Relevant bibliographies by topics / Differential interference constrast

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Differential interference constrast'

Author: Grafiati
Published: 4 June 2021
Last updated: 21 February 2023

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Journal articles on the topic "Differential interference constrast"

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Hayden, J. H. "The application of video-enhanced constrast/differential interference constrast microscopy in conjunction with whole mount electron microscopy to the study of organelle transport." Proceedings, annual meeting, Electron Microscopy Society of America 46 (1988): 66–67. http://dx.doi.org/10.1017/s0424820100102419.

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In a previous study, Allen video-enhanced constrast/differential interference constrast (AVEC-DIC) microscopy was used in conjunction with immunofluorescence microscopy to demonstrate that organelles and vesicle move in either direction along linear elements composed of microtubules. However, this study was limited in that the number of microtubules making up a linear element could not be determined. To overcome this limitation, we have used AVEC-DIC microscopy in conjunction with whole mount electron microscopy.Keratocytes from Rana pipiens were grown on glass coverslips as described elsewher
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Su, Hongsheng, Dantong Wang, and Xuping Duan. "Condition Maintenance Decision of Wind Turbine Gearbox Based on Stochastic Differential Equation." Energies 13, no. 17 (2020): 4480. http://dx.doi.org/10.3390/en13174480.

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Maintenance decision analysis is necessary to ensure the safe and stable operation of wind turbine equipment. To address gearboxes with a high failure rate in wind turbines, this paper establishes a new stochastic differential equation model of gearbox state transition to maximize the utilization of gearboxes. This model divides the state of the gearbox into two parts: internal degradation and external random interference. Weibull distribution and polynomial approximation were used to construct the internal degradation model of the gearbox. The external random interference is simulated by Brow
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DE SILVA, T. MIHIRI M., and SOPHIA R. J. JANG. "STOCHASTIC MODELING OF PHYTOPLANKTON–ZOOPLANKTON INTERACTIONS WITH TOXIN PRODUCING PHYTOPLANKTON." Journal of Biological Systems 26, no. 01 (2018): 87–106. http://dx.doi.org/10.1142/s0218339018500055.

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We construct models of continuous-time Markov chain (CTMC) and Itô stochastic differential equations of population interactions based on a deterministic system of two phytoplankton and one zooplankton populations. The mechanisms of mutual interference among the predator zooplankton and the avoidance of toxin-producing phytoplankton (TPP) by zooplankton are incorporated. Sudden population extinctions occur in the stochastic models that cannot be captured in the deterministic systems. In addition, the effect of periodic toxin production by TPP is lessened when the birth and death of the populati
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Zhang, Hao, Lihua Dou, Chunxiao Cai, and Bin Xin. "Three-Dimensional Unmanned Aerial Vehicle Route Planning Using Hybrid Differential Evolution." Journal of Advanced Computational Intelligence and Intelligent Informatics 24, no. 7 (2020): 820–28. http://dx.doi.org/10.20965/jaciii.2020.p0820.

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Unmanned aerial vehicles (UAVs) have been investigated proactively owing to their promising applications. A route planner is key to UAV autonomous task execution. Herein, a hybrid differential evolution (HDE) algorithm is proposed to generate a high-quality and feasible route for fixed-wing UAVs in complex three-dimensional environments. A multiobjective function is designed, and both the route length and risk are optimized. Multiple constraints based on actual situations are considered, including UAV mobility, terrain, forbidden flying areas, and interference area constraints. Inspired by the
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Wang, Renqiang, Huaran Yan, Qinrong Li, Yubo Deng, and Yutong Jin. "Parameters Optimization-Based Tracking Control for Unmanned Surface Vehicles." Mathematical Problems in Engineering 2022 (March 18, 2022): 1–13. http://dx.doi.org/10.1155/2022/2242338.

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In this paper, a type of tracking controller on the basis of parameters optimization was proposed for unmanned surface vehicles (USVs). Taking into account the unique nonlinear and large inertia characteristics of USVs, an iterative sliding mode control (ISMC) was adopted to construct the controller including the USVs’ main engine speed controller to determine the longitudinal velocity and the steering controller to control the lateral displacement. In designing, the hyperbolic tangent function with the saturation characteristic is introduced to design the output feedback control law of nonlin
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Zheng, Xiaoxia, Shuai Wang, and Yiqun Qian. "Fault feature extraction of wind turbine gearbox under variable speed based on improved adaptive variational mode decomposition." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 234, no. 6 (2019): 848–61. http://dx.doi.org/10.1177/0957650919885720.

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This paper proposes a study on gearbox fault feature extraction of wind turbine under variable speed condition using improved adaptive variational mode decomposition (VMD). Frequent changes in wind speed and critical noise interference make the vibration signal exhibit non-stationary characteristics. Although computational order tracking can transform non-stationary signals in the time domain into stationary angular signals, and then extract fault features from order spectrum obtained by FFT, the obtained order spectrum is liable to be polluted by noise or to appear order aliasing. To avoid or
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Sheng, Wei, Zhengminqing Li, Hong Zhang, and Rupeng Zhu. "Geometry and design of spur gear drive associated with low sliding ratio." Advances in Mechanical Engineering 13, no. 4 (2021): 168781402110125. http://dx.doi.org/10.1177/16878140211012547.

