gebhart/patrepeval huggingface dataset:
An Efficient Car Management System based on an Object-Oriented Modeling using Car Number Recognition and Smart Phone (2012)

In this paper, we propose an efficient car management system based on object-oriented modeling using car number recognition and smart phone. The proposed system perceives car number of repair vehicle after recognizing the licence plate using an IP camera in real time. And then, existing repair history information of the recognized car is be displayed in DID. In addition, maintenance process is shooting video while auto maintenance mechanic repairs car through IP-camera. That will be provide customer car identification and repairs history management function by sending key frames extracted from recorded video automatically. We provide user graphic interface based on web and mobile for your convenience. The module design of the proposed system apply software design modeling based on granular object-oriented considering reuse and extensibility after implementation. Car repairs center and maintenance companies can improve business efficiency, as well as the requested vehicle repair can increase customer confidence.
Anorganische Materialien mit offenen Gerüsten (1999)

Die alumosilicatischen Zeolithe wie UTD-1 (siehe Bild) bilden eine bemerkenswerte Familie nanoporöser anorganischer Materialien, die in der Katalyse, in Trennverfahren und als Ionenaustauscher angewendet werden. Während des letzten Jahrzehnts wurden mehr und mehr neue Materialien mit offenen Gerüsten hergestellt. Diese basieren z. B. auf Phosphaten, Sulfiden, Halogeniden, Nitriden und Koordinationsverbindungen. Es wird eine Übersicht über die Synthesen, die Strukturen und die Eigenschaften dieser bemerkenswerten Klasse von Materialien gegeben.
A microsponge formulation of hydroquinone 4% and retinol 0.15% in the treatment of melasma and postinflammatory hyperpigmentation. (2004)

Disorders of hyperpigmentation such as melasma and postinflammatory hyperpigmentation (PIH) are common, particularly among people with darker skin types. Hydroquinone (HQ) bleaching creams are considered the gold standard for treating hyperpigmentation. Recently, a new formulation of HQ 4% with retinol 0.15% entrapped in microsponge reservoirs was developed for the treatment of melasma and PIH. Microsponges were used to release HQ gradually to prolong exposure to treatment and to minimize skin irritation. The safety and efficacy of this product were evaluated in a 12-week open-label study. A total of 28 patients were enrolled, and 25 completed the study. Study end points included disease severity, pigmentation intensity, lesion area, and colorimetry assessments. Adverse events also were recorded. Patients applied the microentrapped HQ 4% formulation to the full face twice daily (morning and evening). A broad-spectrum sunscreen was applied once in the morning, 15 minutes after application of the test product. Patients were evaluated at baseline and at 4, 8, and 12 weeks. The microentrapped HQ 4%/retinol 0.15% formulation produced improvement at all study end points. Improvement in disease severity and pigmentation intensity was statistically significant at weeks 4, 8, and 12 compared with baseline (P<.001). Lesion area and colorimetry measurements also were significantly improved at each visit (P<.001). Microentrapped HQ 4% was well tolerated, with only one patient discontinuing because of an allergic reaction, which was not considered serious. In this open-label study, microentrapped HQ 4% with retinol 0.15% was safe and effective.
Model Predictive Control Tuning by Inverse Matching for a Wave Energy Converter (2019)

This paper investigates the application of a method to find the cost function or the weight matrices to be used in model predictive control (MPC) such that the MPC has the same performance as a predesigned linear controller in state-feedback form when constraints are not active. This is potentially useful when a successful linear controller already exists and it is necessary to incorporate the constraint-handling capabilities of MPC. This is the case for a wave energy converter (WEC), where the maximum power transfer law is well-understood. In addition to solutions based on numerical optimization, a simple analytical solution is also derived for cases with a short prediction horizon. These methods are applied for the control of an empirically-based WEC model. The results show that the MPC can be successfully tuned to follow an existing linear control law and to comply with both input and state constraints, such as actuator force and actuator stroke.
The Granulocytic Chalone – A Specific Inhibitor of Granulopoiesis: Molecular Weight and Chemical Nature (1977)

