Relevant bibliographies by topics / 2RT

Academic literature on the topic '2RT'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "2RT"

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Namwong, Sirilak, Somboon Tanasupawat, Takuji Kudo, and Takashi Itoh. "Haloarcula salaria sp. nov. and Haloarcula tradensis sp. nov., isolated from salt in Thai fish sauce." International Journal of Systematic and Evolutionary Microbiology 61, no. 2 (February 1, 2011): 231–36. http://dx.doi.org/10.1099/ijs.0.021790-0.

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Two red-pigmented, strictly aerobic, pleomorphic rod-shaped and extremely halophilic archaea, designated strains HST01-2RT and HST03T, were isolated from salt in a fish sauce sample from Thailand. The novel strains grew optimally at 37 °C, pH 7.0, and in the presence of 20–25 % (w/v) NaCl. The DNA G+C contents of the isolates were 61.6–62.2 mol%. Phylogenetic analysis based on a comparison of 16S rRNA gene sequences revealed that strains HST01-2RT and HST03T were placed in the radiation of species of the genus Haloarcula. The chemotaxonomic properties of the two strains, i.e. the presence of MK-8 and MK-8(H2) as the major menaquinone components and C20C20 derivatives of phosphatidylglycerol, phosphatidylglycerol phosphate methyl ester, phosphatidylglycerol sulfate and a triglycosyl diether as major polar lipids, supported the assignment of the two strains to the genus Haloarcula. Nevertheless, several phenotypic features and the low DNA–DNA relatedness between the two strains and related species of the genus Haloarcula (13.4–46.9 %) enabled the strains to be distinguished from each other and from recognized species. Therefore, strains HST01-2RT and HST03T represent two novel species in the genus Haloarcula, for which the names Haloarcula salaria sp. nov. and Haloarcula tradensis sp. nov. are proposed, respectively. The type strains are HST01-2RT (=BCC 40029T=JCM 15759T=PCU 313T) and HST03T (=BCC 40030T=JCM 15760T=PCU 314T).
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Shaik, Sadulla, K. Sri Rama Krishna, and Ramesh Vaddi. "Tunnel Transistor-Based Reliable and Energy Efficient Computing Architectures with Circuit and Architectural Co-Design at Low VDD." Journal of Circuits, Systems and Computers 27, no. 03 (October 30, 2017): 1850046. http://dx.doi.org/10.1142/s0218126618500469.

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Tunnel field-effect transistors (TFETs) as low voltage device options have attracted recent attention for energy efficient circuit designs with CMOS technology scaling. This paper presents the circuit and architectural co-design approach for designing reliable and energy efficient architectures (adder cells) for new computing platforms at supply voltages. At circuit level TFET-based 28-transistor static logic design (28T) and 24-transistor transmission gate logic design (24T) have been explored. At architectural level, multiplexer (MUX)-based 22-transistor full adder design (22T) is proposed. Performance of TFET-based architectures have also been benchmarked with 20[Formula: see text]nm double gate Si FinFET technology. It has been seen that with FinFET technology 24T design is not effective in terms of energy efficiency and reliability (due to the large leakage currents in transmission gate logic topology). 28T design is the best in reliability perspective (in terms of reduced over shoots, full logic swing and reduced glitch duration etc.) and 22T design to be energy efficient option. It has been demonstrated in this paper that TFET’s steep slope characteristics enable the 24T design to have similar reliability characteristics like 28T design and energy efficiency like 22T design. TFET-based 22T design has [Formula: see text]91% smaller energy delay product (EDP) and [Formula: see text]84.4% less power delay product (PDP) in comparison to the low threshold voltage (LVT) FinFET 22T design at 0.2[Formula: see text]V VDD.
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Thompson, L. V., E. M. Balog, D. A. Riley, and R. H. Fitts. "Muscle fatigue in frog semitendinosus: alterations in contractile function." American Journal of Physiology-Cell Physiology 262, no. 6 (June 1, 1992): C1500—C1506. http://dx.doi.org/10.1152/ajpcell.1992.262.6.c1500.

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The purpose of this study was to characterize the contractile properties of the frog semitendinosus (ST) muscle before and during recovery from fatigue, to relate the observed functional changes to alterations in specific steps in the crossbridge model of muscle contraction, and to determine how fatigue affects the force-frequency relationship. The frog ST (22 degrees C) was fatigued by direct electrical stimulation with 100-ms 150-Hz trains at 1/s for 5 min. The fatigue protocol reduced peak twitch (Pt) and tetanic (Po) force to 32 and 8.5% of initial force, respectively. The decline in Pt was less than Po, in part due to a prolongation in the isometric contraction time (CT), which increased to 300% of the initial value. The isometric twitch duration was greatly prolonged as reflected by the lengthened CT and the 800% increase in the one-half relaxation time (1/2RT). Both Pt and Po showed a biphasic recovery, a rapid initial phase (2 min) followed by a slower (40 min) return to the prefatigue force. CT and 1/2RT also recovered in two phases, returning to 160 and 265% of control in the first 5 min. CT returned to the prefatigue value between 35 and 40 min, whereas even at 60 min 1/2RT was 133% of control. The maximal velocity of shortening, determined by the slack test, was significantly reduced [from 6.7 +/- 0.5 to 2.5 +/- 0.4 optimal muscle length/s] at fatigue. The force-frequency relationship was shifted to the left, so that optimal frequency for generating Po was reduced.(ABSTRACT TRUNCATED AT 250 WORDS)
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Thompson, L. V., E. M. Balog, and R. H. Fitts. "Muscle fatigue in frog semitendinosus: role of intracellular pH." American Journal of Physiology-Cell Physiology 262, no. 6 (June 1, 1992): C1507—C1512. http://dx.doi.org/10.1152/ajpcell.1992.262.6.c1507.

