Littérature scientifique sur le sujet « Residui di APC »
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Articles de revues sur le sujet "Residui di APC"
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Yusuf, Muhammad. « PERAMALAN INFLASI DI KOTA BIMA DENGAN PENDEKATAN ARIMA ». Ekonomi dan Bisnis 9, no 1 (6 juillet 2022) : 1. http://dx.doi.org/10.35590/jeb.v9i1.3981.
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Penelitian ini bertujuan untuk meramalkan inflasi di Kota Bima periode Desember 2020 sampai dengan November 2022. Peramalan inflasi dari Desember 2021 sampai dengan November 2022 cenderung tidak datar dan bervariasi pada rata-rata rata-rata sebesar 0,2249% dan standar deviasi sebesar 0,1285%. Inflasi tertinggi kemungkinan terjadi pada Desember 2021 dan Juni 2022 yaitu masing-masing bernilai 0,4087% dan 0,3987%. Inflasi terendah terjadi kemungkinan terjadi pada bulan Maret 2022 dan September 2022 yaitu masing-masing sekitar 0,0442% dan 0,054%. Dengan tingkat signifikansi 5%, data inflasi sudah stasioner pada level dengan p-value 0,01. Berdasarkan signifikansi variabel, Uji Ljung Box dan nilai kriteria AIC dipilih model ARIMA(2,0,2) sebagai model terbaik dalam meramalkan inflasi di Kota Bima karena semua variabel signfikan, residual model telah white noise dan nilai AIC paling kecil.
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Morán-Barrio, Jorgelina, María-Natalia Lisa, Nicole Larrieux, Salvador I. Drusin, Alejandro M. Viale, Diego M. Moreno, Alejandro Buschiazzo et Alejandro J. Vila. « Crystal Structure of the Metallo-β-Lactamase GOB in the Periplasmic Dizinc Form Reveals an Unusual Metal Site ». Antimicrobial Agents and Chemotherapy 60, no 10 (25 juillet 2016) : 6013–22. http://dx.doi.org/10.1128/aac.01067-16.
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ABSTRACTMetallo-beta-lactamases (MBLs) are broad-spectrum, Zn(II)-dependent lactamases able to confer resistance to virtually every β-lactam antibiotic currently available. The large diversity of active-site structures and metal content among MBLs from different sources has limited the design of a pan-MBL inhibitor. GOB-18 is a divergent MBL from subclass B3 that is expressed by the opportunistic Gram-negative pathogenElizabethkingia meningoseptica. This MBL is atypical, since several residues conserved in B3 enzymes (such as a metal ligand His) are substituted in GOB enzymes. Here, we report the crystal structure of the periplasmic di-Zn(II) form of GOB-18. This enzyme displays a unique active-site structure, with residue Gln116 coordinating the Zn1 ion through its terminal amide moiety, replacing a ubiquitous His residue. This situation contrasts with that of B2 MBLs, where an equivalent His116Asn substitution leads to a di-Zn(II) inactive species. Instead, both the mono- and di-Zn(II) forms of GOB-18 are active against penicillins, cephalosporins, and carbapenems.In silicodocking and molecular dynamics simulations indicate that residue Met221 is not involved in substrate binding, in contrast to Ser221, which otherwise is conserved in most B3 enzymes. These distinctive features are conserved in recently reported GOB orthologues in environmental bacteria. These findings provide valuable information for inhibitor design and also posit that GOB enzymes have alternative functions.
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Diarsih, Inas Husna, Tarno Tarno et Agus Rusgiyono. « PEMODELAN PRODUKSI BAWANG MERAH DI JAWA TENGAH DENGAN MENGGUNAKAN HYBRID AUTOREGRESSIVE INTEGRATED MOVING AVERAGE – ADAPTIVE NEURO FUZZY INFERENCE SYSTEM ». Jurnal Gaussian 7, no 3 (29 août 2018) : 281–92. http://dx.doi.org/10.14710/j.gauss.v7i3.26661.
