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Добірка наукової літератури з теми "Group Assembly"

Автор: Grafiati

Опубліковано: 11 березня 2023

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Статті в журналах з теми "Group Assembly"

1

Brecher, Christian, Thomas Breitbach, Simon Müller, Marcel Ph Mayer, Barbara Odenthal, Christopher M. Schlick, and Werner Herfs. "3D Assembly Group Analysis for Cognitive Automation." Journal of Robotics 2012 (2012): 1–18. http://dx.doi.org/10.1155/2012/375642.

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A concept that allows the cognitive automation of robotic assembly processes is introduced. An assembly cell comprised of two robots was designed to verify the concept. For the purpose of validation a customer-defined part group consisting of Hubelino bricks is assembled. One of the key aspects for this process is the verification of the assembly group. Hence a software component was designed that utilizes the Microsoft Kinect to perceive both depth and color data in the assembly area. This information is used to determine the current state of the assembly group and is compared to a CAD model for validation purposes. In order to efficiently resolve erroneous situations, the results are interactively accessible to a human expert. The implications for an industrial application are demonstrated by transferring the developed concepts to an assembly scenario for switch-cabinet systems.

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2

Chen, Ru, Ji Xin Yang, De Quan Wang, Xue Heng Tao, Jin Shi Cheng, and Peng Zhang. "The Design and Application of Group Supporting Information Management System of the Designated Assemble Line." Applied Mechanics and Materials 330 (June 2013): 708–11. http://dx.doi.org/10.4028/www.scientific.net/amm.330.708.

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Group supporting information management system of the designated assemble line can real-time track the assembly processes of production line, count and analyze the parts plan output, plan working time, actual output, actual working time, spare parts inventory and other relevant data of production line in the production of the various stages, to improve and define the parts in the technological process of the production line, ensure the problems in the assembly process of the production line can be processed in time, to ensure the assembly parts can be matched not only on the production but also on the time of nodes of planned versus actual in the process of production assembly line,. This system has been put into commercial production; showed the effectiveness of the system.

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3

Galkin, M. G., and A. S. Smagin. "PRACTICE OF DIMENSIONAL IN THE IMPLEMENTATION OF THE METHODOLOGY OF GROUP INTERCHANGEABILITY." Spravochnik. Inzhenernyi zhurnal, no. 273 (December 2019): 13–18. http://dx.doi.org/10.14489/hb.2019.12.pp.013-018.

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The subject of consideration in this article is the process of modeling the dimensional relationships at the Assembly stage using a single-circuit graph size scheme, which describes the mechanism of the individual parts of the conjugation in the implementation of the Assembly area group interchangeability methodology, reflecting the specific conditions of production. In the context of dimensional modeling, calculation procedures are considered on the basis of the developed mathematical model, which can be applied to both single-circuit and multi-circuit size schemes with dependent size chains. In particular, for the conditions of large-scale production, the algorithm for determining the scattering field of the assembled parts sizes by sorting them into size groups is considered. The design procedure is considered on the concrete example which describes a variant of completing of details with rather wide tolerances in the Assembly unit meeting the set criterion of working capacity.

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4

Fruchart, Michel, Seung-Yeol Jeon, Kahyun Hur, Vadim Cheianov, Ulrich Wiesner, and Vincenzo Vitelli. "Soft self-assembly of Weyl materials for light and sound." Proceedings of the National Academy of Sciences 115, no. 16 (April 2, 2018): E3655—E3664. http://dx.doi.org/10.1073/pnas.1720828115.

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Soft materials can self-assemble into highly structured phases that replicate at the mesoscopic scale the symmetry of atomic crystals. As such, they offer an unparalleled platform to design mesostructured materials for light and sound. Here, we present a bottom-up approach based on self-assembly to engineer 3D photonic and phononic crystals with topologically protected Weyl points. In addition to angular and frequency selectivity of their bulk optical response, Weyl materials are endowed with topological surface states, which allow for the existence of one-way channels, even in the presence of time-reversal invariance. Using a combination of group-theoretical methods and numerical simulations, we identify the general symmetry constraints that a self-assembled structure has to satisfy to host Weyl points and describe how to achieve such constraints using a symmetry-driven pipeline for self-assembled material design and discovery. We illustrate our general approach using block copolymer self-assembly as a model system.

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5

Aguerri, J. A. L., A. Longobardi, S. Zarattini, A. Kundert, E. D’Onghia, and L. Domínguez-Palmero. "Fossil group origins." Astronomy & Astrophysics 609 (January 2018): A48. http://dx.doi.org/10.1051/0004-6361/201731711.

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Context. It is thought that fossil systems are relics of structure formation in the primitive Universe. They are galaxy aggregations that have assembled their mass at high redshift with few or no subsequent accretion. Observationally these systems are selected by large magnitude gaps between their 1st and 2nd ranked galaxies (Δm12). Nevertheless, there is still debate over whether or not this observational criterium selects dynamically evolved ancient systems. Aims. We have studied the properties of the nearby fossil group RX J075243.6+455653 in order to understand the mass assembly of this system. Methods. Deep spectroscopic observations allow us to construct the galaxy luminosity function (LF) of RX J075243.6+455653 down to Mr*+6. The analysis of the faint-end of the LF in groups and clusters provides valuable information about the mass assembly of the system. In addition, we have analyzed the nearby large-scale structure around this group. Results. We identified 26 group members within r200 ~ 0.96 Mpc. These galaxies are located at Vc = 15551 ± 65 km s-1 and have a velocity dispersion of σc = 333 ± 46 km s-1. The X-ray luminosity of the group is LX = 2.2 × 1043 h70-2 erg s-1, resulting in a mass of M = 4.2 × 1013 h70-1 within 0.5r200. The group has Δm12 = 2.1 within 0.5r200, confirming the fossil nature of this system. RX J075243.6+455653 has a central brightest group galaxy (BGG) with Mr = −22.67, one of the faintest BGGs observed in fossil systems. The LF of the group shows a flat faint-end slope (α = −1.08 ± 0.33). This low density of dwarf galaxies is confirmed by the low value of the dwarf-to-giant ratio (DGR = 0.99 ± 0.49) for this system. Both the lack of dwarf galaxies and the low luminosity of the BGG suggests that RX J075243.6+455653 still has to accrete mass from its nearby environment. This mass accretion will be achieved because it is the dominant structure of a rich environment formed by several groups of galaxies (15) within ~ 7 Mpc from the group center and with ± 1000 km s-1. Conclusions. RX J075243.6+455653 is a group of galaxies that has not yet completed the process of its mass assembly. This new mass accretion will change the fossil state of the group. This group is an example of a galaxy aggregation selected by a large magnitude gap but still in the process of the accretion of its mass.

