高分求光学薄膜物理专业英语翻译有追加

76223344 2010-06-02 04:05:57 611 浏览

翻译论文摘要给出了部分关键词希望对你您有所帮助也希望您对我有所帮助呵呵部分关键字：带通滤光片近红外膜系设计短波通 ZX波长透射率 key words :pass-band optical filter； near infrared; film system design;short wave pass；centr... 翻译论文摘要给出了部分关键词希望对你您有所帮助也希望您对我有所帮助呵呵部分关键字：带通滤光片近红外膜系设计短波通 ZX波长透射率 key words :pass-band optical filter； near infrared; film system design;short wave pass；central wavelength ；transmittance 翻译正文如下：摘要：随着矿难的频频发生，瓦斯探测器的灵敏度越来越受到人们重视。本文中的红外吸收型甲烷检测仪便具有选择性强，灵敏度高等优点。其中近红外滤光片为该装置的核心部件。本文介绍了利用特征矩阵法进行薄膜设计的制作方法。采用Si和SiO2作为薄膜材料，利用ZX波长不同的长波通和短波通滤光片对接，以完成近红外波段的带通滤光片设计。该滤光片ZX波长为1651nm，并在该波长附近的透射率可达到95%。能翻多少翻多少一句也行呀呵呵 google的就免了，翻得好有追加，人格担保~~ 展开

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芊音似沫 2010-06-03 00:00:00

试试哈，仅供参考，^_^ Abstract:With the frequently collapse of mines， the sensitivity of gas detector have being worthy of our considerations. The infrared absorbed detector for methane in this article especially， the core components of this device----Near infrared optical filters， have advantages on conspicuous selections， high sensitivity and so on. What's more， here introduce the method on film system design using the characteristic matrix method. Using Si and SiO2 as the film material， we try to finish the design of the pass-band optical filter in the near infrared band， with the docking of long wave pass and short wave pass optical filter in different central wavelength. The filter's central wavelength is 1651nm， and the transmittance close to this wavelength would reach 95%.

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妞妞405972501 2010-06-03 00:00:00

Abstract: As the frequent mine disaster ， the sensitivity of gas detector has been taken more seriously. The detector intriduced here called"Infrared absorption of methane detector"，which has higher selectivity and sensitivity.Near-infrared filters is the core components of the device. The very method of Film Design in the way of Characteristic matrix is introduced in the article. It use Si and SiO2 as the film material， and the use of different center wavelength of long wave pass and short wave pass filter docking to complete the near-infrared band pass filter design. The filter center wavelength is 1651nm， and in the vicinity of the wavelength of the transmission rate of up to 95%.

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hh15204536928 2010-06-03 00:00:00

Summary: With the frequently occured Mining Accident， People pays more and more attentions to the sensitivity of gas detector. The infraredabsorption detector metioned in this article do have the advantage of better selectivity and higher sensitivity. The core component of it is the near-infrared filter. This article introduced how to use the method of Characteristic Matrix to devise film. Use Si and SiO2 as the meterial of film， butt jiont the Long wave pass and the short wave pass(which differs from the lenght of their central wave)to finish the design of pass-band optical filter with near-infrared band. The lenght of the central wave for the filter is 1651nm. And the transmittance can reach to 95% around this lenght area. key words :pass-band optical filter； near infrared; film system design;short wave pass；central wavelength ；transmittance

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羽一好710 2010-06-03 00:00:00

abstract: Abstract: As the high rate of accident in mine， the sensitivity of gas detector has been taken more seriously. The detector intriduced here called"Infrared absorption of methane detector"，which has higher selectivity and sensitivity.Near-infrared filters is the core components of the device. The very method of Film Design in the way of Characteristic matrix is introduced in the article. It use Si and SiO2 as the film material， and the use of different center wavelength of long wave pass and short wave pass filter docking to complete the near-infrared band pass filter design. The filter center wavelength is 1651nm， and in the vicinity of the wavelength of the transmission rate of up to 95%.

