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1)  depression period
坳陷期
1.
Study of sequence stratigraphy of depression period in southern Songliao Basin;
松辽盆地南部坳陷期层序地层研究
2.
Based on drilling,logging and seismic data,formation of depression period of Southern Songliao Basin be divided into nine third-order sequences,and third-order sequence is further divided into three systems tract or two systems tract.
为了揭示松辽盆地南部坳陷期隐蔽油气藏的分布规律,采用理论分析的方法。
3.
The evolution of Liaohe Depression could be divided into three periods, including Sha 4 and Sha 3 rift period, Sha 1+2 rift-depression period and Dongying depression period.
古近纪早期断陷特征十分明显,晚期则是坳陷特点显著,其演化可分为3个期次:①沙四、沙三期的断陷期;②沙一、沙二期的断坳转换期;③东营期的坳陷期
2)  depression [英][dɪ'preʃn]  [美][dɪ'prɛʃən]
坳陷
1.
The Study on Tectonic Evolution History of Western Depression Belt in Bayanhot Basin;
巴彦浩特盆地西部坳陷带构造演化史分析
2.
Gas exploration has achieved a great success in the western depression of Sichuan Basin, but difficulty of exploration and development also has been increasing.
四川盆地西部坳陷中段天然气勘探取得了巨大成就,但随着勘探开发的深入,工作难度愈来愈大。
3.
The deposita of shallow marine-littoral, lacustrine and fluvial facies of Upper Triassic in west Sichuan depression occur with abundant oil-gas resources, which form a petroleum system dominated by natural gas.
川西坳陷上三叠统沉积了浅海-滨海、湖沼与河流相地层,蕴藏着丰富的油气资源,组成了以天然气为主的含油气系统。
3)  Jiyang Depression
济阳坳陷
1.
Natural Gas Exploration of Jiyang Depression Viewed from Dongpu Depression;
从东濮凹陷看济阳坳陷天然气勘探
2.
Study of characteristics of the Cenozoic geotemperature field in Jiyang Depression;
济阳坳陷新生代地温场特征研究
3.
Analysis on Cenozoic paleogeotemperature of Jiyang Depression;
利用自生矿物探讨济阳坳陷新生代古地温
4)  Liaohe depression
辽河坳陷
1.
Diagenetic facies analysis and high quality reservoir prediction of the Cenozoic in southern segment of western slope of Liaohe Depression;
辽河坳陷西部斜坡带南段新生界成岩相分析与优质储集层预测
2.
Diagenesis of Liaozhong sag in Liaohe depression and pore evolutionin its middle-deep strata;
辽河坳陷辽中凹陷成岩作用与中深层孔隙演化
3.
Characteristics of volcanic rock reservoirs in Ou-Huang area of the eastern sag in Liaohe depression and prediction of favorable reservoirs;
辽河坳陷东部凹陷欧-黄地区火山岩储集层特征及有利储层预测
5)  Chuanxi depression
川西坳陷
1.
Evaluation on hydrocarbon source rocks in Jurassic system of Chuanxi depression.;
川西坳陷侏罗系烃源岩评价
2.
Seismic recognition of tight heterogeneous reservoirs in Chuanxi depression;
川西坳陷致密非均质储层地震识别技术
3.
Based on regional tectonics and water_bearing systems, the upper Triassic water_bearing system in Chuanxi depression may be classified as a sedimentary hydraulic system.
在阐述区域地质构造和含水系统划分的基础上 ,论证了川西坳陷上三叠统含水系统隶属于沉积水压系统类型 ,提出了研究深层水渗流场的原则和方法 ,并根据计算勾画了研究层水头等值线图和水动力分带图 ,揭示了深层水的流动特点和规律
6)  Suibin Depression
绥滨坳陷
1.
Comprehensive evaluation procedure of sealing capability of mudstone caprocks in early exploration period in Chengzihe formation of Suibin Depression,Sanjiang Basin;
绥滨坳陷城子河组泥岩盖层封闭能力综合评价
2.
Sequence stratigraphic characteristics and hydrocarbon prospect of Mesozoic Formation in Suibin Depression,Sanjiang Basin;
绥滨坳陷中生界层序地层特征及油气勘探远景
3.
Evaluation of gas transporting ability of Dongrong Formation sandbody in Suibin Depression;
绥滨坳陷东荣组砂体输导天然气能力综合评价
补充资料:欧洲式期权、美国式期权与亚洲式期权


欧洲式期权、美国式期权与亚洲式期权


  【欧洲式期权、美国式期权与亚洲式期权】期权合约所规定的权利有一定的时效期,过了失效日后,权利即行作废。一些期权规定权利仅能在有效期的最后一天执行,这种期权被称为欧洲式期权(ell功pean叩tions);另一些期权则容许在有效期内任何一天执行,这种期权被称为美国式期权(一~oPtions)。值得指出的是,虽名为欧洲式或美国式期权,但已无任何地理上的意义。由于欧洲式期权的规定过于严格,又出现了一种“改变的欧洲式期权”,它允许期权在一定的时间范围内进行交易。可见,美国式期权为期权购买者提供了更多的选择机会,因此,它的购买者也往往需支付更高的保险费。近年来无论在欧洲或美国,所交易的期权均以美国式为主,欧洲式期权虽仍存在,但其交易量已比不上美国式期权。 在so年代末期,市场上又出现了一种所谓亚洲式期权(asian ontions),但也无地理上的意义,其差别主要在于履约价值(exe而sev公此)的计算。以买权为例,无论是美国式期权或是欧洲式期权,执行权利所能得到的履约价值均为当时标的物的市价减去履约价格,再乘以合约所定的数量,但亚洲式期权的履约价值则为权利期间内标的物市价的平均(计算至履约日为止),减去履约价格,再乘以合约所定的数量。
  
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