composition field 中文意思是什麼

composition field 解釋
成分域
  • 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，...
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  1. The results showed in the paddy field the bacteria were predominated, in the dry land the proportion of fungi and actinomyces was distinctly higher than the other two kinds of soil, in the woodland abundant species of basidiomycetes were found ; the natural degradation speed was low, with the degradation the number and composition of microorganisms changed regularly ; when the c / n ratio was adjusted to 25 " ? 1, the degradation remnant ratio reduced 10. 67 % than the control

    結果表明，水田以細菌為主，旱地中真菌和放線菌數量最多，林地中有大量的高等擔子菌；秸稈自然降解較慢，土壤微生物也隨著降解的進行而呈現一定的變化規律；當調節c / n比為25 ： 1時，秸稈的腐解殘留率比對照組下降10 . 67 。 2
  2. Invite foreign students to attend the singer, theatrical joint performance, art festival, blackboard newspaper appraisal, composition competition, ball games and track and field sports meeting, and make the chinese and foreign students of different nations, complexions and languages to compete on the same stage, and construct a better platform for communication during the course of showing talents and personality

    每學期邀請留學生參加校內舉辦的歌手大賽、文藝匯演、藝術節、黑板報評比、徵文比賽、球類競賽、田徑運動會等文體活動，讓不同國籍、膚色、母語的中外學生同臺競技，在展現才藝、個性的過程中搭建更好的交流平臺。
  3. Experts are based on nearsighted root cause of teen - agers in tsinghua with square sight, from controlling the nearsighted headstream " replenishing an eye part with nutrition, promoting eye inner microcirculation and organizing an assimilation of the new and excretion of the old, effective laxation thereby and eliminate looking at upper weary " thorough analysis, union chinese medical science tradition medicine brings cream of eye under control, science develops out composition tsinghua set square, successful and method ( new visual field ) looks at kang yi physical therapy " tsinghua ( eye doctor ) looks at the well - being note "

    清華同方的視力專家們根據青少年近視的根本原因，從控制近視的源頭? ? 「補充眼部營養、促進眼內微循環及組織新陳代謝，從而有效緩解及消除視疲勞」上深入分析，並結合祖國醫學傳統藥物治眼之精華，科學組方，成功地研製出配合清華同方視康儀物理療法的「清華視康帖」 。
  4. In the part of main composition of the bill market ' s business, the writer particular describes the conceptions, characters and the method and using field of different tools and products, gives the suggestions on the rediscount market

    「中國票據市場的主要業務組成」部分詳細介紹了票據市場中主要業務的概念和特性，以及其使用的領域和方法。對我國再貼現的現狀提出建議。
  5. The hysteresis loops were detected, it is found that the remanent polarization and the conceive field of the ceramics deceased with the dope of ba2 +. in the composition range of mpb, the conceive field exhibit the lowest value

    測試了樣品的電滯回線，發現batio _ 3的摻入有效降低了nbt基陶瓷的剩餘極化強度和矯頑場，在準同型相界組成點，矯頑場達到最小值。
  6. The chemical composition and microstructures of the insulating thin films prepared by different methods were analyzed by x - ray diffraction ( xrd ) and scanning electron micrograph ( sem ) ; other properties such as electric resistance, the breakdown field strength and dielectric properties were evaluated using high resistance meter, voltage resistance meter and precision impedance analyzer respectively

    採用x射線衍射儀（ xrd ）對表面絕緣薄膜的物相組成進行了分析，掃描電子顯微鏡（ sem ）對表面絕緣薄膜的微觀結構進行了研究，並用絕緣電阻測試儀、耐壓測試儀和精密阻抗分析儀分別對絕緣膜進行絕緣電阻率、擊穿場強和介電性能的測試。
  7. But in contrast of the research of chemical weathering of other rocks, such as granites and basalts, the research of chemical weathering of black shales both in width and depth still remains much to advance. after reading and investigating widely, we selected lower - cambrian black shales and their weathering profiles in hunan province as research objects of our work at first. then, based on field investigation of weathering status of lower - cambrian black shales and it ' s relationship with soil composition and human activities in hunan, we studied changes of chemical composition such as major and trace elements before and after weathering of black shales by comparison