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The relative sliding between tooth surfaces is the main cause of tooth wear and power loss, which directly affects the transmission efficiency and durability of gear. The aim of this paper is to provide a method to design such spur gear with low sliding ratio (LSR). Based on kinematics, differential geometry and contact path, the general mathematical models of the generating rack, the pinion and the mating gear tooth profiles are established in turn. Then, according to the relationship between the contact path and sliding ratio, a contact path described by a cubic function is proposed to const
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Fan, Zifu, Youpeng Tao, Wei Zhang, Kexin Fan, and Jiaojiao Cheng. "Research on open and shared data from government-enterprise cooperation based on a stochastic differential game." AIMS Mathematics 8, no. 2 (2022): 4726–52. http://dx.doi.org/10.3934/math.2023234.

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<abstract> <p>Based on the perspective of government and enterprises, we explore the cooperative strategy and cost-sharing problem of cooperative open sharing of data between government and enterprises. In order to accurately analyze the data-opening strategies of government and enterprises, stochastic differential game theory is applied to construct the Nash non-cooperative game, Stackelberg master-slave game and cooperative game models with government and enterprises as game subjects to obtain the optimal open data effort, the optimal trajectory of social data open sharing level
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Zhu, Fang-Jun, Lu-Juan Zhou, Mi Zhou, and Feng Pei. "FINANCIAL DISTRESS PREDICTION: A NOVEL DATA SEGMENTATION RESEARCH ON CHINESE LISTED COMPANIES." Technological and Economic Development of Economy 27, no. 6 (2021): 1413–46. http://dx.doi.org/10.3846/tede.2021.15337.

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In the Chinese stock market, the unique special treatment (ST) warning mechanism can signal financial distress for listed companies. In existing studies, classification model has been developed to differentiate the two general listing states. However, this classification model cannot explain the internal changes of each listing state. Considering that the requirement of the withdrawal of ST in the mechanism is relatively loose, we propose a new segmentation approach for Chinese listed companies, which are divided into negative companies and positive companies according to the number of times b
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Selçuk, Kadir, Hilal Kivrak, and Nahit Aktaş. "Novel CNT Supported Molybdenum Catalyst for Detection of L-Cysteine in Its Natural Environment." Catalysts 11, no. 12 (2021): 1561. http://dx.doi.org/10.3390/catal11121561.

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In this study, novel carbon nanotube-supported Mo (Mo/CNT) catalysts were prepared with the sodium borohydride reduction method for the detection of L-cysteine (L-Cys, L-C). Mo/CNT catalysts were characterized with scanning electron microscopy with elemental dispersion X-ray (EDX-SEM), X-ray diffraction (XRD), UV-vis diffuse reflectance spectrometry (UV-vis), temperature-programmed reduction (TPR), temperature programmed oxidation (TPO), and temperature-programmed desorption (TPD) techniques. The results of these advanced surface characterization techniques revealed that the catalysts were pre
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Dissertations / Theses on the topic "Differential interference constrast"

1

Arnison, Matthew Raphael. "Phase control and measurement in digital microscopy." Thesis, The University of Sydney, 2003. http://hdl.handle.net/2123/569.

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The ongoing merger of the digital and optical components of the modern microscope is creating opportunities for new measurement techniques, along with new challenges for optical modelling. This thesis investigates several such opportunities and challenges which are particularly relevant to biomedical imaging. Fourier optics is used throughout the thesis as the underlying conceptual model, with a particular emphasis on three--dimensional Fourier optics. A new challenge for optical modelling provided by digital microscopy is the relaxation of traditional symmetry constraints on optical design
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Arnison, Matthew Raphael. "Phase control and measurement in digital microscopy." University of Sydney. Physics, 2003. http://hdl.handle.net/2123/569.

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The ongoing merger of the digital and optical components of the modern microscope is creating opportunities for new measurement techniques, along with new challenges for optical modelling. This thesis investigates several such opportunities and challenges which are particularly relevant to biomedical imaging. Fourier optics is used throughout the thesis as the underlying conceptual model, with a particular emphasis on three--dimensional Fourier optics. A new challenge for optical modelling provided by digital microscopy is the relaxation of traditional symmetry constraints on optical design
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Book chapters on the topic "Differential interference constrast"

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Nikookar, Homayoun. "Waveform Design for Energy Efficient OFDM Transmission." In Energy Efficiency [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.100564.

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In this chapter, a green radio transmission using the binary phase-shift keying (BPSK) modulated orthogonal frequency-division multiplexing (OFDM) signal is addressed. First, the OFDM transmission signal is clearly stated. For a specified performance of the system, the least transmit power occurs by the optimal OFDM shape, which is designed to minimize the average inter-carrier interference power taking into account the characteristic of the transmit antenna and the detection process at the receiver. The optimal waveform is obtained by applying the calculus of variations, which leads to a set of differential equations (known as Euler equations) with constraint and boundary conditions. Results show the transmission effectiveness of the proposed technique in the shaping of the signal, as well as its potential to be further applied to smart context-aware green wireless communications.
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Conference papers on the topic "Differential interference constrast"

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A, Anjali, Jayamohan J, and Rageena S S. "Load-Settlement Behavior of Adjacent Strip Footings Resting on Slopes." In International Web Conference in Civil Engineering for a Sustainable Planet. AIJR Publisher, 2021. http://dx.doi.org/10.21467/proceedings.112.18.

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In many places of Kerala state the topography is sloping especially in the districts of Kottayam, Thiruvananthapuram, Kasaragod etc. A sloping ground is in unstable equilibrium, when compared with a level ground. When we construct structures on sloping ground, foundations will be placed on the slope at various levels. Applying loads on a slope of various levels may further degrade its stability and in addition, there will be interference between adjacent footings. Since the foundations are at different levels the stressed zones will overlap which may lead to differential settlement. This paper
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