gebhart/patrepeval huggingface dataset:
Low sidelobe patterns from thinned arrays using multiplicative processing (1980)

The paper describes a new technique for achieving low-sidelobe directional patterns (-35 dB) from thinned arrays. The concept employs multiplicative processing and is therefore restricted to receiving arrays. It is shown that a total of about 3N elements can synthesise a pattern corresponding to a filled array of N 2 elements so that large thinning factors, in excess of 90%, are realisable for large numbers of elements and without degradation of sidelobe performance. The basic concept is also demonstrated experimentally with a 6-element array. It is shown that this design is more susceptible to the effects of random phase errors compared with conventional arrays and the multiplicative signal processing can also lead to problems of multiple-source cross products under certain situations.
Data fusion for image based on wavelet transform (2000)

A new image fusion method is presented based on wavelet transform. In this method the original image is transformed into bright sub image and edge sub image by wavelet transform. Each sub image is divided into sub clocks, and fusion coefficient is computed according to local area square error rule, and data fusion is processed to each sub clocks, then fusion image is reconstructed. Experimental results show that this method is consistent with image fusion.
In-line infrared sensors covering the midinfrared from 2 to 14 μm (5000 to 700 cm<sup>-1</sup>) (2002)

The wide spread use of FT-IR spectrometers has created many potential applications for MIR spectroscopy in quality control and process monitoring. Because of the complexity, cost and environmental requirements of FT-IR spectrometers, it is usually impractical to move them into the field or along side the process stream. Portable MIR instruments such as the Wilks Infracal Filtometers are filling the need for field measurements. For in-line sensing, ATR probes combined with optical fibers or light pipes are being installed to transmit absorption data to remotely located FT-IR instruments. While such installations have performed satisfactorily in some applications, optical fibers are limited in energy transmission efficiency and in the MIR are extremely expensive. A new type of MIR sensor has been developed by Wilks Enterprise, Inc. called the IR Plug, that makes the absorption measurement directly in stream, transmitting digital concentration information to a remote PC or display panel. The Wilks IR Plug eliminates the need for optical fibers, light pipes and the FT-IR spectrometer itself.
α-Amanitin Restrains Cancer Relapse from Drug-Tolerant Cell Subpopulations via TAF15 (2016)

Cancer relapse occurs with substantial frequency even after treatment with curative intent. Here we studied drug-tolerant colonies (DTCs), which are subpopulations of cancer cells that survive in the presence of drugs. Proteomic characterization of DTCs identified stemness- and epithelial-dominant subpopulations, but functional screening suggested that DTC formation was regulated at the transcriptional level independent from protein expression patterns. We consistently found that α-amanitin, an RNA polymerase II (RNAPII) inhibitor, effectively inhibited DTCs by suppressing TAF15 expression, which binds to RNA to modulate transcription and RNA processing. Sequential administration of α-amanitin and cisplatin extended overall survival in a cancer-relapse mouse model, namely peritonitis carcinomatosa. Therefore, post-treatment cancer relapse may occur through non-distinct subpopulations and may be effectively prevented by α-amanitin to disrupt transcriptional machinery, including TAF15.
Seamless IP Multimedia Service Continuity Support in Inter-worked UMTS and WLAN (2007)

The rapid growth of WLANs provides an opportunity for appropriately equipped user terminals to access the evolutionary 3GPP services via high speed WLAN at low cost. Interworking of UMTS and WLANs aims to extend 3 GPP services and functionality to the WLAN environment, thus effectively making it a complementary access technology. One of the research challenges for this interworking is the design of mobility management mechanisms to support seamless service continuity. In this work, first we undertake a holistic review of the mobility problem, considering handovers at different protocol layers. Then we propose a cross-layer mechanism for better coordination between different layers to improve the handover performance and thereby meet the requirements of seamless service continuity. Finally we present the results from an experimental study of the proposed mechanism.
Propofol Improves Functional and Metabolic Recovery in Ischemic Reperfused Isolated Rat Hearts (1998)

We evaluated the possible cardioprotective effects of propofol in isolated, working rat hearts subjected to 15-min ischemia, followed by 20-min reperfusion. We observed that propofol attenuated mechanical dysfunction, metabolic derangement, and lipid peroxidation during reperfusion. This latter finding seems to be one mechanism for cardioprotective effects of propofol.
Synthesis and characterization of crosslinked polymers. III. Volume change of porous crosslinked polystyrenes and retention of pore structures. (1989)

