gebhart/patrepeval huggingface dataset:
Electrical Breakdown and the Similarity Law in SF6 at Extra-High-Voltages (1972)

The DC electrical breakdown of SF6 gas at extra-high- voltages was studied experimentally in coaxial systems of moderate size. The results were compared to a similarity relationship of electric stress for breakdown based on ionization of the gas. For laboratory-clean systems, theory and experiment agree when the macroscopic gradient does not exceed 150 to 200 kV/cm. If the active area of the stressed electrode is small the law remains accurate for higher gradients. Departures from the law are qualitatively explained by including the electrode surface microstructure in its application.
PARA-FM: Graphical User Interface for Emergency Flood Planning and Management (2022)

The world has been seeing an increase in the occurrence of floods due to changing climatic conditions and also due to manual actions like rapid and arbitrary urbanisation. Though it is hard to prevent floods, the losses, ecological as well as economical, it could be minimised if timely and appropriate measures are taken. Preventive measures like evacuation of people, livestock and other wildlife will help in handling floods, whose occurrence could be forecasted but to handle emergency flood situations it is very important to build the required infrastructure like emergency response and health care teams, medical and other resources needed to be distributed in flood affected areas. In order to allocate the resources, efficient algorithms have to be designed so that the resulting allocation is optimal and can have maximum impact in handling the situation. These algorithms form the backbone of the resource allocation task and to provide a smooth and easy interface with these algorithms, a simple and user-friendly Graphical User Interface (GUI) is needed. The developed GUI, (PARA-FM, Planning and Resource Allocation for Flood Management) will be able to handle all the inputs from the users that are needed by the algorithms and displays the output from these algorithms in a compact way. The user can modify the entries as per his/her need and the GUI generates the final output for the algorithm by converting user inputs into comma-separated-values (CSV) format. The tabular structure of GUI allows the user to transition between tabs for accessibility to different input tables which make the process perspicuous for the 101user. This GUI also features google maps API which is used for representation of flood affected regions with interactive options on the map such as, interactive markers, highlighted affected regions and details generated by the algorithm. The final results of resource allocation for both state and district level are then represented in the form of a stacked bar graph.
A Study on Integration of Sequencing and Part Delivery Planning for Mixed-Model Assembly Line (2016)

In order to cope with diversified customers’ needs, it has been required to realize the high-mix low-volume manufacturing. A mixed-model assembly line is a type of production line for satisfy the requirement, in which several similar products are assembled sequentially in the same line. To achieve high efficiency of the mixed-model assembly line production, it is critical to determine the product sequence suitably. There have been numerous works for sequencing problem and many methods have been proposed. They, however, do not take parts delivery into consideration, and the product sequence obtained by them may result in poor efficiency due to constraints in delivering parts. This paper provides an integrated method for sequencing and parts delivery planning by formulating the integrated problem as an integer programming.
High‐temperature coupling of high‐speed GPC with continuous viscometry. I. Long‐chain branching in polyethylene (1982)

Abstract The coupling of a high‐temperature liquid chromatograph (Waters 150C) with a home‐made continuous capillary viscometer is described. This detector is the only one suitable for high‐speed GPC when the small volume of the mobile phase prohibits the coupling with a classical viscometer. The pressure drop of the GPC effluent through the capillary is continuously measured along with the refractive index change. This dual detection leads to the determination of the intrinsic viscosity as a function of the elution volume, thus allowing a precise use of Benoit's universal calibration. The accuracy of our system is demonstrated in the case of the characterization of linear and branched polyethylene samples. The results concerning the average molecular weights as well as the branching factors (structure parameter g ′ and long‐chain branching frequencyλ) are in close agreement with those obtained by the classical way (coupling traditional GPC and discontinuous viscometry). It is well known that an estimate of the λ coefficient is extremely dependent on several hypotheses. However, for a set of commercial low‐density polyethylenes, we obtained λ values about 0.5 × 10 −4 , with no marked change along the molecular weight range.
Smart Calliper for Measurement While Drilling (2013)

