sediment core 中文意思是什麼
sediment core
解釋
沉積巖心-
Chondrite normalized ree distribution patterns for the core q43 are comparable to those of the sediment of changjiang river and huanghe river delta
球粒隕石標準化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特徵。 -
From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay
沉積微相研究是儲層非均質性研究的基礎，研究區有豐富的巖芯資料和測井資料，通過巖石組合、沉積韻律，砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志，結合古環境背景，確定沈84 ?安12塊s _ 3 ~ 4段為辮狀河三角洲體系，而不是前人所認為的扇三角洲（陡坡型）體系，在巖芯和測井組合上可進一步劃分為辮狀河三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合，其中三角洲平原沉積組合又可識別出辮狀分流河道、決口扇、分流河道邊部和分流間灣四種微相類型；三角洲前緣沉積組合識別出水下分流河道、水下分流河道邊部和分流河口壩三種微相。 -
The carbonate content varied from 0 to 34. 55 % in the column of drilling core ey02 - 2, the higher carbonate content related to materials of modern and old yellow river in postglacial period, while the peak carbonate content related to the shell fragment in the sediment, the dissolved cycle appeared to be the carbonate dissolved cycle of the atlantic mode
Ey02 - 2孔柱樣碳酸鹽含量在0 - 34 . 55之間變化，呈現大西洋型caco _ 3溶解旋迴，冰後期以來碳酸鹽高含量與高碳酸鹽的現代黃河和廢黃河物質有關，而中晚更新世碳酸鹽極高含量與貝殼含量有關。 -
To take samples that retain the larger structure of the sediment, a core sampler is used.
為了保持樣品沉積物的層次結構，就要用空心鐵管采樣器。 -
Isotope ; global change ; tree ring ; lake sediment ; ice core
同位素全球變化樹輪湖泊沉積物冰芯 -
The global change study is one of the most spectacular and interesting environment scientific questions in the 1990 s. the message of global change stores in tree rings, ice core, loess, underground water, lake sediment and deep sea sediment, all these proxies record the information of global change. with the advances in stable isotope techniques, the isotopic tracer records the message of climatic variation and becomes a powerful tool that can understand paleoenvironment reconstruction and modern environment changing
全球變化研究是90年代以來最為引人注目和關切的環境科學問題之一。全球環境變化的信息儲存於樹輪湖泊冰芯黃土地下水和海洋沉積物等載體中，隨著穩定同位素技術的發展，同位素示蹤劑指示環境變化的信息，成為了解古環境再造和現代環境信息變化的一個強有力的工具。 -
Dongzigou ag deposit and jianbaoshan au deposit are hosted in the sandstone of middle - proterozoic suberathem, which are developed from the proterozoic sediment metal source - rocks formed during the meso - proterozoic volcanism and reworked by the mesozoic tectono - magmatism during the formation of the metamorphic core complexes in eastern hebei. the dongzigou ag deposit has the characteristics of reformed strata - bound origin, the jianbaoshan au deposit, located in the detachment fault, is the alterated rock type. both deposits have the similar wall - rock alteration, and show the same trace element behavior, and ree patterns. they are the results of the multi - stage tectono - magmatism in the environment of continental extension in eastern hebei region. their mineralization depended on their wall rocks and relative location in metamorphic core complexs
賦存於中元古宙長城系常州溝組的洞子溝銀礦床和尖寶山金礦床是由密雲-都山變質核雜巖構造體系所控制的一組礦床。其成因為中元古宙火山巖漿活動形成的沉積礦源，后經中生代的變質核雜巖構造巖漿體系疊加改造而成。洞子溝銀礦床具有層控迭加改造的特點尖寶山金礦床則具有破碎蝕變巖型礦床的特點。 -
The sediment environment and matter sources of sediment in the area were determined through the study on distribution model figure of lanthanon in the core 1146
通過對稀土元素配分模式圖的研究，確立了本區沉積物的沉積環境及沉積物的物質來源。 -
The upper layer sediment of core q43 in the outshelf of the southern east china sea shows that it is the regressive sequence of littoral facies to offshore facies and of representative significance
以q43巖心為代表的東海南部外陸架上層沉積物，是末次冰期海退層序中，濱岸相-濱外淺水相沉積。 -
Bohai ; core sediment ; n - alkanes ; fatty acids
