1) thermal economic coefficient
热经济系数
1.
Proposes the thermal economic coefficient method for thermal economic analyses of refrigeration systems.
提出一种对用能系统进行热经济性决策的热经济系数法，探讨了其对制冷方式选择的影响，并定量分析了酒店总能系统方案较之其他制冷方案的优越性。
2) economic coefficient
经济系数
1.
Based on the indexes system three coefficients including coordinate coefficient, sustainability coefficient and economic coefficient are defined.
在指标体系的基础上,定义了协调系数、可持续系数和经济系数3个系数。
2.
49 varieties (lines) including diploid,quadruploid and hexaploid analyzed in this paper using grey correlation analysis reveals that 1000-grain weight has the greatest contribution to economic coefficient; spikelet number has the greatest correlation with plant height,spike length and kernel per spike; and economic production has the greatest correlation with dry weight and tillering.
经济系数的提高和矮秆是小麦育种的主要目标之一。
3.
The correlation between economic coefficient and 13 characters ,that is biology yield,plant height,wheat neck length, wheat neck thickness, sword leaf length, sword leaf width, seed setting spikelet number, sterile spiketlet number, spike length, spikelet density, grain number per stachys, grain weight per stachys and stem thickness were analysed on 10 wheat varieties (strains)from Hubei Province.
以湖北省 1 0个小麦品种 (系 )为试验材料 ,研究各个品种 (系 )的经济系数与生物学产量、株高、穗颈长和粗、剑叶长和宽、结实小穗数、不实小穗数、穗长、小穗密度、穗粒数、穗粒重、茎粗的相关性。
3) exergy-economic coefficient
经济系数
1.
It offers a method of exergy-economic coefficient, analyzes natural gas co-generation system, power system and natural gas combined heat and power system, and also calculates the exergy-economic coefficients of three systems, analyzes them and then obtains that natural gas co-generation system has higher thermal economy.
提出系统经济系数方法,对天然气热、电、冷三联供系统,天然气发电系统和天然气热电联供系统进行分析,计算出三系统的经济系数,对其进行比较分析,指出天然气热、电、冷三联供系统具有较高的热经济性。
4) system economics number
系统经济数
1.
Presents conception of the duct confluence number and system economics number.
提出了风管合流数和系统经济数的概念。
5) Economical NC System
经济型数控系统
1.
This paper discusses the developing history of NC system and its status, the character of economical NC system and its developing trends.
因此,本文提出了IPC+DSP运动控制卡的开放式全闭环经济型数控系统。
6) petroleum economic coefficient
石油经济系数
1.
In line with the exploration in Tuba basin, the principles, suitability and parameter selection results of using reservoir scale sequence and reserves analysis method to calculate petroleum economic coefficient are studied.
石油经济系数是石油资源量中具有经济效益部分资源所占的比例,是经济评价的重要参数之一。
补充资料：负温度系数热敏电阻陶瓷(见热敏陶瓷)
负温度系数热敏电阻陶瓷(见热敏陶瓷)
thermo-sensitive ceramics with negative temperature coefficient
负温度系数热敏电阻陶瓷thermo一sensitiveeeramies with negative temperature eoeffieient在某一特定温度范围，电阻率随温度的升高而明显减小的热敏陶瓷。简称NTC陶瓷。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条