多孔性橋かけポリスチレンを懸濁重合法で孔形成剤の共存下に合成した. 重合時に形成されるポリマーのマクロポア (ここでは固定孔と呼ぶ) は, 重合後の処理条件によって大きく変化し, 良溶媒に浸せきすると高分子鎖は溶解状態になり固定孔は消失した. しかし, その孔構造は保持されており固定孔は元に戻すことができた. 乾燥して収縮したポリマーを良溶媒に浸せきし膨潤させると, 膨潤に要する時間及び膨潤度はその固定孔の量によって大きく異なるが, 膨潤平衡時の孔体積は重合の際の孔形成剤量に依存した. この膨潤挙動は, 孔構造が保持されていることに基づくと考えられる.
Design and Development of a Mechanical Variable Valve Actuation System (2000)

<div class="htmlview paragraph">Compromises inherent with fixed valve lift and event timing have prompted engine designers to consider Variable Valve Actuation (VVA) systems for many decades. In recent years, some relatively basic forms of VVA have been introduced into production engines. Greater performance and driveability expectations of customers, more stringent emission regulations set by government legislators, and the mutual desire for higher fuel economy are increasingly at odds. As a solution, many OEM companies are seriously considering large-scale application of higher function VVA mechanisms in their next generation vehicles.</div> <div class="htmlview paragraph">This paper describes the continuing development progress of a mechanical VVA system. Design features and operation of the mechanism are explained. Test results are presented in two sections: motored cylinder head test data focuses on VVA system friction, control system performance, valve lift and component stress. Dynamometer results from a four-cylinder test engine focus on fuel consumption, emissions, torque and combustion stability characteristics. The paper finishes with a description of proposed future activities.</div>
Optimization techniques of on-chip memory system based on UltraSPARC architecture (2009)

It is of great significance to optimize the design of on-chip memory system for improving the performance of multi-core processor. This paper describes the organization of on-chip memory hierarchy in UltraSPARC T2, analyzes the procedure of dealing with the memory access request from multi-core processor in detail. To get the basic parameters of timing characteristic and area consumption, the primary element of on-chip memory system is simulated by ModelSim and synthesized by Synopsys Design Complier with 90 nm standard cell library. Aimed at the potential limiting factor of improving the performance of memory hierarchy, corresponding optimization techniques of critical elements in memory system are explored finally.
Severe hypoxia enhances the formation of erythroid bursts from human cord blood cells and the maintenance of BFU-E in vitro. (1997)

Incubation in severe hypoxia (1% oxygen) increased the number of erythroid bursts generated from full-term CD34+, or premature mononucleated, human cord blood (CB) cells, in semisolid cultures containing stem cell factor (SCF), interleukin (IL)-3 and erythropoietin (EPO). Severe hypoxia also enhanced the maintenance of erythroid burst-forming units (BFU-E) in CB cell liquid cultures. These positive effects of hypoxia on the maintenance and cloning efficiency of BFU-E did not extend to the other progenitors assayed. Hypoxia, on the other hand, markedly reduced the size and level of hemoglobinization of bursts and, in liquid cultures, suppressed the growth factor-stimulated numerical increase in BFU-E and inhibited the expression of CD36, a marker of erythroid colony-forming units and maturing erythroid precursors. However, when transferred to clonal assays incubated in air, cells from liquid cultures incubated in hypoxia or in air generated fully expanded and hemoglobinized bursts, suggesting that in hypoxia the clonogenic potential of BFU-E was maintained and the development of erythroid clones reversibly inhibited. These results indicate that hypoxia inversely regulates two subsequent phases of erythropoiesis, i.e., it enhances the maintenance of BFU-E and the early development of erythroid clones but inhibits the terminal expansion and maturation of these clones. The cloning of CB cells selected for CD34 positivity, when compared with that of the total population of mononucleated CB cells, revealed that the early development of erythroid bursts was either hypoxia-enhanced or hypoxia-insensitive, reflecting the existence of two different types of BFU-E. Hypoxia-enhanced BFU-E are relatively immature, are maintained in hypoxia but not in air, and account for a large part of CD34+ BFU-E and for a high percentage of the BFU-E in premature CB. Hypoxia-insensitive BFU-E are mostly CD34- and are largely predominant in full-term CB, and most probably correspond to a more mature type of BFU-E.
First Wall Design of ITER Test Blanket Module(TBM) based on RCC-MR Code (2012)

