gebhart/patrepeval huggingface dataset:
A high accuracy mono-station UWB positioning system (2008)

A unique way to determine the position of an UWB tag relative to a single UWB base station is proposed in this paper. The system is made possible by applying the mono-pulse angle measurement concept of the conventional mono-pulse radar to the UWB system to find the direction of the tag. Together with the range measurement based on the time-of-flight of the UWB pulses, a mono-station UWB positioning system can be built. Low data rate communication function can also be included into the system. A prototype system based on above ideas is implemented. The performance of the system is tested and shows that the STD for the angle estimation is smaller than 1.0deg and for the range estimation is smaller than 2cm. Therefore it is a high accuracy positioning system. Compared with other UWB positioning systems, in that generally more than 3 reference points with known positions are needed, the proposed one need only a single reference. The system is of the simplest configuration and is very easy to be used and very quick in deployment. The possible application of the system to home robot is also described.
作为“意识形态”的技术和科学 (1978)

这里摘译的章节,颇能代表哈贝马斯一些社会学观点和哲学观点。作者认为,鉴于科学和技术已经成为头等生产力的今天,必然就提出了它与社会实践的关系问题。认为当代的技术和科学取得了合法的统治地位,成了理解一切问题的关键。从这里出发,作者开始从根本上攻击马克思主义,胡说什么资本主义发展到今天,马克思的劳动价值学说的应用前提业已告吹,马克思学说的两个主要范畴——阶级斗争和意识形态——再也不能到处被搬用了。因为作者有他自己一套概念和术语,故文字颇为艰涩。
Involvement of Corticotropin-Releasing Factor and Somatostatin in Stress-Induced Inhibition of Growth Hormone Secretion in the Rat* (1985)

Corticotropin-releasing factor (CRF), which is released into the pituitary portal blood during exposure to noxious stimuli, can act centrally to inhibit GH secretion. We have investigated a possible role of endogenous CRF in mediating the stress-induced inhibition of GH release in the rat. While exposure to electroshocks markedly lowered plasma GH levels measured 20 min later, the central administration of the CRF antagonist alpha-Hel CRF-(9-41) totally abolished the effect of stress. To examine possible mechanisms through which CRF might mediate the inhibitory action of various stimuli on GH secretion, we have administered antisomatostatin (anti-SS) serum to CRF-injected rats and observed that immunoneutralization of endogenous SS blocked the inhibitory action of CRF on basal plasma GH values. Additionally, we have shown that CRF acted centrally to prevent the stimulatory action of both exogenously administered GH-releasing factor and the endogenous GH-releasing factor released by morphine sulfate. These effects were abolished by previous treatment with anti-SS serum. Such observations support the hypothesis that in the rat, endogenous CRF mediates the inhibitory action of noxious stimuli on GH secretion and further suggest that this effect may involve an increased release of endogenous SS.
BILIRUBIN ENCEPHALOPATHY (1954)

Peripheral blood specimens from cases of varying degree of clinical severity of hemolytic disease of the newborn infant have been examined spectrophotometrically and a curve consistent with the presence of bilirubin was found in each case. Extracts of the pigmented brain areas from five cases of hemolytic disease of the newborn infant, who died with clinical signs of brain damage, were examined spectrophotometrically and in each intance a curve consistent with bilirubin was obtained. An extract from comparable sections of brain not appearing grossly pigmented contained essentially no such pigment when examined spectrophotometrically. Crystals were obtained from a chloroform extract of pigmented brain areas and when re-dissolved showed a typical type curve for bilirubin. A positive van den Bergh was obtained on the extract solution.
Nora's Ark (review) (2005)

Reviewed by: Nora's Ark Timnah Card Kinsey-Warnock, Natalie Nora's Ark; illus. by Emily Arnold McCully. HarperCollins, 200532p Library ed. ISBN 0-06-029517-1$16.89 Trade ed. ISBN 0-688-17244-X$15.99 R 5-7 yrs The flood of 1927 washed away the homes and livelihoods of many Vermont families, and this picture book particularizes the event by chronicling the use of the new family farmhouse (happily situated out of harm's way on a hill) as a shelter for more than twenty people and some of their livestock during the torrential rains. The young narrator leaves with her grandmother the next morning to scout by rowboat for her missing grandfather, whom they find perched in a tree. Though their own livestock have all been drowned, Grandma assures Grandpa that "you're safe, and that's all that matters." The book proper is silent abut the human cost of the disaster (an author's note mentions that nearly one hundred people died), but it's still a tense and dramatic story. The prose is smooth, the few lines per page occasionally expanding into several paragraphs as the illustrations require but always maintaining readability and interest through conversation and action. The illustrations gleam with the colors of handmade sweaters and flannel shirts, the duskiness of clouds and rain giving the images a twilight glow that suits the reminiscent tone of the text. Urban children may not understand the economic calamity of the loss of livestock; however, the vivid depiction of the devastation (such as the image of the house surrounded by water as other rooftops go floating by) is guaranteed to make an impression. Use this for a rainy-day storytime to spark imaginations. Copyright © 2005 The Board of Trustees of the University of Illinois
A Versatile Three-Dimensional Ray Tracing Computer Program for Radio Waves in the Ionosphere (1975)