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6

GORDANIĆ, JELICA. "IMPROVING THE UNITED NATIONS GENERAL ASSEMBLY’S WORKING METHODS AS A POSSIBILITY OF ENDING ITS MARGINALIZATION." Kultura polisa, no. 45 (July 3, 2021): 61–72. http://dx.doi.org/10.51738/kpolisa2021.18.2r.1.04.

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The paper analyses improving the United Nations General Assembly’s working methods as one of the possibilities of ending its marginalization. The General Assembly is facing numerous difficulties, including an overburdened agenda, repetitive agenda items, the need for better working organization and non-implementation of resolutions by the member states. Among the UN member states there is consent to improve the General Assembly’s working methods, but also disagreements on mechanisms it can be achieved. In order to strengthen the role and competencies of the General Assembly, an ad hoc working group on the revitalization of the work of the General Assembly (the AHWG) was established in 1991. So far, the AHWG group had made some contributions in improving the General Assembly’s working methods. The paper aims to show that efforts of the AHWG, although significant, are not sufficient to solve all problems of working methods of the General Assembly. The author concludes that the only effective way in solving the working methods of the General Assembly is the UN Charter revision.

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7

Pigatto, Luisa, Nha Il-Seong, Jürgen Hamel, Kevin Johnson, Rajesh Kochhar, Tsuko Nakamura, Nha Il-Seong, et al. "DIVISION XII / COMMISSION 41 / WORKING GROUP HISTORICAL INSTRUMENTS." Proceedings of the International Astronomical Union 3, T26B (December 2007): 228–29. http://dx.doi.org/10.1017/s174392130802423x.

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The Working Group Historical Instruments (WG-HI) was founded by the members of Commission 41 at the 2000 Manchester IAU XXIV General Assembly, with the main objectives to assemble a bibliography of existing publications relating to such instruments, and to encourage colleagues to carry out research and publish their results. Membership of the WG-HI has increased from three to nine people since its foundation. This clearly demonstrates the IAU members increasing interest in safeguarding old astronomical instruments and buildings as witness to their own country's cultural heritage and scientific progress.

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8

Woodson, Sarah A. "Structure and assembly of group I introns." Current Opinion in Structural Biology 15, no. 3 (June 2005): 324–30. http://dx.doi.org/10.1016/j.sbi.2005.05.007.

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9

Hashiba, Satoru, and Tien-Chien Chang. "PCB assembly setup reduction using group technology." Computers & Industrial Engineering 21, no. 1-4 (January 1991): 453–57. http://dx.doi.org/10.1016/0360-8352(91)90134-r.

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10

Shilyaev, Sergey, Evgeniy Slashchev, Igor Voyachek, and Rinat Shaikhov. "Rational reduction of work in progress when assembling parts of a product using the group interchangeability method." MATEC Web of Conferences 329 (2020): 03016. http://dx.doi.org/10.1051/matecconf/202032903016.

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The article discusses the method for interchangeability method. To reduce the volume of work in progress, the design of a fixed combined compensator is developed, which provides stepwise regulation. The article reducing the work in progress by stepwise regulation in multilink dimension chains when assembled using the group proposes a rational technology for the use of combined compensator, taking into account the peculiarities of the group interchangeability method. In order to reduce the work in progress during assembly using the group interchangeability method, two ways of using the combined compensator have been developed: 1 - the inclusion of a compensator in each dimensional chain collected by the group interchangeability method; 2-application of the compensator only at the stage of formation of work in progress during group assembly by replacing one of the parts with it. The peculiarity of the methods is the use of the informational advantage of group assembly — information about the actual dimensions necessary for sorting parts into groups. This eliminates the step of measuring the closing link during assembly and simplifies the design of the compensator, reducing the number of control steps.

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Дисертації з теми "Group Assembly"

1

Howarth, Martin. "An investigation of task level programming for robotic assembly." Thesis, Nottingham Trent University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241831.

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2

Veljanoski, Jovan. "Globular clusters in the Local Group as probes of galaxy assembly." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/9643.

