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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
At each iterate, by reduplication, crossover and mutation, a finite set of points can be used.
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Particle Swarm Optimization with Adaptive Mutation
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A new adaptive mutation particle swarm optimizer, which is based on the variance of the population's fitness, is presented in this paper.
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During the running time, the mutation probability for the current best particle is determined by two factors: the variance of the population's fitness and the current optimal solution.
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The ability of particle swarm optimization (PSO) algorithm to break away from the local optimum is greatly improved by the mutation.
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DNA duplex membrane effect for the electrochemical detection of single-base DNA mutations
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Here we report a new method to detect DNA point mutations.
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Thus, the system provides a simple and sensitive method to detect DNA point mutations without labeling targets.
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This study identified mutations of the idurnate-2-sulfatase (IDS) gene in a patient with Hunter syndrome, and established a basis for the diagnosis of the prenatal gene of Hunter syndrome.
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Polymerase chain reaction (PCR) from dried blood spots and DNA sequencing were applied to analyze hotspot mutations in exons 9,3 and 8 of the IDS gene in the proband and his parents.
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The recombinant plasmid containing mutant E83V pPIC3.5K-lip-E83V was expressed in Pichia pastoris GS115.
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Comparison experiments of the mutant PEL-E83V-GS and the wild-type PEL-GS showed that the optimum temperature (45°C) of the mutant was 5°C higher than that of the wild type.
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The thermostability of the mutant was similar to that of the wild type.
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The enzymatic activity of the mutant was 188 U/ml at 37°C, which was 80% that of the wild type in the same conditions.
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The construction and preliminary analysis of a Tn5 transposon based random mutant library of baculovirus
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Model and algorithm for optimization of rescue center location of emergent catastrophe
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We propose a mathematical model for rescue center location with the considerations of emergency occurrence probability, catastrophe diffusion function and rescue function.
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Because the catastrophe diffusion and rescue functions are both nonlinear and time-variable, it cannot be solved by common mathematical programming methods.
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On the Possibility of Flow Curve Analysis of Structured Disperse Systems Using the Catastrophe Theory
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The possibility of analyzing the processes of the formation and destruction of disperse structures under dynamic conditions was considered using concepts of synergetics and the catastrophe theory.
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