Artigos de revistas: "Value cycle"

1

Cohan, Peter. "Riding the value cycle". Business Strategy Review 19, n.º 2 (junho de 2008): 36–41. http://dx.doi.org/10.1111/j.1467-8616.2008.00533.x.

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O’Connell, Brendan F. "Clairvoyant Value II: The Growth/Value Cycle". CFA Digest 40, n.º 1 (fevereiro de 2010): 66–67. http://dx.doi.org/10.2469/dig.v40.n1.45.

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Arnott, Robert D., Feifei Li e Katrina F. Sherrerd. "Clairvoyant Value and the Growth–Value Cycle". Journal of Portfolio Management 35, n.º 4 (31 de julho de 2009): 142–57. http://dx.doi.org/10.3905/jpm.2009.35.4.142.

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Ullah, Hassan Qudrat, e Victor L. Kane. "Value cycle model: managing value through stakeholder management". International Journal of Value Chain Management 4, n.º 1/2 (2010): 153. http://dx.doi.org/10.1504/ijvcm.2010.031807.

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Jaafar, Hartini, e Hazianti Abdul Halim. "Refining the Firm Life Cycle Classification Method: A Firm Value Perspective". Journal of Economics, Business and Management 4, n.º 2 (2016): 112–19. http://dx.doi.org/10.7763/joebm.2016.v4.376.

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Morenz, Danilo Antonio, Mirton José Frota Morenz, Domingos Sávio Campos Paciullo, Carlos Augusto De Miranda Gomide, Francisco José da Silva Lédo e Fernando César Ferraz Lopes. "Agronomic characteristics and nutritive value of elephant grass clones managed under rotational stocking during the dry period". Semina: Ciências Agrárias 38, n.º 6 (23 de novembro de 2017): 3817. http://dx.doi.org/10.5433/1679-0359.2017v38n6p3817.

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This study aimed to evaluate the agronomic characteristics and nutritional value of two clones of elephant grass (CNPGL 00-1-3 and BRS Kurumi) operating under rotational stocking in the dry season. A completely randomized design with repeated measures (grazing cycles) and three replicates (paddocks) was used. Clones were managed under rotational stocking with a defoliation interval of 24 days and four days of occupation of paddocks, using Holstein x Gyr heifers with mean body weight of 150 kg. The evaluations were conducted in April/May, May/June, June/July and July/August 2010. Green forage mass was influenced by clone and grazing cycle, with higher mean value observed for CNPGL 03-01-00, which was 17% higher than the value observed for BRS Kurumi, and there was decreased of dry mass of green forage with the advance of grazing cycles. Leaf mass was influenced only by grazing cycle, with gradual reduction from the first to the third cycle. However, in fourth cycle was increase in biomass of leaves, which did not differ from that observed in the second cycle. There was interaction for dry matter production of stem, being observed differences in the first and third cycles for the clones. There was no effect of the factors studied for the production of senescent material. The leaf:stem ratio was influenced by grazing cycles, with interaction of the factors studied. The clone BRS Kurumi kept the leaf:stem ratio stable over the cycles, while clone CNPGL 1-3-00 presented a decrease in leaf:stem ratio from first until to third cycle. The content of crude protein (PB) was not influenced by the factors studied, with average values of 15.3% and 15.8% PB for the CNPGL 00-1-3 and BRS Kurumi clones. Neutral detergent fiber (NDF) and the in vitro dry matter digestibility (IVDMD) were affected only by grazing cycles. The highest values of NDF were observed in the three first grazing cycles, with values of 55.5%, 56.0% and 55.7% from the first to the third grazing cycle, respectively, while in the fourth cycle was obtained the value of 50.5%. There was a decrease in the IVDMD until the third cycle. In the fourth cycle the IVDMD values were similar to the first cycle. The clones did not differ in relation to biomass production, morphological composition and nutritional value, during the dry season.

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Martono, Martono, Susanti Susanti e Suprapti Suprapti. "Application of Concept Maps and Critical Thinking Ability to Improve Writing Reports". JETL (Journal Of Education, Teaching and Learning) 2, n.º 2 (31 de outubro de 2017): 201. http://dx.doi.org/10.26737/jetl.v2i2.287.

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<p>This study was conducted in class VIII C SMP 21 Pontianak City in 2015/2016. The study focused on the material report. Materi subject matter for the report is required to master this material student. Students so that they can write a trip report or reports on the observed results. they report should refer to the nature report. The fact write in school, students have difficulty writing reports. efforts to improve the ability of students to write a report done by the application of concepts and critical thinking questions. The focus of this research is how the application of the concept maps and critical thinking in improving report writing capability class VIII C SMP 21 years of 2015/2016? The scope of the research is focused on a few sub focus namely research, planning, implementation, and the result. The research method is descriptive and qualitative research design form of class action. Results of research learning planning cycle 1 (APKG1) values obtained 85.00 (very good), 2 cycles values obtained 97.50 (very good). Learning implementation using APKG2, the activities of teachers in the first cycle, the first and second meetings have been categorized Very Good, with a value of 87.20. Activities teachers teach when the second cycle, the first meeting and the second is better, with a value of 88.80. If the student activity cycled see first, first and second meetings are very active and are included active. Good Cycle. This second, first and second meeting, there was an increase in the student activity is said to be better than the first. Every cycle and every member of the group to work independently and be careful in teaching. cycle values of individual students: the average is 79.39. There is a group formed in learning activities. The final average group value 84.00. Second cycle. Values of individual students from three aspects, the average is 79.39. value incomplete 26.8%. group value Rate Average 88.00. 87.56 absorptive capacity. There was an increase in the average value of cycle 1 to cycle 2, at 4. But the value of the individual is constant.</p>

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Ye, Wanjun, Yang Bai, Chenyang Cui e Xu Duan. "Deterioration of the Internal Structure of Loess under Dry-Wet Cycles". Advances in Civil Engineering 2020 (16 de julho de 2020): 1–17. http://dx.doi.org/10.1155/2020/8881423.

