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急!!!!!高分悬赏(100分,还可加)英文论文翻译~

SukidayoQvQ 2009-06-04 10:32:30 484  浏览
  • 标题:TwoRF/MicrowaveSoftwareProgramsUsedinTandemStreamlinetheDesignofPowerThisarticledescribesaprocedureforthedesignanddevelopmentofpoweramplifiersusingharmonic-balanced... 标题:Two RF/Microwave Software Programs Used in Tandem Streamline the Design of Power This article describes a procedure for the design and development of power amplifiers using harmonic-balanced software in tandem with impedance matching network synthesis software. For this purpose a particular design problem will be discussed. 这是文章的开头部分,还有结尾部分,如果这个文章觉得可以翻译的话,留下邮箱或qq号,我发文章过去,翻译完满意就给分,绝不含糊:) 展开

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  • 沉默小*6 2009-06-05 00:00:00
    标题:两架RF /微波软件程序一并使用简化设计的电源 本文介绍的程序设计和开发的功率放大器使用谐波平衡软件配合阻抗匹配网络综合软件。为此,特别是设计问题进行讨论。 qq:568225071

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  • 867391224 2009-06-05 00:00:00
    two 射频/微波软件程序简化功率的设计 本文介绍了设计与功率放大器阻抗匹配网络合成软件配合使用谐波平衡软件开发的程序。 为此目的将讨论特别设计的问题。

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  • lixiaoqian2571 2009-06-05 00:00:00
    这是我翻译的结果,如有不足,请多指教。 标题:两个RF /微波软件用于串联流线设计的力量 正文: 本文描述了一种程序设计和开发利用harmonic-balanced功率放大器的软件和阻抗匹配网络综合软件。为了达到这一目的,一个特别设计的问题将会被讨论。 我给你我的邮箱:www.hafuecuy@163.com

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急!!!!!高分悬赏(100分,还可加)英文论文翻译~
标题:TwoRF/MicrowaveSoftwareProgramsUsedinTandemStreamlinetheDesignofPowerThisarticledescribesaprocedureforthedesignanddevelopmentofpoweramplifiersusingharmonic-balanced... 标题:Two RF/Microwave Software Programs Used in Tandem Streamline the Design of Power This article describes a procedure for the design and development of power amplifiers using harmonic-balanced software in tandem with impedance matching network synthesis software. For this purpose a particular design problem will be discussed. 这是文章的开头部分,还有结尾部分,如果这个文章觉得可以翻译的话,留下邮箱或qq号,我发文章过去,翻译完满意就给分,绝不含糊:) 展开
2009-06-04 10:32:30 484 3
求化学英文论文(高分)
谁能给我篇 英文版的论文 三草酸合铁酸钾(potassium trioxalatoferrate)的制备与组成测定,格式标准,有翻译的加分。急!
2010-05-15 02:57:08 517 2
高分请高手帮忙翻译英文文献资料(4)
Whenliquidisheateditevaporates.Theevaporationprocessisdependentonpressure,temperatureandcompositionoftheliquidandgas.Gascanalsocondense.Inadditionthereisaconvectiveheattr... When liquid is heated it evaporates. The evaporation process is dependent on pressure, temperature and composition of the liquid and gas. Gas can also condense. In addition there is a convective heat transfer between the liquid and gas zone that must be considered. The surfaces in the gas zone also radiates from the shell to the liquid. During the blowdown process mass is usually evacuated from the gas zone, but also liquid might be released. The rate of release is dependent on density and pressure as well as the release area. As pressure and temperature change, the properties of all materials change. This has to be considered in a prediction of a blowdown process. The main purpose of a blowdown process is as earlier stated to maintain integrity of the equipment. The strength properties of the shell are the key factor on that matter. The strength is dependent on the inside pressure as well as the support forces. If the exposing forces produce stress that exceeds the ultimate tensile stress (UTS) in some regions, the integrity of the equipment is no longer maintained. In the design phase of a process plant, these aspects are crucial and must be included as a dimensional factor. For that reason prediction of the blowdown process is essential. Lately some new standards has been introduced to the industry on this matter [3] and [4]. VessFire [1] and [2] is a multi physics system designed for calculation of this kind of problems. It has been applied for some time in the oil and process industry on many projects. The system satisfies the requirements for predictions outlined in [3] and [4]. It includes all aspects described above including integrity of the shell. As part of the verification process some experiments where performed. Some of the experiments are presented here. EXPERIMENTAL STUDY The purpose of the experiments was to investigate the evaporation process and the heat transfer to the liquid and vapour. In a complex system it is important to reduce unknown parameters as far as possible. Exposure from a flame is difficult to control. Flux measurements are point values and not necessarily representative for the average exposure. In order to control the heat exposure it was decided to apply an electric heating system. The system and the verification of the system is described in [5], [6] and [8]. The furnace was built inside a supporting