Relevant bibliographies by topics / Stage migration

Academic literature on the topic 'Stage migration'

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Published: 4 June 2021
Last updated: 20 February 2023

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Journal articles on the topic "Stage migration"

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Larner, Ken, and Craig Beasley. "Cascaded migrations: Improving the accuracy of finite‐difference migration." GEOPHYSICS 52, no. 5 (May 1987): 618–43. http://dx.doi.org/10.1190/1.1442331.

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The accuracy of time migrations done with finite‐difference schemes deteriorates with increasing reflector dip. Some properties of migration in general, and of finite‐difference approaches in particular, suggest a way of improving the accuracy of finite‐difference schemes for migrating steep dips. First, although data will be undermigrated when too low a velocity is used in migration, a correctly migrated result can be obtained by migrating again, this time with the previously undermigrated result as input. In fact, a sequence of undermigrations will yield the correct result as long as the sum of the squares of the migration velocities used in the different migration stages equals the square of the correct migration velocity. A second property is that the apparent spatial dip of a reflector perceived by the migration process is a function of not only the time dip of the unmigrated reflection, but also the velocity used in the migration. In a sequence of low‐velocity migrations, the apparent spatial dip perceived at each migration stage can be considerably less than the true dip. Thus, because finite‐difference migration is accurate for small spatial dips, the cascaded migrations yield a more accurate result than that of single‐stage migration. Also, because each migration stage is done with low velocity, the depth step can be large; hence, the computational effort need not be. The accuracy of the method is not compromised (in fact, it improves) in media in which velocity increases with depth. Moreover, the cascaded approach suffers no more than other methods of time migration where velocity varies mildly in the lateral direction. In applications of the method to stacked data from the Gulf of Mexico, reflections from near‐vertical flanks of salt domes were migrated with accuracy comparable to that achieved by frequency‐wavenumber domain migration.
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Kane, Christopher J., Katherine Mallin, Jamie Ritchey, Matthew R. Cooperberg, and Peter R. Carroll. "Renal cell cancer stage migration." Cancer 113, no. 1 (July 1, 2008): 78–83. http://dx.doi.org/10.1002/cncr.23518.

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Beasley, Craig J., Walt Lynn, Ken Larner, and Hung Nguyen. "Cascaded f-k migration: Removing the restrictions on depth‐varying velocity." GEOPHYSICS 53, no. 7 (July 1988): 881–93. http://dx.doi.org/10.1190/1.1442525.

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Stolt’s frequency‐wavenumber (f-k) method is computationally efficient and has unlimited dip accuracy for constant‐velocity media. Although the f-k method can handle moderate vertical velocity variations, errors become unacceptable for steep dips when such variations are large. This paper describes an extension to the f-k method that removes its restrictions on vertical velocity variation, yielding accuracy comparable to phase‐shift migration at only a fraction of the computational time. This extension of the f-k method is based on partitioning the velocity field, just as in cascaded finite‐difference migration, and performing a number of stages of f-k migration. In each stage, the migration‐velocity field is closer to a constant—the ideal situation for the f-k migration method—than when the migration is done conventionally (i.e., in just one stage). Empirical results and error analyses show that, at most, four stages of the cascaded f-k algorithm are sufficient to migrate steep events as accurately as by the phase‐shift method for virtually any vertically inhomogeneous velocity field. Given its accuracy and efficiency, cascaded f-k migration can become the method of choice for 2-D, two‐pass 3-D, and single‐pass 3-D time migrations.
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Li, Shiyong, Yue Zhang, and Wei Sun. "Optimal Resource Allocation Model and Algorithm for Elastic Enterprise Applications Migration to the Cloud." Mathematics 7, no. 10 (October 1, 2019): 909. http://dx.doi.org/10.3390/math7100909.

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Cloud computing has been widely used in various industries in recent years. However, when migrating enterprise applications into the cloud, enterprise users face a problem with minimizing migration time and cloud resource providers face a dilemma of resource allocation problem, with the objective of maximizing the migration utility of enterprise users while minimizing the cost of cloud resource providers. In order to achieve them, this paper considered cloud migration objectives including cloud migration time, cloud migration utility, and cloud data center cost, and proposed a resource allocation model for enterprise applications migration into the cloud. The model is divided into two stages: the bandwidth allocation for enterprise applications migration to the cloud and the physical resource allocation of cloud resource providers for enterprise applications deployment into the cloud. In the first stage, we aim to minimize the cloud migration time for enterprise applications, and propose a scheme of bandwidth allocation for each component of applications. In the second stage, we present the resource allocation of cloud resource providers and propose a gradient-based algorithm which can achieve optimal resource allocation. Finally, we give some numerical simulation results to illustrate the performance of the proposed algorithm.
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VanderWalde, Noam Avraham, Ramzi George Salloum, Tsai-Ling Liu, Mark Christopher Hornbrook, Maureen Cecelia O'Keeffe-Rosetti, Debra Pearson Ritzwoller, Paul Arthur Fishman, Jennifer Elston Lafata, Amir H. Khandani, and Bhishamjit S. Chera. "Positron emission tomography and stage migration for head and neck cancer." Journal of Clinical Oncology 31, no. 15_suppl (May 20, 2013): 6018. http://dx.doi.org/10.1200/jco.2013.31.15_suppl.6018.