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To understand the structural damage evolution process of loess under the action of dry-wet cycles, a triaxial test of a dry-wet cycle was performed by considering three influencing factors: initial moisture content, amplitude of the dry-wet cycle, and number of dry-wet cycles. The stress-strain curves of undisturbed loess samples at different cycling times vary under different compacted loess cycles. Under the same axial strain, the stress value of the undisturbed loess is higher than that of the loess sample after a dry-wet cycle, indicating that such cycle can reduce the strength of loess. As the number and amplitude of dry-wet cycles increase, the shear strength of the loess sample and the value of cohesion (c) of the strength index gradually decrease, and the amplitude gradually decreases. With an increase in the number and amplitude of dry-wet cycles, the change in the internal friction angle of the strength index is inevident, indicating that the effect of dry-wet cycles on the internal friction angle of loess is insignificant. Computed tomography (CT) scan experiments were also conducted to obtain the evolution of loess cracks before and after a dry-wet cycle. Studies have shown that as the number and amplitude of dry-wet cycles increase, the mean (ME) value of CT decreases, the standard deviation (SD) value increases, and the ME value is obtained during the initial stage of a dry-wet cycle. Meanwhile, the decreasing trend of ME and the increasing trend of SD values are most evident during the period of a dry-wet cycle. In conclusion, dry-wet cycles promote the development of cracks.

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Yang, Xu, Qianxin Wang e Guobin Chang. "A Solution for Real-Time Ionospheric Delay Using an Adaptive Kalman Filter Based on Estimating the Variance Component". Mathematical Problems in Engineering 2018 (29 de agosto de 2018): 1–21. http://dx.doi.org/10.1155/2018/1721973.

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Real-time solution of Global Navigation Satellite System (GNSS) epoch-differenced ionospheric delay (DID) is of great significance for real-time cycle slip detection and repair of multi-GNSS dual-frequency or trifrequency undifferenced measurements under high ionospheric activity. We construct a dynamic model of DID and perform a real-time estimate of the noise level of DID based on estimating the variance component. The estimated and predicted values of DID are obtained by designing a new adaptive Kalman filter algorithm with colored noise. Combining the predicted value and the detection method for cycle slips for Melbourne-Wübbena (MW) and Geometry-Free (GF) combination and taking into account the correlation between the predicted value and the carrier signal, we estimate the cycle slip, N2, on the second frequency of the carrier signal. The prediction and estimate of DID and detection and repair of dual-frequency cycle slip of multisystem undifferenced phase observations are measured with the GNSS multisystem observational data at different sampling rates (30 s, 15 s, 10 s, and 1 s). The results show that the DID model constructed in this paper is correct. The predicted value of DID has a high accuracy, which can effectively assist in dual-frequency cycle slip detection and repair. (1) The obtained predicted values, the estimated value, and the difference value between the two values of DID are less than 1.2 cm (STD), 1.2 cm (STD), and 0.6 cm (STD), respectively; (2) the precisions of the detection of cycle slip for MW, GF, and N2 are less than 0.083 cycles (STD), 0.4 cm (STD), and 0.071 cycles (STD), respectively; (3) with the obtained predicted value of DID to aid the detection and repair of cycle slip in GNSS double-frequency signals, a success rate of 100% can be reached.

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Schillebeeckx, Simon Jan Dominiek, Anna Grosman, Jakob Haesler e Rashik Parmar. "Governance of the Big Data Value Cycle". Academy of Management Proceedings 2016, n.º 1 (janeiro de 2016): 16093. http://dx.doi.org/10.5465/ambpp.2016.16093abstract.

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Barber, Kevin D., Roger Beach e Judy Zolkiewski. "Environmental sustainability: a value cycle research agenda". Production Planning & Control 23, n.º 2-3 (8 de julho de 2011): 105–19. http://dx.doi.org/10.1080/09537287.2011.591621.

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12

Maffesoli, Michel. "Presentism ‐ or the value of the cycle". Cultural Values 2, n.º 2-3 (junho de 1998): 261–69. http://dx.doi.org/10.1080/14797589809359298.

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Asensio Ramos, A. "Extreme value theory and the solar cycle". Astronomy & Astrophysics 472, n.º 1 (2 de julho de 2007): 293–98. http://dx.doi.org/10.1051/0004-6361:20077574.

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14

Lugosi, Peter. "The value creation cycle of peer review". Annals of Tourism Research 86 (janeiro de 2021): 103092. http://dx.doi.org/10.1016/j.annals.2020.103092.

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Duval, Romain, Nan Li, Richa Saraf e Dulani Seneviratne. "Value-added trade and business cycle synchronization". Journal of International Economics 99 (março de 2016): 251–62. http://dx.doi.org/10.1016/j.jinteco.2015.11.001.

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16

Kalu, Emmanuel, Meen-Yau Thum e Hossam Abdalla. "Prognostic value of first IVF cycle on success of a subsequent cycle". Journal of Assisted Reproduction and Genetics 28, n.º 4 (8 de janeiro de 2011): 379–82. http://dx.doi.org/10.1007/s10815-010-9534-0.

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Wijanarko, April. "PENERAPAN PENDEKATAN KONTEKSTUAL UNTUK MENINGKATKAN KEMAMPUAN MENULIS SURAT PRIBADI". EDU-KATA 5, n.º 1 (28 de fevereiro de 2017): 71–78. http://dx.doi.org/10.52166/kata.v4i1.1008.

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The study design using the design of classroom action research ( CAR ), with two cycles. Methods and techniques of data analysis used is descriptive method descriptive qualitative and quantitative, using data collection techniques are engineering test and nontes. The results showed an increase in product value averaged 68.2 on prasiklus, in the first cycle an average of 72.2 after the second cycle of the average value of 88.5 with an increase in the percentage of completeness 30% on the value of the product prasiklus, then on I cycle 35%, and the second cycle of 100% completeness of product value. In terms of the results of evaluation carried out in two cycles showed an increase of the average value of 62 on prasiklus, the first cycleincreased to an average of 69, and the second cycle value increased to an average of 94.5 with a percentage of completeness of test scores 15% on prasiklus,the first cycle increased to 40%, and the second cycle to 100%, with an average value of the end of writing a personal letter reached 91.5.

