Judul: Analisis Keberlanjutan dan Keselamatan Kerja Perikanan Panah (Spearfishing) di Kepulauan Karimunjawa
Abstrak: Speargun is a productive fishing gear operated by Karimunjawa fishermen. Spearfishermen face potential conflict with other fishermen and also facing major health risk. Objectives of this research are to identify and describe spearfisheries, determine spearfisheries status based on CCRF perspective, define development strategy, and describe job safety analysis. This research was carried out using survey methods. Spearfishing is one night trip operations, spearfishermen undertake five to six trip a week. Spearfishing operations perform nearly throughout the year. Spearfisheries target fish mostly reef fishes. 65 species caught by spearfishermen, weighted 38,767.9 kg, by effort as many as 582 trips. Average CPUE is 63.27 kg / trip. Spearfisheries viewed from CCRF perspective, not fully support CCRF concept. Biological, technological, and social aspects need to improve. External factors affecting spearfisheries system are political, economic, social, cultural, and technological developments. Those external factors make enough impact on Karimunjawa spearfisheries development. Internal factors include management, human resources, and fish resources. Internal factors conditions are able to overcome various problems in spearfisheries. Spearfishing operations by diving is high risk activities. Spearfisheries operations work steps sequence analyzed its potential hazards / accidents and what prevention measures needs to take to minimize that potential hazards / accidents.
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Judul: Fishermen work safety at fishing operation on payang in Palabuhanratu, West Java
Abstrak: The main cause of marine accidents resulting in loss of human lives is purely human error. Specifically on the capture fisheries, as many as 80 percent of marine accidents are caused by factors of human negligence (FAO, 2009). The purpose of this study is to inventory and describe all hazards and possible consequences in every aspect and stage, inventory and identify those aspects related to the management of safety of fishermen, both institutionally, existing regulations, human resources, working conditions and safety design models fishermen work at the sites. Scope of the study was limited to payang fishing activities in fishing operations in Palabuhanratu. The research was conducted in October 2011 - August 2012, in district Palabuhanratu West Java, especially in PPN Palabuhanratu. This research activity was carried out by conducting literature studies and interviews with the aim of collecting primary data in the form of direct observation and interviews/questionnaires to all the components, either directly or indirectly involved. Collection of secondary data fishery, related regulations, journals, and other related literature. Policy and institutional analysis be descriptive. The next method is the Formal Safety Assessment (FSA), the human element can be incorporated into the FSA process using human reliability analysis (HRA). HRA in this study quantitatively. To complete the picture details the development of systems analysis models to understand and make decisions related to SMK3. Activity that has a chance of failure risk was greatest in gear operating activities during setting. Consequences of accidents greatest opportunity in hauling activity. Risk control is done with the selection of a competent crew, plan fishing/sailing, designing safe work procedures, use of equipment as needed, using personal protective equipment and conditioning healthy working environment, as well as coordination among crew always do. Need to restructure relating to the management of fishing safety associated with existing policies and institutions, so that the mutually synergistic implementation. Analysis of the safety management system of the fishermen showed no systemic features and characteristics of the organization who have learning disabilities. (A) Each stakeholder tends to stand in their own point of view or interest. (B) Completion of the problems in safety management fishermen tend gradually, not structured and are regional and do not change the mindset. (C) In the safety management practices on certain aspects (control) often occurs transitional resources for the benefit of others. This transfer shows that the issue of safety management is not a priority fishermen and not something that should be addressed immediately. (D) Aimed of fishing safety management is not up to the level of implementation.
Keyword: fishermen work safety, Formal Safety Assessment (FSA)

Judul: Enhancement of photon absorbtion on BaxSr1-xTiO3 thin films semiconductor using photonic crystals.
Abstrak: In this research, has been conducted BaxSr1-xTiO3 (BST) thin films manufacturing for mole fraction x = 0.25, 0.35, 0.45, and 0.55; and concentration of 1 molar using chemical solution depositon (CSD) method. The materials, which are used in this research, are barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%], titanium isopropoxide [Ti(C12O4H28), 97.999%], gallium trioxide [Ga2O3], 2-methoxyethanol [H3COOCH2CH2OH, 99%] and 1 x 1 cm of transparent conductive oxide (TCO) glass as substrate. Two BST thin films are made that for BST thin films which are doped by 10% galium (BGST) as p-type layer and pure BST solution as n-type. BST solution is made by reacting barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%] and titanium isopropoxide [Ti(C12O4H28)] into 2-methoxyethanol solvent [H3COOCH2CH2OH, 99%] in accordance with mass gram for each x value. While, BGST solution is made in the same way as BST solution, plus adding gallium at 10% of the mass of BST. Once all materials are reacted, then vibrated using ultrasonic for 90 minutes, and followed by coating BGST / BST on the TCO substrate. Once the layer is formed, then annealed for 15 hours at temperature of 500 °C with increasing rate of 1.67 oC/minute. Characterizations of BST thin films with or without photonic crystals include the absorbance and transmittance in the visible light spectrum, as well as the electrical photoconductivity characterizations. From BST thin films without photonic crystals indicate that our thin films have light absorption area on almost the entire range of the visible light spectrum even to the infrared range with absorption value over than 67.6%, in addition, it can be seen that the maximum absorbance of BST thin films for all mole fractions lie in blue to green light spectrum region, 457 nm ≤ λ ≤ 570 nm and the minimum in yellow to red light spectrum region, 570 nm ≤ λ ≤ 678 nm. The largest absorbance is found at x = 0.25 with average absorbance value of 92.04% and maximum and minimum absorbance peaks at wavelength of 500.89 and 657.72 nm, respectively. At x = 0.35, average absorbance value decreased to 83.55% with maximum and minimum peaks at 505.73 and 613.68 nm, respectively. Then increased to 91.16% at x = 0.45 with maximum and minimum peaks at 506.04 and 618.56 nm, respectively. At x = 0.55, average absorbance value decreased to 80.12% with maximum and minimum peaks at 507.85 and 608.79 nm, respectively. Moreover, it can be seen that the addition of barium mole fraction leads to wider maximum absorbance or minimum transmittance peaks and narrower minimum absorbance or maximum transmittance peaks in the same range of the green and blue & red light spectrums, respectively. BST thin films with photonic crystals show increasing in absorption for all x values in the range of 3.04 into 13.33%. At x = 0.25, average absorbance percentage increased 3.96% from 92.4 into 95.68%, for x = 0.35 average percentage increased 7.07% into 89.45 from 83.55%. Furthermore, average absorbance of BST thin films at x = 0.45 increased 3.04% from 91.16 into 93.93% and x = 0.55 has
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