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近期火山
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  “近期火山”译为未确定词的双语例句
     This paper overviews the recent developments in volcanic hazards mitigation abroad, including principal types of volcanic hazards, identification of high-risk volcanoes, identification, assessment and zoning of hazards, volcano monitoring and eruption forecasting, engineering oriented countermeasures and volcanic emergency management.
     概述了国外近期火山灾害减轻进展,内容包括:火山灾害分类,识别高危险性火山,灾害识别、评价和分带,火山监测和喷发预测,减轻火山灾害的工程措施以及火山应急管理等方面。
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  相似匹配句对
     VOLCANOES
     火山(英文)
短句来源
     RECENT GEOCHEMICAL CHANGES OF HOT-SPRING GASES FROM TIANCHI VOLCANO AREA, CHANGBAI MOUNTAINS, NORTHEAST CHINA
     长白山天池火山近期气体地球化学的异常变化
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     Volcanic Disasters
     火山灾害
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     Recent Development on Vat Dyes
     还原染料的近期发展
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     Evolutionary Characteristics of Recent Hydrothermal Explosions in the Tengchong Rehai Volcanic Geothermal Region
     腾冲热海火山地热区近期水热爆炸的阶段性演化特征
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  recent volcano
The sodalite-ankerite-baryte dyke system shows geochemical enrichment features, particularly in Na, Ba, Cl, Sr, REE, which are similar to the unusual natrocarbonatitic lavas of the recent volcano of Oldoinyo Lengai, Tanzania.
      


Mineralogical composition of the clay fraction(less than 1 μ)separated from fortyselected soil samples,representing six important soil types in Hainan island,was investigated by differential thermal analysis,X-ray diffraction,cation exchange capacity determination,chemical analysis and the measurement of ethylene glycol retention.The results showed that,for laterites derived from basalt,the predominant clay minerals arekaolinite,gibbsite and hematite;for other soil types,the predominant clay minerals areas follows:for...

Mineralogical composition of the clay fraction(less than 1 μ)separated from fortyselected soil samples,representing six important soil types in Hainan island,was investigated by differential thermal analysis,X-ray diffraction,cation exchange capacity determination,chemical analysis and the measurement of ethylene glycol retention.The results showed that,for laterites derived from basalt,the predominant clay minerals arekaolinite,gibbsite and hematite;for other soil types,the predominant clay minerals areas follows:for lateritic soils derived from acid rocks—kaolinite group(including halloysite);for tropical red earths derived from acid rocks—kaolinite and illite;for tropicalred earths derived from basalt—kaolinite group(including halloysite);for yellow earthsderived from granite and tuff—kaolinite group(including halloysite);for “savannah”derived from sediments—kaolinite and illite;for young tropical soils derived from recenteffusive volcanic rocks(mainly basalt)—montmorillonite and kaolinie group(includinghalloysite).Although the predominant clay minerals are similar for different soil types,there are still divergencies in minerals of secondary importance.It was found that parent rocks,climate,time and vegetation exert some influenceon the composition of clay minerals of the soils.The sequence of transformation of the layer silicate minerals in acid rocks in tropicalregion may be as follows:mic→illite→mixed layer minerals→montmorillonite→kaolinite.Owing to the intensive leaching,followed by accelerated depotassication and desilicationunder tropical conditions,the process of hydroxylation will be very short or even absence.Contrary to certain inference in the soils derived from effusive volcanic rocks(mainlybasalt),allophane are absent.The sequence of transformation of clay minerals in thetropical conditions seems to be montmorillonite→kaolinite group(including halloysite)→gibbsite.Results revealed that kaolinite can be derived directly from potash-feldspare in porphyritic granite under tical conditions.

应用差热分析、X 射线分析、化学全量分析、阳离子代换量和乙二醇固定量等方法,对海南岛六种主要土类的十六个代表剖面共约四十多个标本的粘粒(<1微米)进行了系列的研究。初步研究结果表明,玄武岩发育的砖红壤的粘土矿物组成以高岭石、三水铝石、赤铁矿为主;酸性岩发育的砖红壤性土以高岭类(包括埃洛石)为主;酸性岩发育的热带红壤以高岭石和伊利石为主;玄武岩发育的热带红壤以高岭类(包括埃洛石)为主;花岗岩和凝灰岩发育的黄壤以高岭类(包括埃洛石)为主;老沉积物发育的热带干草原土以高岭石和伊利石为主;近期火山喷出岩发育的热带幼年土以濛脱石和高岭类(包括埃洛石)为主。主要粘土矿物相同的某些土壤,在次要粘土矿物成分上仍有明显的不同。根据这些土壤的自然成土条件,分别讨论了母岩、气候、时间和植被等对土壤粘土矿物组成的影响。在海南岛热带气候条件下,酸性岩中层状铝硅酸盐矿物的转化规律是:云母→伊利石→混层矿物→濛脱石→高岭石捎谌却蛱跫碌牧苋茏饔们苛?脱钾作用和脱硅作用较为盛行,而不利于形成濛脱石的氢氧化作用的进行,在酸性岩发育的土壤中极少发现有濛脱石的存在?咦椿ǜ谘抑械男孪始爻な图爻な缁灞冉涎芯克得?钾长石在热带气...

