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 比例标准
 ratio standard
 10～500/3~(1/2)kV Power Frequency Voltage Ratio Standard Apparatus 10～500/3~(1/2)kV工频电压比例标准装置 短句来源 ADC ratio standard with about 1×10~(－8) error 误差为10~(-8)量级的直流比例标准 短句来源 ：A 10n／1 n＝1，2，3，…… d．c ratio standard with about 1×10－8 error is designed． The standard is not as usual built by ten resistors with same resistance, it is built only by two resistors ,whose resistance are respectively R and 9R．The accuracy of this ratio standard is measured using the substitution method by the Hamon build－up resistor, and the error is about 1×10－8．The examples using the ratio standard is also described． 设计出一种10n／1 n＝1，2，3，……的直流比例标准，它不是由通常的若干组同名义值的电阻组成，而是由一个电阻值为R的电阻及另一个电阻值约为9R的电阻所组成，其比例准确度借助于哈姆量具确定，从而使误差小于1×10－8，文中还介绍了这种比例量具的应用例子。 短句来源 Rational Application of Current Ratio Standard 合理使用电流比例标准 短句来源 The paper introduces the experience of Longyangxia hydraulic power plant switch station's 330kV voltage mutual inductor error calibration by adopting the hydraulic turbine generator's excitation voltage as the test source,using the partial pressure capacitor,partial pressure zero set box,and the 110kV standard voltage mutual inductor as the capacitive voltage ratio standard device to realize three group bus voltage mutual inductor's error calibration. 本文介绍了龙羊峡发电厂开关站 3 3 0kV电压互感器误差检验的经验。 利用水电厂发电机组自身的特点 ,采用水轮发电机励磁调压提供试验电源 ,使用分压电容器和分压调零箱以及 1 1 0kV标准电压互感器组成电容式电压比例标准装置 ,顺利地实现了三组母线电压互感器的误差检验。 短句来源 更多
 ratio standards
 The Establishment of 35kV and 110/3~(1/2) kV Power Frequency Voltage Ratio Standards and Study of Calibration Method 35kV、11O/3~(1/2)kV工频电压比例标准的建立和传递方法的研究 短句来源 The methods of establishment and calibrations of 35kV and 110/1/3kV power frequency voltage ratio standards are described in this paper. 本文介绍35kV和110/3~(2╱1)kV工频电压比例标准的建立及其传递方法。 短句来源
 “比例标准”译为未确定词的双语例句
 110kV fundmental-frequency voltage ratio reference self-calibration system 110kV工频电压比例标准自校系统 短句来源 Double level potential transformer of 35 kV with an accuracy of 0.001 were devebped successfully by North China Electric Power Research Institute, which reached the highest grade of 35 kV, and double level potential transformer of 110 /3~(1/2) kV with an accuracy of 0.002 were also developed successfully, which was the first one on the world. 华北电科院成功研制了35kV0.001级双级电压互感器,并达到35kV高电压等级,研制成功国际上第一套100/3~(1/2)kV0.002级双级电压互感器,建成了100V-100/3~(1/2)kV完整的高电压比例标准检定系统。 短句来源 The Application and Expansion of the Power-freqvency Voltage Proportionality Standard Self-Calibration System 工频电压比例标准自校系统的应用与扩展 短句来源 Introduced the large direct current proportion standard self-calibration system,which the error ratio is(0.2～1)×10-6 and the measurement uncertainty is(1～5)×10-7.It can be obtained the trace to the source of large direct current with self-balancing DC comparator through self-calibration circuit,addition circuit,compare circuit and multiplication circuit etc. 本文介绍了比例偏差值达到(0.2～1)×10-6、测量不确定度达到(1～5)×10-7的直流大电流比例标准自校系统。 介绍了用自平衡比较仪通过自校、加法、比较和乘法等校准线路实现直流大电流量值的绝对溯源。 短句来源 The Sixth Research on the Reform and Consummation of China's Sci-tech Human Resource Development and Management System--Discussion on Reforming and Innovating the Post-structural Proportion Standard and Its Construction Work 六论改革完善我国科技人力资源开发与管理制度——论改革创新职务结构比例标准及其建设工作 短句来源 更多

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 ratio standard
 Previous studies on adult populations have demonstrated that although the traditional ratio standard V?O2max (ml?kg-1?min-1) fails to render V?O2max independent of body mass, the ratio standard is still the best predictor of running performance. Hence, the purpose of the present study was to investigate whether the ratio standard is still the most appropriate method of normalising V?O2max to predict 1-mile run speed in a group of 12-year-old children (n=36). With both the V?O2max and body mass exponents being close to unity but with opposite signs, the model suggest the best predictor of 1-mile run speed is almost exactly the traditional ratio standard recorded in the units (ml?kg-1?min-1). Clearly, reporting the traditional ratio standard V?O2max, recorded in the units (ml?kg-1?min-1), still has an important place in publishing the results of studies investigating cardiovascular fitness of both children and adults. Values for b were 1.08 and 1.05 for BSA relative to Qmax and SVmax, approximating that of 1.0 using the traditional ratio standard (cardiac index and stroke index). 更多