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Karolewska, Karolina, e Bogdan Ligaj. "Verification of the method of equivalent amplitude determination based on two - parameter fatigue characteristic". MATEC Web of Conferences 182 (2018): 02022. http://dx.doi.org/10.1051/matecconf/201818202022.

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In the most causes the loads which are affected on structural components are various over time and their character changes is stochastic. The stochastic character of operational loads of construction elements in various machine types is depended on many factors, included : work forces variability, environmental conditions, physical properties of components etc. Fatigue life calculation for this type of loads are conducted on the basis of determined sinusoidal cycles set through to use of the cycles counting method. The cycles which are contained to the sinusoidal cycles set are characterized by extensive range of amplitude Sai variation and mean values Smi. Application of Sa-N curve in fatigue life calculations caused disregard of the cycle mean value. This may affect the accuracy of calculations. Taking into account the cycle mean value Sm in the calculations may be realized by determining a substitute cycle with an average value Sm=0 and a substitute amplitude Saz≠Sa.

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Wang, Chang Yuan, Kong Jian Qin, Jun Hua Gao, Jia Yan e Xue Hao Liu. "Research on the Construction and Testing of Typical Driving Cycles for Refuse Truck". Advanced Materials Research 718-720 (julho de 2013): 2457–62. http://dx.doi.org/10.4028/www.scientific.net/amr.718-720.2457.

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In this paper, the driving trajectories of refuse transfer truck and collector truck are tested by GPS data logger. Afterwards, the 15 characteristic values of refuse truck and 12 characteristic values of typical driving cycles are analyzed by velocity fragment characteristic value analysis. Finally, we find that if the highway cycle of C-WTVC is canceled and the ratio of velocity interval 20-60km/h is extended, this driving cycle can be used as the testing cycle of refuse transfer truck. The CCBC cycle can be used as the testing cycle of refuse collector truck.

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Sulistyaningrum, Dwi. "Meningkatkan Nilai-Nilai Moral Anak melalui Metode Cerita Di Kelompok Bermain Amanah Tlogowungu Pati". Al-Hikmah : Indonesian Journal of Early Childhood Islamic Education 1, n.º 2 (20 de dezembro de 2017): 137–54. http://dx.doi.org/10.35896/ijecie.v1i2.10.

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This study aims (1) To know the moral values of children aged 3-4 years in KB Amanah Guwo Tlogowungu Pati Lesson Year 2016/2017. (2) To know the improvement of moral values of children through the method of ceritadi KB Amanah Guwo Tlogowungu Pati Lesson Year 2016 / 2017. Metode this research using classroom action research. This research is conducted in two stages, that are cycle I and cycle II. The subjects of this study are students of Amanah Playgroup Group age 3-4 Guwo Tlogowungu Pati as many as 20 students. The results of this study indicate that storytelling can improve the moral values of children carried out with two cycles, the first cycle is done by telling stories directly, sikus II is done with the book cerita. From data analysis and observation through storytelling showed an increase from pre cycle 35% children which is complete in moral values, rises in the first cycle to 60%. It means an increase of 25%. And in the second cycle increased to 85% and an increase until 60%. The results achieved in cycle II already meet the determined completion target, which is 80% of the total children, they get the value with the category of the total value of 85. The increase of this average value proves that storytelling can improve the moral values of children.

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Silbergleit, Virginia Mabel. "Probable Value for the Next Sunspot Minimum". Advances in Astronomy 2014 (2014): 1–4. http://dx.doi.org/10.1155/2014/815065.

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Gumbel’s first distribution is applied to smoothed monthly mean sunspot numbers for solar cycles 10 to 24. According to that, the next minimum for solar cycle 24-25 transition would be the deepest solar minimum of the last 150 years. This study provides an additional insight about changes in the Sun which are currently happening.

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Indriaty, Tri. "Peningkatan Kemampuan Menulis Teks Berita melalui Metode Quantum Learning dengan Media Gambar Siswa Kelas VIIIE SMP Negeri 17 Surabaya". Jurnal Kajian Bahasa, Sastra dan Pengajaran (KIBASP) 1, n.º 2 (27 de junho de 2018): 223–36. http://dx.doi.org/10.31539/kibasp.v1i2.195.

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The purpose of this study is to determine the ability to write news text through the method of quantum learning by using the image media on the students of class VIIIE SMP Negeri 17 Surabaya. To achieve the objectives of research required instruments include: teacher activity observation sheets, student activity observation sheets, and student learning outcomes. The data obtained in this study is presented in table form and analyzed by description. Implementation of learning carried out in three learning cycles and in each cycle showed the increase of teacher activity and activity, the average value of students in each cycle also showed an increase in the number of average values, in the first cycle learning the average value of students is 62.92, the average of students in the second cycle of learning is 72, in the third cycle of learning is 80, so learning news writing through quantum learning method with the first cycle image media up to the third cycle shows the increase in the average value of students. Keywords: Writing Text News, Quantum Learning, Picture Media.

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Soudères, Ismael. "The cycle complex over P1 minus 3 points: Toward multiple zeta value cycles". Journal of Pure and Applied Algebra 220, n.º 7 (julho de 2016): 2590–647. http://dx.doi.org/10.1016/j.jpaa.2015.12.003.

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Ria, Eva, Asriani Abbas e Muhaammad Hasyim. "EFEKTIVITAS MODEL DIRECT INSTRUCTION DALAM MENINGKATKAN KEMAMPUAN SISWA SMA NEGERI 1 BATAUGA MEMAHAMI NILAI DALAM FOLKLORE WANDIUDIU". JURNAL ILMU BUDAYA 8, n.º 1 (22 de maio de 2020): 159. http://dx.doi.org/10.34050/jib.v8i1.9628.

