過渡化石 的英文怎麼說

中文拼音 [guòhuàdàn]
過渡化石 英文
transitional fossils
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : Ⅰ動詞1 (由此岸到彼岸;通過) cross (a river the sea etc ) 2 (渡過) tide over; pull through 3 ...
  • : 石量詞(容量單位, 十斗為一石) dan, a unit of dry measure for grain (= l00 sheng)
  • 過渡 : transition; transit
  1. Dithiocarbamate [ s2cnr2 ( dtc ) ] and it ' s derivates were applied in chemistry 、 medical 、 petrochemical and other fields, it can coordinated with all kinds of transition metals, the anion of bidentate ligand also bridges two transition metals

    摘要氨荒酸鹽[ s2cnr2 ( dtc ) ]及其衍生物早已廣泛應用於學、醫學、工等領域,它與所有的金屬都可以進行配位,形成螯合物,雙齒的陰離子也可以作為橋鏈兩個金屬的配體。
  2. We know evolution happened not because of transitional fossils such as a. natans but because of the convergence of evidence from such diverse fields as geology, paleontology, biogeography, comparative anatomy and physiology, molecular biology, genetics, and many more

    我們知道確實有演的事實,並不是因為陸行鯨之類的過渡化石,而是來自不同領域匯聚起來的證據,像是地質學、古生物學、生物地理學、比較解剖與生理學、分子生物學、遺傳學等。
  3. The compositions of usual elements and rare earth elements and inclusions of corundum megacrysts related to alkali basalt in changle, shandong province, are analyzed. in the main parts of corundum megacrysts are a large number of fluid - melting inclusions, zircon, ta - columbite inclusions, and in the central crystal core are a large number of melting inclusions. the corundum megacrysts were formed in different periods and different physical chemistry conditions. the crystal core was formed in magma system, and the main parts were formed in inhomogeneously geochemical conditions in which magam and fluid phases coexisted

    分析山東昌樂與堿性玄武巖有關的剛玉巨晶不同部位的常量元素、稀土元素及包裹體組成.剛玉巨晶的主體以大量流體?熔體包裹體、鋯、鈮(鉭)鐵礦包裹體為主,而巨晶中的「晶核」部位則以大量的熔體包裹體為主,反映研究區的剛玉巨晶是在不同的階段形成的.剛玉「晶核」以及「銅皮剛玉」形成於熔體相為主的體系中,而主體剛玉則形成於熔體?流體的急劇變的不均一的地球學環境中
  4. This paper takes mobile engineering department equipment management of daqing petrochemical parent company as an example, and studies the design and application of equipment management system of daqing petrochemical parent company, for the implement of computerizing the equipment entire process management with the equipment management system and completing the synthesis management, the records management, the expense management, the fixed asset management, the specialized management and the information management with the computer system and making in the manual management some qualitative and stochastic ingredients transforming into the quantitative standard management. so it guarantees that we can perform advanced predicting management in the entire process of the matter movement and the value movement of equipment and complete the equipment servicing transition from the compulsory servicing and afterwards servicing to the preventive servicing, improving work quality, efficiency and modernized degree which the equipment manages and assisting enterprise ’ s equipment management decision - making and the whole realization of management goal and enhancing the enterprise ’ s interior equipment utilization and realizing its maximum profit

    本文以大慶總廠機動工程部的設備管理為例,對大慶總廠設備管理系統的設計與應用進行研究,旨在通設備管理系統實現設備全程管理計算機,由計算機系統來完成設備的綜合管理、檔案管理、費用管理、固定資產管理、專業管理及信息管理,使人工管理中一些定性的、隨機的成分轉變為定量的規范的管理,保證大慶總廠對設備的物質運動和價值運動的全程實行先進的可預知性管理,並逐漸將設備維修從目前的以強制性維修及事後維修為主到以預防性維修為主,提高設備管理的工作質量、效率和現代程度,輔助企業的設備管理工作決策及經營管理目標的整體實現,提高大慶總廠內部設備的利用率及實現其最大的經濟效益。
  5. The paper divided turbidite fan in deep water from long source into braided channel microfacies, inter - braided channel microfacies, medium fan over - belt microfacies, and external fan subfacies, and divided slump turbidite which related with delta into medium fan subfacies and external fan subfacies, and summed up 15 kinds of marking of subfacies and microfacies classification. at the same time, it formed a series of effective technology of analyzing turbidite source at the base of studying region geological which combined with analyzing the content change of terrigenous debris, with the found of logging facies, and with the ancient terrestrial magnetism test and other technology means under the guidance of three - dimensional model of turbidite which has been founded already and the flat surface feature of microfacies

