Готові списки джерел за темами / ACPF

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Добірка наукової літератури з теми "ACPF"

Автор: Grafiati
Опубліковано: 28 вересня 2024

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Статті в журналах з теми "ACPF"

1

Elwardani, Ghada Ezzeldin, Tarek Abdel Hamid Harhash, and Ahmed Abbas Zaky. "Effect of Er,Cr:YSGG on Remineralization Using CPP - ACPF (MI - Paste Plus) after Enamel Erosion Caused by Carbonated Soft Drink in Primary Teeth: In-Vitro Study." Open Access Macedonian Journal of Medical Sciences 7, no. 7 (April 12, 2019): 1184–92. http://dx.doi.org/10.3889/oamjms.2019.256.

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Анотація:
BACKGROUND: Erosion is a widespread phenomenon with higher predilection in primary dentition. AIM: The aim of the present study is to assess the remineralising effect of Er,Cr:YSGG laser application combined with CPP-ACPF after erosive demineralisation by Coca-Cola in primary teeth. METHODS: Fifty teeth (n = 10) were divided into; Group I: Artificial saliva, (Saliva natural, Medac, UK), Group II: CPP-ACPF (MI Paste Plus, GC Corp, USA), Group III: Er,Cr:YSGG (Waterlase iPlus, USA), Group IV: CPP-ACPF + Er,Cr:YSGG, Group V: Er,Cr:YSGG + CPP-ACPF. Teeth were immersed in Coca-Cola for 10 min, 5 times/day for 5 days. DIAGNOdent (DD) measurements were taken before and after the experiment. RESULTS: There was a significant increase in DD readings after erosive-treatment cycles in all test groups. The highest reading was in samples immersed in artificial saliva, and the lowest was in those subjected to combined CPP-ACPF and Er,Cr:YSGG laser application, regardless of the sequence used. There was no significant difference between samples immersed in artificial saliva, and after CPP-ACPF application. Similarly, there was no significant difference between samples treated by combined treatment of CPP-ACPF and Er,Cr:YSGG application. However, there was a significant difference between samples immersed in artificial saliva or treated with CPP-ACPF application and those subjected to combined treatment CPP-ACPF along with Er,Cr:YSGG. CONCLUSION: Combining Er,Cr:YSGG laser and CPP-ACPF paste significantly increased enamel remineralisation, regardless of the sequence implemented. Saliva naturally and CPP-ACPF application had a comparable effect on remineralisation.
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2

Dazé Querry, Natasha, Xavier Bordeleau, Karen A. Harper, and Sean P. Basquill. "Multiscale habitat characterization of herbaceous Atlantic Coastal Plain Flora on lakeshores in Nova Scotia." Botany 95, no. 6 (June 2017): 587–98. http://dx.doi.org/10.1139/cjb-2016-0267.

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Анотація:
Atlantic Coastal Plain Flora (ACPF) are a group of plants mostly inhabiting lakeshores along the Atlantic coast of the United States, with disjunct populations in Nova Scotia and Ontario. To better define their ecological requirements, the main objective of this study was to determine the factors (biotic and abiotic habitat components) influencing ACPF communities (distribution, species abundance, and richness) at both the landscape and local scales. On 16 lakeshores in southwestern Nova Scotia, we characterized ACPF communities and habitat within 20 cm square contiguous quadrats distributed along 20 m transects (landscape scale) and in 5 m × 5 m grids (local scale). Performing redundancy analysis (n = 16 transects), we found that at the landscape scale, shoreline slope and shrub species distribution influenced the quantity of suitable habitat available for ACPF, with mineral shorelines supporting higher ACPF richness. Using spatial generalized linear mixed models (n = 3125 quadrats in five grids), we found that elevation, vegetation elements (shrubs, sundews, graminoids), and substrate type mostly influenced ACPF presence and abundance. ACPF also showed inter-specific differences in habitat preferences. Defining ACPF ecological requirements at both the landscape and local scales is important to guide conservation and management actions in Nova Scotia and throughout their North American range.
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3

Ghanim Rahman, Rafal, and Ban Sahib Diab. "Efficacy of different remineralization agents on microhardness and chemical composition of enamel white spot lesion." F1000Research 13 (May 17, 2024): 505. http://dx.doi.org/10.12688/f1000research.149166.1.

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Анотація:
Background White spot lesions (WSLs) are frequently linked with low microhardness and mineral content changes. several strategies have been employed to deal with these problems. This investigation aimed to analyze the microhardness and mineral content changes after remineralization with bioactive glass (BAG) and casein phospho-peptide-amorphous calcium phosphate with fluoride (CPP-ACPF). Methods Twenty sound maxillary first premolars extracted were used to obtain a total of one hundred enamel samples. forty enamel slabs were split into four experimental groups (n = 10 each): Group I, BAG; Group II, BAG+CPP-ACPF; Group III, CPP-ACPF varnish; and Group IV, artificial saliva (negative control). To create artificial WSLs, all samples were preserved in a prepared demineralizing agent for 72 h before treatment with remineralizing agents. Vickers microhardness test was performed. Additionally, 60 enamel samples were selected for analysis using energy dispersive spectroscopy (EDX) and assigned to six experimental groups; the first four groups were similar to that used in the microhardness test along with Group V: WSLs, and Group VI: baseline. The statistical analyses employed in this study included Tukey’s HSD (p<0.05), one-way ANOVA, and Shapiro-Wilk. Result Regarding surface microhardness, the BAG+CPP-ACPF group showed the most favorable recovery, which was better than the outcomes of the BAG and CPP-ACPF groups. A statistically significant change (p <0.05) was not observed between them. Similarly, for mineral content change, the BAG+CPP-ACPF group demonstrated the greatest result, The BAG group came next, and the CPP-ACPF group came last. Conclusion The BAG+CPP-ACPF group might be regarded as the best course of treatment for enhancing both the surface microhardness and mineral content (Ca, P), while the control group (Artificial saliva) showed the least satisfactory results in comparison. After demineralization, mineral content and microhardness decreased in all samples. Therefore, BAG+CPP-ACPF significantly improved the surface microhardness and mineral content.
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4

Ghanim Rahman, Rafal, and Ban Sahib Diab. "Efficacy of different remineralization agents on microhardness and chemical composition of enamel white spot lesion." F1000Research 13 (September 3, 2024): 505. http://dx.doi.org/10.12688/f1000research.149166.2.