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This study aims (1) to explain the application of the direct instruction model in improving the ability of students at SMS Negeri 1 batauga to understand the value of Wandiudiu’s folklore and (2) explain the effectivennes of the direct instruction model in improving the ability of students of SMA Negeri 1 Batauga to understand the value of Wandiudiu’s folklore. The type of research used is the type of classroom action research or commonly known as PTK (classroom action research). This class action research applies several cycles in it’s implementation. The results showed that there was an increase in student learning process. Learning out comes in the control class show differences. However, this difference does not indicate a significant increase in learning outcomes. Cycle I reaches an average value of 70,61 and cycle II reaches an average value of 72,04. The results of both cycles are only in the sufficient category. Learning outcomes in the experimental class showed significant differences. Cycle I reached an average value of 78, 87 and was in the sufficient category, while cycle II achieved an average value of 85,17 and was in the goog category. The improvement of learning outcomes shows taht the effective direct instruction model is used to improve the ability of students of SMA Negeri 1 Batauga to understand the values in Wandiudiu’s folklore.

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Siti Nurfuadah, Nendah. "The Implementation of Inductive Model in the Learning of Finding Religious Values in Short Stories "Robohnya Surau Kami" by A.A. Navis". Alinea: Jurnal Bahasa, Sastra, dan Pengajaran 1, n.º 3 (14 de outubro de 2018): 161. http://dx.doi.org/10.35194/alinea.v1i3.206.

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This article reveals the effectiveness of using inductive learning models to find religious values in the short story. The method used in the study is PTK. The experiment was conducted in three cycles, each cycle consists of two meetings. The study was conducted in grade XI MAN Cianjur. The results showed that inductive models can enhance the learning process, especially the attention of students in learning and students cooperation in group discussions. In the first cycle, in terms of students attention, from 44 students there are 29 students (65.90%) paid attention, and in terms of cooperation of the students in group discussions, there were 27 students (61.36%) are cooperative. In the second cycle, from 44 students there were 33 students (75%) who paid attention, and regarding the cooperation of the group, there are 30 students (68.18%) who are cooperative. In the third cycle, from 44 students there are 38 students (86.36%) who paid attention, and regarding group cooperation there are 39 students (88.64%)who are cooperative. The student’ results in the first cycle obtained an average value of 68.64, in the second cycle the average value was 77.16, and in the third cycle the average value was 91.82. Therefore, it is concluded that the implementation of inductive learning model on learning of finding religious values on the short story in class XI MAN Cianjur can enhance the learning process and student learning outcomes.Keywords: religious value, inductive models, processes and outcomes

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Yang, Guang Yong. "Excavating Value of Life Cycle Based Product Returns". Advanced Materials Research 726-731 (agosto de 2013): 2681–86. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.2681.

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Ecologic environment is increasingly polluted, amount of green consumers are expanding, and more countries and governments have enacted and implemented environmental protection regulations to curb firms environmental negative impact. Based on product life cycle return perspective, we divide returns into three types: beginning of life return, end of use return and end of life return. Then, we analyze return value evaluation through law of conservation and conversion of energy. Our conclusions show for between beginning of life and end of use product return, educating consumers environmental conscious and responsive collection and resell returned products measures are the core ingredients. For after end of life product return, the best strategy is that firm collects and disposes in cost efficient measures replacing consumers direct disposal.

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Clapp, John M., Piet Eichholtz e Thies Lindenthal. "Real option value over a housing market cycle". Regional Science and Urban Economics 43, n.º 6 (novembro de 2013): 862–74. http://dx.doi.org/10.1016/j.regsciurbeco.2013.07.005.

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Lee, Hyung Chul. "Cash Conversion Cycle and Firm Value under Uncertainty". Korea Association of Business Education 34, n.º 5 (30 de outubro de 2019): 451–66. http://dx.doi.org/10.23839/kabe.2019.34.5.451.

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Dockner, Engelbert J., e Baran Siyahhan. "Value and risk dynamics over the innovation cycle". Journal of Economic Dynamics and Control 61 (dezembro de 2015): 1–16. http://dx.doi.org/10.1016/j.jedc.2015.07.005.

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Juraschek, Max, Eva Johanna Becht, Lennart Büth, Sebastian Thiede, Sami Kara e Christoph Herrmann. "Life Cycle Oriented Industrial Value Creation in Cities". Procedia CIRP 69 (2018): 94–99. http://dx.doi.org/10.1016/j.procir.2017.11.069.

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Janz, D., W. Sihn e H. J. Warnecke. "Product Redesign Using Value-Oriented Life Cycle Costing". CIRP Annals 54, n.º 1 (2005): 9–12. http://dx.doi.org/10.1016/s0007-8506(07)60038-9.

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Taylor, Robert S. "Value-Added Processes in the Information Life Cycle". Journal of the American Society for Information Science 33, n.º 5 (6 de setembro de 2007): 341–46. http://dx.doi.org/10.1002/asi.4630330517.

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Browning, Tyson R., e Eric C. Honour. "Measuring the life-cycle value of enduring systems". Systems Engineering 11, n.º 3 (junho de 2008): 187–202. http://dx.doi.org/10.1002/sys.20094.

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Ramdayana, Ira Pratiwi, Hendro Prasetyono e Nurul Viah Tsania Rahman. "COMPARATIVE STUDY OF DISCUSSION AND QUESTION-ANSWER LEARNING METHOD TO IMPROVE LEARNING OUTCOMES OF VOCATIONAL HIGH SCHOOL STUDENTS". JURNAL PAJAR (Pendidikan dan Pengajaran) 4, n.º 3 (28 de maio de 2020): 597. http://dx.doi.org/10.33578/pjr.v4i3.7990.

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This study aims to determine whether there are differences in learning outcomes using discussion learning methods and using the Q&A learning method at Yaperjasa Vocational High School. The type of the research was Classroom Action Research with quantitative approach using the comparative method. The number of samples was 80 students which divided into 2 classes, namely class XI Office Administration 1 (control class) using the discussion method and class XI AP 2 (experimental class) using the question and answer method. The results of the study showed that there were 3 cycles, namely the first cycle t-value> t-table or 3.323> 1.685, in cycle II t-value<t-table and -0.087 <1.685, and in cycle III t-value> t-table or 3.209> 1.685. Cycles I and III showed that t-value was greater than t-table. It meant that the values obtained by students in the control class with the experimental class there were significant differences in learning outcomes. Students’ learning outcomes by applying discussion learning methods compared to using question and answer learning methods.

