Science.gov

Sample records for dasar ilmu pengetahuan

  1. The Design of Curriculum Development Based on Entrepreneurship through Balanced Scorecard Approach

    ERIC Educational Resources Information Center

    Hidayat, Muhammad; Musa, Chalid Imran; Haerani, Siti; Sudirman, Indrianti

    2015-01-01

    This research is intended to develop curriculum based on entrepreneurship through balanced scorecard approach at the School of Business or "Sekolah Tinggi Ilmu Ekonomi" (STIE) Nobel Indonesia. In order to develop the curriculum, a need analysis in terms of curriculum development that involves all stakeholders at STIE Nobel in Indonesia…

  2. Ranging bowhead whale calls in a shallow-water dispersive waveguide.

    PubMed

    Abadi, Shima H; Thode, Aaron M; Blackwell, Susanna B; Dowling, David R

    2014-07-01

    This paper presents the performance of three methods for estimating the range of broadband (50-500 Hz) bowhead whale calls in a nominally 55-m-deep waveguide: Conventional mode filtering (CMF), synthetic time reversal (STR), and triangulation. The first two methods use a linear vertical array to exploit dispersive propagation effects in the underwater sound channel. The triangulation technique used here, while requiring no knowledge about the propagation environment, relies on a distributed array of directional autonomous seafloor acoustics recorders (DASARs) arranged in triangular grid with 7 km spacing. This study uses simulations and acoustic data collected in 2010 from coastal waters near Kaktovik, Alaska. At that time, a 12-element vertical array, spanning the bottom 63% of the water column, was deployed alongside a distributed array of seven DASARs. The estimated call location-to-array ranges determined from CMF and STR are compared with DASAR triangulation results for 19 whale calls. The vertical-array ranging results are generally within ±10% of the DASAR results with the STR results providing slightly better agreement. The results also indicate that the vertical array can range calls over larger ranges and with greater precision than the particular distributed array discussed here, whenever the call locations are beyond the distributed array boundaries. PMID:24993201

  3. Pre-Eminent Curriculum in Islamic Basic School Integrated Comparative Studies in Islamic Basic School Integrated Al-Izzah Serang and Al-Hanif Cilegon, Banten, Indonesia

    ERIC Educational Resources Information Center

    Fauz, Anis; Hasbullah

    2016-01-01

    Compare to General SD (Primary school), the superiority of SD Islam Terpadu (Integrated Islamic Primary School) lies on the development of the curriculum and learning that is more emphasize on integrated curriculum and integrated learning. Curriculum model applied in Sekolah Dasar Islam Terpadu (SDIT) is integrated curriculum. This curriculum is…

  4. Directional frequency and recording (DIFAR) sensors in seafloor recorders to locate calling bowhead whales during their fall migration

    NASA Astrophysics Data System (ADS)

    Greene, Charles R.; McLennan, Miles Wm.; Norman, Robert G.; McDonald, Trent L.; Jakubczak, Ray S.; Richardson, W. John

    2004-08-01

    Bowhead whales, Balaena mysticetus, migrate west during fall ~10-75 km off the north coast of Alaska, passing the petroleum developments around Prudhoe Bay. Oil production operations on an artificial island 5 km offshore create sounds heard by some whales. As part of an effort to assess whether migrating whales deflect farther offshore at times with high industrial noise, an acoustical approach was selected for localizing calling whales. The technique incorporated DIFAR (directional frequency and recording) sonobuoy techniques. An array of 11 DASARs (directional autonomous seafloor acoustic recorders) was built and installed with unit-to-unit separation of 5 km. When two or more DASARs detected the same call, the whale location was determined from the bearing intersections. This article describes the acoustic methods used to determine the locations of the calling bowhead whales and shows the types and precision of the data acquired. Calibration transmissions at GPS-measured times and locations provided measures of the individual DASAR clock drift and directional orientation. The standard error of the bearing measurements at distances of 3-4 km was ~1.35° after corrections for gain imbalance in the two directional sensors. During 23 days in 2002, 10 587 bowhead calls were detected and 8383 were localized.

  5. Directional frequency and recording (DIFAR) sensors in seafloor recorders to locate calling bowhead whales during their fall migration.

    PubMed

    Greene, Charles R; McLennan, Miles Wm; Norman, Robert G; McDonald, Trent L; Jakubczak, Ray S; Richardson, W John

    2004-08-01

    Bowhead whales, Balaena mysticetus, migrate west during fall approximately 10-75 km off the north coast of Alaska, passing the petroleum developments around Prudhoe Bay. Oil production operations on an artificial island 5 km offshore create sounds heard by some whales. As part of an effort to assess whether migrating whales deflect farther offshore at times with high industrial noise, an acoustical approach was selected for localizing calling whales. The technique incorporated DIFAR (directional frequency and recording) sonobuoy techniques. An array of 11 DASARs (directional autonomous seafloor acoustic recorders) was built and installed with unit-to-unit separation of 5 km. When two or more DASARs detected the same call, the whale location was determined from the bearing intersections. This article describes the acoustic methods used to determine the locations of the calling bowhead whales and shows the types and precision of the data acquired. Calibration transmissions at GPS-measured times and locations provided measures of the individual DASAR clock drift and directional orientation. The standard error of the bearing measurements at distances of 3-4 km was approximately 1.35 degrees after corrections for gain imbalance in the two directional sensors. During 23 days in 2002, 10,587 bowhead calls were detected and 8383 were localized. PMID:15376646