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Red onion is one of the strategic horticulture commodities in Indonesia considering its function as the main ingredients of the basic ingredients of Indonesian cuisine. In an effort to increase production to supply national necessary, Central Java as the main center of red onion production should be able to predict the production of several periods ahead to maintain the balance of national production. The purpose of this research is to get the best model to forecast the production of red onion in Central Java by ARIMA, ANFIS, and hybrid ARIMA-ANFIS method. Model accuracy is measured by the smallest RMSE and AIC values. The results show that the best model to modeling red onion production in Central Java is obtained by hybrid ARIMA-ANFIS model which is a combination between SARIMA ([2], 1, [12]) and residual ARIMA using ANFIS model with input et,1, et,2 on the grid partition technique, gbell membership function, and membership number of 2 that produce RMSE 12033 and AIC 21.6634. While ARIMA model yield RMSE 13301,24 and AIC 21,89807 with violation of assumption. And the ANFIS model produces RMSE 14832 and AIC 22,0777. This shows that ARIMA-ANFIS hybrid method is better than ARIMA and ANFIS.Keywords: production of red onion, ARIMA, ANFIS, hybrid ARIMA-ANFIS
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Sreevatsan, S., K. E. Stockbauer, X. Pan, B. N. Kreiswirth, S. L. Moghazeh, W. R. Jacobs, A. Telenti et J. M. Musser. « Ethambutol resistance in Mycobacterium tuberculosis : critical role of embB mutations. » Antimicrobial Agents and Chemotherapy 41, no 8 (août 1997) : 1677–81. http://dx.doi.org/10.1128/aac.41.8.1677.
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Ethambutol [(S,S')-2,2'-(ethylenediimino)di-1-butanol; EMB], is a first-line drug used to treat tuberculosis. To gain insight into the molecular basis of EMB resistance, we characterized the 10-kb embCAB locus in 16 EMB-resistant and 3 EMB-susceptible genetically distinct Mycobacterium tuberculosis strains from diverse localities by automated DNA sequencing and single-stranded conformation polymorphism analysis. All 19 organisms had virtually identical sequences for the entire 10-kb region. Eight EMB-resistant organisms had mutations located in codon 306 of embB that resulted in the replacement of the wild-type Met residue with Ile or Val. Automated sequence analysis of the 5' region (1,892 bp) of embB in an additional 69 EMB-resistant and 30 EMB-susceptible M. tuberculosis isolates from diverse geographic localities and representing 70 distinct IS6110 fingerprints confirmed the unique association of substitutions in amino acid residue 306 of EmbB with EMB resistance. Six other embB nucleotide substitutions resulting in four amino acid replacements were uniquely found in resistant strains. Sixty-nine percent of epidemiologically unassociated EMB-resistant organisms had an amino acid substitution not found in susceptible strains, and most (89%) replacements occurred at amino acid residue 306 of EmbB. For strains with the Met306Leu or Met306Val replacements EMB MICs were generally higher (40 microg/ml) than those for organisms with Met306Ile substitutions (20 microg/ml). The data are consistent with the idea that amino acid substitutions in EmbB alter the drug-protein interaction and thereby cause EMB resistance.
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PRANATA, MELI, DIAN ANGGRAINI, Deden Makbuloh et Achi Rinaldi. « Prediksi Pencurian Sepeda Motor Menggunakan Model Time Series (Studi Kasus : Polres Kotabumi Lampung Utara) ». BAREKENG : Jurnal Ilmu Matematika dan Terapan 14, no 3 (11 octobre 2020) : 425–34. http://dx.doi.org/10.30598/barekengvol14iss3pp425-434.
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Tindak kriminal adalah kejahatan yang melanggar undang-undang suatu Negara atau melanggar norma yang berlaku dalam masyarakat. Pencurian merupakan salah satu bentuk dari perbuatan tindak kriminal. Dampak yang ditimbulkan dari adanya pencurian adalah perasaan kurang aman, takut, dan tenang. Salah satu model yang digunakan untuk memprediksi jumlah kasus pencurian yaitu model time series. Model time series adalah serangkaian nilai pengamatan yang diambil selama periode waktu tertentu. Pada umumnya, dalam interval-interval yang sama panjang, (Spuege & Stephens, 2004). Penelitian ini bertujuan memodelkan data tindak kriminal yang terjadi di Lampung Utara dengan model Autoregressive (AR), Moving Average (MA), dan Autoregressive Integrated Moving Average (ARIMA). Selanjutnya dari model terbaik akan digunakan untuk peramalan 6 bulan kedepan. Hasil penelitian model AR , model AR , model MA , ARIMA , dan model ARIMA . Model MA memiliki koefisien parameter yang signifikan, memenuhi uji diagnostic tidak adanya residual pada model dan memiliki nilai RMSE dan AIC terkecil dengan nilai RMSE sebesar dan nilai AIC sebesar . Hasil prediksi model MA untuk 6 bulan ke depan cenderung mendatar.