    根據文獻閱讀和野外調查，本文選擇了湖南安化、桃江、望城等地下寒武統黑色頁巖及有關風化剖面作為研究對象，並在查明湖南下寒武統黑色頁巖的風化現狀及其與土壤組成、人類活動的關系的基礎上，對比研究了黑色頁巖風化前後主量和微量元素等化學組成的變化，探討了元素的富集和遷移轉化機制以及黑色頁巖風化與區域環境質量的關系，得出了如下幾點主要成果和認識： （ 1 ） ti是黑色頁巖風化過程中的「不活動」元素，可作為參照元素，對其它元素的活動性進行質量平衡計算。
  8. The thesis uses missile system - of - systems combat simulation as the application background and focuses on the research of modeling and experimentation of system - of - systems combat simulation. the contents are summarized into the following parts : ( 1 ) after analyzing the problems of simulation model specification in the field of missile system - of - systems combat simulation application, the hierarchical description and composition method based on system - of - systems, entity and behavior is proposed as the modeling methodology of system - of - systems combat simulation, which is seb composable modeling methodology. then, the reference model of seb methodology and the modeling reference view of various hierarchies are discussed

    論文以導彈體系對抗模擬為應用背景，重點研究體系對抗模擬中的建模和實驗問題，具體研究內容包括: （ 1 ）面向導彈體系對抗模擬應用，分析體系對抗模擬模型描述中存在的主要問題，提出體系-實體-行為的分層次組合描述方法，作為體系對抗模擬的建模方法，即seb組合建模方法，並給出其參考模型和各個層次建模的參考視圖。
  9. 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。
  10. In this dissertation, the author analyzed plant biodiversity in yunmengshan forest region with field survey on plant species and forest vegetation, the results show that : the vascular plants in yunmengshan forest region include 548 species ( variation ) which belong to 319 genera, 98 families, the flora geographical composition are complex, the dominant characteristics of flora are temperate zone plants which account for 55 percent, herbaceous species occupy 75 percent exclusively. evaluating the threatened hierarchy of plants in yunmengshan forest region, the results show that the number of critically endangered species is 7, endangered species isll, vulnerable species is 53, lower risk species is79, safty species 376

    本文在對雲蒙山林區的植物物種、植被進行調查的基礎上，進行植物多樣性分析，研究結果如下：雲蒙山林區共有維管束植物98科319屬548種和變種，地理成分復雜，包括中國全部屬的15個分佈區類型，區系組成以溫帶成分為主，佔55 ；生活型譜中，草本植物種類占絕對優勢，比例為75 . 3 ；通過瀕危評價，得出雲蒙山林區植物極危種7種，瀕危種11種，漸危種53種，敏感種79種，安全種376種。
  11. Using isotopic ( d, 18o 14c ) geochemical methods, this paper has studied the genetic relationship between the isotopic composition of meteoric water and that of underground hot water, analyzed the supply source of the kaifeng geothermal field and the generation of the geothermal water, and calculated its formation age

    摘要應用同位素（ d 、 18o 、 14c ）地球化學方法，研究大氣降水和地下熱水中同位素組成之間成因關系，分析開封地熱田中地熱水補給來源方向和地熱水的形成，計算其生成年齡。
  12. The free living and particle - attached bacteria groups are significantly different in term of species composition. plate culture strains are different from dominant field groups. this result proved the insufficiency of traditional cultural methodology

    適合於在平板培養條件下生長的類群並非湖水中的優勢類群，這一結果進一步證實了傳統的培養方法在分析水體細菌群落生物多樣性方面的不足。
  13. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后，轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌，進一步用遺傳毒素g418篩選多拷貝的轉化菌株，命名為gh1 ；將gh1甲醇酵母菌用0 . 5的甲醇誘導表達，發酵上清經90飽和度的（ nh _ 4 ） _ 2so _ 4沉澱， yw - 3 （ mwc03000 ）的超濾膜超濾，再經cm陽離子交換， c _ （ 18 ）反相hplc純化得到分子量為4kd左右的組分，其中4289 . 05的組分經質譜鑒定，氨基酸組成分析和序列測定為正確的表達產物，生物學活性表明其活性為天然毒素活性70 % ，表達量為80mg / l 。
  14. Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering

    摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況，利用gis技術模擬洞庭湖地形變化，採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化，為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。
  15. Abstract : according to the composition, the thermal - water sedimentary rocks of yinmin formation in the dongchuang copper ore field can be divided into nine types, of which skarnoid, cupric magnetite carbonate, paracontemporaneous breccia formed in thermal water processing are confirmed and named in this study

    文摘:東川銅礦田因民組熱水沉積巖根據主要成分可分為9大類，其中類夕卡巖、含銅磁鐵碳酸鹽巖、熱水膠結準同生角礫巖為本次研究確定和命名，其礦物組合、微量元素、稀土元素等地球化學特徵表明：它們是海底火山噴流沉積作用的產物。
  16. It is difficult to conform the derivations of the native heavy minerals, so the author assumes corresponding procedures as follows to accomplish the research task : firstly, according to the composition typomorphic peculiarities of minerals deriving from mantle, the author selected a part of minerals as preliminary reseach objects from the native heavy minerals and then further investigate the mantle ones and their host rocks in two ways : one is the method of comparation with the corresponding minerals of rocks deriving mantle in the research field and other places ; anorther is the method of multivariate statistical analysis

    本次工作為了盡可能地排除非幔源礦物的干擾，根據陳光遠（ 1990 ） 、潘兆櫓（ 1994 ）等學者有關礦物成分標型的論斷，篩選出地幔特徵元素含量較高的重砂礦物做為初步研究對象，為達到研究目的採取了如下方法：與區內已發現的幔源巖石（如鉀鎂煌斑巖等） 、國內外有代表性的堿性玄武巖、金伯利巖、鉀鎂煌斑巖的深源包體中的相應礦物進行對比研究的方法；多元統計分類的方法。
  17. Because of the absence of mantle xenoliths and xenocrysts, it is the first time that this paper looks on the native heavy minerals deriving from mantle, which were collected at the terraces of the two rivers, kalakshi river and yulongkashi river, as objects and takes into account the geochemical characteristics of the rocks deriving from mantle such as keliyang lamproite and so on to study the composition of lithospheric mantle, the characterics of palaeozoic era lithospheric mantle, mantle thermal state, and diamond metallogentic mantle geological conditions in research field

    為達到研究目的，本文首次以喀拉喀什河和玉龍喀什河沿岸階地的幔源重砂礦物（單斜輝石、鉻尖晶石類礦物、鈦鐵礦以及石榴石）為研究對象，結合鉀鎂煌斑巖等區內已發現的幔源巖石及其中地幔物質對該區地幔物質的組成、古生代巖石圈地幔特徵、巖石圈熱狀態以及該區金剛石成礦地幔地質條件做了嘗試性的研究工作。
  18. The chinese classic poems had impacted much upon the poetic composition of the imaginary school that dominated the field of poetry in both america and british in the early 20th century

    摘要中國古典詩歌對20世紀初在英美詩壇盛極一時的意象派詩歌創作曾產生了深刻影響。
  19. The main focus concentrates on the two most time consuming arithmetic in finite field calculation, field inversion and field multiplication. by analyzing in detail the performance of algorithms in composition fields, we have drawn a conclusion that the time consuming of square is less than that of multiplication with itself

    在對復合域中的演算法進行詳細分析后發現，多項式平方運算比元素自乘有更好的時間特性，因此盡可能地用平方運算替代自乘運算是在復合域中進行演算法優化的主要手段。
  20. Items, fabric / material s generic description and percentage composition. field no. 2 must show the same flight date an shown on transport documents

    加拿大海關發票必須顯示產品的詳細描述，面料的分類描述以及構成成分和比例。
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