Повний текст джерела
Анотація:
Background White spot lesions (WSLs) are frequently linked with low microhardness and mineral content changes. several strategies have been employed to deal with these problems. This investigation aimed to analyze the microhardness and mineral content changes after remineralization with bioactive glass (BAG) and casein phospho-peptide-amorphous calcium phosphate with fluoride (CPP-ACPF). Methods Twenty sound maxillary first premolars extracted were used to obtain a total of one hundred enamel samples. forty enamel slabs were split into four experimental groups (n = 10 each): Group I, BAG; Group II, BAG+CPP-ACPF; Group III, CPP-ACPF varnish; and Group IV, artificial saliva (negative control). To create artificial WSLs, all samples were preserved in a prepared demineralizing agent for 72 h before treatment with remineralizing agents. Vickers microhardness test was performed. Additionally, 60 enamel samples were selected for analysis using energy dispersive spectroscopy (EDX) and assigned to six experimental groups; the first four groups were similar to that used in the microhardness test along with Group V: WSLs, and Group VI: baseline. The statistical analyses employed in this study included Tukey’s HSD (p<0.05), one-way ANOVA, and Shapiro-Wilk. Result Regarding surface microhardness, the BAG+CPP-ACPF group showed the most favorable recovery, which was better than the outcomes of the BAG and CPP-ACPF groups. A statistically significant change (p <0.05) was not observed between them. Similarly, for mineral content change, the BAG+CPP-ACPF group demonstrated the greatest result, The BAG group came next, and the CPP-ACPF group came last. Conclusion The BAG+CPP-ACPF group might be regarded as the best course of treatment for enhancing both the surface microhardness and mineral content (Ca, P), while the control group (Artificial saliva) showed the least satisfactory results in comparison. After demineralization, mineral content and microhardness decreased in all samples. Therefore, BAG+CPP-ACPF significantly improved the surface microhardness and mineral content.
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5

Wiryani, Miftah, Billy Sujatmiko, and Rini Bikarindrasari. "Pengaruh lama aplikasi bahan remineralisasi casein phosphopeptide amorphous calcium phosphate fluoride (CPP-ACPF) terhadap kekerasan email." Majalah Kedokteran Gigi Indonesia 2, no. 3 (December 30, 2016): 141. http://dx.doi.org/10.22146/majkedgiind.11250.

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Анотація:
The effect of application time of CPP-ACPF on enamel hardness. Remineralization process can increase the hardness of enamel due to demineralization process. CPP-ACPF is a material used for enhancing remineralization. However, the application time of CPP-ACPF remain controversial among previous studies. This study was aimed to investigate the effect of various application times of CPP-ACPF on enamel hardness. Thirty premolar teeth were mounted on self cure acrylic resin, and were divided into 5 groups. Demineralization process was performed, and enamel hardness (pre-est) was measured by Vickers Hardness Tester. Remineralization was performed using CPP-ACPF in various application times: 3, 15, 30, 60 minutes, and the control group was only immersed in artificial saliva for 60 minutes, then enamel hardness was measured (posttest). Data were analyzed using paired t-test, one-way ANOVA, and post-hoc Bonferroni. The result of paired t-test showed that all the groups, except the control group, have an increasing enamel hardness that was statistically significant. One-way ANOVA results showed no statistically significant difference among the groups at pretest, but one-way ANOVA results showed statistically significant difference at posttest. Post hoc Bonferroni showed that the significantly difference at posttest occurred between all the treatment groups against the control group, but there were no significant differences between the 3 minutes group to 15 minutes group, between 15 minutes group to 30 minutes group, and between 30 minutes group to 60 minutes group. It was concluded that various application times of CPP-ACPF had an effect on increasing enamel hardness. ABSTRAKProses remineralisasi dapat meningkatkan kekerasan email yang menurun akibat demineralisasi. Bahan remineralisasi yang ideal adalah CPP-ACPF. Terdapat perbedaan lama aplikasi CPP-ACPF dalam berbagai penelitian, selain itu total lama aplikasi yang dibutuhkan CPP-ACPF dalam mekanisme remineralisasi belum diketahui. Penelitian ini dilakukan untuk mengetahui pengaruh lama aplikasi CPP-ACPF terhadap kekerasan email. Tiga puluh mahkota gigi premolar yang ditanam dalam resin akrilik self cure dibagi menjadi lima kelompok, kemudian dilakukan proses demineralisasi. Kekerasan email kemudian diukur menggunakan alat Vickers Hardness Tester. Proses remineralisasi menggunakan CPP-ACPF dilakukan pada masing-masing kelompok dalam berbagai lama aplikasi yaitu 3 menit, 15 menit, 30 menit, 60 menit, serta perendaman dalam saliva buatan selama 60 menit (kontrol). Kekerasan email kemudian diukur kembali (posttest). Data diuji secara statistik menggunakan t-test berpasangan, one-way ANOVA dan post hoc Bonferroni. Hasil paired t-test menunjukkan bahwa seluruh kelompok, kecuali kelompok kontrol, mengalami peningkatan rata-rata kekerasan email secara signifikan. Hasil uji one-way ANOVA pada pretest menunjukkan tidak ada perbedaan kekerasan email yang signifikan. Hasil uji one-way ANOVA pada posttest menunjukkan terdapat perbedaan kekerasan email yang signifikan. Hasil uji post Hoc Bonferroni menunjukkan bahwa terdapat perbedaan kekerasan email yang signifikan pada seluruh kelompok perlakuan terhadap kelompok kontrol, tetapi perbedaan kekerasan email antara kelompok lama aplikasi 3 menit dengan 15 menit, antara lama aplikasi 15 menit dengan 30 menit, serta antara lama aplikasi 30 menit dengan 60 menit tidak menunjukkan perbedaan kekerasan email yang signikan. Kesimpulan penelitian ini adalah berbagai lama aplikasi CPP-ACPF berpengaruh terhadap peningkatan kekerasan email.
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6

Yuan, Yongping, and Samantha Whisenant. "Integrating ACPF and SWAT to Assess Potential Phosphorus Loading Reductions to Lake Erie: A Case Study." Applied Engineering in Agriculture 39, no. 6 (2023): 645–55. http://dx.doi.org/10.13031/aea.15644.

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Анотація:
Highlights ACPF is a user-friendly, flexible tool used to spatially identify site-specific placement opportunities for a menu of ACPs. ACPF can be integrated with SWAT to evaluate the potential effectiveness of proposed ACP opportunities. 40% reduction of TP can be achieved with a combination of ACP opportunities. ACPs were less effective in reducing SRP, compared to sediment and TP. Abstract. Lake Erie is threatened by eutrophication and harmful algal blooms due to excess nutrient loading from agricultural sources. To reduce nutrient loading to Lake Erie, widespread adoption of agricultural conservation practices (ACPs) has been proposed. However, identifying appropriate and effective locations for ACP placement has been challenging. Another challenge is understanding how effective the ACPs are in reducing nutrient loading and achieving water quality goals. Therefore, identifying the most effective ACPs, as well as spatially optimal placement of ACPs to achieve the maximum environmental benefit, is of paramount importance. The main objective of this study was to integrate the Agricultural Conservation Planning Framework (ACPF) with the Soil and Water Assessment Tool (SWAT) to assess the potential effectiveness of ACPs developed by ACPF in reducing phosphorous losses from an agriculturally dominated small watershed within the Western Lake Erie Basin. ACPF was used to develop a series of ACP opportunity plans, which were then integrated into a calibrated SWAT model. SWAT simulation of ACPF developed ACP opportunity plans for grassed waterways (GWs), contour buffer strips (CBSs), water and sediment control basins (WASCOBs), nutrient removal wetlands (NRWs), and farm ponds (FPs) revealed various reductions in sediment, soluble reactive phosphorus (SRP), and total phosphorus (TP) at the watershed-scale. The simulation of individual ACP opportunity plans revealed that GW resulted in the greatest annual average SRP and TP reductions (19% and 30%, respectively), followed by CBS (16% and 22%), and WASCOB (13% and 16%); NRWs were the most effective at reducing sediment (56%) but increased SRP (27%). Combined GW, CBS, and WASCOB opportunity plans resulted in the greatest reduction of SRP (34%), while the combination of all ACP opportunity plans resulted in the greatest reduction of TP (49%) and sediment (78%). Keywords: ACPF, Agricultural Conservation Practice, Effectiveness, Lake Erie, Phosphorus reduction, Prediction, Spatial placement, SWAT modeling.
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7

Zhang, Xiao Ying, Ning Ding, and Chen Li. "Applications of Homotopy Algorithm for Solving Optimal Power Flow of Power System." Applied Mechanics and Materials 494-495 (February 2014): 1627–30. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.1627.

