gebhart/patrepeval huggingface dataset:
Thin film deposition behavior of lubricants as a function of temperature - Lubricant stability maps (1992)

The relative rates of evaporation and oxidative or thermal decomposition in lubricants are investigated experimentally at elevated temperatures. Thin films of lubricant are exposed to air at high temperatures, and attention is given to the amount of solid deposit rendered and the amount of evaporated material. The effects of volatility, oxidative stability, and thermal stability are assessed with the help of stability maps for liquid lubricants. The concept of fluid-stability maps based on deposit formation as a function of temperature is shown to be effective. At 200-425 C lubricant deposit formation in the presence of air is a function of lubricant volatility, oxidation rate, the rate of thermal degradation, and the effect of the bearing surface. Some materials are listed that can mitigate the effects of oxidation on lubricant performance which can be used for a range of aerospace applications. 16 refs.
ChemDemos II Videodisc: Abstract of Special Issue 14 (1996)

ChemDemos II is a laser videodisc that includes 39 demonstrations suitable for use in introductory chemistry classes either at the high school or college level. As in the original ChemDemos Videodisc the emphasis is on the chemistry, with most demos shown close up, full screen.
Complications and Untoward Effects of the Tension-Free Vaginal Tape Procedure (2003)

In Brief OBJECTIVE To report our experience with our first 350 cases of tension-free vaginal tape (TVT), specifically assessing intraoperative complications, postoperative morbidity, and untoward effects of the procedure. METHODS Although increased numbers of reports have documented the efficacy of the TVT procedure, there are minimal data about the incidence of complications and how they are managed. We performed a retrospective review of all patients undergoing the TVT procedure over a 4-year period to report intraoperative complications (bladder perforation and excessive bleeding), postoperative complications (de novo urge incontinence, voiding dysfunction, erosion, nerve injury, urinary retention, hematoma formation), and incidence of reoperation either for voiding dysfunction or for recurrent incontinence. RESULTS A total of 350 patients were included in the study. Fifty-five percent (194) of women underwent the TVT procedure in conjunction with other vaginal surgery, and 45% (156) underwent the TVT alone. Seventy women (20%) had previous antiincontinence surgery. Intraoperative complications included 19 bladder perforations in 17 patients (4.9%) and three cases of significant bleeding (0.9%). Postoperatively, 17 women (4.9%) had voiding dysfunction and 42 (12%) required anticholinergic therapy beyond 6 weeks. Recurrent urinary tract infections developed in 38 (10.9%), erosion or poor healing in three (0.9%), hematoma in six (1.7%), and nerve injury in three (0.9%). Twenty-eight (8%) underwent urethral dilation in the postoperative period for varied amounts of voiding dysfunction. Of these, 82% were either improved or were cured. Six women (1.7%) underwent a takedown of the TVT procedure for continued voiding dysfunction, and two of these (33%) developed recurrent stress incontinence. To date, two patients (0.5%) have undergone another procedure for recurrent or persistent stress incontinence. CONCLUSION The TVT procedure is efficacious for the correction of stress incontinence. Our data show that it is a safe procedure with an acceptable complication rate when performed by surgeons who have experience with retropubic and transvaginal antiincontinence procedures. The tension-free vaginal tape procedure has an acceptable complication rate.
Microstructure Refinement of Structural Steel in China (2003)

In Oct. 1998 Chinese government opened national program: “Fundamental Research on New Generation of Iron and Steel Materials in China” (N.G. Steels). The progress of on-going project has been briefly reported in this paper. In order to get microstructure refinement in structural steels, the following 5 ways have been studied:For Ferrite+Pearlite microstructure in plain carbon steels and low-alloy steels, (1) Purified steel-making→Fully equiaxed continuous casting→Rough-mill with higher Zener-Hollman parameter (γ-DRX refinement)→Finishing-mill rolling by Deformation Induce Ferrite Transformation (DIFT) technology.(2) For thin-slab continuous casting and rolling (CSP) process, ultra-fine sulfides (20-60 nm) and oxides (5-20nm) controlling technology.(3) For Low Carbon Bainite (and Ultra Low Carbon Bainite) microstructure (LCB/ULCB) in microalloyed steels, combination of Deformation Induced Precipitation (DIP) and subsequent middle temperature phase transformation controlling.For quench-temperated martensite microstructure in alloy structural steels:(4) Ultra-fine γ grains by innovated heat treatment and alloy design;(5) Carbide-free bainite/martensite microstructure with retained γ films along lath/sub-lath boundaries.
Person Reidentification via Structural Deep Metric Learning (2018)