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6018 Background: Positron emission tomography (PET) is often used for the staging of head and neck cancer (HNC). The purpose of this study is to explore the association between the increased utilization of PET and stage/survival in the managed care environment. Methods: Adult patients diagnosed with HNC (n=958) between 2000-2008, at 4 integrated health systems (Group Health Cooperative, Seattle; Health Alliance Plan/Henry Ford Health System, Detroit; Kaiser Permanente Colorado and Northwest, Portland) were identified via tumor registries linked to claims data. We compared AJCC stage distribution, patient/treatment characteristics, and survival between pre-PET era (2000-2004) vs. PET era (2005-2008), and those with PET vs. those without, during the PET era. AJCC stage was grouped into stage I/II (localized), stage III/IVa/IVb (locally advanced), and stage IVc (metastatic). Ordered logistic regression estimated the effects of PET utilization on upstaging. Kaplan-Meier estimates described overall survival (OS) differences between PET users and nonusers in the PET era. Cox proportional hazards regression evaluated the effect of PET use on survival. Results: There was a non-significant increase in stage III/IVa/IVb (40% to 44%) with a decrease in stage I/II (58% to 52%) between pre-PET era and PET era (p=0.11). During the PET era, patients with PET were more likely stage III/IVa/IVb and less likely stage I/II compared to patients without PET (III/IVa/IVb: 62% vs. 29%, I/II: 35% vs. 68%). On multivariate analysis those who were staged with PET were twice as likely to have locally advanced disease (OR 2.091; p=0.006). There was no difference in stage IVc. Patients with PET scans were more likely to receive chemotherapy with radiation and less likely to receive no treatment. 3-year actuarial OS for patients (all stages) with and without PET was 81% vs. 77% (p=0.261). 3-year actuarial OS for patients staged III/IVa/IVb with and without PET was 58% vs. 41% (p= 0.001). Conclusions: HNC patients were more likely to be upstaged with the use of PET. There was an improvement in survival in stage III/IVa/IVb patients, but no difference in survival across all stages. This likely reflects selection bias and stage migration rather than improved outcomes among individual patients.
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Flory, Andrea B., Kenneth M. Rassnick, Tracy Stokol, Peter V. Scrivani, and Hollis N. Erb. "Stage Migration in Dogs with Lymphoma." Journal of Veterinary Internal Medicine 21, no. 5 (September 2007): 1041–47. http://dx.doi.org/10.1111/j.1939-1676.2007.tb03062.x.

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Horvath, L., R. Thanigasalam, K. Rasiah, P. Stricker, A. Earnest, A. Haynes, S. Sutherland, R. Sutherland, and S. Henshall. "Stage migration and the Kattan nomogram." Journal of Clinical Oncology 26, no. 15_suppl (May 20, 2008): 5162. http://dx.doi.org/10.1200/jco.2008.26.15_suppl.5162.

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Sun, Da Zhi, Xu Qian Li, and Xiao Feng Pan. "Migration Distribution Features of Phenanthrene in Aquifer." Advanced Materials Research 113-116 (June 2010): 2362–67. http://dx.doi.org/10.4028/www.scientific.net/amr.113-116.2362.

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The spatial and temporal distribution of phenanthrene were examined with indoor simulation experiments to study the transportation and transformation of phenathrene in the groundwater aquifer. The result showed that non-point pollution of PAHs is easily formed because of the effects of PAHs pollution’s convection and dispersion along with groundwater. The experiment about relationship between pH, Eh, conductivity and pollution plume of phenathrene revealed that variation trend of pH and conductivity are the same. Yet Eh variation is just contrary as the average rising ratios were 0.194 mv/d and 0.163 mv/d, respectively. The natural attenuation of phenanthrene pollutants in aquifer is obvious for the initial 80 days. The three stages about variation of phenanthrene in groundwater aquifer were slow decline stage (stage I), rapid decline stage (stage II) and stationary stage (III stage). The removal rate of phenanthrene by aquifer is 37.2 %, which adapts to stage II concerning groundwater remediation.
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WILSON, G. R., and J. S. WATSON. "Migration of Silicone Rods." Journal of Hand Surgery 19, no. 2 (April 1994): 199–201. http://dx.doi.org/10.1016/0266-7681(94)90165-1.

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Two cases of migration of silastic rods into the forearm after the first stage of flexor tendon grafting are reported. A CT scan shows the rods well if they are not visible on a plain X-ray. Possible factors involved in distal detachment of the rods are the composition of the tendon spacer, method of distal fixation, method of proximal fixation and the time between the stages of reconstruction.
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Epperlein, H. H., W. Halfter, and R. P. Tucker. "The distribution of fibronectin and tenascin along migratory pathways of the neural crest in the trunk of amphibian embryos." Development 103, no. 4 (August 1, 1988): 743–56. http://dx.doi.org/10.1242/dev.103.4.743.