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Анотація:
This paper introduces an homotopy algorithm which has convergence stability to solve the alternating current optimal power flow problem. The complicated Alternating Current Power Flow (ACPF) can simplify as simple Direct Current Power Flow (DCPF). The homotopy participation factor is introduced into the linear DCPF to make DCPF convert back into ACPF gradually to realize Alternating Current Power Flow Homotopy method (ACPFH). The homotopy curves are generated to solve a series of nonlinear problems.The traditional method can not solve the unstable points,because the calculate process always turn up Jacobian matrix.But the Homotopy method can calculate all results. It is a superiority for Homotopy,and then can explore power system problem more entirety.This novel algorithm is different from Newton - Raphson method, because it isnt sensitive to the initial point selection and has the global convergence.The homotopy algorithm is applied to IEEE - 3, 9, 14, 30, 36, 57, 118 node testing systems for power flow optional calculation, the simulation results show that the novel algorithm can solve power flow problem better and its calculating speed is much faster than the traditional algorithm, it can calculate the optimal value more direct.
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8

Bardellini, Elena, Francesca Amadori, Laura Rosselli, Maria Luisa Garo, Alessandra Majorana, and Giulio Conti. "Molar Incisor Hypomineralization: Optimizing Treatment Protocols for Hypersensitivity: A Randomized Clinical Trial." Dentistry Journal 12, no. 6 (June 19, 2024): 186. http://dx.doi.org/10.3390/dj12060186.

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Анотація:
Dentin hypersensitivity (DH) is a common challenge in pediatric patients with molar incisor hypomineralization (MIH), stemming from enamel porosity or exposed dentin after enamel breakdown. This three-arm randomized controlled clinical trial aims to evaluate the effectiveness of three different desensitizing treatment protocols. The study was conducted on 39 children, aged 6–14 years old, with MIH and DH. Group A received casein phosphopeptide plus amorphous calcium phosphate fluoride (CPP-ACPF) mousse and sham light therapy, Group B received placebo mousse and photo-bio-modulation therapy (PMBT), and Group C received both CPP-ACPF mousse and PMBT. DH evaluation using a visual analogue scale was performed at multiple time points. Both CPP-ACPF mousse and PMBT individually demonstrated desensitizing effects on dental elements affected by MIH. While PMBT had a greater immediate effect, the combination of the two therapies proved most effective in reducing DH. The VAS scores were statistically lower in group C compared to groups A and B, both after the first session (p = 0.0001) and after 28 days (p = 0.0005). This study suggests promising avenues for managing DH in MIH patients, highlighting the potential of combined therapies, specifically CPP-ACPF mousse and PMBT, for enhanced clinical outcomes.
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9

Gumenyuk, S. A., G. V. Sheptunov, and V. I. Potapov. "Interaction of aviation medical teams with ambulance, emergency medical care teams and hospitals in the management of mechanically ventilated patients." Medicо-Biological and Socio-Psychological Problems of Safety in Emergency Situations, no. 2 (June 2, 2021): 27–35. http://dx.doi.org/10.25016/2541-7487-2021-0-2-27-35.

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Анотація:
Relevance. Acute respiratory failure (ARF) and acute cardiopulmonary failure (ACPF) are unavoidable, and often – the leading syndromes in any critical condition, especially in case of multiple organ failure syndrome as a regular stage in the course of previously incurable conditions. Even a full range of intensive care measures in this category of patients does not always give the desired result. According to various authors, with the development of acute respiratory distress syndrome, the mortality rate reaches 80 %.Intention is to determine the role of the aviation medical teams of the emergency medical service-disaster medicine in ensuring the timely availability of high-tech methods for patients who need them, regardless of the patient’s location.Methodology. Activities of the aviation medical teams of the Scientific and Practical Center for Emergency Medical Care of the Moscow City Health Department for the medical evacuation of patients and victims in emergency situations with ARF and ACPF were analyzed.Results and Discussion. There were analyzed interactions of aviation medical teams with the emergency medical response units of the territorial center for disaster medicine and with medical organizations during the medical evacuation of patients with ARF and ACPF. An algorithm and a scheme of interaction between air medical teams are proposed to optimize medical evacuation of these patients.Conclusion. An analysis of the activities of air medical teams revealed their advantages in providing care for patients with ARF and ACPF.
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10

Špirko, Vladimír. "Potential Energy Curve of N2 in Its Ground Electronic State." Collection of Czechoslovak Chemical Communications 70, no. 6 (2005): 731–39. http://dx.doi.org/10.1135/cccc20050731.

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Анотація:
The potential energy curve of N2 is constructed by morphing a very accurate (r12)-MR-ACPF ab initio potential within the framework of the reduced potential curve (RPC) approach of Jenč and Plíva. The actual morphing is performed by fitting the RPC parameters to highly accurate experimental ro-vibrational data. The resulting potential energy curve is in a close harmony with these data allowing thus for reliable prediction of the so-far unknown molecular states. The (r12)-MR-ACPF reduced potential is also used as a reference for fitting less accurate SR-CCSD and RMR-CCSD theoretical data of Li and Paldus (Li X., Paldus J.: J. Chem. Phys. 2000, 113, 9966). Though not fully quantitative, the fittings reveal high coincidence of the CCSD reduced potentials with their reference (r12)-MR-ACPF counterpart evidencing thus physical adequacy of the probed CCSD methods for rationalizing experimental data by means of the RPC approach.
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Дисертації з теми "ACPF"

1

Parsons, Tetyana. "In vitro comparison of microabrasion, CPP-ACP, CPP-ACFP and combination therapies on the remineralization of white spot lesions." Thesis, NSUWorks, 2014. https://nsuworks.nova.edu/hpd_cdm_stuetd/15.