Despite the promising progress made in recent years, person reidentification (re-ID) remains a challenging task due to the complex variations in human appearances from different camera views. This paper proposes to tackle this task by jointly learning feature representation and distance metric in an end-to-end manner. Existing deep metric learning-based re-ID methods usually encounter the following two weaknesses: 1) most works based on pairwise or triplet constraints often suffer from slow convergence and poor local optima, partially because they use very limited samples for each update and 2) hard negative sample mining has been widely applied in existing works. However, hard positive samples, which also contribute to the training of network, have not received enough attention. To alleviate these problems, we develop a novel structural metric learning objective for person re-ID, in which each positive pair is allowed to be compared against all negative pairs in a minibatch and each positive pair is adaptively assigned a hardness-aware weight to modulate its contribution. The introduced positive pair weighting strategy enables the algorithm to focus more on the hard positive samples. Furthermore, we propose to enhance the proposed loss function by adding a global loss term to reduce the variances of positive/negative pair distances, which is able to improve the generalization capability of the network model. By this approach, person images can be nonlinearly mapped into a low-dimensional embedding space where similar samples are kept closer and dissimilar samples are pushed farther apart. We implement the proposed algorithm using the inception architecture and evaluate it on three large-scale re-ID data sets. Experiment results demonstrate that our approach is able to outperform most state of the arts while using much lower dimensional deep features.
Raman conversion of femtosecond laser pulses in crystals (2012)

The processes of transient Raman generation and Raman amplification in KGd(WO4)2 (KGW) crystals pumped by laser pulses with the width of about 150 fs were studied experimentally. For excitation, Bessel beams were used. Gaussian beams of Stokes and laser radiation were used at amplification stage. Raman shifts of 768 or 901 cm-1 were obtained depending on orientation of KGW crystals. For optimal conditions the gain was more than 100. The conversion efficiency of amplifying (pump) radiation into amplified Stokes radiation reached 50 %.
Supplementary Figures S1-S7 from Effectors Enabling Adaptation to Mitochondrial Complex I Loss in Hürthle Cell Carcinoma (2023)

&lt;p&gt;Supplementary Figure 1: Mitochondrial and nuclear DNA alterations in an HCC cohort. Related to Figure 1. Supplementary Figure 2: Transcriptomic landscape of HCC. Related to Figure 2. Supplementary Figure 3: Metabolic signatures of HCC. Related to Figure 3. Supplementary Figure 4: Authentic models of HCC. Related to Figure 4. Supplementary Figure 5: CRISPR screen identifies vulnerability to GPX4 loss in HCC. Related to Figure 5. Supplementary Figure 6: NCI-HCC xenografts are sensitive to ferroptosis. Related to Figure 6. Supplementary Figure 7: Differential effects of OXPHOS inhibition on ferroptosis. Related to Figure 7.&lt;/p&gt;
High doses of gonadotrophin-releasing hormone antagonist in in-vitro fertilization cycles do not adversely affect the outcome of subsequent freeze–thaw cycles (1999)

