Xem 1-20 trên 31 kết quả Transient analysis
  • This book incorporates selected topics on theory, revision, and practical application models for water supply systems analysis. A water supply system is an interconnected collection of sources, pipes, and hydraulic control elements (e.g., pumps, valves, regulators, tanks) delivering consumers prescribed water quantities at desired pressures and water qualities. Such systems are often described as a graph, with the links representing the pipes, and the nodes defining connections between pipes, hydraulic control elements, consumers, and sources.

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  • Những nội dung chính được trình bày trong bài giảng Electrical and electronic principles - Chương 7 gồm có: Laplace transform, circuit element models, circuit analysis, transient analysis. Mời các bạn cùng tham khảo.

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  • Introduction: Amphetamines are a group of drugs stimulating the central nervous system; they act on the cerebral cortex to enhance psychic activities, resulting in the removal of general fatigue and drowsiness and thus in the transient improvement of working efficiency. Their abuse causes dependence, hallucination, delusion and changes in personality. Because of such harmfulness of the drugs, their use and possession are prohibited by the Stimulant Drugs Control Law in Japan [1].

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  • Tham khảo luận văn - đề án 'báo cáo khoa học: energetic and metabolic transient response of saccharomyces cerevisiae to benzoic acid', luận văn - báo cáo, báo cáo khoa học phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Oil and gas are the most important non-renewable sources of energy. Exploring, producing and managing these resources in compliance with HSE standards are challenging tasks. New technologies, workflows and procedures have to be implemented.This book deals with some of these themes and describes some of the advanced technologies related to the oil and gas industry from HSE to field management issues. Some new technologies for geo-modeling, transient well testing and digital rock physics are also introduced. There are many more technical topics to be addressed in future books.

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  • TRANSIENT and STEADY STATE THERMAL ANALYSIS OF HEATSINK Pro/ENGINEER and Pro/MECHANICA Wildfire 2.0 Dr. Herli Surjanhata ME-430 INTRODUCTION TO COMPUTER AIDED DESIGN Background A steady state thermal analysis calculates effects of constant thermal loads on a model and is used to determine temperatures, heat flow rates, and the heat fluxes in a part. A steady state analysis is commonly used as a precursor to a transient thermal analysis to determine the initial conditions.

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  • The ANSYS program has many finite-element analysis capabilities, ranging from a simple, linear, static analysis to a complex, nonlinear, transient dynamic analysis. The analysis guides in the ANSYS documentation set describe specific procedures for performing analyses for different engineering disciplines. The process for a typical ANSYS analysis involves three general tasks

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  • CHAPTER FIVE TRANSIENT ANALYSIS 5.1 RC NETWORK Considering the RC Network shown in Figure 5.1, we can use KCL to write Equation (5.1). R C Vo(t) Figure 5.1 Source-free RC Network C i.e., dv o ( t ) v o ( t ) + =0 dt R (5.1) dv o ( t ) v o ( t ) + =0 dt CR If Vm is the initial voltage across the capacitor, then the solution to Equation (5.1) is v 0 (t ) = Vm e where  t  −   CR  (5.2) CR is the time constant Equation (5.2) represents the voltage across a discharging capacitor. To obtain the voltage across a...

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  • Transient Solution of Markov Chains Transient solution is more meaningful than steady-state solution when the system under investigation needs to be evaluated with respect to its shortterm behavior, Using steady-state measures instead of transient measures could lead to substantial errors in this case. Furthermore, applying transient analysis is the onl y choice if non-ergodic models are investigated, Transient analysis of Markov chains has been attracting increasing attention and is of particular importance in dependability modeling. ...

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  • CHAPTER 2 7 MATHEMATICAL MODELS OF DYNAMIC PHYSICAL SYSTEMS K. Preston White, Jr. Department of Systems Engineering University of Virginia Charlottesville, Virginia 27.1 RATIONALE 27.2 IDEAL ELEMENTS 27.2.1 Physical Variables 27.2.2 Power and Energy 27.2.3 One-Port Element Laws 27.2.4 Multiport Elements 27.3 SYSTEM STRUCTURE AND INTERCONNECTION LAWS 27.3.1 A Simple Example 27.3.2 Structure and Graphs 27.3.3 System Relations 27.3.4 Analogs and Duals 27.4 795 796 796 797 798 799 802 802 804 806 807 27.5 APPROACHES TO LINEAR SYSTEMS ANALYSIS 27.5.1 Transform Methods 27.5.

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  • Considering the RC Network shown in Figure 5.1, we can use KCL to write Equation

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  • Một phân tích nữa mà chúng ta sẽ thực hiện trên mạch dao động LED, đó là phân tích đáp ứng trên miền thời gian (transient analysis ) Phân tích này có đủ khả năng cho chúng ta theo dõi dòng và áp của mạch điện trong một chu kì hoạt động.

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  • We recently reported that the transient expression of polyglutamine tracts of various size in exon 1 of the huntingtin polypeptide (httEx1) generated abnormally high levels of intracellular reactive oxygen species that directly contributed to cell death. Here, we compared the protection generated by heat shock proteins to that provided by the antioxidant agentN-acetyl-l-cysteine.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Analysis of Transient and Steady-State Behavior of a Multichannel Filtered-x Partial-Error Affine Projection Algorithm

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Prony Analysis for Power System Transient Harmonics

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  • People actually report that the symptoms they feel when first exposed to ozone seem to go away, even though their exposure continues. Following ozone injury, if the lung is not exposed to ozone for approximately five to seven days, it can for the most part repair itself provided the injury is not too extensive. However, long-term studies with laboratory animals have shown that there may be residual and in some cases permanent damage. This damage might be thought of as accelerated aging of the lung. Thus, frequent exposures to ozone can cause transient damage. The...

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  • There is mounting evidence that the vanilloid (capsaicin) receptor; transient receptor potential channel, vanilloid subfamily member 1 (TRPV1), is subjected to multiple interacting levels of control. The first level is by reversible phosphorylation catalyzed by intrinsic kinases (e.g. protein kinase A and C) and phosphatases (e.g. calcineurin), which plays a pivotal role in receptor sensitization vs. tachyphy-laxis.

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  • The transient receptor potential channel vanilloid receptor subunit 1 (TRPV1) is amolecular integrator of physical and chemical stimuli in the peripheral nociceptor terminals. TRPV1 is an ionotropic channel that plays a critical role in both thermal nociception and inflammatoryhyperalgesia. Structure–function relationships are providing fundamental insights of the modular architecture of this neuronal recep-tor.

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  • During the development of multicellular organisms, both transient and stable gene expression patterns have to be established in a precisely orchestrated sequence. Evidence from diverse model organisms indicates that this epigenetic program involves not only transcription factors, but also the local structure, composition, and modification of chromatin, which define and maintain the accessibility and transcriptional competence of the nucleosomal DNA template.

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  • In this study we describe the isolation of three genes of the CYP11B family of the guinea pig. CYP11B1 codes for the previously described 11b-hydroxylase [Bulow, H.E., Mobius, ¨ ¨ K., Bahr, V. & Bernhardt, R. (1996) Biochem. Biophys. Res. ¨ Commun. 221, 304–312] while CYP11B2 represents the aldosterone synthase gene. As no expression for CYP11B3 was detected this gene might represent a pseudogene.

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