Chalones specifically inhibit cell rpoliferation not only in their respective normal cell system, but also in the malignant descendants of these cells. Consequently, a number of hypotheses have been put forward as to how chalones could be used in cancer treatment or related areas. As chalones are not cytotoxic themselves, but merely inhibit proliferation, the regression of tumors which have been observed in some cases must have been caused by other mechanisms, not directly related to the increased chalone level. Some of the potential advantages and drawbacks of this direct approach will be discussed. Some models in which chalones serve as adjuncts to other forms of therapy will be discussed. The experimental testing of these procedures and hypothesis is hampered severly by the unavailability of satisfactory chalone preparations. A possible approach to overcome this by using synthetic granulocytic (and possibly other) chalone(s) is discussed in detail.
Optimizing Access Point selection in Wireless Local Area Networks (2011)

Due to the rapid and independent developments of systems, heterogeneity has become a common feature of current networks. In order to harmonize two different networks and close the gap between their technologies, we need to develop a good mechanism for network selection, and access that best satisfy user requirements. Many public areas (collages, airports, hotels…etc) have different systems for providing internet access. However, wireless APs (Access Points) is widely used for associating users with the core network. Network selection mechanisms are of premium importance in ensuring the desired quality of service and moving towards harmonization among heterogeneous networks. This paper investigates an effective and efficient scheme that allows mobile terminals dynamically to select the most appropriate network path according to user preferences such as: cost, speed, quality, and capacity.
Reversible Photocontrol of Deoxyribozyme‐Catalyzed RNA Cleavage under Multiple‐Turnover Conditions (2006)

Lights, camera, action! Photoswitchable nucleoside analogues containing o-, m-, or p-azobenzenes can be inserted in the catalytic core of RNA-cleaving 10–23 deoxyribozymes by replacing a nonconserved residue (see picture). Irradiation of the modified deoxyribozymes at 366 nm enhances RNA cleavage rates up to ninefold, thus achieving the rates observed for the unmodified deoxyribozyme. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2006/z600164_s.pdf or from the author. 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.
20.6 Electromagnetic vibration energy harvester interface IC with conduction-angle-controlled maximum-power-point tracking and harvesting efficiencies of up to 90% (2015)

An electromagnetic vibration energy harvester (EMH) is an electromechanical mass-spring-damper system transducing electrical energy out of ambient vibrations. Resistive load matching [1] as well as maximum power point (MPP) AC-DC conversion [2] are highly suitable techniques for enhancing the electrical energy output of an EMH. The presented interface IC (Fig. 20.6.1) enables MPP AC-DC conversion by tracking the optimum conduction angle and by employing a hysteretic input voltage controlled inductive DC-DC boost converter. All control signals are derived from the harvester voltage itself. Thus, no additional sensor, harvester disconnection, or DC-DC converter duty-cycle control are needed. Additionally, the implemented voltage conditioning provides over-voltage protection (OVP) and application voltage regulation (VR).
Development and Clinical Evaluation of a Highly Sensitive DNA Microarray for Detection and Genotyping of Human Papillomaviruses (2004)

Human papillomavirus (HPV) has been found in cervical cancer, tonsillar cancer, and certain types of head and neck cancers. We report on a DNA microarray-based method for the simultaneous detection and typing of HPVs. The genotype spectrum discriminated by this HPV DNA microarray includes 15 high-risk HPV genotypes and 12 low-risk HPV genotypes. The HPV DNA microarray showed high degrees of specificity and reproducibility. We evaluated the performance of the HPV DNA microarray by application to three HPV-positive cell lines (HeLa, Caski, and SiHa cells) and two HPV-negative cell lines (C33A and A549 cells). The HPV DNA microarray successfully identified the known types of HPV present in the cell lines. The detection limit of the HPV DNA microarray was at least 100-fold higher than that of PCR. To assess the clinical applicability of the HPV DNA microarray, we performed the HPV genotyping assay with 73 nonmalignant and malignant samples from 39 tonsillar cancer patients. Twenty-five of the 39 (64.1%) malignant samples were positive for HPV, whereas 3 of 34 (8.8%) nonmalignant samples were positive for HPV. This result shows a preferential association of HPV with tonsillar carcinomas. The correlations of the presence of HPV with the grade of differentiation and risk factors were not significant. Our data show that the HPV DNA microarray may be useful for the diagnosis and typing of HPV in large-scale epidemiological studies.
Pulsating torque minimization techniques for permanent magnet AC motor drives-a review (1996)

