查询词典 on principle

Based on the insensitive principle,cohering principle and the influence of the proportion of ingredient on the safety,a new kind of insensitive explosive is developed with PETN as primary material and with wax,polyisobutylene and black lead as desensitizers and adhesives.

充分考虑了钝感机理、粘结机理和组分配比对安全性的影响特性，研制了一种以PETN为主体，蜡、石墨、聚异丁烯为钝感剂与粘结剂的新型钝感炸药，进行了冲击波感度、机械感度以及火烤特性试验。

Basing on the variation principle of solid-fluid coupled problem,on the situation of the tank being full filled,the essential method and principle have been found by using the numerical approximation of finite element method.

在罐车满载的情况下，根据固液耦合问题的广义变分原理，使用有限元的近似数值计算方法，找到解决满载罐车液固耦合振动问题的基本方法和原理，建立铁路罐车的固液耦合问题的动力学控制方程，并通过算例验证液体对罐车耦合振动的影响，得到在工程上所需要的分析结果。

In this topic, the dynamic analysis methods for piezoelectric vibrator are studied systematically based on the theoretical model, FEM numerical experimentation and FEM governing equation for given compound-mode vibrator, and some valuable conclusions are obtained. The main work accomplished is summarized as follows: 1.Elaborate the main modeling methods for piezoelectric vibrator and the significance and necessity to study the dynamic characteristics of piezoelectric vibrator which emphasize the urgency of this paper. 2.Take the bending deformation induced by piezoelectric ceramic as example, the energy transfer mechanism of electric energy to mechanical energy are analyzed; the motion and force transfer mechanism are analyzed for the longitudinal-bending vibrator. 3.Based on mode assumption and Hamilton principle, the coupling model of piezoelectric vibrator of linear USM is built; moreover, the equivalent circuit model is obtained and a coupling equation represents the relation between electric parameters and mechanical parameters is derived which provides foundation to match the vibrator and driving circuit. 4.Combine the constitutive equation of piezoelectric ceramic with elastic-dynamical equation, geometric equation in force field and the Maxwell equation in electric field and the corresponding boundary condition equation, the FEM control equation for piezoelectric vibrator of USM to solve dynamic electro-mechanical coupling field is established by employing the principle of virtual displacement. The equation lays the foundation to study the non-linear constitutive equation of piezoelectric ceramic driven by high-power. 5.Define the dynamic indexes of characteristic of vibrator and carry out variable parameters simulation by calculating the model parameters and the electric characteristics of vibrator are simulated according to the equivalent circuit model. By numerical experimentation, the working mode of vibration of vibrator and the shock excitation results of the working frequency band which provides the mode frequency to realize bimodal are analyzed. Detailed calculation of the electro-mechanical coupling field parameters is made by programming the FEM control equation.

本课题从理论模型、有限元数值试验、有限元控制模型等方面以复合振动模式振子为例对超声电机压电振子的动力学特性及其分析方法进行了全面系统地研究，得出了许多有价值的结论，主要概括如下： 1、阐述了目前针对超声电机压电振子的主要建模方法，对压电振子动态特性的研究意义和必要性进行了论述，突出了本文研究内容的迫切性； 2、以压电陶瓷诱发弹性体发生弯曲变形为例，分析了压电陶瓷通过诱发应变来实现机电能量转换的机理；对基于纵弯模式的压电振子的运动及动力传递机理进行了分析； 3、基于模态假定，利用分析动力学的Hamilton原理，建立了面向直线超声电机压电振子的机电耦合动力学模型，并据此建立了压电振子的等效电路模型，导出了电参量与动力学特性参量的耦合方程，为压电振子与驱动电路的匹配提供了依据； 4、从压电陶瓷的本构方程出发，综合力场的弹性动力学方程、几何方程、电场的麦克斯韦方程以及相应的边界条件方程，采用虚位移原理，建立了压电振子动态问题机电耦合场求解的有限元控制方程，为研究其大功率驱动下的非线性本构模型奠定了基础； 5、界定压电振子的动力学特性指标，对压电振子的机电耦合动力学模型参数进行计算及变参数仿真；依据等效电路模型，对压电振子的电学特性进行了仿真分析；通过有限元数值实验，对压电振子工作模态附近的模态振型及工作频率附近的频段进行了激振效果分析，找出了实现模态简并的激振频率；利用有限元控制方程，通过编程计算，对压电振子的力电耦合场参数进行了详细计算，得出了一些有价值的结论。

And the solutions of the three problems above are discussed:The solution to the simulcast interfering which is caused by the simulcast delay spread and the zero-beating is given in chapter four.Based on the well understanding of the principle of MS-I/H/0 in IPNP, the examples are given in chapter five on how to solve the problem of communication interruption between paging zones.Through the analyse of signal switching between Chengdu and Deyang, the synchronization error between FLEX frames, and the bug in the multi-frequency roaming principle are pointed out. And solutions are also recommended.