This report describes an accurate, versatile FORTRAN computer program for tracing rays through an anisotropic medium whose index of refraction varies continuously in three dimensions. Although developed to calculate the propagation of radio waves in the ionosphere, the program can be easily modified to do other types of ray tracing because of its organization into subroutines. 
The program can represent the refractive index by either the Appleton-Hartree or the Sen-Wyller formula, and has several ionospheric models for electron density, perturbations to the electron density (irregularities), the earth's magnetic field, and electron collision frequency. 
For each path, the program can calculate group path length, phase path length, absorption, Doppler shift due to a time-varying ionosphere, and geometrical path length. In addition to printing the3e parameters and the direction of the wave normal at various points along the ray path, the program can plot the projection of the ray path on any vertical plane or on the ground and punch the main characteristics of each ray path on cards.
Operation of a ring multimode laser containing a saturable absorber with dominant inhomogeneous line broadening (1990)

Multimode operation of a ring laser containing a saturable absorber is considered. When the pump energy is distributed uniformly between all the modes, the condition for appearance of an optical bistability is similar to the same condition for the single-mode operation. However, if the pump energy is distributed inhomogeneously over the modes in the amplifying part of the laser, an optical bistability appears only at certain modes and this is due to competition between them.
Study on Biodegradation Mechanism of LDPE Concealed in Soil for Over 32 Years. (1996)

32年以上土壌埋没した低密度ポリエチレン(LDPE)の生分解挙動について他の 3 種類の汎用プラスチックの挙動とともに比較観察したところ, LDPE のみ激しい損傷を受けていた。損傷は土壌接触部のみ受け,非接触部では全く損傷を受けないこと,微生物の少ない深部土壌に埋没していた LDPE ほど損傷が少なくなることから,微生物による影響と推察された,そこで,これらの LDPE を用いて生分解挙動について調べた。その結果,土壌非接触部では通常の酸化劣化が生じているのに対し,土壌接触部では劣化が酸化劣化と微生物劣化との複合機構で進行すると結論づけた。微生物の存在下では通常の酸化で生ずるアルコキシルラジカルのβ開裂のほかに,γ 開裂によって末端ビニル基と揮発生成物を生ずる機構が存在することが示唆される。以上の結果は,一般に微生物分解しないといわれている高分子量 LDPE でさえも,生物活性な土壌中に数十年という長時間埋設しておけば,微生物が関与した酸化分解が生ずることを示している。一方,畑や野原に散乱する LDPE を調べると,比較的短期間に光分解をともなう微生物が関与した分解が生じているため,これらの微生物分解は容易に生ずることを確認した。また,微生物分解の加速には通常の酸化反応を促進して活性点を増やすことが不可欠であることが明らかになった。
Optical absorption characteristics in semi-insulating GaAs crystals (1986)

Bleaching and related optical characteristics investigations have been carried out on near-infrared absorption bands in undoped, semi-insulating GaAs to examine the nature of As-rich defects relevant to the absorption. The results obtained for preferential bleaching characteristics have led to the conclusion that the defects responsible for the absorption are not likely to be isolated defects or a single species of simple associated defects.
Prevention of diabetes in BioBreeding/Worcester rats with monoclonal antibodies that recognize T lymphocytes or natural killer cells. (1986)