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Анотація:
Objectives: To determine whether treatment of demineralized enamel white spot lesions with CPP-ACP paste, CPP-ACFP paste or microabrasion technique decreases lesion depth in vitro. Additionally, to determine whether treatment of demineralized enamel white spot lesions with microabrasion technique in combination with CPP-ACP paste or CPP-ACFP paste decreases lesion depth greater than any of the three techniques alone. Background: White spot lesions (WSLs) after the removal of orthodontic appliances remain a problem for clinicians and patients. Previous studies suggest that application of casein phosphopeptide amorphous calcium phosphate (CPP-ACP) and casein phosphopeptide amorphous calcium fluoride phosphate (CPP-ACFP) may promote enamel remineralization. Recently, microabrasion of enamel was proposed as another treatment modality of white spot lesions. A review of literature showed that there was no comprehensive in vitro study that combined microabrasion, casein phosphopeptide amorphous calcium phosphate and casein phosphopeptide amorphous calcium fluoride phosphate for treatment of WSLs. Methods: A total of one hundred and twelve bovine incisor teeth were randomly assigned to seven treatment groups: 1. Control 1 (demineralization control), 2. Control 2 (remineralization solution control), 3. CPP-ACP paste, 4. CPP-ACFP paste, 5. Microabrasion, 6. Microabrasion with CPP- ACP paste, and 7. Microabrasion with CPP-ACFP paste. Teeth in all groups were placed in demineralizing solution for 96 hours to produce artificial caries-like lesions. At the end of the 96 hr period, teeth in Control 1 group were sectioned to establish adequate amount of demineralization. The rest of samples were treated with assigned regimen once a day for 10 days and stored in remineralization solution. At the end of ten days, teeth were sectioned with a hard tissue microtome and observed under polarized microscopy to analyze enamel lesion depth. One-way ANOVA at α=0.05 was performed to assess difference in lesion depth between groups followed with post hoc Tukey's test. Results: Statistical analysis showed a significant difference between groups (pConclusions: Based on the results from this study, we can conclude that: (1) treatment of WSLs with CPP-ACP paste, CPP-ACFP paste or microabrasion decreases lesion depth in vitro; (2) microabrasion in combination with CPP-ACP paste or CPP-ACFP paste did not decrease lesion depth greater than that observed with either paste technique alone; (3) both CPP-ACP and CPP-ACFP pastes in combination with microabrasion treatments showed greater decrease in lesion depth than microabrasion alone.
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2

Calhoun, McKenzie L. "ACPE Accredited Continuing Education." Digital Commons @ East Tennessee State University, 2015. https://dc.etsu.edu/etsu-works/6889.

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3

Armaut, Elisabeth. "Estimation d'ensembles de niveau d'une fonction de profondeur pour des données fonctionnelles. Applications au clustering et à la théorie du risque." Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ5021.

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Анотація:
Les fonctions de profondeur statistiques jouent un rôle fondamental dans l'analyse et la caractérisation des structures de données complexes. Les profondeurs fournissent une mesure de centralité ou d'excentricité pour une observation individuelle ou pour l'ensemble des données, ce qui aide à comprendre leurs positions relatives et leurs distributions sous-jacentes. Les concepts relatifs à la profondeur, tels qu'ils sont présents dans la littérature, trouvent leur origine dans la notion de profondeur de Tukey, également désignée sous le nom de profondeur médiane. Cette notion a été introduite par le statisticien John W. Tukey dans son article intitulé "Mathematics and the Picturing of Data" publié en 1975 [170]. La principale idée sous-jacente à la profondeur de Tukey consiste à généraliser la médiane univariée d'un jeu de données unidimensionnel en dimension supérieure.Dans un premier temps, nous nous intéressons aux profondeurs multivariées suivies des profondeurs fonctionnelles, pour lesquelles nous construisons une revue générale dans le Chapitre 1.Dans la seconde partie de la thèse, i.e. dans le Chapitre 2, nous entreprenons une étude rigoureuse des ensembles de niveaux des fonctions de profondeur multivariées et établissons plusieurs propriétés analytiques et statistiques. Tout d'abord, nous montrons que lorsque la profondeur multivariée sous-jacente est suffisamment régulière, la différence symétrique entre l'ensemble de niveaux de profondeur estimé et son équivalent théorique converge vers zéro en termes de volume d-dimensionel et de probabilité sous la distribution considérée. Outre ces contributions, la nouveauté du Chapitre 2, dans le cadre de la théorie du risque, réside dans l'introduction d'une mesure de risque basée sur une profondeur appelée Covariate-Conditional-Tail-Expectation (CCTE). Globalement, la CCTE vise à calculer un coût moyen sachant qu'au moins un des facteurs de risque en jeu est 'élevé' suivant une certaine direction. Cette dernière zone de risque est modélisée par un ensemble de niveau de faible profondeur. Contrairement à des mesures de risques fondées sur les queues de distribution, notre définition de CCTE est indépendante de toute direction grâce à l'implication des ensembles de niveaux d'une profondeur. Nous démontrons également que, lorsque la taille de l'échantillon tend vers l'infini, la CCTE basée sur la profondeur empirique est consistante par rapport à sa version théorique. Et nous fournissons les taux de convergence pour la CCTE, pour des niveaux de risque fixes ainsi que lorsque le niveau de risque tend vers zéro quand la taille de l'échantillon tend vers l'infini. Dans ce dernier cas d'étude, nous analysons de même le comportement de la définition originelle de CCTE basée sur une fonction de répartition, cas qui n'a pas été étudié dans [56]. En plus des simulations effectuées sur la CCTE, nous illustrons son utilité sur des données environnementales.La dernière partie de cette thèse, le Chapitre 3, conclut notre travail et consiste à définir une profondeur fonctionnelle générale pour des données fonctionnelles basée sur l'analyse en composantes principales fonctionnelles. Cela implique l'utilisation d'une profondeur multivariée générique. Dans cette optique, nous utilisons la décomposition bien connue de Karhunen-Loève comme outil pour pro- jeter un processus aléatoire centré et de carré intégrable le long d'une combinaison linéaire finie de fonctions orthogonales appelées composantes principales. À notre connaissance, il s'agit d'une approche novatrice dans le cadre des profondeurs fonctionnelles. Naturellement, nous proposons un estimateur de notre profondeur fonctionnelle pour lequel nous démontrons une consistance uniforme. Nous complétons enfin notre étude avec des simulations et des applications sur données réelles dans des problèmes de classifications, où notre nouvelle profondeur se révèle être au moins aussi performante que la plupart des concurrents classiques
Statistical depth functions play a fundamental role in analyzing and characterizing complex data structures. Depth functions provide a measure of centrality or outlyingness for individual observations or entire datasets, aiding in the understanding of their relative positions and underlying distributions. The concepts related to depth, as found in the literature, originate from the notion of Tukey's depth, also known as the median depth. This concept was introduced by the statistician John W. Tukey in his article titled "Mathematics and the Picturing of Data," published in 1975 [170]. The fundamental idea underlying Tukey's depth is to generalize the univariate median of a one-dimensional dataset in higher dimension. First, our interest focuses on multivariate depths followed by functional depths, both of which we build an overall review within Chapter 1. In the second part of this thesis, i.e. in Chapter 2, we undertake a rigorous study of multivariate depth-level sets and establish several analytical and statistical properties. First, we show that, when the underlying multivariate depth is smooth enough, then the symmetric difference between the estimated depth-level set and its theoretical counterpart converges to zero in terms of the d-dimensional volume and of the probability under the unknown distribution. Apart from these contributions, the novelty of Chapter 2 is the introduction and study of a depth-based risk measure called the Covariate-Conditional- Tail-Expectation (CCTE), within a risk theory setup. Roughly, the CCTE aims at computing an average cost knowing that at least one of the risk factors at hand is 'high' in some direction. The latter risk area is modelled by a level-set of low depth value. In contrast to risk measures based on distribution tails, our definition of CCTE is direction-free, owing to the involvement of depth level sets. We establish that, as the sample size goes to infinity the empirical depth-based CCTE is consistent for its theoretical version. We demonstrate consistency and provide rates of convergence for the depth- CCTE, for fixed levels of risk as well as when the risk level goes to zero as the sample size goes to infinity. In this last case of study, we also analyze the behavior of the original CCTE definition based on a distribution function, a case that was not studied in [56]. On top of several simulations performed on the CCTE, we illustrate its usefulness on environmental data.The final part of this thesis, Chapter 3, wraps up our work in which we contribute to defining a new type of depth for functional data based on functional principal component analysis. This includes using a generic multivariate depth. In this view, we use the well known Karhunen-Loève decomposition as a tool to project a centered square-integrable random process along some finite linear combination of orthogonal functions called the principal components. To the best of our knowledge, this is a novel approach in the functional depth literature. In this extent, we involve a multivariate depth function for the vector of the projected principal components. Naturally, we provide an estimator of our functional depth for which we demonstrate uniform consistency with a rate of convergence. We complement our study with several simulations and real data applications to functional classification, where our new depth equals or outperforms most of conventional competitors
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4

