... Trade name: Zinc selenide . ... Employers should use this information only as a supplement to other information gathered by them, and should make independent judgement of suitability of this information to ensure proper use and protect the health and safety of employees. This information is furnished without warranty, and any use of the product not in conformance with this Material Safety Data Sheet, or in combination with any other product or process, is the responsibility of the user. ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

This module provides an environment variable with a unique identifier for each request. ... The unique identifier is even unique across multiple machines in a properly configured cluster of machines. ... On Unix machines, Apache creates several children, the children process requests one at a time. ... To distinguish time we will use a Unix timestamp (seconds since January 1, 1970 UTC), and a 16-bit counter. ... The actual ordering of the encoding is: time stamp, IP address, pid, counter. ...

... Conditions of Employment, ( SGW to CJB ) 14 Mar 1983 ( 1pp ), Draft Statement of Main Conditions etc with Salary Scales (4pp), (ADA, CJB , PBB and JGD to SGW ) regretting that the Astronomers cannot accept the new draft and wish to remain on their previously existing conditions of employment, 28 Mar 1983 ( 1pp ), (MDG to Wolsey) 18 Mar 1983 ( 1pp ), Copy of CoE 14 Apr 1983 ( 2pp ), Suggested alterations to CoE from staff 18 ... 16 Apr 1991 (1pp), Memo. ...

... As modern observatories evolve to production units delivering data products and calibrated scientific data to the end users, new challenges arise in assessing the quality of data products. ... Taking the analogy of speed control on a motorway we can describe the system as a device (radar) collecting measurements of the system performance (passing cars). ... One of the direct applications of quality control is the verification of instrument performance based on the analysis of calibration exposures. ...

... Planets . ... The planets were found using the HARPS instrument on the 3.6m telescope at ESOтАЩs La Silla Observatory. ... A planet in orbit around a star causes the star to regularly move towards and away from observers on Earth. ... One newly discovered planet, HD 85512 b, is best hope found so far for a habitable exoplanet. ... The HARPS team so far have found that about 40% of stars similar to own Sun have at least one planet smaller than Saturn (which is 95 times more massive than Earth). ...

... Пластиковый соединитель FIT применяется для быстрого и надежного соединения шланга 3/4" с любой насадкой поливочной системы. ... особенности музыкального проектора chicco первые грезы: новый проектор для создания волшебной атмосферы во время nbsp ; сна. зная nbsp ; предпочтения nbsp ; своих nbsp ; малышей, nbsp ; вы сами выбираете nbsp ; nbsp ; классические nbsp ; nbsp ; мелодии nbsp ; nbsp ; и nbsp ; проецирование изображений звезд, которые помогают малышам уснуть. музыка nbsp ; баха ...

... Telescopes . ... Fig. ... Theoretical optical resolving power of the MSS, depending on the phases of the moon under typical weather conditions. ... The optical resolving power of the telescope with the MSS allows to observe stars of up to the 12 magnitude. ... Currently, more than 90% of observational time with the MSS spectrograph is used in the spectropolarimeter mode with a diffraction grating 24.7њ. ... wide spectral region with a reciprocal linear dispersion of 9 ?/mm (0.1215 ?/pix) at a time. ...