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It is generally assumed that in amphibian embryos neural crest cells migrate dorsally, where they form the mesenchyme of the dorsal fin, laterally (between somites and epidermis), where they give rise to pigment cells, and ventromedially (between somites and neural tube), where they form the elements of the peripheral nervous system. While there is agreement about the crest migratory routes in the axolotl (Ambystoma mexicanum), different opinions exist about the lateral pathway in Xenopus. We investigated neural crest cell migration in Xenopus (stages 23, 32, 35/36 and 41) using the X. laevis-X. borealis nuclear marker system and could not find evidence for cells migrating laterally. We have also used immunohistochemistry to study the distribution of the extracellular matrix (ECM) glycoproteins fibronectin (FN) and tenascin (TN), which have been implicated in directing neural crest cells during their migrations in avian and mammalian embryos, in the neural crest migratory pathways of Xenopus and the axolotl. In premigratory stages of the crest, both in Xenopus (stage 22) and the axolotl (stage 25), FN was found subepidermally and in extracellular spaces around the neural tube, notochord and somites. The staining was particularly intense in the dorsal part of the embryo, but it was also present along the visceral and parietal layers of the lateral plate mesoderm. TN, in contrast, was found only in the anterior trunk mesoderm in Xenopus; in the axolotl, it was absent. During neural crest cell migration in Xenopus (stages 25–33) and the axolotl (stages 28–35), anti-FN stained the ECM throughout the embryo, whereas anti-TN staining was limited to dorsal regions. There it was particularly intense medially, i.e. in the dorsal fin, around the neural tube, notochord, dorsal aorta and at the medial surface of the somites (stage 35 in both species). During postmigratory stages in Xenopus (stage 40), anti-FN staining was less intense than anti-TN staining. In culture, axolotl neural crest cells spread differently on FN- and TN-coated substrata. On TN, the onset of cellular outgrowth was delayed for about 1 day, but after 3 days the extent of outgrowth was indistinguishable from cultures grown on FN. However, neural crest cells in 3-day-old cultures were much more flattened on FN than on TN. We conclude that both FN and TN are present in the ECM that lines the neural crest migratory pathways of amphibian embryos at the time when the neural crest cells are actively migrating. FN is present in the embryonic ECM before the onset of neural crest migration.(ABSTRACT TRUNCATED AT 400 WORDS)
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Dissertations / Theses on the topic "Stage migration"

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Eyre, Lucy. "Amnesiac A stage play - and - Playwriting migration: Silence, memory and repetition. An exegesis." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2016. https://ro.ecu.edu.au/theses/1925.

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In response to the surging migration phenomenon and growing hostility and restrictions on the movement of people, the stage play, Amnesiac, and exegesis, Playwriting migration: Silence, memory and repetition, explore a different approach to this global dilemma. Rather than focussing on the plight of refugees and asylum seekers, the approach and focus of the thesis centre on Western migration, from slavery and colonialism to corporation migration in the current globalised capitalist system. The research underpinning the approach of the play and essay examines the process of voluntary or obligatory participation in and/or resistance of political, social and economic systems which contribute to the circumstances that cause people to migrate. The play depicts the workplace and home environments of fictional characters from historical and present-day migrations. Interactions between characters reveal the cumulative effects and fluctuating features of the relationship between oppressor and oppressed. These effects and features manifest in the playwriting, with the blending of repetition, stream of consciousness and memory as a way of understanding character objectives, conflicts, alliances and potential transformations. The results reveal the shifting nature of disempowered peoples and expose the shared experiences of oppressor and oppressed - in particular, the contributing factors of socialisation, domination and greed that are infused in the relationships which ultimately lead to conflict or alliance. The exegesis examines historical and current events and people that inspired the form and content of the play. The factors that inspired the genre, the world of the play, the characters and incidents are discussed in relation to how social, political and economic systems reflect and reveal ongoing root causes of violence, instability and poverty in developing countries and, indeed, the increase of the same problems in developed countries.
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Sperandio, Elisa. "SETTING THE STAGE: RESIDENT EXPERIENCES WITH ENFORCEMENT, RESCUE AND SPECTACLE IN LAMPEDUSA." UKnowledge, 2019. https://uknowledge.uky.edu/geography_etds/61.

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Located 127 miles from the shores of Sicily and only 70 from Tunisia, the island of Lampedusa is home to a population of 6000. Residents are largely reliant on a centuries-old fishing economy, a booming tourism industry and, most recently, the sustainment of a complex apparatus of border enforcement. Since the early 2000s, with the hardening of the southern border of Italy and the European Union, a multitude of actors have converged to Lampedusa: from migrants, to agents of enforcement, to NGO personnel, along with journalists, researchers and tourists. In this thesis, I center the experiences of island residents to analyze the daily, lived dimensions of Lampedusa becoming a key site for the externalization of enforcement and the production of a border spectacle depicting “migration crisis.” Employing ethnographic methods and drawing from literature in feminist geopolitics, critical border studies and spatial theory, this approach looks beyond the nation state to discuss the everyday construction of borders and geopolitics. In doing so, I focus on the contested and relational nature of bordering on the island, highlighting some of the contradictions and inconsistencies of discourses and policies rooted in the premise of sudden emergency in the Mediterranean.
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Vidal, Torre Sergi. "Essays on residential trajectories and social ties in the stage of early adulthood." Doctoral thesis, Universitat Pompeu Fabra, 2009. http://hdl.handle.net/10803/7248.

