以及
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A low minimum operating supply voltage of 2.9V, and a low shutdown quiescent current of less than 1μA, make the LT3757 ideally suited for battery-operated systems.The LT3757 features soft-start and frequency foldback functions to limit inductor current during start-up and output short-circuit.The device is available in a small 10-lead DFN (3mmx 3mm) or MSOP package.
本文介绍了LT3757主要特性,方框图以及典型应用电路,包括高效升压转换器, 3.3V输入,5V/10A输出升压转换器, 8-16V输入24V/2A输出升压转换器,高压反激电源电路,以及5.5V-36V输入,12V/2A输出SEPIC转换器和非绝缘的反相SLIC电源。
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Lasers characteristic as a shock wave drive and the advantages of KrF laser are explained. Finally, the progress at home and abroad is enumerated.In chapter two, the basic principle of the EOS study is introduced. Specially, the impedance mismatch effect of the double-layer flyer is mentioned here. It is the primary theoretical basis of this paper.In chapter three, a one-dimension, three-temperature hydrodynamic code HYADES is introduced briefly. it is used to make a qualitative analysis about how the thickness of ablator affect the flyer velocities and stability.In chapter four, the experimental setup is described.
第一章为绪论部分,简要总结了状态方程研究的历史,激光作为冲击波驱动源的特点和KrF激光的优势,以及国内外的进展情况;第二章是本工作的理论基础,讨论了冲击波物理和雨贡纽曲线测量的基本原理和方法,重点介绍了激光飞片法的特点、关键要素和双层飞片的阻抗失配效应,鉴于KrF激光短波长和长脉宽的特点,我们拟对双层飞片的特性展丌研究工作,为实测状态方程做好准备;第三章简单介绍了一维三温流体力学数值模拟程序Hyades并运用它进行了若干状态方程实验的计算和设计,进行了烧蚀层厚度对飞片速度、稳定性的影响的定性分析;第四章是实验平台描述部分,介绍了光束平滑化技术,靶的制作,条纹相机的原理和使用,系统同步控制以及光学记录速度干涉仪系统的简单原理和构成。
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Laser's characteristic as a shock wave drive and the advantages of KrF laser are explained. Finally, the progress at home and abroad is enumerated.In chapter two, the basic principle of the EOS study is introduced. Specially, the impedance mismatch effect of the double-layer flyer is mentioned here. It is the primary theoretical basis of this paper.In chapter three, a one-dimension, three-temperature hydrodynamic code HYADES is introduced briefly. it is used to make a qualitative analysis about how the thickness of ablator affect the flyer velocities and stability.In chapter four, the experimental setup is described.
第一章为绪论部分,简要总结了状态方程研究的历史,激光作为冲击波驱动源的特点和KrF激光的优势,以及国内外的进展情况;第二章是本工作的理论基础,讨论了冲击波物理和雨贡纽曲线测量的基本原理和方法,重点介绍了激光飞片法的特点、关键要素和双层飞片的阻抗失配效应,鉴于KrF激光短波长和长脉宽的特点,我们拟对双层飞片的特性展丌研究工作,为实测状态方程做好准备;第三章简单介绍了一维三温流体力学数值模拟程序Hyades并运用它进行了若干状态方程实验的计算和设计,进行了烧蚀层厚度对飞片速度、稳定性的影响的定性分析;第四章是实验平台描述部分,介绍了光束平滑化技术,靶的制作,条纹相机的原理和使用,系统同步控制以及光学记录速度干涉仪系统的简单原理和构成。
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The G10 Series is also Full HD and features panels Panasonic calls NeoPDPs, which combine improvements in materials and processes, discharge gas and cell design, and circuit and drive technology, to provide twice the luminous efficiency and improved energy efficiency. The G10 Series also incorporates a 600HZ Sub Field Drive, 2,000,000 :1 dynamic contrast ratio and design improvements, such as an AR Filter and swivel stand.
