稀有礦物 的英文怎麼說

中文拼音 [xīyǒukuàngwù]
稀有礦物 英文
rare mineral
  • 稀 : Ⅰ形容詞1 （事物出現得少） rare; scarce; uncommon 2 （事物之間距離遠; 空隙大） sparse; scattered 3...
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 礦 : 名詞1. （礦床） ore [mineral] deposit 2. （礦石） ore 3. （開采礦物的場所） mine
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 稀有 : rare; unusual; uncommon稀有貴金屬 rare precious metals; 稀有貨幣 scarce currency; 稀有氣體 rare g...
  • 礦物 : mineral
  1. Environmental mineral fibre mainly points crude minerals like sepiolite and palygorskite species layer - chained magnesian silicate, which have excellent physical - chemical properties and are rare environmental mineral materials in the world nowadays because of the rigor of their form conditions. the single crystals of palygorskite are mostly acicular and fibrous, 30 - 80nm of crystal diameter, and are typical crude nano - rank materials

    環境礦物纖維主要指以海泡石、坡縷石類層鏈狀鎂質硅酸鹽為主的天然礦物，具有優良的物化性能，由於其形成條件苛刻，為世界性稀缺的環境礦物材料，其單晶多為針狀、纖維狀，晶體直徑為30 - 80nm ，屬典型的天然納米級材料。
  2. In recent years, the colossal magneto - resistance effect in rare - earth manganite perovskites of the type lni. xaxmno3 ( where ln is rear - earth irons la2 +, nd2 +, p2 + ; a is alkaline earth iron ca2 +, sr2 +, ba2 + ) has attract considerable attention in scientific studies due to its potential application. however, the poor temperature dependence of mr and the low - temperature mr effect and the ideal mr only in high field severely limit their practical utility. in this work, we prepared manganite perovskite lai - xsrxmno3 and soft - magnetic ferrite materials fe2o3 and ( ni, zn ) fe2o4 by using sol - gel method separately

    近些年來，人們發現在鈣鈦礦錳氧化物ln _ （ 1 - x ） axmno _ 3 （ ln為la ， nd ， pr等稀土金屬元素； a為ca ， sr ， ba等堿土金屬元素）中具有磁電阻（ magnetoresistance ）效應，由於它在磁記錄，磁傳感器方面具有廣泛的應用前景，同時也向傳統的磁記錄材料提出了挑戰，因而引起了物理學界的廣泛關注。
  3. Through the study of characteristic of macroelement, microelement, rare - earth element, oxyhydrogen isotope, sulfur isotope, lead isotope, fluid inclusion etc, a conclusion can be drawn that metallogenic substance comes from the upper mantle with mixing of some substance from the upper crust latter. it is likely to have the same source with the surrounding rock

    通過對礦床的常量元素、微量元素、稀土元素、流體包裹體特徵、氫氧同位素、硫同位素、鉛同位素等特徵的研究，認為成礦物質主要來源於上地幔，與周圍巖石存在著同源的可能性，後期有一定的上地殼物質混入，成礦作用有三期，分別與區內的花崗巖、二長花崗巖脈、雲煌巖脈有關。
  4. 4 ree geochemistry of fluorite, siderite, quartz, magnetite, calcite in ores mainly controlled by ore - forming fluids, in contrasting to those of the metamorphic minerals which controlled by crystal structure. the ore - forming fluids of initial stage show larger lree / hree fractionation than that of later stage. a narrow range of 6 ~ 4s valus for early stage chalcopyrite ( - 0. 3 to 2. 8 ) suggested that s originated from the mantle and the 6 13c and 8 18o valus of siderite range from - 11. 17 to - 15. 37 % and from 8 ~ 9. 1, respectively, it indicates that the c and o of ore - forming fluids were derived from the magma or organogenous sediment

    6 、昆陽群因民組地層中出現的稀土富集、成礦與我國的白雲鄂博稀土ree一fe一nb超大型礦一床和澳大利亞的olympicdamcu一u一au一ag一ree超大型礦一床，在成礦時代、產出大地構造背景、成礦物質來源等方面具有較大的相似性，均體現成礦受控于中元古代1
  5. Comparison of the characteristic parameters of immobile elements, such as ree, sc, th, ti etc and of the characteristics of sedimentology and mineralogy comes to a conclusion that the provenance of the sediment is different in the last glacial maximum and in the sub - interglacial stage, and they have the traits of mixed source. during the last glacial maximum the sediment in the outshelf of the southern east china sea was affected weakly by changjiang river and they are probably derived from the coast mountains of zhejiang - fujian province, which are near the southern east china sea

    通過對東海外陸架樣品的稀土元素和sc ， th ， ti等不活潑元素地球化學物源示蹤指標對比，再結合沉積學和礦物學特徵，判斷末次盛冰期與盛冰期以前的沉積物具有不同的物質來源，不同時期的沉積物都具有混合物源的性質，盛冰期東海南部外陸架沉積物受長江物源影響較小，可能來源於距東海南部較近的浙閩沿海山地。
  6. The contents of rare - earth element in coals are correlative to the contents of the ash of these coals, with a few of coal samples showing exceptional high contents of rare - earth element due to the presence of the heavy mineral assemblages