应用差热分析、X 射线分析、化学全量分析、阳离子代换量和乙二醇固定量等方法,对海南岛六种主要土类的十六个代表剖面共约四十多个标本的粘粒(<1微米)进行了系列的研究。初步研究结果表明,玄武岩发育的砖红壤的粘土矿物组成以高岭石、三水铝石、赤铁矿为主;酸性岩发育的砖红壤性土以高岭类(包括埃洛石)为主;酸性岩发育的热带红壤以高岭石和伊利石为主;玄武岩发育的热带红壤以高岭类(包括埃洛石)为主;花岗岩和凝灰岩发育的黄壤以高岭类(包括埃洛石)为主;老沉积物发育的热带干草原土以高岭石和伊利石为主;近期火山喷出岩发育的热带幼年土以濛脱石和高岭类(包括埃洛石)为主。主要粘土矿物相同的某些土壤,在次要粘土矿物成分上仍有明显的不同。根据这些土壤的自然成土条件,分别讨论了母岩、气候、时间和植被等对土壤粘土矿物组成的影响。在海南岛热带气候条件下,酸性岩中层状铝硅酸盐矿物的转化规律是:云母→伊利石→混层矿物→濛脱石→高岭石捎谌却蛱跫碌牧苋茏饔们苛?脱钾作用和脱硅作用较为盛行,而不利于形成濛脱石的氢氧化作用的进行,在酸性岩发育的土壤中极少发现有濛脱石的存在?咦椿ǜ谘抑械男孪始爻な图爻な缁灞冉涎芯克得?钾长石在热带气候条件下,风化后可直接形成高岭石。由基性喷出岩发育的幼年土壤,其粘土矿物组成以濛脱石和高岭类矿物为主,不存在水铝英石。随着成土作用的加深,粘土矿物有濛脱石→高岭类矿物(包括埃洛石)→三水铝石的转化序列。

The complex geological structure, the frequent activities of volcanos, and the strong neo-tectonic movement are the favourable conditions for the natural mineral spring water to form and emerge. The basic characteristics of the carbonated mineral spring water in the Chang-Bai Mountains are: the contents of CO2, and H2SiO3 are very large, the mineralization degree is very high, and it is rich in some trace elements such as Sr, Li, Zn, ect. The majority of the silicic acid mineral spring water contain Srand some...

The complex geological structure, the frequent activities of volcanos, and the strong neo-tectonic movement are the favourable conditions for the natural mineral spring water to form and emerge. The basic characteristics of the carbonated mineral spring water in the Chang-Bai Mountains are: the contents of CO2, and H2SiO3 are very large, the mineralization degree is very high, and it is rich in some trace elements such as Sr, Li, Zn, ect. The majority of the silicic acid mineral spring water contain Srand some contain Zn.The natural mineral spring water is widely distributed in Jilin Province. Its exploitation has many advangeous conditions such as rich resources, concentrated distrution, and the excellent quality of the water. The basic strategy for exploiting the mineral spring water includes overall planing, protecting resources, making rational exploitation, increasing advertisement, etc.The recent activities of volcanos and the active faults are the two mechanisms to form the mineral spring water. So volcano groups and active fault belts in the province are the most hopeful locations to find the mineral spring water.

本文在分析矿泉水形成的地质背景基础上,论述了全省碳酸矿泉水以游离Co_2、偏硅酸含量高,尤其矿化度高,并富含锶、锂、锌为基本特征;硅酸矿泉水以含锶的淡矿泉水为基本特征。全省矿泉水分布广泛、泉点集中、资源丰富、水质优良、类型齐全,具有广阔的开发前景。近期火山活动与活动断裂是矿泉水形成机制的两种类型。各火山群与活动断裂带是寻找矿泉水新产地的有望地段。

Shanxi province and Neimenggu autonomous region are adjoining two provinces in north China.There are 150 mineral spring spots.16 warm spring sana toriums,3.820 beds. Mineral springs in Shanxi province are distributed mainly over fault—subsidence basin.They are deposit—basin type warm springs.Formation of warm spring in Neimenggu autonomous region related to short—term volcanic activity and faulting of new structure.They are distributed mainly over west of the Daxing'anling mountain- ous reion,and north of the...

Shanxi province and Neimenggu autonomous region are adjoining two provinces in north China.There are 150 mineral spring spots.16 warm spring sana toriums,3.820 beds. Mineral springs in Shanxi province are distributed mainly over fault—subsidence basin.They are deposit—basin type warm springs.Formation of warm spring in Neimenggu autonomous region related to short—term volcanic activity and faulting of new structure.They are distributed mainly over west of the Daxing'anling mountain- ous reion,and north of the Yinshan moun- tainous region. Water temperature of warm spring in two provinces is most on the low side. Neimenggu Ningcheng mineral spring water temperature highest is 90℃.In addition, there are yet 3 gas—springs.Shanxi Yuxian mineral sping radon contents are 780.7— 1291.3 B_q/L,second only to Liaoning Tanghe mineral spring in China.In Shanxi Daying mineral spring,hydrogen sulphide concentration is 180. 6mg/L,occupy first place in the whole nation.

山西省和内蒙古自治区是华北毗邻的省、区、共有矿泉点150个,建有16所温泉疗养院,总床位3820张。山西省的矿泉多分布于断陷盆地,为沉积盆地型温泉。内蒙古自治区的温泉形成与近期火山活动和新构造断裂有关,主要分布在大兴安岭山地以西、阴山山地以北。两省、区矿泉水温多偏低,此外还有3处气泉。山西盂县矿泉含氡量780.7~1291.3 B_q/L.在国内仅次于辽宁汤河温泉。山西大营矿泉硫化氢浓度为180.6mg/L居全国首位。

 
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