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Journal articles on the topic 'Stati stabili alternativi'

Author: Grafiati

Published: 9 March 2023

Last updated: 31 July 2025

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1

Secrieru, Alexandru. "Particularităţile regimului contractual al locaţiunii în legislaţia diferitor state, a opt state europene cu diferite nivele de dezvoltare." Studii Juridice Universitare, no. 3-4 2020 (December 28, 2020): 237–43. https://doi.org/10.5281/zenodo.4608387.

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<strong>Peculiarities of the Contractual Lease Regime in the Legislation of Different States, of Eight European States With Different Levels of Development </strong> Real estate location is sometimes the real alternative to temporary ownership in many countries. A small proportion of real estate, namely rented housing hinders the efficiency of the real estate market. The reasons for this may be of different natures, but certainly most of them are of a legal nature. A real estate lease must be legally protected, stabile, flexible, and accessible to tenants. This article examines some key l

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Sari, Dyah Intan, Subiyantoro Subiyantoro, and Mila Fauziyah. "Desain sistem pengisian daya pada solar e-bike menggunakan metode PI." JURNAL ELTEK 19, no. 1 (2021): 101. http://dx.doi.org/10.33795/eltek.v19i1.275.

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Energi surya dapat digunakan sebagai energi alternatif yang akan dikonversi menjadi listrik untuk mengurangi penggunaan energi fosil menggunakan sel surya. Oleh karena itu sistem pengisian baterai 24V 7.5 AH menggunakan sel surya 30 WP. Keluaran sel surya dipengaruhi oleh intensitas sinar matahari, menyebabkan tegangan dan keluaran sel surya tidak stabil. Maka dilakukan kontrol sehingga tegangan output dari sel surya yang tidak stabil akan diubah menjadi tegangan yang stabil sesuai set point menggunakan kontrol Proportional Integral (PI). Tegangan yang berubah dari sel surya setelah memasuki b

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3

Pappalardo, Adriano. "IL SISTEMA PARTITICO ITALIANO FRA BIPOLARISMO E DESTRUTTURAZIONE." Italian Political Science Review/Rivista Italiana di Scienza Politica 31, no. 3 (2001): 561–600. http://dx.doi.org/10.1017/s0048840200029841.

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Introduzione Dal 1994, la transizione italiana ha dato luogo a due interpretazioni. Con varie sfumature, alcuni hanno posto il cambiamento in un contesto di continuità: più o meno come sempre, elettori stabili e ideologizzati sarebbero stati «trainati», dentro e fuori dai principali schieramenti, da partiti precocemente riconsolidati dopo i traumi dei primi anni novanta; a questi partiti, e ai loro eredi, rimangono sostanzialmente affidate le sorti delle coalizioni, incentivate dal sistema elettorale, ma cronicamente fragili perché troppo frammentate e/o eterogenee; dato il fenomeno delle «est

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Schmidt, Benedikt R., Raluca I. Băncilă, Tibor Hartel, Kurt Grossenbacher, and Michael Schaub. "Shifts in amphibian population dynamics in response to a change in the predator community." Ecosphere 12, no. 5 (2021): e03528. https://doi.org/10.5281/zenodo.5554021.

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<strong>Abstract</strong> Predation can affect prey behavior, demography, abundance, and distribution, particularly in lentic freshwater ecosystems. Fish are predators known to reduce the abundance of their prey and to restrict the distribution of species. Using time series which spanned 43 and 22 yr, respectively, we analyzed the effect of a change in the fish predator community on the dynamics of two pond-breeding amphibian populations (<em>Rana temporaria</em> and <em>Rana dalmatina</em>). Specifically, we used a state-space time series model which allows for density dependence and observat

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N., A. M. Kamari, Musirin I., A. Hamid Z., and A. Ibrahim A. "Optimal Tuning of SVC-PI Controller using Whale Optimization Algorithm for Angle Stability Improvement." Indonesian Journal of Electrical Engineering and Computer Science 12, no. 2 (2018): 612–19. https://doi.org/10.11591/ijeecs.v12.i2.pp612-619.

