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季节系数
相关语句
  seasonal coefficient
     The seasonal coefficient of grounding resistance possibly reaches 3.0 in freezing region of North China, and those of touch voltage and step voltage 10 and 5.4, respectively.
     在我国北方高寒冰冻地区接地系统的接地电阻季节系数可达3.0,接触电压和跨步电压季节系数可能达到10和5.4。
短句来源
     Adding vertical rods to grounding system will decrease the seasonal coefficient and stabilize the safety of grounding system.
     采用垂直接地极能减小接地系统的季节系数,起稳定接地系统安全性能的作用。
短句来源
  seasonal coefficients
     ANALYSIS ON SEASONAL COEFFICIENTS OF GROUNDING SYSTEMS FOR POWER PLANTS AND SUBSTATIONS
     发变电站接地系统的季节系数分析
短句来源
     Seasonal coefficients affect the safety of grounding systems and increase with the thickness and resistivity of the soil layer.
     季节因素将影响接地系统的安全性能。 季节系数随冰冻季节形成的地表高阻层的电阻率及其厚度的增加而增加。
短句来源
  “季节系数”译为未确定词的双语例句
     There were significant positive corelations between a, b, c and the seasonal cofficient v, which might mean that milk secretion of FYF_1 was influcaced by seasons.
     黑黄F_1的a、b、c值与季节系数v呈显著的正相关,反映了黑黄F_1的泌乳明显地受季节变化的影响,比西黄F_1敏感。
短句来源
  相似匹配句对
     Season-correcting coefficient of axle load conversion for asphalt pavement
     沥青路面轴载换算季节修正系数
短句来源
     ANALYSIS ON SEASONAL COEFFICIENTS OF GROUNDING SYSTEMS FOR POWER PLANTS AND SUBSTATIONS
     发变电站接地系统的季节系数分析
短句来源
     Asalubrious season
     清凉季节
短句来源
     OPEN SEASON
     狩猎季节
短句来源
     90, and the Cron- bach's coefficient .
     90,! 系数.
短句来源
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  seasonal factors
There was a 70-80% coincidence of the variants in both groups (the regions of statistical transgressions); seasonal factors were responsible for 20-30% of the differences.
      
The effect of microorganisms and seasonal factors on the isotopic composition of particulate organic carbon from the black sea
      
Role of seasonal factors in pre-and postnatal ontogenesis in etiology of type 1 diabetes mellitus
      
We propose that seasonality of birth of patients with type 1 diabetes in the two above populations could be due to long-term programming of glucose-insulin metabolism caused by the effect of certain seasonal factors during early ontogenesis.
      
The scavenging behavior of the fauna varied with seasonal factors, including temperature and rainfall.
      
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Total daily milk yields of Simmental×Yellow cattle F_1 and Friesianxyellow cattle F_1 which were corrected with least squre method provided a means of studying freshening season effects on coefficients of the lactation curves y=e~(o-cx)x~b and y=e~(o-cx)x~b(1+Usint+Vcost) , where a, b, c, u and v are coefficients to be estimated; x is the week of lactation; and t is the day of year. It was found that the two models were fit better, especially the season effects modified gamma type model. The values of a, b,...

Total daily milk yields of Simmental×Yellow cattle F_1 and Friesianxyellow cattle F_1 which were corrected with least squre method provided a means of studying freshening season effects on coefficients of the lactation curves y=e~(o-cx)x~b and y=e~(o-cx)x~b(1+Usint+Vcost) , where a, b, c, u and v are coefficients to be estimated; x is the week of lactation; and t is the day of year. It was found that the two models were fit better, especially the season effects modified gamma type model. The values of a, b, c showed freshening seasons influence the initial production, increasing rate and persistency of lactalion. The coefficient b in FYF_1 was significant for seasons of freshening, the least of which was the value of summer—autumn freshening season. There were significant positive corelations between a, b, c and the seasonal cofficient v, which might mean that milk secretion of FYF_1 was influcaced by seasons.

收集整理西黄F_1和黑黄F_1母牛的产奶记录,采用最小二乘法分析年度、胎次效应,对实际产奶量进行校正。用r函数y=e~(a-c~x)x~b及季节效应修正r函数y=e~(a-c~x)x~b(1+Usint+Vcost)拟合杂种牛的泌乳曲线,分析产犊季节对拟合参数的影响。结果表明,r函数拟合杂种牛泌乳曲线效果较好,季节效应修正r函数效果更佳。产犊季节影响a、b、c的值,制约泌乳期产奶水平、上升速度及泌乳持续性。黑黄F_1的泌乳曲线b值存在显著的产犊季节间差异,夏秋季产犊者最小。黑黄F_1的a、b、c值与季节系数v呈显著的正相关,反映了黑黄F_1的泌乳明显地受季节变化的影响,比西黄F_1敏感。

Seasonal coefficients affect the safety of grounding systems and increase with the thickness and resistivity of the soil layer. The seasonal coefficient of grounding resistance possibly reaches 3.0 in freezing region of North China, and those of touch voltage and step voltage 10 and 5.4, respectively. The raining season will lead to the touch voltage increasing, hence the influence of raining on the safety of grounding system should be considered. Adding vertical rods to grounding system will decrease the seasonal...

Seasonal coefficients affect the safety of grounding systems and increase with the thickness and resistivity of the soil layer. The seasonal coefficient of grounding resistance possibly reaches 3.0 in freezing region of North China, and those of touch voltage and step voltage 10 and 5.4, respectively. The raining season will lead to the touch voltage increasing, hence the influence of raining on the safety of grounding system should be considered. Adding vertical rods to grounding system will decrease the seasonal coefficient and stabilize the safety of grounding system.

季节因素将影响接地系统的安全性能。季节系数随冰冻季节形成的地表高阻层的电阻率及其厚度的增加而增加。在我国北方高寒冰冻地区接地系统的接地电阻季节系数可达3.0,接触电压和跨步电压季节系数可能达到10和5.4。在雨季形成的地表低胆层也有可能导致接触电压的升高。采用垂直接地极能减小接地系统的季节系数,起稳定接地系统安全性能的作用。

The design of conductive earth in substation is related to the safe operation of power network..This article analyzes such parameters as earth resistance, earth electric current, soil resistivity and season factor,then lists some common measure to reduce resistance. It also analyses corrosion problem of earthing material and put forward its measures.

变电站接地设计关系到电网安全运行。针对接地设计中接地电阻、接地电流、土壤电阻率及季节系数等参数的取值进行了探讨,列举了设计中常用的降阻措施。分析了接地材料的防腐问题,提出了相应的处理方法。

 
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