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Aquesta tesi doctoral es composa de tres linies de recerca en que s'analitza de forma dinàmica l'associació entre mobilitat residencial / migracions i les relacions social que es troben en el lloc de residència. Les tres recerques s'enmarquen dins del marc teòric del Curs de Vida i es fa us de tècniques d'anàlisi Event-History per analitzar biografies residencials d'adults joves. En la primera recerca s'analitzen l'efecte de l'estructura de la familia extesa (aquella més enllà de la parella i els fills) en la probabilitat de fer un canvi residencial de llarga distancia (més de 50 km) a l'alemanya occidental. En la segona recerca s'analitzen entrades i sortides de la llar parental al Regne Unit. En la tercera recerca s'estudien multiples facetes de la proximitat de les xarxes socials en la propensió d'emigrar en diferents estadis del procés de pressa de decissió.
This PhD thesis tackles from an empirical and quantitative perspective the influence of social ties on geographical mobility behavior and decision-making. The dissertation is composed of three lines of research all framed in Life Course theory and taking advantage of Event-History techniques to analyze individual residential biographies of young adults. The first essay deals about the influence of the extended family structure on the probability of long distance mobility (i.e. further than 50 km) in West Germany. The second essay analyses leaves and returns to the parental home in the UK. The third essay sheds light on the multifaceted effect of ties' proximity on migration propensity in the different stages of decision-making and behaviour.
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McKeon, Judith. "Migrating later in life : older Polish migrants in the UK." Thesis, De Montfort University, 2014. http://hdl.handle.net/2086/10119.

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Despite the plethora of research on migration, little is known about behaviours and experiences of older working age migrants. This thesis focuses on Polish migrants aged 45-65, who have arrived in the UK since 2004 looking for work and better opportunities. The purpose of the study is to explore links between age and migration by investigating older migrants who are still economically active. Thirty five interviews were carried out across the UK using an oral history qualitative approach. These migrants were particularly affected by redundancy during the transitional period from socialism to capitalism in Poland; they then found it almost impossible to find other work because of their age. The decision to migrate may have been influenced by an early exposure to Western influences; however, it was the impact of unemployment and debt that led to a re-evaluation of their lives. Although they may be at different family stages, these older migrants' shared background and perception of their lack of value has shaped their migration experience. They represent parents, grandparents, sons, daughters, married couples, widows and single persons; this age group gives a more complete and nuanced picture of family life and relationships. The emotional costs are high when families are separated through migration, especially when elderly parents are involved. Despite the wide age range, family experiences are often very similar, with preferences for staying at home and watching Polish television. However, the opportunity of employment in the UK has given them an economic and social value no longer available to them in their homeland. As so much of their life course has been invested in Poland, many see no need to learn English; it is not a priority as they have virtual social interactions with family and friends in Poland and continue to inhabit a Polish-speaking world. This age group are also more likely to be pioneer migrants, accessing new destinations.
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Nerschbach, Verena [Verfasser]. "Weiterführende Diagnostik beim malignen Lymphom des Hundes und der Katze: Auswirkungen auf Stage Migration und prognostische Einschätzung der Erkrankung / Verena Nerschbach." Hannover : Bibliothek der Tierärztlichen Hochschule Hannover, 2014. http://d-nb.info/1065263732/34.

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Cook, Finnie B. "Globalization, Migration and the U.S. Labor Market for Physicians: The Impact of Immigration on Local Wages." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0003279.

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Moncrieffe, Marlon Lee. "Examining experiences and perceptions of mass migration and settlement in Britain over the ages : how can this assist teaching and learning in Key Stage 2 history?" Thesis, University of Reading, 2017. http://centaur.reading.ac.uk/72121/.

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The background influences and socialisation of twenty-one White-British and predominantly female trainee-teachers specialising in Key Stage 2 history (trainee teachers) are examined via a semi-structured questionnaire and semi-structured interviews, to understand how they come to their perceptions on the story of Britain’s migrant past and how that frames their practice for teaching and learning via the aims and contents of the Key Stage 2 history curriculum. Short personal narratives and transcribed conversation concerning experiences of migration to the British Isles from an Afro-Caribbean immigrant (my mother) and her British born child (myself) were presented as artefacts to three trainee-teachers for their analysis and evaluation of them as part of a focus group discussion. It was for them to consider the impact of the artefacts on their thinking about the story of migration to the British Isles over the ages for their future professional practice in planning, teaching and learning via the Key Stage 2 curriculum aims and contents. Overall findings from the study indicate that the socialisation of trainee-teachers from multi-ethnic British background influences lead them to discuss their awareness of multiculturalism and cultural diversity within the story of Britain’s migrant past, as opposed to their peers of mono-ethnic White-British background influences and socialisation who produced dominant White-British majoritarian thinking in their considerations. When the idea of viewing the story of Britain’s migrant past via culturally diverse minority-ethnic group accounts are presented (via the artefacts) and planted into the minds of trainee-teachers from mono-ethnic White-British backgrounds and socialisation, they become very much open to the possibilities of using them in their future Key Stage 2 classroom practice. The Key Stage 2 optional unit of study: ‘an aspect or theme in British history that extends pupils’ chronological knowledge beyond 1066 (DfE, 2013a, p.4) is considered by the majority of trainee-teachers as being their least important focus on teaching and learning. This study makes the case the story of Britain’s migrant past concerning cross-cultural and cross-ethnic encounters over the ages can provide trainee-teachers with a clear opportunity to connect that with the optional unit of study. This study emphasises the need for Initial Teacher Education to assist with developing the subject knowledge of trainee-teachers concerning a culturally diverse representation of Britain’s migrant past over the ages.
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Lyncker, Lissa. "Abundance and Distribution of Early Life Stage Blue Crabs (Callinectes sapidus) in Lake Pontchartrain." ScholarWorks@UNO, 2008. http://scholarworks.uno.edu/td/848.