The Helium cooled ceramic reflector(HCCR) test blanket module(TBM) has been designed and developed to participate the ITER(International Thermonuclear Experimental Reactor) test blanket program in Korea. The TBM was one of the main objectives for developing ITER for proving the tritium self-sufficiency and the heat transfers to produce the electricity with the breeding blanket concept. Among the TBM components, the first wall(FW) was the most important component in safety since it was directly faced a high level of a heat and fast neutrons from the plasma side and could protect the others components inside TBM. In this paper, the FW has been designed through the thermo-mechanical analysis considering ITER operation conditions. With the developed simple models, the stress limit analysis based on RCC-MR code which is the nuclear power plant design codes in France was evaluated for the allowable design criteria. The results showed that the designed FW model satisfied or of the allowable stress() in RCC-MR code at the maximum stress region in the FW.
Morphology and magnetic properties of α-Fe2O3 particles prepared by octadecylamine-assisted hydrothermal method (2012)

有各种各样的形态学的 -Fe2O3 粒子包括 micro-doublesphere， tetrakaidecahedron 并且聚集 nanoparticles 微椭圆体，成功地经由一个帮助 octadecylamine 的热水的方法被综合。产品被 X 光检查衍射(XRD ) 描绘，扫描电子显微镜学(SEM ) 和高分辨率的传播电子显微镜学(HRTEM ) 。结果显示 octadecylamine 的存在由选择水晶吸附在形态学进化起了一个关键作用。protonated octadecylamine 增加了加速了成核的 pH 价值，并且 octadecylamine 的长烷基组充当了一个吸附禁止者延迟 nanoparticles 的生长。同样准备的 -Fe2O3 粒子比类似的尺寸的另外的 -Fe2O3 粒子展出了更高残余的磁化和 coercivity。这些性质应该被归因于上层建筑和综合粒子的形状 anisotropy。
Effects of Prestrainning on the Impact Response and Twinning Structure of 304L Stainless Steel (2001)

An investigation has been made into the effects of prestraining on the impact response and twinning structure of 304L stainless steel by means of a split Hopkinson bar and TEM metallography. Annealed 304L stainless steel was pre-deformed at prestrains of 0.15 and 0.3 using a Saginomiya 100 metal forming machine, providing specimens with different microstructural parameters and mechanical properties. Cylindrical specimens were machined from the pre-deformed material and tested at room temperature at strain rates of 10−3, 8×102, 2.3×103 and 4.8×103 s−1, with the true strains varying from 0.1 to 0.3. The results indicate that the overall stress-strain response was strongly dependent on applied strain rate and prestrain level. Flow stress increased with strain and strain rate for each prestrain condition. The higher prestrain specimen was generally stronger because of the different initial microstructure and degree of work hardening. Strain-rate sensitivity and activation volume varied with prestrain and work hardening stress (σ−σy). Increased prestrain and work hardening stress resulted in increased strain-rate sensitivity, but the inverse was observed for activation volume. TEM thin foil observation revealed deformation twinning was operative in 304L stainless steel over a broad strain and strain rate range, and can combine with prestrain effects for different work hardening characteristics and impact strength enhancement. Twin density was observed to increase with prestrain and work hardening stress.
Machine Vision based Fruit Classification and Grading - A Review (2017)

