過渡元素 的英文怎麼說

中文拼音 [guòyuán]
過渡元素 英文
intermediate element
  • : 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 ...
  • : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
  • 過渡 : transition; transit
  1. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明: 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化:隨海拔高度上升,機械組成由粉粒砂粒粘粒逐漸到砂粒粉粒粘粒,海拔1600m以下出現粘化層;土壤有機質豐富,表層有機碳含量一般在20g kg以上,有機碳含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土壤呈酸性或微酸性,並隨海拔上升, ph值略微降低,酸性增強,海拔2700m以上的土壤多呈鹽基不飽和狀態,表明土壤淋溶作用較強, ph值和鹽基飽和度呈極顯著正相關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ,礦質含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  2. 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、稀土及包裹體組成.剛玉巨晶的主體以大量流體?熔體包裹體、鋯石、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?流體的急劇變化的不均一的地球化學環境中
  3. It also implied that mother magma formed mafite was a residual melt trace elements distributed pattern is similar to transitional mid - ocean ridge basalt simultaneously, the pattern, which displayed a clear ( k ). rb. ba, th, ( th ) - enriched, also can be explained as an ocean ridge environment overlappe d with mantle plume

    其微量的分配形式類似於類型的洋中脊玄武巖,同時表現出( k ) 、 rb 、 ba 、 th 、 ( ta )的明顯富集,也可解釋為在洋中脊環境上疊加了地幔柱的特徵。
  4. The alloyed self - propagating high - temperature synthesis technology has been investigated in this paper, by which ceramic lined compound pipes can be produced. after active carbon powder and alloy steel powder are added to the thermit, the self - propagating high - temperature synthesis reaction starts. the effect of carbon and alloy elements on the interlayer of the compound pipes has been studied

    本文研究了合金化自蔓延陶瓷內襯復合鋼管製造技術,即在鋁熱劑中加入活性碳粉或合金鋼粉末,進行自蔓延高溫合成反應,分析了碳和合金對復合鋼管層的影響。
  5. This paper gives a review on the research work of organogallium complexes formed by gallium and main group element, transition element as well as typical ligands

    對最近幾年鎵與主族過渡元素及其他一些典型配體形成的有機鎵配合物的研究進展作一概述。
  6. In this thesis, previous research works on mg - based hydrogen storage materials have been reviewed. on this basis, the following works have been carried out : firstly, the part of ni in mg2ni alloys was partial substituted by the transition element cr. the effect of element cr and mechanical alloying on the phase structure and hydrogen storage properties of mg2nii. xcrx ( x = 0, 0

    本文在對國內外鎂基儲氫材料的研究進展進行了文獻綜述的基礎上,著重對以下兩方面內容進行了研究: ( 1 )用cr對mg _ 2ni合金進行了替換,研究了mg - ni - cr三合金的晶體結構、微觀特徵以及吸氫動力學性能。
  7. Except for the transitional elements, valency electrons are in the outermost electron shell.

    除去過渡元素外,價電子位於最外面的電子層。
  8. On the other hand, in order to get over the shortcoming of classical set theory, under which each member is required to belong to a unique set, the fuzzy set theory extends the classical set theory, providing a status between in - set and not - in - set as the smooth transferring status

    另一方面,模糊集合理論對經典集合論進行擴展,突破了經典集合「非此即彼」的精確二值邏輯,使得集合的歸屬狀態在集合與非集合之間有一個平滑的
  9. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉積程、合金成分、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化電位和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中的含量增加,輕硼的含量降低,同時證實了稀土共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(超聲波、磁場)和輕稀土ce 、 la介入后提高,重稀土y介入后降低。
  10. ( 2 ) it is concuded fiom n - a isotherm curves that being in dtherent periods, arrays and of dtherent electronic structurgy, the metal ions are of differet degree of m to monlayer fowi property of mse