通过以上分析，文章探讨了对上述三个问题的解决：·对同播干扰问题，分别分析了时延差和零拍频所造成同播干扰的客观存在，探讨了系统设计和网络优化的基本方法；·对IPNP联网障碍，提出了在掌握IPNP对各PNCC作为输入局／归属局╱输出局的灵活定义、以及相关参数配置原理的基础上，分析联网障碍的思路；·对信号切换障碍，以成都和德阳两地的局部广域覆盖为例，分析了FLEX帧失步和FLEX多频漫游原理设计缺陷的客观存在，并探讨了相关的解决方法和建议。

it is a crucial research field to realize the smart home remote control through the internet.hence,this paper analyses the composition and structure of the smart home,proposes remote monitoring program through internet for smart home,gives the smart home control terminal hardware design and implementation methods based on the microcontroller sx52,introduces the principles and processes of the control terminal software,and based on the tcp / ip protocol analysis,describes the principle and method of protocol dispose in the terminal control.this principle and method have an important reference value for the smart home system design.

摘 要：通过internet实现对智能家居的远程监控是当前技术研究的热点。为此分析智能家居系统的组成和结构，提出通过internet对智能家居系统进行远程监控的方案，给出基于微控制器sx52的智能家居控制终端的硬件设计方案和实现方法，介绍控制终端软件实现的原理和流程，在对tcp/ip协议分析的基础上，阐述控制终端中协议处理的原理和实现方法。这些原理和方法对智能家居系统的设计具有参考价值。

Analyzed the structure characteristics of the perfume cover outer shell plastics piece, described the piece's structure and work principle which model a craft and inject a mold, its principle :adopt and certainly be apart from bolt and spring coil and carry on two cents type, use inclined lead a side outside the pillar and take out heart, type the heart crest spare parts, while entering and anticipating adoption incubate the type sprinkle into anticipate a form, while opening a mold, with the ball head pull and anticipate a pole sprinkle and note system and anticipate, then make use of and take out and push plank and release a plastics piece inside a heart,use spring coil and reset first while matching a mold, then carry on willing model a beginning next time.

摘要分析了香水盖外壳塑件的结构特点，叙述了该塑件成型工艺、注射模的结构和工作原理，其原理是：采用定距螺钉和弹簧进行二次分型，用斜导柱外侧抽芯，型芯顶出零件，进料时采用潜伏式浇口进料形式，当开模的时候，用球头拉料杆把浇注系统凝料顶出，然后利用型芯内抽推板推出塑件，合模时用弹簧先复位，然后进行下一次成型开始。

Part Three The study of Lattice-valued Modal First-order Logic System and Its Resolution Principle In this part, we introduced quantifiers and predicate into LMP, put up lattice-valued modal first-order logic system LMF, and gave its semantic interpretation and syntax structure, proved soundness theorem and consistence theorem. Moreover, in order to judge the satisfiability of formula, defined Skolem standard type and H-interpretation. Based on these work, made a primary discussion of a - resolution principle based on LMF.

第三部分：关于格值模态一阶逻辑系统及其归结原理的研究第n页西南交通大学博士研究生学位论文这一部分主要是在格值模态命题逻辑系统LMP队）中引进量词和谓词，建立格值模态一阶逻辑系统LMF（广并给出其语又解释和语法结构，证明了系统的可靠性和协调性；另外，为了判断公式的可满足性，定义了格值模态一阶公式的 Skolem标准型和体解释；在此基础上，对基于系统LMF的a一归结原理进行了初步探讨。