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This paper proposed a new swarm-based optimization technique for tuning conventional proportional-integral (PI) controller parameters of a static var compensator (SVC) which controls a synchronous generator in a single machine infinite bus (SMIB) system. As one of the Flexible Alternating Current Transmission Systems (FACTS) devices, SVC is designed and implemented to improve the damping of a synchronous generator. In this study, two parameters of PI controller namely proportional gain, KP and integral gain, KI are tuned with a new optimization method called Whale Optimization Algorithm (WOA).

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6

Diego, Carrión, Ayo Alex, and W. González Jorge. "Alternative Under Frequency Load Disconnection Methodology Based on Semi-Adaptative Model." Enfoque UTE 11, no. 1 (2020): 96–107. https://doi.org/10.29019/enfoque.v11n1.587.

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Stability analysis in electrical power systems is based on the study, in dynamic state, of the voltage and frequency, because when there is some contingency it fluctuates drastically due to the primary and secondary controls of the voltage and frequency to the power systems that act on the generators. In order to solve the possible stability problems that may arise in power systems, various techniques have been developed that act on the generating machines for their protection, as well as on the loads for the power cut. The present resarch proposes an alternative methodology for load disconnec

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Mohammed, Salheen Alatshan, Alhamrouni Ibrahim, Sutikno Tole, and Jusoh Awang. "Application of static synchronous compensator and energy storage system for power system stability enhancement." Bulletin of Electrical Engineering and Informatics 9, no. 6 (2020): 2222–34. https://doi.org/10.11591/eei.v9i6.2319.

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The major drivers of the quest for optimal placement of flexible alternating current transmission system (FACTS) devices are the quest for smart grids and economic indicators. The demand for energy and power stability will continue much as the astronomic growth in industries and increase in global population remains. The aim of this paper is to deliver a panoramic view of the use of static synchronous compensator (STATCOM) in combination with energy storage system (ESS) in order to enhance power stability. In this paper, it was observed that application of ESS is an important factor in attaini

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8

KHOIRUNNISA, HILDA, FITRIA SURYATINI, ADHITYA SUMARDI SUNARYA, AFAF FADHIL RIFAI, ANGGRAENI MULYADEWI, and SENDI DIKA PRASENDA. "Rancang Bangun Fuzzy-PID Controller pada Ball Balancing Table dengan Universal Joint berbasis NI MyRIO dan LabVIEW." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 11, no. 4 (2023): 1089. http://dx.doi.org/10.26760/elkomika.v11i4.1089.

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ABSTRAKMenyeimbangkan objek dinamis yang tidak stabil adalah salah satu masalah yang paling relevan dalam pembangunan sistem kendali otomatis. Metode ini dapat menghasilkan penelitian tentang efek dari suatu sistem kendali otomatis, atau melakukan pengaturan kendali pada suatu plant. Pada penelitian ini, akan dijelaskan bagaimana merancang sebuah ball balancing table (BBT) dan mengimplementasikan sistem kontrol otomasi ke dalamnya dengan menggunakan metode Fuzzy Logic dan PID Controller. Pada penelitian ini didapatkan kesimpulan bahwa pemasangan kendali Fuzzy Logic dan PID Controller memiliki

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9

Ahamefule, Henry, Ridwan Taiwo, Mathew Amana, et al. "Salinity Status of Osere River for Irrigation: Long Term Use Implication in Selected Farmers' Field in Ilorin, Nigeria." Bulgarian Journal of Soil Science® 4, no. 1 (2019): 55–68. https://doi.org/10.5281/zenodo.3250853.

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Osere River is one of the important rivers that serves as a cheaper and easier disposal alternative to industries and at the same time a less expensive and dependable water supply to farmers for dry season vegetable production in Ilorin, the capital city of Kwara State, Nigeria. The edaphic aftermath of the use of its water for irrigation was investigated using a Randomized Complete Block Design (RCBD) in a two way factorial experiment. Factors comprised of fifty meter distance intervals (50 and 100 m) downstream and a control (50 m upstream) of a soap industry effluent discharge point and irr

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10

Bandini, S., M. Gallo, L. Caroti, N. Paudice, and L. Moscarelli. "Iperparatiroidismo ipercalcemico post-trapianto renale: un problema per il nefrologo." Giornale di Clinica Nefrologica e Dialisi 23, no. 4 (2018): 1–6. http://dx.doi.org/10.33393/gcnd.2011.1490.

