Penentuan Faktor-Faktor Pemilihan Park & Ride sebagai Fasilitas Pergerakan Komuter pada Koridor Bekasi-Jakarta

Kemacetan di DKI Jakarta terjadi karena adanya mobilitas penduduk JABODETABEK yang menggunakan kendaraan pribadi menuju DKI Jakarta setiap hari. Park & ride merupakan sebuah fasilitas penunjang moda transportasi KRL yang dapat mengalihkan pengguna pribadi untuk menggunakan moda transportasi KRL. Dalam optimalisasi fasilitas park & ride, perlu dilakukan penelitian untuk mencari faktor-faktor yang mempengaruhi penggunaan park & ride pada Koridor Bekasi-Jakarta. Dengan menggunakan teknik analisis crosstab dan korelasi bivariat, dihasilkan faktor-faktor yang mempengaruhi pemilihan park & ride sebagai fasilitas pergerakan komuter pada Koridor Bekasi-Jakarta. Faktor-faktor yang memiliki pengaruh signifikan terhadap pemilihan park & ride sebagai fasilitas pergerakan komuter pada Koridor Bekasi-Jakarta adalah faktor biaya parkir, lama parkir, Kenyamanan fasilitas parkir, jenis pekerjaan, maksud perjalanan, waktu tempuh KRL, jarak tempat tinggal menuju stasiun asal, jarak tempuh KRL, biaya perjalanan dan penggunaan moda pada stasiun pemberhentian. Dari 10 faktor tersebut, faktor maksud perjalanan memiliki nilai korelasi paling besar terhadap pemilihan park & ride sebagai fasilitas pergerakan komuter

Antioxidant vitamins and hyperbilirubinemia in neonates

Objective: Low antioxidant system may contribute to the severity of neonatal hyperbilirubinemia. The aim of this research was to explore the relationship between plasma vitamin E and C levels and the severity of hyperbilirubinemia in full-term neonates with normal glucose 6-phosphate dehydrogenase (G6PD) activities

A Framework for Construction Workspace Management: A Serious Game Engine Approach

Construction workspace is regarded as one of the main constraints on construction sites. Construction workspaces are generally difficult to proactively plan and manage due to the dynamic nature of a site where workspace requirements keep changing as time evolves. However, project managers are looking for ways to develop proactive site plan for the workspaces required for construction activities as this can impact not only on the cost and project duration, but can also contribute to provide a safer site. This research paper presents an approach for integrating workspace management within the planning process using a serious game engine technology. This paper first illustrates a review of the workspace management practices and advanced visualization techniques in the construction industry. Then, it presents a process framework for an interactive decision support system that integrates workspace planning into 5D planning in order to enable safer, efficient and more productive construction sites. The decision support system will identify schedule conflicts, workspace conflicts and the severity of their conflicts, and workspace congestions on a construction site and allow construction planners to resolve spatial conflicts prior to construction. Finally, the paper shows the current progress in the development of an initial prototype and outlines the future work and research. © 2012 American Society of Civil Engineers

KAJIAN MODEL MATEMATIS KINETIKA INAKTIVASI ENZIM LIPOKSIGENASE UNTUK PRODUKSI TEPUNG BIJI KECIPIR SEBAGAI TEPUNG KOMPOSIT

Winged bean (Psophocarpus tetragonolobus L) which its nutrition content is similar to soybean, is expected as the substitute of soybean. Winged bean can be used as source of protein by transforming it into composite flour which can be used as food product or edible film in food packaging. The utilization of winged bean is limited caused by its strong bitter beany flavour. The beany flavour is caused by the conversion of unsaturated fatty acid especially linoleate that catalyzed by lipoksigenase. In order to avoid the beany flavour, it’s urge to find an appropriate method which able to extract the oil of winged bean in the low or zero activity of lipoksigenase. In order to avoid the conversion of hydroperoxide fatty acid, we need to develop an effective extraction method which inactivate the lipoksigenase and also separate the unsaturated fatty acid in winged bean. The purpose of the present study is to develop the kinetics models of the lipoxygenation enzyme inactivation in winged bean flour production. The kinetics models can be described as first orde reaction and it is depends on pressure, temperature and water concentration. Keywords: enzyme, inactivation, winged bea

Sugar Beet Root Storage Properties Are Unaffected by Cercospora Leaf Spot

© 2023 The American Phytopathological Society. This is the accepted manuscript version of an article which has been published in final form at https://doi.org/10.1094/PDIS-09-22-2156-RECercospora leaf spot (CLS; causal agent Cercospora beticola Sacc.) is endemic in many sugar beet production regions due to the widespread distribution of C. beticola and the inability of current management practices to provide complete control of the disease. Roots harvested from plants with CLS, therefore, are inevitably incorporated into sugar beet root storage piles, even though the effects of CLS on root storage properties are largely unknown. Research was conducted to determine the effects of CLS on storage properties including root respiration rate, sucrose loss, invert sugar accumulation, loss in recoverable sucrose yield, and changes in sucrose loss to molasses with respect to CLS disease severity and storage duration. Roots were obtained from plants with four levels of CLS severity in each of three production years, stored at 5°C and 95% relative humidity for up to 120 days, and evaluated for storage characteristics after 30, 90 and 120 days storage. No significant or repeatable effects of CLS on root respiration rate, sucrose loss, invert sugar accumulation, loss in recoverable sucrose yield, or change in sucrose loss to molasses were detected after 30, 90 or 120 days storage regardless of the severity of CLS disease symptoms. Therefore, no evidence was found that CLS accelerates sugar beet storage losses, and it is concluded that roots harvested from plants with CLS can be stored without additional or specialized precaution, regardless of CLS symptom severity.Peer reviewe

Geographical Classification of Java Tea (Orthosiphon Stamineus) From Java Island by FTIR Spectroscopy Combined with Canonical Variate Analysis

FTIR spectroscopy combined with canonical variate analysis was used for differentiation of java tea (Orthosiphon stamineus) according to their geographical origin. FTIR spectra of all java tea samples were acquired in the mid infrared region (wavenumber range 4000-400 cm-1). Preprocessing signal of FTIR spectra has been carried out prior to canonical variate analysis by standard normal variate. Combination of FTIR spectra in the region 1800-900 cm-1with canonical variate analysis has the power to differentiate java tea samples in terms of geographical origin. The developed method could be used for identification of geographical origin of java tea based on the samples used in this study

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