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"ABSTRACTNitrogen transformations are undertaken by marine organism as part of their metabolism, either to obtain nitrogen to synthesize structural compenents or to gain energy for their growth. Nitrogen can stimulate primer productivity in an aquatic ecosystem. Increasing human activities can cause the increase of the number of nitrogen in the ocean. The increased input of nitrogen which is often accompanied by oxygen limitation has a strong negative effect on benthic metabolism and nitrogen mineralization. The ocean nitrogen cycle is driven by complex microbial transformations, including nitrogen fixation, assimilation, nitrification, anammox and denitrification."

"Water motion ocean. There are three water motions in the Ocean,which are ocean currents,ocean waves and tides....."

"ABSTRACTIndonesia is considered as the second biggest plastic waste producer in the sea. Information on waste pollution and its impact on marine organisms in Indonesia is still limited. Waste disposal and solid waste plastics into the sea are continuosly occuring, elevating the thoughts of global impact of plastic waste contamination. Increased use of plastic is a consequence of the development of technologies, industries and also the population. This paper is expected to provide knowledge and information of plastics that exist in the sea, especially Indonesian Sea."

"Limbah cair dari sumber domestik ataupun industri di sepanjang aliran DAS Kali Bekasi berperan dalam pencemaran yang terjadi di badan air sungai. Hal ini berpengaruh pada penurunan kualitas air baku di Saluran Tarum Barat yang merupakan sumber air bersih untuk kota Jakarta ketika bertemu di Pintu Air Bekasi. Sehingga pencemaran di DAS Kali Bekasi perlu dikendalikan agar tidak mempengaruhi kualitas air baku di Saluran Tarum Barat. Penelitian ini menggunakan QUAL2K untuk menghitung beban pencemaran yang masuk ke sungai untuk memprediksi kualitas air disepanjang aliran dalam parameter BOD dan Nitrogen dalam rangka proses manajemen kualitas air. Pembangunan model dilakukan dengan mengidentifikasi daerah yang berpotensi mencemari sungai dan menjalankan model secara trial and error dengan membandingkan hasilnya dengan data sekunder untuk menvalidasi model. Dari pemodelan QUAL2K BOD dan Nitrogen diprediksi dengan memodelkan limbah industri dan domestik yang masuk ke DAS Kali Bekasi. Dari model dihasilkan bahwa disepanjang aliran DAS Kali Bekasi potensi pencemaran yang terjadi cukup besar didaerah bantaran sungai. Dari perhitungan TMDL didapatkan beban BOD maksimum di Kali Bekasi adalah 199,164 kg/hari.

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Wastewater from domestic or industri source in Bekasi River watershed have a big influence to polluted river water body. This thing result decreasing water quality in Tarum Barat Canal that use to supply water for Jakarta when cross in Bekasi Floodgate. Because of this pollution di Bekasi river watershed need to control in order not to influence water quality in Tarum Barat Canal. This study uses QUAL2K for calculate the pollution load into the river to predict water quality along the river flow within parameter BOD and Nitrogen in the framework of the process of water quality management. Model construction is done by identifying area that could potentially contaminate the river and model running by trial and error method with compared the result with secondary data to validate the model. From modeling with QUAL2K BOD and Nitrogen predicted along Bekasi River with input from domestic wastewater and industrial wastewater. From model output along river body in Bekasi River watershed have a potential to contaminated water especially from area near riverbanks and from TMDL?s calculation obtained BOD maximum in Bekasi River is 199,164 kg/day."

"This study, aims to examine empirically, the best possible relationship among variable of organizational transformation, competitive advantage and performance. The research object is te state owned enterprise (SEO's) privatization in Indonesia. The analysis unit related to the research method, involves a company while the respondents occupied by the primary manager. The method used for testing the empirical model is the Structural Equation Model on Partial Least Square. The strategic finding, take fron this research, implies in ways of achieving performances. This research aimed to give theory implication on concept Resources based View will be meaningfull to create competitive advantage. Besides, the result gives managerial implication that to improve performance need increasing organizational transformation t increas competitive advantage. Creating competitive advantage can archive through direct role of organizational transformation. Related to the government policy, the government should attention resources in enterprises to become competitiveness as mediating for successful transformation organizational to increase performance. The feature research should used "longitudinal" component to play important role on supporting this study."

"Dania perdagangan ecemn/retailing Indonesia dihadapi oleh tantangan yang semakin besar yaitu; sebagai sarana pemenuhan kebutuhan hidup rakyat Indonesia dan jugs sebagai salah satu penunjang sistem perekonomian Indonesia. Melihat tantangan ini, keberadaan dan perkembangan pusat perbelanjaan merupakan salah satu faktor penunjang untuk memajukan usaha perdagangan ecemn/ retailing Indonesia. Pusat perbelanjaan jelas mempunyai fungsi sebagai suatu lingkungan untuk berkomunikasi. Dan tampak bahwa pemikiran yang serius mengenai kwalitas telah menjadi trend/style yang bare pads perkembangan perencanaan pusat perbelanjaan di mesa mendatang. Dalam hal ini kreatifitas pengembang dan arsitek terus dipacu untuk menciptakan dan menawarkan ide-ide baru dalam jalur perkembangan pusat perbelanjaan yang semakin dituntut mempunyai multi fimgsi dewasa ini."