 ratio standards
 Hence, the power function ratio standards (ml·kg-2/3·min-1) and (W·kg-2/3) were best able to describe a wide range of subjects in terms of their physiological capacity, i.e. The simple ratio standards (ml·kg-1·min-1) and (W·kg-1) were found to best describe the same subjects according to their performance capacities or ability to run which are highly dependent on body size. The appropriate model to explain the experimental design effects on such ratio standards was shown to be log-normal rather than normal. Therefore, we concluded that the ratio standards and allometric scaling should be employed to adjust S for body size when muscle torque and muscle force, respectively, are tested. Muscle function (F) was normalised for LMM by using ratio standards (F·LMM-1), power function ratios (F·LMM-b, where b is usually?≠?1), and analysis of covariance (ANCOVA). 更多
 The methods of establishment and calibrations of 35kV and 110/1/3kV power frequency voltage ratio standards are described in this paper. The standard is a capacitive divider which is calibrated at low voltage by IVD and used at high operating voltages. Two voltage transformers, used as working standards, belonging to operating voltages of 35kV and HO/ 3 kV respectively are calibrated by the standard established. The results show that the accuracies of the calibration system of power frequency voltage ratio are... The methods of establishment and calibrations of 35kV and 110/1/3kV power frequency voltage ratio standards are described in this paper. The standard is a capacitive divider which is calibrated at low voltage by IVD and used at high operating voltages. Two voltage transformers, used as working standards, belonging to operating voltages of 35kV and HO/ 3 kV respectively are calibrated by the standard established. The results show that the accuracies of the calibration system of power frequency voltage ratio are ±1.5×10-5 and ±5×10-5 for ratios of 35kV/100V and (110/3 kV) (100/3V) respectively. 本文介绍35kV和110/3~(2╱1)kV工频电压比例标准的建立及其传递方法。它们采用电容分压器的结构,在低电压下用感应分压器校准,在高电压下使用。研究结果表明,这一工频电压比例自校传递系统的测量准确度,对于35kV╱100V变化为1.5×10~(-5),对于(110/3~(2╱1)kV)/(100/3~(2╱1)V)为5×10~(-5)。 This paper presents the application and expansion of the world-wide advanced technique about the rendition and adjustement of values measured by the methods, Such as.reference potential, transformers series addition, twice calibration and return bias, used in 110kV power-frequency voltage proportionality standard self-calibration system. 阐述了110kV工频电压比例标准自校系统中的参考电势法、互感器串联加法、两次标定法、回差法的量值复现与调试等先进技术的应用与扩展。 The classification of clastic sediments in the specifications for oceanographic survey issued by State Oceanic Administration of China in 1975,was widely accepted by Chinese marine geologists,and now Shepard's classification of clastic sediments is adopted in new specifications for oceanographic survey issued by State Technologic Supervisory Administration of China,Sand-silt-clav ratios in the two classifications are different. Nomenclature difference in the triangular composition diagram is 8.25%in area,Com-... The classification of clastic sediments in the specifications for oceanographic survey issued by State Oceanic Administration of China in 1975,was widely accepted by Chinese marine geologists,and now Shepard's classification of clastic sediments is adopted in new specifications for oceanographic survey issued by State Technologic Supervisory Administration of China,Sand-silt-clav ratios in the two classifications are different. Nomenclature difference in the triangular composition diagram is 8.25%in area,Com- paratively speaking,the percentage of the second highest content of granulometric com- position plays an important role in the classification issued in 1975. 近二十年来我国海洋地质工作者采用１９７５年国家海洋局制定的海洋调查规范中碎屑沉积物粒度分类。即将由国家技术监督局发布的新的海洋调查规范规定采用谢帕德分类。这两种分类都是属于三角图解分类法。然而，两种分类中各自采用的砂—粉砂—粘土比例标准不同。在三角图中命名有差异的区域占８．２５％。比较而言，１９７５年调查规范分类中第二高含量粒度的百分比具有较重要意义。 << 更多相关文摘
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