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Malik, Javaid, Nasir Mirza e Sikander Mirza. "Study of corrosion product activity due to non-linearly rising corrosion rates coupled with pH effects for long-term operating cycles in pressurized water reactors". Nuclear Technology and Radiation Protection 27, n.º 2 (2012): 178–88. http://dx.doi.org/10.2298/ntrp1202178m.

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This work is a study of changes in coolant activity due to corrosion products of extended burn-up cycles of 18-24 months duration, in a typical pressurized water reactor, under pH and boric acid variations. It deals with non-linearly changing corrosion rates coupled with pH effects. The CPAIR-P computer program was modified to accommodate for time-dependent rising corrosion and effects of coolant chemistry. These simulations suggest that the effect of an increase in pH value for an extended 24-month cycle on a specific activity, in the form of a decrease in the said activity, is smeared by the rising corrosion. The new saturation values for activity at the end-of-cycle are lower than with a reactor operated at constant low pH/natural boric acid in the coolant. For a non-linear rise in the corrosion rate coupled with a pH rise from 6.9 to 7.4 and the use of enriched boric acid (30%-40%), coolant activity first rises to a peak value during the cycle and then approaches a much smaller saturation value at the end of the cycle, when compared with the activity for the system having a constant low pH value (6.9) in the coolant. In this work, we have shown that the use of enriched boric acid as a chemical shim actually lowers primary coolant activity when higher pH values, rather than natural boric acid, are employed in the coolant. For multiple long-term operating cycles, the saturation value of corrosion product activity increases in the first two cycles and becomes constant in subsequent ones, due to the high operational pH value for enriched boric acid (40%) as a chemical shim.

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Bhargava, R., e A. Peretto. "A Unique Approach for Thermoeconomic Optimization of an Intercooled, Reheat, and Recuperated Gas Turbine for Cogeneration Applications". Journal of Engineering for Gas Turbines and Power 124, n.º 4 (24 de setembro de 2002): 881–91. http://dx.doi.org/10.1115/1.1476928.

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In the present paper, a comprehensive methodology for the thermoeconomic performance optimization of an intercooled reheat (ICRH) gas turbine with recuperation for cogenerative applications has been presented covering a wide range of power-to-heat ratio values achievable. To show relative changes in the thermoeconomic performance for the recuperated ICRH gas turbine cycle, results for ICRH, recuperated Brayton and simple Brayton cycles are also included in the paper. For the three load cases investigated, the recuperated ICRH gas turbine cycle provides the highest values of electric efficiency and Energy Saving Index for the cogenerative systems requiring low thermal loads (high power-to-heat ratio) compared to the other cycles. Also, this study showed, in general, that the recuperated ICRH cycle permits wider power-to-heat ratio range compared to the other cycles and for different load cases examined, a beneficial thermodynamic characteristic for the cogeneration applications. Furthermore, this study clearly shows that implementation of the recuperated ICRH cycle in a cogeneration system will permit to design a gas turbine which has the high specific work capacity and high electric efficiency at low value of the overall cycle pressure ratio compared to the other cycles studied. Economic performance of the investigated gas turbine cycles have been found dependent on the power-to-heat ratio value and the selected cost structure (fuel cost, electric sale price, steam sale price, etc.), the results for a selected cost structure in the study are discussed in this paper.

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Maltsev, Eduard. "Value-centered entrepreneur role model design". Problems and Perspectives in Management 16, n.º 2 (5 de junho de 2018): 252–59. http://dx.doi.org/10.21511/ppm.16(2).2018.23.

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The article is devoted to developing a change model for entrepreneurial roles that allows to create a conceptual design for the roles of an entrepreneur at different stages of business development. The article highlights four key stages in the business development life cycle. At each step, business focuses on a certain type of client and the value created for that client. The business focus requires an entrepreneur to concentrate on performance of a certain role. An analysis of the literature about role modelling is provided. The article considers entrepreneurs’ roles at different stages of business development. There are several methodological approaches applied in the article. The systems approach and systems thinking allow to describe a business as a whole. Conceptual modelling allows to deal with complexity of a real business. Design approach allows to implement conceptual models in practice of the real business. The article proposes a change model for entrepreneurial roles and the related roles composition at the different stages of business development life cycle. This article uses the conceptual model as an analytical tool to develop a change model for entrepreneurial roles. The further development of the research relates to research of sub-roles composition for different entrepreneurial roles and abilities, necessary to perform the sub-roles efficiently.

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Nurmala, Ela. "Peningkatan Kinerja Guru Madrasah Melalui Penerapan Strategi Pembelajaran Bervariasi". Madrasa: Journal of Islamic Educational Management 2, n.º 1 (1 de agosto de 2019): 7–13. http://dx.doi.org/10.32940/mjiem.v2i1.217.

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Based on the results of the Competency Knowledge Test (UPK) specifically regarding writing skills in class XI religious (IIK)-1 state madrasa aliyah (MAN) 2 Sumedang, it turns out that from the total of 34 students only 15 people or 42.86% whose value exceeds the specified Minimum Completion Criteria (KKM) value limit that is 78. This shows that learning achievement in English, especially writing skills in class IIK-1 is still low. The facts above show that students' learning achievement in English subjects is still low. One way out is to change the learning model by applying the Picture Word Inductive Model Strategy learning model to English subjects. This study aims to describe the application of the Picture Word Inductive Model Strategy in improving learning activities and Educator Performance and learning outcomes of English Class XI Religious (IIK) -1 MAN 2 Sumedang Students Even Semester Academic Year 2016/2017. From the results of the research conducted in March, May 2017 with 2 cycles there are the following findings: The increase in the performance value of educators from cycle 1 to cycle 2 increased by 10 points while from cycle 2 to cycle 3 increased by 8 points. Furthermore, in terms of categories also increased from C in cycle 1, B to cycle 2 and A in cycle 3. The increase in this activity value from cycle 1 to cycle 2 increased by 9.99 points while from cycle 2 to cycle 3 increased by 7.53 points . Furthermore, in terms of categories also increased from C in cycle 1, B in cycles 2 and A in cycle 384 to 82.54 on average cycle 2 learning achievement. An increase in learning achievement from cycle 1 to cycle 2 increased by 9.99 points while from cycle 2 to cycle 3 increased by 7.53 points. Furthermore, in terms of categories also increased from C in cycle 1, B in cycles 2 and A to cycle 3. Based on the findings in the research above, it can be concluded that: the increase in learning achievement from cycle 1 to cycle 2 increased by 9.99 point while from cycle 2 to cycle 3 increased by 7.53 points. Furthermore, in terms of categories also increased from C in cycle 1, B in cycles 2 and A in cycle 317

