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control and
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  控制
     Adaptive Predictive Control and its Application to DCS in Power Plants
     自适应预估控制及其在火电厂DCS中的应用
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     Researches on the Dynamic Control and Management of Quality of Service for ATM Networks
     ATM网络服务质量的动态控制及管理的研究
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     Study and Simulation of Control and Guidance system of Spinning Maneuver Warhead with Variable-Centroid
     旋转弹头变质心机动控制、制导系统的研究和仿真
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     Neural-Fuzzy Predictive Control and Its Applications on Recovery Boiler
     神经—模糊预测控制及其在碱回收炉中的应用
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     Analysis,control and Forecast of Deformation and Pressure in soft Rock Tunnel
     软岩巷道变形与压力分析控制及预测
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  “control and”译为未确定词的双语例句
     Study on Technology of Computer Control and Data Processing for Electric Life Test of Relay
     继电器电寿命试验计算机测控技术与数据处理技术
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     Research and Application on Fuzzy Set and Risk Analysis for City Flood Control and Water Supply
     城市防洪与供水模糊集与风险分析理论研究与应用
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     Study of PAM Effects on Infiltration and Erosion Control and Erosion Processes Tracing with REE
     PAM增加入渗减少土壤侵蚀及稀土元素示踪土壤侵蚀过程的试验研究
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     Congestion Control and Scalable Multicast Routing in IP Networks
     IP网络中拥塞控制和可扩展组播路由研究
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     Study on the Control and Genotyping of β-lactamases in Enterobacter Cloacae
     阴沟肠杆菌β-内酰胺酶编码基因及调控研究
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  相似匹配句对
     U. in control.
     U.
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     F, as control.
     F,对照组。
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     It is the control and commandcentre.
     它是控制与指挥中枢;
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     Control and Counteraction
     控制与消解
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  control and
The learning control method and the feedback control method are mainly discussed for they are two important methods in quantum systems control and their advantages and disadvantages are presented.
      
The ECV technique is also easy to control and reproduce.
      
Finally, movement control of the actor in the virtual environment is implemented by real-time control and path point control, which achieve a good result.
      
Issues such as risk judgments, risk analysis, risk control and the assessment of risk, including their contents and corresponding methods are clarified.
      
During the dry season, differences in the stomatal conductance, δ13C, and WUE between the control and UV-B treated shrubs were very small; whereas, differences became much greater when soil water stress disappeared.
      
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Accoustics becomes so important and complicated a problem in modern building practice, that it should be properly considered by every architect today. From the view of its practical aspects, the author makes a general review of several major problems in recent development of architectural acoustics. 1. Criteria of room acoustics: a)Reverberation time, b)Practical aspects of physical acoustics and discussion of the second physical quantity, c)Subjective observations; 2. Sound Systems; 3. Acoustical materials;...

Accoustics becomes so important and complicated a problem in modern building practice, that it should be properly considered by every architect today. From the view of its practical aspects, the author makes a general review of several major problems in recent development of architectural acoustics. 1. Criteria of room acoustics: a)Reverberation time, b)Practical aspects of physical acoustics and discussion of the second physical quantity, c)Subjective observations; 2. Sound Systems; 3. Acoustical materials; 4. Noise control and sound insulation.

建筑声学在现代建筑设计中的地位日趋重要,其复杂性也随之而增加;为今日每一建筑师所值得注意的问题。作者以实用的观点对近年来建筑声学发展中的几个主要问题加以综合的叙述。一、室内音质的评价标准:(1),混响时间,(2)物理声学的意义,和第二物理参量的研究,(3)主观评价;二、扩音系统;三、吸声材料;四、噪声控制和声音隔绝。

This paper discusses some problems which are found to be important in designing the arch dam of the Liv-Hsi-Ho-hydroelectrical power station. The arch dam under discussion has a max. height of 82 m and spans 255. m, situated in a V-shaped valley. It is an overflow arch dam of the various radius and thickness type. The technical design has been nearly finished and the dam is now under construction. The first problem discussed is the investigation of the stability of arch dam under various ioads when the dam...

This paper discusses some problems which are found to be important in designing the arch dam of the Liv-Hsi-Ho-hydroelectrical power station. The arch dam under discussion has a max. height of 82 m and spans 255. m, situated in a V-shaped valley. It is an overflow arch dam of the various radius and thickness type. The technical design has been nearly finished and the dam is now under construction. The first problem discussed is the investigation of the stability of arch dam under various ioads when the dam is rested on a rock foundation with unexpected jointe and cracks. Methods and formulas for the determination of stability factors are recommended. Then the paper reviews the various methods of stress andlysis of arch dams now in use and finds that the cantilever-arch method (or so called the trial load method) is a suitable one. An amphified procedure is suggested, with this procedure and by means of certain tables of founda- tion and arch deformation constanis, the analysis of stressos and deflections of a circular arch including the effect of foundation deformation can be simplified greately without sacrifyinq dccuracy. The necessdry tables needed in analysis will be presented in an dnother paper. The problems of temperature control and temperature stresses determination are also impor- lant ones in arch dam design and construction. This paper discusses the vdrious principles of temperature control and method of computation, and describes the one accepted in this dam. The priciples of analysis of temperature stresses of arch dams are discussed in detail. Finally the problem of discharginq floods over the arch dam is described in brief. The design work in this respect has not been finished, further investigations and model tests are roquired.

本文旨在论述流溪河拱壩工程在设计中一些主要问题。拱壩最大壩高82公尺,壩顶弧长255.5公尺,位于一V形山谷中。壩体大不同半径和厚度拱壩并采用壩顶溢流形式。工程设计及施工已接近完成。本文首先探讨了拱壩壩头岩基具有节理和裂隙时在不同荷载下的稳定问题。推荐了决定系数的方法和公式。其后就现有的拱壩各种放力分析方法进行了论述并认力悬臂拱法(或称试载法)较为适用。本文对于试载法提出了改进步骤,利用这些改进步骤并借用一定数量的基础和拱圈变形常数表则计算应力分析和包括基础变形的圆拱变位可大大简化并无损其精度。在分析中所需数表将另著文介绍。控制拱壩温度和确定温度应力问题在拱壩设计和施工中也极关重要。本文论述了温度控制的各种原理和计算方法,并描述了本工程所采用的措施。对于拱壩温度应力的分析原理曾加论述。最后曾就拱壩壩顶溢流问题加以简述。有关此项新颖问题的设计,需待进一步研究并进行模型试验。

In order to compare the changes of blood pressure reasonably, concretely, simply, and quantitatively, the "net % of hyper and hypotensive areas", which integrates the considerations of the original level of blood pressure (AD in Fig. 1), the magnitude and the duration of the changes, is proposed. It is especially practical in the screening of drugs. Suppose the area between AD and the base line 0 mm Hg is S, the area between AD and the blood pressure curve below is S', and the area between AD and the blood...

In order to compare the changes of blood pressure reasonably, concretely, simply, and quantitatively, the "net % of hyper and hypotensive areas", which integrates the considerations of the original level of blood pressure (AD in Fig. 1), the magnitude and the duration of the changes, is proposed. It is especially practical in the screening of drugs. Suppose the area between AD and the base line 0 mm Hg is S, the area between AD and the blood pressure curve below is S', and the area between AD and the blood pressure curve above is S", then % of hypotensive area=-S′/S×100, % of hypertensive area=S"/S+S"×100. The net percentages of different groups (e.g., control and drugs) may be compared by t or F tests. The assay results are considered in terms of both the net % and the statistical significance. For the purpose of illustrating its calculations and applications, 4 different drugs were tested on 4 species of animals. Hexamethonium and hydralazine were confirmed to possess a high hypotensive potency. Reserpine induced a slight elevation of blood pressure in rats and little effects in dogs; these were in conformity to the results of other investigators. The chief advantages of the present project are: 1) no need of special unit; 2) exemption from complicated mathematical computations; 3) adequate revelation of the influences; and 4) applicability to clinical or animal experiments, drug or other therapeutic measurements, acute or chronic trials, and hypertensive or hypotensive effects.

本文综合升、降压强度,升、降压时间及原血压水平等因素,建议用“浄升、降压面积百分比”,以求合理、明确、简便、定量地比较血压变化的结果.尤其是在篩药时,便于迅速比较多种药物的作用。设原血压水平与基线0毫米汞柱间的面积为S,原血压水平与降压曲线间的面积为S’,原血压水平与升压曲线间的面积为S”,则: 降压面积%=—S’/S×100 升压面积%=S”/S+S”×100 降压面积百分比扣减升压面积百分比,得浄升、降压面积百分此。各组间(例如给药组与对照组间,或不同药之间,或不同动物之间)的面积百分比,可按t或F测验求出相差的显著性(P值)。比较药物的效果时,主要根据其净升、降压面积百分比的数值,同时还应参考统计学的显著性。为了说明“浄升、降压面积百分比”之计算及应用,本文利用狗、猫、兔及大白鼠4种动物,注射利血平、藜芦碱、六烃季铵及肼苯噠嗪,按照以上公式计算,求得净升、降压面积百分比。结果证明六烃季铵及肼苯噠嗪的降压效果较强,利血平不使狗血压下降,使大白鼠升压。这些结果与文献报告是一致的。本方案的主要优点是:(1)不用任何特别单位;(2)无需复杂的数学演算;(3)结果能反映药物的作用且与文献相符;(4)无论对于临床或...

本文综合升、降压强度,升、降压时间及原血压水平等因素,建议用“浄升、降压面积百分比”,以求合理、明确、简便、定量地比较血压变化的结果.尤其是在篩药时,便于迅速比较多种药物的作用。设原血压水平与基线0毫米汞柱间的面积为S,原血压水平与降压曲线间的面积为S’,原血压水平与升压曲线间的面积为S”,则: 降压面积%=—S’/S×100 升压面积%=S”/S+S”×100 降压面积百分比扣减升压面积百分比,得浄升、降压面积百分此。各组间(例如给药组与对照组间,或不同药之间,或不同动物之间)的面积百分比,可按t或F测验求出相差的显著性(P值)。比较药物的效果时,主要根据其净升、降压面积百分比的数值,同时还应参考统计学的显著性。为了说明“浄升、降压面积百分比”之计算及应用,本文利用狗、猫、兔及大白鼠4种动物,注射利血平、藜芦碱、六烃季铵及肼苯噠嗪,按照以上公式计算,求得净升、降压面积百分比。结果证明六烃季铵及肼苯噠嗪的降压效果较强,利血平不使狗血压下降,使大白鼠升压。这些结果与文献报告是一致的。本方案的主要优点是:(1)不用任何特别单位;(2)无需复杂的数学演算;(3)结果能反映药物的作用且与文献相符;(4)无论对于临床或动物实验、药物或其他疗法、急性或慢性试验、升压或降压的效果,均可普遍应用。

 
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