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The purpose of this study was to utilize glass microelectrodes to characterize the intracellular pH (pHi) before and during recovery from fatigue in the frog semitendinosus (ST) muscle. A second objective was to evaluate the relationship between pHi and contractile function. The frog ST muscle (22 degrees C) was fatigued by direct electrical stimulation with 100-ms 150-Hz trains at 1/s for 5 min. Peak tetanic force (Po) was reduced to 8.5% of initial force and recovered in a biphasic manner, returning to the resting value by 40 min. Resting pHi was 7.00 +/- 0.02 (n = 37) and declined with fatigue to an average value of 6.42 at 3 min of recovery. During recovery pHi significantly increased and by 25 min had returned to the prefatigue value. The pHi recovery was highly correlated to the slow phase of Po recovery (r = 0.98, P less than 0.001). The mean resting membrane potential was -78 +/- 1.0 mV (n = 42) and at 3 min of recovery was depolarized to -67 +/- 4 mV. Both the peak rate of twitch force development (+dP/dt) (r = 0.99, P less than 0.001) and decline (-dP/dt) (r = 0.94, P less than 0.014) were highly correlated to pHi during the slow phase of recovery. Contraction time (CT) and one-half relaxation time (1/2RT) increased significantly and recovered exponentially. The recovery of CT and 1/2RT were both significantly correlated to pHi (r = -0.93, P less than 0.001 and r = -0.86, P less than 0.001 for CT and 1/2RT, respectively).(ABSTRACT TRUNCATED AT 250 WORDS)
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Shields, R. K. "Fatigability, relaxation properties, and electromyographic responses of the human paralyzed soleus muscle." Journal of Neurophysiology 73, no. 6 (June 1, 1995): 2195–206. http://dx.doi.org/10.1152/jn.1995.73.6.2195.

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1. The goal of this study was to characterize the fatigability, contractile relaxation properties, electrophysiological responses, and histochemical properties of the human paralyzed soleus muscle to determine its relative plasticity. 2. Acute (< 6 wk, n = 3) and chronic (> 1 yr, n = 10) paralyzed individuals had the tibial nerve activated with a 20-Hz square wave delivered for 330 ms every second for 4 min. The soleus muscle peak torque, one-half relaxation time (1/2RT), normalized maximum rate of relaxation (nMRR), and mass muscle action-potential amplitude (M wave) were computed every 30 s. A soleus muscle biopsy was evaluated for myosin adenosine triphosphatase enzyme (ATPase; pH 9.4, 4.6, and 4.2) and nicotinamide adenine dinucleotide tetrazolium reductase (NADH-TR). 3. In the chronically paralyzed group the torque was significantly reduced within 30 s of the fatigue protocol. The 1/2RT and nMRR were also significantly changed within 30 s, supporting that muscle relaxation was prolonged. No significant changes were present at comparable times during the same 4-min fatigue protocol applied to the acutely paralyzed soleus muscle. M-wave amplitude was significantly reduced in the chronic group, but only at 3 min of the fatigue protocol. Conversely, no significant changes occurred to the M waves of the acute group. 4. The correlation was high between torque and nMRR (r = 0.88-0.97) and torque and 1/2RT (r = 0.88-0.96) for each chronic subject. A close association was also found between 1/2RT and nMRR (r = 0.88-0.92) for each chronic subject. Because these variables changed minimally in the acutely paralyzed group, a lower correlation was present (r = 0.45-0.52). 5. Torque was weakly correlated to M-wave amplitude (r = 0.55) for the chronically paralyzed group. The greatest change in torque occurred at a time (0-65 s) when the least amount of change occurred in the M-wave amplitude, suggesting that the source of fatigue was within the contractile mechanism and not attributable to neuromuscular transmission compromise. 6. Despite a close association between torque and relaxation properties during fatigue of the chronically paralyzed soleus muscle, there was a significant dissociation after 5 min of recovery. Torque recovered to 60%, whereas the relaxation properties were consistently fully recovered. This suggests that the mechanism causing torque reduction covaried with the mechanism leading to prolonged relaxation during fatigue, but during recovery the two mechanisms no longer covaried. M-wave amplitude was also completely recovered at 5 min despite continued torque depression.(ABSTRACT TRUNCATED AT 400 WORDS)
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Okeke, Ifeanyichukwu. "Molecular Docking and Analysis of some Ligands on Var2csTargetA." Journal of Health, Medicine, and Clinical Studies 1, no. 1 (December 11, 2022): 26–46. http://dx.doi.org/10.58425/jhmcs.v1i1.84.

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Purpose: Prevalence of malaria during pregnancy and the spate of drug resistance by malaria parasites have constantly impacted maternal, perinatal and neonatal outcomes, especially in sub-Saharan Africa. This study aims to discover “in silico” non-recombinant molecules which can interact with placental chondroitin sulfate to inhibit binding or displace bound var2csA from the placenta in order to prevent pregnancy associated malaria. Methodology: Protein data bank (rcsb.org) and PubChem were used to download the chemical structures of the receptor (3bqk) and those of the ligands. Canonical SMILES and other information about the ligands and the receptor were extracted from PubChem. Toxtree, Toxicity Estimation Software Tool (TEST), SwissADMET, Molinspiration and Lazar Toxicity Predicter were employed to test various toxicity and safety parameters of lead compounds. The structure of the macromolecule – chondroitin sulfate A (CSA) was retrieved by searching in the protein data bank (PDB) (rcsb.org/structure/3bqk); downloaded, and saved as a PDB format. Findings: Molecular modeling and toxicity predictors used in this study indicated that among the ligands screened, IH3 had the lowest binding energy of -9.8Kcal/mol while var2csA had -2.8Kcal/mol. Var2csA is parasite’s adhesive protein. It was also observed that out of the 90 ligands (binding affinity range -9.8 to -1.0 Kcal/mol) screened, IH3 (-9.8Kcal/mol), FAD (-8.4 Kcal/mol), NDP (-8.2 Kcal/mol), A5A (-8.2 Kcal/mol), ABO (-8.1 Kcal/mol), IH2 (-7.8 Kcal/mol), 2RT (-7.7 Kcal/mol), CRO (-7.7 Kcal/mol) and IH1 (-7.7 Kcal/mol) appear to be the most promising lead compounds to occupy var2csA binding pocket in pCSA in order to prevent adhesion of malaria infected erythrocytes to the placenta. SwissADME and Molinspiration Cheminformatics for LogP (mean of 1.07 and range of -2.79 to 4.18) of the lead compounds showed no correlations between lipophilicity and interaction with receptors. Of all the compounds selected for analysis, only ABO and 2RT exhibited drug-like properties based on Ghose, Lipinski and Veber filters. Conclusion: Data obtained from the study therefore suggests that IH3, FAD, NDP, A5A, ABO, IH2, 2RT, CRO, IH1 and var2csA make favourable lead candidates for targeting pCSA and therefore require further in vitro and in vivo evaluations. Recommendation: This study therefore recommends the repurposing and extending the use of flavin adenine dinucleotide (FAD) to cover prophylactic management of malaria among pregnant women.
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Wicks, K. L., and D. A. Hood. "Mitochondrial adaptations in denervated muscle: relationship to muscle performance." American Journal of Physiology-Cell Physiology 260, no. 4 (April 1, 1991): C841—C850. http://dx.doi.org/10.1152/ajpcell.1991.260.4.c841.