Permanent magnet AC (PMAC) motor drives are finding expanded use in high-performance applications where torque smoothness is essential. This paper reviews a wide range of motor- and controller-based design techniques that have been described in the literature for minimizing the generation of cogging and ripple torques in both sinusoidal and trapezoidal PMAC motor drives. Sinusoidal PMAC drives generally show the greatest potential for pulsating torque minimization using well-known motor design techniques such as skewing and fractional slot pitch windings. In contrast, trapezoidal PMAC drives pose more difficult trade-offs in both the motor and controller design which may require compromises in drive simplicity: and cost to improve torque smoothness. Controller-based techniques for minimizing pulsating torque typically involve the use of active cancellation algorithms which depend on either accurate tuning or adaptive control schemes for effectiveness. In the end, successful suppression of pulsating torque ultimately relies on an orchestrated systems approach to all aspects of the PMAC machine and controller design which often requires a carefully selected combination of minimization techniques.
Synthesis and Pharmacological Evaluation of Pyrazoline and Pyrimidine Analogs of Combretastatin-A4 as Anticancer, Anti-inflammatory and Antioxidant Agents (2018)

A library of 3,5-diaryl-1-carbothioamide-pyrazoline (5a-j), N 1 -phenyl sulfonyl pyrazoline (6a-e) and pyrimidine (7a) analogs of combretastatin-A4 were synthesized and evaluated for their in vitro anticancer, anti-inflammatory and antioxidant activity. Results of in vitro assay against human breast cancer cell line (MCF-7) showed several compounds endowed with significant cytotoxicity compared to the adriamycin, a standard anticancer drug. Among the compounds synthesized, 7a was found to possess significant antiproliferative activity (GI50 < 0.1 M) against the MCF-7 cell line as good as adriamycin (GI50 < 0.1 M) whereas, compounds 6c, 5j and 5g also displayed good cytotoxicity (GI50 = 25.3-42.6 M). Besides this, most active compound 7a was also evaluated against human myeloid leukemia cell line K562 and the remarkable result was obtained with GI50 < 0.1 M, comparable to that of adriamycin (GI50 < 0.1 M). In addition, all the synthesized compounds were evaluated for their anti-inflammatory and antioxidant activity. The percent inhibition studies revealed that most of the compounds were found to possess substantial anti-inflammatory and antioxidant activities.
Time-dependent inhibition of tuberculin-induced lymphocyte DNA synthesis by a serine protease inhibitor. (1981)

Diisopropylfluorophosphate (DFP), a group-specific irreversible inhibitor of serine proteases, has been shown to exert time-dependent inhibition of DNA synthesis of lymphocytes stimulated by three different B lymphocyte mitogens: purified protein derivative of tuberculin (PPD), endotoxin protein (EP), and lipopolysaccharide (LPS). The time-dependent inhibition profile found in B lymphocytes is absent in concanavalin A (Con A)-stimulated T lymphocytes. Structural analogs of DFP, which have lost the phosphorylating ability, are not inhibitory. Inhibition of DNA synthesis by DFP is reversible in the first 8 hr of mitogenic stimulation. Maximal and irreversible inhibition by DFP occurs around the 16th hour of stimulation. These data support the postulate that a mitogenesis-linked protease, or proteases, in B lymphocytes is absent in the resting cells but is made available several hours before the initiation of DNA synthesis in the late G1 phase of the cell cycle.
Novel photopolymer system and its application to color hologram (1993)

We present a new type of photopolymer system for recording reflection holograms. The photopolymer system using radical and cationic photopolymerization controlled by the wavelength of light gives us enhanced diffraction efficiencies and a balanced recording sensitivity (20 approximately 60 mJ/cm<SUP>2</SUP>) in the blue to red region of the spectrum. In color hologram recordings, diffraction efficiencies of around 60% are obtained when using a photopolymer film composed of different spectral-sensitive photopolymer layers.
DAGs with NO TEARS: Continuous Optimization for Structure Learning (2018)

