index section 中文意思是什麼

index section 解釋
索引科
  • index : n (pl es dices )1 索引。2 指標,標準,標志。3 示[食]指 (=index finger)。4 指數。5 【印刷】指...
  • section : n 1 (外科、解剖的)切斷;切割;切開。2 【外科】切片,【金相】磨石。3 (果子的)瓣。4 【數學】截...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. At the same time 7794m3 affusion test were processed, and roadbed settlement observation conducted for two more year, physical mechanism and chemical index experiment were analyzed in the laboratory, section experiment of earth sample was proceed, changement of compacted soil body micromechanism along with depth were analysed by polariscope and scan electricscope. drain ditch, barrel - drain and little bridge were treated by composite geotextile

    在室內進行了物理力學、化學指標實驗分析,並對土樣結構進行了切片試驗,用偏光顯微鏡和掃描電鏡分析了土壤碾壓后沿深度分佈的土體微觀結構變化情況,對邊坡、邊溝、排水溝、小橋涵及護坡封水採用復合土工布進行處理。
  3. The article is based on nation nature science foundation of china, " biogeochemical cycling of pollutants in complex environments of tidal flats in the yangtze estuary " ( no. 40131020 ). the author chose open tidal flat of dong tang chongming yangtze estuary as research object and set up typical section plane so that under the good condition, the author measured hydrology element, total nitrogen and total phosphor index

    本文依託國家自然科學基金重點項目「長江口濱岸潮灘復雜環境條件下物質循環研究」 (批準號: 40131020 ) ,選擇了長江口崇明東灘敞開型潮灘為研究對象,設置典型斷面,在平靜天氣條件下,實測了水文、地球化學要素,獲得了水位、流向、流速、 tn及tp等指標6000多個實測數據,著重對長江口潮灘水動力過程、 tn和tp的動力輸移過程進行研究。
  4. Firstly, the status of our nation ' s water resources, flood and arid hazards is overviewed to illustrate the necessity for study on dynamic control of flood season limited water level. disadvantages in traditional limitsd water level design, static control of limited water level design, static control of limited water level and fuzzy limited water level curve are pointed out, and mending methods for these are introduced. dynamic control and its key problems are analyzed hi next section. the allowable range of limited water level is determined, so as the allowable extreme risk index. the definition of extreme risk is re - illustrated, risk analysis methods in reservoir operation is discussed either. according to the definition of extreme risk rate, the allowable extreme risk rate of reservoir is systematically demonstrated with variant extreme risk indexes and flood season limited water level

    本文首先闡述了我國水資源狀況和水旱災害、說明水庫汛期限制水位動態控制研究的必要性;介紹了傳統汛限水位設計、汛限水位靜態控制、模糊汛限水位過程線存在的問題及其初步改進方法;分析汛期限制水位動態控制的方法及關鍵問題;進一步闡述了水庫極限風險率的定義;根據極限風險率定義,詳細敘述了不同極限風險指標時、不同汛期限制水位下起調,水庫所能承受的極限風險率計算方法。然後,基於極限風險率計算方法,以白石水庫為背景,研究「考慮壩體自身安全、考慮壩體安全與下游防護對象控制下泄流量的汛限水位動態控制的極限風險率」 。
  5. The refractive index n(x) varies gradually over the cross-section of the guide.

    折射率n(x)在波導截面內是逐漸變化的。
  6. Numerical calculations have been made for wave-guides with a core of rectangular cross-section embedded in a uniform surround of lower refractive index.

    對于掩埋在較低折射率的均勻介質中的距形截面芯子的波導曾作過數值計算。
  7. Aiming at the self - estimation of threat to the sam system, and basing on the analysis of support distance of the target acquisition radar and operation efficiency of the system in three intercept sections, a distance - threat index and a type - threat index of the target are proposed, and a threat - estimation decision - making model is established, and a standard of fire - striking order in each section is put forward

    摘要針對地空導彈系統的威脅自動判斷問題,基於對目標指示雷達保障距離以及三種攔截區間中系統作戰效能的分析,提出了目標距離威脅指數和目標類型威脅指數的概念,進而建立了一種連續型的威脅判斷決策模型,並給出了每個區間火力打擊的排序標準。
  8. Because the cross - section of the oversized rib waveguide we fabricated by wet - etching was trapeziform, we analyzed the transmission of oversized rib waveguide by combining effective refractive - index method. the influence of some factors on the optical transmission loss, such as material structure, the height of rib waveguide, and the thickness and refractive index of waveguide layer and up - layer of polymer material, was analyzed

    因為濕法腐蝕工藝製作的反脊波導橫截面是梯形狀的,因此論文中採用了一種簡單有效的方法,即有效折射率法,對梯形反脊波導的光傳輸損耗特性進行了分析,同時考慮金屬電極產生熱場對脊波導傳播特性的影響。
  9. The representative failure models of arch rib are searched and the rib section resistances are calculated by incremental method and disadvantage loading in the control sections. the structure reliability assessment index on bearing capacity of the arch - bridge is calculated by the function of bearing capacity reliability, structure resistance probability model, load action effect probability model and jc method

    對每種荷載布置型式,採用荷載增量法進行拱橋結構失效模式的尋找和截面抗力的計算,給出其承載力可靠度功能函數,推導功能函數中結構抗力和作用效應概率模型,並利用改進的一次二階矩法計算在用拱橋承載力可靠度指標評估值。
  10. The hang seng index ( the market benefit was about 21 times ), was aslo estimate shorter than the record in usa section bubble days

