Judul: Analisis sistem kendali mutu dan kemampuan proses produksi kertas jenis CMS di PT KBT - Bekasi
Abstrak: Sebuah produk biasanya mempunyai beberapa karakteristik mutu yang chamati untuk menentukan kualitasnya. Produk yang dihasilkan dari sebuah sistem produksi, pada umumnya mempunyai hubungan atau korelasi antar karakteristik mutunya. Pengendalian mutu beberapa karakteristik mutu yang saling berhubungan ini seharusnya dilakukan secara bersama-sama (multivariate). Metode pengendalian smultivariate yang sering digunakan dalam hal ini adalah T-Hotteling PT KAT sebagai salah satu produsen kertas, menerapkan pengendalian untuk proses, produksinya: dengan mengamati beberapa karakteristik mutu kertas. Pada kertas jenis CMS, terdapat 4 karakteristik mutu penting yang harus terpenuhi spesifikasinya agar kertas jenis ini memenuhi standar penggunaan. Karakteristik mutu ini adalah faktor kekuatan tekan (fkt), daya serap air (dsa), kadar air (ka), dan kekuatan tarik (kt). Pengendalian proses produksi selama ini dilakukan secara terpisah menggunakan grafik pengendali. Tetapi karena produk berasal dari sistem yang sama, diduga terdapat korelasi antar karakteristik mutu tersebut. Tujuan dari penelitian ini adalah melakukan analisis terhadap sistem kendali mutu dan kemampuan proses produksi kertas jenis CMS di PT KBT. Metode yang digunakan untuk melakukan analisis sisterm kendali mutu adalah grafik pengendali I-MR dan grafik pengendali peubah ganda T-Hotteling Sedangkan kemampuan proses produksi akan ditaksir menggunakan metode analisis kemampuan proses. Hasil pengamatan pada grafik pengendali peubah ganda menunjukkan bahwa proses tidak terkendalı pada tingkat t masing-masing karakteristik mutu sebesar 0.01. Setelah melalui pengendalian, proses produksi dapat dianalisis kemampuan prosesnya. Hasil analisis kemampuan proses menunjukkan bahwa proses telah mengalami pergeseran nilai tengah dengan keragaman yang besar. Hal ini ditunjukkan dengan nilai indeks analisis kemampuan proses yang rendah. Analisis kemampuan proses antar / dalam subgrup juga menunjukkan bahwa keragaman keseluruhan dipengaruhi oleh 3 macam keragaman, yaitu keragaman alami (dalam mesin), keragaman antar mesin dan keragaman antar operator.
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Judul: Pengendalian Kualitas Pada Proses Produksi Kertas Medium di PT Indah Kiat Pulp & Paper, Serang Mill
Abstrak: Paper with several sizes plays an important role in human life especially in modern society. Now paper becomes one of human needs and is used in various cases. With times, the paper consumption surely increases because of paper characteristics easily used, practical, light, cheap and can be recycled. Based on rising need of paper, it is a challenge for thefact01Y to increase the quality, capacity, and technology in the paper production. Qualified product is affected by production level through monitoring for each level of the production process. Quality management can be used for quality control, so that it can minimize product damage. The research was conducted at PT Indah Kiat Pulp and Pap~r, Serang mill (PT IKP P). The objective of the research is to identifY level factors of production process that influence final product quality, to analyze pelformance of production process, and main parameter of product quality by using quality management technique namely cause and effect diagram and control chart, identifYing the process instability systems and analyzing the correction process by using information ji-om observation, literature study and expert opinion in the research plant.
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Judul: Studi sistematika  Oreophryne Boettger, 1895Sulawesi (Anura: Microhylidae)
Abstrak: The cross frogs, genus Oreophryne Boettger, 1895 are most diverse in the mainland of New Guinea and adjacent islands, to the Wallacea region in the Moluccas, Sulawesi, and the Lesser Sunda Islands, even marginally to the Oriental region in Bali and to the southern Philippine Islands. In Sulawesi, this taxon consists of three species but has rarely been reported since their original descriptions and remained unstudied in both taxonomical work and molecular study. This research aims to evaluate the taxonomic status of the cross frogs in Sulawesi based on morphology and estimate the phylogenetic using the 16S rRNA gene. The phylogenetic tree was reconstructed under Maximum Likelihood (ML) and Bayesian Inference (BI) analyses. We used the specimens of Sulawesian Oreophryne which were stored at the Museum Zoologicum Bogoriense (MZB). A total of about 19 morphological characters were measured by a digital caliper and ocular micrometer to the nearest 0.01 mm. The phylogenetic tree shows that the three nominal species of Oreophryne from Sulawesi are clearly clustered. Correspondingly, the phylogenetic analysis supports the recognition of a new taxon, Oreophryne sp. However, the phylogenetic relationships between Oreophryne within Wallacea remain unresolved. Consequently, further systematic analysis along with additional sequences from the type locality is necessary to clarify the interspecific relationship among this region. We examined the morphology of 50 voucher specimens of Sulawesian Oreophryne. The validity of O. celebensis, O. variabilis, and O. zimmeri was confirmed in this study, but still the latter remains to be established. The three nominal species examined here were not collected from the type locality, so additional specimens, either in the type locality, new locations, or in other areas on this island are needed to evaluate the taxonomic status of these species deeply. Moreover, the unnamed species from the highland of the Mekongga mountains differ morphologically and genetically from all previously described Sulawesian Oreophryne. This distinct species will increase the number of cross frogs in Sulawesi to four species, all of which are endemic.
Keyword: frog, morphology, Oreophryne, phylogenetic, Sulawesi, systematics