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Descriviamo un caso di una paziente dializzata, sottoposta a paratiroidectomia pre-trapianto: la PTX non è stata risolutiva per mancato reperimento della IV ghiandola; a 6 mesi dall'intervento si è manifestata, infatti, una recidiva dell'iperparatiroidismo. Nel frattempo si è presentata la possibilità di eseguire un trapianto renale. Nonostante la “recidiva” dell'IPT, è stato deciso di optare per il trapianto renale che è stato effettuato con successo e con recupero precoce della funzione renale: si è manifestato, però, nel post-trapianto, un iperparatiroidismo residuale ipercalcemico. Di fron

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11

Pavlo, Novikov, Shtifzon Oleg, Bunke Olexander, and Batiuk Sergii. "Selecting a method for the parametric adaptation of pi-controller in the control systems of boiler assemblies at thermal power stations with supercritical parameters." Eastern-European Journal of Enterprise Technologies 2, no. 2 (116) (2022): 61–68. https://doi.org/10.15587/1729-4061.2022.254116.

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In the context of the growing share of renewable energy sources, the role of thermal power plants (TPPs) as means of balancing the daily power demand curve is increasing. During the day, the load on working units varies widely. Boiler assemblies of these power units undergo changes in their dynamic characteristics when the load changes. Control systems must, regardless of the mode of operation, meet requirements for the quality of operation. This paper has analyzed the latest research and advancements in the field of synthesis of adaptive and robust control systems for inertial contours of dir

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12

Chandarahasan, Chelladurai, and Edwin Sheeba Percis. "Optimizing resilience in large-scale integration of renewable energy sources: Exploring the role of STATCOM device." International Journal of Power Electronics and Drive Systems (IJPEDS) 15, no. 3 (2024): 1468–77. https://doi.org/10.11591/ijpeds.v15.i3.pp1468-1477.

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Modern power grids in regions with high renewable energy sources face unique challenges. Incorporating renewable energy, like wind and solar, can cause voltage, frequency, and power fluctuations, leading to instability. This study focuses on Tamil Nadu's extra high voltage transmission system, which has significant wind generation. It explores the impact of large-scale renewable energy integration and proposes the use of static synchronous compensators (STATCOM), a part of flexible alternating current transmission systems (FACTS). STATCOM actively monitors and controls the grid, ensuring stabi

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13

Sida-Arreola, Juan Pedro, Paul Baruk Zamudio-Flores, Rogelio Calderón-Loera, et al. "Effect of oxidation and crosslinking on functional, rheological and thermal properties of oat and apple starches." Emirates Journal of Food and Agriculture 36 (May 30, 2024): 1–13. https://doi.org/10.3897/ejfa.2024.119658.

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Oat (Oa) and apple (Ap) starches were isolated and chemically modified by oxidation with 10% NaOCl to obtain oxidized starches (OOa and OAp), followed by cross-linking with a mixture of 5.6 g of sodium tripolyphosphate and 11 g of sodium trimetaphosphate to obtain doubly modified starches (OCOa and OCAp). In the native and modified starches, the functional properties (swelling power and solubility, and freeze-thaw stability) and thermal and rheological properties (steady-state flow curves and paste formation profile) were evaluated. The swelling power of native and double modified starches var

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14

SKACHKOV, V. "SOLUTION OF THE PROBLEM OF COMPUTATIONAL STABILITY AND CONSISTENCY OF SAMPLE ESTIMATES OF THE CORRELATION MATRIX OF OBSERVATIONS BY THE METHOD OF DYNAMIC REGULARIZATION." Digital Technologies 26 (2019): 47–60. http://dx.doi.org/10.33243/2313-7010-26-47-60.

