Search for Turbulent Gas through Interstellar Scintillation

Stars twinkle because their light propagates through the atmosphere. The same phenomenon is expected when the light of remote stars crosses a Galactic - disk or halo - refractive medium such as a molecular cloud.We present the promising results of a test performed with the ESO-NTT and the perspectives.Comment: Tenth Symposium on Sources and Detection of Dark Matter and Dark Energy in the Universe, Los-Angeles : \'Etats-Unis (2012

Study of on-board compression of earth resources data

The current literature on image bandwidth compression was surveyed and those methods relevant to compression of multispectral imagery were selected. Typical satellite multispectral data was then analyzed statistically and the results used to select a smaller set of candidate bandwidth compression techniques particularly relevant to earth resources data. These were compared using both theoretical analysis and simulation, under various criteria of optimality such as mean square error (MSE), signal-to-noise ratio, classification accuracy, and computational complexity. By concatenating some of the most promising techniques, three multispectral data compression systems were synthesized which appear well suited to current and future NASA earth resources applications. The performance of these three recommended systems was then examined in detail by all of the above criteria. Finally, merits and deficiencies were summarized and a number of recommendations for future NASA activities in data compression proposed

The annihilating-submodule graph of modules over commutative rings

Let M be a module over a commutative ring R. In this paper, we continue our study of annihilating-submodule graph AG(M) which was introduced in (The Zariski topology-graph of modules over commutative rings, Comm. Algebra., 42 (2014), 3283{3296). AG(M) is a (undirected) graph in which a nonzero submodule N of M is a vertex if and only if there exists a nonzero proper submodule K of M such that NK = (0), where NK, the product of N and K, is defined by (N : M)(K : M)M and two distinct vertices N and K are adjacent if and only if NK = (0). We obtain useful characterizations for those modules M for which either AG(M) is a complete (or star) graph or every vertex of AG(M) is a prime (or maximal) submodule of M. Moreover, we study coloring of annihilating-submodule graphs.Comment: 14 pages, 0 figures. arXiv admin note: text overlap with arXiv:0808.3189 by other author

Analisa Pemilihan Propeller Tipe B-Series pada Kapal Feri Ro-Ro 600 GT dengan Menggunakan Aplikasi Matchpro

Kondisi perairan Indonesia yang terdiri dari ribuan gugusan pulau memberikan tantangan untuk mendesain alat transportasi yang efisien dari segi pengoperasiannya. Kapal Feri Ro-Ro merupakan salah satu alternatif yang dipakai. Namun dari beberapa kasus didapatkan bahwa kapal tidak memenuhi kecepatan sesuai perencanaan. Salah satu penyebabnya adalah turunnya efisiensi dari propeller. Turunnya efisiensi propeller ini dipengaruhi oleh beberapa faktor diantaranya terjadinya kavitasi pada propeller, ketidak sesuaian mesin dan propeller yang digunakan pada saat operasional, sehingga diperlukan suatu metode engine propeller matching. Penelitian ini bertujuan untuk menganalisis tipe propeller B-series yang tepat untuk kapal Feri Ro-Ro 600 GT dengan menggunakan aplikasi Matchpro dengan database propeller dan mesin penggerak yang digunakan. Dari hasil penelitian diketahui bahwa tipe propeller B-Series yang paling efisien dipasang pada Kapal Feri Ro-Ro 600 GT adalah tipe B335

Pelaksanaan Pemilihan Kepala Desa Daleman Kecamatan Kedungdung Kabupaten Sampang

This article discusses about a political shari’ah’s view on the implementation of the village’s head election in Daleman-Kedungdung-Sampang. The results of the research conclude that the mechanism of the village’s head election starting from the formation of the committee election, the candidates crawl, the campaign, the voice collecting and counting, and the announcement and the establishment of elected candidates. The election committee has done them according to the procedures and not in conflict with the political shari’ah as well as the Regional Regulation of Sampang No. 5 year 2006 concerning the procedures for the nomination, election, appointment and dismissal of the head of the village. However, in its implementation, there was one of the candidates practiced money politics and intimidation where the money politics is banned by Islamic law, while intimidation violates the basic values of the political shari’ah about welfare. It is not also justified under article 15 of Regional Regulation No. 5, article 15 year 2006 of Sampang. In addition to the money politics and intimidation practice, the village’s head election is also tinged with gambling which is obviously forbidden in Islam. However, the Regional Regulation has not clearly set those practices yet

Pengaruh Kompetensi Profesional dan Kompetensi Pedagogik Guru terhadap Pelaksanaan Kurikulum 2013

This study aims to determine the influence between pedagogic competence and teacher professional competence on the implementation of the 2013 curriculum. This study used a multiple regression analysis with the population being the teacher council of SMPN as many as 30 people and MTsN as many as 35 people with a total of 65 people. The research instruments used were the Variable X1 questionnaire (Pedagogic Competence) of 30 questions that had been tested for validity and reliability, the Variable X2 questionnaire (Teacher Professional Competence) as many as 30 questions that had been tested for validity and reliability, and the Variable Y questionnaire (Implementation of the 2013 Curriculum) as many as 30 questions that had been tested for validity and reliability. The results showed the influence of pedagogic competence and professional competence of teachers on the implementation of the 2013 curriculum. From data processing, a double regression equation was obtained between Y = 6.315 + 0.391X1 + 0.377 X2, with a significant level of 0.05 obtained Ftable of 0.66. Because> which is 138.8 >0.66, then reject H0 and accept H1, thus there is an influence of professional competence and pedagogic competence of teachers on the implementation of the 2013 curriculum