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We have studied mitochondrial adaptations in muscle subject to chronic denervation, and their relationship to muscle performance, using a model of unilateral sciatic nerve denervation in rats over periods of 2, 5, 8, 14, 21, 28, 35, and 42 days (n = 5-9 rats/day). Time to peak tension (TPT), one-half relaxation time (1/2RT), and endurance performance were evaluated during in situ stimulation of denervated and contralateral gastrocnemius-plantaris muscles. Denervation led to a 70% decline in muscle mass after 42 days. TPT and 1/2RT increased 17 and 30%, respectively, indicating a transformation toward slower muscle. The activities of the enzymes cytochrome-c oxidase (CYTOX), succinate dehydrogenase, and citrate synthase were decreased by 8-14 days, and by 42 days these were 34-58% of control. The mitochondrial phospholipid cardiolipin was reduced earlier, by 5 days, and gradually decreased to 37% of control. Thus phospholipid removal appears to precede the loss of enzyme activity during decreases in mitochondrial content. Endurance performance was reduced in parallel with decreases in enzyme activity and cardiolipin. Cytochrome c mRNA levels decreased to 52% of control by 5 days. Denervation resulted in coordinated changes in mRNA levels encoding the nuclear-derived CYTOX subunit VIc and the mitochondrially derived CYTOX subunit III. However, changes in CYTOX activity did not always parallel alterations in subunit mRNA levels. Thus transcriptional and translational mechanisms operate in regulating mitochondrial gene expression during denervation.
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Gaca-Wysocka, Magdalena, and Andrzej Grzybowski. "Application of 2RT nanopulse retinal laser in the treatment of diabetic macular edema." OphthaTherapy. Therapies in Ophthalmology 4, no. 2 (June 30, 2017): 81–84. http://dx.doi.org/10.24292/01.ot.300617.02.

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Michel, R. N., and P. F. Gardiner. "Influence of overload on recovery of rat plantaris from partial denervation." Journal of Applied Physiology 66, no. 2 (February 1, 1989): 732–40. http://dx.doi.org/10.1152/jappl.1989.66.2.732.

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A functional index of neural adaptability is the capacity of motoneurons to extend and establish supernumerary connections with neighboring denervated muscle fibers. The purpose of this study was to guage this response in rat plantaris muscles subjected to increased levels of activity resulting from the surgical removal of the synergistic gastrocnemius and soleus muscles. Thirty-seven days of overload increased plantaris absolute (69%) and relative (82%) weight, whole muscle (35%) and individual fiber (37%) mean cross-sectional area, half-relaxation time (1/2RT; 25%), and maximum tetanic tension (P0; 21%). In a separate group of animals that had undergone 30 days of overload, three-quarters of the plantaris muscle fibers were denervated by sectioning radicular nerve L4. At 7 days postlesion, contractile responses were obtained from sprouting motor units remaining in radicular nerve L5, and the results compared to a nonoverloaded group that had undergone this same procedure. Twitch time to peak tension and 1/2RT were prolonged in normal partially denervated (PD) and overloaded partially denervated (OPD) muscles, and this response was significantly greater in the overloaded muscles. Both PD and OPD muscles increased twitch tension (38%) and peak tension developed at 25 Hz (34%) to a similar extent, during recovery from partial denervation. These increases, attributable to sprouting of L5 motor axon collaterals, were matched in PD muscles with a corresponding increase in P0, a response which did not occur in OPD muscles. Additionally, a more extensive decrease in P0 occurred as a result of partial denervation in OPD muscles compared with whole muscle P0 of nondenervated muscle (L4 plus L5 stimulation).(ABSTRACT TRUNCATED AT 250 WORDS)
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Li, Hui-Juan, Xi-Ying Zhang, Chun-Xiao Chen, Yan-Jiao Zhang, Zhao-Ming Gao, Yong Yu, Xiu-Lan Chen, Bo Chen, and Yu-Zhong Zhang. "Zhongshania antarctica gen. nov., sp. nov. and Zhongshania guokunii sp. nov., gammaproteobacteria respectively isolated from coastal attached (fast) ice and surface seawater of the Antarctic." International Journal of Systematic and Evolutionary Microbiology 61, no. 9 (September 1, 2011): 2052–57. http://dx.doi.org/10.1099/ijs.0.026153-0.

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Two Gram-negative, motile, aerobic, catalase- and oxidase-positive, rod-shaped strains, designated ZS5-23T and ZS6-22T, were respectively isolated from Antarctic coastal attached (fast) ice and surface seawater samples. Both strains could grow at 4–35 °C (optimum 30 °C) and in the absence of NaCl. Analyses of 16S rRNA gene sequences revealed that strains ZS5-23T and ZS6-22T were closely related to each other (99.0 % sequence similarity) and belonged to the class Gammaproteobacteria, with their closest relatives being Spongiibacter and Melitea species (93.1–94.3 % sequence similarity). The predominant cellular fatty acids in both strains were C17 : 1ω8c, C17 : 0 and summed feature 3 (C16 : 1ω7c and/or iso-C15 : 0 2-OH). Genomic DNA G+C contents of strains ZS5-23T and ZS6-22T were 51.5 and 51.8 mol%, respectively. The DNA–DNA relatedness between strains ZS5-23T and ZS6-22T was 50.9 %. Strains ZS5-23T and ZS6-22T could be differentiated from each other and from Spongiibacter and Melitea species by differences in a number of phenotypic properties. Based on the data presented, strains ZS5-23T and ZS6-22T represent two novel species in a new genus in the class Gammaproteobacteria, for which the names Zhongshania antarctica gen. nov., sp. nov. (the type species) and Zhongshania guokunii sp. nov. are proposed. The type strain of Zhongshania antarctica is ZS5-23T ( = KACC 14066T = CCTCC AB 209246T) and that of Zhongshania guokunii is ZS6-22T ( = KACC 14532T = CCTCC AB 209247T).
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Dissertations / Theses on the topic "2RT"

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Arlauskas, Vilius, Mindaugas Bosas, and Laimonas Narbutas. "Ožinis 20t keliamosios galios kranas." Bachelor's thesis, Lithuanian Academic Libraries Network (LABT), 2012. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2012~D_20120702_123644-18211.