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Di Giuseppe, Helga. « Un confronto tra l'etruria settentrionale e meridionale dal punto di vista della ceramica a vernice nera ». Papers of the British School at Rome 73 (novembre 2005) : 31–84. http://dx.doi.org/10.1017/s006824620000297x.
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UN CONFRONTO TRA L'ETRURIA SETTENTRIONALE E MERIDIONALE DAL PUNTO DI VISTA DELLA CERAMICA A VERNICE NERAQuesto articolo propone una comparazione dell'Etruria settentrionale e meridionale dal punto di vista del ‘comportamento’ della ceramica a vernice nera, il principale fossile guida dell'età repubblicana e tra i principali indicatori della conquista romana e dell'integrazione dei popoli dell'Italia antica. La base documentaria da cui parte lo studio è costituita dalla ceramica a vernice nera proveniente dallo scavo del teatro romano di Volterra, sito in località di Vallebuona, e dalla South Etruria Survey condotta tra gli anni Cinquanta e Settanta da John Ward-Perkins e la sua équipe. La confrontabilità dei due contesti risiede nel fatto che, pur essendo essi stati indagati con tipi di ricerca differenti — uno scavo e una ricognizione — hanno entrambi restituito materiale residuo rappresentato da un numero di frammenti (ca. 11.000, precisamente 3.972 da Volterra e 6.985 dalla South Etruria Survey) sufficientemente significativo dal punto di vista statistico e cronologico, coprendo l'intero arco di produzione e d'uso della classe (IV–I secolo a.C). L'articolo è strutturato in diverse sezioni: una premessa in cui vengono esplicitate le finalità del lavoro, una discussione sui diversi approcci allo studio della ceramica a vernice nera, l'analisi del caso di Volterra, l'analisi del caso dell'Etruria meridionale e la comparazione finale delle due aree. Lo strumento principale di analisi è costituito da un approccio quantitativo che include la cronologia, le produzioni e le forme in uso nelle due aree. Attraverso i momenti di crescita e crollo della ceramica si cercherà di comprendere non solo la storia della sua produzione, ma anche di leggere i più ampi fenomeni storici alla base dei risultati diversi ottenuti nei due comprensori dell'Etruria.
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Kusche, M., U. Lindahl, L. Enerbäck et L. Rodén. « Identification of oversulphated galactosaminoglycans in intestinal-mucosal mast cells of rats infected with the nematode worm Nippostrongylus brasiliensis ». Biochemical Journal 253, no 3 (1 août 1988) : 885–93. http://dx.doi.org/10.1042/bj2530885.
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The oversulphated galactosaminoglycans synthesized by rat mucosal mast cells were isolated from the small intestine of animals infected with the nematode Nippostrongylus brasiliensis, which causes proliferation of these cells. The 35S-labelled polysaccharides were degraded by digestion with chondroitinase ABC, and the structures of the disaccharide products were determined by cleavage with mercuric acetate followed by electrophoretic characterization of the resultant sulphated monosaccharides. It was concluded that about half of the disulphated disaccharide units in the polysaccharide consisted of chondroitin sulphate E-type structures [GlcA-GalNAc(4,6-di-OSO3)], in which both sulphate groups were located on the N-acetylgalactosamine unit. The remainder consisted of isomeric structures with one sulphate group on the N-acetylgalactosamine residue and one on the hexuronic acid unit and presumably represented the dermatan sulphate-type sequence [IdoA(2-OSO3)-GalNAc(4-OSO3)].
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Novianti Dwi PujiAstuti et Suwanda. « Evaluasi Model Exponential Generelized Autoregressive Conditional Heteroscedastic (EGARCH) ». Bandung Conference Series : Statistics 2, no 2 (29 juillet 2022) : 358–64. http://dx.doi.org/10.29313/bcss.v2i2.4365.