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The problem of forming sample estimates of the correlation matrix of observations that satisfy the criterion "computational stability – consistency" is considered. The variants in which the direct and inverse asymptotic forms of the correlation matrix of observations are approximated by various types of estimates formed from a sample of a fixed volume are investigated. The consistency of computationally stable estimates of the correlation matrix for their static regularization was analyzed. The contradiction inherent in the problem of regularization of the estimates with a fixed parameter is r

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15

Wartana, I. Made, Ni Putu Agustini, and Sasidharan Sreedharan. "Optimal integration of wind energy with a shunt-FACTS controller for reductions in electrical power loss." Indonesian Journal of Electrical Engineering and Computer Science 23, no. 1 (2021): 41–53. https://doi.org/10.11591/ijeecs.v23.i1.pp41-53.

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The integration of distributed generators (DGs) with flexible alternating current transmission systems (FACTS) can improve the performance of the grid system. In this study, we determine the location and optimal size of one type of DG, based on wind energy, with a shunt-FACTS control device called a static var compensator (SVC). The voltage profile is increase and the power loss reduced due to an improvement in performance from the maximizing load bus system scenario. Newton-Raphson power flow with a wind turbine generator (WTG) and SVC are formulated as a multi-objective problem called MLB sy

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16

Hikmata, Sandy Angga, and Muhamad Syauqillah. "Ketahanan Energi Gas Alam Turki Pasca Konstruksi Tanap (Trans-Anatolian Pipeline)." JURNAL PERSPEKTIF EKONOMI DARUSSALAM 5, no. 2 (2019): 199–226. http://dx.doi.org/10.24815/jped.v5i2.13969.

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Abstrak Penelitian ini mengkaji tentang perubahan ketahanan energi Turki setelah TANAP (Trans-Anatolian Pipeline) berhasil dibangun di Turki pada Juni 2018. TANAP merupakan proyek yang dibangun atas kerjasama Turki dan Azerbaijan. Turki merupakan negara dengan kebutuhan energi yang sangat tinggi dan kebutuhan ini meningkat sebanyak 8% per tahunnya. Untuk memenuhi kebutuhan energinya, Turki sangat bergantung pada distribusi energi dari Rusia dalam bentuk gas alam. Namun, hubungan yang tidak stabil antara Rusia dan Ukraina membuat distribusi energi dari Rusia sering terhambat dan besarnya keterg

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17

Larysa, Pedchenko, and Pedchenko Mykhailo. "Increasing the thermal resistance of shell gas-support structures for use as gas hydrates storages." Technology audit and production reserves 3, no. 1(65) (2022): 27–33. https://doi.org/10.15587/2706-5448.2022.259738.

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<em>Currently, in the world and Ukraine there are difficulties with the provision of natural gas. However, one of the problems is its storage. So, the object of research is the process of storing natural gas in land storages in gas hydrate form. An alternative to traditional technologies can be the transportation and long-term storage of natural gas in the form of gas hydrates. However, the existing reinforced concrete and metal structures, in addition to a significant price, also cannot sufficiently provide effective thermal insulation of the gas hydrate and its tightness.</em> <em>The paper

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18

Kulakov, A. "CLEAN NANOENERGY AND NANOTECHNOLOGIES OF THE NEW TECHNOLOGICAL ORDER CREATE A CLEAN CLIMATE ON PLANET EARTH." Norwegian Journal of development of the International Science, no. 102 (February 11, 2023): 38–42. https://doi.org/10.5281/zenodo.7642931.

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<strong>Abstract</strong> Very high cost of energy when using existing industrial technologies resources remain, due to their imperfection and the need to heat almost all fixed assets, as well as the lack of resources to restore the disturbed balance between the biosphere and the technosphere, caused by the lack of highly efficient cycle technologies: mining, production of useful products from them, rational use of these products and and finally, their disposal. Of what is mined from the ground, 95% is either used for intermediate consumption or buried. The world is in a state where the enviro

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Salahuddin, Hana, and Tracy Prowse. "Multi-tissue Analysis of Breastfeeding and Weaning in Iron Age (Seventh–Fourth c. B.C.) South Italy." Bioarchaeology International, May 17, 2023. http://dx.doi.org/10.5744/bi.2023.0001.

