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观测表明
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  observations indicated
    Field observations indicated: during rape growing period, soil water contents of ridge-furrow planting fields were higher than that of conventionalflat-tillage field, especially in plow layer (0~30cm);
    野外对比观测表明:在油菜生长季内,垄沟种植下土壤的水分含量高于传统平作,尤其在地表0~30cm的耕作层;
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    The observation on the microstructure,composition and microhardness of the joint shows that the diffusion of C atom from 40Cr side to QCr0.5 sied,and Cu atom from QCr0.5 side to 40Cr side occurrs in the course of the welding.
    对接头区组织、成分、显微硬度的观测表明,焊接过程中发生了C原子从40Cr侧向QCr0.5侧的扩散,Cu原子从QCr0.5侧向40Cr侧的扩散。
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    The hot spots of fatigue in platform structures are at the connection welded toes.
    相关研究和观测表明海洋平台结构的疲劳热点部位是在构件相互连接的连接焊缝焊趾处。
    indicates that when wind speed is higher( 8.0m/s),the sand transporting quantity of artificial grassland of 200cm reduces 35.5% in average more than that of cultivate land,34.5% sand-transporting quantity than that of stubble land.
    1 对人工草地、作物留茬地及耕翻地的输沙量观测表明:劲风(≥8.0m/s)下,人工草地比对照耕翻地输沙量在200cm高度内平均降低了35.5%,比作物留茬地平均降低了34.5%;
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    SEM and AFM studies show that surface of the C60 film is very flat, arrangement of crystalline grain is even, morphology of C60 crystal is sharp.
    C_(60)薄膜的SEM和AFM观测表明样品表面光滑,且呈现出形态完整、分布均匀的晶粒。
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    Long term investigation result showed soil organic matter and available N content yearly decreased by 1.11 g/kg and 1.68 mg/kg, respectively.
    定位观测表明,土壤有机质和碱解氮年递减量分别为1.11g/kg和1.68mg/kg。
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  observations indicated
TEM and SEM observations indicated a raspberry-like morphology of the obtained nanocomposite particles.
      
The results of the analysis of the observations indicated, besides low gas concentrations well below their background values, significant variations in aerosol optical thickness (AOT) at visible and near-infrared wavelength regions.
      
Mechanistic observations indicated that the fracture front displayed similar mechanism at all test conditions.
      
Clinical and investigative observations indicated right orbital hemorrhage in the form of an isolated superior rectus muscle hematoma.
      
Visual observations indicated that starved aphids initiated penetrations earlier and penetrated for shorter periods than non-starved insects.
      
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本文从实验上研究了锰铋合金在不同热处理后的R(T)曲线(温度范围为-196°——+450℃)以及室温下退火样品的电阻随时间的变化情况,同时对于室温和液体氮温度下的磁电阻效应进行了初步观测,实验结果显示,用有序无序转变可以解释退火和淬火样品在高温范围内R(T)曲线的进程、电阻的变化在低温范围(-50°——-170℃)表现出热滞现象、磁电阻效应的初步观测表明:样品的在室温下约为0.1%,在-196℃下小于5%。

In this paper the results of the measurements of giant hygroscopic nuclei sampled in a series of flights over the region of the lower Yangtze during the periods of the August 1963 are presented. These measurements of the size and concentration of giant nuclei were carried out by the "isopie- stic" method. It is found that the distribution of giant particles over aforesaid region has some important characteristics: (1) The horizontal distribution of the particle concentration is not uniform. Occasionally, it...

In this paper the results of the measurements of giant hygroscopic nuclei sampled in a series of flights over the region of the lower Yangtze during the periods of the August 1963 are presented. These measurements of the size and concentration of giant nuclei were carried out by the "isopie- stic" method. It is found that the distribution of giant particles over aforesaid region has some important characteristics: (1) The horizontal distribution of the particle concentration is not uniform. Occasionally, it varies serval times within a range about 6--8 km. (2) The concentration of giant nuclei captu- red at the level of 1000m below which easterly current exists decreases inland with increasing distance from the coast, and because of the existence of the predominating western flow component, the concentration of gaint nuclei captured at the level of 1280m decreases unmarkedly. On the contrary, the concentration of giant nuclei increases far inland from the coast. (3) There are two maxima values of the concentration of giant nuclei in vertical distri- bution: One is situated at the transitional level of wind, and the other at the level of 3000--3600m above the ground. However, the concentration of larger nuclei of γ≥2μ decreases with height very slowly. (4) The concent- ration of the larger nuclei with radii γ≥2μ is nearly consistents with that of the large cloud-drops of γ≥50μ in cumulus.

本文介绍了1963年8月份长江下游地区吸湿性巨核的飞机观测结果。巨核的大小和浓度测量是用“等压法”进行的。观测表明,上述地区巨核分布具有某些重要特点:(1)巨核浓度的水平分布是不均匀的,在6—8公里范围内浓度可以相差好几倍;(2)在低空偏东气流影响下,巨核由沿海向内陆减少。而在1280米高度上,由於偏西气流存在,巨核向内陆减少不明显;在寓海岸较远的地方,巨核浓度反有向内陆增加的趋势;(3)巨核浓度的垂直分布有两个极大值,一个位於风的转换高度,另一个位於3000—3600米,而特大巨核随高度减少得十分缓慢;(4)特大巨核(γ≥2μ)浓度与积云中大云滴(γ≥50μ)的浓度是相当的。

A solar visual and photographic survey instrument has recently been constructed in the Nanjing Astronomical Instrument Factory. Both visual and photographic observations can be carried out simultaneously. The instrument is a refractive telescope with two tubes—the chromospheric and the photospheric. The effective aperture of both objective is 180 mm. In the main optical path of the chromospheric tube, there is a polarization-interference filter working at 6562.75A(H_a)with a half width of passband about 0.5A....

A solar visual and photographic survey instrument has recently been constructed in the Nanjing Astronomical Instrument Factory. Both visual and photographic observations can be carried out simultaneously. The instrument is a refractive telescope with two tubes—the chromospheric and the photospheric. The effective aperture of both objective is 180 mm. In the main optical path of the chromospheric tube, there is a polarization-interference filter working at 6562.75A(H_a)with a half width of passband about 0.5A. The filter is composed of ten sets of birefringent crystals and the last four sets are made for a wide field. For the main optical paths of the chromospherie and photospheric telescopes the interference filter for decrease light is adopted. The diameters of the chromospheric and photospheric images are about 25 mm and 71 mm respectively. In order to get satisfactory observational results, some effective measures were adopted, so that testing observations at the factory showed that the better chromospheric pictures exceeded the highest level obtained by all of the present chromospheric telescopes in our country. Some sample photographs as well as the schematie diagram of the telescope are given in this artiele.

色球光球双筒望远镜,可同时用目视和照相的办法巡视观测太阳H_a色球和光球层。两者物镜口径都是180mm,色球主光路中的干涉偏振滤光器工作波长为6562.78A(H_a),透过带半宽0.5A,由10级双折射晶体组成,最后四级为宽视场级。色球、光球主光路中都采用干涉滤光片减光,色球和光球象分别为25mm和71mm。试观测表明,色球照片已达到甚至超过国内现有几台色球望远镜的最高水平。

 
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