Ležák, Petr. "Testovací implementace protokolu ACP." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219478.

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In general this master’s thesis deals with access control methods and their individual modules and in particular with authentication of supplicants. There are listed authentication methods useful in the implementation of the ACP protocol. ACP protocol is also discussed including possibilities and uses. ACP message format is described in detail with AVP format and types. The transaction mechanism is also mentioned here. The main part of the thesis is focused on software design for protocol testing. Possibilities of the testing are discussed and test scenarios are suggested. Consequently, requirements for test software are listed and its implementation is designed. Furthermore, there is technical documentation of the program. The main ideas used in the program are explained in it. The purpose of each part of the program is written including links between them. Finally, there is a manual for the program. It also contains an illustrative example describing how to make and test a simple scenario of the authentication.
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5

Ojiambo, Colbert. "EU-ACP economic agreements and WTO/GATT compatibility : options for ACP countries under Cotonou Agreement." Diss., University of Pretoria, 2010. http://hdl.handle.net/2263/28400.

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The member states of European Union (EU) and a group of African, Caribbean and Pacific (ACP) states are currently negotiating for new trading agreements compatible with World Trade Organization‘s (WTO) rules. Whereas both the EU and the ACP states are in agreement that the new trading arrangements must be WTO compatible, there is no consensus on the format of the new trading agreements. The EU has insisted that the new trading arrangements should be in the form of free trade agreements, established under Article XXIV of General Agreement on Tariffs and Trade (GATT). Unlike the previous EU – ACP trade agreements which were non – reciprocal, Article XXIV requires that the new trading agreements should be reciprocal. Consequently the EU has gone ahead to negotiate for reciprocal Economic Partnership Agreements (EPAs) with some of the ACP states. Some ACP countries which are opposed to reciprocity have proposed that the new trading arrangements should be established under the provisions of Enabling Clause. Others have suggested that EU should attempt to apply for a WTO waiver. The Cotonou Agreement, under which the new trading agreements are being negotiated, provides that in case of those countries which are not ready to negotiate for EPAs, the EU should examine alternative possibilities, in order to provide these countries with a new framework for trade which is equivalent to their existing situation and in conformity with WTO rules. So far no alternative trading arrangements have been proposed. Although some ACP countries have agreed to negotiate for Economic Partnership Agreements under article XXIV of GAAT, there is no consensus on the interpretation of key provisions of Article XXIV. Under Article XXIV, the parties are required to remove substantially all trade barriers between themselves within reasonable time. The meaning of the phrases 'substantially all' and 'reasonable time‘ has remained controversial with each party giving an interpretation that favours its interests. Lack of consensus on the meaning of these phrases has hindered the conclusion of negotiations for EPAs. In a nutshell, the question of WTO compatibility presents the biggest hurdle to the conclusion of the new trading arrangements between the EU and the ACP group. This paper is an evaluation of the options available to the ACP countries to conclude WTO compatible trading arrangements with the EU. Chapter one of this paper is an introductory chapter which offers an overview of the entire paper. Chapter two sets out in details the historical background of the economic relationship between the EU and the ACP states. This chapter illustrates the historical background from which the new trading agreements have evolved to help the reader understand certain key features of the current economic partnership agreements. Chapter three looks at the GATT/WTO provisions relevant to the establishment of WTO compatible trading arrangements between EU and ACP countries. Particular emphasis is placed on Article XXIV, the Enabling Clause and the WTO waiver. Chapter four is the main chapter in which the paper explores the possibilities of concluding WTO compatible trading agreements under Article XXIV, Enabling clause and the WTO waiver. Chapter five draws the conclusions of this paper.
Dissertation (LLM)--University of Pretoria, 2010.
Centre for Human Rights
unrestricted
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6

Clarke, Hayley Diana. "Investigations into β-ketoacyl-ACP Synthase III and enoyl-ACP reductase of plant fatty acid synthase". Thesis, Durham University, 1999. http://etheses.dur.ac.uk/4484/.

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An antisense transgenic approach was taken in order to assess the importance of P-ketoacyl-ACP- Synthase III (KAS III) in regulation and initiation of de novo fatty acid synthesis in planta. The transgenic plants were generated in order to show whether alternative pathways exist to initiate fatty acid synthesis if the most direct route is lost. In order to develop such a study, a KAS III cDNA clone of 1622bp was isolated from a Brassica napus embryo library. This clone was used to generate an antisense construct containing a strong double 35S promoter and a CaMV poly A tail. The antisense vector was transformed into both Brassica napus and Arabidopsis thaliana. Sixty-three antisense KAS III lines were generated in Brassica napus, along with 10 transgenic KAS III Arabidopsis thaliana lines. The open reading frame of the KAS III cDNA clone was overexpressed in E.coli to yield a novel protein of 45kDa. It was subsequently purified and used to raise KAS III polyclonal and sera. This provided an immunological tool that could detect KAS III in leaf and seed extracts in wild type Brassica napus. To analyse whether KAS III caused any pleiotropic effects on other FAS components such as down regulation of other FAS enzymes, a quantitative ELISA assay was developed to Enoyl- ACP-Reductase (ENR). This was the first such assay for the detection of ENR in plants and its development has required careful consideration of sample preparation. Levels of KAS III, ENR and (3-Keto-ACP-Reductase (BKR)) were assessed in developing leaf of wild type cultivars, along with total fatty acid levels in the growing leaf. Analysis of transgenic KAS III lines was performed in conjunction with the analysis of transgenic sense and antisense ENR Brassica napus that had become available during the study. Transgenic KAS III lines were seen to be slower growing, but were still able to grow to maturity, flower and set seed. This suggests that the KAS FU down regulation may lead to the use of alternative pathways in the synthesis of the initial condensation product acetoacetyl-ACP. Down regulation of ENR in some antisense KAS III lines suggest that a pleiotropic effect may have been exerted as a result of the lowering of KAS III levels. The analysis of the Tl generations for both KAS III and ENR during this study showed that certain lines possessed a phenotype which is characterised by a slower growing plant, where a change of seed morphology was observed along with a change in testa colour and a decrease in overall fatty acid levels in the seed.
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7

Pinhel, Midana Fernandes Augusto. "Cooperação UE-ACP – agricultura e desenvolvimento. A importância do sector agrícola no desenvolvimento dos países ACP." Master's thesis, Faculdade de Ciências Sociais e Humanas, Universidade Nova de Lisboa, 2012. http://hdl.handle.net/10362/8437.