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I conducted a 12-month study of near-shore habitats in Lake Pontchartrain to assess spatiotemporal variation in the abundance of early life stage blue crabs (Callinectes sapidus). Collections were made using a 1 m2 throw trap and data showed that C. sapidus numbers varied over time and among sites. Two recruitment events occurred during the study. During the first recruitment in May-June, C. sapidus entered Lake Pontchartrain via the Inner Harbor Navigational Canal. In September-October, C. sapidus entered the Lake Pontchartrain via the Rigolets and Chef passes. My data suggest that C. sapidus utilize water circulation within the Lake Pontchartrain as a means of transportation throughout the estuary. MODerate-resolution Imaging Spectroradiometer (MODIS) 250 m data were analyzed to gain a large-scale view of suspended sediments patterns within Lake Pontchartrain and quantify water movement. Field sampling along with remote sensing proved to be beneficial when assessing estuarine-wide C. sapidus post-larval dispersal processes.
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Pippert, John Marvin. "Return migration: socioeconomic determinants for state in- migration." Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/76474.

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The central concern of this study is to determine the role of return migration in the changing economic and noneconomic determinants of state in-migration. It was hypothesized that the transition from primarily economic to noneconomic determinants of in-migration in the United States in the last decade was directly related to changes in the components of the migration stream itself; that is, that an increasing proportion of return migrants in the in-migration stream contributes to the movement toward noneconomic reasons for migrating. This study compares the selective characteristics of lifetime and five-year non migrants, and primary, secondary and return migrants using Public Use Sample data for 1960, 1970, and 1980. In addition, it analyzes four economic and six noneconomic determinants of migration for 1970 and 1980 usinq a data set that includes published data on state migration and socioeconomic characteristics. An analysis of the selectivities of migration has both supported and rejected existing literature. In a comparison of migrants and non migrants, migrants tend to be younger, better educated persons from white collar occupations with higher incomes and smaller households than non migrants. When migrant types are compared, return migrants tend not to be as well off as other migrants socioeconomically. They tend to have lower education, come from blue collar occupations, have larger households, be a little older and have less income than other migrants. The most significant finding is the distinction of five-year from lifetime nonmigrants. The regression analysis on the determinants of state in-migration reveals that there has been a shift from economic to noneconomic reasons for migrating from 1970 to 1980. In addition, the relative proportion of primary, secondary and return migration has changed over time. Contrary to the hypothesis, however, the trend from economic to noneconomic determinants of migration has not been related to changes in the proportion of return this study points to the relationship migration in the stream. Rather, further research that investigates between secondary migration and the changing determinants of state in-migration.
Ph. D.
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Huijsmans, Roy B. C. "Migrating children, households, and the post-socialist state : an ethnographic study of migration and non-migration by children and youth in an ethnic Lao village." Thesis, Durham University, 2010. http://etheses.dur.ac.uk/420/.

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Against a background of processes of rural change that are on the brink of unfolding in the Lao PDR and triggered by capitalist expansion and agendas of regional integration, the rural population has become increasingly mobile. Studies have shown that it is primarily the young population that is involved in migration, and a considerable proportion of these young migrants is below the age of 18 and, therefore, technically of child-age. Through the theoretical lens of rural change these young migrants are depicted as actors of social change who through their involvement in migration rework their own social position but also contribute to wider processes of change. However, young people’s involvement is mostly presented as an issue of human trafficking in which the young migrants are depicted as the victims of processes of capitalist expansion. This study has broken down the binary representation of young migrants as either victims of change or agents of change. Detailed ethnographic accounts have revealed the various structuring relations shaping different forms of migration in which young Lao are involved. It has further illuminated how young villagers, as social actors, subtly negotiate the process of becoming and not becoming a young migrant, and, once at migration destination, exercise agency in the workplace, although often in a constrained manner. These constraints, it is argued, are in part produced by the indigenisation of the modern notion of childhood and global migration discourses. The institutionalisation of a modern childhood contributes to bringing the young population within state spaces, allowing the state to impose itself on this politically important segment of the population for an increasing number of years. However, young people’s involvement in migration undermines these efforts, thereby, contributing to making the political space for addressing the urgent issue of harm in migration, other than by removing minors from migration, a very narrow one.
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Books on the topic "Stage migration"

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Okene, Adam Ahmad. Colonialism and labour migration: The Ebira in Owo, Ondo State of Nigeria. Kaduna: Zakara Pub. Co., 2005.

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author, Pandey Shibani, Pathak Dinesh (Researcher) author, Sijapati-Basnett Bimbika author, and Centre for the Study of Labour and Mobility (Kathmandu, Nepal), eds. State of migration in Nepal. Kathmandu, Nepal: Centre for the Study of Labour and Mobility, 2014.