同样为全高清设计的G10系列配有松下的新型配电等离子板,这个系列产品融合了在材料、制作工艺、废气排放、元件设计、电流电路以及驱动技术上的改良,将会提供加倍的发光效率和能源应用效率。G10系列同时还采用了600HZ的次场界驱动,2,000,000:1的动态对比率以及自回朔滤波器以及旋转式操作台等设计方面的改良。
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From the burden increased aspect clarify set upthe necessity of station, then pass to drew up to set up generalizeof transformer substation and line direction to consider, and passto analysis of carry the data, safety, economic and dependableconsider and made sure the 110 kV, 35 kV, 10 kV and station useelectricity of lord connect line, then again through burdencalculation and power supply scope made sure main number, capacityand model number of the transformer set, also in the meantime makesure the station uses capacity and model number of transformer,end, according to biggest keep on work electric current and shortcircuit calculating of calculation result, to the high pressureRong break a machine, insulate a switch, female line, insulate sonand wear a wall set tube, electric voltage with each other feelingmachine, electric current with each other the feeling machinecarried on choose a type, thus completed a 110 kV electricity apart of design.
本文首先根据任务书上所给系统与线路及所有负荷的参数,分析负荷发展趋势。从负荷增长方面阐明了建站的必要性,然后通过对拟建变电站的概括以及出线方向来考虑,并通过对负荷资料的分析,安全,经济及可靠性方面考虑,确定了110kV ,35kV ,10kV 以及站用电的主接线,然后又通过负荷计算及供电范围确定了主变压器台数,容量及型号,同时也确定了站用变压器的容量及型号,最后,根据最大持续工作电流及短路计算的计算结果,对高压熔断器,隔离开关,母线,绝缘子和穿墙套管,电压互感器,电流互感器进行了选型,然后进行配电装置和平面布置的设计以及防雷的设计,从而完成了110kV 电气一次部分的设计。
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And he also deduces the complete systemic universal theory that the comic's circling movement from the ancient and it graduated layer upon layer and to evolve from the beginning to the end, and grow out of nothing empty to solid; and the universe formula:E = mn1+n2+…nn + mc2 ;and the truth of the gravitation origin; and the extragalactic nebula red shift phenomenon is the result of its galaxy quality structure and the magnitude characteristic attraction, mutually by no means was far away but explodes, and he obtained the universe theory different from the large explosion completely. At the same time it will explain the abstract cultural natural sciences knowledge truth secret something like: Pan-Gu heaven and earth, the River-Chart and the Luo-River-Book, primal chaos and Yi Gua, the profound and abstruse principles of Daoism, the symbolism number of Yi-ology and so on, and it is so broad and profound mystical that it is to be lost many years in Chinese eternity civilization. Then, he establishment the law of myriad things with one method; and deciphered the method that CongzhiZu instantaneously obtained the girth quotient density earlier near millennium than the European at the Han Dynasty, and broke the misunderstanding that all to think he has use shearing the round technique method in the world; and expounded the Pan Gu truth that the world occurs and forms with, broke the thought Pan Gu was the god superstition which the folk spread; and has cleared the-River-Chart and Luo-river-book is the nature objective reflection appearance of the universe transportation principle; and has opened the universe code numeral secret; and explained the scientific truth Fu Xi drawing the ancient divination symbol, furthermore, the writer has drawn all the ancient divination symbol order orientation diagram that had lost the thousands years of the pre-heaven Lian-shan, the midst Gui-cang, the after earth Qian-kun,and the after heaven Zou-Yiology. Through the universe laws and regulations law of from the beginning to the ultimate and myriad things all out of Pangu River-chart Luo river book primal chaos, explained thoroughly the digital code of the universe myriad things' transports and constitution. The digital code only a digital odd and even, but the binary system code deduced the world myriad things' number.