    煤的稀土元素質量分數與灰分質量分數呈正相關關系，部分煤樣品由於有富稀土元素的重礦物組合的存在而出現稀土元素的異常高值。
  7. The formation process of green loose stone, be called an outside to living to pour to filter on the geology because of, matching these conditional rocks is the volcano of the acidity jet of rock with contain rich mineral apatite of granite, be matching these conditions to become on the earth green loose the mineral of stone is rare scarcity, is a very precious rare jewelry

    綠松石的形成過程，地質上稱為外生淋濾成因，符合這些條件的巖石是酸性的火山噴出的巖和含富礦物磷灰石的花崗巖，在地球上，符合這些條件成為綠松石的礦物罕見稀少，是很珍貴的稀有珍寶
  8. The western metropolitan area though has little mineral resources and underdeveloped external links, has rich cultural and national resources for tourism industry development

    西岸都市區雖然只有稀少的礦物資源，而且對外交通不發達，但卻有豐富的文化和民族資源，可發展旅遊業。
  9. In course of sinking the welt - shaft they came upon a deposit of a very rare mineral

    在鑿井中，他們，偶然發現一個稀有礦物的礦床。
  10. In course of sinking the well - shaft they came upon a deposit of a very rare mineral

    在把鉆桿插入井下的過程中，他們意外地發現了一種稀有礦物的礦床。
  11. These examples help explain why most environmental scientists believe that over the next few decades, the danger of degradation and exhaustion is greatest for potentially renewable resources, not nonrenewable resources ( except for petroleum and perhaps a few scarce minerals for which we can ' t find economically and environmently acceptable substitutes )

    這些例子有助於解釋為什麼大多數環境科學家相信在今後幾十年內，可再生資源被退化和枯竭的危險性是最大的，而不是不可再生資源（石油，還有少數幾種我們未能找到經濟和環保的代替品的稀有礦物除外） 。
  12. The wall rock of ore - bodies is the siliceous dolostone and alkaline volcanic rock ( trachy andesite ) in the yinachang deposit. based on the shape of ore - bodies and the structure and texture of ores, the deposit was identificed as synsedimentary with wall rocks. there occurred ree minerals, such as bastnaesite, monazite and allanite, associated with apatite and fluorite with ree contents to a certain extent

    礦體產出形態和礦石的結構構造等均顯示礦體與賦礦地層同沉積特徵；出現獨立礦物氟碳鈰礦、獨居石及褐簾石，磷灰石、螢石、菱鐵礦等礦物中也含有一定量的稀土，沿礦體走向和垂向稀土元素變化不大。
  13. On the paas - normalized plots, the parent granite and the granite weathering crust are enriched in lree without ce anomaly. while the groundwaters are also enriched in lree, they display significant negative ce anomaly, indicating the fractionation of ce during water - rock interaction. based on the study of two profiles of granitoid weathering crust, we concluded that ree concentrations in the groundwaters from the granitoid weathering crust are likely related to the continued chemical weathering, as well as the ree concentrations in the crust near the water table, clay concentration and the wate r ph values

    地下水與母巖、風化殼稀土的paas標準化分佈模式基本相似，呈lree富集型，母巖中無ce異常，而水樣中有ce負異常，表明ce在水巖作用過程中發生明顯的分異；通過研究兩個典型花崗巖風化殼剖面發現，地下水的稀土含量與連續的化學風化，以及水位附近剖面上的稀土含量、粘土礦物含量以及水的ph值等有關。
  14. Main research contents and achievements of this thesis is as follows : l. this paper carries through particular test and analysis to the basic physical - chemical properties of gaojiawang palygorskite, an environmental mineral fibre, by xay, ir, tem, sem etc. this paper has also discoursed upon the development appliance research status in quo and directions of palygorskite. 2. according to the preceding surface modification research achievements to nonmetal mineral materials, the author combines the self characteristics of palygorskite such as the ratio of length and diameter, typical nano - rank particle diameter, big ratio surface area, well - developed crystal growth imperfection and lattice defect etc. the author also designs organising modification ortho - experimentation of palygorskite by adopting iso - propyl alcohol as thinner of wd - 51 and ndz - 401, and acquires the best craft parameters and craft conditions for gaojiawang palygorskite original ore organising modification, namely : wd - 51 concentration 1. 6 % ( wt % ), modification temperature 120 ?, and modification time 60 mins ; ndz - 401 concentration 2. 0 % ( wt % ), c modification temperature 120, modification time 80 mins

    在前人對非金屬礦物材料表面改性的基礎上，結合環境礦物纖維?坡縷石自身的特點（如：長徑比、典型的納米粒徑、大比表面積、發育的晶體生長缺陷和晶格缺陷等） ，通過對坡縷石有機化改性設計正交試驗，採用（ ch _ 3 ） _ 2choh作為稀釋劑，獲得了採用wd - 51和ndz - 401對高家窪坡縷石原礦進行有機化改性的最佳工藝參數和工藝條件，分別為： wd - 51的濃度為1 . 6 （ wt ） ，改性溫度為120 ，改性時間為60min ； ndz - 401的濃度為2 . 0 （ wt ） ，改性溫度為120 ，改性時間為80min 。
  15. Studying the spreading circumstance of meteorite crater group, will be very economically valuable to the research of spreading rule and reasonable development of rare mineral water, special mineral

    掌握隕石坑群的分佈狀況，對珍稀礦泉水、特種礦物等資源分佈規律的研究和合理開發也有著重大的經濟價值。
  16. In order to find out the diggings of gold and rare element, then you get the stone samples ? ”

    為了找金礦和稀有物質礦，你們才去找石頭樣品的吧？ 」
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