tube. Figure 2 shows a general arrangement of the experimental outfit. A 0.05 mm stainless steel foil formed as a tube, 300 mm in diameter, generated the heat. The power supply was based on a 3-phase alternating current system giving 48 Volt output as maximum. The top exposure had a limit of 300 kW. The foil had a surface of about 1 m2, giving a heat flux up to 300 kW/m2. The power input could be continuously regulated from zero to maximum load. Each experiment was started from zero and brought up to the required load within a few seconds. After that the surface temperature of the heating foil was kept constant during the exposure period. Experiments with both dry objects as well as water filled object were performed. In this paper only water filled experiments are presented Figure 2 General arrangements drawing of the experimental furnace including the specimen and its support Figure 3 Illustration of the heating unit. The black part is copper conductors for the foil. The grey part is the heating foil exposing the specimen. The foil is equipped with thermo-elements all marked H, except H5 which is the temperature in a copper ring and H6 which is the temperature between the insulation and the supporting tube. 展开
2009-03-12 04:13:30 489 6
高分悬赏 买个笔记本电脑
我想买个笔记本 主要选择 戴儿 HP 联想 1.价格在3000-5000 2.能玩游戏的 3.性能要好 散热啊什么的 4.售后服务好点 别买了就当没一回事了 买的时候么态度很好的 5.我根本不懂笔记本的 大家Z好详细介绍 害人的 千万别来
2009-04-20 03:41:36 350 5
高分求高人翻译植物化学英文材料,谢谢
Review Enzymatic protein hydrolysis plays a major role in various physiological processes, including digestion, and is regulated by proteinase inhibitors. Inhibitors in foods and food ingredients can reduce the absorption of free amino aci... Review Enzymatic protein hydrolysis plays a major role in various physiological processes, including digestion, and is regulated by proteinase inhibitors. Inhibitors in foods and food ingredients can reduce the absorption of free amino acids, and can impair protein hydrolysis in industrial processes. However, inhibitors can be useful tools in pest control, in the prevention and treatment of diseases such as cancers and AIDS, and in the elimination of unwanted proteinase activity in food processes. Proteinase inhibitors are also useful biochemical tools for studying proteinase classes and specificities. This article discusses how proteinase inhibition is involved in some processes of current interest to food scientists and technologists. Enzymatic protein hydrolysis is a major concern for biological scientists. The hydrolysis of proteins is catalyzed by peptide-bond-splitting enzymes (Box 1). Proteinases and peptidases are involved in the hydrolysis of protein during digestion, and have important roles in physiology and pathology. Enzymatic protein hydrolysis is controlled in several ways, including by the use of specific inhibitors (Box 2). Proteinase inhibition is a common process in nature. Proteinase-inhibitor interactions are involved in protein digestion, various physiological processes (e.g. blood coagulation, fibrinolysis, complement activation and phagocytosis), pathological processes (e.g. cancers and hypertension) and infection Another natural method of controlling proteinase activity is the synthesis of an inactive form of the enzyme, the zymogen. Zymogens are activated, usually by the action of another proteinase, in the digestive system and also during regulatory physiological processes. When an enzyme is in its active form, proteinase inhibition is an exquisite means of enzyme control in physiological processes, which is achieved by highly specific inhibitors. The importance of the control of proteolytic activity by inhibitors in physiological processes is demonstrated by the fact that inhibitor molecules exceed 10% of the total protein in human plasma. The fact that the control of proteolysis by inhibitors is so specific makes it a valuable tool in medicine, agriculture and food technology. The human immune deficiency virus proteinase, the digestive systems of crop pests, and fish muscle proteases are some examples of targets for study. Most organisms produce proteinase inhibitors as a means to control proteolytic processes.Some organisms store huge amounts of inhibitors, for example legume seeds and some leaves. This seems to be an evolutionary response to predation. Inhibitors for digestive proteinases in food and feed Some food ingredients contain so-called antinutritive factors: lectins, phenols, and other factors, including certain proteins that inhibit proteinases. The presence of proteinase inhibitors in living tissues seems to be a natural regulatory process 展开
2008-06-05 11:17:05 376 2
高手帮忙翻译一工科英文!!高分大谢!