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Dissertação de Mestrado em Ciência Política e Relações Internacionais, Especialização em Relações Internacionais
A cooperação UE-ACP remonta da parte IV do tratado de Roma, que se iniciou com assinatura da primeira convenção de Lomé 1975, com objectivo de promover e acelerar o desenvolvimento económico, cultural e social dos países ACP a fim de contribuírem para a paz e a segurança mundial e promover um contexto político estável e democrático. Passadas três décadas, objectivo esse que ainda está longe de ser atingido. Em 2000, na cidade Cotonou, foi assinado um novo modelo da cooperação entre os dois actores internacionais que vai até 2020, a fim de responder as exigências das novas realidades internacionais. No nosso trabalho, abordamos as constantes transformações nas relações internacionais que têm influências directa ou indirectamente no quadro desta cooperação, nomeadamente a guerra fria e assim como a actual era da globalização económica que a suas abordagens seriam imprescindíveis para a compreensão deste quadro da cooperação. As condições socio-políticas dos países ACP também merecem uma atenção especial no nosso trabalho, sabendo que nenhum país consegue desenvolver-se com a instabilidade política e corrupção mas infelizmente continuam a ser uma realidade em vários países ACP, particularmente da África. A viragem da UE para os outros parceiros após a guerra fria, particularmente para os países da Europa de Leste motivada pelo insucesso de cooperação com os países em vias de desenvolvimento e pela perda da importância desses países na cena política internacional assim como pela segurança da própria Europa merece a nossa atenção neste trabalho. O principal objectivo da nossa investigação consiste em avaliar até que ponto a cooperação UE-ACP contribui para o desenvolvimento dos países ACP, particularmente a agricultura e as suas potencialidades para o desenvolvimento dos países ACP. As regras de comércio mundial que obriguem as pequenas indústrias dos países ACP a competirem com as indústrias dos países desenvolvidos com destaque do sector agrícola com consequência no crescimento económico, assim como a oportunidade do emprego que contribui e muito para o desenvolvimento dos países ACP.
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8

Jedlička, Zdeněk. "Přístupový systém založený na protokolu ACP." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219429.

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Work is focused on the possibility of implementation of ACP into applications for mobile devices using the Android operating system ogether with the implementation of this Protocol in the hardware device. Communication is based on standard TCP / IP and UDP protocol.
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9

Šarapatka, Bořivoj. "Phosphatase activities (ACP, ALP) in agroecosystem soils /." Uppsala : Dept. of Ecology and Crop Production Science, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/a396.pdf.

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10

Polit, Montes de Oca Esteban. "Une n-acp d'un hypercube de donnees." Grenoble 2, 1986. http://www.theses.fr/1986GRE21015.

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Extension du modele tucker3 pour l'analyse de cubes a plus de 3 modes. Utilisation d'une approche geometrique qui permet l'introduction de metriques dans chaque mode. On associe a un hypercube de donnees une forme n-lineaire qu'on approche par une forme n-lineaire de rang plus petit pouvant etre associee a un hypercube de dimensions reduites. Presentation d'un algorithme nomme tuckalsn pour resoudre ce probleme d'approximation. Tuckalsn est une extension de l'algorithme iteratif tuckals3 de kroonenberg et de leeuw. Definition des composantes principales de la n-acp. Elles sont une generalisation des cp de l'acp, et elles s'interpretent de facon analogue. Certaines proprietes d'optimalite sont respectees. On propose des representations graphiques pour les modes et des indices pour mesurer la fidelite avec laquelle la forme n-lineaire permet de reproduire le n-cube original de donnees
The model proposed by tucker for analysing 3 modes data sets is extended to the n-modes setting and metrics are introduced for analysing each mode. One assotiates an n-linear form to each n-mode data set and approches by an n-linear form of smaller rank, that defines a n-mode data set of reduced sizes, easier to analyse. We propose an algorithm named tuckalsn that solves the approximation problem involved in extending the iterative process given by kroonenberg and de leeuw. The latent variables, so obtained, are shown to extenoed principal components built by usual 2 modes pca, and received analogous interpretations. We discuss too the optimality properties of usual pca that remain true or not in the n-modes setting. Graphical representations as well as interpretative tools for reading them are proposed, such as indices meaning the global and elementwise quality and reliability of the approximation
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Книги з теми "ACPF"

1

Foundation, Asia Crime Prevention, and Asia Crime Prevention Foundation. World Conference, eds. ACPF today. Tokyo: Asia Crime Prevention Foundation, 1994.

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2

ACPF World Conference (1994 Manila, Philippines). ACPF World Conference and International Seminar on Urban Crime, 7-12 March 1994, Manila Hotel, Philippines: [proceedings]. [Manila]: The Foundation, 1994.

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3

Bekele, Assefa. Africa's children and the post-2015 development agenda: Background document for the paper "Towards an African position on children and the post-2015 development agenda" ACPF, April 2013. Addis Ababa, Ethiopia: The African Children Policy Forum, 2013.

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4

Kānprachum Nānāchāt wādūai Kānpō̜ngkan ʻĀtchayākam læ Khwāmyuttitham thāng ʻĀyā (10th 2004 Macau, China). Kānprachum Nānāchāt khrang thī 10 wādūai Kānpō̜ngkan ʻĀtchayākam læ Khwāmyuttitham thāng ʻĀyā rawāng wanthī 23-25 Phrưtsačhikāyon, Phō̜. Sō̜. 2547, na Khēt Pokkhrō̜ng Mākao, Sāthāranarat Prachāchon Čhīn: ʻēkkasān ʻāngʻing = 10th ACPF World Conference on Crime Prevention and Criminal Justice. [Bangkok]: Samnakngān Tamrūat hǣng Chāt, 2004.

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5

Council, Agricultural Credit Policy. The ACPC challenge. [Manila]: Dept. of Agriculture, ACPC, 2010.

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6

Commission of the European Communities. Directorate-General for Development. Ten years of Lome: A record ofACP-EEC partnership, 1976 -1985 : report on the implementation of financial and technical co-operation under the first two Lome Conventions. [Brussels]: Commission of the European Communities, 1986.

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7

Chambre de commerce et d'industrie de Pointe-à-Pitre., ed. Commerce extérieur, DOM/ACP, ACP/DOM. Pointe-à-Pitre: Chambre de commerce et d'industrie de Pointe à Pitre, 1988.

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8

Nguimbi, Aimé Césaire. La réorientation des relations commerciales UE-ACP du fait de la Convention de Cotonou. Lille: ANRT, Atelier national de reproduction des thèses, 2010.

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9

Commission of the European Communities. Directorate General for Development., ed. La coopération UE-ACP =: EU-ACP cooperation. Bruxelles: European Commission, 1994.