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Understanding the formation and evolution of galaxies is one of the most active areas of research in astrophysics. Hierarchical merging of proto-galactic fragments to build more massive galaxies is the current preferred model. A key prediction of this theory is that haloes of nearby galaxies should contain remnants of this assembly process in the form of tidal debris. Found in all but the smallest of dwarf galaxies, globular clusters (GC) are excellent probes of galaxy haloes. Having high luminosities, they are favourable targets in the outer regions of galaxies where the associated stellar surface brightness is low. GCs are thought to be amongst the oldest stellar systems in the Universe, and are likely born in the most significant phases of galaxy formation. Their metallicities, ages, spatial distributions and kinematics can be used to constrain the assembly history of their host galaxy. In this thesis, I explore the photometric and kinematic properties of several GC systems in our cosmological backyard, the Local Group of galaxies. The work is based on a major spectroscopic campaign, follow-up to the photometric Pan- Andromeda Archaeological Survey (PAndAS), as well as additional optical and near-IR data sets. Radial velocities are obtained for 78 GCs in the halo ofM31, 63 of which had no previous spectroscopic information. The GCs have projected radii between ∼ 20 and 140 kpc, thus sampling the true outer halo of this galaxy. In addition, GCs in the dwarf galaxies NGC 147, NGC 185 and NGC 6822 are also spectroscopically observed. By conducting a detailed kinematic analysis, I find that GCs in the outer halo of M31 exhibit coherent rotation around the minor optical axis, in the same direction as their more centrally located counterparts, but with a smaller amplitude of 86 ± 17 km s−1. There is also evidence that the velocity dispersion of the outer halo GC system decreases as a function of projected radius from theM31 centre, and this relation can be well described by a power lawof index ≈ −0.5. I detect and discuss various velocity correlations amongst GCs that lie on stellar streams in the M31 halo. Simple Monte Carlo tests show that such configurations are unlikely to form by chance, implying that significant fraction of the GCs in the M31 halo have been accreted alongside their parent dwarf galaxies. I also estimate the dynamical mass of M31 within 200 kpc to be (1.2 − 1.6) ± 0.2 × 1012 M⊙. I also characterize the GC systems of three dwarf galaxies in the Local Group: the dwarf elliptical satellites of M31, NGC 147 and NGC 185, and the isolated dwarf irregular NGC 6822. Using uniform optical and near-IR photometry, I constrain the ages and metallicities of their constituent GCs. The metallicities of the GCs around NGC 147 and NGC 185 are found to be metal-poor ([Fe/H]. −1.25 dex), while their ages are more difficult to constrain. The GCs hosted by NGC 6822 are found to be old (>9 Gyr) and to have a spread of metallicities (−1.6 . [Fe/H] . −0.4). I find close similarity between the mean optical (V − I)0 colours of the GCs hosted by these three dwarf galaxies to those located in the M31 outer halo, consistent with the idea that dwarf galaxies akin to them might have contributed toward the assembly of the M31 outer halo GC population. Analysing their kinematics, I find no evidence for systemic rotation in either of these three GC systems. Finally, I use the available GC kinematic data to calculate the dynamical masses of NGC 147, NGC 185 and NGC 6822.

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3

Cecconi, Maria Vittoria. ""Progettazione di una pre-assembly lean model factory: il caso Biesse Group"." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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Il progetto di tesi sperimentale, svolto presso l’azienda Biesse Group, è volto all’applicazione dei principi del Lean Thinking nella progettazione di una nuova fabbrica di premontaggi di due componenti: il transfer e la tavola elevatrice. L’elaborato è nato dall’esigenza dell’azienda di liberare spazio produttivo nell’attuale stabilimento a favore di un nuovo impianto disponibile. Comprendendo la strategicità per le aziende della fase di montaggio, è stato fondamentale individuare e risolvere i muda e le inefficienze insite nella configurazione iniziale, in modo tale da poter pianificare al meglio i nuovi scenari futuri in ottica lean. Poiché la linea unica adibita al premontaggio di tutti i transfer comportava una bassa efficienza a causa della variabilità di prodotto, è stata valutata sia l’ipotesi dell’esternalizzazione sia della riprogettazione interna della soluzione presso la nuova sede, frutto di un processo volto al miglioramento continuo. Mentre in soccorso alla necessità di un ritmo produttivo snello e standardizzato, è stato valutato il premontaggio in linea per le tavole elevatrici. Gli scenari così proposti sono stati confrontati mediante un approccio combinato composto da analisi quantitativa e qualitativa, che ha permesso di individuare la soluzione ottimale per entrambi i componenti. A seguire è stata la volta dell’implementazione, dapprima dimensionando il nuovo magazzino e successivamente studiando ciascuna postazione di premontaggio, fino al layout complessivo del nuovo stabilimento. Lo studio si è concluso con una valutazione economica dell’investimento. Il progetto ha permesso di ottenere importanti miglioramenti qualitativi come un aumento dell’efficienza di sistema, una riduzione del numero di risorse e dello spazio produttivo rispetto alla soluzione attuale; così come importanti risultati quantitativi: un VAN previsto per il quinto anno pari a +424.740 € e un tempo di recupero dell’investimento iniziale previsto per la fine del secondo anno

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4

Kino, Junko Carleton University Dissertation History. "The genesis of reform politics in Upper Canada; the opposition group of the fifth parliament, 1809-1812." Ottawa, 1988.

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5

Thompson, Fred A. "Christian love in action moving Northwest Assembly of God to a new level in relationship /." Online full text .pdf document, available to Fuller patrons only, 1999. http://www.tren.com.

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6

Hille, Pascal [Verfasser]. "Advanced group III-nitride nanowire heterostructures - self-assembly and position-controlled growth / Pascal Hille." Gießen : Universitätsbibliothek, 2017. http://d-nb.info/1132510511/34.

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7

Manandhar, Prakash. "Understanding the Functional Group-dependent Self-assembly and Cellular Entry of Cationic Conjugated Polymer Nanoparticles." FIU Digital Commons, 2018. https://digitalcommons.fiu.edu/etd/3673.