  6. Effects of Airgun Sounds on Bowhead Whale Calling Rates: Evidence for Two Behavioral Thresholds

    PubMed Central

    Blackwell, Susanna B.; Nations, Christopher S.; McDonald, Trent L.; Thode, Aaron M.; Mathias, Delphine; Kim, Katherine H.; Greene, Charles R.; Macrander, A. Michael

    2015-01-01

    In proximity to seismic operations, bowhead whales (Balaena mysticetus) decrease their calling rates. Here, we investigate the transition from normal calling behavior to decreased calling and identify two threshold levels of received sound from airgun pulses at which calling behavior changes. Data were collected in August–October 2007–2010, during the westward autumn migration in the Alaskan Beaufort Sea. Up to 40 directional acoustic recorders (DASARs) were deployed at five sites offshore of the Alaskan North Slope. Using triangulation, whale calls localized within 2 km of each DASAR were identified and tallied every 10 minutes each season, so that the detected call rate could be interpreted as the actual call production rate. Moreover, airgun pulses were identified on each DASAR, analyzed, and a cumulative sound exposure level was computed for each 10-min period each season (CSEL10-min). A Poisson regression model was used to examine the relationship between the received CSEL10-min from airguns and the number of detected bowhead calls. Calling rates increased as soon as airgun pulses were detectable, compared to calling rates in the absence of airgun pulses. After the initial increase, calling rates leveled off at a received CSEL10-min of ~94 dB re 1 μPa2-s (the lower threshold). In contrast, once CSEL10-min exceeded ~127 dB re 1 μPa2-s (the upper threshold), whale calling rates began decreasing, and when CSEL10-min values were above ~160 dB re 1 μPa2-s, the whales were virtually silent. PMID:26039218

  7. School-community collaboration in disaster education in a primary school near Merapi volcano in Java Island

    NASA Astrophysics Data System (ADS)

    Tuswadi, Takehiro, Hayashi

    2016-05-01

    This paper describes our latest innovation in implementation of school-community collaboration in disaster education at Sekolah Dasar Negeri 1 Banaran, located in Cangkringan district of Sleman regency, as high-risk area of having impacts from Merapi eruption. The collaboration between school and local communities in an integrated disaster prevention lesson provides a space for students to not only obtain important information and knowledge about natural disasters through their teacher in the classroom but also gain important knowledge directly from the people who live around the school. Through this study, students are taught to be sensitive to utilize the resources in their nearest environment to support the process and the results of their learning about survival in a disaster prone area. Many students have not well understood relation between earthquake and volcanic eruption. Result of student groups' interview to a number of local community members showed that (1) In 2010 Merapi eruptions, from 8 residents, 5 of them, together with their family members were staying at home and getting panic while 3 other residents had already evacuated. (2) Five residents reported no one in their village was killed although some houses were damaged. (3) For anticipating future eruption, the residents confessed to quickly follow the government for evacuation by preparing in advance the transportation, masks, their own precious goods and important documents. From the result of the groups' report during discussion activities in the class, it was revealed that the students are aware of immediate evacuation as the best way to keep themselves safe from eruption. They also understood things to bring for evacuation including maskers.

  8. The concept of nature in Islamic science teaching

    NASA Astrophysics Data System (ADS)

    Zarman, Wendi

    2016-02-01

    Science teaching is basically value laden activities. One of the values tells that science is not related to any religion. This secular value is reflected to science teaching in many places, including religious country like Indonesia. However, we argue that in Indonesia science teaching should not be secular as in the Western country since one of the basic aim of National Education according to the Indonesian constitution Undang-Undang Dasar 1945, is to inculcate faith and god-fearing to One God Almighty. As we know, Indonesia is a Moslem country and has many Islamic schools in it too. Thus, it is important to design a science teaching framework base on Islamic teaching to fulfill the basic aim of National Education This paper discusses concept of nature, the key term in science, based on Islamic view that may used as a framework to develop Islamic science teaching. In Islam, science has a strong relation to religion since nature reflects the existence of the Creator. This concept is derived from the analysis of several verses from Qur'an as the main source of Islamic teaching. There are several principle can be derived from this analysis. Firstly, visible world is not the only world, but there is also the unseen world. Secondly, the nature is not merely matter that doesn't have any sacred value, but it is the indication or symbol of God existence and His Nature. Thirdly, The Qur'an and the nature are both Books of Allah that contain messages of Him, so they are complementary to each other