Record 3, Textual support, Spanish
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