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Baigiamojo darbo tema yra suprojektuoti 20 t. kieliamosios galios ožinį kraną. Variantų analizė buvo padaryta, važiuoklės pavarai, kravinių kėlimo mechanizmui ir krano tiltui. Technologinė analizė parodė, kokios įrangos reikia, pagaminti du velenus ir pirštą. Ožinio krano ekonominiai rodikliai, krano kaina ir jos galima pardavimo kaina buvo apskaičiuojama.
The final paper’s theme is to design the gantry crane which load’s capacity is 20 tones. The variant analysis was done. It revealed that chassis gear, telpher, and beam were the most suitable parts for the gantry crane. The technological analysis showed what kind of equipment was needed in order to product two shafts and the girder. The gantry crane’s economical indicators, the crane’s cost price and its possible sale-price were calculated.
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Pecháček, Michal. "Parní kotel na dřevní štěpku 25t/h, 5,5MPa, 475°C." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230874.

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The work deals with design of steam grate boiler with a output of 25 t/h, parameters of steam output p = 5.5 MPa, t = 475 °C and a temperature of feed water 105 °C. It is a boiler with natural water circulation by evaporation surfaces. Wood biomass is boiler fuel. The proposal consists of stoichiometric calculations, determination of boiler efficiency, thermal calculations and determinion geometric parameters of the boiler and its heat transfer surfaces. The boiler drawing is a part of the work.
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Barzaj, Yasmin. "Conception d'une architecture hybride pour l'instrumentation et l'étude du comportement des 2RM." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS119.

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La thèse propose un système embarqué hybride pour l'acquisition de données. Le système se compose d'un "Smartphone" couplé à un micro-contrôleur de type MBED doté d'une interface bus CAN et d'une carte mémoire SD. Selon les besoins de la recherche,on peut ajouter des capteurs ad-hoc, installés sur le véhicule par exemple, en plus des capteurs présents dans les "smartphones" récents. Le postulat est que l'on peut bénéficier des capteurs présents dans les "Smartphones" pour réduire la complexité et le coût de l'instrumentation tout en obtenant une précision de mesure acceptable, et ainsi permettre un déploiement à large échelle du système d'instrumentation. Un tel instrument de mesure a pour objectif de permettre des applications variées dans le domaine des transports routiers (étude des comportements de conduite, contrôle des flux, ...). Une méthode a été implémentée pour identification des performances des capteurs embarqués dans divers smartphones. Des travaux ont été conduit pour la détection "en ligne" des défaillances de capteurs, et la reconnaissance "hors ligne" de manœuvres réalisées par le conducteur, l'objectif étant, à terme, de reconnaître automatiquement des manœuvres typiques telles que : la prise de virages, la prise de rond-points; les manœuvres d'évitement
In this thesis, we propose a new technic to identify a hybrid system for Data Acquisition,by using ad-hoc sensors on the vehicle, the sensors in the recent smartphones, MBED and CAN-BUS. The assumption is that the Smartphone's sensors will reduce the complexity and the high cost of these instrumentations. The objective is obtaining acceptable measurement accuracy of the collected trajectories and enable for a large-scale deployment of the system's instrumentation, such as a helpful system in the domain of transport. Weshow in this thesis how to build a hybrid system by depending on the properties of the used sensors in both the smartphones and in the vehicles to identify several situation like a failure sensor, accident situation and Rider's behaviour. This system is tested and evaluated on several real time on line - off- line including the used mode and method
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Ló, Rita de Cácia. "Atalia rainha de Judá - Leitura Exegética e Histórica de 2Rs 11,1-3.13-16." Universidade Metodista de São Paulo, 2006. http://tede.metodista.br/jspui/handle/tede/502.

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Made available in DSpace on 2016-08-03T12:20:52Z (GMT). No. of bitstreams: 1 Rita de Cacia Lo.pdf: 2275974 bytes, checksum: 89781a043870246cd2dba3d43ef93519 (MD5) Previous issue date: 2006-03-27
Esta investigación pretende reconstruir um perído de la historia de Israel los seis años del govierno de la Reina Atalia, en Judea (841-836 aC). Teniendo como marco el análisis exegético e histórico del 2Rs11,1-3.13-16. El cenario y el estilo del 2Rs 11 nos permite afirmar que el autor pertencía al círculo de la escribas de la corte o de la institución religiosa. La investigación recurre a la particular ocurrencia de los términos reina madre y gebirah, presentes en el Antiguo Testamento, así como las contribuciones de las tradiciones de los países vecinos con el fin de explicar la ascensión de Atalia al trono de Judea. Atalia ejerció la función de reina madre; dentro de esta función tenía como compentencia la importante missón de cuidar de la realeza y eventualmente ejercer la regencia hasta que la ocupación por derecho y viabilizar su acción. Atalia gobernó durante seis años en Judea; para mantenerse tanto tiempo en el poder contó con las fuerzas aliadas es decir con un grupo que la afianzó en el trono. Atalia es hija de la casa de Omri su madre israelita de fe yavista. La partida de Atalia para Jerusalén es el resultado de un periodo de paz entre los dos reinos hermanos. La durabilidad de su gobierno se debe no a los actos de beligerancia y sí a su ejemplar administración basada principalmente en la actividad comercial favorecida por la posición estratégica de Jerusalén, siendo el puonto geográfico donde convergían impotantes rutas comerciles de la época. Atalia se emcontraba preparada para liderar un país cuya meta era el comercio internacional.
Esta pesquisa busca reconstruir um período da história de Israel os seis anos de governo da Rainha Atalia, em Judá (841-836 aC) tendo como base a análise exegética e histórica de 2Rs11,1-3.13-16. O cenário e o estilo de 2Rs 11 permitem afirmar que o autor pertencia ao círculo dos escribas da corte ou da instituição religiosa. A pesquisa recorre às ocorrências dos termos rainha-mãe e gebirah, presentes no Antigo Testamento, e às contribuições das tradições dos países vizinhos, a fim de explicar a ascensão de Atalia ao trono de Judá. Atalia ocupou a função de rainha-mãe. Com isso competia-lhe a importante função de cuidar da estabilidade da realeza e, eventualmente, exercer a regência até que a ocupação por direito se tornasse viável. Atalia foi soberana por seis anos em Judá. Para manter-se tanto tempo no poder, Atalia contou com forças aliadas, ou seja, um grupo que a garantiu no trono. Atalia é filha da casa de Omri com mãe israelita de fé javista. A vinda de Atalia para Jerusalém é resultado de um período de paz entre os dois reinos irmãos. A durabilidade de seu governo deve-se, não a atos de beligerância, e provavelmente sim à sua exemplar administração, baseada principalmente na atividade comercial, favorecida pela posição estratégica de Jerusalém no cruzamento de importantes rotas comerciais da época. Atalia estava preparada para liderar um país com metas no comércio internacional.
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Kulig, Gabriel, and Gustav Wallin. "R/2R DAC Nonlinearity Compensation." Thesis, Linköpings universitet, Elektroniksystem, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-84481.

