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fire balloon
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Originated in 1884, Dianshizhai Pictorial, which made pictures with novel and delectable news, supplemented with explanations in words, initiated the pictorial press of the late Qing Dynasty. Among all of the over 4 600 pictures, 280 ones ware related to science and technology, most of which were about western new technologies involving train, ship, submarine, fire balloon, and telegraph, etc. Compared with the other newspapers, Dianshizhai Pictorial contained more information, and thus a more intuitionistic...

Originated in 1884, Dianshizhai Pictorial, which made pictures with novel and delectable news, supplemented with explanations in words, initiated the pictorial press of the late Qing Dynasty. Among all of the over 4 600 pictures, 280 ones ware related to science and technology, most of which were about western new technologies involving train, ship, submarine, fire balloon, and telegraph, etc. Compared with the other newspapers, Dianshizhai Pictorial contained more information, and thus a more intuitionistic result was generated in transmission. At the same time, Dianshizhai Pictorial was also the reflection of Chinese peeples attitudes towards the western science and technology transmission into China: on one hand, it reflected the acceptance and recognition of Chinese people,e.g. on the issues of medical operations and photography; on the other hand, it reflected the repulsion and Sino-Western cultural conflicts, e.g. the idees of railways destroying geomantic omen, and rumors that the spirits of the dead were used to send telegraph, etc. On account of the peculiar position that Dianshizhai Pictorial occupied, its value in the studies on history of science and technology as well as communication of science and technology stands to reason.

创刊于1884年的《点石斋画报》择“新奇可喜之事”绘制成图,辅以文字说明,开创了晚清新闻画报的先河。统计可见,在该画报全部4600余幅图画中,与科技相关的占了280余幅,尤以西方新技术发明为主。相比于其它的新闻报刊,《点石斋画报》包含了更多的信息,在传播效果上也起到更加直观的作用。同时,《点石斋画报》还体现了中国人对西方科技传入中国的态度:一方面反映了接受和认同的情况,如对于西医手术和照相术等的赞美;另一方面反映了排斥和抵触的情绪,如认为修建铁路破坏风水、谣传用死者之魂炼成电气等。《点石斋画报》的特殊地位使之具有科技史、科技传播史研究的价值。

Wheat stripe rust(Puccinia striiformis West.f.sp.tritici Eriks et Henn.) can cause the yield loss of wheat in a large scale in China.It is reported that the key to control is monitoring this disease.A handheld sensor [ASD FieldSpec HandHeld FR(325-1 075 nm)made by ASD Company,1990] was used to measure the canopy reflectance of the disease in field via a fire-balloon flight.And the spectral data from near-ground correspondingly was also obtained.As a result,the difference between data obtained from...

Wheat stripe rust(Puccinia striiformis West.f.sp.tritici Eriks et Henn.) can cause the yield loss of wheat in a large scale in China.It is reported that the key to control is monitoring this disease.A handheld sensor [ASD FieldSpec HandHeld FR(325-1 075 nm)made by ASD Company,1990] was used to measure the canopy reflectance of the disease in field via a fire-balloon flight.And the spectral data from near-ground correspondingly was also obtained.As a result,the difference between data obtained from nearground and fire-balloon were found to be regular and distinctive.The reflectance data from fire-balloon were distinctively higher than that from near-ground.Statistic analysis of the reflectance at green band(580 nm) and yellow band(610 nm) was made.Then the regression model between reflectances obtained from near-ground reflectance and fire-balloon at the two of the most distinctive wavelength band.This model,to some extent,could be important to the research of monitoring of wheat stripe rust via higher platform.

小麦条锈病是我国小麦生产中的重要病害,对该病防治的关键是做好监测工作。本研究利用ASD手持野外光谱仪[ASD Field Spec Hand Held FR(325~1 075 nm)]和热气球在近地与高空研究了发病小麦冠层的高光谱遥感数据特征,获得了近地和对应高空2个不同平台光谱数据。经比较分析,发现高空数据与近地数据之间存在明显而有规律的变异关系,即高空获得的光谱反射率在可见光谱区域明显大于近地获得的光谱反射率。进一步对差异最显著的绿峰580 nm和黄边610 nm处数据进行回归分析,获得了高空光谱反射率值与近地光谱反射率值之间的回归模型,为进一步研究利用高平台遥感监测小麦条锈病奠定了一定的理论基础。

 
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