Diabetes-prone BioBreeding/Worcester (BB/Wor) rats received thrice weekly injections of mAb against antigens expressed on the surface of all T cells (OX19), cytotoxic/suppressor, and NK cells (OX8), helper/inducer cells (W3/25, OX35, OX38), and Ia+ cells (OX6, 3JP, OX17). Treatment with OX8 or OX19 achieved stable reductions of splenic and peripheral blood NK cells and helper/inducer T lymphocytes, respectively, and protected against diabetes. OX19 injections also prevented lymphocytic insulitis, thyroiditis, and the synthesis of autoantibodies to thyroid colloid and smooth muscle antigens. OX8 injections reduced splenic NK-mediated YAC-1 cell lysis, but did not prevent insulitis, thyroiditis, or autoantibody synthesis. Injections of mAb specific for antigens on the surface of helper/inducer cells, and for cells expressing IaE antigens provided marginal protection against diabetes without reductions of phenotypic subsets. These findings suggest that pancreatic beta cell destruction in the spontaneously diabetic BB/Wor rat is mediated by the combined action of NK and helper/inducer cells.
[Biotinylated pH-sensitive liposomes--containers for guided administration of biologically active substances to the cells]. (1990)

The technique is described for obtaining pH-sensitive biotinylated liposomes. The liposomes included phosphatidyl ethanolamine, oleic acid, cholesterol, biotin amidocaproyl phosphatidyl ethanolamine, with a molar ratio of 7:3:3:0.1 or 4:2:4:0.1. The fluorescein stain calcein at ++self-limited concentration, 32-P-dTTP, or DNA was incorporated into the internal liposome medium. The liposomes were stable in neutral or mildly alkaline medium but became leaky and showed agglutination at pH 5.7. Liposomes were agglutinated in the presence of avidin and bound specifically to the layer of avidin on the surface of immunological plates. The apparent liposome affinity to the avidin layer was up to 10(-11) M. The avidin-biotin system allows for specific binding of liposomes to human lymphocytes via biotinylated anti-CD5-antibodies. A simple, convenient, and rapid procedure has been elaborated for the binding of water-soluble substances (plasmid DNA included) to liposomes without DNA destruction.
Transfusions of Whole Blood Prevent Spontaneous Diabetes Mellitus in the BB/W Rat (1983)

Weekly transfusions of whole blood from a nondiabetic subline of BB/W rats reduced the incidence of diabetes in susceptible BB/W rats from 39 to 0 percent and the incidence of pancreatic insulitis from 64 to 6 percent. Responsiveness of lymphocytes to concanavalin A was found to be low in rats with diabetes or insulitis. Transfusion restored concanavalin A responsiveness to levels observed in control rats free of diabetes or insulitis. These data suggest that whole blood alters the course of autoimmune BB/W rat diabetes.
Prevention of mucositis with KGF in patients undergoing allogeneic stem cell transplantation. (2011)

6543 Background: Prospective studies have shown that palifermin (keratinocyte growth factor, KGF) reduces the duration and severity of oral mucositis after auto hematopoietic stem cell transplant (HSCT). Methods: To test the hypothesis that KGF reduces mucositis following ablative allogeneic (allo)-HSCT, we conducted a retrospective study on 251 consecutive adult patients with hematologic malignancies who had a T cell depleted allo-HSCT from 2004-2009. 154 patients received KGF (TBI=77, chemo=77) and 97 patients did not receive KGF (TBI=44, chemo=53). The number of days of PCA and TPN use and length of hospital stay (LOS) were evaluated as clinical surrogates for mucositis severity. Outcomes were compared between KGF and non-KGF recipients using the Wilcoxon rank-sum test. Adjusting for age, ATG use and conditioning regimen, linear regression models evaluated the effect of KGF on each of these outcomes. Results: In the entire cohort, KGF was significantly associated in univariate and multivariate analysis with fewer days on PCA and TPN, and shorter LOS (Table). While the same significant association between KGF and outcomes was noted in recipients of TBI-based allo-HSCT, KGF did not affect mucositis severity in recipients of a chemo-based allo-HSCT. KGF did not affect overall survival, event-free survival, engraftment or acute graft-versus-host disease. Conclusions: Our data demonstrate that KGF decreases mucositis severity in recipients of TBI-based but not chemo-based allo-HSCT. We cannot exclude a benefit of KGF in other chemotherapy regimens. Prospective studies evaluating KGF’s impact on mucositis following allo-HSCT should preferentially focus on patients who receive TBI-based transplants. KGF P value Yes Median (range) No Median (range) Wilcoxon rank sum Adjusted test Entire cohort PCA days 2 (0-78) 7 (0-106) 0.002 0.023 TPN days 12 (0-53) 15 (0-63) 0.003 0.006 LOS 31 (11-89) 33 (15-128) 0.001 0.014 TBI regimens PCA days 5 (0-45) 11 (0-106) 0.011 0.033 TPN days 11 (0-51) 17 (0-32) <0.001 <0.001 LOS 31 (24-72) 37 (16-106) <0.001 0.001 Chemo regimen (busulfan/melphalan/fludarabine) PCA days 0 (0-78) 5 (0-34) 0.032 0.288 TPN days 12 (0-53) 13 (0-63) 0.573 0.490 LOS 31 (11-89) 32 (15-128) 0.696 0.459
A Practical and Effective Approach for the Prevention of Ischemia-Reperfusion Injury after Acute Myocardial Infarction: Pressure-Regulated Tepid Blood Reperfusion (2007)