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Highly fluorescent conjugated polymers (CPs) are an important class of biomaterials used for various biological applications including labelling, sensing, and delivery of biological substances. Synthetic versatility and tunable emission make CPs a superior class of biomaterials. Understanding the structure-function relationship of CPs plays a vital role in designing high performing biomaterials. The cationic CPs are self-assembled to conjugated polymer nanoparticles (CPNs) in an aqueous environment due to their amphiphilicity. The physical and biophysical properties of CPNs are highly dependent on the chemical functionality and backbone structure of CPs. Modulation of the surface property and backbone structure of CPNs play an important role for efficient internalization of CPNs into cells. The goal of this dissertation is to understand the structure function relationship of CPNs in an aqueous environment and the change in their photo physical properties upon the self-assembly of CPNs with different backbone structure upon complexation with biologically significant polysaccharides and cell membrane. This work presents the self-assembly of a set of four cationic CPs with different connectivity and backbone structure upon complexation with a linear polyanion hyaluronic acid (HA). The study of photo physical properties changes upon the complexation with series of Glycosaminoglycans (GAGs) provides more insight about how the self-assembly behavior of cationic CPs changes upon the exposure to negatively charged polysaccharides. The understanding of the self-assembly of CPNs with negatively charged biologically important macromolecules under in vitro conditions can give us an idea of photophysical property changes of CPNs during the treatment of CPNs in the cellular environment. The study of the interaction of CPNs with cell membranes using scanning ion conductance microscopy (SICM)-based topography, potential mapping, and confocal microscopy imaging is presented. CPNs are able to induce transient pore like feature formation on the cell membrane during the cellular internalization process. A comparative study of cellular labelling and delivery of siRNA of five CPNs with guanidine motif is presented. The subcellular localization and delivery of siRNA were dependent on the side chain hydrophilicity. The CPNs fabricated with hydrophilic aminoethoxyethanol possesses excellent cellular imaging with higher siRNA delivery.

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8

Cauthen, Jason Wessing. "Developing a methodology to link printed circuit board assembly yield targets to commodity group quality goals." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/49789.

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Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management; and, (S.M.)--Massachusetts Institute of Technology, Engineering Systems Division; in conjunction with the Leaders for Manufacturing Program at MIT, 2009.
Includes bibliographical references (p. 62-63).
The increasing complexity of high-end routing products, a highly diverse product mix, and continually demanding quality requirements have intensified the challenges faced by Cisco. Primary among these is managing the broad array of suppliers to ensure that the parts they are delivering meet the quality needs of the end product while balancing this with the need to remain cost competitive. Because components are often used across many product lines, it is can be difficult to determine exactly how an improvement to the quality of an individual component will impact Cisco's overall yield metrics. This thesis establishes a methodology for linking component quality to assembly-level yields. The component level quality is measured in Defective Parts Per Million (DPPM) at the Commodity Group level, and PCBA Yield is measured as the percentage of boards which meet Cisco's Six Sigma yield targets. The proof of concept for such an analytical link shows that these two metrics can be analytically related, and furthermore can be used to ensure that the effort expended to improve DPPM is optimally targeted to have an impact on assembly-level yields.
by Jason Wessing Cauthen.
S.M.
M.B.A.

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9

Takata, Doman. "A Loop Group Equivariant Analytic Index Theory for Infinite-dimensional Manifolds." Kyoto University, 2018. http://hdl.handle.net/2433/232217.

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10

Väänänen, André. "Smart Process for Automated Engineering Tasks : A case study at Volvo Group Trucks Operations." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-82773.

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Volvo Group Trucks Operations is a subordinate organization to the Volvo Group concern, which is one of the world's largest manufactures of trucks, buses, construction equipment, marine and industrial engines. Volvo Group Trucks Operations organization encompasses all production of the Volvo Group’s engines and transmissions as well as all production of Trucks. Volvo Group Trucks Operations is looking into digitize the methods utilized for information handling within their assembly plant in Tuve, Sweden, and this thesis project part in the digitization process. The currently used assembly work instructions at the assembly plant in Tuve are printed on paper and contains excessive amounts of information that makes it challenging for the assembly operators to consume the work instructions efficiently. Therefore, Volvo Group Truck Operations want look into the possibility to introduce dynamically adjustable and digital work instructions that could be tailor fitted to an operator's experience level and presented with smart technologies. The project is divided into two parts where the first part was assigned to identify the information need for smart process capable of generating dynamic digital work instructions and the second part to research how this information need could be satisfied with currently used simulation tools. The information needs analyses showed that the smart process needs to be divided into two sub-processes, one for gathering and processing production specific data into a fully detailed work instruction and the other one for filtering the fully detailed work instruction to tailor fit an operator independent of their skill level within assembly work. A framework containing three information aspects is stated to describe the information need for the smart process. These information aspects are Inputs, Smart process and Outputs. The information aspects are then further broken down into five required information areas that is important for the smart process functionality. The required information areas are Data, Attributes, Inputs, Instruction and Information structure and Instruction consummation. When combining the results for the information aspects and the required information areas, the framework for the smart process needed to be able to generate dynamic digital work instruction could be stated. Using the simulation software IPS IMMA to simulate a generic assembly demo case to generate and export production specific data in the human readable XML coding language showed that it is possible to satisfy the framework for the smart process. However, comparing the simulated data with the information need for the framework resulted in the discovery that the IPS IMMA version used in the project, PMTS event exporter, withholds information regarding the assembly work. The generated data provides information regarding movement distances, movement times and grip types when interacting with work objects. For the smart process to be able to generate fully detailed instructions it needs to be supplied with additional information regarding the work objects in action and directions of movements conducted during the assembly work. Despite this withhold of information from the export data, it would still be possible to fully satisfy the framework for the smart process. All the missing information is contained within the IPS IMMA hence the software needs an update that adds the additional information to the data export.

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Книги з теми "Group Assembly"

1

Assembly, North Atlantic. Working group on terrorism: Final report : North Atlantic Assembly papers. S.l: s.n, 1987.

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2

Illinois. Dept. of Human Services. House Resolution 201 Work Group: Final legislative report, 96th General Assembly. [Springfield, Ill.]: Illinois Dept. of Human Services, 2011.