Figure 2 SEM micrographs of worn seat insert surface of engine #6175 after 1474 hours of testing. The arrows and labels indicate the locations of EDX analysis. The same adhesion phenomenon occurs on the valve seat surfaces. Figure 4 show... Figure 2 SEM micrographs of worn seat insert surface of engine #6175 after 1474 hours of testing. The arrows and labels indicate the locations of EDX analysis. The same adhesion phenomenon occurs on the valve seat surfaces. Figure 4 shows SEM micrographs of the worn exhaust valve seat surface of engine #6175 after 1474 hours of testing. The valve material is Stellite 6 faced 23-8N (solution treated and aged). The arrows in Figure 4b indicate the locations of EDX analysis. Note the pits and deposits on the worn seat surface. Figures 5a shows the EDX spectrum of spot A on Figure 4b showing adhered insert material. Note molybdenum and manganese in the spectrum. Figure 5b shows the EDX spectrum of spot B in Figure 4b showing both adhered insert material and oil deposits. Note molybdenum., phosphorous, chlorine, calcium, and zinc in the spectrum. Other valves from different engines labeled as "adhesion" in Table 2 share this typical adhesive phenomenon. The adhesive wear mode appears to predominate at valve seat interfaces with high asperity contact stresses or high combustion pressure. The surface roughness can contribute to adhesion significantly. Valves faced with Stellite alloy show less adhesive wear than unfaced valves, Table 2. The presence of high melting point phases, such as carbide or ceramic compounds in the contacting materials is believed to help prevent microwelding or adhesion related wear. Shear strain, also known as radial flow, is defined as the first derivative of the displacement, i.e., . Figure 6 [8]. Shear strain controlled wear can characterized as a surface plastic deformation process. The wear is the result of the shear strain on the seat surface exceeding the plasticity limit of the material. The material is then detached or delaminated from the seating surface as wear particles. The typical appearance of shear strain controlled wear are ridges and/or radial flow of material on valve seats and inserts. Shear strain controlled wear sometimes is associated with adhesion. 展开
2009-02-19 16:10:31 356 1
迈克尔逊干涉仪测空气折射率公式 急!!!高分悬赏
就是里面 压强,折射率,光程差变化等等的关系
2017-03-06 09:46:18 291 1
毕业论文《基于DSP的余弦信号发生器》 急求!高分悬赏!!!!!!!!
希望按照毕业论文的格式,必须有程序可以运行出来,好的话可以出更高分悬赏!... 希望按照毕业论文的格式,必须有程序可以运行出来,好的话可以出更高分悬赏! 展开
2010-03-21 10:32:52 498 1
论文翻译,急啊,就这么多分了啊
Characterization. X-ray powder diffraction (XRD) pattern of the products was recorded on a Rigaku (Japan) D/max-çA X-ray diffractometer equipped with graphite monochromatized Cu KR radiation (ì ) 1.54178 Å). The transmissio... Characterization. X-ray powder diffraction (XRD) pattern of the products was recorded on a Rigaku (Japan) D/max-çA X-ray diffractometer equipped with graphite monochromatized Cu KR radiation (ì ) 1.54178 Å). The transmission electron microscopy (TEM) images and selected-area electron diffraction (SAED) patterns were captured on a Hitachi model H-800 instrument at an accelerating voltage of 200 kV. High-resolution transmission electron microscopy (HRTEM) images and SAED patterns were obtained on JEOL-2010 transmission electron microscope at an accelerating voltage of 200 kV. The Raman spectrum was recorded with a LABRAM-HR confocal Laser MicroRaman spectrometer with 514.5 nm radiation from an argon laser at room temperature. X-ray photoelectron spectra (XPS) were obtained from an ESCALAB MK II X-ray photoelectron spectrometer by using nonmonochromatized Mg Kα X-ray as the excitation source with an overall energy resolution of 1.0 eV. 展开
2009-06-01 14:19:06 406 1
急求翻译 请帮忙翻译一下这篇英文资料,急用!!!!