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彗痡衟 2010-06-04 00:00:00

专业准确，请放心。带通滤光片近红外膜系设计短波通 ZX波长透射率 key words :pass-band optical filter； near infrared; film system design; short wavelength pass；central wavelength；transmittance 翻译正文如下：摘要：随着矿难的频频发生，瓦斯探测器的灵敏度越来越受到人们重视。本文中的红外吸收型甲烷检测仪便具有选择性强，灵敏度高等优点。其中近红外滤光片为该装置的核心部件。本文介绍了利用特征矩阵法进行薄膜设计的制作方法。采用Si和SiO2作为薄膜材料，利用ZX波长不同的长波通和短波通滤光片对接，以完成近红外波段的带通滤光片设计。该滤光片ZX波长为1651nm，并在该波长附近的透射率可达到95%。 Abstract: With the frequently occurring of mine accidents the sensitivity of gas detectors is paid more and more attentions by people. The infrared absorption type methane detector presented in this paper has the features of powerful selectivity， high sensitivity， etc. In the detector the infrared filter is the core part of the device. This paper presents a fabrication method which uses Eigen Matrix method to conduct film design. The design of the band pass filter in near-infrared band is completed using Si and SiO2 as the film materials， and the butting of short- and long-wavelength pass filters which have different central wavelengths. The central wavelength of the filter is 1651nm， and transmittance around this wavelength is up to 95%.

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有关大学化学的英语翻译~进来看看。高分悬赏: 3.1敌草隆吸附等温线图 2a-c 展示了在没有控制酸碱度的情况下，活性碳在不同温度时对敌草隆的吸附量。从各图可见，它们在研究所涉及的温度范围内都很完整，覆盖至大约 55 mmol L-1的范围。在整个受测试的浓度范围内，敌草隆的吸附量都随着温度显着增加，因此... 3.1敌草隆吸附等温线图 2a-c 展示了在没有控制酸碱度的情况下，活性碳在不同温度时对敌草隆的吸附量。从各图可见，它们在研究所涉及的温度范围内都很完整，覆盖至大约 55 mmol L-1的范围。在整个受测试的浓度范围内，敌草隆的吸附量都随着温度显着增加，因此，根据观察所得，温度对敌草隆吸附能力的影响，与Z常见的吸附趋势不同。这种明显的吸热表现，是由于溶液中的敌草隆份子在温度增加时更容易出现去溶剂化的情形，因而令敌草隆份子的平面性和扩散率都有所增加[10，11，27]。在diyi次进行时，图 2a 的均衡等温线属于 L 类（更仔细而言则属 Giles 分类法中的 L-3 分类 [12]），因而显示出，敌草隆较低的水溶度和多层吸附现象令它有较好的吸附能力。该条等温线diyi部份所呈现的坡度递减，并在高处转平的情形，是大部份稀薄溶液的常见吸附情形。这个模式代表可供吸附的表面被逐渐占用。虽然等温线在高处转平所展现的饱和情况被理解为是单层吸附完成的结果，却不一定能显示出一层排列紧密的吸附物本身的序列情况。该层吸附物也可以包含有溶剂的份子和吸附物的份子群，而且，它们除了吸附在原有表面的可吸附位置之外，也可以形成一定程度的多层吸附物，或者填塞在孔洞中。当等温线在高处完全转平的时候，溶解物的浓度会随着温度而减少，即在15摄氏度和45摄氏度时，浓度分别为约45mmol L-1至约 30 mmol L-1。在过去的论文中，Fontecha-Cámara 等人 [10] 曾经报导：敌草隆在酸碱度为 7 时，对活性碳纤维和布料的吸附量呈现 L 类等温线；而 Bouras 等人 [9] 则报导敌草隆在酸碱度为 6 时，对于表面活性经过修改的柱状粘土的吸附量呈现S类等温线。因此，多层吸附物的形成，似乎是受到吸附面的性质影响，而另一项影响因素则是酸碱度对已吸附的溶解物和尚待吸附的溶解物之间互动作用的影响。展开

