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平均反射率
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  average reflectance
     From 600 to 900 nm,the average reflectance was less than 1.38%,and the polarization of reflectance was lower than 0.89%.
     其中在600~900 nm波段范围内,平均反射率均小于1.38%,反射率的偏振度均低于0.89%。
短句来源
     In particular, dielectric enhanced metallic mirrors have been designed and fabricated. The results of reflectivities of 0.994 or greater for 3.8μm and average reflectance of more than 0.95 at visible region and 8 - 14μm infrared have been acquired.
     利用制备的介质金属增强反射镜,由实验获得了DF激光波长为3.8μm时反射率大于99.4%、可见光区和8~14μm红外区平均反射率高于95%的结果。
短句来源
     The experiment results have shown that the cell conversion efficiency increased by 38% after applying the silicon nitride AR coating. The average reflectance of the four-layer AR coatings is less than 5% (spectral range 400-1100nm).
     实验表明,采用PECVD氮化硅膜作硅太阳电池的减反射膜,电池转换效率提高了38%,四层氮化硅减反射膜的平均反射率低于5%(波长范围400—1100nm)。
短句来源
     (3) With the condition of table 4.3, with increasing of temperature the average reflectance value decreases and the minimum reflectance point moves towards red direction.
     (3)随着温度的增加薄膜的平均反射率降低并且反射低谷向长波方向移动;
短句来源
     n&k Analyzer 1200 measurement results show that with increasing of temperature the average reflectance value decreases and the minimum reflectance point moves towards red direction.
     应用n&k Analyzer 1200测量,温度增加时薄膜的平均反射率降低同时反射低谷向长波方向移动;
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  mean reflectance
     The daily mean reflectance of eachmonth is between 22-35% in summer,and the monthly average value is 30%.
     夏季各月日平均反射率介于22-35%之间,月平均值为30%。
短句来源
     The mean reflectance matching is performed in the first three bands separately according to different cover types in two regions(clear region and cloud regions).
     按照相同地物覆盖类型对非云区与不同云区进行平均反射率匹配,以达到去云的效果。
短句来源
  “平均反射率”译为未确定词的双语例句
     The result achieved is a infrared reflective film of an average reflective index of 97.282% between 867nm and 1614nm.
     设计结果是一个在867nm~1614nm带宽范围内,平均反射率约为97.282%的红外反射膜系。
短句来源
     A high quality nano-multilayer film with a high optical transmittance of 93.5% at 555nm, a high reflectivity of 90% at infrared wavelength and a low infrared emissivity of 0.2 in 8μm -14μm wavelength range was obtained.
     样品在555nm波长处的透过率最高达93.5%,红外波段平均反射率为90%左右,8μm-14μm波段红外发射率∈<0.2。
短句来源
     The diurnal average of surface albedo is varied between 0.20 and 0.25, and the mean of diurnal surface albedo is 0.22.
     冬季地表日平均反射率基本在0.20~0.25之间变化,平均值为0.22。
短句来源
     hm~(-2). a~(-1), the mean reflection rate of the system was 22.5%, which was higher than that of mono-culture orchard and the average transmission of the system was 18.0%, a little lower than that of mono-cultureapple. This indicated that more solar energy can be used in the apple-alfalfa system.
     hm-2.a-1,复合系统的平均反射率为22.5%,高于单作苹果系统,平均透射率为18.0%,低于单作苹果系统,说明林草复合系统可以截获和利用更多的光能。
短句来源
     Moreover,different effects are displayed in different DL ARCs. Compared to those without dispersion effect,the minimal weighted reflectance of SiO_2/ZnSe DL ARCs increases from 1.14% to 1.55%,while that of SiO_2/ZnS DL ARCs decreases from 1.49% to 1.46%.
     与未考虑色散效应的情况相比,考虑色散效应后,SiO2/ZnSe双层减反射膜的最小加权平均反射率从1.14%增加到1.55%,而SiO2/ZnS双层减反射膜的最小加权平均反射率却从1.49%减小到1.46%.
短句来源
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  average reflectance
The weak-localization correction to the average reflectance performs a similar crossover from the value 1/3N to 1/4N.
      
or faster, with a Hunter reflectometer yields the average reflectance of the set.
      
Typically, coatings with 8-11 μ thickness are opaque and have an average reflectance loss (>amp;lt;5%) in the spectral range of 200-1500 nm.
      
These films have transmittance around 77% and average reflectance is below 2·6% in the spectral range 350-850 nm.
      
Average reflectance across all wavelengths was 10% higher in a species sampled from a high-albedo beach dune, I.
      
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  mean reflectance
For comparative analysis of the mean reflectance, the forearm area was divided into ten regions.
      
For each channel, the mean reflectance and the average texture of the composed images were analysed and compared with that of the daily images.
      
Mean reflectance differences between and among different infestations exhibited wide variability across the analyzed spectral range.
      
Mean reflectance of the training sites used for the seven different morphologic units.
      
MODTRAN 4.2b was utilize to investigate different methods for the spectral mean reflectance for the 0.6 and 1.6 micron band.
      
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The skin colors of 508 Chinese male and female children, aged frombirth to 3 years old, were measured with a digital color difference meter.The results showed that the chromaticity coordinates of average skin colors ofChinese children from birth to 3 years old are x=0.3697, y=0.3524; reflectance=30.4%. Comparing the results shown in male Ss with that in female Ss,we found that there is a little difference in chromaticity, and the purity ofskin colors of the males is higher than that of the females. The results...