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In this study, we investigate breastfeeding and weaning patterns using stable isotope analysis of multipletissues—deciduous and permanent dentin, ribs, and femora—from two Iron Age (seventh–fourth century B.C.) sites in southern Italy. In addition to exploring general patterns of infant and childhood feeding in these samples, our objectives are to determine if weaning occurred earlier among individuals who did not survive childhood, and to examine variability in stable isotope data between dentin and bone samples within the same individual. To address these objectives, δ 15N and δ 13C da

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20

Khoshnaw, Khalid Hama Saleh, and Ercelebi Ergun. "Transient Stability Improvement in Multi-Machine System Using Power System Stabilizer (PSS) and Static Var Compensator (SVC)." October 2, 2015. https://doi.org/10.5281/zenodo.1109916.

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Increasingly complex modern power systems require stability, especially for transient and small disturbances. Transient stability plays a major role in stability during fault and large disturbance. This paper compares a power system stabilizer (PSS) and static Var compensator (SVC) to improve damping oscillation and enhance transient stability. The effectiveness of a PSS connected to the exciter and/or governor in damping electromechanical oscillations of isolated synchronous generator was tested. The SVC device is a member of the shunt FACTS (flexible alternating current transmission system)

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21

Suaudeau, Jacques. "Le cellule staminali: dall’applicazione clinica al parere etico Parte I. Le cellule staminali embrionali." Medicina e Morale 55, no. 4 (2006). http://dx.doi.org/10.4081/mem.2006.346.

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Otto anni dopo l'inizio della ricerca sulle cellule staminali umane, sembra essere arrivato il momento di considerare oggettivamente quale possa essere il futuro di tale ricerca, e quali siano i problemi etici collegati. In questo articolo sono considerate le cellule staminali embrionali (ES) a livello tecnico e clinico. L'interesse particolare di tali cellule risiede nella loro capacità di continua proliferazione indifferenziata e di stabile sviluppo potenziale in un’ampia tipologia di cellule, anche dopo una coltura prolungata. Numerosi lavori mostrano, in particolare, che le cellule ES poss

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22

Ferry, Nicolas, Stéphane Dray, Hervé Fritz, et al. "Long-term high densities of African elephants clear the understorey and promote a new stable savanna woodland community." October 12, 2021. https://doi.org/10.5281/zenodo.5564836.

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Dataset and script associated to the journal article "Long-term high densities of African elephants clear the understorey and promote a new stable savanna woodland community". The dataset encompass the assessment of all woody plants in 12 vegetation plots of the Hwange National Park, Zimbabwe. For each plant, species and morphological characteristic (height, crown diameter, DBH) were recorded, as well as impact of elephants. The dataset also incorporates data gathered from the TRY database and processed to be used in this work. Finally, the script associated with the analysis of the

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23

Grainger, Andrew D., and David L. Andrews. "Postmodern Puma." M/C Journal 6, no. 3 (2003). http://dx.doi.org/10.5204/mcj.2199.

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Postmodernism is supposed to identify the conditions of contemporary cultural production when human affairs in general, and the dissemination of prevailing ideas in particular, have become fully enmeshed in relations of commodity exchange. (Martin 2002, p. 30) The accumulation of capital within industrial economies keyed on the surplus value derived from the production of raw materials into mass manufactured products, and their subsequent exchange in the capitalist marketplace. Within what Poster (1990) described as the contemporary mode of information , surplus capital is generated from the m

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24

Jeziński, Marek, and Łukasz Wojtkowski. "To Grunge or Not to Grunge on the Periphery? The Polish Grunge Scene of the 1990s and the Assimilation of Cultural Patterns." M/C Journal 21, no. 5 (2018). http://dx.doi.org/10.5204/mcj.1479.

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Introduction – Polish GrungeThe main objective of this article is to examine the grunge scene of the 1990s in Poland in the context of acculturation and assimilation processes. Polish grunge was, on the one hand, the expression of trends that were observable in music industry since the late 1980s. On the other hand, it was symptomatic of a rapid systemic transformation. Youth culture was open for the diffusion of cultural patterns and was ready to adopt certain patterns from the West.Thus, we suggest that the local grunge scene was completely modelled on the American one: the flow of cultural

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