grain composition 中文意思是什麼

grain composition 解釋
顆粒成分
  • grain : n 1 穀物，糧食〈英國叫 corn〉; 谷類植物。2 穀粒，籽粒。3 （沙、金、鹽等的）粒，顆粒，晶粒。4 些微...
  • composition : n 1 作文（法），作詩（法），作曲（法）；作品，文章；樂曲；文體，措辭。2 編制；結構，構造，組成，...
  1. Sample ' s analyses and tests in laboratory, this thesis makes a detailed research on holocene deposits characteristics of mu us desert, especially on characteristics of grain size composition, which break through previous description of determining the nature and gain a series of number indexes. at the same time, this thesis has also researched arenaceous source on every part of mu us. firstly mu us desert ' s forming process is deeply influenced by the east asian monsoon, the grain size gradually becomes smaller, while the magnetic susceptibility becomes larger from northwest to southeast this phenomenon not only appears on the surface of mu us, but also obviously reflects on the same layer of different places

    根據大量野外詳細考察和室內樣品分析與測試，本文對毛烏素沙地全新世地層沉積特徵做了細致的探討，尤其對區域地層的粒度組成特徵做了進一步的研究，突破了以往的定性描述，得出了一系列量化指標；結合野外的考察工作，對其不同地區的沙質來源做了詳細分析，主要得出以下結論： 1 、毛烏素沙地形成過程深受東亞季風影響，粒度自西北向東南逐漸變細、磁化率值逐漸變大。
  2. Pilsenite is a rare mineral and its information is deficient. the first found pilsenite in china is in gaozhuang, henan province. pilsenite, associated with pyrrhotite, pyrite, hessite, gold, produced in pyrrhotite - polymetallic stage. three bismuth - tellurides produced in gaozhuang are well concordant with the standard pilsenite in composition, and other three are different from any of known bismuth - tellurium minerals. single crystal diffraction were made on a larger mineral grain of pilsenite. au growth and decline together with bi and te in ores and wall - rocks, which suggests that bi and te play a important role in migration and enrichment of au

    經電子探針分析，高莊金礦有多種鉍碲化物，有三粒礦物的成分與標準葉碲鉍礦完全一致。對一較大顆粒的葉碲鉍礦做了單晶x射線衍射分析。 au與bi在礦石和圍巖中的含量呈共消長關系， te與bi可能對au ag的遷移富集起了重要作用。
  3. 2. by the analysis of grain - size accumulative centigrade content, grain - size composition and grain - size parameters performed on samples in baijiaziu profile and mafangtan profile, nine stages of hydrological and climatic changes since the last 1300 years have been distinguished. the first, the third, the fifth, the seventh and the ninth layers of the stratigraphical sequence are finer while the second, the fourth, the sixth and the eighth are coarser

    據此，將白家嘴剖面劃分為9個地層單位， 4個沉積旋迴，其中剖面1 、 3 、 5 、 7 、 9層較細， 2 、 4 、 6 、 8層較粗，並認為此沉積序列表明近1 . 3ka以來渭河古水文與古氣候大致經歷了9個變化階段。
  4. And they show that chinese upper crust has a stable ree composition, and those different grain - size sediment samples which are from different site, and deposited in different periods do not establish any remarkable difference

    它們的配分曲線高度相似，表明了組成上的一致。在與黃土等物質進行對比時，發現它們除了含量上有差異外，在配分曲線形態上是一致的。
  5. The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper

    本文研究了用igc （惰性氣體蒸發凝聚原位溫壓法）制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅（冷軋紫銅、電解銅）在酸性硫酸銅溶液和中性含氯溶液中，在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法（ cv ）和電化學阻抗譜（ eis ）等方法。 x -射線衍射（ xrd ）的方法用來估算納米晶銅晶粒尺寸。
  6. Experimental study on grain composition of new filling material