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Brickner, Rachel K., ed. Migration, Globalization, and the State. London: Palgrave Macmillan UK, 2013. http://dx.doi.org/10.1057/9781137033765.

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Oberai, A. S. State Policies and Internal Migration. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003313243.

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Razin, Assaf. Globalization, Migration, and Welfare State. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64392-8.

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Raju, B. R. K. Developmental migration: A processual analysis of inter-state rural-rural migration. New Delhi: Concept Pub. Co., 1989.

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Migration, belonging and the nation state. Newcastle upon Tyne: Cambridge Scholars, 2010.

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Carens, Joseph H. Migration, morality, and the nation-state. [Toronto, Ont.]: Faculty of Law, University of Toronto, 1985.

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Fan, C. Cindy. China on the move: Migration, the state, and the household. Abingdon, Oxon: Routledge, 2007.

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He, Jian. Ohio migration patterns: State and counties, 1980-1990 and 1990-1994. Columbus: Ohio Dept. of Development, Office of Strategic Research, 1996.

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Book chapters on the topic "Stage migration"

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Spellman, Frank R. "Setting the Stage." In The Science of Climate Migration, 1–21. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003295211-1.

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Schwarz, Carl James. "Migration and Movement – The Next Stage." In Modeling Demographic Processes In Marked Populations, 323–47. Boston, MA: Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-78151-8_14.

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Fitzgerald, Patrick, and Brian Lambkin. "A Three-Stage Process: Leaving, Crossing, Arriving." In Migration in Irish History, 1607–2007, 16–33. London: Palgrave Macmillan UK, 2008. http://dx.doi.org/10.1057/9780230581920_2.

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Stürner-Siovitz, Janina. "Clear the Stage—City Diplomacy in Global Migration Governance." In Curtain up, 113–84. Wiesbaden: Springer Fachmedien Wiesbaden, 2022. http://dx.doi.org/10.1007/978-3-658-39602-2_5.

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Lech, Kasia. "Claiming Their Voice: Foreign Memories on the Post-Brexit Stage." In Migration and Stereotypes in Performance and Culture, 215–34. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39915-3_12.

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Yin, Feiran, Weidong Liu, and Jiaxing Song. "Live Virtual Machine Migration with Optimized Three-Stage Memory Copy." In Lecture Notes in Electrical Engineering, 69–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40861-8_11.

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Larson, Donald F., and Kevin L. Bloodworth. "Mechanization and the Intersectoral Migration of Agricultural Labor." In Emerging-Economy State and International Policy Studies, 271–85. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-5542-6_20.

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AbstractFor most countries, the historical path to development includes a sectoral shift of labor from agriculture to other sectors, an inflow of capital to agriculture, and a boost in land productivity. Early in the process of structural transformation, when populations are primarily rural and agrarian, the pace of sectoral migration can appear slow, as births that occur in much larger rural populations nearly match out-migration. As populations become increasingly urban, the dynamics shift, as rural populations experience continued out-migration matched with a declining share of births. This sets the stage for rising wages and labor-saving mechanization in agriculture. In many places, mechanization is associated with economies of scale that encourage a transformation in farm structures toward larger farms. Still, farm structures have been slow to change in Asia and Africa, where most farms are small, limiting potential productivity gains. This chapter uses a cross-country panel of data spanning five decades to examine the relationships among sectoral migration, gaps in sectoral incomes, and mechanization.
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Weedon, Alexis. "Race and Migration in Fiction, on Stage and Film: G.B. Stern." In The Origins of Transmedia Storytelling in Early Twentieth Century Adaptation, 115–35. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72476-4_6.

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Roberts, Rosie. "Tactics and Risk Under Conditions of Multi-stage Migration to Australia." In Ongoing Mobility Trajectories, 29–47. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3164-0_2.

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Ho, Elaine Lynn-Ee, and Tuen Yi Chiu. "Mainland Chinese grandparenting migration as middling transnationalism: Family, life stage and lifecourse." In Rethinking Privilege and Social Mobility in Middle-Class Migration, 213–31. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003087588-14.

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Conference papers on the topic "Stage migration"

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Mollahosseini, Khosro, Fred G. Borns, Paul T. Couey, Jean-Charles Bonaccorsi, and Alain Demeulenaere. "3D Unsteady Multi-Stage CFD Analysis of Combustor-Turbine Hot Streak Migration." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25963.

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With gas temperatures far exceeding the melting point of nickel-base alloys, advanced cooling schemes are essential to meet the desired mission life of turbine airfoils. Naturally, combustion systems produce gas-temperature non-uniformity in the exiting flowfield. Downstream turbine components must be tolerant to the maximum anticipated gas temperatures. On the other hand, excessive use of cooling air reduces engine efficiency and compromises combustor durability. Throughout gas turbine design history it has been the desire of Turbine Aerodynamicists to be able to compute combustor hot streak migration and mixing through multiple turbine airfoil stages. Typically, hot streak migration studies have been performed using (a) mixing-plane models between rotating and stationery domains or (b) unsteady simulations in which the flowpath annulus is represented by a segment containing airfoil counts that are integer multiples in each blade row or (c) Non-Linear Harmonic methods. With the development of highly-parallelized Computational Fluid Dynamic (CFD) codes driving high performance computer clusters simulation of combustor hot streak migration through multiple High Pressure (HP) turbine stages using an unsteady, 360° (full-annulus) model can be achieved. To this end, Honeywell, in collaboration with Numeca Corporation, has performed a study to evaluate the state-of the art for computation of the effect on second-stage HP turbine nozzle metal temperatures of combustor hot streaks migrated through the first-stage of a two-stage HP turbine.
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DORNEY, DANIEL, ROGER DAVIS, DAVID EDWARDS, and NATERI MADAVAN. "Unsteady analysis of hot streak migration in a turbine stage." In 26th Joint Propulsion Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1990. http://dx.doi.org/10.2514/6.1990-2354.

