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Showing 1 to 20 of 214 for “"P4"”.
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A formal semantics of P4 and applications
Programmable packet processors and P4 as a programming language for such devices have gained significant interest, because their flexibility enables rapid development of a diverse set of applications that work at line rate. However, this flexibility, combined with the complexity of devices and …
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Low-Overhead Packet Loss Diagnosis for Virtual Private Clouds using P4-Programmable NICs
… mechanism is based on the modern capabilities of P4 data plane programmable NICs and has a limited footprint in the network. Virtual networks at cloud-scale pose considerable challenges in achieving this goal. We differentiate between packet losses in virtual and physical networks to address these …
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Advancing Deep Packet Inspection in SDNs: A Comparative Analysis of P4 and OpenFlow Programmability
… emphasizing the comparative efficacy of P4 programming language against the conventional OpenFlow protocol.OpenFlow, while foundational in SDN’s evolution, exhibits notable constraints in DPI’s domain, primarily due to its limited packet inspection depth, confined largely to the …
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Fluorescence Investigations of RNA Folding: Group I Intron P4-P6 Domain and Xpt G -Riboswitch Aptamer Domain
… covalently attached pyrene fluorescence, P4-P6 domain of the Tetrahymena group I intron RNA, xpt G-riboswitch aptamer domain, FRET.
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Detection of Progesterone in Cow’s Milk for the Prediction of Reproductive Performance
… are often laborious or erroneous. Progesterone (P4) is one of the hormones that regulates the estrous cycles of female animals and therefore, the determination of P4 levels is one of the most accurate means for the detection and verification of the onset of estrus. However, to measure …
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Induction of fertile estrus during seasonal anestrus in ewes and fall born ewe lambs
The quantity of progesterone (P4) delivered by a new P 4 releasing intravaginal insert (polycapralactone [PCL] insert), was inadequate to increase serum concentrations of P4 to that observed in cycling ewes during the luteal phase. Percentage of ewes in estrus was greater in P4 treated than in …
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Improved Synthesis, Separation, Transition Metal Coordination and Reaction Chemistry of a New Binucleating Tetraphosphine Ligand
… ligand, PEt2CH2CH2(Ph)PCH2P(Ph)CH2CH2PEt2, et,ph-P4. Under conditions tested no alcohol products were detected. However we have observed formation of a small amount of oxidative cleavage products. Results from studies of oxidative cleavage reactions are described in Chapter 3. It was established …
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Spectroscopic and synthetic studies relating to a dirhodium hydroformylation catalyst
… rac-[Rh<sub>2</sub>(nbd)<sub>2</sub>(et,ph-P4)](BF<sub>4</sub>)<sub>2</sub>, and to fully identify the catalytically inactive mono- and dirhodium complexes formed upon fragmentation of the catalyst under hydroformylation conditions. Various in situ NMR methods such as 1D <sup>1</sup>H and …
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Some Physical and Chemical Properties of SALMONELLA POTSDAM Bacteriophages
… Three temperate bacteriophages P3/2, P4/2 and P9a/2 isolated from lysogenic strains of <em>S. potsdam</em> were investigated. Phage P4/2 is in Group A and phages P3/2 and P9a/2 in Group B.</p> <p>The kinetics of heat inactivation and of ultraviolet light inactivation of each of these …
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HUMAN PREMOLAR CROWN SIZES ARE VARIABLE EVEN IN THE SAME MOUTH, WITH LOW TO HIGH POSITIVE CROWN SIZE CORRELATIONS AMONG PREMOLARS AND ALL MOLARS.
… Module (PMM) where sizes of the fourth premolar (P4) and all three molars were highly positively correlated. Counter to the ICM, our lab previously found in contemporary humans that instead of M1 size, only M2 size estimates M3 size. Our lab also identified in humans 13 different molar size ratio …
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Arabidopsis thaliana P4-type ATPases ALA4 and ALA5 are Necessary for Normal Cellular Elongation in Developing Vegetative Tissues and Rescue the Pollen Tube Deficiencies in Knockout ala6/7 Mutants
Members of the P4 subfamily of P-type ATPases (lipid flippases) have been shown to incorporate specific lipids into cellular membranes, as well as flip lipids from one leaflet to another to create an asymmetric distribution of lipid head groups as well as membrane curvature. In Arabidopsis …
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Progesterone Regulation of the GnRH Pulse Generator
… following the mid-cycle ovulation, progesterone (P4) levels dramatically increase and exert a negative feedback action upon pulsatile LH secretion necessary for maintaining normal fertility. In mice, the ARN kisspeptin neurons display synchronised patterns of firing approximately every hour in …
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Programming Language Foundations for Packet Processing
This dissertation gives semantics to P4, a domain-specific language for describing packet processing in packet-switched computer networks. Additionally it describes verification tools for checking the equivalence of P4 programs. These verifiers can be used to check that a P4 compiler has not …
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The effects of varying the interval from follicular wave emergence to progestin withdrawal on follicular dynamics and the synchrony of estrus in beef cattle
… GnRH or estradiol-17 beta (E2) + progesterone (P4), controlled internal drug-releasing device (CIDR) treatment duration, and PG or saline treatment as main effects. Cycling, Angus cows (n=49), on d 6 to 8 of the estrous cycle, were randomly assigned to receive a CIDR treatment for 7 or 9 d. …
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Evaluation of salivary progesterone profiles as an indicator of reproductive status in equines
… Of the reproductive hormones, progesterone (P4) is one of the most commonly measured hormones in the field of equine reproduction. Serum concentration of P4 from mares is usually evaluated using an extracted radioimmunoassay (RIA). The use of RIA for serum P4 measurement usually involves an …
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Evaluation of 72 h Cosynch and 5 or 7 d post-AI gonadotropin releasing hormone on first service pregnancy rate in lactating dairy cows
… or 7 d post-AI GnRH on first service PR, plasma P4, and CL volume in lactating dairy cows synchronized using 72 h Cosynch. All cows were synchronized and randomly assigned to one of three treatment groups: Control – no additional GnRH; 5 d – GnRH 5 d after TAI; 7 d – GnRH 7 d after TAI. In the …
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Monitoring and improving reproductive performance of crossbred dairy cattle in Tigray Region, Ethiopia
… tools to determine milk and serum progesterone (P4) and evaluate reproductive status. There were 177 dairy farms (range 1-115 cattle per farm) included in the questionnaire survey. Of these, 47 participated in the quantitative determination of P4 and estradiol profiles that used an enzyme-linked …
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Prostaglandins Modulate the Uterine Response to Infectious Bacteria in Postpartum and Estrous Cyclic Ewes
… immune system is down regulated when exposed to P4. Five experiments were conducted to determine the in vivo and in vitro role(s) of P4 and prostaglandins in immune function(s) associated with uterine infections. In Exp. 1, postpartum ewes (d 0 = parturition) were supplemented with either OIL or …
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Efeitos da reinserção de dispositivo intravaginal de progesterona sobre parâmetros endócrinos e embrionários em ovelhas superovuladas
… um dispositivo intravaginal de progesterona (P4; 0,36 g; Primer ® , Agener União Saúde Animal, Brasil) por nove dias, inserido (D0) e retirado (D9) no período da tarde (18:00 h), bem como seis doses decrescentes (25, 25, 15, 15, 10, 10%) de 133 mg de pFSH i.m. (Folltropin ® , Vetoquinol, …
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