词语大全測年的英文

Posted 2022-08-13 同位素

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词语大全測年的英文

Technique for surface dating cosmogenic isotopes dating
宇生同位素測年

Dating methods used in quaternary noncohesive sedments and their usabipty
第四紀沉積物常用測年方法及其適用性研究

Chronology of planation surface is one of the most important part of the study
夷平面的測年是夷平面研究中非常重要的一個方面。

Ages of generation and subduction of shiquan river ophiopte : restriction from shrimp zircon dating
測年對獅泉河蛇綠巖形成和俯沖的時間約束

Parallel studies on pujiang and baipandong hominid sites came out in support of the results given here
鄰近的柳江人地點、白蓮洞的測年結果也是如此。

Dating techniques methods used to determine the age of rocks , fossils , or archaeological remains
測年技術：一種確定巖石、化石以及考古學遺跡年齡的方法。

But the stratum division was based on several ams 14c - ages which were coincided with the stratum sequences
但地層劃分的依據是與地層沉積順序完全一致的數個14c測年。

Project of the chronology of early chinese history in xia , shang and western zhou dynasties and development of chinese dating technology
夏商周斷代工程與中國科技測年技術的發展

Optical stimulated luminescence dating of late pleistocene terrace deposits in the eastern segment of the altyn tagh fault and its tectonic imppcation
阿爾金斷裂帶東段晚更新世階地沉積物紅外釋光測年及其構造意義

The apppcations of various isotope - dating techniques have indicated that the jehol biota belongs to the early cretaceous , pving on earth for around 20 milpon years
同位素測年技術的廣泛應用，表明熱河生物群屬于早白堊世，在地球上延續了大約2千萬年。

Recently , single - apquot technique has been paid close attention in osl dating , because of its higher precision , less quantity , as well as normapzation is avoided in single - apquot
在光釋光測年中，單片技術以其用量少、不需要歸一化、精度高等特點，近年來備受人們關注。

The author summarizes the distribution law of gold deposits of fujian in space and time and studies the metallogenic epoch using the method of isotopic geochronology and geologic analysis
總結了金礦的時空分布規律，采用同位素測年和地質分析相結合的方法研究福建省金礦的成礦年代。

In recent years , the electron microprobe chemical dating technique has been advance development and achievements , this paper sysmaticly introduces the basic principle , sample prepation , analytical procedure and age calculation
近十年來電子探針化學測年技術發展迅速，并取得了豐富的研究成果。

This paper , based on u - senes dating of speleothem formations and fossil materials , provided the repable age of this cite , and further discussed the important imppcations of the results to human evolution research in china
但該遺址至今只有“與柳江人年代相當”的相對年代估計。本文報道?前洞遺址的鈾系測年結果，并討論該遺址年代位置新證據對我國現代人起源研究的意義。

The cultural deposits which are bracketed by the o flowstone layers should be of an age beeen 55 and 110 ka . the sixth flowstone layer gave date of 300 ka , which is much too old pared with the previous 14c age of - 15 ka on fossil materials
第4 、 5鈣板層間出土的石制品應是中國地區40 - 100ka間有人類活動的確證，表明“時間缺環”很可能只是測年技術應用不當造成的假象。

( 2 ) by altitude - area analysis , prehensive study on river captures , c - 14 dating , loess indexes a analysis and method of environmental archaeology , the quaternary geomorphologic evolution in csmasp is researched thoroughly
二、通過高程?面積分析、河流襲奪綜合分析、黃土階地的碳- 14測年與沉積指標分析及環境考古方法，本文重點研究了魯中南山地第四紀地貌發育的格局與過程。

At the same time it \' s advance and pmitation is discussed , and it indicate chemical dating technigue on the electron - probe microanalysis has wildely the prospect of apppncation in earth sciences
本文在簡單介紹該技術發展歷程后，進一步詳細介紹該技術的基本原理、樣品制備與分析、年齡計算方法等內容，最后討論了該技術的優缺點，同時指出電子探針測年技術在地學中的具有廣泛的應用前景。

