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     THE GLACIERS IN XINJIANG
     新疆的冰川
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     The Peronosporceae in Xinjiang
     新疆霜霉菌
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Halophilic archaeon AJ6 was isolated and purified from the Altun Mountain National Nature Reserve of the Xinjiang Uygur Autonomous Region.
      
Chlorophytes of biological soil crusts in Gurbantunggut Desert, Xinjiang Autonomous Region, China
      
In this paper, chlorophytes collected from 253 biological soil crust samples in Gurbantunggut Desert in Xinjiang Autonomous Region, China were studied by field investigation and microscopical observation in lab.
      
Association study on GNB3 gene polymorphism with essential hypertension in Xinjiang Uygur group
      
The correlated study of hyperuricemia and metabolic syndromes among males of Han ethnicity in the Xinjiang Uygur Autonomous Regi
      
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This work was conducted in 1955-1956 at Nanking (32°03'N'),China.800 rice varietiesnative to China were collected and sowed under the day-length of 9.5,11.5,12.5,13.5,and 18hrs.and natural day-length as control.Bamboo frames with black oil-cloth were used to shutoff day-light for short-day treatments.While electric lamps were used to lengthen naturalday-length for long-day treatments.Seeds soaked with water for 36 hours and vernalized at25℃ for 12 days and then,sowed on May 20:It was demonstrated that even under...

This work was conducted in 1955-1956 at Nanking (32°03'N'),China.800 rice varietiesnative to China were collected and sowed under the day-length of 9.5,11.5,12.5,13.5,and 18hrs.and natural day-length as control.Bamboo frames with black oil-cloth were used to shutoff day-light for short-day treatments.While electric lamps were used to lengthen naturalday-length for long-day treatments.Seeds soaked with water for 36 hours and vernalized at25℃ for 12 days and then,sowed on May 20:It was demonstrated that even under warm and proper short-day conditions—commonly9,5 to 11.5 hours of exposure to light for 24 hrs.cycle—the length of growth periods (fromsowing to heading) for different rice varieties varied from 42 (The shortest one Changjidao,a native variety of changji,Xinjiang) to 88 days (The longest one,Hongzuijia,a nativevariety of Fenghua,Zhejiang).This characteristics of rice varieties was denoted by the term“short-day growth period”.According to length of growth period under short-day conditionwe divided the rice varieties into 10 classes as follows:The rice varieties were thus classified and the result was listed'in table 1.It shows thatthe rice varieties from South China varies from B_1 to B_(10);the Middle and South-western Chinavarieties,from B_2 to B_9;the North China varieties,from B_2 to B_7;the North-eastern Chinavarieties,from B_2 to B_6,and the North-western China varieties,from B_1 to B_3.This resultstrongly indicates that the property of “short-day growth period”of a rice variety is closelyrelated to the climatic conditions of its original habitat.In regions of high latitude or plateauwith high altitude,usually accompanied with shorter growing season,the rice varieties withshorter length of growth period would be suitable for cultivation;while in plains of lowlatitude,usually followed by longer growing season,the rice varieties with either shorter orlonger length of growth period might be recommended for use.The earliness of maturity of a rice variety is fully determined by its “short-day growthperiod”and response to day-length.Thus we had in Nanking: L,response to day-length;B,“short-day growth period”.The yield components,especially the number of spikelets per panicle varied greatly amongthe rice varieties of different response to day-length under the conditions of experimentaltreatments.The data show that for very weak response type of rice varieties,the averagenumber of spikelets per panicle varied from 9.5% to 105% (take average number of spikeletsper panicle under 11.5 hrs.of light exposure in 24 hrs.cycles as 100%) under the testedrange of day-length;for weak type 90%-120%;for moderate type 0-124%;for strong type0-218%;and for very strong type 0-150%.Thus,it is evident that the stronger the varietyresponds to day-length,the greater,the variations of the number of spikelets per panicle wouldbe.This was further confirmed by the evidence that rice varieties of L very weak andL weak types always show greater ability of adaptation to changed conditions.Hence,moreattention should be paid to rice varieties of these two types for specialists of seed improve-ment.It should be emphasized especially for seed improvement of subsp.Keng,because onlya few varieties now existed are of L very weak and L weak types with medium “short-daygrowth period”.Such types of rice varieties are urgently needed in present crop-production.

用800个中国水稻品种试验的结果指出:不同地区原产的品种不但对光照长度的反应特性不同,而且在短日照下的生育期也不同。这种特性称为短日生育性。北方的品种短日生育性较小;南方的品种从小到大都有。品种成熟期的早晚是其光照长度反应特性和短日生育性在一定环境条件下的具体表现,改变环境条件时,早晚熟的顺序随之改变。对光照长度反应弱的品种一般产量变化小,适应力大。试验结果得出各地区品种的光长反应特性和短日生育性。

Radio Observation of the solar eclipse of September 22,1968 at the wavelength of 21 cm was made in Kashi,Xinjiang by the expedition of Peking Observatory. The association of radio sources with the optical active regions is examined.Source flux densities,one-dimensional sizes,heights and brightness temperatures for these regions are given.The measure of emission from the sources above plages?)L is cal- culated to be 1.8×10~(28)electron~2/cm~5.

本文叙述1968年9月22日北京天文台在新疆喀什用波长21厘米射电望远镜进行日食观测所取得的结果.分析了射电局部源和光学活动的对应关系,给出了一些局部源的流量,一维半功率角径,高度和平均亮温度.计算了谱斑上空局部源的辐射标度■L≈1.8×10~(23)电子~2/厘米~5.

By analysing the time and space variations of the meteorological elements inthe course of a heavy sandstorm,the essay surveys the relationship between thesandstorm and the movement of the cold air.It points out that the cold air whichforms the sandstorm in Spring in the Gansu Corridor finds its way over TianshanMountains through the southern part of Xinjiang Uighur Autonomous Region downinto the Gansu Corridor.Having studied the circulation,the speed the day varianceand the slope of the cold front,and...

By analysing the time and space variations of the meteorological elements inthe course of a heavy sandstorm,the essay surveys the relationship between thesandstorm and the movement of the cold air.It points out that the cold air whichforms the sandstorm in Spring in the Gansu Corridor finds its way over TianshanMountains through the southern part of Xinjiang Uighur Autonomous Region downinto the Gansu Corridor.Having studied the circulation,the speed the day varianceand the slope of the cold front,and giving emphasis on the important role of theheat element in the course of the sandstorm,the essay points out that.The sand-storm provides itself with positive regenerative machine and intensifies in the day-time.In the evening,it provides itself with negative regeneration and subsidesquickly.A positive regenerative model of the outbreak and development of thesandstorm and a focal point in its forecast are given.

本文通过对一次特大沙暴(黑风)天气过程气象要素时空演变的分析,研究了河西黑风与冷空气移动的关系,指出翻越天山经南疆进入河西走廊是引起河西春季黑风的重要冷空气路径。通过对黑风的环流、风速日变化及锋面坡度的分析,并着重研究了热力因子在黑风过程中的重要作用,指出强沙暴在白天提供的正反馈机制,使黑风不断加强;傍晚前后,沙暴提供的负反馈作用则促使黑风迅速减弱。据此,构造了黑风发生发展的正反馈模型,并提出了黑风预报的着眼点。

 
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