reduction in area 中文意思是什麼

reduction in area 解釋
斷面減少
  • reduction : n 1 縮小,減少;降級,降位;(刑罰等的)輕減;減速;減價,折扣。2 (城市、國家等的)陷落,投降,...
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • area : n. 1. 面積;平地;地面。2. 空地;〈英國〉地下室前的空地。3. 地區,地方;〈比喻〉區域;范圍。
  1. 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。
  2. 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。
  3. 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。
  4. 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 % 。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. 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。
  10. 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。
  11. 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。
  12. With the reduction of the leading time, the location of the zonal wind stress area influencing nino3 ssta expands toward the middle pacific from the eastern pacific, as well as the meridional wind stress in the eastern pacific and the western pacific

    影響nino3區ssta的緯向風應力區域的位置隨風應力超前的時間縮短由東太平洋向中太平洋擴展,經向風應力區域的位置由東太平洋和西太平洋向中太平洋移動。
  13. It has been confirmed that np30 has sensitizing effect on formation of hepatic egg granulomas in mouse model for hepatic egg granuloma of schistosoma japonicum ; immunization with np30 in kunming mice, c57bl / 6 mice and goats obtained worm reduction of 50. 46 %, 41. 67 % and 42. 78 %, respectively. np30 possesses effects of both anti - fecundity and anti - embryonation immunity on female worms of s. japonicum. moreover, np30 plays a significant down - modulatory role to hepatic granuloma and fibrosis ( the diameter, area and volume of egg granuloma were all significantly less than those of control ; the contents of type i, iii of collagen and fibronectin were also significantly less than those of control )

    已對np30分子進行了較為廣泛的研究,應用小鼠日本血吸蟲肝肉芽腫模型證實np30對蟲卵肉芽腫的形成具有致敏作用;對感染宿主(昆明種小鼠、 c57bl / 6小鼠和山羊)具有較好的免疫保護作用(減蟲率分別為50 . 46 、 41 . 67和42 . 78 ) ;用np30主動免疫小鼠具有抗雌蟲生殖產卵和抗卵胚發育的雙重功效;另外,還對血吸蟲病肉芽腫和肝纖維化有明顯的負調節作用(蟲卵肉芽腫的直徑、面積和體積均明顯小於對照組,肝組織、型膠原及纖維連接蛋白含量均低於對照組) 。
  14. Abstract : the investigation on the evaculation in jingjiang diversion area ( jda ) during the 1998 flood revealed that the traffic - jams and disorders occurred during the evacuation, even under the flood preparedness plan for the diversion. the improvement of the organization and management for safe shift had become the focal point highlighted in the evacuation of 1998. the people living in the jda had poor information on flood. strengthening the dissemination of flood information and upgrading the consciousness of flood preparedness for the families inhabited in the jda is becoming one of the major priorities of flood disaster reduction in the future. it is imperative that appropriate compensation for the losses caused by the flood diversion should be made to insure the diversion area to be used effectively to protect more important regions

    文摘:對荊江分洪區1998年洪水期間安全轉移的調查表明,雖然有分洪預案,但實際轉移時仍出現了相當程度的擁擠與混亂.完善分洪轉移的組織與管理,已成為分洪區居民1998年轉移后關注的焦點.分洪區居民普遍表現出對分洪洪水水情不甚了解,通過各種方式開展有關洪水信息的宣傳,提高區內居民的防洪意識,是荊江分洪區未來防洪減災的重點工作之一.由於是國家為保護更重要的地區而主動分洪,對分洪區因分洪蒙受的損失給予某種形式的補償已勢在必行
  15. 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。
  16. In the third ductility region, the reduction in area of the sn - undoped steel is larger than that of the sn - doped steel. this means that the hot ductility of the sn - undoped steel is better than that of the sn - doped steel

    在第類脆性溫度區內,不含sn鋼的斷面收縮率大於含sn鋼的斷面收縮率,即不含sn鋼的熱塑性要比含sn鋼的熱塑性好。
  17. Furthermore, under hypoxic conditions, a pulmonary - specific type of vascular remodeling called pulmonary arterial remodeling occurs that is characterized by thickening of the vessel wall with a concomitant reduction in the vessel lumen area, thereby limiting blood flow

    此外,在低氧的情況下,一種稱作肺動脈重建的特異性血管重建類型的發生是以血管壁增厚並伴發血管腔區域的減少為特徵的,因此限制了血流。
  18. Based on the hot tensile test results, there exists a cooling rate at which a minimum reduction in area occurs and the hot ductility of the sn - doped steel is worse than that of the sn - undoped steel. when the cooling rate is lower or higher than 10 / s, the hot ductility is increased

    連續冷卻到750 800范圍內拉伸時,存在一個冷卻速率( 10 s ) ,以這個冷卻速率進行冷卻,試樣的斷面收縮率最小,熱塑性最差;當冷卻速率大於或者小於這個冷卻速率時,試樣的斷面收縮率均會增大,熱塑性增強。
  19. Evaluation of uncertainty of measurement in testing for materials at ambient temperature has been discussed, including tensile strength ; lower yield strength ; proof strength, non - proportional extension ; percentage elongation after fracture and percentage reduction of area

    摘要文章介紹了金屬材料室溫拉伸試驗測量結果不確定度的方法,內容包括抗拉強度、下屈服強度、規定非比例延伸強度、斷后伸長率和斷面收縮率等性能指標。
  20. It is put forward that human activities disturbance has lead to the hydrographic and water resources environment changes directly, continuing reduction in area and loss in ecological function of wetland

    指出人類活動的干擾直接導致沼澤濕地水文水資源環境的變化,濕地面積不斷的減少,使濕地生態功能不斷下降。
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