    將遠源深水濁積扇劃分為辮狀水道微相、辮狀水道間微相、中扇帶微相和外扇亞相;將與三角洲有關的滑塌濁積扇劃分為中扇和外扇兩個亞相,並總結了濁積巖沉積劃分各種亞相、微相類型的十四種標志,分別為:巖類型、層理類型、砂巖單層厚度、粒度結構特徵(粒度中值、分選性、概率曲線) 、生物、儲層物性(孔隙度、滲透率) 、泥巖隔層特徵(泥巖單層厚度、層數、顏色) 、鮑瑪層序組合和自然電位曲線特徵。
  6. According to the analysis on the lithogeochemical features and the carbon and oxygen isotopes of calcareous sandstones, it is realized that there some genetic relation between the formation of calcareous sandstone and uranium mineralization in the oxidation - deoxidation transitional belt, that is the precipitation and enrichment of uranium is accompanied by the deposition of carbonate and formation of calcareous sandstone

    根據鈣質砂巖的巖地球學特徵,結合碳、氧同位素分析認為,氧還原帶中鈣質砂巖的發育與鈾礦的形成具有一定的成因聯系,即在鈾沉澱富集成礦的同時,伴隨著碳酸鹽的析出作用,形成鈣質砂巖。
  7. Such features can be ascribed to lower degrees of partial melting and greater melting depths. in particular, the decoupling between the lowest nag and highest tig tends to indicate residual jadeite during melting process so that na behaved as a moderately compatible element to lower the naao concentration in these rocks. this is consistent with the ree patterns in the high - ti diabases that have the highest ( gd / yb ) cn ratios than other two groups, which suggest a more important role of residual garnet in generation of the primary magmas

    運用mgo = 8進行標準,結合巖成因理論討論了三大系列輝綠巖的形成相對深度和熔融比例,其中高ti系列的原始巖漿形成深度大,熔融比例小,源區相對最為富集易熔組分;低ti系列的熔融深度最淺,比例最大,源區相對虧損易熔組分;ti系列則介於前兩大系列之間。
  8. The pore of schsc is smaller and more homogeneous than that of nhsc. fourth, the contribution to concrete microstructure of the expanding agent is very little at early ages ; however it is obvious at late ages to a certain extent. fifth, for the contribution of the mixing content of fly ash is that the contribution to the degree of early age concrete hydration is obvious to some extent, and that the contribution to the shape of hydrate of concrete is obvious

    實驗研究表明:自密實混凝土由於粉煤灰的摻量較高,其早期的水程度較低,但後期其細觀結構較普通混凝土好;自密實混凝土的骨料界面區與水泥的差別始終較普通混凝土小,其孔隙較普通混凝土小而均勻;膨脹劑對自密實混凝土早期的細觀結構影響不大,但對後期的細觀結構有一定影響;粉煤灰摻量對自密實混凝土的早期水程度有一定影響,且其對自密實混凝土水物的形態影響較大。
  9. During the yanshanian phrase, the area is in the condition of contractional background, with multi - staged tectonic reversion. 5. through studying the origin of volcanic rocks and the characteristics of magma evolution, it concludes that there exist 3 originated areas of magma - from mantle, crust, and mantle - crust exchange. the basic magma of nandaling volcanic rocks of early jurassic is derived from upper mantle ; the magma of tiaojishan volcanic rocks of mid jurassic is formed in the contractional tectonic setting, and derived from the transition zone of crust and mantle interaction ; the acid magma of l