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The resistor ladder (R/2R) digital-to-analogue converter (DAC) architecture is often used in high performance audio solutions due to its low-noise performance. Even high-end R/2R DACs suffer from static nonlinearity distortions. It was suspected that compensating for these nonlinearities would be possible. It was also suspected that this could improve audio quality in audio systems using R/2R DACs for digital-to-analogue (A/D) conversion. Through the use of models of the resistor ladder architecture a way of characterizing and measuring the faults in the R/2R DAC was created. A compensation algorithm was developed in order to compensate for the nonlinearities. The performance of the algorithm was simulated and an implementation of it was evaluated using an audio evaluation instrument. The results presented show that it is possible to increase linearity in R/2R DACs by compensating for static nonlinearity distortions. The increase in linearity can be quite significant and audible for the trained ear.
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Stankevicins, Luiza da Cunha. "MicroRNAs in breast cancer progression and DNA damage response." Universidade do Estado do Rio de Janeiro, 2012. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=9187.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Os tumores de mama são caracterizados pela sua alta heterogeneidade. O câncer de mama é uma doença complexa, que possui o seu desenvolvimento fortemente influenciado por fatores ambientais, combinada a uma progressiva acumulação de mutações genéticas e desregulação epigenética de vias críticas. Alterações nos padrões de expressão gênica podem ser resultado de uma desregulação no controle de eventos epigenéticos, assim como, na regulação pós-transcricional pelo mecanismo de RNA de interferência endógeno via microRNA (miRNA). Estes eventos são capazes de levar à iniciação, à promoção e à manutenção da carcinogênese, como também ter implicações no desenvolvimento da resistência à terapia Os miRNAs formam uma classe de RNAs não codificantes, que durante os últimos anos surgiram como um dos principais reguladores da expressão gênica, através da sua capacidade de regular negativamente a atividade de RNAs mensageiros (RNAms) portadores de uma seqüencia parcialmente complementar. A importância da regulação mediada por miRNAs foi observada pela capacidade destas moléculas em regular uma vasta gama de processos biológicos incluindo a proliferação celular, diferenciação e a apoptose. Para avaliar a expressão de miRNAs durante a progressão tumoral, utilizamos como modelo experimental a série 21T que compreende 5 linhagens celulares originárias da mesma paciente diagnosticada com um tumor primário de mama do tipo ErbB2 e uma posterior metástase pulmonar. Essa série é composta pela linhagem obtida a partir do tecido normal 16N, pelas linhagens correspondentes ao carcinoma primário 21PT e 21NT e pelas linhagens obtidas um ano após o diagnóstico inicial, a partir da efusão pleural no sítio metastatico 21MT1 e 21MT2. O miRNAoma da série 21T revelou uma redução significativa nos níveis de miR-205 e nos níveis da proteina e-caderina e um enriquecimento do fator pró-metastático ZEB-1 nas células 21MT. Considerando a importância dos miRNAs na regulação da apoptose, e que a irradiação em diferentes espectros é comumente usada em procedimentos de diagnóstico como mamografia e na radioterapia, avaliamos a expressão de miRNAs após irradiação de alta e baixa energia e do tratamento doxorrubicina. Para os ensaios foram utilizados as linhagens não tumorais MCF-10A e HB-2 e as linhagens de carcinoma da mama MCF-7 e T-47D. Observou-se que raios-X de baixa energia são capazes de promover quebras na molécula do DNA e apoptose assim como, alterar sensivelmente miRNAs envolvidos nessas vias como o let-7a, miR-34a e miR-29b. No que diz respeito à resposta a danos genotóxicos, uma regulação positiva sobre a expressão de miR-29b, o qual em condições normais é regulado negativamente foi observada uma regulação positiva sobre miR-29b expressão após todos os tratamentos em células tumorais. Nossos resultados indicam que miR-29b é um possível biomarcador de estresse genotóxico e que miR-205 pode participar no potencial metastático das células 21T.
Breast tumors are characterized by their high heterogeneity. It is a complex disease, which has its development strongly influenced by environmental factors, combined with a progressive accumulation of genetic mutations and epigenetic dysregulation of critical pathways. Changes in gene expression patterns may be a result of a deregulation in epigenetic events as well as in post-transcriptional regulation driven by RNA interference endogenously represented by microRNA (miRNA) these mechanisms are capable to promote the initiation, maintenance and progression of carcinogenesis; they are also implicated on the development of therapy resistance. miRNAs form a class of non-coding RNAs which have emerged in recent years as one of the major regulators of gene expression through its capacity to silence messenger RNAs (mRNAs) containing a partially complementary sequence. The importance of regulation mediated by miRNAs was observed on their ability to regulate a wide range of biological processes including cell proliferation, differentiation and apoptosis.To gain insights into the mechanisms involved in breast cancer initiation and progression conducted a miRNA global expression on 21T series that are an in vitro model of breast cancer progression comprising cell lines derived from the same patient which include a normal epithelia (16N), primary in situ ductal carcinoma (21PT and 21NT) and cells derived from pleural effusion of lung metastasis (21MT-1 and 21MT-2). Considering the importance of miRNAs in the regulation of apoptosis, and that irradiation in different spectra is commonly used in diagnostic procedures as mammography and on radiotherapy, we evaluate the miRNA expression after cell low and high energy irradiation and doxorubicin treatment to determine whether miRNAs are useful biomarkers to detect cell response after DNA damage. The experiments were done on the non-tumoral cell lines MCF-10A and HB-2 and on the breast carcinoma derived cell lines MCF-7 and T-47D. We observed that of low energy X-rays is able to promote DNA strand breaks and apoptosis and to slightly change the expression of miRNAs involved on this pathway such as let-7a, miR-34a and miR-29b. Regarding DNA stress response pathways an upregulation on miR-29b expression, that in normal conditions is downregulated in tumor cell lines could be observed after all treatments. The microRNAome of 21T series revealed a significant downregulation of miR-205, an enrichment of the prometastatic factor ZEB-1, potential target for miR-205 and the consequent reduction of ecadherin levels in 21MT cells checked by western blot. Our results indicate that miR-29b is biomarkers of genotoxic stress and that miR-205can participate on the metastatic potential of 21T cells.
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Stark, Erik. "Kontraktsrättsliga regler och offentliga uppdrag - Närmare om att analogt tillämpa 36§ 2st. konsumenttjänstlagen på lantmäteriförrättningar." Thesis, Umeå universitet, Juridiska institutionen, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-132690.