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10

Commission of the European Communities. Directorate-General for Development., ed. EU-ACP cooperation =: La Cooperation UE-ACP. Brussels: European Commission, 1994.

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Частини книг з теми "ACPF"

1

Hamrick, Grayson S., Casey H. Londergan, and Louise K. Charkoudian. "Heterologous Expression, Purification, and Characterization of Type II Polyketide Synthase Acyl Carrier Proteins." In Methods in Molecular Biology, 239–67. New York, NY: Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-2273-5_13.

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AbstractThe enzymes that comprise type II polyketide synthases (PKSs) are powerful biocatalysts that, once well-understood and strategically applied, could enable cost-effective and sustainable access to a range of pharmaceutically relevant molecules. Progress toward this goal hinges on gaining ample access to materials for in vitro characterizations and structural analysis of the components of these synthases. A central component of PKSs is the acyl carrier protein (ACP), which serves as a hub during the biosynthesis of type II polyketides. Herein, we share methods for accessing type II PKS ACPs via heterologous expression in E. coli. We also share how the installation of reactive and site-specific spectroscopic probes can be leveraged to study the conformational dynamics and interactions of type II PKS ACPs.
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2

Scharnagl, Hubert, Winfried März, Markus Böhm, Thomas A. Luger, Federico Fracassi, Alessia Diana, Thomas Frieling, et al. "ACPO." In Encyclopedia of Molecular Mechanisms of Disease, 22. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-29676-8_6479.

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3

Gressner, A. M., and O. A. Gressner. "CLIF-C-ACLF-Score." In Springer Reference Medizin, 604. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-48986-4_3725.

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4

Gressner, A. M., and O. A. Gressner. "CLIF-C-ACLF-Score." In Lexikon der Medizinischen Laboratoriumsdiagnostik, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49054-9_3725-1.

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5

Malone, Hani R., and Michael G. Kaiser. "Multilevel ACDF Versus Corpectomy." In Degenerative Cervical Myelopathy and Radiculopathy, 287–307. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97952-6_24.

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6

Pendleton, Courtney, Matthew S. Galetta, and Jack Jallo. "Revision ACDF: Adjacent level." In Revision Spine Surgery, 47–50. Boca Raton : CRC Press, 2019.: CRC Press, 2019. http://dx.doi.org/10.1201/9780429188848-7.

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7

Hohage, Christoph. "Analytische Perspektive: ACF." In Moschee-Konflikte, 93–129. Wiesbaden: Springer Fachmedien Wiesbaden, 2013. http://dx.doi.org/10.1007/978-3-658-03624-9_3.

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8

Bergstra, J. A. "ACP with signals." In Algebraic and Logic Programming, 11–20. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/3-540-50667-5_53.

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9

Fee, Derek. "The ACP Countries." In Oil & Gas Databook for Developing Countries, 5–13. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-4968-3_2.

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10

Johansson, Karl Magnus, and Tapio Raunio. "Reconciling Theories of Agenda Setting, Advocacy Coalitions, and Transnational Political Partisanship." In Transnational Parties and Advocacy in European Integration, 27–56. Cham: Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-62285-4_2.

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AbstractDrawing on the concepts of agenda-setting and advocacy coalition framework (ACF), this chapter argues that the Europarties should be viewed as transnational partisan actors that individually and collectively shape European integration. It discusses the ACF and its empirical applications that have largely focused on policies and interest groups. ACF emphasizes shared core beliefs and provides a useful analytical tool for capturing the transnational partisan dimension of European integration, an element of EU governance that has until now not received sufficient attention. Agenda-setting in turn is continuous and the multilevel European polity offers transnational coalitions various routes for influencing policymaking.
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Тези доповідей конференцій з теми "ACPF"

1

Schaefer, Kirsten, and Toby Dogwiler. "ASSESSMENT OF GRASSED WATERWAY IMPLEMENTATION USING ACPF AND SWAT MODELS." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-304219.

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2

Setijanto, Darmawan, Nilna Nur Putri, Taufan Bramantoro, Titiek Berniyanti, Agung Sosiawan, Retno Palupi, and Gilang Rasuna Sabdho Wening. "Casein Phosphopeptide-Amorphous Calcium Phosphate Fluoride (CPP-ACPF) as an Enamel Remineralization." In The 7th International Meeting and The 4th Joint Scientific Meeting in Dentistry. SCITEPRESS - Science and Technology Publications, 2017. http://dx.doi.org/10.5220/0007291200170021.

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3

You, G. S., W. M. Choung, J. H. Ku, S. I. Moon, and H. D. Kim. "Safety Evaluation of KAERI Pyroprocess Facilities." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30363.

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KAERI (Korea Atomic Energy Research Institute) has been studing the pyroprocess since 1997. For a demonstration of the pyroprocess, KAERI developed two facilities, the ACPF (Advanced spent fuel Conditioning Process Facility) and PRIDE (PyRoprocess-Integrated inactive DEmonstration facility), by 2012. From 2013, KAERI has been studying a pre-conceptual design of the ESPF (Engineering-Scale Pyroprocess Facility). In this paper, the safety evaluation methods and results for these three facilities are described.
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4

Barati, Masoud. "Enhancing ACPF Analysis: Integrating Newton-Raphson Method with Gradient Descent and Computational Graphs." In 2024 IEEE Texas Power and Energy Conference (TPEC). IEEE, 2024. http://dx.doi.org/10.1109/tpec60005.2024.10472209.

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5

You, G. S., W. M. Choung, J. H. Ku, S. I. Moon, and H. D. Kim. "Pyroprocess Facility Design for a Nuclear Fuel Cycle." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-15190.

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The Korea Atomic Energy Research Institute (KAERI) has been developing pyroprocess for the dry conditioning of PWR spent nuclear fuels since 1997. The ACPF (Advanced spent fuel Conditioning Process Facility) was developed for volume reduction research on spent PWR fuel. Several years later, the PRIDE (PyRoprocess Integrated inactive Demonstration) facility was also developed for SFR fuel utilization research by pyroprocessing. An integrated full pyroprocess was used in the PRIDE facility. Presently another pyroprocess facility, ESPF (Engineering Scale Pyroprocess Demonstration Facility), is being conceptually designed for the future demonstration of an engineering-scale pyroprocess.
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6

Ghasemi Nejhad, Mehrdad N., and Richard Russ. "Manufacturing and Active Control Testing of Active Composite Panels With Embedded Piezoelectric Sensors and Actuators: Wires Out by Cut-Holes and Embedding." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43017.

