Judul: Studi tentang desain dan konstruksi kapal serbaguna minifisher 10.50 version 1 PT. KARYA ISTHIKA TIRTA, TANGGERANG
Abstrak: Kapal Minifisher 10.50 Version 1 ini mempunyai ukuran-ukuran utama sebagai berikut: LOA = 10,25 meter, LPP 9,30 meter, panjang menurut BKI 9,8275 meter, B 3,10 meter serta D = 1,41 meter. Dengan CB di geladak utama sebesar 0,5 kapal ini mempunyai ukuran tonnage sebesar 7,9 GT. Da- ri ukurannya yang relatip kecil, kapal ini memungkinkan untuk dirancang sebagai kapal ikan serbaguna (multipurpose). Kapal Minifisher 10.50 Version 1 dibangun dengan berbagai metoda pembuatan. Lunas dibuat dari kayu laminasi (menunjukkan suatu bentuk konstruksi kayu yang terdiri dari sejumlah lapisan-lapisan kayu lebih tipis yang disusun dan direkat sejajar terhadap suatu sumbu). Gading-gading dan dek terbuat dari kayu utuh. Lambung terbuat dari kayu utuh berlapis fibreglass. Bangunan atas kapal (rumah kemudi dan kabin awak) berangka kayu utuh berdinding plywood. Bahan kayunya lebih ringan sehingga berat konstruksi kapal kosong menjadi lebih ringan pula. Sesuai dengan itu, ukuran bobot mati kapal menjadi lebih tinggi. Maka untuk mencapai sarat air tertentu kapal ini membutuhkan jumlah beban yang lebih berat (banyak), dibanding kapal kayu tradisional dengan bentuk dan ukuran yang sama. Dimensi utama kapal ikan serbaguna Minifisher 10.50 Version 1 dihitung dan dibahas dalam makalah khusus ini.
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Judul: Studi tentang desain dan konstruksi kapal cantrang di Labuan
Abstrak: Di Labuan, terdapat tempat pembuatan kapal ikan kayu cantrang yang pengerjaannya masih tradisional. Penelitian terhadap desain dan konstruksi kapal cantrang di Labuan dilakukan untuk memperoleh gambaran dan cara pembangunannya. Penelitian ini bertujuan untuk: (1) mempelajari cara dan urutan pembuatan kapal cantrang, (2) mempelajari desain dan konstruksi kapal cantrang dan (3) memberikan masukan untuk alternatif pengembangan dari kapal yang diteliti. Metode penelitian yang digunakan adalah deskriptif-komparatif. Setelah diperoleh gambaran tentang desain dan konstruksinya kemudian dilakukan pembandingan dengan standar beberapa pustaka dan Biro Klasifikasi Indonesia (BKI). Hasil Perhitungan menunjukkan bahwa kapal cantrang di Labuan mempunyai nilai L/B (3,81) lebih kecil dari nilai patokan (4,29), L/D (12,05) dan B/D (3,16) lebih besar dari nilai patokan, yaitu L/D 10,89 dan B/D 2,54. Nilai coefficient of finenes kapal yang diteliti adalah 0,51 (Cb), 0,78 (Cw), 0,65 (Cvp), 0,92 (CO) dan 0,55 (Cp). Bentuk badan kapal V bottom (bagian haluan), U dasar rata (bagian midship dan bagian buritan). Nilai KG/D = 0,97, dimana nilai ini masih lebih besar dari patokan (0,770,90). Nilai GM = 0,55 sesuai dengan nilai patokan (0,35 0,66). Tenaga penggerak kapal menggunakan mesin utama 18 HP yang menghasil- kan kecepatan sekitar 5,14 knot. Penambahan gearbox pada mesin akan menambah kemampuan tarik sebesar ± 27%. Mesin tambahan 10,5 HP digunakan sebagai penarik tali cantrang. Daya mesin bantu penangkapan terlalu besar sehingga pada saat operasi penangkapan ikan, mesin bekerja tidak maksimal. ...
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Judul: Dog Ticks Infestation and Its Correlation to Tick-Borne Diseases.
Abstrak: Ticks infestation on dog could lead to itchiness, anemia, skin disorders, and tick-borne diseases, such as Ehrlichiosis, Babesiosis, Anaplasmosis and Rocky Mountain Spotted Fever. Besides dogs, Ehrlichiosis were known to be zoonotic. Pre-mature stage tick life cycle that occur outside its host, will enhance contacts between ticks and human. The study of ticks infestation and tick-borne diseases on the dog is necessary, because it has not a lot of information about the diversity, prevalence and degree of ticks infestation in Indonesia. Ticks survey, included ticks sampling and dogs blood test were performed at Animal Police Directorate Security Agency (Baharkam) and Atang Sendjaja Air Force (ATS). Meanwhile ticks sampling also data of cases of ticks infestation and diseases transmitted obtained from 21 veterinary clinics in Bogor, Jakarta and Bandung. All ticks samples stored in bottles containing 70% alcohol for identification. Blood tests performed for Ehrlichiosis, Babesiosis and Anaplasmosis diagnosis. The identification results of the 950 ticks samples that obtained from 97 dogs of Baharkam, ATS and veterinary clinics in Bogor, Jakarta and Bandung, showed only one ticks species, Rhipicephalus sanguineus. This ticks belong to three-host tick, which require three hosts to complete its life cycle. Each ticks stage need a host, either same dog (if it is in place there is only one or a few dogs), as well as different dogs. Research in Baharkam conducted on 81 dogs (53 males and 28 females). The prevalence of dogs infested by ticks was 67.90%. The percentage of male dogs that infested by ticks are larger (69.81%) than female (64.29%). Based on Chi-Square test, there was no relationship between sex and breed of dog with degree of ticks infestation. Generally dogs infested with mild infestation category (41.98%), meanwhile moderate category was 18.52%, 2.47% high and 4.94% very high. The dog’s body region that the most infested by R. sanguineus was dog's back. Probably these body regions were be preferred because they are less accessible for the dog to remove them with its paws. Collection of ticks with tick-drag on Baharkam grass field showed positive results on the field that was more often used to practice by dogs. The samples that obtained was larvae stage ticks with density 152 larvae on 215m2 area of the field. Adult stage ticks and several adult females which laying eggs on the cage wall were obtained in the dog kennels. Whole of male and female ATS dogs infested with ticks (14 dogs). In general, dogs infested with very high infestation category was 64.29%, compared by high degree category (21.43%) and moderate (14.29%). Ticks predilection were found mostly on the dog’s head – neck. On ATS grass field did not reveal any ticks, but positively inside the kennels. It happens probably because dogs are rarely released from the kennel, so that the ticks was did drop-off inside the kennel. The total cases of ticks infestation of dogs at Bogor, Jakarta and Bandung veterinary clinics in 2008 until June 2013 as many as 731 cases. In general, there was an increases of the ticks infestation prevalence at three cities in that range
Keyword: Anaplasma, Babesia, Ehrlichia canis, Rhipicephalus sanguineus