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On the basis of atmospheric corrosion analysis and on the premise of unaltered originappearance of metal antiquity, a novel systematic technology of rust stabilized conversion and corrosioninhibition for archeological iron was developed in this thesis. Model occulted corrosion cell was used to studythe formation of bronze powder rust, its characteristics of pit corrosion and effect factors. The filmingtreatment of azoles composite corrosion inhibitors was used to prevent silver tarnishing, and its anti-tarnishingmechanism was proposed by measurement of electrochemical techniques and Surface-enhanced Ramanscattering.
在不改变文物原状的前提下,本文基于对金属质文物大气腐蚀过程的分析,发展了一种新的铁器文物表面锈层稳定转化与缓蚀保护的系统处理方法,用&模拟闭塞电池&的方法研究青铜器文物&粉状锈&的形成、点蚀特征和影响因素,采用唑系复合缓蚀剂成膜处理技术防止银器文物变色,利用电化学方法、SERS等方法研究并提出了唑系复合缓蚀剂防银变色的作用机理。
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It is suggested that tools that understand schemas be used to generate logic that populates the structures used to make the API calls against UDDI.
建议使用能用于生成模式逻辑结构的工具来理解模式,以更快地熟悉用于调用操作入口站点的api中使用的xml 结构。
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MATLAB/SIMULINK is a kind of dynamic simulation software, which can be used to speed up the building of the HILSS. In this paper, it is used as a prejudging tool to test the possibility of some simplification in the models.
动态仿真软件MATLAB/SIMULINK能够利用图形化模块进行快速的建模仿真,这对于加速仿真系统的构建,对所建模型进行可行性预测可起到很好的作用。
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The stress analysis and the fatigue life loss calculation of steam drum are carried out in this article. A simplification formula is proponed to calculate the main stress and is used in configuration of DCS. The rain-flow method is used to count the fatigue cycle, which can satisfy the need of on-line monitoring.
本文对其进行了应力分析和疲劳寿命损耗的计算,并提出主应力计算的简化公式用于DCS组态,采用雨流法作为在线计算的疲劳计数方法,满足了寿命损耗在线监测的要求。
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The invention discloses an optical-fiber all-optical code converter, comprising a temperature control circuit as well as optical-fiber Mach-Zed interferometer, heat sink, semiconductor refrigerator, thermosensitive resistor and radiator, where the interferometer is composed of two cascaded 3dB couplers on the heat sink, the relation between length difference delta L of two arms of the interferometer and generated delay time difference delta T is that delta L=c.delta T/n, where c is light velocity in vacuum and n is refractive index of optical fiber; the thermosensitive resistor is used to detect temperature of interferometer, the temperature control circuit is used to compare feedback voltage of the thermosenstive resistor with a given voltage to regulate working current of the semiconductor refrigerator, and the semiconductor refrigerator refrigerates or heat two arms of the interferometer by the heat sink.
本发明公开了一种光纤型全光码型转换器,它包括温控电路和位于密封盒内的光纤型马赫-泽德干涉仪、导热热沉、半导体制冷器、热敏电阻以及散热片;干涉仪由位于导热热沉上的二个3dB耦合器级联而成,两臂的长度差ΔL与产生的延时差ΔT之间的关系为ΔL=c。ΔT/n,c为真空中光速,n为光纤折射率;热敏电阻用于对干涉仪的温度进行探测,温控电路用于比较热敏电阻反馈的探测电压和设定电压,对半导体制冷器的工作电流进行调节,半导体制冷器通过导热热沉对干涉仪两臂同时进行制冷或加热。
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Based on the extended UNIQUAC equation which is commonly used to calculate the liquid activity coefficients of volatile electrolyte system, the 揼roups of species?was proposed to replace the real species and it makes the number of interaction parameters used in the equation for the multicomponent volatile electrolyte system obviously reduced.
尽管尿素工业的发展历史较长且技术也日趋成熟,但能源的危机和日益严重的环境污染促使人们不能停留在现有的技术水平,而应不断提出新理论,探索新方法,使这个基础工业能得到更新更完善的发展。
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The present invention features that one kind of aerobiota is first used to ferment glucose, saccharified starch liquid, enzymolyzed cellulose liquid and other carbohydrate to produce glycerin, and one other kind of anerobic microbe is then used to convert glycerin into propylene glycol.
本发明的特征在于首先使用一种好氧微生物菌种发酵如葡萄糖、淀粉糖化液、纤维素酶解液等碳水化合物产生甘油,进而再通过另一种厌氧微生物菌种将甘油转化为1,3-丙二醇,其中第一步发酵所得到的发酵液可离心或过滤除去菌体,清液可直接进入第二步发酵或者经浓缩后作为第二步发酵的批式流加液,部分菌体可在连续发酵时循环使用;第一步发酵液也可不离心经灭菌后再进行第二步发酵。
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Methods: Both cell culture and MTT were used to observe the proliferation of mice spleen lymphocytes, YW was used for 15 days after radiation. To study the protective effects of mice scathed by free radical after radiation using TBA and DTNB.
采用细胞培养及MTT法,观察&养胃方&对荷瘤小鼠放射后脾脏淋巴细胞转化率的影响;使用TBA法和DTNB法观察YW对小鼠放射后自由基损伤的保护作用。
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MethodShengneng reagent and Shenneng control serum Ⅰ,Ⅱ(Lot NO.3229, Lot NO.4339) and patients' serum were used to evaluate the precision, linearity, accuracy and the schlepped polluting rate of 7180 biochemistry autoanalyzer by detecting these items as alanine aminotransferase, total protein, calcium, glucose, creatine Cre) and triglycerides.Hitachi 7600 autoanalyzer was used as the control analyzer to evaluate the correlation.
采用上海申能试剂,申能质控血清Ⅰ、Ⅱ(批号NO.3229,NO.4339)和病人血清,选定包括丙氨酸胺基转移酶、总蛋白、葡萄糖、钙、肌酐、甘油三酯在内的六个项目对7180进行精密度、线性、准确度及携带污染率的评价,并且与日立7600型生化仪进行相关性评价。
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In chapter three, with the effective combination of the prior preference, posterior preference and interactive method, and based on the theory of satisficing decision making and goal programming, an interactive method for solving static or dynamic multicriteria programming is devised. In the method, by constructing the simplexes in the set of parameters and transforming them, the local preference information is interactively quested in th process of decision making. The prior and posterior preference are used to speed up the process of decision making and overcome the false convergency which may be occured in pure interactive algorithms. This method can be used to cope with linear, nonlinear and dynamic multicritcria programming.
在第3章多目标数学规划的参数单纯形方法中,通过多目标数学规划的验先偏好方法,交互式方式与验后偏好方法的有效组合,在满意决策和目标规划的理论基础上提出了一种求解多目标静态及动态规划的交互式方法,该方法通过在参数集中构造单纯形并进行其变换,在决策过程中交互地索取决策者的局部偏好信息,并利用决策者的验先偏好来提高决策过程进行的速度,及利用决策者的验后偏好来克服纯交互式算法中可能出现的假收敛现象。
- 相关中文对照歌词
- Used To Know Remix
- I Could Get Used To This Lovin' Thing
- My Memory Ain't What It Used To Be
- Get Used To It
- I Used To Know How To Walk On Water
- You Used To Love To Dance
- She Used To Say That To Me
- Remember When (Used To Be Used To It)
- To Think I Used To Love You
- He'll Never Be...(What I Used to be to You)
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力