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Abstract. In time series data that has a fairly high volatility, it is possible to have an error variance that is not constant (Heteroscedasticity). This is reflected in the square of error that also follows the time series model, for example the autoregressive (AR) model and the expectation of the conditional error square is not constant, the AR model of the square of error is called the Autoregressive Conditional Heteroscedastic (ARCH). The AR model that combines time series data and squared error is called Generalized Autoregressive Conditional Heteroscedastic (GARCH). However, the GARCH model ignores the asymmetric effect on the data. So Nelson (1991) developed the GARCH model to overcome the asymmetric problem with the Exponential GARCH model. The purpose of this study was to determine the symptoms of the EGARCH model and apply the EGARCH model in stock price index data at PT. Bank X in Indonesia. The data used is closing price data for the period January 2019 – December 2021. The results show that the Residual from GARCH(2.0) is used to test the effect of asymmetry. The best model used for forecasting based on the comparison results of MAPE, AIC and SIC values from several other models is the EGARCH(2,1) model.
Abstrak. Pada data deret waktu yang memiliki volatilitas cukup tinggi dimungkinkan memiliki varian error menjadi tidak konstan (Heteroskedastisitas). Hal ini tercermin dari kuadrat error yang juga mengikuti model deret waktu, misal model autoregressive (AR) dan ekpektasi kuadrat error bersyarat tidak konstan, model AR dari kuadrat error disebut Autoregressive Conditional Heteroscedastic (ARCH). Model AR yang menggabungkan data deret waktu dan kuadrat error disebut Generalized Autoregressive Conditional Heteroscedastic (GARCH). Namun model GARCH mengabaikan efek asimetris pada data. Sehingga Nelson (1991) mengembangkan model GARCH untuk mengatasi permasalahan asimetris dengan model Exponential GARCH. Tujuan dari penelitian ini adalah untuk mengetahui gejala model EGARCH dan menerapkan model EGARCH pada data indeks harga saham di PT. Bank X di Indonesia. Data yang digunakan merupakan data harga penutupan selama periode Januari 2019 – Desember 2021. Hasilnya menunjukkan bahwa Residual dari GARCH(2,0) dipakai untuk menguji pengaruh asimetri. Model terbaik yang digunakan untuk peramalan berdasarkan hasil perbandingan nilai MAPE, AIC maupun SIC dari beberapa model lainnya ialah model EGARCH(2,1).
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Firrito, Claudia, Cinzia Bertelli, Annachiara Rosa, Ajit Chande, Swetha Ananth, Hannah van Dijk, Oliver T. Fackler et al. « A Conserved Acidic Residue in the C-Terminal Flexible Loop of HIV-1 Nef Contributes to the Activity of SERINC5 and CD4 Downregulation ». Viruses 15, no 3 (28 février 2023) : 652. http://dx.doi.org/10.3390/v15030652.
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The host transmembrane protein SERINC5 is incorporated into retrovirus particles and inhibits HIV-1 infectivity. The lentiviral Nef protein counteracts SERINC5 by downregulating it from the cell surface and preventing its incorporation into virions. The ability of Nef to antagonize the host factor varies in magnitude between different HIV-1 isolates. After having identified a subtype H nef allele unable to promote HIV-1 infectivity in the presence of SERINC5, we investigated the molecular determinants responsible for the defective counteraction of the host factor. Chimeric molecules with a subtype C Nef highly active against SERINC5 were constructed to locate Nef residues crucial for the activity against SERINC5. An Asn at the base of the C-terminal loop of the defective nef allele was found in place of a highly conserved acidic residue (D/E 150). The conversion of Asn to Asp restored the ability of the defective Nef to downregulate SERINC5 and promote HIV-1 infectivity. The substitution was also found to be crucial for the ability of Nef to downregulate CD4, but not for Nef activities that do not rely on the internalization of receptors from the cell surface, suggesting a general implication in promoting clathrin-mediated endocytosis. Accordingly, bimolecular fluorescence complementation revealed that the conserved acidic residue contributes to the recruitment of AP2 by Nef. Altogether, our results confirm that Nef downregulates SERINC5 and CD4 by engaging a similar machinery and indicates that, in addition to the di-leucine motif, other residues in the C-terminal flexible loop are important for the ability of the protein to sustain clathrin-mediated endocytosis.
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Azmi, Ulil, et Wawan Hafid Syaifudin. « Peramalan Harga Komoditas Dengan Menggunakan Metode Arima-Garch ». Jurnal Varian 3, no 2 (30 avril 2020) : 113–24. http://dx.doi.org/10.30812/varian.v3i2.653.