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Němec, Radim. "Roštový kotel s přirozenou cirkulací na spalování slámy z pšenice,žita a ječmene,20t/h." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230887.

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The aim of this thesis is to propose a grate steam boiler for combustion of straw from wheat, rye and barley output of 20 t / h The calculation is performed by stoichiometric calculation of elemental analysis to calculate the dimensions of a boiler heating surfaces. Default superheated steam can be used mainly for electricity generation.
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Zhao, Haiyan. "Catalytic Hydrogenation and Hydrodesulfurization of Model Compounds." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/26526.

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This dissertation describes two related studies on hydrogenation and hydrodesulfurization of heterocyclic S-containing compounds. Alkyl substituted thiophenes are promising candidates for hydrogen carriers as the dehydrogenation reactions are known to occur under mild conditions. Four types of catalysts including supported noble metals, bimetallic noble metals, transition metal phosphides and transition metal sulfides have been investigated for 2-methylthiophene (2MT) hydrogenation and ring opening. The major products were tetrahydro-2-methylthiophene (TH2MT), pentenes and pentane, with very little C5-thiols observed. The selectivity towards the desired product TH2MT follows the order: noble metals > bimetallics > phosphides > sulfides. The best hydrogenation catalyst was 2% Pt/Al2O3 which exhibited relatively high reactivity and selectivity towards TH2MT at moderate temperatures. Temperature-programmed desorption (TPD) of hydrogen indicated that the H2 desorption amount was inversely related to the rate of TH2MT formation. Temperature programmed reaction (TPR) experiments revealed that pentanethiol became the major product, especially with HDS catalysts like CoMoS/Al2O3 and WP/SiO2, which indicates that poisoned or modified conventional HDS catalysts would be good candidates for further 2MT hydrogenation studies. The role of tetrahedral Ni(1) sites and square pyramidal Ni(2) sites in Ni2P hydrotreating catalysts was studied by substitution of Ni with Fe. The Fe component was deemed as a good probe because Ni2P and Fe2P adopt the same hexagonal crystal structure, yet Fe2P is completely inactive for hydrodesulfurization (HDS). For this purpose a series of NiFeP/SiO2 catalysts were prepared with different Ni:Fe molar ratios (1:0, 3:1, 1:1, 1:3, and 0:1) and investigated in the HDS of 4,6-dimethyldibenzothiophene at 300 and 340 oC. The uniformity of the NiFe series was demonstrated by x-ray diffraction analysis and by Fourier transform infrared (FTIR) spectroscopy of adsorbed CO. The position of substitution of Fe was determined by extended X-ray absorption fine structure (EXAFS) analysis. It was found that at 300 oC the HDS activity of the catalysts decreased with increasing Fe content and that this could be explained by the substitution of Fe at the more active Ni(2) sites. As temperature was raised to 340 oC, the activity of the Fe-containing samples increased, although not to the level of Ni2P, and this could be understood from a reconstruction of the NiFe phase to expose more Ni(2) sites. This was likely driven by the formation of surface Ni-S bonds, which could be observed by EXAFS in spent samples.
Ph. D.
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Stout, Jesse. "Firearm Risk Regression Analysis for Law Enforcement Officer Firearm Usage Utilizing Factors in the M-Pulse and MMPI-2RF." ScholarWorks, 2019. https://scholarworks.waldenu.edu/dissertations/6951.

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The purpose of this quantitative study was to determine to what extent the 4 M-PULSE scale scores (interpersonal difficulties, unprofessional conduct, discharge of weapon, and inappropriate use of weapon) account for variance in the MMPI-2RF (aggression and antisocial) subscales scores. Archival data was provided by a private business that conducts these screenings for multiple law enforcement organizations (local and state). Law enforcement candidates (N = 127) were evaluated by a private business during the prehiring psychological screening process using the M-PULSE and MMPI-2RF to assess their risk factors for employment as law enforcement officers. Using Social Learning theory as the basis, the scores from the 2 measures were provided for regression analysis to determine what effect the M-PULSE factors had on the MMPI-2RF factors. This research did not find any significant effect on either MMPI-2RF factor by the 4 M-PULSE factors. This study adds to the growing body of knowledge of law enforcement psychological screening processes and how different measures provide critical information on personality, aggression, and risk factors that should be considered for individuals seeking employment in a law enforcement position. This study has implications for positive social change by increasing understanding of how current psychological screening processes determine suitability of candidates and help to ensure that individuals who would put the public and law enforcement organizations at higher risk should be screened out prior to completion of any law enforcement training.
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Books on the topic "2RT"

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1-2Re. Milano: Paoline, 2010.

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Zdorovt͡sov, I. A. Transportnai͡a sistema peredachi K-24T. Moskva: "Transport", 1987.

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Wander, Tim. 2MT Writtle: The birth of British broadcasting. Stowmarket: Capella, 1988.

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2RN and the origins of Irish radio. Dublin, Ireland: Four Courts Press, 2002.

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High-altitude spy planes: the U-2RS. Mankato, MN: Capstone Press, 2008.

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Maths connect: 2R. Oxford: Heinemann, 2004.

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Friedes, Peter E. The 2R Manager. New York: John Wiley & Sons, Ltd., 2002.

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Clarke, Paddy. Dublin calling: 2RN and the birth of Irish radio. Dublin: Radio Telefís Éireann, 1986.

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Tucker, Patty. Good/Bad 2NT. Bridge With Patty, 2013.

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Scoresby, William. Magnetical Investigations. 2Pt. HardPress, 2020.

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Book chapters on the topic "2RT"

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Wendisch, Detlef A. W. "2QT." In Acronyms and Abbreviations in Molecular Spectroscopy, 15. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74869-1_3.

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Ben-Asher, Yosi, Gudula Rünger, Reinkard Wilhelm, and Assaf Schuster. "Implementing 2DT on a multiprocessor." In Lecture Notes in Computer Science, 113–27. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/3-540-57877-3_8.

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Semba, Kouichi. "Emerging Ultrastrong Coupling Between Light and Matter Observed in Circuit Quantum Electrodynamics." In International Symposium on Mathematics, Quantum Theory, and Cryptography, 7–8. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5191-8_3.