One of the important quality features of fruits is its appearance. Appearance not only influences their market value, the preferences and the choice of the consumer, but also their internal quality to a certain extent. Color, texture, size, shape, as well the visual flaws are generally examined to assess the outside quality of food. Manually controlling external quality control of fruit is time consuming and laborintensive. Thus for automatic external quality control of food and agricultural products, computer vision systems have been widely used in the food industry and have proved to be a scientific and powerful tool for by intensive work over decades. The use of machine and computer vision technology in the field of external quality inspection of fruit has been published based on studies carried on spatial image and / or spectral image processing and analysis. A detailed overview of the process of fruit classification and grading has been presented in this paper. Detail examination of each step is done. Some extraction methods like Speeded Up Robust Features (SURF), Histogram of Oriented Gradient (HOG) and Local Binary Pattern (LBP) are discussed with the common features of fruits like color, size, shape and texture. Machine learning algorithms like K-nearest neighbor (KNN), Support Vector Machine (SVM), Artificial Neural Networks (ANN) and Convolutional Neural Networks (CNN) are also discussed. Process, advantages, disadvantages, challenges occurring in food-classification and grading is discussed in this paper, which can give direction to researchers.
Ontological Knowledge Engine and Health Screening Data Enabled Ubiquitous Personalized Physical Fitness (UFIT) (2014)

Good physical fitness generally makes the body less prone to common diseases. A personalized exercise plan that promotes a balanced approach to fitness helps promotes fitness, while inappropriate forms of exercise can have adverse consequences for health. This paper aims to develop an ontology-driven knowledge-based system for generating custom-designed exercise plans based on a user's profile and health status, incorporating international standard Health Level Seven International (HL7) data on physical fitness and health screening. The generated plan exposing Representational State Transfer (REST) style web services which can be accessed from any Internet-enabled device and deployed in cloud computing environments. To ensure the practicality of the generated exercise plans, encapsulated knowledge used as a basis for inference in the system is acquired from domain experts. The proposed Ubiquitous Exercise Plan Generation for Personalized Physical Fitness (UFIT) will not only improve health-related fitness through generating personalized exercise plans, but also aid users in avoiding inappropriate work outs.
Autonomous Scooping of a Rock Pile by a Wheel Loader Using Disturbance Observer (2006)

Autonomous Scooping of a Rock Pile by a Wheel Loader Using Disturbance Observer Osamu Kanai, Hisashi Osumi, Shigeru Sarata, Masamitsu Kurisu Pages 472-475 (2006 Proceedings of the 23rd ISARC, Tokyo, Japan, ISBN 9784990271718, ISSN 2413-5844) Abstract: A controller for a miniature wheel loader is developed to scoop rock piles autonomously. During a scooping task operation, the load of the bucket varies momentarily according to the phase of scooping. Before the insertion of the bucket into the rock pile, the load is just the bucket weight, but after the insertion the reaction force from the rock piles is applied to the bucket. The values of the reaction forces changes significantly and they can not be identified in advance. To achieve autonomous loading, it is required for the bucket controller to work stably in both cases with the same algorithm. Therefore, a disturbance observer mechanism is installed into a miniature wheel loader "Yamazumi 3" to adapt various amounts of loads. Its effectiveness is verified by fundamental experiments. Keywords: wheel loader, construction robot, autonomous scooping, disturbance observer DOI: https://doi.org/10.22260/ISARC2006/0089 Download fulltext Download BibTex Download Endnote (RIS) TeX Import to Mendeley
Role of the p53 tumor suppressor gene in the tumorigenicity of Burkitt's lymphoma cells. (1997)

Burkitt's lymphoma (BL) cell lines carry a translocated c-myc gene and, in 60-80% of cases, exhibit mutations in the p53 tumor suppressor gene. We examined the potential role of the p53 gene in BL tumorigenicity using an in vitro assay that measures p53-dependent cell cycle arrest in the G1 phase of the cell cycle and an in vivo athymic murine model that detects differences in the tumorigenicity of BL cell lines. A highly significant inverse correlation was found between the ability of BL cells to arrest in G1 after irradiation and their tumorigenicity in athymic mice, consistent with the notion that loss of p53 function is associated with increased tumorigenicity. Inactivation of wild-type (wt) p53 function by expression of the human papillomavirus E6 protein in the AG876V BL cell line, which carries both wt and mutant p53 proteins, rendered the cell line significantly more tumorigenic in athymic mice. Transfection of the wt p53 gene into the p53 mutant and highly tumorigenic BL-41 cell line caused it to acquire wt p53 function and rendered it less tumorigenic in mice. In addition to confirming a role for the loss of p53 function in tumor progression, the data demonstrate that wt p53 protein can reduce BL tumorigenicity in vivo.
Composition and function in AB{sub 5} hydride electrodes (1996)

