測年 的英文怎麼說

中文拼音 [cènián]
測年 英文
age-dating
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 年 : Ⅰ名詞1 （時間單位） year 2 （元旦或春節） new year 3 （歲數; 年紀） age 4 （一生中按年齡劃分的階...
  1. Recently, single - aliquot technique has been paid close attention in osl dating, because of its higher precision, less quantity, as well as normalization is avoided in single - aliquot

    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。
  2. In order to elaborate the app licability of osl to loess, especially single aliquot regenerative protocol ( sar ), involving stimulation of the same disc with an infra - red laser diode followed by blue leds to polymineralic fine - grains of loess, such explanations as light 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 fluorosilicic acid. the sequence of ages of holocene loess in weihe rivier basin has been established by single - aliquot ( sar ) and multiple - aliquot 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，並建立了渭河流域全新世黃土的年代序列。
  3. By comprehensively applying the data of logging, drilling and seismic data, and depending on basin - modeling technology, and synchronously, integrating fluid inclusion homogenization, raman spectrum ingredient assay and autogeny illite age - determining technique, we had the numeric modeling 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。
  4. 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 - climate, the climate 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、底棲動物群特徵、古氣候、冰後期以來氣候事件、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。
  5. 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佈規律，採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。
  6. Parallel studies on liujiang and bailiandong 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。
  7. The volcanic rock age and the age of the qiangtang formation determined the wudaoliang group between 20 - 5ma, discovering a flood of spore and pollen with ostracods fossils ( regard eucypris as principle ), which are miocene epoches typical numerator, therefore wudaoliang 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 - pliocene 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徵。
  8. 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。
  9. Ages of generation and subduction of shiquan river ophiolite : restriction from shrimp zircon dating

    測年對獅泉河蛇綠巖形成和俯沖的時間約束
  10. Technique for surface dating cosmogenic isotopes dating

    宇生同位素測年
  11. Dating methods used in quaternary noncohesive sedments and their usability

    第四紀沉積物常用測年方法及其適用性研究
  12. By comparing with the strata of " holocene series of the coastal plain of laizhou bay " and combining 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」進行地層對比並結合~ （ 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徵，並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。
  13. Upper - air observations began in 1947 and from then onwards the annual publication was divided into two parts, namely " meteorological results part i - surface observations " and " meteorological results part ii - upper - air observations ". these two publications were re - titled " summary of radiosonde - radiowind ascents " and " surface observations in hong kong " in 1981 and 1987 respectively

    一九八一年，年刊第二冊改稱為《無線電探空儀觀測摘要》 ，而第一冊亦於一九八七年改稱為《香港地面觀測年報》 。一九九三年，該兩刊物由一本名為《香港氣象觀測摘要》的新刊物所取代。
  14. Upper - air observations began in 1947 and from then onwards the annual publication was divided into two parts, namely " meteorological results part i - surface observations " and " meteorological results part ii - upper - air observations " these two publications were re - titled " summary of radiosonde - radiowind ascents " and " surface observations in hong kong " in 1981 and 1987 respectively

    天文臺在一九四七年開始進行高空氣象觀測后，該年刊便分成兩冊：分別是氣象資料第一冊地面觀測及氣象資料第二冊高空觀測。一九八一年，年刊第二冊改稱為無線電探空儀觀測摘要，而第一冊亦於一九八七年改稱為香港地面觀測年報。
  15. ( 2 ) by altitude - area analysis, comprehensive 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。
  16. Annual sale income : 264. 00 million rmb yuan

    項目經濟預測：年銷售收入：
  17. The cultural deposits which are bracketed by the two flowstone layers should be of an age between 55 and 110 ka. the sixth flowstone layer gave date of 300 ka, which is much too old compared with the previous 14c age of - 15 ka on fossil materials

    第4 、 5鈣板層間出土的石製品應是中國地區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。
  18. Base on the definition of active fault and its meaning to engineers, this paper reviews some geological aspects and problems, such as the application of dating results in determination of active faulting ages, seismo - tectonics background studying on moderate - strong earthquakes, estimating earthquake recurrence from geological investigation, and probabilistic 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，並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。
  19. The tholeiite with late trassic age has been found in helanshan area on the north part of western margin of ordos basin

    在盆地西緣北部賀蘭山地區，發現典型拉張環境形成的拉斑玄武巖，測年時代為晚三疊世。
  20. This paper, based on u - senes dating of speleothem formations and fossil materials, provided the reliable age of this cite, and further discussed the important implications 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，並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。
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