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Abstract The strength of the coupling between an atom and a single electromagnetic field mode is defined as the ratio of the vacuum Rabi frequency to the Larmor frequency, and is determined by a small dimensionless physical constant, the fine structure constant $$\alpha =Z_{vac} / 2R_{K}$$. On the other hand, the quantum circuit including Josephson junctions behaving as artificial atoms and it can be coupled to the electromagnetic field with arbitrary strength (Devoret et al. 2007). Therefore, the circuit quantum electrodynamics (circuit QED) is extremely suitable for studying much stronger light-matter interaction.
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Baldini, Gianfranco, and Adriano Pappalardo. "The French 2RS: Suited for Comparative Research?" In Elections, Electoral Systems and Volatile Voters, 116–29. London: Palgrave Macmillan UK, 2009. http://dx.doi.org/10.1057/9780230584389_7.

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Downey, R. G., and M. R. Fellows. "The Monotone and Antimonotone Collapse Theorems: MONOTONEW[2t + 1] = W[2t] and ANTIMONOTONE W[2t + 2] = W[2t + 1]." In Parameterized Complexity, 377–87. New York, NY: Springer New York, 1999. http://dx.doi.org/10.1007/978-1-4612-0515-9_18.

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Downey, Rodney G., and Michael R. Fellows. "The Monotone and Antimonotone Collapse Theorems: Monotone W[2t+1]=W[2t] and Antimonotone W[2t+2]=W[2t+1]." In Texts in Computer Science, 461–71. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5559-1_24.

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Li, Qinchuan, Jacques M. Hervé, and Wei Ye. "Type Synthesis of 4-DOF 2R2T Parallel Mechanisms." In Geometric Method for Type Synthesis of Parallel Manipulators, 87–99. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8755-5_6.

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Faugère, Jean-Charles, and Ludovic Perret. "Cryptanalysis of 2R− Schemes." In Lecture Notes in Computer Science, 357–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11818175_21.

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Ding-Feng, Ye, Lam Kwok-Yan, and Dai Zong-Duo. "Cryptanalysis of “2R” Schemes." In Advances in Cryptology — CRYPTO’ 99, 315–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/3-540-48405-1_20.

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Jakse, R., and G. P. Tilz. "sIL-2R und mIL-2R beim Plattenepithelkarzinom des Kopf-Hals-Bereiches." In Teil II: Sitzungsbericht, 210–11. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84310-5_205.

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Conference papers on the topic "2RT"

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Bataleblu, Abbas, Mohammad Motaharifar, Ebrahim Abedlu, and Hamid D. Taghirad. "Robust H∞ control of a 2RT parallel robot for eye surgery." In 2016 4th International Conference on Robotics and Mechatronics (ICROM). IEEE, 2016. http://dx.doi.org/10.1109/icrom.2016.7886835.

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Chen, Wen-jia, Ming-yang Zhao, Ji-ping Zhou, and Yong-fa Qin. "A 2T-2R, 4-DOF Parallel Manipulator." In ASME 2002 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASME, 2002. http://dx.doi.org/10.1115/detc2002/mech-34303.

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Chen, Ziming, Yanwen Li, Zhen Huang, and Xianwen Kong. "Type Synthesis of 3-RSR Equivalent 2R1T Parallel Mechanisms." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-85101.

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Parallel mechanisms (PMs) with two rotational and one translational (2R1T) degrees of freedom (DOFs) have attracted much attention these years. The 2R1T PMs can be divided into various categories due to different motion patterns, such as the UP equivalent PMs, the RPR equivalent PMs, the PU equivalent PMs and the 3-PPS equivalent PMs. In this paper, the 2R1T PMs have the same motion characteristics with the 3-RSR PM are studied and synthesized. This kind of PMs can be called as 3-RSR equivalent 2R1T PMs. The 3-RSR equivalent 2R1T PMs can realize both continuous rotations about fixed axes and continuous translation along fixed directions. The constraint and motion characteristics of the 3-RSR equivalent 2R1T PMs are analyzed. The design of the branches for the 3-RSR equivalent 2R1T PMs is dealt with using the screw theory and the subchains. A group of novel 3-RSR equivalent 2R1T PMs are obtained.
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Di Gregorio, Raffaele. "Analytic Form Solution of the Direct Position Analysis of the SP-2RS Architectures." In ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/detc2004-57037.

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When the actuators are locked, parallel manipulators (PMs) become parallel structures, that are structures constituted by two rigid bodies (platform and base) connected by a number of kinematic chains (limbs) with only passive kinematic pairs. A set of PMs is the one collecting the manipulators (SP-2RS architectures) which become structures with one limb of type SP and two limbs of type RS (P, R and S stand for prismatic pair, revolute pair and spherical pair respectively). The analytic determination of the assembly modes of the SP-2RS structures (i.e. the solution in analytic form of the direct position analysis of the SP-2RS architectures) has not been presented in the literature yet. This paper presents the solution in analytic form of the DPA of the SP-2RS architectures. In particular, the closure equation system of a generic SP-2RS structure is written in the form of three non-linear equations in three unknowns. The solution of the non-linear system is reduced to the determination of the roots of a sixteenth-degree univariate polynomial equation plus a simple back substitution procedure. The proposed solution algorithm is applied to a real case. The result of this study is that the solutions of the direct position analysis of all the SP-2RS architectures are at most sixteen and can be analytically determined through the proposed algorithm.
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Nakamura, Yuji, and Minoru Uehara. "Performance Evaluation of 2FT RAID." In 2011 14th International Conference on Network-Based Information Systems (NBiS). IEEE, 2011. http://dx.doi.org/10.1109/nbis.2011.87.

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Aekbote, Krishnakanth, James Cheng, Jamel E. Belwafa, Clifford C. Chou, King H. Yang, John M. Cavanaugh, and Stephen W. Rouhana. "Determination of Impact Responses of ES-2re and SID-IIs - Part I: ES-2re." In WCX World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2018. http://dx.doi.org/10.4271/2018-01-1449.

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Yu, Alan, Paul Stanton, and Yongming Cheng. "Investigation of Impact of New Design Code on Riser System Design." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79279.

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Top tensioned risers are fluid conduits from subsea equipment to surface floating production platforms. The advantages of using top tensioned risers are the ability to drill and complete through the production riser, ease of access of the production trees for gas lift operation, and the simplicity of workover and redrill. The integrity of a riser system plays an important role in deepwater developments. Top tensioned risers (TTRs) and steel catenary risers (SCRs) have been widely used with floating production systems such as Spars and TLPs. API RP 2RD [1] has been used to guide riser system design for the last decade. API RP 2RD is being revised as a code (ISO 13628-12) that will also be adopted as a new API code. This paper investigates the impacts of the new design code on the riser system design. This paper first discusses the differences between ISO/WD 13628-12 and the existing API RP 2RD code, particularly the section on design criteria for pipes. The Holstein top tensioned riser system is chosen as an example to evaluate the riser system design impacts. The risers have been installed and successfully producing oil since 2005. The results of the nonlinear finite element program ABAQUS used to analyze the Holstein top tensioned risers were evaluated according to the API RP 2RD. The same analytical results are used for evaluating the impact of the proposed ISO 13628-12 in the area of stress evaluation.
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HARRISON, N. "PERSISTENT CURRENTS AT FIELDS ABOVE 23T." In Physical Phenomena at High Magnetic Fields - IV. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812777805_0041.

