fertility change 中文意思是什麼
fertility change
解釋
育性轉化-
The dynamic change of nh4 +, no3 - and tn, under the situation which urea was applied in the high fertility paddy - field in yuhang of hangzhou city with a lysimeter which was designed and made by ourselves, was studied and analyzed in order to find the rules of the change in the water - body of surface and the leakage rule of nitrogen, to reduce the effect of nitrogen loss on the water pollution
藉助自行設計製作的稻田滲漏計，在杭州餘杭對高肥力稻田不同施用尿素氮肥情況下，稻田地表水和滲漏水中銨態氮、硝態氮和總氮（簡稱三氮）的動態變化規律進行了研究分析，以利於發現氮素在地表水體變化和淋失規律，盡量減少氮素淋失對地下水體所造成的影響。 -
Fertilizer application for planted cane - organic inorganic fish - meal fertilizer ' s effect on ratoon cane quality and the change of soil fertility
無機復混肥對宿根蔗產量品質和土壤肥力變化的影響 -
Built according to the effect curve reflecting the relationship between fertility factor and crop production, the subordinative function solves the quatitative problem from the gradual change of ambiguous variable. it tallys with the actual situation to define the fertility factor weigh by using hierarchy analysis and combine it with expert ' s knowledge
通過肥力因子與產量的效應曲線建立隸屬函數，解決了模糊變量漸變過程中的定量化問題；引入層次分析結合專家知識確定肥力因子權重，更符合客觀實際，使評價結果更準確。 -
After the liberation, as a result of the social change, especially the policy of birth planning, great change has taken place to the family structure, the householder ' s authority and fertility in dong village
隨著建國后各項改革事業的推進，特別是計劃生育政策的實施，村落家庭規模顯著變小，父母權威降低，青年生育已經表現出較強的個體本位色彩。 -
As for the formation of public and private colleges and common development pattern, we must emancipate our minds, change our concepts, positive guidance, to manage, and further intensify the development of private colleges policy support, development, introduction of private higher education to support the development of policies to promote guangxi private higher education fertility healthy and orderly development of the integration of resources and the right to promote the development of the beibu gulf
為盡快形成公辦與民辦高校共同發展的格局，必須解放思想，轉變觀念，積極引導，依法管理，進一步加大對民辦高校發展的政策扶持力度，制定、出臺扶持民辦高等教育發展的優惠政策，促進廣西民辦高等教育健康有序地發展以及正確的整合資源以促進北部灣的發展。 -
The approximate trend of the change of soil in the plantations of four species is that soil fertility declined slightly from 1993 to 1995, and rose a little from 1995 to 1997
4種人工林土壤變化的大致趨勢是： 1993 - 1995年肥力大多略呈下降趨勢， 1995 - 1997年有所上升。 -
The soils and sediments organic matter ( som ) are highly heterogeneous and comprise various complex organic macromolecules such as humus, kerogen, black carbon ( bc ), etc. the relative abundance, characteristics and structure of these som play a important role on the global carbon cycles, global change, transformation and fate of the organic and inorganic pollutants, the soil fertility
土壤和沉積物有機質是高度非均質的，包括許多復雜的有機高分子聚合物如腐殖質、乾酪根、碳黑等。這些有機質的相對含量，性質和結構對全球碳循環，全球氣候變化，有機和無機污染物在自然界的遷移、轉化和歸宿，土壤的肥力等有非常重要的影響。 -
And the national fertility rate change is the 20th century began in the early 1970s to the national family planning policy intervention and quickly from the high level of fertility to low fertility level
而全國性的生育率轉變則始於20世紀70年代初期國家計劃生育政策的介入，並迅速由高生育率水平轉向低生育率水平。 -
The econometric results in this dissertation show that socio - economic and policy factors indeed have an important influence on soil fertility change. more specifically, the results show that tenure security may improve soil fertility such as organic matter
根據土壤肥力變化趨勢和社會經濟調查數據，我們首先對土壤肥力因子和可能影響土壤肥力變化的社會經濟及政策變量進行了單因素分析。 -
