area reduction 中文意思是什麼
area reduction
解釋
斷面減縮率-
According to roof safety factor of 1. 2 for the mined - out area, minimum safety roof thickness at different rock in various span mined - out area was calculated by flac software, which transfixion of plastic zone was taken as criteria of roof breakage by using strength reduction technology and dichotomy theory
摘要利用強度折減技術和二分法原理，以塑性區的貫通作為頂板破壞的標準，當采空區頂板的安全系數等於1 . 2時，利用flac軟體計算得出各種跨度空區在不同巖層中的最小安全頂板厚度。 -
The low solubility of calcium zincate produced from the chemical reaction of zinc oxide and calcium hydroxide in alkaline solution can improve the cycling life the zinc electrode, and the discharge capacity will tend to be stable. furthermore, the effects of la2o3 additives on the electrochemical performances of zinc electrodes were investigated. the results shows that the addition of la2o3, in zinc electrode can improve the area of reduction peak and the hydrogen evolution potential which means the cathodic hydrogen evolution reaction can be hindered
氧化鋅與氫氧化鈣在堿性溶液中化學反應生成的難溶於堿的鋅酸鈣可以使鋅電極的循環壽命得到提高，放電容量也趨于平穩，此外還考察了氧化鑭對鋅酸鈣電極電化學性能的影響，結果表明：添加適量氧化鑭能明顯改善鋅電極的電化學性能，使鋅電極的還原峰電位正移，電極反應可逆性得到改善，同時也可抑制鋅電極析氫反應的發生，提高了鋅電極的陽極電流，對陽極反應有一定的活化作用；同時還可以改善鋅電極的放電特性，增加電極的放電容量。 -
The case study shows that the compounding and distribution of the cave animals has changed under the interference of human activities in the studied area, in detail, the change of the amount of such animals as mosquito and fly, the reduction of the amount of bat, the aberrance of the amount and body size of oreolalaxrhohostig metu stadpole, the death of bat, the shape change of diestrammena marmorata, the change of population and community, the change of bio - relation, the weakening of eco - function, and some special adaptive form
案例研究顯示，定點調查地區的洞穴動物在人類活動的干擾下：種類組成與分佈發生變化，蚊蠅類動物的數量發生變化，蝙蝠數量趨減與位移或遷移和紅點髭蟾蝌蚪的數量與個體大小發生變異，蝙蝠致死與斑灶馬形態發生變異，動物群落類型發生變化，生物關系發生變異，蝙蝠的生態功能削弱，動物產生特殊的適應形式。 -
The optimization results show that the effective interfacial area hi three - phase distillation is much bigger than the prediction of correlation when the operation condition is above the loading point, while no such phenomena are found when the operation condition is below the loading point. 5. the experiments reveal that almost 21 % reduction in the
5 .實驗結果表明三相精餾過程在載點之前的分離效率比兩相精餾過程的分離效率低21 % ，而在載點和泛點之間，三相精餾過程的分離效率則比兩相精餾過程的分離效率高了近51 % 。 -
Based on the above studies. the different programs on how to use the rainwater resources efficiently is developed. which is decided by the water deficiency amount for agricultural production. a series of measures have been put forword. first, different geological regio should take different methods. second. the rainwater utilization through collection and storage projects or through reduction in evaportranspiration and increasion in infiltration should be combinated organically. third, the high efficiency of rainwater ' s utilization should be attained. therefore, water resources crisis can be alleivated efficiently and the agriculture sustainable development can be improved in baoding area
通過對典型年實測資料的分析，較深入研究了不同作物對雨水資源的利用效率及其影響因素。本文提出了根據缺水量等級決定的雨水資源利用方案的技術思路，因地制宜的提出了平原區以覆蓋抑制蒸發利用和雨水富集疊加利用為主的雨水資源高效利用措施，保定山區以就地攔蓄入滲利用利雨水富集疊加利用為主的雨水資源高效利用措施。 -
The effect of dredging channel for deposition reduction is related to dredged channel geometry morphology and dredged channel area
挖河減淤效果與挖槽幾何形態及挖槽面積有關。 -