    5 、通學、微量元素、稀土元素的研究,探討了不同級別節律的火山巖成因、巖漿演等特徵,認為本區燕山期火山巖有三個巖漿源區,即地幔源、地殼源和殼幔混源,早侏羅世的南大嶺旋迴的基性巖漿,起源於上地幔;中侏羅世髫髻山旋迴火山巖是在相對擠壓環境中,巖漿起源於殼幔帶;晚侏羅世無負eu異常的酸性巖漿來源於下地殼的古老結晶基底的局部熔融,有負eu異常的酸性巖漿來源於上地殼的局部熔融;早白堊世火山巖基性巖漿起源於上地幔,中性巖漿起源於下地殼底部的殼幔帶。
  10. 3 ) from the samples saturated completely by air to those saturated completely by brine, the velocities of compressive wave of the rocks increase obviously, with the extent of 11. 73 % ; the velocities of shear wave change little or decrease slightly, with the average of decreasing extent of 1. 21 % for shear wave 1 and 1. 16 % for shear wave 2. the difference of velocity between compressive wave and shear wave makes poisson ' s ratio increase obviously, with the average extent of 87. 25 %

    3 )從完全飽和氣到完全飽和水,珠江口盆地第三系砂巖、粉砂巖、碳酸鹽巖及其性巖類型的縱波速度是顯著增加的,平均增加幅度為11 . 73 ;橫波速度變很小,或略有降低,橫波1平均降低幅度為1 . 21 ,橫波2平均降低幅度為1 . 16 ;縱橫波速度的這種差異變導致泊松比顯著增加,平均增加幅度為87 . 25 。
  11. ( 2 ) the oxygen - rich spinel material from sintering the precursor at low temperature changed into perfect spinel structure due to releasing the excess oxygen when raised the sintering temperature slowly, which caused the lattice expanded and at the same time the system energy lowered and the bonding energy raised, and tansformed into the stoichiometric limn2o4 at 700

    ( 2 )低溫燒結合成的材料為富氧型尖晶材料,隨著溫度的升高,結構中多餘的氧逐漸釋放,系統能量降低,結合能增加,品格發生膨脹,樣品向完整的尖晶結構逐漸。 700得到的材料為學量的limn _ 2o _ 4 。
  12. The grain size of the porous layer is about 2nm and the thickness lamellar layer is a few tens of nanometer

    由鈦合金基體到羥基磷灰層是鈦的氧層,厚度大約幾個納米。
  13. The formation process of w - type ferrite underwent from oxide of metal, the m - type transition phase to final w - phase. when the heating rate was 5 / min, at 900 for 3 hrs and 1200 for 4 hrs, pure m - type and w - type ferrites were formed in air respectively. with heat treatment temperature increasing, crystal structure was more intact, the saturation magnetization increased and the coercive force decreased

    熱處理程表明, m型鐵氧體直接由金屬氧物反應形成,未經歷尖晶中間相; w型鐵氧體形成由金屬氧物到m相相最終向w相的轉變;當升溫速率為5 min ,溫度在900 ,保溫3小時和1200保溫4小時,就分別形成單相m相和w相鐵氧體;隨著熱處理溫度的升高和保溫時間的延長,衍射峰變尖銳,結晶更完整,空心微球的飽和磁強度增大,矯頑力減小。
  14. With so many breeds of dogs popular for so many thousands of years, one would think there would be an abundance of transitional fossils providing paleontologists with copious data from which to reconstruct their evolutionary ancestry

    千萬年來,狗的繁衍極為廣泛,照理說會有大量過渡化石讓古生物學家取得豐富的資料,以重建狗的演譜系。
  15. There are two series of cu, au deposits, the stratiformed deposits and the intrusive - related ones in the mineralization belt of the middle and lower reaches of the yangtze river area. comparative studies on forming geodynamic backgrounds, geological and geochemical conditions of the ore - forming systems have been undertaken in this paper. the stratiformed deposits were formed in hercynian period by submarine exhalation - sedimentation sedex of hot brine through the synchronous basement faults in a tensional environmental, and the intrusive - related deposits were formed in yenshanian in a tensional or a transitional period to tensional environment during the upper mantle doming by water - rock interaction and complex transport - chemical reaction dynamic processes, the ore - forming fluids were mainly magmatic water from melt - fluid partition and some meteoric water