This thesis study from the legislative evolution of our countries" death penalty application and the criminal punishment of bribery and corruption that our country"s Taiwan, think that the application of death penalty of our country"s bribery and corruption crime violate the principle of suiting punishment to crime, principle of equity have a deterrent effect to corruption, it is difficult to achieve the aim of criminal punishment totally not accord with the voice of the people of our country and legislative trend of death penalty development of international community. It is a request based on China"s current death policy to abolish death penalty application, the ear of protecting human rights the base of allow capital punishment "equitably" and on the base of ensuring international criminal judicial cooperation, and put forward the method of abolish the capital punishment suability, which should be break though

本论文从研究我国贪污贿赂犯罪死刑适用的立法沿革及国外和我国台湾地区对贪污贿赂犯罪的刑罚规定着手，认为我国贪污贿赂犯罪的死刑适用违反了罪责刑相适应原则和人人平等原则、对反腐无有效的威慑力，难以达到刑罚的目的、不完全符合我国民众的呼声及国际社会死刑发展的立法趋势，废除其死刑适用是基于中国现行死刑政策的要求、基于保障人权的时代需要、基于合理配置死刑的需要及基于国际刑事司法合作的需要，并提出了废止贪污贿赂犯罪的死刑适用的途径宜从民意、政治、法律、经济等四个方面同时进行突破，然后在此基础上笔者提出与上述问题相适应的完善贪污贿赂犯罪刑事立法与加强司法的构想，主张在立法上增设罚金刑、完善资格刑的内容、加重自由刑的适用、提高数额特别巨大的认定标准及调整量刑幅度等；在司法上坚持刑罚的必然性和及时性、提高对贪污贿赂犯罪的追究率、加大对贪污贿赂犯罪财产刑的处罚等。

The holistic design of the system and resolved the designs of software and hardware based on VXI bus are put forward according to the demand of test system. The hardware and software is designed, including the formation and design of hardware system, visual instrument software architecture, program design for instrument driver, high speed real-time data collection. In the dynamic test program, the idea of"software is instrument"was applied to meet the diverse test demands. Last, it is proposed that the VXI test system be developed to more totalization and networked. The basic theory of system identification was introduced briefly at first. The principle of spectrum analysis system identification based on Wiener-Hopf equation was expatiated. and the questions in applying Peusdo Random signal as spectrum analysis methods stimulate signal was studied, The generation principle of the peusdo random signal is researched, the characteristic of peusdo random are analyzed from time domain and frequency domain, the inverse repeat peusdo random signal is brought forward to make up the shortage of ordinary peusdo random signal. And a new chaos genetic algorithmis presented to solve the unprecise problem of the traditional method. In the servo valve dynamic characteristic test system, the spectrum analysis methods was applied successfully, the servo valve dynamic characteristic could be acquired rapidly and exactly, the test results were analyzed and the ameliorate methods were brought forward at last.

结合航天某集团液压测试中心测试系统的需求，提出了基于VXI总线的液压测试系统的整体设计方案，完成了测试系统的硬件设计与软件设计，包括硬件系统构成与设计、虚拟仪器软件结构、仪器驱动程序设计、高速同步实时数据采集等内容；以伺服阀动态特性测试为例设计了测试模块，该模块体现了VXI总线仪器软件开发所倡导的"虚拟仪器"的思想，以软件的灵活应用满足了不同的测试需求；结合自动测试系统的发展，研究了VXI测试系统与网络技术结合，实现各种软硬件资源共享，进一步提高设备及数据的利用率和系统的扩展性，使自动测试向综合化、网络化方向发展；研究了伪随机信号作为谱分析法辨识的激励信号时存在的问题，讨论了伪随机信号的产生机理，从频域和时域分析了伪随机信号的性质及其应用，提出了用逆重复伪随机信号弥补了普通伪随机信号的不足，并以混沌遗传算法对逆重复伪随机信号产生过程中的参数进行优化，可以更合理而不是凭经验产生需要的逆重复伪随机信号。

Introduced in this paper is a new method by which parameters are selected on the principle of the maximum turbine efficiency to derive a formula for the calculation of the optimal velocity ratio, and on the principle of the minimum leaving velocity loss and preventing diffusion flow to derive respectively the formulas for calculation of rational veloity ratio.

本文以涡轮效率最大的原则选参数，导出了计算最佳速比的公式；也以离速损失最小和防止扩压流动的原则选参数，分别导出了计算合理速比的公式。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。