In order to overcome the shortcomings of the old method of picture-taking, such as the low speed of picture-taking, low efficiency, off-grade pictures and low percent of pass, so the DC picture-taking system has been developed.

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The inventive light modulating elements contain a mesogenic modulating medium that exists in an optically isotropic phase when the light modulating elements are in operation and, in addition to having a good contrast, a low dependency on the viewing angle and very short switching times, they are particularly characterized by having relatively low driving voltages with a very low dependency on temperature.

根據(jù)本發(fā)明的光調(diào)制元件包含介晶調(diào)制介質(zhì)黄色视频免费黄色视频免费黄色视频免费黄，該介晶調(diào)制介質(zhì)在光調(diào)制元件的操作期間處于光學(xué)各向同性相和，除良好的對比度4455永久在线播放，低視角依賴性和非常短的響應(yīng)時間以外欧美性爱久视频，其特別突出之處為相對低的驅(qū)動電壓與非常低的溫度依賴性。

The results showed that the diurnal changes of photosynthesis of S. chinensis in tile overstory took on "double-peak" curve with remarkable midday depression. The midday depression was mainly due to non-stomata1 limitations. On the contrary, the diurnal changes of photosynthesis of S. chinensis in the understory took on "one-peak" curve with low Pn. The maximal Pn was only half of that of S. chinensis in the overstory. The correlation analysis showed that the limiting factor for this low Pn might be light intensity (p=0.001). Compared with its accompanying plants, S. chinensis was in a disadvantaged status in the community with low photosynthetic capacity, water use efficiency, and the ratio of photosynthetic rate to respiration rate.

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Some of them with visual loss, optic papilledema and orbital mass. B-scan ultrasonography revealed a cyctic tumor and a strong echo spot with spontaneous movement. On CT scanning, found was a well-defined hyperdensity mass in which there was a low density area. On MRI, the signal intensity of T1WI of cystic fluid was low or moderate and of T2WI was high, while the signal intensity of T1WI and T2WI of surounding scar tissue was still low.

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The contents of Chla and Car were sensitive to low temperature stress, it seems that they were vulnerable to low temperature stress and partly decomposed. Relatively, the content of Chlb changed little. The ratio of Chla/b had positive linear correlation with temperature, which meant the photosynthetic ability of podocarpus fleuryi Hickel seedlings declined under winter low temperature stress.

葉片中葉綠素a和類胡蘿卜素含量對低溫脅迫反應(yīng)較為敏感人人操人人干人人干，容易遭受低溫脅迫而部分地分解破壞，含量下降人人干99，而葉綠素b則相對變化較小亚洲天堂AV手机在线，Chla／b值呈現(xiàn)與溫度的線性正相關(guān)，顯示了長葉竹柏幼苗在冬季低溫脅迫下光合能力的下降情況玖玖爱资源网。

To study the ecophysiological effects of low temperature stress on podocarpus fleuryi Hickel seedlings, two-year-old seedlings were selected as experimental material. We conducted comparative study. On the one hand, seedlings were separately placed in the plots located at the top, half-way-up and the foot of Jinyun Mountain (different altitudes at Jinyun Mountain led to the difference in air temperature) and subjected to winter low temperature stress. On the other hand, in laboratory, seedlings were exposed to simulated low temperature stress which were artificially controlled .

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The change in the content of free proline was sensitive to low temperature stress, podocarpus fleuryi Hickel seedlings could strengthen their cold resistance through accumulating free proline., Though the hardening of low temperature, podocarpus fleuryi Hickel seedlings could increase their contents of soluble protein and strengthen their adaptive capacity to low temperatures.

長葉竹柏幼苗葉片經(jīng)過低溫鍛煉而增加可溶性蛋白質(zhì)含量，從而增強其對低溫的適應(yīng)能力日韩在线第二页，是長葉竹柏幼苗對漸冷的抗逆性適應(yīng)的表現(xiàn)日韩最大的黄色网站欧美最大的黄色网站。

There was a little difference betweenphotosynthesis characteristic of the two varieties,response of Jiamusi to low temperature andpoor light was more sensitive than that of Longjiao No.2 and decreased pronouncedly withdecreasing light.6.EC and MDA of pepper leaves increased under low temperature and poor light,therewere no significant differences between them with decreasing light at 21-23℃/8-10℃,butthey were increased dramatically at 15-20℃/5-6℃.So we can speculate that lowertemperature was the direct reason resulted in cell membrane lipid peroxidation.7.No significant difference of SOD activity was observed under suboptimal temperatureand poor light21-23℃/8-10℃;150μmol·m~(-2·s~(-1),but SOD and POD activity substantiallydeclined with lowering temperature and light as well as treatment time.8.Under suboptimal temperature and lower light,proline accumulated to increaseosmotic regulation capacity and alleviate chilling damage.Soluble carbohydrate of pepper leaves decreased progressively and significantly with decreasing temperature and lightintensity as well as longer treatment time.So we think that synthesis and transport ofphotosynthetic product were inhibited by low temperature and poor light as solublecarbohydrate was important component of photosynthetic product.

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This paper introduced the de- sign of a mixer,which had the functions of low voltage(3 V)supplied,low power loss mixer,low noise figure, high gain compression and well structured image rejecter,and it solved the problem of intermodulation distortion .

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Based on the cognition, a method is developed to assess the retrievability of temperature and the distribution of the global retrievability with HIRS/3 and AIRS data in Jan and Jul are firstly given by using the NCEP reanalysis data. The results show that the retrievability of temperature is low in the upper and lower atmosphere, and high between 400 hPa and 850 hPa. In geographical distribution, the retrievabilities are low in the low latitude marine regions and in some regions in Antarctica, and relatively high in mid-high latitude regions and continental regions.

基于這樣的認識最新黄色在线网址，本文首先利用奇異值分解方法結(jié)合經(jīng)驗正交分解技術(shù)，導(dǎo)出一種計算大氣溫度可反演度的方法国产va小视频，并利用NCEP再分析資料首次給出了全球1月和7月分別由HIRS/3和AIRS資料反演大氣溫度廓線時的可反演度分布欧美性爱一级大黄片，結(jié)果表明溫度的可反演度在高層和低層較小，400hpa—850hpa之間較大国产强奸av片。