Multicomponent AB, hydrides are attractive replacements for the cadmium electrode in nickel - cadmium batteries. This paper is concerned with the differential effects of Ni substitution by cobalt, Mn and Al upon electrode corrosion and capacity, using alloys having the generic composition of Al(NiCoMnAl){sub 5} and similar to those used for the preparation of commercial battery electrodes. The corrosion of metal hydride electrodes is determined by two factors, surface passivation due to the presence of surface oxides or hydroxides and crystal lattice expansion - contraction the charge - discharge process. Thus, in addition to determining the effects of Ni substitution we will also address the question of whether an observed change is due to a change lattice expansion or to a change in surface passivation, e.g. the formation a corrosion resistant oxide layer.
Enantioselective Catalytic Hydrosilylation of Oximes (1984)

Conversion of oximes 1 into optically active amines 4 (ee < 19%) is achieved by hydrosilylation using 2 in the presence of chiral Rh catalysts. The E-configuration of 1 is retained in the reaction to afford 3; however, during the reaction the latter compound partly isomeizes to (Z)-3.
Switched mode transmitter architecture using low pass delta sigma modulator (2011)

Several design challenges of a low pass continuous time delta sigma modulator (LP DSM), to be used in switched mode transmitter architecture, have been identified. MATLAB simulations and modulation schemes for LP DSM have been presented. Various analog issues, mainly concerned with loop filter design, are discussed. Finally a highly efficient switched mode transmitter architecture using delta-sigma modulation and class-D amplifier is implemented. The transmitter architecture is operated at 200MHz.
DESIGN AND DEVELOPMENT OF GAS-LIQUID CYLINDRICAL CYCLONE COMPACT SEPARATORS FOR THREE-PHASE FLOW (2001)

This report presents a brief overview of the activities and tasks accomplished during the first half year (October 1, 2000-March 31, 2001) of the fourth project year budget period (October 1, 2000-September 30, 2001). An executive summary is presented initially followed by the tasks of the current budget period. Then, detailed description of the experimental and modeling investigations are presented. Subsequently, the technical and scientific results of the activities of this project period are presented with some discussions. The findings of this investigation are summarized in the ''Conclusions'' section followed by relevant references. The fourth project year activities are divided into three main parts, which are carried out in parallel. The first part is continuation of the experimental program that includes a study of the oil/water two-phase behavior at high pressures and control system development for the three-phase GLCC{copyright}. This investigation will be eventually extended for three-phase flow. The second part consists of the development of a simplified mechanistic model incorporating the experimental results and behavior of dispersion of oil in water and water in oil. This will provide an insight into the hydrodynamic flow behavior and serve as the design tool for the industry. Although useful for sizing GLCC{copyright} for proven applications, the mechanistic model will not provide detailed hydrodynamic flow behavior information needed to screen new geometric variations or to study the effect of fluid property variations. Therefore, in the third part, the more rigorous approach of computational fluid dynamics (CFD) will be utilized. Multidimensional multiphase flow simulation at high pressures and for real crude conditions will provide much greater depth into the understanding of the physical phenomena and the mathematical analysis of three-phase GLCC{copyright} design and performance.
Mutation and screening to increase chymosin yield in a genetically-engineered strain ofAspergillus awamori (1990)

Through the course of five rounds of mutagenesis of a genetically-engineered strain ofAspergillus awamori, the yield of a heterologous protein (the acid protease, calf chymosin) increased four-fold. This was accomplished through the use of an agar plate screen incorporating the colony restrictor 2,6-dichloro-4-nitroaniline (dichloran) and the acid protease inhibitor diazoacetyl-norleucine methyl ester (DAN) to reduce high background concentrations of the native acid protease. A miniaturized liquid culture growth method using 24-well culture plates was an intermediate screen between agar plate and shake flask cultures. Analysis of broth samples for active calf chymosin was accomplished with a highly specific, 96-well microtiter plate turbidimetric assay.
T regulatory cells and attenuated bleomycin-induced fibrosis in lungs of CCR7-/- mice (2010)

Our study demonstrates that the protective phenotype associated with BLM-treated CCR7-/- mice correlates with the presence of BALT and the anchoring of Tregs in the lungs of CCR7-/- mice. These data provide novel evidence to support the further investigation of CCR7-mediated Treg trafficking in the modulation of BLM-induced PF.