Estimating the structure of directed acyclic graphs (DAGs, also known as Bayesian networks) is a challenging problem since the search space of DAGs is combinatorial and scales superexponentially with the number of nodes. Existing approaches rely on various local heuristics for enforcing the acyclicity constraint. In this paper, we introduce a fundamentally different strategy: We formulate the structure learning problem as a purely \emph{continuous} optimization problem over real matrices that avoids this combinatorial constraint entirely. This is achieved by a novel characterization of acyclicity that is not only smooth but also exact. The resulting problem can be efficiently solved by standard numerical algorithms, which also makes implementation effortless. The proposed method outperforms existing ones, without imposing any structural assumptions on the graph such as bounded treewidth or in-degree. Code implementing the proposed algorithm is open-source and publicly available at https://github.com/xunzheng/notears.
Cognitive Performance of Children Prenatally Exposed to “Safe” Levels of Methylmercury (1998)

Within a cohort of 1022 consecutive singleton births in the Faroe Islands, we assessed prenatal methylmercury exposure from the maternal hair mercury concentration. At approximately 7 years of age, 917 of the children underwent detailed neurobehavioral examination. Little risk is thought to occur as long as the hair mercury concentration in pregnant women is kept below 10-20 microg/g (50-100 nmol/l). A case group of 112 children whose mothers had a hair mercury concentration of 10-20 microg/g was therefore matched to children with exposure below 3 microg/g, using age, sex, time of examination, and the mother's score on Raven's Progressive Matrices as matching criteria. The two groups were almost identical with regard to other factors that might affect neurobehavioral performance in this community. On six neuropsychological test measures, the case group showed mild decrements, relative to controls, especially in the domains of motor function, language, and memory. Subtle effects on brain function therefore seem to be detectable at prenatal methylmercury exposure levels currently considered to be safe.
Suppression of Capillary Instability of a Polymeric Thread via Parallel Plate Confinement (2003)

We investigate the stability of a polymer thread imbedded in a matrix that is confined between two parallel plates. Utilizing a combination of experiments, numerical simulations (lattice−Boltzmann), and surface area calculations, we find substantial deviations from the classical results when the diameter of the thread (D0) is comparable to the height (H) of the matrix. We find three regimes as a function of H/D0: For H/D0≳ 3, the thread breaks up into droplets through a finite wavelength axisymmetric capillary instability as described by Rayleigh and Tomotika. For 1.3 ≲ H/D0 ≲ 3, the effects of the confinement are felt; the shape becomes nonaxisymmetric, the early-stage growth rate decreases, and the wavelength increases. For sufficiently low H/D0, we observe that the thread is stable with respect to the capillary instability over the experimental time scales. The simulations qualitatively agree with the experiments and reveal that while the shape of the growing bulges is nonaxisymmetic, the narrowing necks are circular. A simple surface area consideration then shows that as the wall-induced asymmetry of the fluctuation increases, the minimally unstable wavelength increases and eventually diverges.
Thin Film Optical Sensors Employing Polyelectrolyte Assembly (2000)

This work describes the development of thin film optical sensors for pH, metal ions (ferric and mercury), and 2,4-dinitrotoluene detection. To fabricate the pH sensor, a fluorescent molecule, 1-hydroxypyren-3,6,8-trisulfonate, was assembled with a polycation by an electrostatic layer-by-layer assembly technique. The fluorescent indicator molecule exhibits distinct and well-defined emission peaks for protonated and deprotonated forms. The relative peak positions and intensity of fluorescence of the protonated and deprotonated forms change in response to pH variations. For metal ion (ferric and mercury) and 2,4-dinitrotoluene sensing, the indicator molecules were covalently incorporated into poly(acrylic acid) and subsequently assembled with a polycation employing electrostatic layer-by-layer assembly. The sensor is based on the fluorescence quenching of indicator molecules by electron transfer from indicator to electron-deficient analytes such as ferric ions, mercury, and 2,4-dinitrotoluene. Fluorescence intensities decreased with increasing concentration of analytes. Quenching behavior follows Stern−Volmer bimolecular quenching kinetics. Linear increase in absorbance, film thickness, and emission intensity was observed as a function of number of bilayers deposited in all these films.
Unsupervised Anomaly Detection in Unstructured Log-Data for Root-Cause-Analysis (2015)