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Rivera, Wilfrido, Karen Sánchez-Sánchez, J. Alejandro Hernández-Magallanes, J. Camilo Jiménez-García e Alejandro Pacheco. "Modeling of Novel Thermodynamic Cycles to Produce Power and Cooling Simultaneously". Processes 8, n.º 3 (9 de março de 2020): 320. http://dx.doi.org/10.3390/pr8030320.

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Thermodynamic cycles to produce power and cooling simultaneously have been proposed for many years. The Goswami cycle is probably the most known cycle for this purpose; however, its use is still very limited. In the present study, two novel thermodynamic cycles based on the Goswami cycle are presented. The proposed cycles use an additional component to condense a fraction of the working fluid produced in the generator. Three cycles are modeled based on the first and second laws of thermodynamics: Two new cycles and the original Goswami cycle. The results showed that in comparison with the original Goswami cycle, the two proposed models are capable of increasing the cooling effect, but the cycle with flow extraction after the rectifier presented higher irreversibilities decreasing its exergy efficiency. However, the proposed cycle with flow extraction into the turbine was the most efficient, achieving the highest values of the energy utilization factor and the exergy efficiency. It was found that for an intermediate split ratio value of 0.5, the power produced in the turbine with the flow extraction decreased 23% but the cooling power was 6 times higher than that obtained with the Goswami Cycle.

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Shmeleva, Elizaveta A., e Ivan A. Arkharov. "Selection of the optimal air liquefaction cycle for liquid air energy storage". MATEC Web of Conferences 324 (2020): 01007. http://dx.doi.org/10.1051/matecconf/202032401007.

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The report analyzes and selects the liquefaction cycle for Liquid Air Energy Storage. The specific liquefaction coefficient and the coefficient of thermodynamic perfection were calculated for the following cycles: the Linde-Hampson cycle, the Claude cycle, the Heylandt Cycle, the Collins cycle, and the cycle with two expanders. The criterion for optimizing cycles is the maximum value of the liquefaction coefficient. The Claude cycle was chosen as the optimal cycle for use in the Liquid Air Energy Storage. Its exergy efficiency was calculated.

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Muri, Lidia. "The Implementation of Scaffolding Game Media To Improve Student Learning Outcomes In SDN 27 Pontianak". JP2D (Jurnal Penelitian Pendidikan Dasar) UNTAN 3, n.º 2 (6 de maio de 2020): 61. http://dx.doi.org/10.26418/jp2d.v3i2.105.

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The study aimed to describe the implementation of scaffolding game media to improve learning outcomes of thematic learning in VI-grade at SDN 27 Pontianak (Pontianak 27 State Elementary School). The research method used by researchers was descriptive. The form of research was Classroom Action Research. Data collection techniques in this study were observed and questionnaire responses of students. Research collection tools in the form of observation sheets. This research was conducted for two cycles. The results of this study included the ability of teachers to plan learning using scaffolding game media, namely cycle I (85.81%), increased 9.94% in cycle II (95.75%) with an average value of 87.41% (category very good). The ability of teachers to implement learning in the first cycle (76.19%) increased by 16.27%, and the second cycle to 92.46% with an average value of both cycles of 92.46% (very good category), an increase of 16, 27%. The first cycle learning activities with an average of 76.45% increased by 14.84% in the second cycle with an average value of 89.07%, the average score of the second cycle learning activities 81.65% (once category) and the questionnaire response positive students as much as 85.93% (very good category). The first cycle learning outcomes test with an average value was 76.45, and the second cycle was 79.48%, the average value of the learning outcomes test was 77.97% (good category), and an increase of 30.3%. Based on data analysis of student learning outcomes, shows that the use of Scaffolding Game media can improve student learning outcomes.

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Haddar, Gamar Al, e Ayu Novita. "Peningkatan Hasil Belajar IPA dengan Metode Teams Assisted Individualization". Science, and Physics Education Journal (SPEJ) 3, n.º 2 (29 de junho de 2020): 76–90. http://dx.doi.org/10.31539/spej.v3i2.1190.

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This study aims to improve the learning outcomes of science through cooperative learning methods of the Teams Assisted Individualization type. In grade IVA students at SD10 010 Sungai Kukung in the 2018/2019 school year. This type of research is classroom action research with 34 research subjects. Data collection techniques used in this study were Observation, Test and Documentation. This research was conducted in 3 cycles and each cycle consisted of 2 meetings, each cycle consisting of four stages, namely: Planning, Implementation, Observation, and Reflection. The results showed that there was an increase in each cycle with the percentage in cycle I 32.35% then increased in cycle II to 58.82% and increased again in cycle III to 94.11%. Conclusions, while the results of the value of skills and attitude values that include the value of social attitudes and spiritual attitudes also experience an increase in each aspect. Thus the Teams Assisted Individualization Method can improve student learning outcomes in Natural Sciences. Keywords: Teams Assisted Individualization Method, Learning Outcomes

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Lee, Choong Hoon. "New Methods to Evaluate Diesel Smoke from Inspection/Maintenance Vehicles Using Integration of Smoke Emissions over a Measurement Cycle of Snap-Acceleration Test at no Load". Applied Mechanics and Materials 319 (maio de 2013): 419–26. http://dx.doi.org/10.4028/www.scientific.net/amm.319.419.