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3

Illinois. Dept. of Human Services. House Resolution 201 Work Group: Final legislative report, 96th General Assembly. [Springfield, Ill.]: Illinois Dept. of Human Services, 2011.

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4

Swart, Lydia. The Group of 77: Perspectives on its role in the UN General Assembly. New York, N.Y: Center for UN Reform Education, 2011.

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5

Division, United States General Accounting Office Accounting and Information Management. Interparliamentary Group review procedures. Washington, D.C. (P.O. Box 37050, Washington, D.C. 20013): The Office, 1999.

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6

1971-, Hoggett Steven, ed. The Frantic Assembly: Book of devising theatre. New York, NY: Routledge, 2009.

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7

Group, Commonwealth Observer. Presidential and National Assembly elections in Zambia, 31 October 1991: Report of the Commonwealth Observer Group. London: Commonwealth Secretariat, 1992.

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8

Group, Commonwealth Observer. Presidential and National Assembly elections in Zambia: The report of the Commonwealth Observer Group. London: Commonwealth Secretariat, 1992.

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9

Secretariat, Commonwealth, and Commonwealth Observer Group, eds. The General election in Lesotho, 27 March 1993: The report of the Commonwealth Observer Group. London: Commonwealth Secretariat, 1993.

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10

Virginia. General Assembly. Joint Subcommittee To Study Private Youth and Single Family Group Homes in the Commonwealth. Report of the Joint Subcommittee Studying Private Youth and Single Family Group Homes in the Commonwealth: To the Governor and the General Assembly of Virginia. Richmond, Va: Commonwealth of Virginia, 2006.

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Частини книг з теми "Group Assembly"

1

Burbidge, J. L. "Economic Advantages of Group Assembly." In Advances in Manufacturing Technology, 388–99. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4757-1355-8_54.

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Mok, Hak-Soo, Chang-Hyo Han, Chan-Hyoung Lim, John-Hee Hong, and Jong-Rae Cho. "Design for Using Purpose of Assembly-Group." In Computational Science and Its Applications - ICCSA 2006, 832–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11751595_88.

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Knight, W. A. "Group Technology, Concurrent Engineering and Design for Manufacture and Assembly." In Group Technology and Cellular Manufacturing, 15–36. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5467-7_2.

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Radkowski, Rafael, and Jarid Ingebrand. "HoloLens for Assembly Assistance - A Focus Group Report." In Lecture Notes in Computer Science, 274–82. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-57987-0_22.

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5

Leon, V. Jorge, and In-Jae Jeong. "An Improved Group Setup Strategy for PCB Assembly." In Computational Science and Its Applications – ICCSA 2005, 312–21. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11424925_34.

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6

Kalta, M., T. Lowe, and D. Tyler. "A Decision Support System for Designing Assembly Cells in Apparel Industry." In Group Technology and Cellular Manufacturing, 255–72. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5467-7_15.

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Lang, Norman, Jens Saak, and Peter Benner. "Model Order Reduction for Thermo-Elastic Assembly Group Models." In Lecture Notes in Production Engineering, 85–93. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-12625-8_8.

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Jeong, In-Jae. "An Entropy Based Group Setup Strategy for PCB Assembly." In Computational Science and Its Applications - ICCSA 2006, 698–707. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11751595_74.

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9

Valette, Alain. "On the Baum-Connes Assembly Map for Discrete Groups." In Proper Group Actions and the Baum-Connes Conjecture, 79–127. Basel: Birkhäuser Basel, 2003. http://dx.doi.org/10.1007/978-3-0348-8089-3_2.

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10

Suzuki, Noriko, Mayuka Imashiro, Mamiko Sakata, and Michiya Yamamoto. "The Effects of Group Size in the Furniture Assembly Task." In Human Interface and the Management of Information: Supporting Learning, Decision-Making and Collaboration, 623–32. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-58524-6_51.

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Тези доповідей конференцій з теми "Group Assembly"

1

Mohan, K., G. Shirley, and J. Sweet. "Summary Report: Package/assembly Discussion Group." In International Report on Wafer Level Reliability Workshop. IEEE, 1992. http://dx.doi.org/10.1109/iwlr.1992.658009.

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Liu, Jing, and Ming Lu. "Optimization on Supply-Constrained Module Assembly Process." In 25th Annual Conference of the International Group for Lean Construction. International Group for Lean Construction, 2017. http://dx.doi.org/10.24928/2017/0104.

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Liu, Hangfan, Yongzhi Su, Jason Rambach, Alain Pagani, and Didier Stricker. "TGA: Two-level Group Attention for Assembly State Detection." In 2020 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct). IEEE, 2020. http://dx.doi.org/10.1109/ismar-adjunct51615.2020.00074.

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Gallegos-Nieto, Enrique, Hugo I. Medellín-Castillo, Germánico González-Badillo, and Theodore Lim. "Virtual Training of Assembly Tasks Using Virtual Reality Techniques and Haptic Systems." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-39270.

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Traditional computer aided design (CAD) and computer aided assembly planning (CAAP) systems are still limited because they do not consider human experience and knowledge capture to support intuitively the assembly planning. Moreover, some aspects such as quality testing, shop floor layout, human ergonomics and physical constraints are not considered during the assembly evaluation. Virtual reality (VR) systems can be used to simulate, analyze and optimize manufacturing processes including assembly. The use of (VR) and haptic systems can improve the efficiency of assembly process planning, evaluation and training. This paper describes an experiment conducted to investigate the benefits of a haptic aided virtual reality system for assembly training of real assembly tasks. Three groups of individuals with different level of training were considered in the evaluation. The first group received training by the virtual reality system including haptic feedback. The second group also received the same virtual training but without haptic feedback. The third group received no training in the virtual environment. Upon completion of the training, the assembly performance of the three different groups was evaluated by the construction of a real assembly task. The results have shown a significant improvement in the assembly performance of individuals who undertook a virtual training with force feedback, compared with those who did not take training.

