Recent geochemical changes of hot-spring gases from Tianchi volcano area, Changbai mountains, Northeast China

Volcano at Tianchi lake, Changbaishan mt.& a modern volcano with potential danger of eruption

长白山天池火山&一座具潜在喷发危险的近代火山

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The volcano of Changbaishan Tianchi had erupted many times since the Miocene with heavy disaster.

长白山天池火山是中新世以来多次喷发并造成严重灾害的火山。

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Revealing distribution of modern eruption of Changbaishan Mountain Tianchi volcano by ERS-2 SAR image

利用ERS-2SAR图像纹理分析方法揭示长白山天池火山近代喷发物空间分布特征

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Characters of S-wave envelope broadening in Changbaishan Tianchi volcano

长白山天池火山区S波包络展宽的特征

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Discussion on potential eruptive risk of Tianchi Volcano, Changbaishan

长白山天池火山潜在喷发危险性讨论

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Ignimbrite forming eruptions from Tianchi volcano and their climate effect

长白山天池火山造伊格尼姆岩喷发及气候效应

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By analyzing the earthquake swarm recorded in 20 Aug., 2002, we found that the events are almost all located within the southwest of Tianchi Lake, and the focal depths are usually less than 4 km from the surface, the epicenters tend to northwest direction.

对2002年8月20日的小震群进行了分析，结果表明这些地震发生在长白山天池内的西南部，震源深度距离天池水面一般小于4km深，震群的震中位置呈北西向线性分布。

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Suzuki 2D diffusion model is modified and used to simulate the distribution characteristics of volcanic eruptive clastic sediment at Tianchi, Changbaishan. Furthermore, the influences of height of eruption column and wind velocity on the distribution of sediment are discussed.

修改了Suzuki二维扩散模型，并对长白山天池火山喷发碎屑沉降物分布特征进行了模拟，进一步讨论了喷发柱高度和风速对沉降分布的影响。

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X-ray studies of alkali feldspar phenocryst from alkaline lava at tianchi, Changbaishan

长白山天池碱性熔岩中碱性长石斑晶的X射线研究

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The Changbaishan Heavenly Lake volcano Cenozoic eruptive process in Jilin province and environmental impact of the volcanic disaster

吉林省长白山天池新生代火山喷发作用及火山灾害的环境效应

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Through the research on the Changbaishan Heavenly Lake and regional geological survey data ( 1 ∶ 50 000), the volcanic activities have been divided into four volcanic eruption cycles and thirteen volcanic eruption periods.

通过对吉林省长白山天池火山的研究及1∶5万区域地质调查资料，将区内新生代上新世以来的火山活动划分为4个火山喷发旋回及13个火山喷发期。

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Deposition of potash-magnesium salts in the Qarhan playa, Qaidam Basin

柴达木盆地察尔汗干盐湖钾镁盐的沉积

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According to a series of data of brine equal-temperature evaporation experiment, in connection with some sampling analyzing information during production, influent factors in carnallite production of solar pond such as brine concentration, temperature are analyzed and controlling methods are suggested.

根据察尔汗盐湖别勒滩卤水等温蒸发试验数据，结合大量生产取样分析资料，对盐田光卤石矿生产机理及其控制因素作了分析研究，并提出了管理措施。

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The Process Producing carnallite, in which brine is add to container for removal to sodium rather than to trench salt pan and solar salt pan used before, has came into use.

察尔汗盐湖光卤石生产工艺由早期的沟槽盐田到日晒盐田中兑卤进而完成了在容器中兑卤脱钠，成为实际运用工艺。

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Statistical study of the variation of k~ 1+ in intercrystalline brines in salt bed s_3 of the Qarhan Salt Lake as a function of time

察尔汗盐湖S3盐层晶间卤水K~（1+）随时间变化规律的统计研究

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Using these transducers in the automatic observing system for the dynamic states of the brine in Qarhan salt lake, good results have been achieved.

这些传感器用于察尔汗盐湖卤水动态自动观测系统中，取得了满意的效果。

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There are10 brine lakes surrounding the Qarhan Salt Playa, each maintaining its own life on the fresh water supply of inland rivers.

目前察尔汗盐湖正处在干盐湖早期阶段，即干盐滩与卤水湖并存的阶段。

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Trend surface analysis on fluctuation of intercrystalline brine with time and space during the time of mining brine in Qarhan Salt Lake

察尔汗盐湖采卤过程中晶间卤水水位时空变化规律的趋势面分析

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The transformation of potassium between minerals and brine was studied by surveying change of the concentration of potassium in liquid.

研究察尔汗盐湖光卤石中的钾在固液矿间的转化规律。实验考察转化过程中液相组成随时间的变化。

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Element geochemistry of sediment in the core of 91-ⅳ_ ( 4) in Qarhan Salt Lake

察尔汗盐湖91-Ⅳ4孔沉积地层元素地球化学的研究

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