These results indicate that our controlled initial reperfusion technique is effective in the prevention of ischemia-reperfusion injury. We advocate the use of this innovative technique as an alternative to complex controlled aortic root reperfusion with the guidance of the early promising results of this study.
Surgery for orbital tumors. Part II: transorbital approaches (2001)

Orbital tumors can be excised or biopsy samples obtained via transorbital approaches, especially those located in the anterior two thirds of the orbit. The indications and various surgical steps will be reviewed for the anterior, the anteromedial, and the lateral approaches. Some of these approaches can be combined or extended to accommodate large or deep-seated tumors.
Passivation of high <i>T</i> <i>c</i> superconductor surfaces with CaF2 and Bi, Al, and Si oxides (1988)

X-ray photoelectron spectroscopy has been used to investigate passivation of the high-temperature superconductors YBa2Cu3O7−x and Bi2Ca1+xSr2−xCu2O8+y involving overlayer materials deposited in vacuum onto freshly cleaved surfaces. CaF2 was found to be completely inert and to form uniform overlayers on the surface. Deposition of Bi, Si, and Al in activated oxygen produced oxides and exhibited minimal reaction and disruption of the superconductor surface. In contrast, results for Bi, Si, and Al deposition in nonactivated oxygen or ultrahigh vacuum showed extensive substrate disruption due to surface reactions and oxygen withdrawal. This indicates that the activation technique provides oxygen from the gas phase for oxide formation and facilitates nondisruptive overlayer growth, even for reactive metals.
Products of “Low-iron Fermentation” with Bacillus subilis: Isolation, Characterization and Synthesis of 2,3-Dihydroxybenzoylglycine<sup>1,2</sup> (1958)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTProducts of "Low-iron Fermentation" with Bacillus subilis: Isolation, Characterization and Synthesis of 2,3-Dihydroxybenzoylglycine1,2Takeru Ito and J. B. NeilandsCite this: J. Am. Chem. Soc. 1958, 80, 17, 4645–4647Publication Date (Print):September 1, 1958Publication History Published online1 May 2002Published inissue 1 September 1958https://pubs.acs.org/doi/10.1021/ja01550a058https://doi.org/10.1021/ja01550a058research-articleACS PublicationsRequest reuse permissionsArticle Views253Altmetric-Citations102LEARN 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
REVIEWS OF BOOKS (1976)

REVIEWS OF BOOKS Get access PATHOLOGY OF RHEUMATIC DISEASES. By H. G. Fassbender. Pp. 351,444fig. DM 104 (approx. £19.50). Berlin: Springer-Verlag, 1975. V. WRIGHT V. WRIGHT Search for other works by this author on: Oxford Academic PubMed Google Scholar Rheumatology, Volume 15, Issue 1, February 1976, Pages 54–55, https://doi.org/10.1093/rheumatology/15.1.54-a Published: 01 February 1976
Conversion of units of measurement (1995)

Algorithms are presented for converting units of measurement from a given form to a desired form. The algorithms are fast, are able to convert any combination of units to any equivalent combination, and perform dimensional analysis to ensure that the conversion is legitimate. Algorithms are also presented for simplification of symbolic combinations of units. Application of these techniques to perform automatic unit conversion and unit checking in a programming language is described.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
The Influence of Vicinal-Cut Sapphire Substrate on AlGaN/GaN Heterostructure by MOCVD (2008)

The effects of AlGaN/GaN epilayers grown by metallorganic chemical vapor deposition on a -tilted -plane sapphire substrate were studied. From chemical wet etching results, we found that the etching pits density for a -tilted AlGaN/GaN sample is lower than that for the on-axis AlGaN/GaN sample. This result indicated that using vicinal-cut sapphire substrates might effectively reduce threading dislocations and improve the crystal quality. It also has the higher electron concentration. Finally, compared to AlGaN/GaN diodes grown on on-axis -plane sapphire substrates, the reverse leakage current for the AlGaN/GaN diodes grown on a -tilted -plane sapphire substrate was reduced by two orders of magnitude.
Trapped-energy AT-cut quartz crystal units with grooves (2002)