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This work presents manufacturing and testing of active composite panels (ACPs) with embedded piezoelectric sensors and actuators. The composite material employed here is a plain weave carbon/epoxy prepreg fabric with about 0.3 mm ply thickness. A cross-ply type stacking sequence is employed for the ACPs. The piezoelectric flexible patches employed here are Active Fiber Composites with 0.33 mm thickness. Composite cut-out layers are used to fill the space around the embedded piezo patches to minimize the problems associated with ply drops in composites. The piezoelectric patches were embedded inside the composite laminate. High-temperature wires were soldered to the piezo leads, insulated from the carbon substructure by high-temperature materials, and were taken out of the composite laminates employing both cut-hole and embedding techniques. The laminated ACPs were co-cured inside an autoclave employing the cure cycle recommended by the composite material supplier. The Curie temperature of the embedded piezo patches should be well above the curing temperature of the composite materials as was the case here. The manufactured ACPs were trimmed and then tested for their functionality. Vibration suppression as well as simultaneous vibration suppression and precision positioning tests, using Hybrid Adaptive Control techniques were successfully conducted on the manufactured ACP beams and plates and their functionality were demonstrated. The advantages and disadvantages of ACPs manufactured by taking the wires out employing cut-holes and embedding techniques, in terms of manufacturing and performance, are presented.
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7

Zhong, Z. W. "Reliable Low-Cost Flip Chip Interconnections." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/epp-24726.

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Abstract A few reliable low-cost flip chip assembly processes using gold bumps with NCA, ACF or ACP that involved daily mass production activities in the industry are reported in this paper. Some key issues of material selection and assembly for reliable low-cost flip chip interconnections are discussed. This paper also discusses reliable low-cost processes of flip chip on FR-4 using eutectic solder bumps with possible fewer process steps compared to the full assembly process. Some interesting results with respect to the reliability performance of the processes have been obtained.
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8

Chu, Bryant, Calvin Kuo, Jackie Nguyen, Jeremi Leasure, Christopher Ames, and Dimitriy Kondrashov. "Changes in Foraminal Geometry With Anterior Decompression Versus Keyhole Foraminotomy in the Cervical Spine: A Biomechanical Investigation." In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14222.

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Cervical spondylosis can be treated with various surgical decompression techniques, notably anterior cervical decompression and fusion (ACDF) and posterior keyhole foraminotomy1. Although each procedure has distinct methods, there is no compelling evidence in the literature to advocate one over the other. Furthermore, subtle differences within the techniques have yet to be examined such as the salvage or resection of uncovertebral joints during ACDF. Systematic reviews2,5 and meta-analyses3 have not elucidated significant differences in pain improvement between ACDF techniques, and no study has compared clinical outcomes for ACDF versus posterior foraminotomy, the two most popular cervical decompression techniques to date. We provide benchtop evidence as to the relative effectiveness of foraminotomy, ACDF with or without resection, and a combination of all surgeries. We hypothesized that ACDF with uncovertebral resection would be most effective to open the neuroforamina. Results of this study inform best practices for cervical decompression surgeries.
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9

Sakiyama, Ryota, Kazuya Matsumoto, Koji Yamamoto, Yusuke Morita, and Eiji Nakamachi. "Development of AC Magnetic Field Stimulation Bio-Reactor for Three-Dimensional Culture of PC12 Cells." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70878.

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Recently, the electromagnetic stimulation method to enhance a nerve axonal extension has been attracting a great attention in the nerve regeneration. In this study, we design and fabricate a new 3D bio-reactor, which can implement uniform AC magnetic field (ACMF) stimulation on PC12 cells. We observe the morphology of PC12 cells using the multi photon microscope and evaluate effectiveness of uniform ACMF stimulation of the nerve axonal extension and the neural network generation. Firstly, a uniform ACMF stimulation bio-reactor was designed by using the pole piece structure. We searched an optimum structure using the magnetic field finite element analyses to obtain a uniform magnetic flux density in the culture region. Secondly, a chamber for 3D culture of PC12 cells was fabricated. PC12 cells were disseminated into a collagen gel which poured in the chamber. We evaluated the effects of uniform ACMF stimulation to enhance the nerve axonal extension. In our bio-reactor, an increase in axonal extension length and number of dendrites was observed under ACMF stimulation after 7 days culture. Finally, it was concluded that our uniform ACMF stimulation bio-reactor is an effective tool for the nerve axonal extension and the neural network generation.
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Peng, Chen, Li Xiaoming, Fang Shaojun, and Fu Shiqiang. "Calculation and analysis of ACPW and UWB ACPW-slotline transition." In 2010 2nd International Conference on Signal Processing Systems (ICSPS). IEEE, 2010. http://dx.doi.org/10.1109/icsps.2010.5555748.

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Звіти організацій з теми "ACPF"

1

Edgerton, SA, RA McCord, and DP Kaiser. ACRF Archive User Meeting Summary. Office of Scientific and Technical Information (OSTI), October 2007. http://dx.doi.org/10.2172/948091.

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2

Macduff, M., and D. Egan. ACRF Data Collection and Processing Infrastructure. Office of Scientific and Technical Information (OSTI), December 2004. http://dx.doi.org/10.2172/1020559.

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3

Ye, Binglin, Shuling Li, Fengqi Sun, Youfu Fan, Weiguo Chen, and Xiangfu Wang. Effect of full-endoscopic cervical laminectomy and decompression versus anterior cervical decompression with fusion in the treatment of patients with cervical spondylotic myelopathy: A protocol for systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, August 2021. http://dx.doi.org/10.37766/inplasy2021.8.0034.

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Review question / Objective: This systematic review aims to comprehensively assess the efficacy and safety of full-endoscopic cervical laminectomy and decompression versus anterior cervical decompression with fusion in treating cervical spondylotic myelopathy (CSM) patients. Condition being studied: Cervical spondylotic myelopathy (CSM) is a degenerative disease associated with cervical cord compression, which has increased significant health-related social costs and derived disabilities. Anterior cervical discectomy and fusion (ACDF) is the "gold standard" for the treatment of CSM. However, the application of ACDF may cause some complications. Recently, full-endoscopic cervical laminectomy and decompression have shown potential therapeutic effects for CSM. However, no systematic review or meta-analysis has focused on the effects of full-endoscopic cervical laminectomy and decompression in the treatment of CSM. This systematic review aims to comprehensively assess the efficacy and safety of full-endoscopic cervical laminectomy and decompression versus anterior cervical decompression with fusion in treating CSM patients.
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4

Voyles, JW. ACRF Instrumentation Status and Information September 2009. Office of Scientific and Technical Information (OSTI), October 2009. http://dx.doi.org/10.2172/967843.

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5

Voyles, JW. ACRF Instrumentation Status and Information April 2009. Office of Scientific and Technical Information (OSTI), May 2009. http://dx.doi.org/10.2172/952584.

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6

Voyles, JW. ACRF Instrumentation Status and Information May 2009. Office of Scientific and Technical Information (OSTI), May 2009. http://dx.doi.org/10.2172/957019.

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7

JW Voyles. ACRF Instrumentation Status and Information - June 2009. Office of Scientific and Technical Information (OSTI), June 2009. http://dx.doi.org/10.2172/959140.

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8

Voyles, JW. ACRF Instrumentation Status and Information August 2009. Office of Scientific and Technical Information (OSTI), September 2009. http://dx.doi.org/10.2172/964187.

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9

Voyles, JW. ACRF Instrumentation Status and Information July 2009. Office of Scientific and Technical Information (OSTI), August 2009. http://dx.doi.org/10.2172/964188.

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10

Bjarnason, S. An Autonomic Control Plane (ACP). Edited by T. Eckert and M. Behringer. RFC Editor, May 2021. http://dx.doi.org/10.17487/rfc8994.

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