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Akchurin, A. D., and V. V. Bochkarev. "Calculation of midlatitude sporadic E group delay as function of frequency." In 2011 XXXth URSI General Assembly and Scientific Symposium. IEEE, 2011. http://dx.doi.org/10.1109/ursigass.2011.6051012.

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Itoh, Akitoshi, Shigehiko Houri, and Wataru Tamura. "Micro Parts Assembly by Formation Controlled Euglena Group Using Their Phototaxis." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66600.

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This paper describes the automatic manipulation system by the motion controlled mass group of Euglena. The group of Euglena was formed by the scanned blue laser beam. Euglena gather around the blue laser by their positive orientation phototaxis. We can transport the object by Euglena group by making collision to the Euglena group to the object and moving the scanning laser to move the Euglena group. In this study, a plastic rectangular rod was transported to the aiming position by using this system. We have to use visual feedback control program to decide the laser irradiating position to achieve the stable transportation preventing the wear or the adsorption. Simple two-dimensional shaped mechanical parts are assembled by Euglena group. Therefore, we can use Euglena as living micromachines.

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Syvanen, P. A., V. Toivonen, and J. Hytonen. "Case study: Time-based benefits of agile assembly lines compared to assembly in a group of cells." In IET International Conference on Agile Manufacturing (ICAM 2007). IEE, 2007. http://dx.doi.org/10.1049/cp:20070008.

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Hoefler, Torsten, Christian Siebert, and Andrew Lumsdaine. "Group Operation Assembly Language - A Flexible Way to Express Collective Communication." In 2009 International Conference on Parallel Processing (ICPP). IEEE, 2009. http://dx.doi.org/10.1109/icpp.2009.70.

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Sidwell, Vince, and David Darmofal. "A Selective Assembly Method to Reduce the Impact of Blade Flow Variability on Turbine Life." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53930.

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A selective assembly method is proposed that decreases the impact of blade passage manufacturing variability on the life of a row of cooled turbine blades. The method classifies turbine blades into groups based on the effective flow areas of the blade passages, then a row of blades is assembled exclusively from blades of a single group. A simplified classification is considered in which blades are divided into low-flow, nominal-flow, and high-flow groups. For rows assembled from the low-flow class, the blade plenum pressure will tend to rise and the individual blade flows will be closer to the design intent than for a single low-flow blade in a randomly-assembled row. Since the blade metal temperature is strongly dependent on the blade flow, selective assembly can lower the metal temperature of the lowest-flowing blades and increase the life of a turbine row beyond what is possible from a randomly-assembled row. Furthermore, the life of a nominal-flow or high-flow row will be significantly increased (relative to a randomly-assembled row) since the life-limiting low-flow blades would not be included in these higher-flowing rows. The impact of selective assembly is estimated using a model of the first turbine rotor of an existing high-bypass turbofan. The oxidation lives of the nominal-flow and high-flow blade rows are estimated to increase approximately 50% and 100% compared to randomly-assembled rows, while the life of the low-flow rows are the same as the randomly-assembled rows. Alternatively, selective assembly can be used to increase turbine inlet temperature while maintaining the maximum blade metal temperatures at random-assembly levels. For the nominal-flow and high-flow classes, turbine inlet temperature increases are estimated to be equivalent to the turbine inlet temperature increases observed over several years of gas turbine technology development.

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Han, Youngmo, and F. C. Park. "Least Squares Tracking on the Euclidean Group." In ASME 2000 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/detc2000/mech-14213.

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Abstract A large class of problems in robotics, e.g., tracking with obstacle avoidance, compliant motion control, and complex assembly, can be formulated as a least-squares tracking problem on the Euclidean group subject to constraints on the state and/or control. In this paper we develop a general, mathematically rigorous optimal control framework for this class of problems, and derive a simple closed-form analytic solution. Our formalism can be viewed as generalization to the Euclidean group of the linear quadratic regulator (LQR) subject to state equality constraints. Examples from force-guided complex assembly and tracking with obstacle avoidance are given.

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Звіти організацій з теми "Group Assembly"

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Dwyer, J. M. Performance Oriented Packaging Testing of Task A Assembly in Wooden Container (NSWC 1H Drawing 10000) for Packing Group II Solid Hazardous Materials. Fort Belvoir, VA: Defense Technical Information Center, May 1992. http://dx.doi.org/10.21236/ada251518.

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Coutts, Lewis. Performance Oriented Packaging Testing of Container for the MK 50 Torpedo Lanyard Start Assembly for Packing Group 2 Solid Hazardous Materials. Revision A. Fort Belvoir, VA: Defense Technical Information Center, September 1993. http://dx.doi.org/10.21236/ada269659.

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Kotun, Dennis M. Performance Oriented Packaging Testing of Container, Shipping and Storage, for the MK 4 Mod 0 Training Limpet Assembly for Packing Group 2 Solid Hazardous Materials. Fort Belvoir, VA: Defense Technical Information Center, September 1992. http://dx.doi.org/10.21236/ada255997.

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4

Lehtimaki, Susanna, Aisling Reidy, Kassim Nishtar, Sara Darehschori, Andrew Painter, and Nina Schwalbe. Independent Review and Investigation Mechanisms to Prevent Future Pandemics: A Proposed Way Forward. United Nations University International Institute for Global Health, April 2021. http://dx.doi.org/10.37941/rr/2021/1.