This paper describes a trapped-energy AT-cut quartz crystal resonator with a "groove" on the edge of its electrode which allows: 1. Free shifting of inharmonic spurious responses to another zone of frequency; 2. Smaller displacement at the plate edge; 3. Improved inharmonic spurious responses. This is because it is able to trap the vibration energy more effectively than a resonator without a groove. A theoretical analysis of this resonator was made regarding it as a purely elastic and isotropic body, and was verified by numerical computation using the three-dimensional finite element method.
The polar decomposition— properties, applications and algorithms (1995)

In the paper we review the numerical methods for computing the polar decomposition of a matrix. Numerical tests comparing these methods are included. Moreover, the applications of the polar decomposition and the most important its properties are mentioned.
Tension control improvement in automatic stator in-slot winding machines using iterative learning control (2014)

Conventional motor winding machines use a passive device such as a dancer arm or hysteresis brake to adjust the tension of the wire. However, when the winding speed increases, the passive device may not be able to react quickly enough so that a sudden change in the tension will likely cause the enameled wire to vibrate. Consequently, the motor winding quality will be affected. In order to cope with this difficulty, instead of using a passive device, this paper proposes an active tension control scheme, in which the wire tension measured by a load cell is used as the feedback signal of the tension control loop. Moreover, feedforward control and iterative learning control are integrated into the proposed tension control scheme to improve system response and suppress the periodic disturbance arising from the winding process. Several motor winding experiments have been conducted to assess the performance of the proposed approach.
Foreign body gonitis caused by a broken poly‐L‐lactic acid screw (1998)

Poly-L-lactic acid (PLLA), a biodegradable polymer, is generally considered to be gradually degraded without causing any severe tissue reaction. However, we encountered a patient who developed foreign body gonitis caused by screw breakage after fixation of an intercondylar prominence fracture with PLLA screws. This case suggests that care should be taken when PLLA materials are used to fix intraarticular fractures.
Kangal köpeklerinin perifer kan t lenfositleri üzerinde ışık ve elektron mikroskopik çalışmalar (1993)

Perifer kan I~ııjositle;-i, immunolojik özelliklerine göre T, B lenfositleri ve Null hücreleri olarak sınıflar.lırılır (I, 6). Bu lenfosit tipleri, sağlıklı bİr canlının perifer kaııw.da belirli oranlarda bulunurken, hazı proliferatif hastalıklarda bu oranlarda önemli sapmalar şekillenmektedir (I, 6, 9, 17). lmmun yetmezlik hastalıklarının diagnozu, lenfositİk lösemilerde orijinin beIİrlenmesi, kanser olgulannda selüler immunitede meydana gelen değişikIikIerin saptanabilmesi için perifer kan B ve T lenfosit oranIarı iIe Null hücresi orammn belirlenmesi gerekIidir (6).
Application of the method of characteristics to supersonic rotational flow (1946)

A system for calculating the physical properties of supersonic rotational flow with axial symmetry and supersonic rotational flow in a two-dimensional field was determined by use of the characteristics method. The system was applied to the study of external and internal flow for supersonic inlets with axial symmetry. For a circular conical inlet the shock that occurred at the lip of the inlet became stronger as it approached the axis of the inlet and became a normal shock at the axis. The region in which strong shock occurred increased with increase of the angle of internal cone at the lip of the inlet. For an inlet with a central body the method of characteristics was applied to the design of an internal channel shape that, theoretically, results in very efficient recompression in the inlet. It was shown that if an effuser is connected with the diffuser a body of revolution with very small shock-wave drag can be determined. (author)
Angle-multiplexed hologram storage in LiNbO_3:Tb, Fe (2000)

We have performed hologram multiplexing with a cw laser at lambda=532 nm in a near-stoichiometric LiNbO(3) :Tb, Fe crystal that exhibits a visible absorption band induced by UV light. When 50 plane-wave holograms were angle multiplexed from the UV preexposed state, the recording sensitivity gradually decreased, owing to bleaching of the induced absorption. However, a conventional recording schedule of multiplexing many holograms of equal diffraction efficiency can be used in this photochromic material. The gradual decrease in recording sensitivity throughout multiplexing can be compensated for by the increased erasure-time constants of later-written holograms. An M/# of 1.73 was obtained in a crystal of 3.3-mm thickness.