3 the author analyzes the productive and opening potential and forecasts the demands of some kinds landuse and draws some conclusions : ( l ) the main cause for low production and income is the shortness of water and the poor fertility of land ; ( 2 ) constructive land is not suitable for farming and should be used for economy construction, and this is the main path to keep the total number of plantation in balance. 4. according to the land use, the author discover the unsustainable factors and use synthetical index method to evaluate the sustainability of landuse and the results are these : ( l ) synthetical and monomial value increase gradually with the change of time and sustainable degree of landuse rises year by year ; ( 2 ) the artical compartmentalizes the sustainable landuse into four grades : prophase, primary period, basic period and sustainable period according to the synthesical value with 30 %, 60 % and 85 %
4根據酉陽縣土地資源利用現狀，在評價模型採用綜合指數法進行評價的基礎上，結合單指標多角度評價法，找出土地利用過程中存在的不可持續性因素，採用綜合指數法對酉陽縣土地資源進行可持續利用評價，結果顯示: （ l ）綜合評估值隨時間變化呈增加的趨勢，而且單項指標的評估值也逐漸提高，可持續利用度在逐年上升; （ 2 ）根據事物發展階段論，按綜合評估值為30 % 、 60 %及85 %將酉陽縣土地可持續利用劃分為可持續利用的前期階段、初期階段、基礎階段和持續階段等四個等級，從酉陽縣1980年、 1990年以及2000年總的土地可持續利用綜合評估值來看，酉陽縣到2000年土地利用管理仍處在可持續利用管理的初期階段，離土地可持續利用的目標還相差較遠。 -
In original and jamming slightly vegetation, because dead roots, branch and leaves back to soil, soil organic matter higher, soil available phosphorus higher, too ; chemical and physical characters of soil were stabilization. the reason were original vegetation have more species and structure of community was stable. the degradation of fertility and structure of soil in secondary vegetation was influenced by change with structure and form of community
在人為干擾小的原生性森林，植物種類豐富，群落結構穩定，植物死根系和枯枝落葉全部回歸土壤，土壤有機質含量高，養分呈有機態為多，故有效磷較高，土壤理化性質較穩定；次生植被群落土壤結構和肥力的退化是由於群落組成和結構的改變導致枯枝落葉成分和土壤發規白山地還小問沙消民俗一非定俗地征王卿喬忡旺w比收財育環境差異而引起，次生植被土壤的退化狀態隨植被退化程度不同而有差異。 -
The goal of this paper is to find the possible socio - economic factors that may influence the dynamic change in soil fertility and their intrinsic relationship, using soil nutrients data from the early l980s to 2000, as well as corresponding socio - economic field survey data
該文利用80年代初和2000年的土壤肥力數據以及相應的社會經濟調查數據，試圖揭示自農村改革以來可能影響土壤肥力變化的社會經濟和政策因素及其相互關系。 -
According to this view, it is not a change in women ' s attitudes that accounts for their altered work and fertility behavior, but a change for the better in their job opportunities that has pulled them out of the home and into the labor market, and thereby reduced childbearing
根據這種觀點，這並不是女性關于更換工作和生育的態度方面的改變，而是一種為了獲取更好的工作機會的改變，這些工作機會將她們從家庭帶入勞動力市場，從而降低了生育行為的發生。 -
With gis, gps supporting, all of the data collected, including statistics data, farmers input and output data, soil fertility data, water depth and quality data, etc. were put on the land use map. by comparing the temporal and spatial changes of these data, there were following conclusions out coming : ( l ) the change of cultivated land shows this tendency : rapid increasing period, rapid decreasing period, slow decreasing period, stable period, the driving force of cultivated land change are population change, climate change, technical change, the economic development and the national policies
以曲周縣1 ： 5萬土地利用現狀圖、土壤圖為基礎圖件，依託gis和gps信息技術，利用曲周縣統計年鑒、土地利用變更調查、農戶調查、不同用地類型的土壤養分、地下水位、水質等數據資料進行綜合分析，得出了以下主要結論： （ 1 ）建國以來，曲周耕地數量經歷了增加急劇減少緩慢減少相對穩定的變化過程。
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