Anomaly detection has attracted the attention of researchers from a variety of backgrounds as it finds numerous applications in the industry. As a subfield, fault detection plays a crucial role in growing telecommunications networks since failures lead to dissatisfaction and hence financial drawbacks. It aims at identifying unusual events in the system log files. System logs are messages from the elements of the network to highlight their status. The main challenge is to cope with the rate the data volume grows. Traditional methods such as expert systems are no longer practical making machine learning approaches more valuable.\nIn this thesis work, unsupervised anomaly (fault) detection in unstructured system logs is investigated. The effect of various feature extraction methods are investigated in terms of the gain they provide. Also, the baseline dimensionality reduction method Principal Component Analysis (PCA) and its effects are given. Additionally, autoencoders are studied as an alternative dimensionality reduction technique. Four different methods based on statistics and clustering as well as a framework to clean datasets from anomalies are discussed. A high detection (classification) rate with 99:69% precision and 0:07% false alarm rate are achieved in one of the datasets while similar results have been achieved with variations in the recall in the other dataset. The studies show that the dimensionality reduction can greatly improve the performance of the classifiers used and reduce the computational complexity in anomaly detection.
Next Generation Refrigerants: Standards and Climate Policy Implications of Engineering Constraints (2010)

There is no single perfect refrigerant for diverse air conditioning, refrigeration, and industrial applications. The predominant halocarbons (CFCs, HCFCs, and HFCs) combine excellent efficiency and safety with acceptable costs. However, they contribute to ozone depletion potential (ODP) and/or global warming potential (GWP). The Montreal Protocol has eliminated ODP by requiring replacement of CFCs and HCFCs with HFCs such as R-410A, R407C, and R134a. The next focus is a worldwide technical and policy search for next-generation refrigerants with low global warming potential (LGWP). Potential options include “natural” refrigerants such as carbon dioxide (CO2), hydrocarbons (HC), and ammonia (NH3) as well as HFOs and HFO/HFC blends. All involve significant trade-offs among GWP, energy efficiency, safety, and cost. Environmental policy must consider the indirect effects of increased CO2 emissions for less efficient refrigerants, not just the direct global warming (GWP) of the refrigerant. We must insist on using metrics such as Total Equivalent Warming Impact (TEWI) that balance refrigerant direct GWP, charge level, leakage emissions, and efficiency of the refrigerant in actual systems. This allows the best possible comparison of refrigerants for each application. In the right policy environment, we can achieve reduced environmental impact and increase efficiency. This will probably require increased differentiation of application-specific refrigerant choices that are associated with somewhat higher first costs but very attractive life cycle costs with acceptable safety and environmental impacts. Background
PENGARUH MOTIVASI KERJA, DISIPLIN DAN KEPUASAN KERJA TERHADAP PRESTASI KERJA PEGAWAI PADA DINAS KEPENDUDUKAN DAN PENCATATAN SIPIL DI KABUPATEN BATU BARA (2020)

Tujuan penelitian ini adalah untuk mengetahui pengaruh Motivasi Kerja, Disiplin dan Kepuasan Kerja terhadap Prestasi Kerja pegawai pada Dinas Kependudukan dan Pencatatan Sipil di Kabupaten Batu Bara. Pengujian secara Serempak menunjukkan bahwa nilai F hitung (23,372) lebih besar dibandingkan dengan nilai F tabel (2,79). Hal ini menunjukkan bahwa faktor motivasi kerja, disiplin dan kepuasan kerja secara Serempak berpengaruh terhadap Prestasi Kerja Pegawai pada Dinas Kependudukan dan Pencatatan Sipil di Kabupaten Batu Bara. Pengujian secara Parsial diperoleh hasil untuk faktor Motivasi Kerja (3.120), disipin (3.153) dan kepuasan kerja (3.716). Dengan demikian secara parsial pengaruh yang dominan terhadap Prestasi Kerja Pegawai pada Dinas Kependudukan dan Pencatatan Sipil di Kabupaten Batu Bara adalah Kepuasan Kerja. Nilai koefesien determinasi yang disesuaikan ( Adjusted R Square ) sebesar 0,805 atau sebesar 80,5%. Artinya, prestasi kerja berpengaruh terhadap Motivasi Kerja, Disiplin dan Kepuasan Kerja sebesar 80,5% sisanya sebesar 19,5% dijelaskan faktor lainnya yang tidak diteliti dalam penelitian lainnya. Kata Kunci : Motivasi Kerja, Displin, Kepuasan Kerja, Prestasi Kerja