第四紀 的英文怎麼說

中文拼音 []
第四紀 英文
[地質學] quaternary period; anthropogene; quaternary
  • : Ⅰ助詞(用在整數的數詞前 表示次序) auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] (科第) gr...
  • : Ⅰ數詞(三加一后所得) four Ⅱ名詞1 [音樂] (中國民族音樂音階上的一級) a note of the scale in gong...
  • : 紀名詞(姓氏) a surname
  • 第四 : fourth第四產業 quaternary economic sector
  1. It suggests that gold accumulation occurred in the every main stage of geologic history of fujian from late - archaean era to quaternary period but the scale and the feature of the gold accumulation are different in different stage and yanshan metallogenic epoch is the most important period of mineralization of fujian gold deposits

    提出福建省內自晚太古代至第四紀的各個地質歷史發展的主要階段均有金的富集作用,但不同階段所形成的金富集規模及特徵明顯有別,燕山期為福建省金礦最重要的成礦期。
  2. This investigation is very significant for the further studies on paleoclimate and paleoceanography in the bering sea

    這一研究結果對白令海第四紀的古代候與古海洋學研究具有十分重要的意義。
  3. Characteristic of quaternary period the earth crustal movement in sanjiang plain

    三江平原第四紀地殼運動特徵
  4. It is believed that three northeast - striking dextral slip fault zones, i. e. the baxian - shulu - handan fault zone, the huanghua - dezhou - dongming fault zone, and the linyi - huanghekou fault zone, are the result of the tectonic transform of paleogene extending to neogene - quaternary laterally slipping of north china plain rift systems, which extend along the central axis of rifts and accord with the quaternary centers of subsidence as the main seismic structures within the rifts

    認為壩縣束鹿邯鄲斷裂帶、唐山河間磁縣斷裂帶和黃驊德州東明斷裂帶3條北東向右旋走滑斷裂帶為華北平原裂谷系從早伸展拉張作用進入晚第四紀走滑剪切拉張作用的產物,這3條斷裂帶分別位於3個北東向坳陷帶中部,並構成了第四紀沉降中心,與營口濰坊斷裂帶起構成華北平原內的主要強震構造。
  5. Pleistocene glaciation caused the extinction of many species.

    第四紀冰期,使許多物種絕滅。
  6. 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。
  7. The changes of 14 assemblages reflect 11 paleoclimate evolutioinary stages in this area during the quaternary. in the cold period, the climate was dry and enviroment was deficient of water, therefore, the terrestrial pulmonata was dominant in the gastropod fauna

    本文對北京平原區第四紀軟體動物化石進行了初步的研究,建立了14個組合帶,反映了本區第四紀時期經歷了大約11個古氣候演變階段。
  8. Quaternary lacustrine outwash : significance to the western qaidam, china

    柴西第四紀湖泊冰水沉積的發現及意義
  9. The quaternary sediments are largely undeformed.

    第四紀的沉積物大部分未變形。
  10. With the uplift of qinghai - xizang plateau and the to - and - fro of the quarternary glaciation and interglaciation, the muscid fauna was distinctly diversified in habitat and vertical zone

    青藏高原的橫空崛起以及第四紀冰期間冰期的循環往復,導致該地區生境千差萬別,使蠅科區系不僅有地域分異,且垂直差異顯著。
  11. ( 4 ) the formation and growth of structural traps and stratigraphic - unconformity traps in the area is controlled by three compressive stages of silurian - devonian, late permian - tertiary and oligocene - quaternary ; non - structural and compound traps mainly grew in the early paleozoic. structural traps mostly grew in the late paleozoic and the cenozoic and mostly grew on the north and south belts ; non - structural traps mostly grew in the northern area of the hetian concave. most traps in the area formed or typed at last in the himalayan episode, dispersed on the north and south belts