The skin colors of 508 Chinese male and female children, aged frombirth to 3 years old, were measured with a digital color difference meter.The results showed that the chromaticity coordinates of average skin colors ofChinese children from birth to 3 years old are x=0.3697, y=0.3524; reflectance=30.4%. Comparing the results shown in male Ss with that in female Ss,we found that there is a little difference in chromaticity, and the purity ofskin colors of the males is higher than that of the females. The results showed that the skin color of newborns tends to be morereddish, and gradually becomes yellow as they grow older. The reflectanceof skin is the lowest in the newborn child and increases with its growth, andit is the highest in the 2-3 year olds, then gradually gets lower again.The purity of skin colors in the newly-born children is the highest, and itdecreases remarkbly as the infant grows in the period of suckling, and thengradually gets higher again.

采用一台302D型测色色差计对我国508名从新生儿到三岁幼儿(男性250人,女性258人)的肤色色度进行了测定。结果表明:新生儿期(出生1—14天)的肤色色度与婴儿期(2月—12月)及先学龄前期(1—3岁)有着明显不同,新生儿的肤色更偏于黄红,平均主波长为587.6nm;反射率为25.4%,明显较之其它年龄阶段为低。随着年龄的增长,肤色逐渐增加黄的成分,反射率也逐渐增高,到2—3岁阶段达到最高峰,平均反射率为32.1%。刺激纯度(饱和度)在新生儿期(1—14天)为30.4%,较之其它年龄阶段为高,但从婴儿期(2—12月)开始则明显下降,而从先学龄前期(1—3岁)又逐渐回升增高。这种情况可能代表我国黄色人种儿童肤色发展变化的一种规律。

Based on the observations from the 30th of July to loth of August 1979, we have analyzed the radiation regime in Tapaishan, the highest mountain (3767 meters high) in the Tsinling Mountions .The main results are as follows.1 ) The variations of direct solar radiation S, diffuse radiation D, total solar radiation Q and effective radiation E with elevation are shown in Fig 3, 4 and can be described by Eg. (8), (9), (10) and (11) respectively.2 ) The transparency of atmosphere in the south of mountain is less than...

Based on the observations from the 30th of July to loth of August 1979, we have analyzed the radiation regime in Tapaishan, the highest mountain (3767 meters high) in the Tsinling Mountions .The main results are as follows.1 ) The variations of direct solar radiation S, diffuse radiation D, total solar radiation Q and effective radiation E with elevation are shown in Fig 3, 4 and can be described by Eg. (8), (9), (10) and (11) respectively.2 ) The transparency of atmosphere in the south of mountain is less than that in the north of the mountain, and, therefore, the direct solar radiation is weaker and the diffuse radiation is stronger in the south than in the north of the mountain.3) On the south slope the direct, diffuse and total solar radiation are about 16%, 60% and 23% greater than those on the north slope respectively.4 ) In conditions of similar underlying surfaces, the albedo of slope varies with slope orientation.It is less in south slope than in north slope.5 ) The mean daily albedo should be calculated by the ratio of the daily amount of reflected radiation to that of total radiation, or by formula (14). The simple method to calculate mean daily albedo by arithmetic mean may lead to serious errors

本文根据1979年夏季在秦岭太白山布点观测的结果分析了辐射平衡各分量在高山上与山下平地的差异及其随海拔高度的变化规律,同时也分析了太白山南北两面水平面及坡面上辐射平衡各分量的差异及下垫面反射率与坡地方位的关系。此外,还提出了消除地形对直接太阳辐射和散射辐射影响的方法及计算日平均反射率的合理方法。

Lower average reflectivity can be obtained using two antireflection coating instead of one,because the double layer system is a better "impedance match" between the high index of the semiconductor and the low index of air.Electron-beam evaporation was adopted to deposit tantalum oxide and silicon dioxide on the silicon solar cells because of their applicable index.The refractive index of Ta2O5 and SiO2 we obtained is 2.15 and 1.45 respectively.The transparency of Ta2O5 film from 0.3μm to 0.9 Mm spectrum and...

Lower average reflectivity can be obtained using two antireflection coating instead of one,because the double layer system is a better "impedance match" between the high index of the semiconductor and the low index of air.Electron-beam evaporation was adopted to deposit tantalum oxide and silicon dioxide on the silicon solar cells because of their applicable index.The refractive index of Ta2O5 and SiO2 we obtained is 2.15 and 1.45 respectively.The transparency of Ta2O5 film from 0.3μm to 0.9 Mm spectrum and reflectivity between 0.4μm and 0.9μm spectrum interval were measured.The average reflectivity can be reduced to less than 5% when a suitable thickness of the double layer coating was deposited.A method was suggested to calculate the effective reflectivity average.By measuring the short circuit current before and after the performace of the coating.The results of the calculation and the direct measurement are neary identical.

我们采用电子束蒸发淀积得到了光学(折射率)匹配良好的Ta_2O_5和SiO_2体系,Ta_2O_5和SiO_2膜的折射率分别为2.15和1.45。测定了0.3—0.9μm光谱范围内Ta_2O_5单层膜的透过率和双层膜在0.4—0.9μm范围内的反射率分布。对蒸有厚度匹配良好的双层膜的硅电池,测得的平均反射率低于5%。 提出了一个以测定太阳电池在蒸发减反射膜前后的短路电流来估算平均有效反射的方法。估算结果和测定值非常近似,可用于蒸膜工艺和对膜质量的鉴定。

 
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