高分悬赏。满意追加100！！！陶瓷勺烧成方式有哪些: 想做陶瓷的勺子。。请教各位。勺子有哪些烧成方式呢？？？越多越好。。谢谢了~~~ 满意追加一百。

化学专业英语翻译不要翻译工具: D，L252单取代海因是工业生产D2氨基酸的重要前体[1～3]。海因酶具有底物特异性，D2海因酶(EC3151212)可转化外消旋的D，L252单取代海因中的D型消旋体成为D2N2氨甲酰氨基酸，剩余的L252单取... D ，L252单取代海因是工业生产 D2氨基酸的重要前体[1～3 ]。海因酶具有底物特异性，D2海因酶(EC 3151212)可转化外消旋的D ，L252单取代海因中的D型消旋体成为D2N2氨甲酰氨基酸，剩余的L252单取代海因由于完全不被 D2海因酶所作用，如图 1所示，先进行消旋，从而使得 D ，L2海因完全转化为光学纯的 D2N2氨甲酰氨基酸，并进一步被转化为D2氨基酸。因此，52单取代海因的自发消旋成为L2或D2N2氨甲酰氨基酸生产中的一个重要的步骤。若海因的自发消旋速率远低于海因水解酶的水解速率，则海因的消旋将成为D2N2氨甲酰氨基酸生产中的一个限速步骤。目前关于 52单取代海因的消旋的文献非常少，海因消旋的细节问题也没有被完全揭示。 1 材料与方法 111 实验材料 L2丙氨酸(国家生化工程ZX) 、 L2苯丙氨酸(国家生化工程ZX) 、氰酸钠(江都化工厂) ，其他试剂为国产分析纯试剂。 112 实验方法 11211 52取代海因衍生物的制备采用Henze2Speer法[4～5 ]进行52取代海因衍生物的制备: 反应温度为60～80 ℃。反应6 h后，加入盐酸酸化，继续加热 8 h ，冷却后过滤得到的固体用酒精和水的混合溶液重结晶，得到无色晶状目的产物。因使用的氨基酸不同，反应条件略有变化，产率一般为40 %～80 % ，所得的52取代海因具有和底物氨基酸相同的旋光方向。 11212 海因衍生物的消旋 a.精确称量41000 g L252甲基海因，溶解于蒸馏水中，定容至250 mL ，测定其旋光度，并以此值为未消旋化的起始数据。 b.用 6 mol/ L 的 NaOH溶液调整海因溶液 pH值达810 ，90 ℃水浴2 h ，于旋光仪上测定其旋光度。 c.同 b ，依次调节溶液pH值为710、 810、 910 ，分别测定其旋光度。 d.同 b ，依次于50 ℃水浴中及室温下恒温2 h ，分别测定其旋光度，并与起始数据对比，计算消旋比 r ( %) :r =αt/α0 ，其中αt 为 t 时间溶液的旋光度，α0为溶液初始旋光度。 11213 海因的碱解精确称量41000 g L252甲基海因，溶解于蒸馏水中，定容至 250 mL ，用 NaOH溶液和盐酸分别调至pH = 2、 8、 12 ， 90 ℃水浴反应4 h ，中间取样测定其N2氨甲酰丙氨酸浓度。 11214 海因的转化采用012 %的海因溶液，按 w (底物)∶ w (菌泥)= 1∶ 5的比例，于pH 915 ，温度40 ℃下进行转化。取样:取样10 mL ，加入 5 mL 三停止反应，摇匀，放冰箱待测。 3 结论 311 海因的消旋遵循本文所提出的碳负离子理论，其消旋过程为一级反应动力学过程。由海因消旋的半衰期可看出提高温度和pH对海因的消旋均有利，但pH过高的情况下海因则会发生碱解反应从而造成损失。 312 本文采用的海因转化酶系中所含为 D2海因酶，对D2海因的转化活性非常高，由此可见，如若采用的转化体系中没有消旋酶的存在，则海因的消旋成为海因酶转化生产光学活性氨基酸的一个限速步骤。展开

找几本化学品电子书下载地址，成功追加高分: 请各位帮忙找一下这本书的下载地址，要免费下载的，书名是（实用化学品配方手册），出版社是 “四川科学出版社”Z好能整套下载的，若找到类似的也可以，书上大概全是一些化工小配方。

材料试验机的种类和价格？（再追加高分）: 不要去百度网站搜索复制给我，也不要发个网站给我谁能给我详细资料，我重重加分‘‘‘‘如有人有这方面详细资料‘不方便写的‘‘可留下手机号联系‘我也加分‘‘‘... 不要去百度网站搜索复制给我，也不要发个网站给我谁能给我详细资料，我重重加分‘‘‘‘如有人有这方面详细资料‘不方便写的‘‘可留下手机号联系‘我也加分‘‘‘ 展开

急啊~完全看不懂内...谁来帮帮我!~ 高分追加!!: The SBSP auction has a DSE: it is a DS for each bidder to bid her own valuation. a seller without any knowledge of the valuations of any of the bidders can in fact elicit the true valuation of every bidder by using Vickrey's ingenious desig... The SBSP auction has a DSE: it is a DS for each bidder to bid her own valuation. a seller without any knowledge of the valuations of any of the bidders can in fact elicit the true valuation of every bidder by using Vickrey's ingenious design of the SBSP. The infinite-horizon alternating-offer bargaining game has a unique SPE. There is no delay in reaching agreement in this model. 请大家帮忙...请大家尽量把缩略语的全称告诉我噢! 谢谢谢谢~~ 展开

【高分】南京大学地质学专业如何?: 请全面的介绍一下，如排名，师资力量，以后考研及就业方向等等. 如果有南大的学长或老师或者是了解的人能够解答就感激不尽了.先谢过.

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