Abstract This paper outlines the R&amp;D methodology, accelerated testing and successful results of an innovative Smart Reamer Calliper for measurement while drilling. The concept was progressed from design to prototype with long hours downhole drilling qualification tests completed in 3 years. Limitations often exist with ultrasonic calliper measurement technology due to bottom-hole assembly (BHA) placement and changes in fluid density. The Smart Calliper prototype tool overcame these limitations by building onboard proper calibration and multiple sensors that allow 360 ° mapping of the wellbore shape. Further optional Measurement While Drilling (MWD), vibration, magnetic and underreamer position sensors can be added. An R&amp;D project was established with incremental tests identifying root-cause failure/design issues before moving to the next stage. This iterative process ensured proper prototype manufacturing and minimized risk at critical test points. At the same time parallel activities enabled the project to reduce overall time associated with common project tasks. The whole R&amp;D consisted of four stages: design and finite element analysis (FEA), small scale testing, full scale testing and long hours of field test drilling. The prototype tool was first tested in sliding, rotating and underreaming BHAs for drilling a total of 900 m in chalk, clay and sands. Small scale lab tests — including high pressure and temperature at 13,053 psi and 150°C for 100 hours — were conducted in England. Full scale under-reaming testing occurred in Norway with a wireline calliper for cross-check of the wellbore diameter measurement, and finally another qualification test in England comprising 59 hours on bottom drilling. Last, a real-time data display was performed via an integration with a standard mud pulse telemetry. In conclusion, the new Smart Calliper tool accurately measures and can provide both memory and real-time data of the 3D wellbore, allowing the drilling team at the rig-site to: Pinpoint narrow or under-gauge wellbore sections, verifying underreamer performance and measuring wellbore diameter above the reamer, allowing for a corrective reaming trip to be performed while drilling BHA is still in hole.Offer better cement volume estimate to minimize excess.Eliminate wireline calliper deployment.Eliminate a wiper trip typically carried out prior to running long casing or liner string.Offer monitoring of downhole tool vibration and separate directional survey if required.
Target-reflectivity theory for coherent laser radars (1982)

The general target characterization for coherent laser radars is shown to be a two-frequency bistatic scattering-amplitude matrix. This matrix is used to develop target-signature expressions for pulsed imager and 3-D imager systems. The relationships between the scattering matrix and the more familiar bidirectional reflectance, diffuse reflectivity, and multiplicative target models are explored. Problems that may arise in test bed or reflectometer measurements of target reflectivity are discussed, and test bed calibration-plate measurement data are reported. The latter will indicate the viability of diffuse reflectivity for rough-surface targets.
Predictive Engagement: An Efficient Metric for Automatic Evaluation of Open-Domain Dialogue Systems (2020)

User engagement is a critical metric for evaluating the quality of open-domain dialogue systems. Prior work has focused on conversation-level engagement by using heuristically constructed features such as the number of turns and the total time of the conversation. In this paper, we investigate the possibility and efficacy of estimating utterance-level engagement and define a novel metric, predictive engagement, for automatic evaluation of open-domain dialogue systems. Our experiments demonstrate that (1) human annotators have high agreement on assessing utterance-level engagement scores; (2) conversation-level engagement scores can be predicted from properly aggregated utterance-level engagement scores. Furthermore, we show that the utterance-level engagement scores can be learned from data. These scores can be incorporated into automatic evaluation metrics for open-domain dialogue systems to improve the correlation with human judgements. This suggests that predictive engagement can be used as a real-time feedback for training better dialogue models.
Kidney cachexia or protein‐energy wasting in chronic kidney disease: facts and numbers (2019)

The recent understanding of cachexia physiopathology during CKD progression suggests that PEW and cachexia are closely related and that PEW corresponds the initial state of a continuous process that leads to cachexia, implicating the same metabolic pathways as in other chronic diseases. Despite the success of the definition of PEW, using a more uniform term such as 'kidney disease cachexia' could be more helpful to design future research through collaborative groups of researchers with focus on cachexia.
Null Forming in Circularly Polarized Antenna Patterns Using Reactive Loading of Multi-Arm Archimedean Spiral Antenna (2014)

