Prospects for the mastery of space and the basic problems which must be solved in developing systems for both manned and cargo spacecraft are examined. The achievements and flaws of rocket boosters are discussed as well as the use of reusable spacecraft.
Chekalin, S. V., Grishin, S. D.
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Personalized Fuzzy Text Search Using Interest Prediction and Word Vectorization
, 2017 In this paper we study the personalized text search problem. The keyword based search method in conventional algorithms has a low efficiency in understanding users' intention since the semantic meaning, user profile, user interests are not always ...
Gao, Tianmeng +3 more
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Relación entre la Tasa de Intervención del Banco de la República y las Tasas del Mercado: Una Exploración Empírica [PDF]
En esta nota se reportan los resultados de un ánalisis empírico de la relación entre la tasa de intervención del Banco de la República con las tasas de interés del mercado.
Juan Manuel Julio
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Pathogenic, Molecular, and Immunological Properties of a Virus Associated with Sea Turtle Fibropapillomatosis. Phase II : Viral Pathogenesis and Development of Diagnostic Assays [PDF]
, 2000 Research conducted under this RWO from July 1, 1997 through June 30, 2000 has provided important new information about the pathogenesis, virology, and immunology of marine turtle fibropapillomatosis. In particular, we have provided strong evidence for
Bjorndal, Karen A. +8 more
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Comparative analysis of the designs and implementation of vehicles based on reactive propulsion proposed during the nineteenth and beginning of the twentieth centuries [PDF]
Examination of the presently known historical scientific literature related to the problem of reactive flight indicates that considerable attention had already been given to the idea of reactive propulsion in the nineteenth century; about thirty designs ...
Sokolskiy, V. N.
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Dual and multiple exchange rate systems in developing countries : some empirical evidence [PDF]
The authors examine the determinants of the parallel exchange rate for a cross-country sample of developing countries. The sample includes countries in which the parallel exchange rate is official (dual exchange rate systems) as well as those in which it
Ghei, Nita, Kiguel, Miguel A.
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Quality-Adjusted Prices for the American Automobile Industry: 1906-1940 [PDF]
We push the span of hedonic price calculations for automobiles backwards towards the industry's birth. Most of the real change that occurred between 1906 and 1982 occurred between 1906 and 1940.
Daniel M.G. Raff, Manuel Trajtenberg
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Overview of research progress on the association of dietary potassium intake with serum potassium and survival in hemodialysis patients, does dietary potassium restriction really benefit hemodialysis patients? [PDF]
Front Endocrinol (Lausanne), 2023 Sun Z +6 more
europepmc +1 more source
A Provably Correct Sampler for Probabilistic Programs [PDF]
, 2015 Hur, Chung-Kil +3 more
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Time evaluation and its accuracy in eating disorders: differences in relation to interoceptive awareness. [PDF]
Eat Weight Disord, 2022 Meneguzzo P +4 more
europepmc +1 more source