degradation index 中文意思是什麼

degradation index 解釋
粉碎指數
  • degradation : n. 1. 降級;免職。2. 退化;墮落。3. 【地質學;地理學】(地表的)剝蝕。4. 【化學】降解,遞降分解(作用)。5. 【物理學】(能的)退降。
  • 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...
  1. On this basis, adopt the plural linear regression method, regard peasant ' s per capita income as the dependent variable, per capita agricultural land area, unit agricultural land area chemical fertilizer use amount, agriculture total value account for gdp proportion and land degradation the index data ( land degradation fictitious variable, land degradation percentage and land degradation the array variable of the degree ) as the independent variable

    在此基礎上,採用多元線性回歸方法,以農民人均收入為因變量,人均農業用地面積、單位農業用地面積化肥使用量、第一產業總值佔gdp比例和土地退化指標(土地退化與否的虛擬變量、土地退化百分比和土地退化程度的序列變量)為自變量來分析。
  2. The results show that the sinters for the bf in shuicheng iron and steel co., ltd. have middle rdi ( low temperature reduction degradation index ), choice ri ( reduction index ), wider softening temperature range, high start melt and dropping temperature, smaller melt and dropping temperature range

    研究結果表明,水鋼燒結礦具有中等及中等偏下的低溫還原粉化性能和優良的還原性能;軟化區間偏寬,開始熔化溫度高和開始滴落溫度高,卻有較窄的熔滴區間。
  3. Through field investigation and soil fertility index analysis, causes and mechanism of fertility degradation of black soil in the songliao plain were explored

    通過田間調查和土壤肥力指標分析,探討了松遼平原玉米帶黑土肥力退化的原因和機理。
  4. The main effect factors include : 1. microbial species, which seem to have different degradation rate under varied circumstances and n - alkanes ; 2. physical and chemical properties of crude oil itself, which have an important effect on biodegradation, such as conglutination, boiling point, refractive index, ingredient and concentration of the oil ; and 3. culture condition of microorganism, under which the degrading activity of microorganism will be affected by surfactant, light condition, sorbent, nutrition, co - metabolite, oxygen, temperature and salinity during the inoculation of selected or indigenous microorganisms

    其中主要影響因素包括:菌種的影響,菌種在不同的環境中和對不同碳鏈長度的碳氫化合物表現出不同的降解效率;石油物質本身物理化學特性的影響,如石油物質在水體或土壤中的濃度以及石油的粘度、沸點、折射率等特性;生存環境條件的影響,在接種入高效率的降解菌或利用土著微生物進行降解時,降解率受到生存環境中各種條件的影響,如表面活性劑、光照條件、吸附劑的利用、營養鹽、共代謝底物、氧氣、溫度、鹽度等。
  5. By the methods of remote sensing ( rs ) and geographic information system ( gis ), and based on the estimations of degradation degree, risk degree anti easy - restoration degree of degraded grasslands, an ecological management index ( emi ) model of grassland was established to approach the practical ways of optimizing management of degraded grassland

    摘要利用遙感監測和空間信息分析技術,通過對退化草地的退化等級評估、風險度評估以及易恢復度評估,構建了草地生態優化管理指數( emi ) ,探討了退化草地生態優化管理的實踐途徑;並以錫林河流域為例,分析了退化草地生態優化管理指數。
  6. Based on analysis of soil physical, chemical and biological properties, soil properties and soil integrated fertility index ( iff ) of different successional series of subalpine coniferous in western sichuan were systematically studied. the results showed soil fertility degradation of subalpine coniferous forests was mainly related to decrease of soil organic matter

    從土壤物理、化學和生物學性質角度出發,系統地研究了四川西部亞高山針葉林不同演替階段土壤性質和土壤綜合肥力指標值,結果表明:川西亞高山針葉林土壤性質主要受土壤有機質的影響,人工林地土壤肥力質量退化主要由於有機質的減少並導致相關土壤物理、化學和生物學性質惡化。
  7. Also, the degradations of n - mosfet and p - mosfet are compared and the increase of delay - time induced by device degradation is represented by introducing " time - index ", and the saturation effect and temperature characteristics of device degradation are described

    另外,比較討論了p溝和n溝mosfet的退化,對器件退化導致的電路延遲增加則引入了「時間因子」的概念來加以明確的表徵;對器件退化的飽和效應和溫度特性也作了分析概述。
  8. Secondly after damage model of structure is analyzed and considering of rigid degradation in crossing section of structure, the damage index is defined by rotation rigid of element side and the model of damage of crossing section is developed. meantime, the damage model of structure is built by idea that damage index of elements endowed weight are added linearly

    其次,在對現有的結構損傷模型分析之後,考慮到構件截面恢復力模型中卸載剛度的退化現象,作者基於構件端部截面的轉動剛度定義了構件的損傷指標,建立了構件層次上的損傷模型。同時考慮到結構損傷前後固有頻率的變化,運用線性加權求和的思想建立了結構層次上的損傷模型。
  9. Beginning with the problem of interlaced region between farming and herding, the boundary line of the interlaced region is calculated based on grid with 10km grid ; then the relation among land use of the region, soil erosion and erosion region is analyzed ; based on factor classification, no useful factors were neglected and stepwise regression method was used to analysis the drive of land use change ; fractal method was applied to analysis the degradation of land - use and relation among land use, soil erosion and wind - water erosion zone ; environmental variances are introduced to establish characteristic index of land use change and analysis the effect of land use change on soil erosion

    從農牧交錯帶的實質問題入手,基於10公里網格,計算農牧交錯帶的界限;在此基礎上分析農牧交錯帶的土地利用、土壤侵蝕及與風水侵蝕帶的關系;在因子分層的基礎上,剔除不需要因素,採用逐步回歸的方法,進行土地利用變化驅動力分析;運用分形方法分析土地利用的退化,並分析土地利用與土壤侵蝕的關系,引入環境變量,建立土地利用變化特徵指數,分析土地利用變化對土壤侵蝕的影響。
  10. On the basis of geographical space distribution method, i choose shaanxi province for land degradation and poverty have great dependence, and use land degradation index data, unit area total value of agriculture, per capita agriculture total value and peasant per capita income, etc to carry on dependence analyze

    在地理空間分佈方法的基礎上,本文選取土地退化與貧困相關性較大的陜西省,運用土地退化指標數據與單位面積第一產業總值,人均第一產業總值和農民人均收入等數據進行相關性分析。
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