    在本論文所涉及的幾種金屬離子中,第一主族的na ~ + 、 k ~ +離子、第二主族的mg ~ ( 2 + ) 、第四周期過渡元素中的mn ~ ( 2 + )對hise的成膜性能都有良好的改善。
  11. 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 、通巖石化學、微量、稀土的研究,探討了不同級別節律的火山巖成因、巖漿演化等特徵,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。
  12. A gradient is a smooth transition from one color to another. in addition, several color transitions can be applied to the same element

    漸變是自一種顏色到另一種顏色的逐漸。另外,多個顏色漸變可以應用到相同的上。
  13. The maximal power outputs of 37. 0 mw / cm2 and 30. 0 mw / cm2 for the p - and n - type laminated materials respectively at the temperature difference 490 have been experimentally obtained, which are about 2. 5 and 3. 0 times those of - fesi2. chemical analyses show that the interface failure between the bridge alloy and the semiconductor bi2te3 results mainly from the eutectic mixtures with low melting point and brittle compounds formed during welding and long time annealing at 190. it is found that the electrical properties of a laminated structure are mainly controlled by the wettability of the bridge alloy on the semiconductor surface

    發現: 1 )疊層材料具有明顯優于均質材料的熱電性能,在490溫差下, p -型和n -型疊層材料的最大輸出功率分別達到37 . 0和30 . 0 ( mw / cm ~ 2 ) ,是同類型均質- fesi _ 2的2 . 5和3倍; 2 )在焊接程和190長時間退火處理程中,焊接層合金和基體半導體(特別是bi _ 2te _ 3 )之間存在明顯的相互擴散,從而在層中形成一些低熔點共晶體和脆性化合物,這是導致疊層材料破壞的主要原因; 3 )焊接層合金與半導體基體之間的潤濕性是影響界面層電性能的主要因
  14. Through analyzing the phase composition and microstructure of sm2fe17 - xnbx alloys ( x = 0. 5, 1, 2, 3 ), we study the influence of the addition of element nb on the microstructure of sm2fe17 alloys. the results show that the as - cast structure of sm2fe17 - xnbx alloys can be improved effectively

    本文重點研究了添加族nb對sm - fe合金相組成和微結構的影響,實驗研究發現:添加微量的nb可以有效的改善sm - fe合金鑄態組織的顯微結構。
  15. Transfer coefficient of element

    系數
  16. So this paper is to discuss how to control the processing parameters so as to obtain the optimum microstructure and composition, thus we can get the excellent properties of sm2fe17 - xnbxny rare - earth permanent magnetic material

    本課題從sm - fe合金的制備工藝入手,加入nb ,有效地控制工藝參數,以獲得磁性能最佳的sm - fe - n型永磁體。
  17. The analysis results show that the mother band and solidified layer are bonded through the transition layer formed by element diffusion

    經分析得知母帶與凝固層的界面結合是靠相互擴散形成區實現的。
  18. Committed to the corporate mission of customer first and foremost, first ferry has invested considerable sums to upgrade services and implemented a series of cost - saving and revenue - generating measures since the service commencement in 2000. these include the investment of 200 million to acquire eight brand new catamarans and upgrading the main engines of vessels to enhance service reliability. as a result, first ferry has always been renowned for its reliability to provide exemplary service to facilitate passenger mobility in festive occasions ; in the years to come, first ferry will continue its efforts to maintain safe and high quality ferry services for commuters

    輪以服務優質乘客第一為經營宗旨,自2000年投入服務以來,一直投放資源提升服務質,當中包括斥資2億購置八艘全新高速雙體船,及更新輪主機,加強服務的穩定性,在往重大慶典的日子更能突顯新輪在應付疏導大人流的卓越表現,亦深得政府和社會人仕的信賴,新輪今後會繼續秉承宗旨,為大眾提供安全優質的輪服務。
  19. 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

    詳細的巖石學和-同位地球化學研究,這些巖石具有各自不同的地球化學特徵,其中高ti系列的低la nb 、 zr nb比值和虧損的nd同位組成顯示其類似於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比值和變化的nd同位組成顯示出一定比例的富集巖石圈地幔或地殼物質的參與。
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