特徵化石 的英文怎麼說

中文拼音 [zhǐhuàdàn]
特徵化石 英文
characteristic fossil
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
  • : 石量詞(容量單位, 十斗為一石) dan, a unit of dry measure for grain (= l00 sheng)
  • 特徵 : characteristic; feature; properties; aspect; trait
  1. Such complexes might have affinity for detrimental inorganic oxyanions such as arsenate, a common toxic contaminant in soils. the purpose of this study is to investigate the influence of environmental conditions on the adsorption of arsenate on fe - oxyhydroxide - monlmorillonte complexes, which is significant to agrology, geochemistry and environmental science

    本研究即以南方的土壤環境條件為參考,模擬在ph = 5時的酸性氧條件下,土壤中低聚合羥基鐵?蒙脫復合體的形成、物及其吸附砷酸根陰離子的行為。
  2. In the course, the condition and the process of forming and changing of minerals, the typomorphic features of minerals, the characteristics of the distribution and the evolution of minerals and their paragenetic associations in the period and the space, the methods of mineral analyses and research, the geological thermometers and the geologicial barometers of minerals, mineral paragenetic associations and paragenesis analyses will be introduced, and the magnificent and the microscopic genetic characteristics of pyrite, quartz, garnet, pyroxene, amphibole, mica, feldspar, and other minerals will be dealt with particularly

    本課程主要講述礦物及其共生組合的形成和變的條件和過程,不同物理學條件下礦物的成分、結構、形態、物性等標型以及它們之間的內在聯系,礦物及其共生組合在時間上和空間上的分佈和演規律,礦物成分、結構、形貌、物性等的分析測試方法,礦物地質溫度計和地質壓力計對其形成環境的表,不同體系(封閉體系、開放體系)條件下,礦物的穩定范圍和彼此替代順序的共生分析,重點介紹黃鐵礦、英、、輝、角閃、雲母、長等礦物(族)在成因上的宏觀標志和微觀信息,以及其成因信息在成巖作用和成礦作用中的地質意義。
  3. All these rocks aforementioned are mainly parametamorphic rocks. milan, kaqiang and alamasi group underwent high - grade metamorphism of amphibolite facies, together with weak migmatism. they share the same geochemistry and total ree and many other chracters

    二者主要為副變質巖,米蘭巖群和卡羌巖群、阿拉瑪斯巖群變質較深為角閃巖相,普遍弱混合巖,它們具有非常相似的地球,稀土元素總量及其它點一致或相近。
  4. But as a matter of fact, athropoda has some more complex characteristics than annelida, such as the exoskeleton, departmental body - plan and segmented appendages, which, as one parameter, results in the abundance of arthropod fossils in the chengjiang fossil lagerstatte

    但節肢動物還具有比環節動物更高級的,如:身體分部、附肢分節;循環、生殖、排泄等系統均較環節動物復雜高級,這可能是澄江庫中節肢動物種數豐富的一個很重要的原因。
  5. Through the ree charactheristics being studied, it suggests that the xenoliths from hannuoba, ximeng, and puning area have no the trend of lree enrichment, which ratios of lree / hree approximate 1. therefore, it is not different from archean lithospheric mantle

    稀土元素地球學研究表明,漢諾壩、錫盟、普寧等地區包體則無lree富集的趨勢, lree hree接近於1 ,因此它們與太古代巖圈地幔不同,稀土元素表明它們遭受了強烈虧損。
  6. Second, according to field investigation and wind - tunnel experiment, some scholar s advanced that barchan dunes often appear in dynamic equilibrium shapes when th ey move along the direction perpendi cular to the dune ridge under the influence of unimodle sand - moving wind

    風成沙的紅和圓度不宜作為判別其氣候意義的診斷性標志,應當結合動植物英砂顯微結構等線索來確定。
  7. The qiongzhong and danxian batholiths, as the largest early mesozoic syntectonic granite intrusions in hainan island, are mainly composed of porphyritic biotite two - feldspars granitoids, in which alkali - feldspar phenocrysts and dark minerals are foliated mostly in we - direction. the granites are of metaluminous i - type. major and trace elements show co - variations with sio2, suggesting the fractional crystallization of plagioclase, hornblende, apatite and ti - fe oxides in the evolution of the granites