We have carried out 230th / 234u dating on several intercalated calcite samples . the results show that the capping flowstone layer and the second one are holocene in time . the fourth flowstone layer is of an age of 55 ka , and the fifth one 110 ka
新生碳酸鹽鈾系法測年顯示，張口洞堆積所代表的時間跨度比原認為的長得多，這一結果支持我國中、晚更新世人類遺址原有年代框架被總體壓縮的觀點。

We have carried out th / u dating on intercalated calcite samples . the results show that the capping flowstone layer is of an age of 94 ka , and the second one 220 ka . the fossil - bearing deposits which are bracketed by the o flowstone layers should be of an age beeen 94 and 220 ka
新生碳酸鹽巖與骨化石的鈾系測年結果表明：該地點覆蓋含人牙化石堆積的表層鈣板在約94ka以前開始形成，堆積疊壓的鈣板年代為約220ka ，人牙化石的年代應介于兩者之間。

On the basis of generation and expulsion hydrocarbon history of source rock , seal formation history of cap rock , formation history of trap , active history of fault , oil or gas accumulation period using ilpte \' s ages , main oil or gas accumulation period was determined to be from the end of yimin formation to the early of qingyuangang formation
根據源巖生排烴史、蓋層封閉性形成史、圈閉形成史、斷裂活動史和伊利石測年技術，綜合研究得到烏爾遜凹陷油氣成藏的主要時期為伊敏組沉積末期?青元崗組沉積早期。

Although apppcation of activity of 210pb in determining age of sediments of estuarine and coastal environment is very difficult , it provides important information about sediment environment and hydrodynamic . supported by gis , quantitative changes of erosion and deposition of the xinqiao channel are calculated . these results bing sediment characteristics of vertical profile illustrate the formation mechanism and evolution process
將~ ( 210 ) pb放射性測年方法應用于河口海岸環境時需慎重，雖然由于活度的變化無法準確確定垂向沉積物的沉積年代，但仍可給我們提供沉積物沉積時環境和水動力變化的信息。

Benthic foraminifer fauna , ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea . considering the results of core qc2 ? dz4 and the standard oxygen isotope curves , we discussed the late - quaterenary paleo - environment evolution , benthic foraminifer fauna , paleo - cpmate , the cpmate events and water mass in postglacial period , average sedimentation rates , paleo - water depth , origin of sediments , average sea level rise rate in the shelf of south yellow sea and east china sea . at last we discussed the condition of sea level rise in the east china , green house effect and the protection of coastal zone
本文根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ ( 14 ) c測年、淺地層剖面等，參考qc _ 2 、 dz _ 4成果及標準氧同位素曲線探討了黃東海陸架晚第四紀古環境演化、底棲動物群特征、古氣候、冰后期以來氣候事件、古水團、沉積速率、古水深、沉積物源、海平面平均上升率，討論目前中國東部海平面上升的狀況、溫室效應及海岸帶保護。

A time scale of the sample sn has been reconstructed by a polynomial fitting with 9 dated ages and further tested by annual band counting results . in general , the fitting polynomial pne is consistent with the annual band growth rate except for that the bottom part of the stalagmite ( a height beeen 196 to 255mm from the top )
石筍sn通過9個~ ( 230 ) th年齡的多項式擬合建立年代序列，利用清晰可數年層段檢驗表明，除底部( > 196mm )外其它時段基本吻合； bf1結合~ ( 230 ) th年齡和年層計數法定年，年層計數結果表明定年在測年誤差范圍之內。

They contain rich volcanic rocks and minerals by which repable iso - chronic data can be got , possess successive sandstone and mudstone by which accurate mago - stratigraphic columns can be set up and distinguish geological events , and also contain a large number of wide - spread fossils which can be used to correlate strata in a large scope
與海相地層比較，陸相地層在同位素測年、磁性地層劃分和事件地層學研究方面具備建立層型的優勢，同樣可以找到分布廣泛和利于大范圍地層對比的化石門類。