The clinical application of gonadotrophin-releasing hormone (GnRH) antagonists instead of GnRH agonists, to prevent spontaneous premature luteinizing hormone surge during ovarian stimulation for assisted reproduction treatment has been advocated. A recent, double-blind, dose-finding study, including six dosages of the GnRH antagonist ganirelix, in women undergoing ovarian stimulation with recombinant follicle stimulating hormone (FSH), has indicated that high doses of GnRH antagonist (1 or 2 mg once daily) are associated with a low implantation rate. This follow-up study reports on the pregnancy rate after replacement of cryopreserved embryos obtained in stimulation cycles of the above-mentioned trial. Ovarian stimulation was initiated on day 2 of the cycle, with daily injections of 150 IU recombinant FSH. Ganirelix (0.0625, 0.125, 0.25, 0.5, 1.0 or 2.0 mg) was administered once daily from stimulation day 6 onwards, up to and including the day of human chorionic gonadotrophin. Retrieved oocytes were fertilized by in-vitro fertilization (IVF) or intracytoplasmic sperm injection and a maximum of three fresh embryos was transferred. Excess embryos were frozen, and subsequently used in either natural or programmed cycles. Until June 1998, 11 ongoing pregnancies (12-16 weeks after embryo transfer) were achieved from 46 cycles in which embryos had been first frozen (23.9% per transfer). Six of these 11 patients had been treated with a high dose of ganirelix (1.0 or 2.0 mg) during the IVF cycles in which the embryos were obtained. In conclusion, our data suggest that high dosages of ganirelix do not adversely affect the potential of embryos to establish clinical pregnancy in freeze-thaw cycles.
Anti-HS Layer for Flexible Pipe: Full Scale Flowline Qualification Tests (2015)

Abstract For more than 40 years, flexible pipes have been used for subsea oil and gas transportation. One of the main benefits of this technology is that, through an unbounded assembly of steel and polymer layers, the load bearing layers of the pipes are not in direct contact with the transported fluid and the corrosive components such as hydrogen sulphide (H2S). However, over a long period of time, small quantities of gas, including H2S, are able to permeate through the polymer pressure sheath and reach the metallic structural layers. To avoid this, a new polymer layer able to completely prevent H2S from reaching the annulus has been developed. This layer is called the anti-H2S layer. As part of the qualification program, an H2S exposure full scale test was performed. A flexible pipe structure with an anti-H2S layer was tested in harsh conditions, continuously exposed to gas containing methane mixed with 1.5% H2S and 5% CO2 at 200 bar (2902 psi) and 80°C (176°F) for 600 days. Several successful integrity tests were performed along the qualification program. After the H2S exposure test, the full scale prototype underwent a hydrostatic pressure test. Pipe dissection and laboratory material characterization were then performed to confirm the efficiency of the anti-H2S layer. The positive result obtained in the long term H2S exposure full scale test and qualification program demonstrate the efficiency of the anti-H2S layer. The use of the anti-H2S layer concept creates new opportunities in terms of flexible pipe design, especially for ultra deep water and very sour fluid transportation.
Les techniques physiques d'étude des catalyseurs (1988)

Sommaire : Chap.1 : Introduction. Chap.2 : Spectroscopie infrarouge. Chap.3 : Spectroscopie Raman. Chap.4 : Spectroscopie photoacoustique. Chap.5 : Spectroscopie electronique UV-visible. Chap.6 : La resonance magnetique en catalyse homogene et heterogene. Chap.7 : La resonance paramagnetique electronique et ses applications a la catalyse. Chap.8 : Resonance ferromagnetique. Chap.9 : La spectroscopie Mossbauer ou la resonance gamma nucleaire (RGN). Chap.10 : La spectroscopie de photoelectrons (XPS et UPS) : application a l'etude des catalyseurs. Chap.11 : La spectroscopie de photoelectrons a distribution angulaire. Chap.12 : La spectroscopie des electrons Auger par impact electronique. Chap.13 : La spectroscopie des vibrations de surface par reflexion inelastique d'electrons. Chap.14 : Spectrometrie de masse des ions secondaires. Chap.15 : Spectroscopie de retrodiffusion ionique. Chap.16 : Application de la diffusion des neutrons a l'etude des surfaces et a la catalyse. Chap.17 : Etude des phases actives par EXAFS. Chap.18 : Determination de la structure atomique des catalyseurs solides par diffraction des rayons x. Chap.19 : Diffusion des rayons x aux petits angles. Chap.20 : Caracterisation des catalyseurs par microscopie electronique, conventionnelle et analytique, a haute resolution. Chap.21 : La microscopie a emission d'ions. Chap.22 : Applications des mesures de conductivite electrique a la catalyse. Chap.23 : Magnetisme et catalyse. Chap.24 : Methodes thermiques : calorimetrie, analyse thermique differentielle, thermogravimetrie.
Figure S2 from An Orally Available Tubulin Inhibitor, VERU-111, Suppresses Triple-Negative Breast Cancer Tumor Growth and Metastasis and Bypasses Taxane Resistance (2023)