    花崗巖的主量元素和部分微量元素成分與sio _ 2呈良好的相關關系,顯示出明顯的斜長、角閃、磷灰和ti - fe氧物等的分離結晶作用,總體上它們與大陸島弧花崗巖的微量元素豐度和分佈相似,系統地虧損ba 、 nb 、 sr 、 p和ti等元素。
  8. Based on available data, the study on regional structure, sedimentary reservoir and source rock characteristics shows that the basins in south china sea had experienced sedimentary evolution in faulting period and depression period, deposited thick cenozoic formation, upwardly developed alluvial fan facies, river - lake facies coastal swamp facies coastal facies, neritic facies and bathyal deposit system, regionally had 3 source rocks of eocene, oligocene and miocene, 3 reservoirs of pre - cenozoic basement buried bill, oligocene sandstone and miocene reef, with pliocene and pleistocene neritic facies and bathyal shale as regional caprock

    摘要以現有資料為基礎,通過對區域構造、沉積儲層、烴源巖等基礎油地質條件研究,認為南海海域各盆地經歷了斷陷期和坳陷期沉積演,沉積了巨厚的新生代地層,自下而上發育了沖積扇相、河湖相、濱岸沼澤相、濱海相、淺海相、半深海相沉積體系,區域上存在始新統、漸新統和中新統3套烴源巖,前新生代基巖潛山、漸新統砂巖、中新統生物礁3套儲層,區域蓋層為上新統和更新統淺海半深海相泥巖。
  9. And rock triaxial serve testing system is used, through model test involving bedded planes and a set of joint normal to the bedded planes in rock mass, multiple sliding failure affected by properties of joints and confining pressure is analysed, the condition triggering multiple sliding failure and characteristics of failure plane are given, under the co - action of inclination of connective joints ( bedded planes ), interlocking conditions of critical joints and confining pressure

    並在室內利用巖三軸剛性伺服機,通過模型試驗對巖體的層面和一組與層面正交的節理的情況進行模擬研究,分析了結構面性狀和圍壓對復合式滑移破壞的影響,給出了在貫通性結構面(層面)傾角、非貫通性結構面以及圍壓等因素共同作用下,節理巖體發生復合式滑移破壞的條件以及破壞面
  10. Although the fossil skull lacked the anatomy necessary for hearing directionally in water ( a critical skill for living whales ), it clearly had the diagnostic cetacean ear traits

    雖然那個頭骨缺少在水中聽方位(現生鯨豚不可或缺的本領)所需的構造,卻有鯨豚類有的耳朵,一點都不含糊。
  11. Geochemical characteristics and paleogeographic significance of early carboniferous cherts at the nongba section in the gengma area, southwestern yunnan

    滇西南耿馬地區弄巴剖面早炭世硅質巖的地球及古地理意義
  12. Chondrite normalized ree distribution patterns for the core q43 are comparable to those of the sediment of changjiang river and huanghe river delta

    球粒隕標準后的稀土元素具有與長江、黃河、黃土等上陸殼沉積物相一致的
  13. Comparative studies of ree geochemical characteristics of various geologic bodies in the deposit indicate that the various ores and alkaline volcanic rocks contain abundant ree, specially lree the chondrite - normalized patterns of both ores and alkaline volcanic rocks show a strong lree enrichment and positive eu anomaly, in contrasting with the dolostones which show slight lree enrichment and moderately negative eu anomaly

    同期成礦流體從早期到晚期(塊狀礦條帶狀礦) ,輕重稀土分異變小,稀土總量增加,條帶狀礦中稀土含量最高;礦黃銅礦6345值變在一0 . 3編到2 . 8 % 。范圍,顯示慢源硫;菱鐵礦6 』 3c ( 8 % 。
  14. Ranging from 100 to 200 microns across, the width of several human hairs, these microscopic fossils are surprisingly complex and constitute almost a textbook example of a bilaterian, including the three major tissue layers ( the endoderm, mesoderm and ectoderm familiar from high school biology texts ), the presence of a gut with a mouth and anus, and paired coeloms ( body cavities ) surrounding the gut

    這些微的大小為100 ~ 200微米,相當于幾根頭發的寬度, ?們看起來出奇復雜,而且簡直就像兩側對稱動物的教科書般,展示了各種:包括三個主要的組織層(內胚層、中胚層及外胚層,都是中學生物課本中熟悉的名詞) ,前後連介面部與肛門的腸腔,腸腔外還圍繞著成對的體腔。
  15. Ch. 2 biostratigraphy features, distribution and assemblage of three group fossils from many of the 7 geological setions, including conodont, coral and foraminifera fossils, have been comprehensively discussed. and a series of fossil assemblages can be recognized

