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yuan
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     The Study on the Handicraft of the Yuan Dynasty
     元代手工业研究
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     A Study of the Connections between Qu Yuan and the Culture of Witchcraft
     屈原与巫文化关系研究
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     A Study on the Administrative System in the Tu-bo Locality in Yuan Dynasty
     元代吐蕃地方行政体制研究
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     The Study on the Effect of Different Vegetation Regeneration Modes of the Serious Degraded Ecosystem in the Guang Yuan City
     广元市严重退化生态系统不同植被恢复模式生态效益研究
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     Study on Garnet in Shi Zhu Yuan Tungsten-Tin-Bismuth- Molybdenum (beryllium) Ore Deposits in Hunan Province
     湖南柿竹园钨锡铋钼(铍)矿床中石榴石的研究
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  相似匹配句对
     Yuan & C.
     Yuan & C.
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     Song and Yuan Dynasties;
     宋、元时期;
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  yuan
The EF per 10 thousand Yuan GDP per capita in Yanbian decreased from 1996 to 2002.
      
mangium plantations were 2,023.0, 2,158.4 and 2,260.4 t/hm2, respectively, and the all value of water conservation were 1,372.70, 1,474.42 and 1,549.91 yuan (RMB)/hm2, respectively.
      
In this article, based on Xia and Yuan linearization technique, we provide an upper bound of the complexity of this problem, which makes it pseudo-polynomial solvable.
      
Results indicated that in 2002, the compensation value for the green land of Shanghai was RMB 8.58 × 105 Yuan/hm2.
      
According to our calculation, the total value of ecosystem services in China is 77 834.48×108 RMB yuan per annum.
      
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The present article first outlines the various features of the coals in the Tai-yuan and Shansi Series as revealed from mecroscopic & microscopic studies soas to classify them into groups in accordance with the ingredients of coals. Secondlybased on such data, apart from the various metamorphic effects, which havedominant influence on the ranks of coal, the characteristics of the different coal-petrographical groups and the ratio of the contents of the micro-component mustbe also taken into consideration...

The present article first outlines the various features of the coals in the Tai-yuan and Shansi Series as revealed from mecroscopic & microscopic studies soas to classify them into groups in accordance with the ingredients of coals. Secondlybased on such data, apart from the various metamorphic effects, which havedominant influence on the ranks of coal, the characteristics of the different coal-petrographical groups and the ratio of the contents of the micro-component mustbe also taken into consideration in the determination of coal ranks. The authorpoints out the cause of the difference existing between the classification into stagesof metamorphism of the coals according to the coal-petrographical studis andthe classification into ranks according to chemical technological experiments. Thisdeviation is chiefly derived from the group-sample taken for the chemical techno-logical experiments has overlooked the stratigraphical relations of various coal-seams, while the specimens studied under coal-petrography reflects the true geo-logical setting of the same. In conclusion, it is suggested in the future study of coal ranks in this regionwe must (1) take into consideration of the areal variation of the coal-petrographi-cal features of one and the same coal-seam; (2) carry on extensive regionalstudies of coal-petrography as well as the study on the cycle of sedimentation;(e) use polished sections of larger size for statistics in the study of the relationof the micro-components of coal.

本文所论述的范围为汾河中游灵石、孝义、离山等地。这些地区的地质情况基本上与我国北方各地石炭三叠纪煤田相同。煤系地层出露良好,构造简单。所有可采煤层均位于上石炭纪的太原系及石炭二叠纪山西系,而石盒子系仅见有煤线。当地生产小窑数目众多,采取煤岩煤样比较方便,我们所用煤样即采自生产窑洞。所有煤样都为柱样及连续柱状块样,基本上合乎肉眼及显微镜观察的规格要求。煤样数目虽达二十余个,但因系统性不够,所以要以此材料来详细论述汾河中游煤的煤岩特征无疑是不可能的,鉴于现阶段煤岩学研究文章在刊物上尚少见到,故整理出来以作为对山西煤质变化规律探讨文献的补充。

In order to rectify the existing acoustic defects of the lecture hall of Wen-Yuan Building in our university, a series of acoustic measurements were carried out, and analysis and a scheme of reconstruction was proposed therefrom, After completing the alteration according to the new designs in the summer of 1956, the hearing conditions of the hall were found to be greatlly improved. The author pointed out, however, that due to the lack of experience in this kind of work and to the insufficiency of acoustic...

In order to rectify the existing acoustic defects of the lecture hall of Wen-Yuan Building in our university, a series of acoustic measurements were carried out, and analysis and a scheme of reconstruction was proposed therefrom, After completing the alteration according to the new designs in the summer of 1956, the hearing conditions of the hall were found to be greatlly improved. The author pointed out, however, that due to the lack of experience in this kind of work and to the insufficiency of acoustic instruments, there are still certain defects, the remedy of which would require further research work. Ⅰ. Introduction Ⅱ. A general description and analysis of the lecture hall before alteration. Ⅲ. Analysis and improvement from the view of geometrical acoustics. Ⅳ. Reverberation time. Ⅴ. Sound intensity distribution after alteration. Ⅵ. Noise reduction. Ⅶ. Some unsolved defects and problems.

为改善本校文远楼大讲堂内的音质缺陷,我们曾进行了一系列的音质测定和分析工作,并作了改建设计。1956年暑改建完毕以后,基本上已能符合听讲的要求,听者一般都感到清晰和满意。由于声学仪器和实际经验的不足,工作中尚存在着一些缺点和问题,在本报告中亦一一提出,以待今后继续加以研究解决。Ⅰ.绪言。Ⅱ.现况介绍和分析。Ⅲ.从几何声学上加以分析和改进。Ⅳ.混响时间的改进。Ⅴ.改建后的声强分布。Ⅵ.降低噪声的措施。Ⅶ.工作中存在的问题和缺点。

The raw bulrush was used in manufacturing sacks by nand in the past. For the first time it is mixed with jute and spun on jute machinery by the Tien Yuan Jute and Flax Mill, Wusih. The work is then continued by the Mill on a small experimental scale with bulrush only. The result indicates that it is capable to be spun. The study of bulrush degumming should be continued,

利用野生纖維来解决黄蔴原料的不足有着重大的經济意义。过去,蒲草是用作蒲包的,在大跃进中,无鍚天元蔴棉紡广用来与黄蔴混紡制成蔴袋;我們在这个基础上,利用蒲草純紡制成蔴袋,三次試驗,证明了蒲草純紡完全可能,但由于試驗次数还不够,脫膠問題也未进行研究,所以本文仅作参考之用。

 
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