A multi-arm spiral antenna, of N arms, can have N modes of operation. The integer n represents the operating mode which is determined by the signal phase increment between adjacent arms as fed from the antenna terminals. For the antenna to radiate effectively, the active region must be enclosed by a circumference of mode number (n) times the operating wavelength. Each mode generates a different radiation pattern. Modes, with n between 2 and N-2, are capable of forming radiation pattern nulls. This paper shows a way to excite noninteger modes along with integer modes of radiation, which combined, can create a null which can be steered away from the antenna vertical bore sight. Furthermore, variable reactive loading of spiral arm ends offers additional steering control and positioning of nulls in a 2D angular hemispherical space.
ChemInform Abstract: An Approach to the Synthesis of Novel Dihydroindoles Bearing Electron‐Withdrawing Groups at C‐2 Position. (2014)

Abstract 8 Title compounds of type (VI) are prepared.
Seeding for sirtuins: microseed matrix seeding to obtain crystals of human Sirt3 and Sirt2 suitable for soaking (2015)

Sirtuins constitute a family of NAD(+)-dependent enzymes that catalyse the cleavage of various acyl groups from the ℇ-amino group of lysines. They regulate a series of cellular processes and their misregulation has been implicated in various diseases, making sirtuins attractive drug targets. To date, only a few sirtuin modulators have been reported that are suitable for cellular research and their development has been hampered by a lack of structural information. In this work, microseed matrix seeding (MMS) was used to obtain crystals of human Sirt3 in its apo form and of human Sirt2 in complex with ADP ribose (ADPR). Crystal formation using MMS was predictable, less error-prone and yielded a higher number of crystals per drop than using conventional crystallization screening methods. The crystals were used to solve the crystal structures of apo Sirt3 and of Sirt2 in complex with ADPR at an improved resolution, as well as the crystal structures of Sirt2 in complex with ADPR and the indoles EX527 and CHIC35. These Sirt2-ADPR-indole complexes unexpectedly contain two indole molecules and provide novel insights into selective Sirt2 inhibition. The MMS approach for Sirt2 and Sirt3 may be used as the basis for structure-based optimization of Sirt2/3 inhibitors in the future.
Unified active power filters for source voltage unbalance/current harmonics compensation and power factor correction (2005)

This paper presents a unified control scheme for series-type active power filter combined with shunt passive filter to compensate the source voltage unbalance/current harmonics and to correct the power factor simultaneously. The phase angle and the reference voltage for unbalanced voltage/current harmonics compensation are derived from the positive voltage sequence component out of the unbalanced source voltage by using digital all-pass filters. The power factor compensation is achieved by controlling the amplitude of reactive power current in a series filter as zero in synchronously rotating reference frame. Finally, the unified controller output voltage is composed of source voltage unbalance/current harmonics compensation term and power factor correction term. Thus, the proposed algorithm successfully compensates the source voltage unbalance/current harmonics and the power factor. The validity of the proposed scheme has been verified for actual 3 kVA hybrid active power filter system.
Pentafluorostyrene: A valuable and flexible material design tool when mastered by ATRP (2014)

Pentafluorostyrene is an intriguing monomer and has turned out to be an indispensable tool in the architecture of various functional materials. The ATRP merits with pentafluorostyrene was revealed a decade ago and since then especially the lability of the para-fluorine of pentafluorostyrene has been exploited by the nucleophilic substitution methodology to create numerous other monomers. Two very recent applications have exploited short alkyne initiated poly(pentafluorostyrene)s. The first example is development of polyelectrolyte materials comparable to the industrial fuel cells standard Nafion®. Our solution to this polyelectrolyte challenge is the combination of a thermally and chemically very stable backbone PSU (Mn ∼40,000 Da), which is also an excellent film forming material, with poly(pentafluorostyrene) grafts that additionally ensures high thermal stability as a very promising scaffold for phophonates for polymer electrolyte membranes. This design idea was executed by use of CuAAC, where clickable azides were fabricated on the PSU (7 mol%) through lithiation chemistry at low temperature introducing first chloromethyl followed by conventional conversion of chloro groups to azides by sodium azide treatment. After clicking the two components together the poly(pentafluorostyrene) grafts were phosphonated. Graft copolymer (PSU-g-PhPFS) membranes could be cast that showed high thermal stability and proton conductivity. Soft silicone elastomers are materials in demand for actuators or energy production e.g. through wave harvesting. Functionality can be introduced to the commercially available silicone formulations by use of functional cross-linkers. In this particular case a short PFS-A was “clicked” to the cross-linker. A poly(pentafluorostyrene) enrichment of the surface of the cured silicone elastomer was observed by a water contact angle (WCA) of 116o as opposed to a plane silicone elastomer with a WCA of 108o. This is in contrast to other applied functionalities that was shown by confocal microscopy to be evenly distributed throughout the elastomer matrix.
Bombali Ebolavirus in Mops condylurus Bats (Molossidae), Mozambique (2022)