    新型充填材料顆粒級配試驗研究
  7. Based on the close packing and grain composition theory, a new anti - gas channeling lightweight high performance cement slurry system has been developed with industrial drift beads as lightweight additive and superfine gel as strengthening agent

    摘要基於緊密堆積和顆粒級配理論，研製了一種以工業漂珠為減輕劑、以超細膠凝材料為增強劑的新型低密度、高強度防氣竄水泥漿體系。
  8. The micromorpholgy and grain boundary microstructure of the material were studied with sem and tem and the grain boundary phase composition were analyzed with eds and x - ray the mechanical properties, micromorpholgy microstructure of grain boundary and phase composition of al2o3 composite ceramics were systematically studied, the effect of additives, the relationship between microstructure and mechanical strength, the sintering mechanism of the material and influence factors of the structure and properties of al2o3 composite ceramics were discussed respectively

    系統研究了氧化鋁陶瓷的力學性能、微觀形貌、晶界顯微結構，並討論了各添加組分的作用、材料顯微結構與力學性能的關系以及材料的燒結機理和影響材料結構與性能的影響因素。本論文探討了氧化鋁基復相陶瓷的強韌化機理，實驗表明al _ 2o _ 3 - ticn體系主要是微裂紋韌化。
  9. Abstract : in light of thicker grain and smaller viscosity of debris flow, a segmented simulation of the debris flow with flume is presented. for the first time. more difficult resistance similarity is brought about by geometric rate without excessive coarsing and discontinuous similarity of sand grain composition in model is eliminated with different grain scale. on this basis the density similarity and sand conveying similarity are achived. the method presented is verified through a model test case

    文摘:針對水石流顆粒粗，粘性小的特點，提出了利用水槽進行分段模擬水石流的設想，首次通過幾何變率解決難度較大的阻力相似問題，改變了以往過度加糙的方式;通過變粒徑比尺的方法消除了模型沙級配不連續相似的問題，較好地實現了固體物質級配相似，達到了泥石流的密度相似和輸沙相似.通過水槽概化模型試驗實例，對本方法進行了驗證
  10. The distribution pattern can be attributed to ( 1 ) pollution sources located mostly in the eastern coast area ; ( 2 ) the current circulation systems in jiaozhou bay which hindered diffusion of pahs from east towards west ; ( 3 ) sediment grain size and composition factors had an influence on the horizontal distribution

    造成這種東-西差異分佈格局的原因有（ 1 ）絕大部分污染源集中在膠州灣東岸； （ 2 ）膠州灣的環流系統和潮流系統使東部的污染物很難向西部擴散； （ 3 ）沉積物粒度及有機質含量對pahs含量分佈有一定的影響。
  11. Facies association, lithologic composition, deposition sequence, sectional structure, sedimentary structure and grain size probability are analysed in detail

    詳細分析了這些沉積體系的巖性巖相組合、沉積層序、剖面結構、沉積構造及粒度分佈等特徵。
  12. Fine ni3al powders with an average grain size of 6. 1 m were firstly prepared by shs method and mechanical grinding for 36ks with the ratio of ball to powder at 3. 5. the effects of grinding condition and heat treatment technique on the morphology, microstructure and composition as well as crystal structure of the prepared ni3al powders were discussed

    首先採用機械粉碎法在36ks的粉碎時間和球料比為3 . 5的工藝條件下獲得了平均粒度為6 . 1 m左右的ni _ 3al微粉，重點討論了粉碎條件及熱處理工藝對ni _ 3al微粉的形貌、微觀結構、物相組成和晶體結構等的影響。
  13. Based on the rectified data of per capita food consumption, by means of computing grain demand and supply of china and the nutrition composition of main food, the nutrition status of chinese people is analysed

    本文在矯正了歷年人均食物消費數據、計算了我國歷年糧食供需量、編制了主要食物營養成分表的基礎上，計算了我國居民的營養素攝入量，分析了我國的居民營養狀況和變化趨勢。
  14. The development of the super fine grain - ceramics in si - al - zr - o system with high content of zro2 is introduced in this paper ; the chemical composition designing, method of preparation and toughening mechanisms are discussed ; the current status and the latest progress are reviewed