    生物地層研究綜合各剖面上獲得的古生物資料,按牙形刺、珊瑚和有孔蟲等三大類論述了它們的、分佈和組合點,進而在魯班地區劃分建立了牙形刺生物組合帶。
  16. An integrated analysis of geological and petrochemical characteristics of various porphyry bodies ( groups ) in this porphyry belt show that porphyry bodies in this belt are cupreous or copper ( molybdenum ) ones which have good metallogenic prospects

    通過對該斑巖帶各斑巖體(群)地質、巖的綜合分析,表明其為含銅斑巖或銅(鉬)斑巖,具良好的成礦前景。
  17. Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits

    最後,綜合本區幔源礦物和地幔巖以及地球物理資料,得出如下結論:本區上地幔的物質組成有尖晶二輝橄欖巖、二輝巖、單斜輝巖、純橄欖巖、方輝橄欖巖、二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖;與中國東部以及華北地臺上地幔相比,研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的,局部熔融程度較高;上地幔存在橫向和縱向的不均一性,從西部的克里陽到喀拉喀什河和玉龍喀什河流域, al和lree富集程度呈下降趨勢,不同來源的相同礦物中主元素的含量差異較大;地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用;玄武巖漿的起源深度73km ;從幔源重砂礦物的溫壓估算結果,可以推斷出巖圈厚度可達204 . 9km ;綜合巖圈物質組成、巖圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖和幔源礦物的學成分,認為研究區具備了金剛成礦地幔地質條件。
  18. In this study, we have systematically studied on the diversities, variations of zeolite ores and the relationship between compositions and properties of zeolite ores in the muling ore - deposit, preliminarily established the prospecting and evaluating geo - chemical models of different types of zeolite ore bodies. moreover, we have found and verified one modernite ore - body and one clinoptilolite ore - body in muling. a multi - objective exploiting and utilizing plan has been preliminarily put forward to different zeolite ore - bodies

    本文實例(穆棱沸礦)研究,系統地探討了不同類型沸礦體的礦、礦類型、礦組分、礦品級和物性能的多樣性、多變性與空間變規律,以及礦組分與物性能之間的相關規律;提出並初步建立了不同類型沸礦的巖礦地球學預測評價模式;發現並初步查證:高品級的絲光沸礦體1個,絲光一斜發混合型礦體1個。
  19. The geological, geochemical and geochronological features regarding to this ophiolite melange and related blocks to its both north and south sides have been investigated in this thesis. as a consequence of this research the tectonic evolution process of western kunlun mountain has been discussed. the qimanyuter ophiolite melange takes role as a tectonic boundary separating south kunlun massif from north kunlun massif.

    本論文工作對該蛇綠混雜巖帶的地質、巖地球、主要巖單元的年代學,以及被它所分開的南北兩側地塊的地質、地球,初步恢復和探討了早古生代時期西昆侖造山帶的構造演過程。
  20. This thesis, according to limestone environmental characteristic and characteristic of construction of highway of mountain area of limestone, sets out in excavating from the road bed of the angle of environmental protection, according to trying not to excavate, how to reduce to excavate, how to reduce and excavate the impact on surrounding environment of the course, how to go on the expressway view and ecological environment and how to carry on environmental quality resume, we employ theories such as engineering of traffic, rock soil engineering, traffic psychology, traffic aesthetics, operations research, etc. we have excavated environmental protection theory and method and carried on research to the mountain area expressway road bed of limestone systematically, propose the road bed to excavate and optimize, slope protect, discard cubic meter of earth and stone deal with, natural river system recuperate recovery, view environmental recovery, environmental quality resume theory system of appraising etc.

    本論文依據灰巖山區環境灰巖山區高速公路建設,從路基開挖中環境保護角度出發,按照盡量不開挖、如何減少開挖、如何減少開挖過程對周圍環境的影響以及如何對高速公路景觀和生態環境進行恢復、如何對建設項目進行環境質量評價等思路,應用交通工程學、巖土工程學、交通心理學、交通美學、運籌學等理論與方法,系統地對灰巖山區高速公路路基開挖環境保護理論與方法進行了研究,構建了包括路基開挖優、邊坡防護、土方處理、自然水系調治恢復、景觀環境恢復、環境質量評價等理論或方法的灰巖山區高速公路環境保護理論框架,為促進灰巖山區高速公路的可持續發展提供了基本思路。
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