We detected Bombali ebolavirus RNA in 3 free-tailed bats (Mops condylurus, Molossidae) in Mozambique. Sequencing of the large protein gene revealed 98% identity with viruses previously detected in Sierra Leone, Kenya, and Guinea. Our findings further support the suspected role of Mops condylurus bats in maintaining Bombali ebolavirus.
Separation and characterization of polyethylene wear debris from synovial fluid and tissue samples of revised knee replacements (1997)

A study was made of in vivo-generated polyethylene wear particles as separated from synovial fluid samples and from tissue samples surrounding total knee arthroplasty. A comparison of particle size and morphology between the two particle groups was made to assess any effects of selective tissue capture, and macrophage encapsulation and digestion. In addition, a Raman spectroscopy technique was evaluated that enables positive identification of individual wear particles. The particles of the same size range found in the synovial fluid and tissue samples exhibited a comparable morphology. Notably, submicron-sized debris was present in both the synovial fluid and tissue samples surrounding knees with osteolysis. The novel micro-Raman analysis of individual particles was successful in the categorizing of wear debris as polyethylene or nonpolyethylene.
CaV3.2 T-type Ca2+channels in H2S-mediated hypoxic response of the carotid body (2014)

Arterial blood O2 levels are detected by specialized sensory organs called carotid bodies. Voltage-gated Ca(2+) channels (VGCCs) are important for carotid body O2 sensing. Given that T-type VGCCs contribute to nociceptive sensation, we hypothesized that they participate in carotid body O2 sensing. The rat carotid body expresses high levels of mRNA encoding the α1H-subunit, and α1H protein is localized to glomus cells, the primary O2-sensing cells in the chemoreceptor tissue, suggesting that CaV3.2 is the major T-type VGCC isoform expressed in the carotid body. Mibefradil and TTA-A2, selective blockers of the T-type VGCC, markedly attenuated elevation of hypoxia-evoked intracellular Ca(2+) concentration, secretion of catecholamines from glomus cells, and sensory excitation of the rat carotid body. Similar results were obtained in the carotid body and glomus cells from CaV3.2 knockout (Cacna1h(-/-)) mice. Since cystathionine-γ-lyase (CSE)-derived H2S is a critical mediator of the carotid body response to hypoxia, the role of T-type VGCCs in H2S-mediated O2 sensing was examined. Like hypoxia, NaHS, a H2S donor, increased intracellular Ca(2+) concentration and augmented carotid body sensory nerve activity in wild-type mice, and these effects were markedly attenuated in Cacna1h(-/-) mice. In wild-type mice, TTA-A2 markedly attenuated glomus cell and carotid body sensory nerve responses to hypoxia, and these effects were absent in CSE knockout mice. These results demonstrate that CaV3.2 T-type VGCCs contribute to the H2S-mediated carotid body response to hypoxia.
Measurement of Radial Dose Distributions Around Small Beta Particle Emitters Using High Resolution Radiochromic Foil Dosimetry (1993)

Journal Article Measurement of Radial Dose Distributions Around Small Beta Particle Emitters Using High Resolution Radiochromic Foil Dosimetry Get access C.G. Soares, C.G. Soares Search for other works by this author on: Oxford Academic PubMed Google Scholar W.L. McLaughlin W.L. McLaughlin Search for other works by this author on: Oxford Academic PubMed Google Scholar Radiation Protection Dosimetry, Volume 47, Issue 1-4, 1 May 1993, Pages 367–372, https://doi.org/10.1093/oxfordjournals.rpd.a081769 Published: 01 May 1993
The Credibility Crisis in IS: A Global Stakeholder Perspective. (2011)