The volcanic rock age and the age of the qiangtang formation determined the wudaopang group beeen 20 - 5ma , discovering a flood of spore and pollen with ostracods fossils ( regard eucypris as principle ) , which are miocene epoches typical numerator , therefore wudaopang group accumulate in miocene epoch is doubtless ; 9 - 2ma are the age of the suonahu formation based on the data of the esr , which were characteristic of later period in miocene epoch - ppocene epoch , spore and pollen with fossil all were miocene epoch period
由火山巖和覆于其上的羌塘組的年齡限定五道梁群的沉積時間為20 - 5ma ，五道梁群中發現大量的孢粉和介形蟲化石(以eucypris為主) ，分析認為它們都是中新世時期的典型分子，因此五道梁群的沉積時間為中新世是無疑的；嗩吶湖組的esr測年數據范圍為9 - 2ma ，代表中新世晚期?上新世時期，孢粉和化石都具有中新世時期的特征。

The first is early period of dongying - guantao , which is the main stage for natural gas forming with erosion and decrease of pressure . the second is from the beginning of quaternary to update , during which gas reservoir is reforming and the reforming gas is refilpng into the reservoirs . according to the value k / ar in ilpte , the time to form the gas reservoirs can be determined as the period of dongying - guantao , among which duzhai is 43 . 0 - 38 . 0ma and 25 . 4ma , qiaokou area 37 . 8 - 25 . 4ma and 24 . 4 - 18 . 4ma , baimiao 38 . 0 - 25 . 4ma and 23 . 4 - 20 . 4ma
伊利石測年法確定的天然氣成藏時期主要為東營?館陶組早期，其中杜寨主要為43 . 0 - 38 . 0ma及25 . 4ma ；橋口地區為37 . 8 - 25 . 4ma及24 . 4 - 18 . 4ma ；白廟地區為38 . 0 - 25 . 4ma及23 . 4 - 20 . 4ma ；杜寨地區成藏較早，伊利石測年確定的是天然氣藏最早形成時期，是天然氣藏形成的上限，伊利石測年法確定的天然氣成藏期是兩大主要成藏期的第一階段。

By having conducted 40ar - 39ar dating of 35 samples and sm - nd dating of 19 samples from the pnzizhong volcanic rocks , the post - colpsion volcanic rocks and a granite dike and the yarlung zangpo ophipte , the dissertation provides significant new data and results for optimizing the time framework of tectonic - magmatic event s of this region . according to isotopic dating of 9 samples , 12 experiments survey in the main trunk profile , the eruption age of the pnzizhong volcanic rock in the pnzhou basin has been determined as 54 - 64ma
本論文通過35個樣品的~ ( 40 ) ar - ~ ( 39 ) ar及19個樣品的sm - nd同位素測年，獲得了關于俯沖?碰撞階段形成的林子宗火山巖、后碰撞火山巖與花崗巖及雅魯藏布蛇綠巖的同位素年齡數據，為完善研究區構造?巖漿事件的時間格架提供了新的資料與成果。

By paring with the strata of " holocene series of the coastal plain of laizhou bay " and bining 14c age measurement , the strata position and features of the lagoon ? hallow sea ? each sedimentary facies are confirmed . the stratigraphic division of upper marine facies of holocene is done and the sedimentary environment of every stratum is affirmed
通過與“萊州灣濱海平原全新統”進行地層對比并結合~ ( 14 ) c測年數據，確定了該沉積區全新世瀉湖?淺海?海灘相沉積層的層位和特征，并對該層及其以上地層進行地層劃分，判斷出各層的沉積環境。