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Each country regularly inspects smoke emissions from diesel vehicles. The most common method is a snap acceleration test at no load. Currently, the representative smoke value of a tested vehicle is decided by averaging three peak values which correspond to three consecutive measurement cycles. The biggest problem of the current method of determining the representative smoke of tested vehicles based on the averaging 3 consecutive peak values is that it varies enormously according to how the driver pushes the accelerator. In this study, new methods based on integration were researched to calculate representative smoke values from tested vehicles using the same data obtained by a snap acceleration test at no load. The smoke emissions for each measurement cycle were integrated with respect to time, and the average of the integrated values was obtained. Also, the smoke value of the acceleration range in each measurement cycle was integrated and the average was obtained. The representative value of smoke emissions was analyzed according to both the old and new calculation method. A total of 20 vehiclesof the same model with 2 liter diesel engineswere tested using snap acceleration at no load. It was found that the fluctuation of the representative smoke values of the tested vehicles was reduced when the average of the integrated values over either one measurement cycle or the acceleration range was used as the representative value.

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Song, Li Mei, Guang Xin Xing, Peng Qiang Wang, Jiang Tao Xi e Qing Hua Guo. "A 3D Measurement Method Based on Three Frequencies PSP". Applied Mechanics and Materials 701-702 (dezembro de 2014): 471–74. http://dx.doi.org/10.4028/www.scientific.net/amm.701-702.471.

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This paper proposes a method of global phase unwrapping used in multi-frequency three-dimensional (3D) measurements. In this method, three kinds of optical information which change in accordance with trigonometric function (sine or cosine) to the objects. The optical information cycles is P1, P2 and P3. Each waveform should 4-8 steps phase shifts. Then, calculate the phase value of each cycle. The composited phase value of two cycles and the final composited phase value of three cycles are calculated by image shift of each cycle. Finally, calculate the global phase value of each cycle based on the composited phase, thus, all the 3D coordinates of objects can be obtain after 3D reconstruction. The proposed method can solves the object surfaces color changing largely in 3D measurements. This method realizes high precision measurement without spray developer and achieves the protection of the environment.

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Suanto, Elfis, e Armis Armis. "Application of Constructivism Approach in the Learning of Initial Value Matter and Boundary Requirement Course". JOURNAL OF EDUCATIONAL SCIENCES 1, n.º 1 (4 de setembro de 2017): 24. http://dx.doi.org/10.31258/jes.1.1.p.24-34.

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The purpose of this research is to repair the mathematic learning process of Initial Value Matter and Boundary Requirement (IVMBR) course. The variables which have been examined (1) the activities of lecturer and students in learning process, (2) the development of student grades, and (3) the completeness of student result in studying of IVBVP. These actions have been done in three cycles based on data’s analysis, we get the result (1) the lecturer and students activities in learning process have been improved, (2) the development of student grades is rather the same in three of the cycles, and (3) the student who could reach the studying completely. After first cycle, these students get A or B increasing to 62,50,`4%, and after second cycle, the completeness of study has increased to 66,67%, and after third cycle, the completeness of studying have increased to 75,00%. Based on these informations, the constrctivism learning is good to use in learing of IVMBR course.

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Irawati, Desrina Yusi, e Melati Kurniawati. "Life Cycle Assessment dan Life Cycle Cost untuk Serat Kenaf". Jurnal Rekayasa Sistem Industri 9, n.º 3 (27 de outubro de 2020): 213–24. http://dx.doi.org/10.26593/jrsi.v9i3.4109.213-224.

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Kenaf fiber from the kenaf plant is the excellent raw material for industry because of the various diversified products it produces. To develop sustainable kenaf fiber, information is needed on the strengths and weaknesses of kenaf cultivation systems with respect to productivity and environmental impact. Therefore, a comprehensive environmental and economic impact assessment was conducted from cultivating kenaf to kenaf fiber. The environmental impact assessment uses the Life Cycle Assessment (LCA) method and economic calculations from the life cycle of kenaf to kenaf fiber to collectors use the Life Cycle Cost (LCC) method. The calculation of environmental impacts is in accordance with the stages of ISO 14040, using a single score assessment. The LCA results show that the treatment stage is the highest contributor of the three groups of impact categories. The highest to the lowest in the impact category group that was influenced by the treatment stage were resources with a value of 21.4 mPt, human health with a value of 8.76 mPt, and ecosystem quality with a value of 1.91 mPt. The cost identified through the LCC is Rp. 6,088,468,333, NVP and B/Cnet are positive. The results of the sensitivity analysis if there is a reduction in production> 6%, the business is still profitable and can be run.

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Najmariah, Najmariah. "PENINGKATAN KOMPETENSI PAEDAGOGIK GURU DALAM PENYUSUNAN PERENCANAAN PEMBELAJARAN MELALUI SUPERVISI AKADEMIK DI MADRASAH IBTIDAIYAH SWASTA TIMBANG LAWAN BOHOROK". SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED 10, n.º 4 (29 de dezembro de 2020): 369–78. http://dx.doi.org/10.24114/sejpgsd.v10i4.20858.

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The writing of this School Action Research (PTS) was carried out by researchers of 9 educators (teachers) which consisted of 2 cycles by implementing the Improvement of Teacher's Pedagogical Competence in Preparing Learning Plans through Academic Supervision Can Improve the Quality of Teaching Teachers at Private Madrasah Ibtidaiyah Weigh Against Bohorok, The report on the results of the calculation of the Teacher's Learning Planning Ability about the initial correlation to the first cycle of 0.738 and the t test value of 4.283, as well as the calculation of the correlation of the first cycle to the second cycle of 0.921 and the t test value of 16.156 and the results of the calculation of the Learning Planning Component about the initial correlation to the first cycle of 0.713 and the value of the t test of 2.507, the calculation of the correlation between the first cycle and the second cycle is 0.875 and the t test value is 6.466. As well as the Improvement of Teacher's Pedagogical Competence in Preparing Learning Planning through Academic Supervision Getting Student Learning Outcomes at Private Madrasah Weigh Against Bohorok, with reports on the results of the calculation of the Average value of 9 Subjects about the initial correlation to the first cycle of 0.778 and the t-test value of 5.222 and calculations. The correlation between the first cycle and the second cycle is 0.934, and the t test value is 19.293. All calculation results show a significant value. Keywords: Teacher Pedagogic Competence, Learning Planning Compilation, Academic Supervision, Teacher Teaching Quality

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Jeon, Jong Kyou. "Trade intensity and business cycle synchronization". Journal of Korea Trade 22, n.º 1 (5 de março de 2018): 36–49. http://dx.doi.org/10.1108/jkt-12-2017-0103.