City construction is identical with applying load on soil mass, so researching maximal area coverage and locus of stress diffusion, transfer and concentration in soil will be helpful of analyzing the deformation and stabilization of city foundation. it also is important content in the research of ultimate bearing resistance of city geologic environment, and it will provide beneficial reference for city disaster reduction, prevention and city sustainable development
城市建設等同於在城市下伏土體上不斷施加荷載，土中應力分佈、傳遞、集聚的最大區域、部位的研究，將有助於分析城市地基變形與穩定問題，是城市地質環境極限承載力研究中的重要內容，可為城市減災、防災，城市可持續發展提供有利的依據。 -
Using these data, we estimated cotton planting farmers " pesticides application equation and damage control production function, calculated the impact of bt cotton on pesticides use and cotton yield, and compared the poisonging probability due to pesticides application between bt cotton and non - bt cotton planting farmers. using bt cotton adoption area and the above results, this paper calculates the impacts of bt cotton on pesticides application, cotton production and poison cases all over china since the beginning of its adoption in china in 1997. the results demonstrate that the adoption of bt cotton reduced pesticides use approximatly 35kg per ha ; this is equivalent to 875 yuan of cost reduction
利用這些數據我們估計了種植棉花（包括轉基因抗蟲棉和非抗蟲棉）農產農藥施用方程和棉花損失控制生產函數（ damagecontrolproductionfunction ） ，估計了抗蟲棉對棉花農藥使用和棉花產量的影響，同時比較了種植bt棉與非bt棉農產在使用農藥過程中中毒概率的差異，在此基礎上，利用抗蟲棉在全國各地的推廣面積以及以上的分析結果，測算了1997年以來抗蟲棉的推廣對全國棉花農藥使用量、棉花產量以及棉農施農藥中毒事件的影響，並對其經濟影響的不同受益者作了分析分解。 -
The voluntary resettlement project has become one of important government interventions on poverty reduction. however, the strategy of area targeting and the inefficiency of trickle - down mechanism had negative effects on the efficient targeting and reasonability of resource and in general the poor group was been kept out of the beneficial group
但是我國扶貧工作的目標瞄準問題一直受到廣大學者的質疑和批評，因為以區域瞄準為典型特徵的扶貧模式以及經濟增長戰略下的涓流機制的失效在很大程度上使得貧困群體游離在扶貧受益群體范圍的邊緣和外面。 -
Using the von thunen model the author analyzes the mechanism for the rise in urban commercial house price and draw the following conclusions : when the urban commercial house price difference between central area and peripheral area is equal to or more than the cost to reside in peripheral area, rational buyers tend to buy commercial houses in peripheral area ; with the reduction of the cost to reside in peripheral area, the urban commercial house price level in central area tends to be close to that in peripheral area ; given that the cost to reside in peripheral area is fixed, the urban commercial house price level in peripheral area is restricted by the price level in central area
摘要借鑒馮?杜能模型分析城市商品房價格上漲機理，可得出以下結論：當購買城市周邊區商品房相比購買中心區商品房少支付的房價大於等於居住周邊區所需多支付的居住成本時，理性購買者會作出購買周邊區商品房的決策；隨著周邊區相比居住周邊區居住成本的降低，周邊商品房價格水平會趨近於中心區商品房價格水平；當周邊區居住成本相對穩定時，周邊區商品房價格水平受制於中心區商品房價格水平。 -
The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water
導水率減小是凍結土壤入滲能力減小的根本原因，而土壤中液態水的相變是導水率減小的根源所在。土壤水分的相變及其膨脹通過減小土壤水分過水斷面面積和孔隙孔徑，增大阻力和由於增長運動距離而減小水勢梯度使凍結土壤的導水率降低。 -
The values obtained from the optimum calculation are compared with that from the conventional calculation, and the result shows that, by means of the optimum design, under the given restrains, the pipe heat exchanger can operate well with a reduction of over 25 % heat transfer area
實例優化計算結果與常規計算結果的比較表明，優化設計可使管式換熱器在滿足給定約束條件下，節約25 %以上換熱面積，提高管程和殼程的流速，從而提高傳熱系數，最終得到操作、能耗和投資等方面的最佳經濟結構。 -
The practical work from turpan - hami basin and its neighboring area is taken as an example to describe the procedure of field survey and data reduction of layer resistivity of the surveyed area