    成礦流體系統形成的地球動力學背景及地質地球學條件對比研究表明,賦存於炭系中的層狀銅金礦床是海西期拉張背景下熱鹵水沿同生斷裂經噴流作用形成的海底噴流熱水沉積礦床與燕山期中酸性侵入巖有關的銅金礦床是在上地幔隆起張性或向張性背景下形成的,是中酸性巖漿經熔體流體分離作用形成的巖漿熱液與大氣降水混合,經水巖作用等復雜的輸運和學反應耦合程的動力學產物。
  16. By means of xrek sem, mip, bet modern testing apparatus and avenue, reinforced durability of nthpc mechanism by fd - 1 is studied. it is proved that mineral admixture can prompt pore tiny, promote interface station and decrease ch phase. ca ( no2 ) 2 can activate hydration reaction at early age, but it harasses migration mechanism of water in micro - pore,

    試驗證明,礦物外加劑使水泥漿體孔徑細、水產物相密實、界面區改善、 ch晶相總量減少; ca困02 ) 2促進和穩定了ch晶體生成,但改變了水泥中水的遷移機制,包括遷移途徑和速度。
  17. The comparison of cenozoic basalts and their mantle xenoliths from both sides of the taihangshan gravity lineament reveals that : ( 1 ) cenozoic basalts from western and eastern north china display opposite temporal trends, suggesting lithospheric thinning in western north china during the cenozoic and lithospheric thickening in eastern north china ; ( 2 ) the lithospheric mantle in the west is mostly late - archean to proterozoic in age, whereas that in the east has a modern age with minor proterozoic age ; ( 3 ) the crust mantle transition in the west is considerably thicker than in the east, probably due to different extents of magmatic underplating

    摘要通對比華北太行山重力梯度帶兩側新生代玄武巖及其中幔源包體的成分,發現: ( l )華北東、西部新生代玄武巖具有相反的演趨勢,說明新生代以來西部巖圈逐漸減薄,而東部巖圈逐漸加厚; ( 2 )西部巖圈地幔組成相對復雜,年齡多為晚太古代元古代;而東部巖圈地幔組成相對單一,年齡多為現代值,少數為元古代; ( 3 )西部殼幔帶較厚而東部較薄,反映兩地不同的巖漿底侵作用程度。
  18. The low - ti series show variable degrees of nb - ta depletion in primitive mantle - normalized spidergrams with slightly enriched to depleted nd isotopic compositions, whereas the transitional series exhibit similar geochemical features to emii - oib and have transitional characteristics between the high - ti and low - ti rocks. all three groups show no continuous shift in major and trace elements and cannot be regarded as different phases during magma differentiation process. on the basis of normalization to mgo = 8 %, the high - ti diabases have the lowest sig, nag and highest tig and peg

    詳細的巖學和元素-同位素地球學研究,這些巖具有各自不同的地球學特徵,其中高ti系列的低la nb 、 zr nb比值和虧損的nd同位素組成顯示其類似於oib的特徵,ti系列則顯示出emii - oib的特徵,而低ti系列則高la nb 、 zr nb比值和變的nd同位素組成顯示出一定比例的富集巖圈地幔或地殼物質的參與。
  19. Based on the analysis of the temperature test result of the landing rectangle aqueduct of caohe river for the emergency water supply project of the beijing - shijiazhuang section on the middle route of the south - to - north water diversion project, the temperature developing feature of the early - age hydration heat of the thin - wall concrete is described, and then the main effecting factors of the hydration heat temperature on the landing rectangle aqueduct and the control measures concerned are put forward herein

    摘要通對南水北調中線京段應急供水工程漕河槽段落地矩形槽溫度測試結果的分析,闡述了薄壁混凝土早期水熱溫度發展的特點,提出了影響落地矩形槽水熱溫度的主要因素與控制措施。
  20. China ' s petroleum enterprises have been experiencing market - oriented reform for more than years. because of the inertia ! effect of planning economic system, however, the market conduct of china ' s petroleum enterprises has a strong characteristic of " transitional period ", which leads to lack of the ability of enterprises " self - organization and highly governmental regulation

    中國油企業已經歷了20多年市場取向的改革實踐和探討,但由於長期計劃經濟體制運作下的慣性作用,其市場行為實質還具有很強的「性」色彩,政府高度規制、企業自組織力量不足是市場行為的基本表現。
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