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El Beshbichi, Omar, Yihan Xing, and Muk Chen Ong. "LQR Optimal Control of Two-Rotor Wind Turbine Mounted on Spar-Type Floating Platform." In ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/omae2022-78877.

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Abstract Interest is steadily growing for multi-rotor wind turbine concepts. This type of wind turbine offers a practical solution for scaling issues of large wind turbine components and for reduction of costs associated with manufacturing, logistics, and maintenance. However, the literature lacks thorough knowledge of the dynamic performance of multi-rotor wind turbine concepts installed on floating platforms. Previous research studied the dynamic response of a two-rotor wind turbine concept mounted on a spar-type floating platform (2WT). Platform yaw motion is a significant dynamic factor directly caused by differential turbulence intensity experienced by the two hubs coupled with the distribution of thrust loads on the tower structure. Blade-pitch control analysis also showed how the 2WT yaw response is extremely sensitive to the control strategy employed. In this work, LQR control is used to design an optimal controller for the 2WT prototype. Three LQR gain schedules corresponding to three operation regions are considered. An in-house tool for the dynamic analysis of multi-rotor floating wind turbines is used for linear state-space extraction and dynamic analysis. The control performance in different load conditions is assessed against the baseline OC3 PI control strategy and a PI-P control strategy in a previous paper presented by the authors.
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Wang, Dong, Jun Wu, Liping Wang, and Hao Si. "A Method for Solving Rotational Velocity Fluctuation Problem of a 3-DOF Parallel Tool Head." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70712.

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Velocity stability is one of the most important properties for a parallel tool head during machining process. However, due to the nonlinear kinematic transmission characteristics between the motion in joint space and the motion in task space of a parallel manipulator, there exists obvious rotational velocity fluctuation problem of a parallel tool head which couples two degrees of freedom and one translational degree of freedom (2R1T), and the kinematic performance would be heavily affected by the rotational velocity fluctuation problem. Thus, it is a core issue of how to ensure velocity stability of this type parallel tool heads under general numerical control (NC) system. In this paper, by taking a typical 2R1T parallel tool head as an object of study, a method for solving the rotational velocity fluctuation problem is investigated. First, the nonlinear kinematic characteristics of the 2R1T parallel tool head are analyzed to explain the reason of the rotational velocity fluctuation. Next, a completed optimization method of feed rate is proposed to reduce the rotational velocity fluctuation, and the different displacement increments and velocity mapping abilities of each driving shaft are considered. Finally, a comparison experiment is carried out to validate the effectiveness of the method. The result shows that the rotational velocity fluctuation of the 3-DOF parallel tool head is almost eliminated by setting appropriate feed rate.
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Reports on the topic "2RT"

1

Brandon D. Miller. Microstructural Studies of Uranium-7wt%Molybdenum/Aluminum-2wt%Silicon Dispersion Fuel. Office of Scientific and Technical Information (OSTI), November 2010. http://dx.doi.org/10.2172/1009150.

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Li, Shulong, Henry S. White, and Michael D. Ward. Scanning Tunneling Microscopy of the Organic Semiconductor ((Eta-C5Me5) 2Ru(1,4-(2(2))-cyclophane)) (TCNQ)4. Fort Belvoir, VA: Defense Technical Information Center, February 1992. http://dx.doi.org/10.21236/ada246848.

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Parsons, Donald Kent. Correction to h-zr.27t: the H in Zirc Hydride S(α,β) Data at 1200K in the ENDF71SaB Library. Office of Scientific and Technical Information (OSTI), January 2017. http://dx.doi.org/10.2172/1341852.

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Anninos, P. Kull ALE: I. Unstructured Mesh Advection, Interface Capturing, and Multiphase 2T RHD with Material Interfaces. Office of Scientific and Technical Information (OSTI), February 2002. http://dx.doi.org/10.2172/15006516.

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SANCHEZ, LAWRENCE C., CATHY A. OTTINGER, and GARY F. POLANSKY. A Simplified Methodology for Estimating the Pressure Buildup and Hydrogen Concentration Within a 2R/6M Container. Office of Scientific and Technical Information (OSTI), August 2001. http://dx.doi.org/10.2172/791883.

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BALYSH, A. HOUSING CONSTRUCTION IN THE USSR IN THE 20T-30TH OF THE TWENTIETH CENTURY AND THE INFLUENCE OF THIS FACTOR ON THE DEVELOPMENT OF HEAVY AND DEFENSE INDUSTRY. Science and Innovation Center Publishing House, 2021. http://dx.doi.org/10.12731/2077-1770-2021-13-4-2-14-23.

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The aim of the article. How state-of-the-art in the field of home building influenced onto capital constructing in defense industry, putting into exploitation and operation of the new military plants during the industrialization period is examined. Methodology. General principles of historism and objectivity are the theoretical-methodological base of this work. Author also uses special historical methods: logic, systematic, chronological, actualisation and periodizing. Results. This article is based on documents storing in the Russian State Archive and Russian State Economical Archive. Collections of historical documents related to the Soviet period of Russian history are also used. On the base of these documents it is shown that poor situation in the field of home building was the reason of persistent deficits of building and exploitation workers. Due to this fact it was impossible to apply the funds given by the Government for building some plants (especially at the periphery), building works were delayed and proper operation of already built ones was spoiled. These problems were not completely solved till the beginning of the Great Patriotic War. All this effected negatively to the Red Army combat readiness before and during the war, especially at the beginning period. Practical application. The field of results application. Practical significance of this work is as follows: the archive data, which are for the first time used for scientific investigation and also the conclusions formulated in this article can be used for further scientific research on the USSR military industry in the industrialization period and also for scientific research on the USSR period in general.
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Ferguson, Jim Michael. The “2T” ion-electron semi-analytic shock solution for code-comparison with xRAGE: A report for FY16. Office of Scientific and Technical Information (OSTI), October 2016. http://dx.doi.org/10.2172/1329821.

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