以吐哈盆地及鄰區實際工作為例，論述了地層電阻率野外實測和資料整理方法；分析了測區內電阻率特徵。 -
The result indicated that the area proportion of dense woods, mixed needle leaf and bruad leaf forest and hush of woods had certain increase, and the area proportion on the economic forest, grass family crops and naked land will have certain reduction
研究結果表明，茂密林、針闊混交林和灌木林的面積比例將有一定幅度的增加，而經濟林、禾本科農作物和裸地面積將有一定比例的減少。 -
At the same time, using the results of model, the paper provides the optimization irrigation quota and the aim of high yield and high benefit based on the principle that the net benefit of unit water is highestusing the model, we can reasonably distribute the irrigation water for spring - wheat during growing period on the condition of different irrigation quota. through evaluating the comparative yield by the model, the paper gains that the reduction of spring - wheat output is biggest when the irrigation quote is between 100 and 200. the thesis also gains that the corresponding economic irrigation quota is 170 - 120m3 / 667m2. above results can provide scientific reference for irrigation water optimization distribution for crops in the individual irrigation area and the programming of irrigation district
在現有的生產條件下，可以利用模型在不同的灌溉定額下對春小麥生育期灌水進行合理的分配，並可以利用模型進行作物相對產量的評估，得出當灌溉定額在100 m 200范圍內時，春小麥的產量下降幅度較大，最後得出相應的經濟灌溉定額為170 120m ~ 3 667m ~ 2 ，為今後河套灌區各灌域多作物灌溉水量最優分配以及灌區的規劃設計方面提供了科學參考依據。 -
The mechanical parameters at high temperatures - reduction in area ( ra % ) and tensile strength ( o b ) are measured by means of gleeble - 2000 thermal simulating machine. fracture surfaces are analyzed by scanning electron microscopy and optical microscopy. the segregation of sn is also examined by auger electron spectroscopy
通過測定試驗鋼種的高溫力學參數（斷面收縮率ra和抗拉強度_ b ） ，觀察金相顯微組織，分析掃描斷口形貌，測試第二相析出物和俄歇能譜試驗等方法，研究了殘留元素sn及冷卻速率對高溫力學性能的影響。 -
The thesis started with briefing on undp ' s assistance to china, highlighting poverty alleviation ( pa ) as the top priority area of technical assistance to china. then the thesis raised the main problems hindering the realization of 8 - 7 poverty reduction programme, namely the incapability of targeting the poor, low repayment rate as well as low efficiency for using pa loans. the thesis answered why undp microfinance ( mf ) projects could solve these problems by elaborating undp projects " features and operating procedure through theory and practice
然後從理論和實踐兩方面詳盡論述了undp小額信貸項目的特點和運作模式，說明了小額信貸扶貧的原理，分析了小額信貸制度本身瞄準窮人的科學性和邏輯性，回答了小額信貸項目為什麼能夠解決政府扶貧中存在的扶貧不到戶、貸款還款率和資金使用率低以及項目成功率低等問題，從而使政府在扶貧攻堅過程中推廣了小額信貸扶貧模式，為我國「八七」扶貧攻堅計劃的實現做出了貢獻。 -
In order to research product properties of the cross wedge rolling ( cwr ), a series of rolling experiments have been carried out on two - roller cwr under the condition of considering the variation of the original diameter, deformation temperature, area reduction and heat treatment methods and so on
摘要為了研究楔橫軋條件下工件的性能，在考慮原始棒料直徑、變形溫度、斷面收縮率以及工件軋后熱處理狀態等的基礎上，利用二輥楔橫軋機進行了系列楔橫軋軋制實驗。 -
Surface area reduction helps to improve security by providing fewer avenues for potential attacks on a system
外圍應用減少操作將涉及停止或禁用未使用的組件以增加系統的安全性。 -
Under the pressures of population increase, arable land decrease, water shortage, planting area reduction of three major grain crops ( rice, wheat and maize ) in recent years, there is a potential crisis in food security in china
摘要在人口增加、耕地面積減少、水資源缺乏以及水稻、小麥和玉米三大糧食作物種植面積下降等因素的影響下，中國食物安全存在著潛在的危機。
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