نتایج جستجو برای: microfilm
تعداد نتایج: 310 فیلتر نتایج به سال:
57. S.S.R., R 38. 9.10.1860. 58. Singapore Free Press, 24.1.1861. Microfilm. National Library, Singapore. 59. S.S.R., X 21. 23.1.1861. 60. Singapore Free Press, 28.2.1861. Microfilm. National Library, Singapore. 61. S.S.R., X 21. 2.2.1861. 62. S.S.R., W 38. 23.5.1861. 63. S.S.R., W 39. 15.7.1861. 64. S.S.R., W 41. 15.1.1862. 65. S.S.R., W 42. 15.4.1862. 66. S.S.R., W 42. 30.4.1862. 67. S.S.R., ...
Online content-searchable databases of music scores, unlike text databases, are extremely rare. The main reasons are the cost of digitization, the inaccessibility of original music scores and manuscripts, and the lack of sophisticated music recognition software. The proposed research seeks to circumvent these difficulties by investigating the feasibility of using existing microfilms for digitiz...
Digital data storage on microfilm is a promising alternative for long-term storage of digital data. Its estimated lifetime of up to 500 years and the availability of reading devices allow entirely new migration-free storage concepts. This paper presents investigations on the suitability of color microfilm as a medium for digital data storage being an alternative to conventional black-and-white ...
The effective level of line formation for spectroscopic absorption lines has long been regarded as a useful parameter for determining average atmospheric values of the quantities involved in line formation. The identity of this parameter has recently been disputed. Here we re-establish the dependence of this parameter on the average depth where photons are absorbed in a semi-infinite atmosphere...
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