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Emas, Tembaga dan Minyak merupakan jenis komoditas yang banyak diincar oleh para investor untuk menanamkan modal dengan cara melakukan investasi pada jenis komoditas tersebut. Prediksi harga komoditas sangat bermanfaat bagi investor untuk melihat prospek investasi komoditas pada suatu perusahaan di masa yang akan datang. Harga komoditas memiliki karakteristik data yang tidak stabil atau sering disebut volatilitas. Untuk mengatasi permasalahan tersebut, dilakukan peramalan dengan metode ARIMA dan ARIMA-GARCH. Dipilih dua metode tersebut karena dua metode ini cocok untuk meramalkan sesuatu yang memiliki data history yang kuat. Metode ARIMA ARCH-GARCH lebih cocok digunakan untuk data-data yang memliki volatilitas yang tinggi atau terdapat heteroskedastisitas pada residual data, sehingga hasil prediksi lebih akurat. Hal ini dibuktikan dengan nilai AIC lebih kecil dari pada hanya menggunakan metode ARIMA. Model terbaik untuk komoditas Emas adalah ARIMA(0,1,1) – GARCH(1,1) sedangkan komoditas tembaga memiliki model terbaik yaitu ARIMA(2,1,2) – GARCH(1,1) dan komoditas minyak yaitu ARIMA(1,1,1) – GARCH(0,1). Nilai MAPE (Mean Absolute Percentage Error) untuk masing-masing komoditas berturut-turut adalah 1,113; 0,542 dan 1,158 untuk Emas, Tembaga dan Minyak.
Thèses sur le sujet "Residui di APC"
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OLIVIERI, TOMMASO. « Metodi innovativi di up-grading per biogas ». Doctoral thesis, 2014. http://hdl.handle.net/2158/871528.
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Il lavoro descritto in questa tesi di Dottorato concerne lo sviluppo di due metodi innovativi di upgrading del biogas. La progettazione e la realizzazione di due dispositivi in scala pilota ha consentito di indagare due sistemi innovativi di rimozione della CO2, ovvero il processo di Assorbimento con Rigenerazione, basato sull’assorbimento chimico della CO2 con soluzioni alcaline e rigenerazione della soluzione di lavaggio con residui da APC, e il processo di Adsorbimento, basato sulla reazione chimica della CO2 con scorie di fondo da inceneritore. Nella fase iniziale sono stati abbinati gli studi teorici sull’argomento all’analisi delle prove sperimentali in scala di laboratorio presenti in letteratura e/o realizzate dai gruppi di ricerca partner di progetto. Questa fase ha portato all’individuazione delle specifiche tecniche e delle configurazioni di lavoro necessarie per il dimensionamento, la progettazione e la realizzazione degli impianti pilota. L'aspetto innovativo dei due processi è dato dall’applicazione di metodi di rimozione di anidride carbonica dal biogas accompagnato dal suo stoccaggio in fase solida, in modo da non emettere di nuovo all'atmosfera l'anidride carbonica rimossa, la quale essendo di origine biogenica può contribuire come emissione negativa per l'equilibrio serra complessivo. Le prove sperimentali dei due processi sono state condotte in scala pilota utilizzando per il trattamento il gas di discarica spillato da una sottostazione all’interno dell’impianto di discarica di Casa Rota situato a Terranuova Bracciolini. Tali test sperimentali hanno consentito di valutare le prestazioni, l’effettivo raggiungimento degli standard proposti da alcune nazioni europee nelle configurazioni di lavoro in studio e l’utilizzo in medio-larga scala dei due processi utilizzando impianti pilota appositamente progettati e realizzati in ambito del progetto europeo LIFE UPGAS-LOWCO2. Dall’analisi tecnico-economica dei risultati di queste campagne sperimentali è stato ideato un sistema che abbina i due processi studiati singolarmente. Dunque sono stati aggiornati i dispositivi in scala pilota per la conduzione di ulteriori campagne sperimentali, in ambito del progetto ministeriale TECGAS, volte a dimostrare la fattibilità tecnica ed estrarre i parametri che maggiormente influenzano il processo.
Actes de conférences sur le sujet "Residui di APC"
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Ukwattage, Ajith K., et Ajit Achuthan. « Development of residual stress of parts fabricated via selective laser melting (SLM) techniques under di erent scanning strategies ». Dans 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Reston, Virginia : American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-0090.
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