系元素 的英文怎麼說

中文拼音 [yuán]
系元素 英文
lanthanides
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 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...
  1. The abstraction of elements from soil water by plant roots can have a marked effect on chemical reaction rates.

    植物根從土壤水中攝取養分能對化學反應速率產生顯著的影響。
  2. In general, excess calcium effects result from the anion with which the element is associated.

    通常,鈣過量是與該相聯的陰離子伴隨產生的。
  3. Research the horror element antetype system of chinese myth in hunan territory on chin and han dynasty, and use the mature myth antetype system of western to analyse the projection on the eastern mentality by the horror antetype of eastern jin

    研究中國古代神話中(以秦漢時期湖湘地區的神話為主)恐懼的原型統結構,以西方成熟的神話原型統分析東方神靈中的恐懼原型在東方藝術哲學心理上的投影。
  4. Effect of acupuncture on the changes of ion contents of aqueous humor and the immune system in senile cataract patients

    針刺對老年性白內障患者房水中的離子及免疫統的影響
  5. On the basis of the study on the petrology, trace element, and isotopic geochemistry, the primary magma of volcanic rocks can be divided into two series according to their originated rocks and degree of partial melting. one is the basanite - alkaline basalt - olivine tholeiite magma series, which are generated by partial melting from spinel iherzolite ; the other is nephelinite magma - alkaline picritic basalt magma, which are generated by partial melting of the garnet iherzolite

    巖石化學、微量、同位地球化學證據都表明,華北、華南地區的火山巖根據源巖和局部熔融程度的不同,可以分為兩個原生巖漿列:一個是源巖為尖晶石二輝橄欖巖,隨著局部熔融程度的增加,形成的碧玄巖巖漿-堿性玄武巖巖漿-橄欖拉斑玄武巖巖漿;另一個是源巖為石榴石二輝橄欖巖,隨著局部熔融程度的增加形成的霞石巖巖漿-堿性苦橄玄武巖列。
  6. 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

    花崗巖的主量和部分微量成分與sio _ 2呈良好的相關關,顯示出明顯的斜長石、角閃石、磷灰石和ti - fe氧化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豐度和分佈特徵相似,統地虧損ba 、 nb 、 sr 、 p和ti等
  7. The understanding of biogeochemical cycle of hydrogen, oxygen, carbon, nitrogen, and sulfur elements in nature ecosystem have increased substantially in the past two decades owing to the improvement of gas isotope ratio mass spectrometer and the wide application of isotopic studies with these elements

    摘要近20年由於氣相同位比值質譜儀的改良和氫、氧、碳、氮和硫等穩定同位的廣泛研究,穩定同位的研究技術已實質增加我們對于這些在自然生態中生地化循環的了解。
  8. In the chapter four, we studied some low - lying absorption spectroscopy and the resonant absorption probability of bohrium ( z = 107 ) by using mcdf method which included the correlation effects and relativistic effects systematically. we got some satisfied results of the ionization energy which make a good agreement with the results obtained by the semi - empirical method

    論文第四章通過統考慮電子相關效應和相對論效應,使用mcdf方法進一步預言了107號bh的幾個較低的激發態能級以及由基態到這些激發態的共振吸收率,得到的電離能和使用半經驗方法得到的電離能結果具有很好的一致性。
  9. Using the multi - configuration dirac - fock method ( mcdf ), we studied the characteristic of the decay processes of the 4d core excited states of csiv, the low - lying excitation structure of super - heavy element bohrium ( z = 107 ) and the x - ray spectra of the 3d - 4f transitions of highly charged xenon ions in details in this work, by including the electron correlation and the relaxation effects systematically

    本論文運用mcdf方法,通過統考慮電子相關效應和馳豫效應,分別研究了cs離子的4d內殼層激發態衰變動力學特性,超重bh ( z = 107 )的低激發態結構以及高離化態氙離子的3d - 4f躍遷產生的x射線譜的結構等問題。
  10. Studies of amido podands on extractive behaviour of lanthanide and actini des

