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202  Articles
1 of 21 pages  |  10  records  |  more records»
Abstract: In the Curriculum 2013, there are three aspects of assessment, namely knowledge, skills, and attitudes. The purpose of this development research is to produce and determine the level of content validity of the conceptual understanding assessment... see more

Determination of Total Petroleum Hidrokarbon (TPH) through the Concentration of Oil and Grease (OG) in the Surface Sediment of Cimanuk Delta Waters, West Java. The Estuary of Delta Cimanuk is located in the coastal water of Indramayu, West Java. The pollu... see more

Contamination of soil by the activities of exploration, production, and disposal of oil waste into the environment causes serious damage to the environmental ecosystem, the target of processing by the bacteria as a model for remediation of oil contaminate... see more

Sumba Sea is an Indo-Australian tectonic plate transition zone that has a huge biodiversities resources and also behalf of an international shipping lane zone from southern of Indonesia to Australia and New Zealand, and as the return. In addition, Sumba S... see more

Penelitian ini menggunakan metode Gore Sorber dengan menanamkan alat ke dalam tanah selama 21 hari dan pada hari ke-21 alat tersebut diambil kemudian kandungannya dianalisis dengan menggunakan GC-MS untuk mengetahui jumlah senyawa hidrokarbon yang terkand... see more

The extraction activity, transportation and processing of crude oil caused soil contamination with total petroleum hydrocarbons (TPH). The develop phytoremediation process of contaminated soils with 2.8 % TPH, were studied in pots, with a tolerant grass s... see more

The use of power plant fly ash, by its physical-chemical properties, can significantly change the characteristics of soils polluted with oil (Total Petroleum Hydrocarbons, TPH), in their rehabilitation process, if combined with biodegradable organic mater... see more

Water contamination with petroleum hydrocarbons is one of the most challenging environmental problems, as crude oil continues to be the main source of energy and petrochemicals. This study presents the validation and the estimation of the measurement unce... see more

The paper presents the validation and the estimation of the measurement uncertainty for the determination of petroleum hydrocarbons in soil by Fourier transform-infrared spectroscopy. For the method validation selectivity, limit of detection and limit of ... see more

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