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Ashraf, M., K. A. Lie, H. M. Nilsen, and A. Skorstad. "Impact of Geological Heterogeneity on Early-stage CO2 Plume Migration." In 12th European Conference on the Mathematics of Oil Recovery. Netherlands: EAGE Publications BV, 2010. http://dx.doi.org/10.3997/2214-4609.20145012.

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He, Qingfu, Zhongran Chi, and Shusheng Zang. "An Efficient Prediction Method for the Azimuthal Migration of Combustion Inhomogeneity in Multi-Stage Cooled Turbines." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-60220.

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Abstract The outlet temperature of combustor is commonly monitored by thermocouples at the turbine exhaust. In order to establish the corresponding relationship between the temperature measured by each thermocouple and the working state of each burner, the azimuthal migration of the combustion hot/cold streaks in the multi-stage turbines needs to be quantified. Experiments to measure this migration have high cost and considerable error. It is also difficult to quantify the migration under multiple working conditions. Three-dimensional full-annulus unsteady simulation can obtain this migration. But the unsteady simulation of a single working condition could take several weeks, which is too expensive for engineering usage. A method named Steady-state Computation of Azimuthal Migration (SCAM) is proposed in this paper. By establishing and solving the transport equation of the migration angle, the azimuthal migration of hot/cold streaks can be predicted by steady-state numerical simulation using the mixing plane at rotor-stator interface. The migration computed by this method is compared with the full-annulus unsteady simulation results in multiple working conditions. The results of SCAM method show good agreement with full-annulus simulations, while costing only 0.01% of the CPU hours. It is also found that the error of SCAM is mainly caused by the fixed boundary value at coolant source terms. The optimal spanwise location of the thermocouples at turbine exhaust is discussed based on the results. The method proposed could be applied to the fault diagnosis and precise repair of the combustors of gas turbines.
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Fahmy, T., and M. Persic. "448 Stage migration in patients with lymph node positive cervical cancer." In ESGO 2021 Congress. BMJ Publishing Group Ltd, 2021. http://dx.doi.org/10.1136/ijgc-2021-esgo.32.

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Basol, A. M., P. Jenny, M. Ibrahim, A. Kalfas, and R. S. Abhari. "Hot Streak Migration in a Turbine Stage: Integrated Design to Improve Aero-Thermal Performance." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-23556.

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Hot streaks can cause localized hot spots on the blade surfaces in a high-pressure turbine, increasing the heat load locally and even leading to material loss in regions such as the rotor blade tip. This study explores numerically the effect of the hot streak’s orientation at the stator inlet on the rotor blade heat load and on the tip in particular. The inlet boundary conditions are taken from the hot streak experiment conducted in the axial turbine facility “LISA” at ETH Zurich. Using a particle tracking tool in conjunction with time-resolved simulations a detailed analysis of the migration pattern of the hot streak is performed and the underlying mechanisms are discussed. The effect of clocking the hot streak from mid-pitch to the stator pressure side and in the opposite direction is examined. By clocking this particular hot streak even 10% of the stator pitch towards the pressure side up to 24 K reduction in the rotor blade tip adiabatic wall temperatures is achieved. The validity of the particle migration pattern is also tested on an elliptical hot streak shape. Changing the orientation of the hot streak at the inlet plane a heat load re-distribution parallel to the migration characteristics is observed. Finally, based on the observations made, the implications for an integrated combustor-turbine design strategy are discussed.
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Yamaguchi, Daisuke, and Takuya Iwatsuka. "Two-Stage Patch Synthesis for API Migration from Single API Usage Example." In 2022 29th Asia-Pacific Software Engineering Conference (APSEC). IEEE, 2022. http://dx.doi.org/10.1109/apsec57359.2022.00036.

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Dorney, Daniel, Boon-Chai Ng, Ali Al-Habbas, and Karen Gundy-Burlet. "Numerical simulations of hot streak migration in a 1-1/2 stage turbine." In 33rd Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1995. http://dx.doi.org/10.2514/6.1995-181.

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Shiriagin, O., and I. Shiriagin. "Determination of Parameters of Migration and Accumulation of Hydrocarbons at the Exploration Stage." In 82nd EAGE Annual Conference & Exhibition. European Association of Geoscientists & Engineers, 2020. http://dx.doi.org/10.3997/2214-4609.202011583.

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Nakane, Kazutoshi, Takumi Anjiki, Jiquan Xie, Yukinobu Fukushima, and Tutomu Murase. "VM Migration Considering Downtime for Accuracy Improvement in Multi-stage Information Processing System." In 2022 IEEE International Conference on Consumer Electronics - Taiwan. IEEE, 2022. http://dx.doi.org/10.1109/icce-taiwan55306.2022.9869040.