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Анотація:

The COVID-19 pandemic has created enormous challenges for national economies, livelihoods, and public services, including health systems. In January 2021, the World Health Organization proposed an international treaty on pandemics to strengthen the political commitment towards global pandemic preparedness, control, and response. The plan is to present a draft treaty to the World Health Assembly in May 2021. To inform the design of a support system for this treaty, we explored existing mechanisms for periodic reviews conducted either by peers or an external group as well as mechanisms for in-country investigations, conducted with or without country consent. Based on our review, we summarized key design principles requisite for review and investigation mechanisms and explain how these could be applied to pandemics preparedness, control, and response in global health. While there is no single global mechanism that could serve as a model in its own right, there is potential to combine aspects of existing mechanisms. A Universal Periodic Review design based on the model of human rights treaties with independent experts as the authorized monitoring body, if made obligatory, could support compliance with a new pandemic treaty. In terms of on-site investigations, the model by the Committee on Prevention of Torture could lend itself to treaty monitoring and outbreak investigations on short notice or unannounced. These mechanisms need to be put in place in accordance with several core interlinked design principles: compliance; accountability; independence; transparency and data sharing; speed; emphasis on capabilities; and incentives. The World Health Organization can incentivize and complement these efforts. It has an essential role in providing countries with technical support and tools to strengthen emergency preparedness and response capacities, including technical support for creating surveillance structures, integrating non-traditional data sources, creating data governance and data sharing standards, and conducting regular monitoring and assessment of preparedness and response capacities.

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Davis, Cathlyn. Summative Evaluation: UFERN Framework Professional Learning Community. Oregon State University, March 2022. http://dx.doi.org/10.5399/osu/1153.

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The UFERN Framework Professional Learning Community project was funded as a supplement to the existing NSF-funded Undergraduate Field Experiences Research Network (UFERN), which sought to build a vibrant, supportive, and sustainable collaborative network that fostered effective undergraduate field experiences. The goals of the UFERN Framework Professional Learning Community (PLC) supplement were: • To support a small group of field educators in intentional design, implementation and assessment of student-centered undergraduate field experiences in a range of field learning contexts; • To develop effective strategies for supporting undergraduate field educators in using the UFERN Framework as an aid for designing, implementing, and assessing student-centered undergraduate field experience programs; • To assemble vignettes featuring applications of the UFERN Framework in a range of program contexts; and • To expand the community of field educators interested in designing, implementing, and assessing student-centered undergraduate field learning experiences. Sixteen educators participated in the PLC, which targeted participants who taught and facilitated a range of undergraduate field experiences (UFEs) that varied in terms of setting, timing, focus and student population. Due to the COVID pandemic, the originally-planned three-month intensive training took place over nine months (January to October 2021). It consisted of seven video conference sessions (via Zoom) with presentations and homework assignments. It included independent work, as well as guided group discussions with project leaders and other participants, which were supported by online collaborative tools.

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Corriveau, L., J. F. Montreuil, O. Blein, E. Potter, M. Ansari, J. Craven, R. Enkin, et al. Metasomatic iron and alkali calcic (MIAC) system frameworks: a TGI-6 task force to help de-risk exploration for IOCG, IOA and affiliated primary critical metal deposits. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/329093.

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Australia's and China's resources (e.g. Olympic Dam Cu-U-Au-Ag and Bayan Obo REE deposits) highlight how discovery and mining of iron oxide copper-gold (IOCG), iron oxide±apatite (IOA) and affiliated primary critical metal deposits in metasomatic iron and alkali-calcic (MIAC) mineral systems can secure a long-term supply of critical metals for Canada and its partners. In Canada, MIAC systems comprise a wide range of undeveloped primary critical metal deposits (e.g. NWT NICO Au-Co-Bi-Cu and Québec HREE-rich Josette deposits). Underexplored settings are parts of metallogenic belts that extend into Australia and the USA. Some settings, such as the Camsell River district explored by the Dene First Nations in the NWT, have infrastructures and 100s of km of historic drill cores. Yet vocabularies for mapping MIAC systems are scanty. Ability to identify metasomatic vectors to ore is fledging. Deposit models based on host rock types, structural controls or metal associations underpin the identification of MIAC-affinities, assessment of systems' full mineral potential and development of robust mineral exploration strategies. This workshop presentation reviews public geoscience research and tools developed by the Targeted Geoscience Initiative to establish the MIAC frameworks of prospective Canadian settings and global mining districts and help de-risk exploration for IOCG, IOA and affiliated primary critical metal deposits. The knowledge also supports fundamental research, environmental baseline assessment and societal decisions. It fulfills objectives of the Canadian Mineral and Metal Plan and the Critical Mineral Mapping Initiative among others. The GSC-led MIAC research team comprises members of the academic, private and public sectors from Canada, Australia, Europe, USA, China and Dene First Nations. The team's novel alteration mapping protocols, geological, mineralogical, geochemical and geophysical framework tools, and holistic mineral systems and petrophysics models mitigate and solve some of the exploration and geosciences challenges posed by the intricacies of MIAC systems. The group pioneers the use of discriminant alteration diagrams and barcodes, the assembly of a vocab for mapping and core logging, and the provision of field short courses, atlas, photo collections and system-scale field, geochemical, rock physical properties and geophysical datasets are in progress to synthesize shared signatures of Canadian settings and global MIAC mining districts. Research on a metamorphosed MIAC system and metamorphic phase equilibria modelling of alteration facies will provide a foundation for framework mapping and exploration of high-grade metamorphic terranes where surface and near surface resources are still to be discovered and mined as are those of non-metamorphosed MIAC systems.

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Hogan, Michael, and Michael Gallaher. Quantitative Indicators for Country-Level Innovation Ecosystems. RTI Press, May 2018. http://dx.doi.org/10.3768/rtipress.2018.op.0051.1805.