    酰胺莢醚對鑭和錒系元素萃取性能的研究
  11. Synthesis and characterization of heteropoly tungstophosphateselenium complexes with lanthanide

    系元素硒磷鎢雜多酸鹽的合成及表徵
  12. Multivariate linear regression analysis of the element bonding parameter of the lanthanides and properties

    系元素鍵參數與物性的多回歸分析
  13. Rare earth elements ( rees ) consist of lanthanide series with atomic numbers from 57 to 71, as well as scandium ( atomic number 21 ) and yttrium ( atomic number 39 )

    稀土是指原子序數從57到71的鑭系元素以及與其同族的鈧和釔,共有17個
  14. The path - way controlling of neptunium in co - decontamination step of purex process, the extraction thermodynamics of amido podand and its usage in recovery of actinides from simulated hllw have been investigated. more than 95 % np were maintained in np ( v ) in 1a extractor and flowed into 1 aw, if enough amount of hno2 was added in feed adjustment and then hno2 scavenger ( urea ) was added before extraction. three kinds of amido podand were synthesized, and the extraction of lanthanides, actinides and some fission products were studied. one of them ( tbopda, n, n, n ', n " - tetrabutyl - 3 - oxa - pantenadiamide ) was used as extractant to recover actinides from hllw. the results of experiments show that more than 99. 99 % actinides were recovered from hllw and separated basically in groups. the main digests are as follows : 1

    鎿走向控制研究中通過調價階段加入亞硝酸、而萃取前清除亞硝酸的獨特辦法可以將大於95的鎿趕入1aw 。合成了三種酰胺莢醚萃取劑,研究了它們對錒和裂片的萃取熱力學,通過條件實驗選擇了其中一種莢醚tbopda ( n , n , n 』 , n 』 ?四丁基? 3 ?氧戊二酰胺) ,進行了從模擬高放廢液中分離錒鑭系元素的工藝研究,錒的回收率大於99 . 99 ,並且基本上實現了錒鑭的組分離。其要點如下: 1
  15. Nuclear criticality control of special actinide elements

    專用錒系元素的核臨界控制
  16. Standard practice for mounting actinides for alpha spectrometry using neodymium fluoride

    使用氟化釹的光譜法用的錒系元素測定的標準實施規范
  17. Since the unstable nuclei exist between actinides, including thorium and stable nuclei like lead and bismuth, explosive events such as supernovae are required to produce actinides

    自不穩定核之間存在著錒系元素,包括釷和穩定核像灌了鉛,鉍,爆炸性事件,如超需出示錒
  18. Their discovery marks the first abundance determination of the actinides element thorium in a star beyond the milky way, and follows the detection of thorium in more than ten stars within the milky way

    他們發現,標志著首豐測定的錒系元素釷星以外的銀河,跟檢測釷十余恆星的銀河
  19. Among three kinds of extractant, the entropy of tbdooda extraction is biggest, that of tbopda is least. lt means that configuration entropy makes the greatest contribution to the whole entropy change of extraction

    只有tbopda適宜於從hllw中問收分離鋼和瀾系元素,對三價崩讕蘋取分配比高。選擇的稀釋劑為40煤油辛醇。
  20. The feature of xrdb system is follow : the relation of xml element and it ' s son is keeped by relation - dictionary, as the same time the relation - dictionary keeped the element attributes, content and their corresponding in relation database. in order to get the more efficiency relation table, the dom tree of xml schema is trimed for getting orderliness xml schema. for efficiency rewrited path expression into sql, the relation dictionary keeps every xml element ' s absolute path

    Xrdb統的主要特色有:用關字典保存xml的父子關的屬性,內容以及它們對應的關數據庫表名,列名;對xml模式的dom樹進行修剪,使xml模式整潔,從而使映射得到的關的更合理;關字典保存了每個的絕對路徑,可以快速地把路徑查詢重寫為結構化查詢; xrdb的查詢結果是原來xml文檔的文檔片段。
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