    摘要介紹了鋯系微晶陶瓷的發展歷程，著重闡述了其成分選擇、制備方法和增韌機理，並報導了該系微晶陶瓷的最新近展，展望了其發展趨勢。
  15. The micromorphology and grain boundary microstructure of the material were studied with sem and tem ; the grain boundary phase composition of the material were analyzed with eds and x - ray

    利用sem 、 tem研究了材料的微觀形貌和晶界顯微結構特點，用eds 、 x - ray分析了材料晶界的相組成。
  16. In this paper, the alumina ceramic was prepared under normal pressure and low temperature, the mechanical properties, micromorphology, microstructure of grain boundary and phase composition of the alumina ceramic, and the precision shaping and cold processing of the femoral head were systematically studied ; the effects of the additives, the relation between microstructure and mechanical strength, the sintering mechanism of the material and the influence factors of the structure and properties of the alumina ceramic were discussed also

    本文在常壓低溫條件下制備了氧化鋁陶瓷，系統研究了氧化鋁陶瓷材料的力學性能、微觀形貌、晶界顯微結構、相組成和股骨頭的精密成型、冷加工，並討論了添加劑的作用、材料顯微結構與力學強度的關系、材料的燒結機理及影響氧化鋁材料結構與性能的因素。
  17. This paper with the actual needs of metal physical doping of icf target material and laser - x - ray conversion material is starting point, major for flow - levitation method principle, technology parameter control particle grain size, structure and thermal stability of phase composition that prep aration metal and alloy nanoparticle go deep into research. the principle of preparation metal nanoparticle by flow - levitation method is difference with other evaporate condensation method

    本文以icf靶材料金屬物理摻雜和激光- x光轉換材料的實際需要為出發點，主要對自懸浮定向流技術制備金屬與合金納米微粒的原理、過程和工藝參數控制微粒粒徑大小，所制備納米微粒的結構、物相組成以及組成相的熱穩定性等方面進行了深入研究。
  18. Instead, stardust investigator don brownlee of the university of washington in seattle and his colleagues found that the isotopic composition of nearly every grain that they analyzed matched that of the inner solar system, demonstrating that the rocky material in wild 2 indeed originated in the solar system

    與猜測相反，位於西雅圖的華盛頓大學的星塵研究員唐?布朗里和他的同事發現他們分析的幾乎每一粒星塵的同位素組成與內層太陽系的塵燼相同，這說明維爾德2上的巖石物質確實源自於太陽系。
  19. From chapter 4 to chapterl 1, a serial of comparable methods were adapted to analyze the obtained results in chapter 2 and chapter 3, in order to describe quantitatively the changing of engineering geological environmental factors with time and space that is induced by different wave loading action, including reaction of topo and morphologic features to hydraulic condition, reaction of grain size and mineral composition to it and reaction of static and dynamic mechanical index to it

    在此基礎上，針對現場和室內實驗取得的結果資料，採用一系列統計分析方法，定量描述水動力作用導致的黃河口典型研究區工程地質環境要素隨時間和空間的變化，包括形貌特徵對水動力條件響應、沉積物的粒度與礦物成分及結構對水動力條件的響應、沉積物的靜力與動力學指標對水動力條件的響應。
  20. Based on these parameters, the performs with the outer diameter 1200mm, the inner diameter 600mm and thickness 100mm were prepared. composition and microstructure homogeneity combined with fine primary silicon grain and uniform distribution of sic reinforced particles of 15 % were achieved

    並在此工藝參數下，制備出了不同硅含量的鋁基復合材料環坯，其尺寸為1200 600 100mm ，沉積坯的組織均勻、初晶硅細小，增強相sic顆粒的分佈均勻，體積分數約為15 % 。
分享友人
分享到 Line

分享到臉書