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Innovation has been shown to be a key factor in determining a country’s competitiveness and economic growth potential. Through investments in education and research and development, many developing countries have tried to avoid the “middle income trap” of stagnation by working to create high-value employment opportunities. To better understand country-level readiness to innovate, we have compiled a set of publicly available data indicators and created a data tool to illustrate innovation capabilities and infrastructure by country. Our approach builds on and advances existing national innovation metrics by constructing transparent, publicly sourced indicators that emphasize changes over time and interrelationships between different indicators, as opposed to creating simple indices across groups of indicators. This occasional paper is targeted to an applied audience, explaining the methods used to assemble the data, an overview of the indicators, practical applications of the data, summary statistics, and data limitations. The data are not intended to be a tool for providing answers about innovation, but rather a starting point for future work including market landscaping, country-level diagnostics, and qualitative protocols for research.

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Jung, Jacob, Stephanie Hertz, and Richard Fischer. Summary of Collaborative Wildlife Protection and Recovery Initiative (CWPRI) conservation workshop : Least Bell’s Vireo. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/42102.

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This special report summarizes the regional workshop held 24–26 April 2018 at the US Fish and Wildlife Service (USFWS) Ecological Services Office in Carlsbad, California on the importance of collaboration among federal, state, and nongovernmental agencies to facilitate the recovery of threatened and endangered species (TES). This workshop focused primarily on one species, the least Bell’s vireo (LBVI), and how to achieve full recovery and eventual delisting through agency partnerships. A major theme of the workshop was applying the Endangered Species Act (ESA) Section 7(a)(1) conservation planning process as a building block towards recovery of LBVI—as well as other threatened, endangered, and at-risk riparian species within the Southwest. The main objective of this workshop was to assemble an interagency and interdisciplinary group of wildlife biologists and managers to detail how the Section 7(a)(1) conservation planning approach, in consultation with the USFWS, can assist in the recovery of LBVI primarily on federal lands but also other public and private lands. Goals of this workshop were to (1) review Section 7(a)(1); (2) outline LBVI ecosystem processes, life history, threats, and conservation solutions; and (3) develop and organize agency commitments to collaborative conservation practices.

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Vakharia, Vikram, Shoshana Arad, Yonathan Zohar, Yacob Weinstein, Shamila Yusuff, and Arun Ammayappan. Development of Fish Edible Vaccines on the Yeast and Redmicroalgae Platforms. United States Department of Agriculture, February 2013. http://dx.doi.org/10.32747/2013.7699839.bard.

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Betanodaviruses are causative agents of viral nervous necrosis (VNN), a devastating disease of cultured marine fish worldwide. Betanodavirus (BTN) genome is composed of two single-stranded, positive-sense RNA molecules. The larger genomic segment, RNA1 (3.1 kb), encodes the RNA-dependent RNA polymerase, while the smaller genomic segment, RNA 2 (1.4kb), encodes the coat protein. This structural protein is the host-protective antigen of VNN which assembles to form virus-like particles (VLPs). BTNs are classified into four genotypes, designated red-spotted grouper nervous necrosis virus (RGNNV), barfin flounder nervous necrosis virus (BFNNV), tiger puffer nervous necrosis virus (TPNNV), and striped jack nervous necrosis virus (SJNNV), based on phylogenetic analysis of the coat protein sequences. RGNNV type is quite important as it has a broad host-range, infecting warm-water fish species. At present, there is no commercial vaccine available to prevent VNN in fish. The general goal of this research was to develop oral fish vaccines in yeast and red microalgae (Porphyridium sp.) against the RGNNV genotype. To achieve this, we planned to clone and sequence the coat protein gene of RGNNV, express the coat protein gene of RGNNV in yeast and red microalgae and evaluate the immune response in fish fed with recombinantVLPs antigens produced in yeast and algae. The collaboration between the Israeli group and the US group, having wide experience in red microalgae biochemistry, molecular genetics and large-scale cultivation, and the development of viral vaccines and eukaryotic protein expression systems, respectively, was synergistic to produce a vaccine for fish that would be cost-effective and efficacious against the betanodavirus infection.

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Atkinson, E. A. Regional mapping and qualitative petroleum resource assessment of the Magdalen Basin, Gulf of St. Lawrence, Quebec, Prince Edward Island, New Brunswick, Nova Scotia, and Newfoundland and Labrador. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331452.

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The Geological Survey of Canada conducted a broad regional study of the Magdalen Basin in the Gulf of St. Lawrence, as part of the Marine Conservation Targets initiative. MCT is a national initiative to protect more of Canada's offshore areas, and resource assessment and related regional mapping are part of the review process. This study assembled a large seismic and geologic database that allowed new regional mapping of several key horizons in this basin. Digital seismic data was donated by industry, and reprocessing undertaken both in-house and with contractors. Wells were correlated and tops from literature were used to indentify regional reflection packages. Regionally consistent two-way time interpretations add to confidence. Depth conversion used regional time-depth functions from literature, which were developed from refraction data, with a residual correction for the water column. Nine regional depth maps and eight isopach maps were produced, including Pre-Horton Basement, Horton Group Isopach, Base Windsor Group, Top Salt, Top Bradelle Formation, Bradelle / Cumberland Isopach, and Top Cable Head Formation. These maps illustrate that the Pre-Horton basement is about 15 km deep in the centre of the basin. Two main trends are visible in the Horton Grabens, which may relate to basin formation, and no significant reactivation of deeper Appalachian structure is observed. In the basin centre, the more robust Base Windsor Unconformity horizon reaches about 12 km deep, and a key reservoir and source sequence in the Bradelle Formation reaches 7 km. These maps are useful for considering regional stratigraphy. The new mapping also constrained basin models and became the input for our Qualitative Petroleum Potential map. Basin modelling reveals scenarios where oil may be preserved. The petroleum potential of the region is highest north of Îles de la Madeleine and southeast of Îles de la Madeleine and northwest of Cape Breton.

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