current expansion是什么意思

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用法例句

The current expansion of GaN-based LED is very important to the characteristics of devices.

制作环状N电极的器件在正向电压、总辐射功率、器件老化等特性方面较普通的电极都有很大的提高。

Based on the global radiation data as well as the data of spectral solar radiation and spectral albedo observed over a permafrost region of the Tanggula Range from 24 June to 16 October,2005,using the ratio of daily amount of global radiation to daily amount of extraterrestrial radiation,i.

根据青藏高原唐古拉山多年冻土区2005年6月24日~10月16日的总辐射、分光辐射和分光反照率观测资料,利用总辐射和大气层顶太阳辐射的比值——日有效透射率Teff,用聚类分析法将资料划分为晴天、多云和阴天三类天气,分析了该地区夏、秋季节总辐射、分光辐射比例和分光反照率的日变化和季节变化规律。

Average values of daily global radiation,net radiation,reflective radiation and effective.

结果表明:油松林日平均总辐射、净辐射、反射辐射和有效辐射分别为14。

The related global radiation data from the atmosphere environment observation station(TaZhong station) were used to analyze the characteristics and influencing factors of surface global radiation in sand-moving desert in this paper.

利用塔克拉玛干沙漠大气环境观测站(塔中站)直接探测的总辐射资料,对流动沙漠区近地层总辐射的变化特征及影响因子进行了分析。

Regional characteristics of global solar radiation evolution in China were analyzed based on the monthly mean global solar radiation data of 60 stations from 1961 to 2002.

利用1961~2002年中国大陆地区60个站月平均总辐射资料,讨论了我国大陆地区总辐射在年际—年代际时间尺度上的演变特征。

Reliable accuracy estimation of the pyranometer-received global solar radiation (GSR) is significant to improve the use of the measurements.

基于地面太阳短波总辐射对气溶胶光学特性和地表反照率的敏感性,该文提出了一个评估我国气象台站总辐射资料准确度的方法。

It turns out: the global solar radiation and direct solar radiation are decreasing before 1990,increasing after 1990.

结果是:1990年以前总辐射、直接辐射是减少的,以后是增加的;而散射辐射在1986年之前递增、之后递减。

On some variables(such as NO_x emission,unburned carbon in fly ash,radiant energy and 3-D temperature distribution in the furnace est.

在一台采用三维温度场可视化监控系统的300 MW锅炉上进行了NOx排放规律的试验研究,得到锅炉负荷、过量空气系数、燃烧器摆角、燃尽风量、二次风配风方式和层间燃料分配等与NOx排放、飞灰含碳量、炉膛总辐射能及炉内三维温度分布的关系。

Combination model of daily global radiation of Beijing is established.

该文建立了北京地区日总辐射的组合模型 :确定性模型 +随机模型。