The quantity risk assessment ( QRA) method which can improve the reason of human's behavior is able to quantify the risk in dangerous goods transportation on road, so that the level of risk management can be improved.

1、

This paper establishes the mathematical model of quad redundant actuator ( QRA), investigates the force equalization algorithm and carries out the performance degradation simulation and reliability analysis under the first failure and the second failure.

在建立四余度舵机数学模型的基础上，研究了力均衡算法，对四余度舵机一次故障、二次故障情况下的性能降级和可靠性进行了仿真分析。

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2、

The results indicate that the optimal equalization algorithm can solve the force fighting effectively, and the QRA can operate at degradation performance continuously under the first failure and the second failure.

仿真结果标明，优化的力均衡算法可以有效解决力纷争的问题，四余度舵机可以在一次故障、二次故障的情况下持续工作。

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3、

In this thesis, a QRA model of fixed platform is established for analyzing the structure failures induced by the extreme sea loads.

文中主要针对浅海固定式平台结构系统的风险，建立了定量风险评价的模型。

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4、

The basic principles and general process of quantitative risk analysis ( QRA) for oil and gas pipeline failure were introduced.

介绍了油气管道泄漏事故定量风险评价的基本原则和一般步骤。

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5、

Critical points of QRA application in the engineering design of large-scale petrochemical projects

大型石化项目设计应用QRA技术要点

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6、

That's about ten seconds more than the industry average-and a lot slower than a decade ago, according to the study, which was commissioned by QSR, an industry trade publication.

这比行业平均时间多出10秒——由行业刊物《QSR》委托进行的研究表明，这比十年前慢了很多。

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7、

After dozens of years development, the qualitative spatial reasoning ( QSR) has become a very important research area in artificial intelligence.

经过十余年的发展，定性空间推理（Qualitative Spatial Reasoning，QSR）已成为人工智能的一个重要研究领域。

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8、

Domestic QSR growth: the QSR market in the USA is growing?

7.美国国内快餐店相关业务的增长：美国的快餐行业市场在不断发展？

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9、

Qualitative spatial reasoning ( QSR) is an important component of qualitative reasoning and spatial reasoning.

定性空间推理是定性推理和空间推理的重要组成部分。

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10、

Topology and shape are key problems in QSR research.

拓扑和形状是定性空间推理研究的关键问题。

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11、

Compared to conventional hard-switched converters with fixed switching frequencies, the quasi-resonant converter ( QRC) topology is a very attractive alternative for power supply designers.

相对于拥有固定开关频率的传统硬开关转换器，准谐振变换器技术更有吸引力。

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12、

A reduced-order model and a full-order circuit model for frequency modulation ( FM) quasi-resonant converters ( QRC) are introduced.

提出了调频准谐振变换器的降阶及全阶模型（第七章）。

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13、

An improved zero-current-switched ( ZCS) quasi resonant converter ( QRC) using a saturable inductor

一种非线性零电流准谐振变换器

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14、

Modeling and simulating for zero-current-switching ( ZCS) quasi-resonant ( QRC) converters based on MATLAB

基于MATLAB的对零电流开关（ZCS）准谐振变换器（QRC）的建模与仿真

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15、

The paper presents a method to obtain and optimize the parasite parameters of the PCB in HB QRC converter for better EMC performance.

为改善印刷电路板线路的电磁干扰性能，提出了一种半桥准谐振变换器印刷电路板寄生参数的提取及优化的方法；

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16、

Based on the basic principles and market needs, A QRC chip& FT8401 was designed. The paper gave the circuit implementation process details.

根据基本原理和市场需求，设计了一款准谐振控制芯片FT8401，并详细介绍了电路的实现过程。

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17、

A ZCS QRC BUCK circuit with nonlinear inductor is proposed.

提出一种采用非线性电抗器的ZCS－QRC电路。

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18、

Through comparing analysis of the simulation results, the limitation of QSS simulation and the applicability of FHD simulation are proved.

通过对仿真结果进行对比分析，证实了QSS仿真的局限性和FHD仿真的适用性。

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19、

The first one is a ( n-1, n) threshold QSS protocol based on entanglement swapping.

第一种是基于纠缠交换的（n-1，n）门限量子秘密共享。

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20、

The QSS converter model in account of unsymmetric commutating voltages is developed for DC system.

对直流系统开发了计及换相电压不对称的QSS换流器模型。

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