Wells-BrookfieldCone/PlateRapidDeterminationOfAbsoluteViscosityIntroductionTheWells-BrookfieldCone/PlateViscometergivesresearchersasophisticatedinstrumentforroutinelydete... Wells-Brookfield Cone/Plate Rapid Determination Of Absolute Viscosity Introduction The Wells-Brookfield Cone/Plate Viscometer gives researchers a sophisticated instrument for routinely determining absolute viscosity of fluids in small sample volumes. Its cone and plate geometry provides the precision necessary for development of complete rheological data. Principle of Operation The Wells-Brookfield Cone/Plate Viscometer is a precise torque meter which is driven at discrete rotational speeds. The torque measuring system, which consists of a calibrated beryllium-copper spring connecting the drive mechanism to a rotating cone, senses the resistance to rotation caused by the presence of sample fluid between the cone and a stationary flat plate. The resistance to the rotation of the cone produces a torque that is proportional to the shear stress in the fluid. The amount of torque is indicated either on a dial or digital display, depending on model. This reading is easily converted to absolute centipoise units (mPa.s) from pre-calculated range charts. Alternatively, viscosity can be calculated from the known geometric constants of the cone, the rate of rotation, and the stress related torque. See Range Tables The correct relative position of cone and plate is obtained by following a simple mechanical procedure without the need for external gauges or supplementary instrumentation. The stationary plate forms the bottom of a sample cup which can be removed, filled with .5 ml to 2.0 ml of sample fluid (depending on cone in use), and remounted without disturbing the calibration. The sample cup is jacketed and has tube fittings for connection to a constant temperature circulating bath. The system is accurate to within ?.0% of the working range. Reproducibility is to within ?.2%. Working temperature range is from 0oC to 100oC. 展开
2018-11-17 09:10:28 409 0
高分急求~ 有关化学的论文~5000字以上~~
要一篇有关化学的论文,关于化学的任何方面都OK~字数是越多越好,5000字为底线~谢谢啦~... 要一篇有关化学的论文,关于化学的任何方面都OK~字数是越多越好,5000字为底线~ 谢谢啦~ 展开
2010-06-02 01:08:17 508 3
【100分】在线等!!!! 急求一篇关于【传感器的论文】3000字
先说明该传感器是什么传感器,原理是什么,应用在哪些方面。你们有什么问题可以问。3000字!论文。传感器是检测方面的,是工科,不涉及生物。只说一种传感器。... 先说明该传感器是什么传感器,原理是什么,应用在哪些方面。你们有什么问题可以问。3000字!论文。 传感器是检测方面的,是工科,不涉及生物。只说一种传感器。 展开
2008-12-17 22:47:24 331 1
帮我翻译一段关于做蛋糕的英文,谢谢,急用!!!!!!高价悬赏~
heat oven as directed below (metal or glass pan).(or use cooking spray)bottom of pan.stin brownie mix water oil and eggs in medium bowl until well blended.spread in pan. bake as directed below or until toothpick inserted 2inches from of ... heat oven as directed below (metal or glass pan).(or use cooking spray)bottom of pan.stin brownie mix water oil and eggs in medium bowl until well blended.spread in pan. bake as directed below or until toothpick inserted 2inches from of pan comes out almost clean;cool.store tightly covered. 展开
2010-03-23 00:00:10 591 4
农业机械化论文,高分求助
 
2012-02-24 16:37:31 314 2
翻译以下英文:
The standard error of the mean (SEM) is a measure of how far your sample mean is likely to be from the true population mean. The SEM is calculated by this equation:SEM=SD/N. With large samples, the SEM is always small. By itself, the SEM i... The standard error of the mean (SEM) is a measure of how far your sample mean is likely to be from the true population mean. The SEM is calculated by this equation:SEM=SD/N. With large samples, the SEM is always small. By itself, the SEM is difficult to interpret. It is easier to interpret the 95% confidence interval, which is calculated from the SEM. 展开
2007-11-15 02:56:39 481 3
挤出机英语翻译。。。在线等。高分悬赏
Simplified Flow Theory for Screw Extruders The flow behavior of a viscous liquid in the channel of an extruder screw is shown to be similar to the flow behavior of viscous liquids between infinite parallel plates, one of which is station... Simplified Flow Theory for Screw Extruders The flow behavior of a viscous liquid in the channel of an extruder screw is shown to be similar to the flow behavior of viscous liquids between infinite parallel plates, one of which is stationary and the other moving. Assuming Newtonian behavior of the liquid, a differential equation was derived which relates the rate of extrusion and the die pressure to the screw and die geometry and to the operating