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Reports on the topic "Stage migration"

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Razin, Assaf. Migration into the Welfare State: Tax and Migration Competition. Cambridge, MA: National Bureau of Economic Research, August 2013. http://dx.doi.org/10.3386/w19346.

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Prysyazhnyi, Mykhaylo. UNIQUE, BUT UNCOMPLETED PROJECTS (FROM HISTORY OF THE UKRAINIAN EMIGRANT PRESS). Ivan Franko National University of Lviv, March 2021. http://dx.doi.org/10.30970/vjo.2021.50.11093.

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In the article investigational three magazines which went out after Second World war in Germany and Austria in the environment of the Ukrainian emigrants, is «Theater» (edition of association of artists of the Ukrainian stage), «Student flag» (a magazine of the Ukrainian academic young people is in Austria), «Young friends» (a plastoviy magazine is for senior children and youth). The thematic structure of magazines, which is inferior the association of different on age, is considered, by vital experience and professional orientation of people in the conditions of the forced emigration, paid regard to graphic registration of magazines, which, without regard to absence of the proper publisher-polydiene bases, marked structuralness and expressiveness. A repertoire of periodicals of Ukrainian migration is in the American, English and French areas of occupation of Germany and Austria after Second world war, which consists of 200 names, strikes the tipologichnoy vseokhopnistyu and testifies to the high intellectual level of the moved persons, desire of yaknaynovishe, to realize the considerable potential in new terms with hope on transference of the purchased experience to Ukraine. On ruins of Europe for two-three years the network of the press, which could be proud of the European state is separately taken, is created. Different was a period of their appearance: from odnogo-dvokh there are to a few hundred numbers, that it is related to intensive migration of Ukrainians to the USA, Canada, countries of South America, Australia. But indisputable is a fact of forming of conceptions of newspapers and magazines, which it follows to study, doslidzhuvati and adjust them to present Ukrainian realities. Here not superfluous will be an example of a few editions on the thematic range of which the names – «Plastun» specify, «Skob», «Mali druzi», «Sonechko», «Yunackiy shliah», «Iyzhak», «Lys Mykyta» (satire, humour), «Literaturna gazeta», «Ukraina і svit», «Ridne slovo», «Hrystyianskyi shliah», «Golos derzhavnyka», «Ukrainskyi samostiynyk», «Gart», «Zmag» (sport), «Litopys politviaznia», «Ukrains’ka shkola», «Torgivlia i promysel», «Gospodars’ko-kooperatyvne zhyttia», «Ukrainskyi gospodar», «Ukrainskyi esperantist», «Radiotehnik», «Politviazen’», «Ukrainskyi selianyn» Considering three riznovektorni magazines «Teatr» (edition of Association Mistciv the Ukrainian Stage), «Studentskyi prapor» (a magazine of the Ukrainian academic young people is in Austria), «Yuni druzi» (a plastoviy magazine is for senior children and youth) assert that maintenance all three magazines directed on creation of different on age and by the professional orientation of national associations for achievement of the unique purpose – cherishing and maintainance of environments of ukrainstva, identity, in the conditions of strange land. Without regard to unfavorable publisher-polydiene possibilities, absence of financial support and proper encouragement, release, followed the intensive necessity of concentration of efforts for achievement of primary purpose – receipt and re-erecting of the Ukrainian State.
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Razin, Assaf, and Efraim Sadka. Migration State and Welfare State: Competition vs. Coordination in an Economic Union. Cambridge, MA: National Bureau of Economic Research, October 2015. http://dx.doi.org/10.3386/w21606.

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Razin, Assaf, Efraim Sadka, and Benjarong Suwankiri. Migration and the welfare state: Dynamic Political-Economy Theory. Cambridge, MA: National Bureau of Economic Research, March 2009. http://dx.doi.org/10.3386/w14784.

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Razin, Assaf, Efraim Sadka, and Benjarong Suwankiri. Migration and the Welfare State: A Dynamic Political-Economy Theory. Cambridge, MA: National Bureau of Economic Research, December 2009. http://dx.doi.org/10.3386/w15597.

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Razin, Assaf, and Efraim Sadka. Migration and Welfare State: Why is America Different from Europe? Cambridge, MA: National Bureau of Economic Research, September 2014. http://dx.doi.org/10.3386/w20450.

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Razin, Assaf, and Efraim Sadka. Unskilled Migration: A Burden or a Boon for the Welfare State. Cambridge, MA: National Bureau of Economic Research, March 1999. http://dx.doi.org/10.3386/w7013.

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Razin, Assaf, Efraim Sadka, and Benjarong Suwankiri. The Welfare State and Migration: A Dynamic Analysis of Political Coalitions. Cambridge, MA: National Bureau of Economic Research, December 2014. http://dx.doi.org/10.3386/w20806.

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Johnson, Kenneth. With less migration, natural increase is now more important to state growth. University of New Hampshire Libraries, 2009. http://dx.doi.org/10.34051/p/2020.84.

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Cohen, Alon, Assaf Razin, and Efraim Sadka. The Skill Composition of Migration and the Generosity of the Welfare State. Cambridge, MA: National Bureau of Economic Research, February 2009. http://dx.doi.org/10.3386/w14738.

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