推论出宇宙万物从无到有、由虚化实、由始到终、从一到万、盘旋古衡地层层量级运动演化完备系统的万有理论;推算出了宇宙万有品质及能量公式 E = mn1+n2+…nn +mc2;论述了万有引力、磁力、电流、微观中的强力弱力诸能量的由来,以及宇宙万有物质和三大力等统一为一体的道理;推论出一切物质构成存在皆是能量结晶体,得出&一切物质皆是能量实在&,&物质本身即是能量&的理论;讲明了银河外星系的红移现象是其盘旋圆合成的星系巨大品质结构和量级特性的引力所致,并非相互远离而爆炸,得出了与大爆炸完全不同的理论;同时破解了中国博大精深神秘玄奥的华表准天、八节太极、弇兹九宫、盘古天地、河图洛书、太极易卦、天机道秘、象数彖爻等自然科学知识道理奥秘;释解并创立了万物同准法理论;解密了古代祖冲之早於欧洲近千年,瞬间得出圆周率密率的方法,打破了世界上都认为密率是用割圆术等推算出的误解;阐明了盘古天地发生形成的宇宙自然之道,以及日晷观天历纪二十四节气等等,许多天地万物万事的科学同准方法,揭秘了认为盘古是民间流传的神话迷信;理清了河图洛书是天地垂象万物负图之客观自然规律出现的宇宙物有运化成物的基本道理的数理定律;解开了现代专家教授都迷惑不解的太极易卦天地编码万物数理秘密;释解了伏羲画卦的科学道理,把失传数千年的先天连山易、中天归藏易、后地乾坤形易以及后天周易的遗失卦象次序方位数学矩阵图全都补画出来;通解了宇宙天地万有运化构成的基因数码,只用一这个最简单元始数字,奇偶一二进位地组成编码天地数字推演万物。
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To this end, the use of MCS-51 series AT89C51 single-chip device designed as the central traffic light control circuit, with a total of cathode seventh time the digital display module, the traffic light display module, transfer module, crystal oscillator circuit, reset circuit and control circuit 8051 in accordance with the actual traffic flow through the port P3 chip set red, green and double-time to kindle a digital countdown display,The turn of the three colors of lights and emergency lighting in case of interruption of processing.
为此,采用MCS-51系列单片机AT89C51为中心器件来设计交通灯控制电路,配以七段共阴极数码管显示时间的显示模块,交通灯显示模块,调时模块,晶振电路,复位电路以及控制电路,实现根据实际车流量通过8051芯片的P3口设置红、绿灯燃亮时间以及双位数码管显示倒计时,三种颜色灯交替点亮以及紧急情况下的中断处理功能。
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To this end, the use of MCS-51series AT89C51 single-chip device designed as the central trafficlight control circuit, with a total of cathode seventh time thedigital display module, the traffic light display module, transfermodule, crystal oscillator circuit, reset circuit and controlcircuit 8051 in accordance with the actual traffic flow through theport P3 chip set red, green and double-time to kindle a digitalcountdown display,The turn of the three colors of lights andemergency lighting in case of interruption of processing.
为此,采用MCS-51系列单片机AT89C51为中心器件来设计交通灯控制电路,配以七段共阴极数码管显示时间的显示模块,交通灯显示模块,调时模块,晶振电路,复位电路以及控制电路,实现根据实际车流量通过8051芯片的P3口设置红、绿灯燃亮时间以及双位数码管显示倒计时,三种颜色灯交替点亮以及紧急情况下的中断处理功能。
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Their names became attached to the days of the week: Sunday (dies solis,"Sun's day"), Monday (dies lunae,"Moon's day"), and Saturday (dies Saturni,"Saturn's day") retain their names derived directly from the Roman culture, and Tuesday ("Tiw's day"), Wednesday ("Woden's day"), Thursday ("Thor's day"), and Friday ("Frigg's day") are derived from the Germanic equivalents of Mars, Mercury, Jupiter, and Venus, respectively.
他们的名字已成为附一周的天数:周日(模具Solis表示,&太阳节&),周一(模具lunae ,&月亮节&),以及周六(模具saturni ,&土星上的一天&)保留自己的名字直接源自罗马的文化,以及周二,周三(& woden的一天&),周四,以及周五,都源自于日耳曼等值的火星,水星,木星,和金星。
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Their names became attached to the days of the week: Sunday (dies solis,"Sun's day"), Monday (dies lunae,"Moon's day"), and Saturday (dies Saturni,"Saturn's day") retain their names derived directly from the Roman culture, and Tuesday ("Tiw's day"), Wednesday ("Woden's day"), Thursday ("Thor's day"), and Friday ("Frigg's day") are derived from the Germanic equivalents of Mars, Mercury, Jupiter, and Venus, respectively.
他们的名字已成为附一周的天数:周日(模具Solis表示,&太阳节&),周一(模具lunae ,&月亮节&),以及周六(模具saturni ,&土星上的一天&)保留自己的名字直接源自罗马的文化,以及周二,周三(& woden的一天&),周四,以及周五,都源自於日耳曼等值的火星,水星,木星,和金星。
- 推荐网络例句
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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.
同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。
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Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.
运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。
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If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.
如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。