variables. Integrated flow equations are given for the special case in which the viscosity of the liquid is constant throughout the screw channel (isothermal extrusion). Equations are also given for the case in which the dimensions of the screw channel are functions of their position along the length of the screw. IN THE preceding paper ( 1 )o f this symposium the literature pertaining to the problem of viscous flow in extruders was reviewed. In this paper the development of simplified but more useful flow equations is presented. The synibols and nomenclature used in this paper are defined in the preceding paper (1). The flow mechanism of the viscous liquid in the helical channel of the screw can be better understood if one imagines that the channel be unrolled and laid out on a flat surface. Figure 1 shows this concept of the screw channel. If the lower plate, representing the screw surface, is held stationary and the upper plate, representing the barrel surface, is moved in the direction of the arrow, the relative motions will be the same as those existing in an extruder where the barrel is stationary and the screw rotates. Assuming that the liquid wets both surfaces, the motion of the barrel drags the viscous liquid along with it, while the stationary plate exerts an equal and opposite drag. The velocity of the liquid, relative to the screw, is a maximum at the barrel surface and zero at the screw surface. There is also a directional factor involved, since the channel is inclined at angle p to the direction of motion. Therefore, in computing the flow rate in the channel we break up the velocity into two components: one of these acts directly down the channel, and the other acts at right angles to it. We call the component which acts down the channel drag velocity, and the component which acts at right angles to this transverse velocity. At the end of the channel there is generally a die or some other restriction to flow. This sets up a pressure gradient down the channel causing a flow in the reverse direction to the drag flon. There is one other flow that must be considered. Generally the screw does not fit perfectly inside the barrel. In other words, there is a clearance between the top of the screw threads and the barrel surface. 展开
2009-03-29 12:37:44 573 2
高分求高手翻译,不要机械翻译
Bimetallic dendrimer-encapsulated nanoparticles(DENs)are important materials,because they have demonstrated improvement in performance compared to the monometallic DENs in many systems when they are used as catalysts.This tutorial review fo... Bimetallic dendrimer-encapsulated nanoparticles(DENs)are important materials,because they have demonstrated improvement in performance compared to the monometallic DENs in many systems when they are used as catalysts.This tutorial review focuses on the recent research advances in bimetallic DENs with respect to their synthesis,characterization,and applications as catalysts.Bimetallic DENs can be made mainly via three routes:co-complexation,sequential loading,and partial displacement.The research in bimetallic DENs has been significantly promoted by the advancement of characterization instruments.The performances of bimetallic DENs as homogeneous and heterogeneous catalysts in organic synthesis have been compared with both monometallic DENs and their physical mixtures.It is concluded that the synergistic electronic effect in bimetallic nanoparticles enhances their catalytic activities. 能翻译多少都可以的 展开
2009-03-24 13:04:22 309 2
各位大神,麻烦帮小弟翻译,急,在线等。。。。论文,不要机器 翻译的
本文采用氧化还原法制备了具有较高增强因子的银溶胶,以该银溶胶为活性基底,研究了L-苯丙氨酸(L-Phe)的表面增强拉曼光谱(SERS)。同时分析了L-Phe在银溶胶中的吸附状态及其与银溶胶的相互作用。研究结果表明:(1)L-Phe分子中的羧基、芳环或杂环、氨基和... 本文采用氧化还原法制备了具有较高增强因子的银溶胶,以该银溶胶为活性基底,研究了L-苯丙氨酸(L-Phe)的表面增强拉曼光谱(SERS)。同时分析了L-Phe在银溶胶中的吸附状态及其与银溶胶的相互作用。研究结果表明:(1)L-Phe分子中的羧基、芳环或杂环、氨基和银溶胶发生了吸附作用,因而表现出表面增强拉曼效应;(2)与其常规拉曼光谱相比,SERS峰强和峰位均有一定变化;(3)L-Phe浓度为2×10-5~1×10-2mo1/L 范围,其SERS强度呈先增大后减小的变化趋势,当浓度为1×10-3mo1/L时的SERS强度Z大。 本论文为了解氨基酸在银溶胶中的SERS增强机制与规律提供,为更深入的进行氨基酸乃至生物大分子的SERS奠定了基础 展开
2011-06-19 10:06:36 234 1
急!!labview 英文帮助的翻译 只要信号发生器和示波器
跪求哪位大侠给个labviewHTL帮助的翻译,只要信号发生器和示波器的部分!!在线等!有的直接发到我邮箱,小弟不胜感激!lennon868@tom.com不弄这个HTML的了,只要是说LABVIEW信号发生... 跪求哪位大侠给个labview HTL帮助的翻译,只要信号发生器和示波器的部分!!在线等! 有的直接发到我邮箱,小弟不胜感激! lennon868@tom.com 不弄这个HTML的了,只要是说LABVIEW信号发生器方面的文献就行,中文5000字左右 没人能给吗。。。无奈啦,呼唤哪位大侠来拯救下 有的直接发我邮箱,立马加分 展开
2009-06-06 02:42:36 382 1

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