礦物相變 的英文怎麼說
中文拼音 [kuàngwùxiāngbiàn]
礦物相變
英文
mineral phase change-
The discovery of the colossal magnetoresistance ( cmr ) in hole - doped perovskite manganites ra1 - xmxmno3 ( ra is a trivalent rare - earth ion and m is a metal ion ) has attracted much attention since 1989 due to not only its technological applications in magnetic recording and sensor, but also the effect of the strong correlation concerning metal - insulator transition in the field of basic research. since then, several physics models have been suggested to explain the mechanism of cmr. however, the exact mechanism of cmr remains to be done
自1989年在摻雜鈣鈦礦型錳氧化物ra _ ( 1 - x ) m _ xmno _ 3 (其中m為金屬離子, ra為三價稀土離子)中發現龐磁電阻( cmr )以來由於其在磁記錄、磁傳感器等方面潛在的應用前景,以及金屬?絕緣體相變等所涉及的強關聯效應,使該類化合物吸引了物理學界的廣泛注意。The efficiency and reliability of minerogenetic prediction can be improved by combining rs with gis. we processed rs images, extracted the geological information related to mineralizing, such as geology, structures, stratam, rocks, etc, synthetically analysed remote sensing, the geological data and geo - chemistry, under the guidance of the theory and mathematic model, set up gis mineralize model. on this condition, to develop this method and its theory, and to establish a system of perfect prediction, it is not only useful in studied degree area but also favorable for looking for new type and some form large - scale deposits in old studied area, and it has a great theoretical meaning
遙感與gis相結合用於成礦預測中可大大提高預測工作的效率和可靠性。通過對研究區的遙感圖像處理和地質、構造、地層、巖石、礦化蝕變等有關信息的特徵提取、遙感、地質數據和物化探數據的綜合與復合分析,在一定成礦理論和數學模型指導下,建立gis綜合找礦模型。在此基礎上,發展這一方法及理論並建立完善的預測體系,不僅對研究程度較低的新區礦床預測有用,而且對研究程度較高的老區尋找新類型和點狀大型、超大型礦床都具有重要理論意義和實際意義。Fusion is decades away from fruition, and even its proponents don ' t expect it to contribute to the world ' s need for alternatives to fossil fuel within the next 30 years
熱核聚變與其成果的實施相遙幾十年,即便其建議者也並不期望它在今後三十年內能夠對取代礦物燃料的世界需要做出什麼貢獻。The magnetic susceptibility of dianchi lake modern sediment decreases progressively from the edge to the middle of the lake, distributes with the heavy mineral of sediment basically unanimous, increases along with the degree of depth, negatively correlates with the total phosphorus
滇池現代沉積物的磁化率大小由濱岸帶向湖心依次遞減,與滇池沉積物中的重礦物分佈基本一致,在垂向上,隨著深度的加深而變大,與總磷呈負相關關系。Moreover, the main components of h mineral admixture is procured from industry waste, and its " production procedure is simple, so its " production cost is very low. the most tightness pile up theory and rheology is successfully applied in the designation of self - compacting concrete, and the factors such as sand rate, aggregate grading, paste content and mineral admixtures are been studied. under the guidance of mix design theory and on the basis of mass experiments, c20 - c80 high performance self - compacting concrete is been produced
將最緊密堆積原理和流變學原理相結合,運用於免振搗混凝土配合比設計之中,系統地研究了砂率、集料級配、水泥漿量、礦物摻合料等因素對免振搗混凝土物理力學性能、工作性能、耐久性能的影響,成功配製出從c20 - c80及以上強度等級的高性能免振搗混凝土。An important issue is that the dry bulk and shear modulus of sandstone are tightly correlated in a simple relationship with distribution of porosity, mineral composition, clay content, cementation, and differential pressure
砂巖的乾燥體變模量和剪切模量與孔隙度分佈、礦物成分、粘土含量、膠結度和差壓的關系是嚴格相關的,這一點非常重要。It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates
結果表明,與硅酸鹽水泥相比,由於礦物摻合料與水泥熟料在活性和水化機理上的差異,水化歷程有較大的改變:多組分體系誘導期、加速期和衰減期延長,水化反應速率明顯降低;低溫時,水化放熱速率曲線上的第二放熱峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰;高溫時,反應速率加快,雙峰合併;進一步研究發現,摻合料的種類與摻量對水化歷程也有較大的影響;建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。( s ) weathering and unloading action which are the two main exogenous process is active in epigenetic - surface. so, although one is different with the other, they are associated with each other closely and are cntrolled by geostress and seepage fields. in fact, weak weathered zone corresponds to weak load - off one, strong weathered zone corresponds to strong load - off one in virtue of result of this dissertation. ( 6 ) rock mass is a geologic body which is composed of rock and structural plane. and under the condition of geostress. temperature and seepage fields, correspondingly. studying weathering should pay attation to the aspects of rock, structural plane and fields. according to this. the author subdivises rockmass weathering into rock weathering and structural weathering, ulteriorly, the dissertation studies rockmass weathering from three aspects as follows : ? ock weathering : aberrance degree of mineral and physical mechanical performance of weathered rock ; ? e have already knew that weathering action damage the integrity of rock mass, but few applies it to engineering practice. the dissertation is based on trend o
本文研究結果為弱卸荷與弱風化大致對應、強卸荷與強風化大致對應; ( 6 )巖體是由組成它的巖石與缺陷賦存於一定環境場中的地質體,據此本文將巖體風化細劃為巖石風化與結構面風化,並進而將表徵巖體風化的指標相應地歸結為三個方面來加以研究並應用於工程實踐,這就是:對于巖石風化,主要為礦物的變異程度與風化巖石的物理力學性能研究:雖已認識到風化作用破壞了巖體完整性,但將該理論應用於巖體風化分帶卻不多見,本文即從淺表部位硬性結構面間距、條數、跡長、塊度等隨遠離臨空面的變化規律來研究巖體風化分帶:不同風化、卸荷程度的巖體實際處于不同環境場中,彈性波速變化與特定環境場相對應,因而是反映巖體風化、卸荷的綜合因素。The results demonstrate that the theory predicted values of compression, bulk modulus, linear expansion, and thermal expansive coefficient of compressed solids are very agreement with the corresponding experimental data. in summary, the error with respect to theory prediction and its causes are pro bably analyzed in detail. the discussion suggests that the function of the phenomenological short - distance repulsive force constant a ( v ) and approximation for anderson - griineisen parameter 5t ( v ) proposed in this paper are valid and applicable in high pressures ( up to loogpa ) and high temperatures ( from debye temperature 0d to melting temperature tm ) for many types of solids
在本文最後一節,為了驗證固體在等壓過程中anderson grhneisen參量乓與體積膨脹的唯象假設:乓久w兀的有效性,及由此假設而推導出來的等壓態方程的廣泛應用性,本論文主要針對十六種堿金屬鹵化物、三種堿性氧化物、三種硅酸鹽礦物質的線膨脹八n 、體積熱膨脹v vo ( n 、熱膨脹系數a ( n 、體積彈性模量肘d等隨溫度的變化作了理論上的預測,且與相應的實驗數據作了比較與分析The data of fluid inclusion analysis showed that the filling of minerals mainly happened during the burial period
各種自生礦物充填的不均勻性揭示了巖石與孔隙水之間相互作用的復雜性,以及巖溶水在不同時期是變化的。By research these, wocan know : 1 ) in different fineness cement, the dosage of mineral admixture improve the fluidity of cement mortar. when the dosage reach 50 %, the effect of mineral on fluidity can be better than the changing fineness of cement. 2 ) to different fineness and dosage mineral, the improve of mineral can improve the compatibility
通過研究結果發現: 1 )對于不同細度的水泥,當礦物的摻量達到50以後,礦物摻合料對水泥膠砂流動度的影響顯著,而水泥細度的變化對相容性的影響較小。Based on the variation of light / heavy mineral components of sedimentary rocks, the typomorphic characteristics of various debris, the cathodoluminescence color of quartzes, the direction of paleocurrent and the extension of sedimentary facies, two source direction of the studied area in carboniferous and permian can be recognized, one is in bayanwusu, wulan ' ge ' er and hetaoyinshan area north of hangjinqi in the north margin of ordos, another is alashan area in the northwest margin of ordos