&lt;p&gt;Figure S2 shows that images of the effects of VERU-111, paclitaxel and colchicine on inhibition of TNBC cell wound healing at a concentration of 16 nM. Representative images show that VERU-111 inhibits wound closure in MDA-MB-231 (upper panel) and MDA-MB-468 cells (lower panel).&lt;/p&gt;
Selection and characterization of mutant S49 T‐lymphoma cell lines resistant to phosphonoformic acid: Evidence for inhibition of ribonucleotide reductase (1986)

Phosphonoformic acid (PFA) and its congener phosphonoacetic acid (PAA) are inhibitors of viral replication whose mechanism of action appears to be the inhibition of viral DNA polymerase. These drugs inhibit mammalian DNA polymerase to a lesser extent. We sought to characterize the effects of phonoformic acid on mammalian cells by examining mutants of S49 cells (a mouse T-lymphoma line), which were selected by virtue of their resistance to phosphonoformic acid. The 11 mutant lines that were resistant to growth inhibition by 3 mM PFA had a range of growth rates, cell cycle distribution abnormalities, and resistance to the inhibitory effects of thymidine, acycloguanosine (acyclovir), aphidicolin, deoxyadenosine, and novobiocin. Most mutant lines had pools of ribonucleoside triphosphates and deoxyribonucleoside triphosphates similar to those of wild-type S49 cells. However, one line (PFA 3-9) had a greatly elevated dCTP pool. When this mutant line was further characterized, no apparent defect in DNA polymerase alpha activity was seen, but an increased ribonucleotide reductase activity, as assayed by CDP reduction in permeabilized cells, was observed. The CDP reductase activity in the PFA 3-9 cells decreased to wild-type control levels, and the CDP reductase activity of wild-type cells was also greatly reduced when PFA (2-3 mM) was added to permeabilized cells during the enzyme assay. These results demonstrate that PFA can directly inhibit ribonucleotide reductase activity in permeabilized cells. In addition, when PFA was added to exponentially growing cultures of either wild-type or PFA 3-9 mutant cells, the drug caused an arrest in S phase of the cell cycle and a decrease in all four deoxyribonucleotide pools, with the most dramatic decrease in the dCTP pools. The reduction in the dCTP pool level could be reversed by addition of exogenous deoxycytidine, but this reversed PFA toxicity only marginally. These observations suggest that PFA is an inhibitor of mammalian ribonucleotide reductase and that partial resistance to PFA can be effected by mutation to increased CDP reductase activity resulting in a large dCTP pool. This mutation results in less than twofold resistance to PFA, suggesting that other sites of inhibition coexist.
Diisopinocampheylborane‐Mediated Reductive Aldol Reactions: Highly Enantio‐ and Diastereoselective Synthesis of syn Aldols from N‐Acryloylmorpholine (2013)

Eine preiswerte Synthese von syn-Propionamidaldolen wurde entwickelt. Die Synthese beginnt mit der Bildung des Z-Enolborinats durch Hydroborierung von 4-Acryloylmorpholin mit Diisopinocampheylboran ((Ipc)2BH), an die sich eine Aldolreaktion mit einem achiralen oder chiralen Aldehyd zur Bildung von syn-α-Methyl-β-hydroxymorpholincarboxamiden mit exzellenter Enantio- und Diastereoselektivität anschließt (siehe Schema; R=Alkyl, Alkenyl, Aryl, Heteroaryl). As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Hardware Performance Counter-Based Fine-Grained Malware Detection (2020)