    恆生指數的估值(市盈率大約21倍)依然低於美國股市在網路泡沫時期的峰值水平。
  11. The forth section analyses demonstratively the effect of m & a of public company by private company, including m & a ' s benefits and operate benefits. the paper chooses the m & a cases took place in shanghai and shenzhen stock exchange ; adopting cases study method and financial index method. it concludes that some of the m & a react overly and the consistency is n ' t good, the m & a is not successful

    第四部分實證分析民營企業並購上市公司的績效,包括合併收益和經營業績兩方面,選用1998年發生在深、滬兩地股市的民營企業並購上市公司的事件為樣本,採用了事件研究法和財務指標法檢驗合併收益和經營業績的變化,通過研究發現,證券市場對並購事件存在過度反應;並購績效改善的持續性不好,並購整合併不成功。
  12. The optical waveguide characteristics such as waveguide mode field profile, and the mode cut - off conditions, and the waveguide dispersion are analyzed with the solution of a certain wave equation. the mechanism of index ellipsoid of linbo _ 3 crystal distorted with an external applied electric field by means of the electro - optic tensor as investigated. based on the operation principle of m - z waveguide, the operation mechanism of the two - section cascaded m - z waveguide and of the modulation electrode are

    調制器的結構設計從m - z干涉型光波導工作原理出發,分析兩級串聯m - z干涉型光波導的工作原理,調制電極的工作原理,從而設計出了工作於1 . 054 m的、兩級串聯m - z干涉型光波導、行波電極linbo _ 3為強度調制器的結構參數。
  13. The prime works are as follows : strain and stress distribution of section was analyzed. the effect of prestress degree. on cracking moment was explored. the relation of the unbonded prestress increment to effective reinforcement index and corresponding bonded prestress increment were studied. the formulae had been established

    其次,設計了三根活性粉末混凝土無粘結預應力疊合梁,兩點對稱集中加載、一次受力,得到了它們的截面應變分佈、撓度與變形、無粘結預應力鋼絞線的預應力增量、裂縫的發展與分佈以及極限荷載。
  14. Trend of composite consumer price index for transport section

    綜合消費物價指數交通組別趨勢
  15. The production management section expounds some methods of the production classified management and the dynamic management, on the base of the analysis of reservoir value, it gives a control model. the cost control section uses the headstream control idea, introduces the classified cost management and the dynamic supervision model. the benefits evaluation section introduces the principle and the index system of the economic benefits evaluation, then it describes some evaluate methods of wells, cut stages and crews separately

    生產管理模式中分別講述了生產分類、分級管理和動態管理等方法,在油藏價值分析的基礎上建立產量控制模型;成本控制管理部分運用了源頭控制的思想,介紹了成本分類、分級控制和成本動態監控模型;在效益評價部分,介紹了經濟效益評價的原則、指標體系,分別闡述了單井、區塊和採油隊的經濟效益評價方法。
  16. We define the mapping a on circle in double quiver q of a quiver q, and give a strict defition of bracket operation in lie algebra, then prove it is a lie bracket. in section 1. 2, we introduce the left and right index arrays of an necklace word

    1節中,我們定義了箭圖q的重箭圖( ? )循環上的映射,用它給出了項鏈李代數括號運算的一個嚴格定義,並用此定義證明了這是一個李運算。在1
  17. And the axial compression ratio index of l, t - shaped columns considering section dimensions is given

    給出了考慮l 、 t形柱截面尺寸的軸壓比限值。
  18. This paper, based on the determination of expropriated land section, establishing weighing index, index quantification, total score on units, classification, and via land production value and cases comparison, calculates the integrated value on expropriated lands in shuyang county, providing a demonstration case in calculating the integrated value on expropriated lands by means of the integrated land value evaluation information system

    摘要從征地區片單元的確定、區片影響因素因子的構建、影響因素因子指標量化、單元總分值計算、區片級別的劃分以及在區片劃分的基礎上採用土地產值倍數法和征地案例比較法測算征地區片綜合地價,並藉助於征地區片綜合地價評估信息系統對沭陽縣征地區片綜合地價測算進行實證研究。
  19. Common test methods for insulating and sheathing materials of electric cables. part 4 : methods specific to polyethylene and polypropylene compounds. section one : resistance to environmental stress cracking - wrapping test after thermal ageing in air - measurement of the melt flow index - carbon black and or mineral filler content measurement in pe

    電纜絕緣和護套材料通用試驗方法第4部分:聚乙烯和聚丙烯混合料專用試驗方法第1節:耐環境應力開裂試驗-空氣熱老化后的卷繞試驗-熔體指數測量方法-聚乙烯中碳黑和或礦物質填料含量的測量方法
  20. First, we simply introduced the optical wave - guide theory : the fluctuation equations of planar wave - guide and the preparation of embranchment wave - guide. then based on maxwell equations and in the paraxial limit we deduced the formula needed in calculating fd - bpm. the refractive index section was n ( x, y )

    然後我們在maxwell方程的基礎上,根據慢包絡近似理論,在折射率截面為n ( x , z )的條件下,利用有限差分近似來代替偏微分方程,推出了有限差分光束傳播法計算所需要的公式。
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