The field of information systems (IS) faces a credibility crisis, which threatens its stature as a highly-respected academic discipline (Firth, King, Koch, Looney, Pavlou, and Trauth, 2011; Winter and Butler, 2011; among others). This article summarizes a panel discussion at the ICIS 2011 Conference, where a group of distinguished IS professors offered their unique perspectives on the challenges, origins, and solutions related to the global credibility crisis in IS. Using stakeholder theory as an organizing framework, the panel session identifies the key stakeholders influencing the credibility of the IS discipline, as well as the challenges and opportunities facing IS programs worldwide.
Separating the Laparoscopic Camera Cord From the Monopolar “Bovie” Cord Reduces Unintended Thermal Injury From Antenna Coupling (2015)

Separation of the laparoscopic camera cord from the active electrode cord decreases thermal injury from antenna coupling at the camera trocar incision in comparison to the parallel orientation of these cords. Therefore, parallel orientation of these cords (an arrangement promoted by integrated operating rooms) should be abandoned. The findings of this study should influence the operating room setup for all laparoscopic cases.
Effects of Dental Resins on TNF-α-induced ICAM-1 Expression in Endothelial Cells (2001)

Many reports have demonstrated inflammation after the placement of dental restorations. To explain this side-effect, we studied a biomarker in the inflammatory response. The intercellular adhesion molecule-1 (ICAM-1) is a key mediator for recruitment of leukocytes to the site of inflammation. Therefore, we investigated whether methacrylates (a BISGMA-based dental resin, BISGMA, and MAA) and Cyracure UVR 6105, an epoxy monomer, could alter ICAM-1 expression in unstimulated and TNF-alpha-stimulated endothelial cells. Six-well plates with monolayers of human umbilical vein cells, ECV 304 (ATCC CRL 1998), were exposed to TNF-alpha (1 ng/mL) in the presence and absence of subtoxic and TC50 doses of chemicals for 24 hrs at 37 degrees C/5% CO2. Several doses of TNF-alpha (0.5-2 ng/mL) were coincubated with 100 microL of undiluted aqueous dental resin extracts. Cells were harvested and stained with mAB FITC-conjugated anti-human ICAM-1 (CD54). ICAM-1 expression was measured by flow cytometry. Cells expressed basal levels of ICAM-1, which was up-regulated by TNF-alpha but was not changed by all samples studied. Except for UVR 6105, the methacrylates significantly decreased ICAM-1 expression in TNF-alpha-stimulated cells. These findings suggest that methacrylates may decrease the recruitment of leukocytes to sites of inflammation.
Hepatoprotective effect of Aloe vera against cartap‐ and malathion‐induced toxicity in Wistar rats (2019)

Exposure to mixture of pesticides in agricultural practices pose a serious threat to the nontarget animals. In present work, we have evaluated the synergistic effect of cartap and malathion on rat liver followed by impact of Aloe vera leaves aqueous extract, which is not known. The animals in eight groups were used; each containing six rats: Group 1 acted as a control, Group 2-control with A. vera leaves aqueous extract, Group 3-with cartap, Group 4-with malathion, Group 5-with mixture of cartap and malathion, Group 6-cartap with the pretreatment of A. vera leaf extract, Group 7-malathion with the pretreatment of A. vera leaf extract, Group 8-mixture of cartap and malathion with the pretreatment of A. vera leaf extract . The animals treated for 15 days were killed after 24hr of last treatment. The biochemical studies in the rat liver demonstrated significant perturbations in the levels of nonenzymatic (glutathione and malondialdehyde) and enzymatic (superoxide dismutase, catalase, and glutathione- S-transferase) antioxidative indices. The histopathological examination of liver revealed serious congestion in central vein and the disorganization of hepatic cords due to pesticide treatment. The administration of A. vera leaves aqueous extract was able to markedly protect rat liver from the pesticides-induced toxicity. The data indicated that pesticides were able to significantly induce oxidative stress which was substantially reduced by the application of plant extract .