渤海柱狀沉積物正構烷烴脂肪酸 -
After various indexes including constant elements, trace elements and organic gases in core sediment of site 1146 were analyzed, the changes of their vertical section curves of content with depth were studied and the potential reasons were also discussed in the paper
通過對1146站位巖心沉積物各常量元素、微量元素及各有機氣體的測試分析。研究了各元素及氣體含量的縱剖面曲線隨深度的變化，討論了其可能的原因。 -
In this paper, ree are used to trace the core q43 sediment samples from the outer shelf of east china sea
本文通過對東海外陸架q43柱樣沉積物進行稀土元素分析，利用其稀土元素組成特徵來討論物質來源。 -
In the core, more than 20 kinds of lithofacies was recognized and more than 6 type microfacies including channel, inter - channel, sheet - like sand, lake and salt lake was distinguished. 2 founding stratigraphy framework through base level analysis four scales cycle was distinguished from the core. very - short term base level cycle is equal to a sediment incident
儲層物性較差，孔隙度多在11 - 13之間，滲透率多小於5毫達西，層內夾層較為發育，層內和層間滲透率差異明顯，滲透率變異數多在0 . 7以上，孔隙喉道細小，以小於0 . 1um的喉道為主。 -
Because of their prominent advantages compared with other achieves of environmental change, the study of high - resolution sequence of environmental change during the late quaternary mainly depends on the polar ice - core and deep ocean sediment
由於冰芯與深海沉積和其它環境演化信息的記錄載體相比優勢明顯，國際上的晚第四紀高解析度環境演化序列研究多採用冰芯與深海沉積序列。 -
Researchers found the same telltale signature of drought in a deep - sea sediment core drilled from the gulf of oman
研究人員在從阿曼海灣的深海沉積物中鉆取的巖芯中發現了同樣能說明問題的旱災的跡象。 -
Because the different end members of chinese sediment do not have any absolutely difference in ree composition, so it is difficult to tell from what part did core q43 sediment come only based on ree data
為了進一步說明柱樣沉積物的來源於中國陸源物質的某一端元，考察了陸源各端元物質的稀土元素組成的差別。它們稀土元素參數平均值有差異。 -
Computing the maximal grain size during incipient motion d _ ( cmax ) and gross bed - load transport rate in non - uniform sediment with a wide distribution are two important indexes for description its transport law, and it is also a core question for discussion in non - uniform sediment research
寬級配非均勻沙最大起動粒徑d _ （ cmax ）和推移質總輸沙率的推求是刻畫非均勻沙推移質輸移規律的兩個重要指標，也是研究非均勻沙運動規律的核心課題之一。 -
The sediments in the core are weakly weathered, lightly abraded and bad sorted, they have the same feature as river sediment, which is derived from near source and did not experience seriously transformation by ocean. due to the rate of insufficient sediment supply the sedimentation rate is low
碎屑礦物風化程度低，磨蝕不顯著，分選較差，河流砂特徵明顯，沉積物來自於近源，由河流輸送入海，海洋改造不十分強烈，由於物源供應不足，沉積速率較低。 -
Polychlorinated dibenzo - p - dioxins and dibenzofurans ( pcdd / fs ) in surface sediments at 7 stations, 1 sediment core and 2 mussels from qingdao coastal sea were analyzed using hrgg - hrms. the highest level was an order of magnitude higher than at other stations. the horizontal distribution of the total 2, 3, 7, 8 - substituted pcdd / fs in the sediments formed an east - west pattern
用高解析度氣相色譜一高解析度質譜方法（ hrgc一hrms ）對表層沉積物（ 7個） 、巖心沉積物（ l個）和貽貝（ 2個）中的多氯代二苯並二惡英/吠喃（ pcdd / fs ）進行了探討。 -
It is possible for us to detect the relation among ecology, environment changes, climate variance and human activities by studying the penguin dropping sediment. the sediment core was collected from the shore on the ardley peninsula during the eighteenth china antarctic research expedition using a 12cm - diameter pvc pipe
南極企鵝在某些地區是生態系統的主要影響因子，企鵝糞便沉積物記錄了上千年企鵝數量和分佈的變化規律，從而可以反映氣候、環境變化和環境污染、人類活動等因子對生態系統的影響。
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