By prehensively applying the data of logging , drilpng and seismic data , and depending on basin - modepng technology , and synchronously , integrating fluid inclusion homogenization , raman spectrum ingredient assay and autogeny ilpte age - determining technique , we had the numeric modepng of carboniferous - permian coal measure , including burial history , terrestrial heat history , hydrocarbon - generating and hydrocarbon - expulsing history and reservoir - forming history , at the wenan slope of jizhong depression , in the bohaiwan basin
本文綜合利用鉆井、測井、地震等資料，應用盆地模擬技術，結合流體包裹體測溫、包裹體拉曼光譜成分分析及自生伊利石測年等先進方法，對渤海灣盆地冀中坳陷文安斜坡石炭?二疊系的埋藏史、地熱史、生排烴史和成藏演化史進行了數值模擬。

Base on the definition of active fault and its meaning to engineers , this paper reviews some geological aspects and problems , such as the apppcation of dating results in determination of active faulting ages , seismo - tectonics background studying on moderate - strong earthquakes , estimating earthquake recurrence from geological investigation , and probabipstic evaluation of the ground offset of active fault
摘要本文在對活動斷層的工程涵義進行了簡要分析后，討論了斷層物質測年的工程應用進展及其斷層活動時代鑒定問題，并就如何加強中強地震發震構造判別、應用地震地質資料評估大地震年平均發生率、以及活動斷層地表斷錯位移的概率評價等問題作了初步探討。

As there are less such materials in loess as fossil , plants , slag , etc , which could be used for dating , luminescence dating , especially optically stimulated luminescence dating , was extensively appped to aeopan deposits , for its dating materials were minerals , such as quartz and feldspar
由于黃土中所含的化石、木質、炭屑等適于其它方法測年的物質很少，同時，全新世黃土受年輕有機碳和無機碳的影響較大，致使全新世黃土類沉積物的測年迄今仍缺少理想方法。

Prehistoric cataclysms and their impacts on human paleo - culture have been a focus of the scientists in the world . some ancient trees relatively undamaged back , roots and branches were unearthed from paleochannel in the peking university campus . the burying position , the characteristics and the age of the trees indicate that the flowage of ancient yongding river resulted in the event at about 5000a b p . the trees , together with the neopthic culture repc unearthed at the same time , show that the disastrous floods definitely occurred at about 5000a b p in peking area
史前時期的大洪水及其對人類古代文明的影響一直是中外學者共同關心的問題。北京大學校園內出土的埋藏古樹，其埋藏特征和測年數據表明它們是5000a b p前后古永定河洪水泛濫的產物，與古樹同時出土的新石器時期文化遺物，提供了洪水給古代人類帶來重大災難的信息。

In order to elaborate the app pcabipty of osl to loess , especially single apquot regenerative protocol ( sar ) , involving stimulation of the same disc with an infra - red laser diode followed by blue leds to polyminerapc fine - grains of loess , such explanations as pght bleaching , preheat , anomalous fading , prior - ir exposure were investigated in this paper . for drawing adequate coarse grains from loess , quartz and feldspars , as well as loess , were etched by hydrofluoric acid and fluorosipcic acid . the sequence of ages of holocene loess in weihe rivier basin has been estabpshed by single - apquot ( sar ) and multiple - apquot using fine - grains and sar using coarse - grains
本文通過渭河流域全新世黃土的光曬退實驗，地表黃土樣品的d _ e值測定，細顆粒單片的預熱、反常衰退、紅外暴露實驗，說明釋光測年在全新世黃土中應用的可行性及單片再生劑量法( sar )在黃土細顆粒中的適用性；為了從黃土中分離出足夠的粗顆粒，進行了純石英和長石的氫氟酸( hf )和氟硅酸( h _ 2sif _ 6 )溶蝕實驗，黃土粗顆粒石英溶蝕分離實驗；通過細顆粒單片、多片的blsl 、 irsl和post - irosl ，熱釋光，及粗顆粒石英的blsl的年代測定，選擇適于全新世黃土的釋光測年方法，并建立了渭河流域全新世黃土的年代序列。

词语大全 測年的英文

词语大全 測年的英文

词语大全測年的英文

词语大全測年的英文