Judul: Kinerja Pengelolaan Air dan Air Limbah Di PT TIFICO Tangerang
Abstrak: Sektor industri merupakan sektor yang rentan dengan masalah lingkungan Salah satu perusahaan yang bergerak di sektor industri adalah PT Teijin Indonesia Fiber Corporation (PT TIFICO) di Kelurahan Panunggangan Kecamatan Pinang Kota Tangerang dan Kelurahan Paku Alam Kecamatan Serpong Kabupaten Tangerang yang menghasilkan produk utama “Polyester” dengan memiliki lahan seluas 60 ha. Tujuan penelitian ini adalah adalah mengidentifikasi sumber limbah cair dengan metode neraca air, melakukan studi kecenderungan perubahan kualitas limbah cair dengan menggunakan SPSS versi 11.0, melakukan analisis finansial pengelolaan limbah cair dengan mengunakan metode benefit cost ratio, mengukur kinerja pengelolaan perusahaan berdasarkan persepsi karyawan, instansi terkait (Dinas Lingkungan Hidup Kabupaten / Kota Tangerang atau Bapedal Propinsi Banten ) dan masyarakat dengan metode deskriptif.
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Judul: Pengaruh penggunaan faktor-faktor produksi terhadap jumlah dan debit serta aspek finansial pengolahan limbah cair industri tekstil
Abstrak: Tujuan penelitian ini adalah: (1) mengetahui pengaruh perubahan tingkat produksi, pemakaian air, pemakaian bahan baku kapas, pemakaian bahan baku polyester, dan pemakaian bahan kimia untuk produksi terhadap jumlah dan debit limbah cair, (2) menghitung total biaya pengolahan limbah cair dan perubahan biaya dan manfaat yang dihadapi perusahaan dengan adanya Instalasi Pengolahan Air Limbah (IPAL), (3) menghitung proporsi antara biaya yang ditanggung perusahaan dan yang dikenakan pada harga produknya, dan (4) menganalisis faktor-faktor yang mendasari keputusan perusahaan untuk mendirikan IPAL. Perkembangan industri di Indonesia selain memberi dampak positif terhadap perekonomian, juga mengakibatkan terjadinya masalah penurunan mutu lingkungan hidup. Menyadari ancaman pencemaran lingkungan tersebut, pemerintah maupun konsumen pemakai produk industri semakin memperhatikan sisi keamanan lingkungan (environmental safety) dari produk yang dipasarkan, terlebih lagi konsumen di pasar internasional. Sebagai salah satu industri yang berorientasi ekspor, industri tekstil juga menghadapi tuntutan tersebut. Karena eksternalitas negatif dari proses produksi tekstil diantaranya dalam bentuk limbah cair, maka pengolahan limbah cair (Waste Water Treatment) merupakan salah satu cara menginternalisasikan efek eksternalitas negatif tersebut…dst
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Judul: Studies on growth spurt and aging in higher primates
Abstrak: single measurement that best defines the health and nutritional status of children, just as it provides an indirect measurement of the quality of life of an entire population. The pattern of human growth reflects the biocultural evolution of our species. The human pattern of growth and development (ontogeny) appears to differ markedly from patterns of ontogeny in other primate species. Three studies are reported here which deal to the growth and development of human and chimpanzee (Pan troglodytes). These three studies allow us to contrast the phenomena of adolescence growth spurt and female elderly bone loss in chimpanzee and human as chimpanzee is the closest species to humans within extant nonhuman primates. In the first, a cross-sectional study of growth of the body size and somatotype of 363 Javanese girls and 299 Javanese boys aged 4 to 20 years from Magelang Regency, Indonesia was described. In the second, cross-sectional and longitudinal studies in the growth of chimpanzee second metacarpal bone linear dimensions from individuals aged 0 to 43.6 years were used for comparison. While in the third, cross-sectional and longitudinal studies in the growth of chimpanzee body size (body mass and anterior trunk length) and second metacarpal bone mineral content were derived. In measuring the second metacarpal dimensions and mineral content, a total of 568 radiographs of chimpanzee's proximodistal left hands were used. They were taken from 68 females and 49 males aged 0 to 43.62 years old. We applied an image analysis system, Scion Image Release Alpha 4.0.3.2 software for Windows to measure bone linear dimensions and bone mineral content. Humans present complex and sinuous growth curves for both body weight and height. A clear growth spurt could be demonstrated by cross-sectional analysis in our girl subjects at around aged 11.5 years and in our boy subjects at around aged 12.5 years. In longitudinal series, not in cross-sectional, several representative chimpanzees of both sexes showed a pre-adult growth spurt on the body sizes, bone dimensions and bone mineral content. They ranged at age 4.5 to 8.5 years. This underscore the fact that adolescent growth spurt in linear dimension was not a universal feature of anthropoid primate ontogeny. Bone loss is a well established characteristic of human female aging. Based on crosssectional analyses the sequential decline of bone mass in female chimpanzee may be said to be genuine. On the other hand, we found in adulthood through elderly, male chimpanzees show a longer plateau than female chimpanzee, that is, bone mineral content is maintained in male.
Keyword: Javanese children, growth spurt, chimpanzee, second metacarpal bone, bone loss, Higher Primates