    ( 4 )研究區構造與地層不整合圈閉的形成和發育受志留-泥盆、晚二疊世-、漸新世-第四紀三個擠壓階段的控制;早古生代主要發育非構造圈閉和復合圈閉,晚古生代和新生代則主要發育構造圈閉:構造圈閉主要發育在南北兩帶上,其次為中帶;非構造圈閉主要發育在和田凹陷以北的地區;研究區內大多數圈閉是喜山期形成或最終定型的,在南北兩帶都有分佈,而海西期圈閉主要分佈於研究區中帶瑪南構造帶處。
  12. The mechanical genesis of the complicated rock mass is because several times of tectonism in pro - period made the structure of rock mass in the right dam foundation damaged seriously and rock mass alteration made its mechanical character more anisotropy. after that the fractures in the right dam foundation slope were stretched at the beginning of the quaternary period because in the period yakouhoushan mountain quaquaversal dome was blowups quickly. at the same time, the valley trenching of lancang river reach to 800 - 1000 meter in altitude at the right bank in nuozadu dam site

    導致右岸巖體復雜化的成因是,右岸巖體在早期遭受了多期構造作用和巖體蝕變的基礎上,第四紀早期丫口後山穹隆的快速隆起與當時河谷下切至800m 1000m高程這一特殊因素組合引起了右岸巖體沿原有的斷裂(裂隙)張開,使地下水等風化營力能夠到達坡體較深部位,經過長期的風化卸荷作用,形成了右岸復雜巖體。
  13. Dalinghe river ; hidden fault ; quaternary ; terrace

    大凌河隱伏斷裂第四紀階地
  14. Woolly mammoths died out during the late quaternary period.

    猛獁象在第四紀晚期滅絕了。
  15. A study on the yangfan quaternary section, linyi, shanxi

    山西臨猗楊范第四紀沉積剖面初步研究
  16. Yanqi basin is stituated between tarim basin and tarpan - harmi basin. its petrolenm system underwent the formation and destruction during jurassic - cretaceous, the activation and reconstruction during tertiary - quaternary

    焉耆盆地位於塔里木盆地和吐哈盆地之間,其含油氣系統經歷了侏羅-白堊的形成與破壞階段和-第四紀的活化與再建階段。
  17. Toward brilliant achievements : writing for 50th anniversary of chinese association for

    慶祝中國第四紀研究委員會成立50周年
  18. Through research, the organic matter of source rocks in carboniferous - permian coal measure strata began first hydrocarbon - generating in mesozoic, and the first hydrocarbon - filling took place. but, because of yanshan movement later, the carboniferous - permian strata rose, as a result, the first hydrocarbon - generating and reservoir - forming paused ; in early tertiary period, because carboniferous - permian strata dipping forward east originally turned into dipping forward west, the prototype of faulted block began to form gradually ; by the end of sha - 3 period of early tertiary, the paleogeotherm of carboniferous - permian strata exceed the mesozoic ' s temperature again, and accordingly, abundant hydrocarbon was generated and expulsed secondly. the trap continued to develop ; from the end of late tertiary to quaternary, the second hydrocarbon - generating and expulsing got to its peak, and the second reservoir - forming was over

    研究表明,本區石炭?二疊烴源巖在中生代發生一次生烴和排烴,並有油氣充注,后因燕山運動導致地層抬升,一次生烴和成藏過程中止;在早,原來東傾的地層變為西傾,斷塊圈閉開始具雛形;至早沙二末期,石炭?二疊系的大部分地層古地溫再次超過中生代一次生烴的溫度,開始二次生烴和排烴,圈閉持續發育;晚末?第四紀,二次生烴、排烴達到高峰,二次成藏完成。
  19. On this basis, it also studies the main recharge of groundwater, discusses the relationships between river and groundwater, shallow confined water and phreatic water, northern karst water and quaternary phreatic water as well, and get the recharge percentage which river recharges to phreatic water

    在此基礎上,研究了地下水的補給來源,探討了河水與地下水、淺層承壓水與潛水、北部巖溶水與山前第四紀潛水之間的相互關系,確定了河水對潛水的補給比例。
  20. 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
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