Detection of malicious programs using hardware-based features has gained prominence recently. The tamper-resistant hardware metrics prove to be a better security feature than the high-level software metrics, which can be easily obfuscated. Hardware Performance Counters (HPC), which are inbuilt in most of the recent processors, are often the choice of researchers amongst hardware metrics. However, a lack of determinism in their counts, thereby affecting the malware detection rate, minimizes the advantages of HPCs. To overcome this problem, in our work, we propose a three-step methodology for fine-grained malware detection. In the first step, we extract the HPCs of each system call of an unknown program. Later, we make a dimensionality reduction of the fine-grained data to identify the components that have maximum variance. Finally, we use a machine learning based approach to classify the nature of the unknown program into benign or malicious. Our proposed methodology has obtained a 98.4% detection rate, with a 3.1% false positive. It has improved the detection rate significantly when compared to other recent works in hardware-based anomaly detection.
Role of Fractalkine/CX3CL1 and Its Receptor in the Pathogenesis of Inflammatory and Malignant Diseases with Emphasis on B Cell Malignancies (2014)

Fractalkine/CX3CL1, the only member of the CX3C chemokine family, exists as a membrane-anchored molecule as well as in soluble form, each mediating different biological activities. It is constitutively expressed in many hematopoietic and nonhematopoietic tissues such as endothelial and epithelial cells, lymphocytes, neurons, microglial osteoblasts. The biological activities of CX3CL1 are mediated by CX3CR1, that is expressed on different cell types such as NK cells, CD14(+) monocytes, cytotoxic effector T cells, B cells, neurons, microglia, smooth muscle cells, and tumor cells. The CX3CL1/CX3CR1 axis is involved in the pathogenesis of several inflammatory cancer including various B cell malignancies. In tumors the interaction between cancer cells and cellular microenvironment creates a context that may promote tumor growth, increase tumor survival, and facilitate metastasis. Therefore the role of the CX3CL1/CX3CR1 has attracted interest as to the development of potential therapeutic approaches. Here we review the different effects of the CX3CL1/CX3CR1 axis in several inflammatory and neurodegenerative diseases and in cancer, with emphasis on human B cell lymphomas.
Tailoring of defect levels by deformations: Te-antisite in CdTe (2013)

The properties of the Te-antisite defect in the neutral state in CdTe were examined using ab initio calculations. The influence of three types of deformations (1D, 2D and 3D) on the defect energy levels and formation energies was investigated. It was found that the 2D deformation is the most effective for pushing the defect levels towards the band edges and opening up the bandgap of the semiconductor, and hence may improve the performance of CdTe as a detector material. We studied the defect levels and their occupancies including Jahn-Teller distortions. The Jahn-Teller distorted configuration places the 2A1(a) defect level closer to the valence band and this defect level position coincides with the 'unknown deep donor' measured in some experiments. Partial densities of states and band structures have been analysed to understand the arrangement of the defect bonds.
Design of plant intelligent lighting control system based on LED light source (2022)

With the development of agricultural production, plants have a higher and higher demand for light. This paper introduces an intelligent lighting control system of three primary color LED based on single chip microcomputer, sensor and GPRS Remote control technology. According to the operator's understanding of the lighting needs of plant growth, the working conditions of the system are controlled on demand to meet the lighting needs of plants, so as to avoid the problem of insufficient or excessive lighting of different plants in different growth stages and different regions. In addition, it has the characteristics of systematic, pollution-free and accurate utilization of resources. The results show that the system realizes the remote manual management and the query function of light intensity, system temperature and humidity.
Correction. Conversion of 2-Halo-N-allylanilines in Indoles via Palladium(0) Oxidative Addition-Insertion Reactions (1981)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCorrection. Conversion of 2-Halo-N-allylanilines in Indoles via Palladium(0) Oxidative Addition-Insertion ReactionsRoy Odle, Burke Blevins, Matt Ratcliff, and Louis HegedusCite this: J. Org. Chem. 1981, 46, 12, 2603Publication Date (Print):June 1, 1981Publication History Published online1 May 2003Published inissue 1 June 1981https://pubs.acs.org/doi/10.1021/jo00325a606https://doi.org/10.1021/jo00325a606research-articleACS PublicationsRequest reuse permissionsArticle Views37Altmetric-Citations-LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts