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     Research on Texture Synthesis from Sample
     基于图的纹理合成技术研究
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     A STUDY ON THE HAVE SIZE OF SAMPLE COCOON AND ITS APPLICATION
     茧茧丝纤度的研究与应用
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     SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION OF HEAVY METALS IN HEAVY OIL (1)--RECOVERY TEST OF Fe,Ni,V IN SYNTHETIC SAMPLE
     重质油中重金属的同时光度测定(1)——合成中铁、镍、钒的回收试验
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     Catalytic Voltammetry Determination of Trace Amounts of Sn in Geochemical Sample
     催化伏安法测定化探中微量锡
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     MINERALOGICAL CHARACTERISTICS OF ZBH-BIOTITE——K-Ar ISOTOPIC DATING STANDARD SAMPLE
     K-Ar法同位素地质年龄测定标准——ZBH-黑云母的矿物特征
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     POTASSIUM BORDHYDRIDE REDUCTION-NON-DISPERSIVE ATOMIC FLUORESCENCE SPECTROMETRIC DETERMINATION OF TRACE MERCURY IN GEOCHEMICAL SAMPLES AND WATER
     硼氢化钾还原-无色散原子荧光测定化探及水中痕量汞
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     A RELIABLE METHOD IN MEASURING Jc OF Y-Ba-Cu-O SERIES OF SUPERCONDUCTIVE SAMPLES
     一种测定Y-Ba-Cu-O系列块Jc的可靠方法
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     X-Ray Fluorescence Spectrometric Determination of Major and Trace Elements in Geochmical Samples
     X-射线荧光光谱分析地质化探中主要和痕量元素
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     STUDY OF A LARGE RAPID ASHING APPARATUS AND A RAPID DRY ASHING METHOD FOR BIOLOGICAL SAMPLES AND ITS APPLICATION
     生物品大型快速灰化装置与大量生物快速灰化方法的研究及其应用
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     DETERMINATION OF ~(131)I CONTENTS IN URINE SAMPLES
     尿中~(131)I 量的测定
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     Studies on the Cloning expression and Function of Insulin-like growth factor binding protein-1(IGFBP-1)
     胰岛素生长因子结合蛋白-1基因克隆、表达以及功能研究
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     Neuronal loss and Caspase3 expression in Sombati's epileptic model
     Sombati癫痫放电模型中神经元丢失及Caspase3表达的研究
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     Research on Nesting Optimization Principle and Key Techniques for Generating Equipment Manufacturing
     面向发电设备制造的下料优化排原理与关键技术
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     The Mechanism of Oxidized Low Density Lipoprotein and Insulin-like Growth Factor-1 on Rabbit Vascular Smooth Muscle Cell Biological Function and the Intervention Effect of Atorvastatin and Rapamycin
     氧化低密度脂蛋白与胰岛素生长因子-1促进血管平滑肌细胞生物学改变的信号转导机制及药物干预作用
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     APA Microencapsulated BCC Transplantation into Hemiparkinsonian Monkeys: A Long-term Study on Behavior, Functional Image and Histomorphology
     APA微囊化BCC脑内移植治疗MPTP帕金森病猴长期效应的研究:行为、功能影像及组织形态学观察
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The theorem is then used to characterize a class of entire functions that can be reconstructed from their sample values at the points tn = an + b if n = 0, 1, 2, ...
      
In the continuous sample path case precise error bounds are derived.
      
This approximation method is used to develop a simulation method of the sample path of linear fractional stable motions.
      
This compares very favorably with the direct O(B6) algorithm derived from a basic quadrature rule on O(B3) sample points.
      
An antibiotic producing strain Streptomyces violaceusniger was isolated from soil sample, characterized and studied for antibacterial and antifungal activity profile.
      
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We present a method for finding the dual frame and, thereby, a method for reconstructing the signal from its samples.
      
In particular, the results in this article show that the oscillations of a function at large scale are comparable to the oscillations of its samples on an appropriate discrete set of points.
      
Under the appropriate definition of sampling density D?, a function f that belongs to a shift invariant space can be reconstructed in a stable way from its non-uniform samples only if D?≥1.
      
If the shift invariant space consists of polynomial splines, then we show that D?>amp;lt;1 is sufficient for the stable reconstruction of a function f from its samples, a result similar to Beurling's special case B1/2.
      
However, unlike the values of f(n)(t0), the values of the chromatic derivatives Kn[f](t0) can be obtained in a noise robust way from sufficiently dense samples of f(t).
      
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The phenomellon of limiting heating is of vital importance and interest in the study of gas' flow through a tube with heat additioll fi.om both theoretical and practical points of view. In particular, it has applications to the design of thel.mal ducts of pl'opulsive devices for high speed aircraft. TI}ils poper col,sists of a prelimillary "study Of limiLing'heating for the;(jfole case of a perfect gas in steady flow through a tube of unifornl cross section. It starts from tile fulldamelltal laws governing...

The phenomellon of limiting heating is of vital importance and interest in the study of gas' flow through a tube with heat additioll fi.om both theoretical and practical points of view. In particular, it has applications to the design of thel.mal ducts of pl'opulsive devices for high speed aircraft. TI}ils poper col,sists of a prelimillary "study Of limiLing'heating for the;(jfole case of a perfect gas in steady flow through a tube of unifornl cross section. It starts from tile fulldamelltal laws governing the gas now, fi-om which analytical condiLion for limiting heatillg is then derived, and the beavior of gas at exit as resulted. from limiting heating is discussed in some details. Among the conclusions thus obtained, it is interesting to notice that, as the result of limiting hear,ing the gas is leaving tile exiL with less temperature or velocit,y within certain ranges of initial Mach Number; and that sonic s'tate is 'the limiting state that could be reached by ally flow, subsonic or supersonic, t}lrough 11eat addition.

管内稳流气体之加热不能超过一定之限度,逾限即发生所谓限塞现象.在气体热动力学之理论与实际上,极限加热为一重要而饶有兴趣之问题.在现代高速度航空推进机热管部份之设计大多应用。本文试就极限加热作初步之分析:篇首先述气体流动之基本定律,由此以诱导加热限度公式,再由此讨论气体经过极限加热後之状态,并就气体加热前之流速分次声速(subsonic),声速(sonic)与超声速(supersonic)三种情况加以比较.在本文所得结论中,有值得吾人注意者即流动气体在某一速度范围之内其温度与速度反因加热而减低.此外声速状态(sonic state)为任何流动,(flow),不论是超声速底或次声速底,经加热後所能达到之极限状态,亦由本文根据极限加热之理论加以证明.在 paul Ghambre与林家翘两先生之“On the steady Flow of a Gas Through aTube with Heat Exchange orchemical Reaction”文中会有仝之结论,共立论系从气体瞬间状态之分析入手,不涉加热限度.本文则从气体起始与终结状态间之关系着手,而以极限加热为讨论中心.如与二氏原文参看可以...

管内稳流气体之加热不能超过一定之限度,逾限即发生所谓限塞现象.在气体热动力学之理论与实际上,极限加热为一重要而饶有兴趣之问题.在现代高速度航空推进机热管部份之设计大多应用。本文试就极限加热作初步之分析:篇首先述气体流动之基本定律,由此以诱导加热限度公式,再由此讨论气体经过极限加热後之状态,并就气体加热前之流速分次声速(subsonic),声速(sonic)与超声速(supersonic)三种情况加以比较.在本文所得结论中,有值得吾人注意者即流动气体在某一速度范围之内其温度与速度反因加热而减低.此外声速状态(sonic state)为任何流动,(flow),不论是超声速底或次声速底,经加热後所能达到之极限状态,亦由本文根据极限加热之理论加以证明.在 paul Ghambre与林家翘两先生之“On the steady Flow of a Gas Through aTube with Heat Exchange orchemical Reaction”文中会有仝之结论,共立论系从气体瞬间状态之分析入手,不涉加热限度.本文则从气体起始与终结状态间之关系着手,而以极限加热为讨论中心.如与二氏原文参看可以相中互印证补充。

The parametric methods of significance test commonly used in textile industries are based on the assumption that the parent population were distributed normally or in some other definite form. Yet in textile industries exact informations about the population distribution are hardly accessible to us. Hence a test independent of the nature of the population distribution is needed in these industries. In this paper we first discuss a non-parametric method of testing whether two samples of machine parts are from...

The parametric methods of significance test commonly used in textile industries are based on the assumption that the parent population were distributed normally or in some other definite form. Yet in textile industries exact informations about the population distribution are hardly accessible to us. Hence a test independent of the nature of the population distribution is needed in these industries. In this paper we first discuss a non-parametric method of testing whether two samples of machine parts are from populations with the same fraction defective. A table has been constructed giving the critical values of the defectives in a second sample after a first sample, both random, has been drawn in which the number of defectives is known. If the number of defectives in the second sample does not exceed the critical value corresponding to that of the first sample at prescribed significance level a, then we may conclude that in 1—a of the cases the fraction defective of the population from which the second sample is drawn is not greater than that of the first. Further, an extension of this method may be established for testing whether two samples are from populations with the same distribution function, for which the only assumption is the continuity of the distribution. A table has also been constructed giving the lower and upper critical values at preassigned confidence level a. If the number of observed values in the second sample, which are smaller than (or larger than) the median of the first, lies between the corresponding critical limits, then we may conclude that in l—a of the cases the two samples are from populations with the same distribution function. Power function of the test has been calculated and examples for testing rayon filament strength and lea strength have been given for illustrative purposes.

紡織工業常用的各種參數性檢定法都需要假定母體成為常態分佈或他種確定的分佈。但母體實在成為何種分佈往往並不能準確斷定。因此需要一種不論母體成为何種分佈都能適用的方法。本文討論一种检定兩子樣是否來自同一母體的方法,祇需要假定母體分佈為連續函數而可不問它是什麼樣的分佈。這種方法適合紡織工業之用,因其不仅適用範圍極為廣泛,且用法之简便還超過常用的參數性检定法。首先我们推導了拉潑拉斯的廣義貝斯定理。然後在這定理的基礎上建立了一種適合紡織机件製造工業用的檢定兩子樣來自的母體的次品率是否相同的方法。編製了一種表格以備工廠撿查,並計算了這種检定法的功效函數。然後闡明檢定兩子樣來自的母體的頻率分佈是否相同的非參數性檢定法可以看作上述方法的一種擴展。對於這種方法也編製了一張表格,並舉了縷紗强力試驗及人造絲單纖維强力試驗的兩個例題。

Various procedures for spectrographic analysis of metallurgical slags have been found inthe literature,but,in practice,results are often influenced by the chemical nature of the samples.This paper reports some results obtained on the spectrographic analysis of open-hearth slags bythe copper cup-electrode solution method.An activated a.c.arc (ПС-39) is used as light source.To the nitric acid solution ofslag samples is added stannous chloride (Sn as internal standard) and potassium bromide (Kfor the stablization...

Various procedures for spectrographic analysis of metallurgical slags have been found inthe literature,but,in practice,results are often influenced by the chemical nature of the samples.This paper reports some results obtained on the spectrographic analysis of open-hearth slags bythe copper cup-electrode solution method.An activated a.c.arc (ПС-39) is used as light source.To the nitric acid solution ofslag samples is added stannous chloride (Sn as internal standard) and potassium bromide (Kfor the stablization of the arcing).The prepared solution is then treated in a hot water-bath.The size and shape of the cup-electrode is so chosen that the height of the solution surface doesnot vary much during exposure.Because of the non-uniform distribution of the elements tobe analysed in the arc column,the slit is illuminated directly from the arc without using lenses.With fixed working curves we have obtained the lime-to-silica ratio of 20 slag samples.The differences between spectrographic and chemical values are less than ±5%.The completeanalysis of a few slag samples has been also carried out and the accuracy is found to be aboutthe same as those published in the literature.Causes for shifts of working curves in the course of experiments and means of prevention,and the problem of the dissolution of slags in nitric acid are discussed.Experiments indicatethat the turbulent effect of solution samples in the cup-electrode during arcing is advantageousand necessary.

本文叙述用杯形铜电极溶液法进行平炉渣光谱分析的一些结果。实验用ПС-39型交流电弧作光源,硝酸溶解渣,加 SnCl_2(Sn 作内标)和 KBr(K 作燃烧稳定剂),并且把这溶液经过加热处理。再适当地选定了铜杯的大小和形状,和采用了直接照明系统。用固定定标曲线法作了20个渣的硷度(Ca/Si)分析。与化学分析结果比较相差小于±5%。最后讨论了铜杯溶液法进行分析时定标曲线发生移动的原因和防止的方法,试在硝酸溶液中溶解的问题,与试溶液在燃烧过程中的翻腾现象。致谢:参加本项工作一部分的尚有周熙宁、徐升美、王桢枢等同志,谨此致谢。

 
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