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Purpose The purpose of this paper is to examine the relationship between trade integration and intra-regional business cycle synchronization using value-added trade data. Most empirical studies analyzing the relationship between trade integration and business cycle synchronization use gross trade data which suffer from double-counting. Double-counting distorts the empirical results on the estimated relationship between trade integration and business cycle synchronization. This paper explores the relationship using value-added trade data to be free from distortions caused by double-counting. Design/methodology/approach Gross trade data on exports and imports are decomposed into sub-categories following Koopman et al. (2014). Then, value-added data on exports and imports without double-counted terms are built to measure value-added bilateral trade intensity and value-added intra-industry trade intensity. Using this value-added trade intensities, the author run panel regressions for Europe and East Asian countries to examine how value-added trade intensities are correlated with output co-movements. Findings The paper finds that for European countries, the positive association between trade and business cycle co-movements is more evidently observed and the role of intra-industry trade increasing the business cycle synchronization is also more clearly revealed by value-added trade data. On the other hand, for East Asian countries, value-added trade data reveal that it is very uncertain whether increased trade contributes to stronger synchronization of business cycles and intra-industry trade is truly the major factor which deepens the business cycle co-movements. Research limitations/implications First, the paper examines the relationship only by running static panel regression. There is a need to employ different methodologies such as instrumental variable regression or dynamic panel regression. Second, financial integration and policy coordination within a region are also other relevant factors which influence the intra-regional business cycle synchronization. There is a need to examine the relationship using value-added trade data with the variables measuring the degree of financial integration and policy coordination. Third, value-added trade data used in this paper has limited coverage of East Asian countries. There is also a need to extend the value-added data set to cover more countries and industries. Originality/value Most empirical literature studying the relationship between trade integration and business cycle synchronization rely on gross trade data. This paper would be the first attempt to study the relationship using value-added trade data. Duval et al. (2014) also use value-added data, but their value-added data are not supported by a solid accounting framework which decomposes a country’s gross exports into various value-added components by source and additional double-counted terms. Value-added data in this paper computed based on Koopman et al. (2014) are the total domestic value exports that are ultimately consumed abroad via final and intermediate exports. The author believes that value-added data in this paper are most relevant in estimating the relationship between trade integration and business cycle synchronization.

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Foote, Jonathan, Angeles Alvarez Secord, Margaret Liang, David E. Cohn, Elizabeth Jewell e Laura J. Havrilesky. "ASCO Value Framework Highlights the Relative Value of Treatment Options in Ovarian Cancer". Journal of Oncology Practice 13, n.º 12 (dezembro de 2017): e1030-e1039. http://dx.doi.org/10.1200/jop.2017.025106.

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Purpose: The ASCO value framework allows physicians and patients to compare the relative value of novel treatments. Our aim was to assess the value of three frontline ovarian cancer therapies by using this framework. Methods: From phase III, randomized controlled clinical trial (RCT) data, the net health benefits (NHBs) for three frontline ovarian cancer treatment options—dose-dense paclitaxel (Japanese Gynecologic Oncology Group study JGOG 3016), intraperitoneal (IP)/intravenous (IV) chemotherapy (Gynecologic Oncology Group [GOG] study GOG 172), and concurrent plus maintenance bevacizumab (GOG 218 and the Seventh International Collaborative Ovarian Neoplasm study [ICON7])—were calculated. The ASCO value framework calculates the NHB by using six criteria: clinical benefit, toxicity, tail of the curve, symptom palliation, treatment-free interval, and quality of life. Clinical benefit calculation uses ASCO-assigned importance weights for overall survival and progression-free survival. The maximum possible NHB points is 180. NHBs were presented alongside the drug-acquisition cost (DAC) of each therapy. A benefit-cost ratio of NHB points per additional cost was calculated. Results: The NHB of dose-dense paclitaxel was 38, at an additional cost of $16 per cycle. IP cisplatin/IV + IP paclitaxel received 29 NHB points, at an additional cost of $1,629 per cycle. Concurrent plus maintenance bevacizumab received 24 NHB points, at an additional cost of $7,581 per cycle (GOG 218) or six NHB points ($3,790 per cycle; ICON7). The ratios of NHB points–to-dollar were as follows: dose-dense paclitaxel, 2.4 (highest); IP chemotherapy, 0.018; and bevacizumab, 0.003 (lowest). Conclusion: Using the ASCO value framework, we constructed value snapshots of three major frontline therapeutic options in ovarian cancer. Dose-dense paclitaxel provided the highest additional value when analysis accounted for NHB and cost. However, additional research is needed to include individual patient preferences and provide personalized value assessments.

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Lim, Cha Yong, Seung Zeon Han e Seong Hee Lee. "Microstructural Characteristics of Cu-Fe-P Alloys Severely Deformed by Accumulative Roll Bonding Process". Materials Science Forum 539-543 (março de 2007): 2849–52. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.2849.

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The accumulative roll bonding (ARB) process is one of the methods to refine the grain size of metallic materials. The ARB process up to 8 cycles was performed for the pure Cu and Cu- Fe-P (PMC-90) alloy at ambient temperature under no lubricant conditions. In the pure Cu, the nano-sized grains were formed after third cycle with an average grain size of 200nm. Once the 200 nm grains formed, further reduction in the grain size was not observed up to the 8 ARB process cycles. On the other hand, the formation of the stable nano-sized grains in PMC-90 alloy was retarded compared to the pure Cu due to the alloying elements. For both alloys, the tensile strength values increased drastically in the initial stage of ARB process. The tensile strength values of both alloys tended to saturate after the third ARB process cycle. The tensile elongation value greatly decreased by 1 cycle of ARB process due to the strain hardening. After the third cycle of ARB process, each alloy showed a gradual increase in tensile elongation due to the dynamic recovery. For PMC-90 alloy, the strength value is higher than that of OFC due to addition of the alloying elements.

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