在深入研究本區沉積巖輕、重礦物組分的變化、各種巖屑的標型特徵、石英陰極發光顏色、古水流方向及沉積相帶展布等基礎上,認為研究區石炭?二疊紀的物源方向主要有兩個,分別為:北緣杭錦旗以北的巴彥烏蘇、烏蘭格爾及河套陰山地區;以及研究區西北緣的阿拉善地區。The intermediate - temperature sofc ( solid oxide fuel cell ) ’ s electrolyte with perovskite - type lsgm ( la _ ( 0. 9 ) sr _ ( 0. 1 ) ga _ ( 0. 8 ) mg _ ( 0. 2 ) o _ ( 3 - ) ) was synthesized using advanced pechini method and solidification method. the thermal and electrical properties of the sintered samples ( synthesized by two different methods ) were measured and compared by thermal expansion and ac impedance spectroscopy ; the phase transformation process and inner structure were measured and compared by xrd, dta - tg and ac impedance spectroscopy. the research results show that the electrolyte synthesized by advanced pechini method has several advantages, such as fine pre - powders, low sintering temperature, reduced or eliminated impurity phases and high conductivity etc. so, the apm is ideal method to synthesize lsgm
採用改進的檸檬酸法(以檸檬酸和edta乙二氨四乙酸為復合絡和劑,檸檬酸為燃料)和固相法分別制備了具有鈣鈦礦結構的中溫固體氧化物燃料電池的電解質材料lsgm ( la _ ( 0 . 9 ) sr _ ( 0 . 1 ) ga _ ( 0 . 8 ) mg _ ( 0 . 2 ) o _ ( 3 - ) ) ,用差熱?熱重分析( dta / tg ) 、 x光衍射分析( xrd ) 、交流阻抗譜技術( ac - impedancespectra ) 、比表面積分析( bet )和燒結收縮率曲線等手段對產物的熱分解過程、物相轉變和內部結構等進行了表徵,並對由這些粉體燒結而成的固體氧化物燃料電池的電解質材料的電導率進行了檢測。The outer mineral texture of jadeite materials is nearly same to inner ' s and the granularity of mineral becomes smaller from from inside to outside
原石表面的結構多與內部翡翠的結構相同,略微有所差別,結構從內到外表現出比較一致的連續性,礦物顆粒大小由內至外逐漸變小。Among the discrimination criterion controlling the alteration of carbonate, neither cathodoluminescence of the carbonate minerals nor t he content of sr can act solely as discrimination criterion for controlling the alteration of marine carbonate
在碳酸鹽的陰極發光性、 sr含量和mn sr比值三個判斷成巖蝕變性的標準中,陰極發光性和sr含量不能單獨作為判斷標準來檢測海相碳酸鹽礦物的成巖蝕變性。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化、水化產物相密實、界面過渡區改善、 ch晶相總量減少; ca困02 ) 2促進和穩定了ch晶體生成,但改變了水泥石中水的遷移機制,包括遷移途徑和速度。Compared with that of 10 years before, material designation has changed much and that mineral mixtures as main components are applied in concrete has also become more common
相比十年前混凝土的配合比設計理論已有了較大變化,礦物摻合料已成了配製hpc不可或缺的組分之一。This method can be briefly summarized as follows : based on the reconstruction of the process of formation of related ore deposits and construction of metallogenic models, reconstruct some important ore - forming geological events and their evolution processes are reconstructed by tracing the tectono - deformation petrofacies in the ore sources series, study the distribution patterns of ore materials in a series of geological events and indicators and degrees of gradual ore material concentration and formation of ore deposits and further explore and direct evaluation of regional resource potentials, mapping and mineral exploration in ore deposit concentration areas
成礦地質事件評價方法,就是在恢復礦床形成過程並建立成礦模式的基礎上,通過對礦源巖系的構造變形巖相形跡追索來恢復與成礦有重要意義的地質事件及其演化過程,研究在這一系列地質事件中成礦物質的分佈規律和逐步富集成礦的標志及程度,並用以進一步探索、指導區域資源潛力評價和填圖找礦的方法。Will be discussed in this paper, based on the analysis of the sedimentary facies characters and paleo - environment indexes such as clay mineral, chemical element and spore - pollen of the sediment samples collected from the middle - part of the stratigraphic profile including upper and lower cultural layers of the dongfang plaza cultural site
依據對遺址區剖面中段包含了上下兩個文化層沉積樣品的沉積相特徵以及粘土礦物化學元素和孢粉等古環境指標的分析,探討了2 . 6萬年前後至1 . 4萬年前後古環境的演變過程。It has evident alpine - gorge incision and well - developed vegetation below slope, which are obviously unfavorable for granule mechanic motion
該地區不同粒級水系沉積物中成礦元素變化趨勢一致,含量衰減迅速且在細粒級富集,並主要為硫化物相。分享友人