初保持量 的英文怎麼說

中文拼音 [chūbǎochíliáng]
初保持量 英文
initial retention
  • : Ⅰ名詞1 (開始的部分) at the beginning of; in the early part of 2 (姓氏) a surname Ⅱ助詞(附著...
  • : Ⅰ動詞1 (保衛; 保護) defend; protect 2 (保持) keep; preserve; maintain in good condition 3 (...
  • : 動詞1 (拿著; 握著) hold; grasp 2 (持有; 保持) keep; hold 3 (支持; 保持) support; maintain 4...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. In order to solve this problem, we find a kind of herbages plant - sabaigrass ( eulaliopsis binata ) which not only can accommodate the badly environment of purple soil but also have excellent water and soil conservation effect and good economic benefit. this study adopt quantitative and qualitative methods, through comparative study of four different utilization types : sabaigrass treatment, grass tree solid plating treatment ( planting sabaigrass under fruit trees treatment ), bare land treatment, natural wild grassland treatment, study water and soil conservation effect, soil water condition, soil constructors condition, soil fertility condition and soil surface temperature, then evaluated the water and soil conservation effect of plating sabaigrass in purple soil bare sloping field and probed into water and soil conservation mechanism. the main results are as follows : 1

    本研究針對湖南省衡邵盆地紫色巖地區日益惡劣的生態環境,從紫色土荒坡地水土流失治理入手,在尋求出既適應紫色土荒坡地惡劣環境又有良好水土作用和一定經濟效應的作物? ?龍須草的基礎上,用定性和定相結合的方法,以「龍須草純種」 、 「龍須草與果樹立體種植」 (簡稱林草立體種植,下同) 、 「空曠地」 、 「自然野生雜草地」四種不同的土地利用方式進行對比研究,從水土效應、土壤水文狀況、土壤結構、土壤肥力狀況、地表溫度狀況等方面分析、評價紫色土荒坡地種植龍須草防治水土流失的效應,並對其機理進行了步探討,主要研究結果如下: 1
  2. Fermentation experiments on the level of 5l, 20l and 80l jars were carried out. the inceptive glucose condensation was kept and controlled below 1 % through the supply of glucose during the fermentation period. the productivity was improved 40 % compared with the common fermentation technics after the optimization

    經5l , 20l和80l發酵罐發酵實驗,在確定不改變始糖濃度的情況下,通過補糖發酵液中糖濃度不低於1 ,結合發酵後期補糖方案,可比常規發酵的產提高近40 。
  3. Secondly, the trends of dna and rna in the oocytes and follicle cells were displayed by histochemical method during oogenesis, which indicated that rna were synthesized at stage of the vitellogenic oocytes. but the quantity of dna was n ' t change

    並根據這八個階段對卵子發生進行了組織化學的步研究,結果表明,在卵子發生過程中,卵母細胞遺傳物質dna的總相對不變,證了遺傳信息的。
  4. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非淤積狀態,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過程來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部位的泥沙沉積比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉積比例與來沙密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤; 、 5 )本項研究首次論證了河口三角洲岸線動態平衡的概念,並建立了黃河河口來沙與造陸面積的相關關系,得出了當河口多年平均來沙在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了步探討。
  5. Furthermore, on the basis of consultancies, inquiries and evaluations from multiple sources, the model for predicting soil and water loss in dandong - zhuanghe highway construction is developed. moreover, considering the characteristics of the highway, the covering area of the project is divided into three parts such as main body area, soil - fetching area and soil - spoiling area. for these three preventive areas, the perfect precaution measures for preventing and curing the soil and water loss during the road construction in which a number of vegetal cover measures are taken

    論文中詳細調查並介紹了項目情況及沿線自然、社會經濟狀況;收集研究了公路建設項目水土流失預測的基本內容和方法,在多方查詢、請教專家及分析研究的基礎上,提出了丹莊高速公路水土流失預測模型,針對項目不同區域進行了水土流失預測和分析,為水土措施的設計提供了定依據;論文根據高速公路項目的特點,將丹東至莊河高速公路項目區分成了主體工程、取土場、棄土場三個水土流失防治區,並在步設計文件的基礎上,針對三個水土流失防治區進行了較為完善的水土防治措施設計;論文在丹東至莊河高速公路水土方案設計中大採用了植被防護措施,為了更有力地指導植被措施的施工,論文中還就植被水土的有效性進行了研究探討。
  6. Thirdly, the mathematics model of forecasting low flow was established in fengcong and fenglin regions according to these factors influencing the amount of low flow in karst drainage ( the area of drainage, lithology, the type of landforms and its special assembly and forest ) the conception of low water resources carrying capacity was first put forward according to the changing law of low water resources in space and the situation of exploitation and utilization in karst drainage ( ie, under the condition of the virtuous ecological environment and the available technology, the explorable amount of water resources in certain areas is capacity and limitation which is able to coordinate the development of population, enviroment and economy during the period of low flow seasons ) and preliminarily analyzed its connotation, characteristic and established the index system of low flow in karst drainage

    三是根據影響喀斯特流域枯水徑流的下墊面因素(空間尺度、巖性、地貌類型、植被) ,分別對峰叢和峰林等喀斯特地區建立枯水徑流預測模型。根據喀斯特流域枯水資源的空間變化規律以及實際開發利用狀況,首次提出了枯水資源承載力的概念,即在枯水季節期間,良性的生態環境和現有的技術條件下,某一區域內可開採的水資源對支該地區人口、經濟與環境協調發展的能力和限度。並步分析了枯水資源承載力的內涵、特性,從水資源的供需方面確立了喀斯特流域枯水資源承載力的指標體系。
  7. In this thesis, a strain of associative nitrogen fixing bacteria with high nitrogenase activity was selected and the further studies for it were conducted, the results obtained are as follows : selection and identification of associative nitrogen fixing bacteria with high nitrogenase activity. the nitrogenase activities detected by means of the acetylene reduction method and growth rates tested by optical density of germ suspension under the x 400nm ( od4oo ) of all the strains tested except for the strain w12 reduced gradually due to frequent subculture during a year. however, the strain w12 has been showing high and stable nitrogenase activity and growth rate since it was isolated five years ago

    固氮菌株的篩選與鑒定:測定從不同來源分離、收集和藏的12個固氮菌株或分離物在不同存時期的固氮酶活性和生長能力,發現多數菌株在分離得到時固氮酶活性較高,但隨著轉接次數的增多卻逐漸喪失固氮酶活性,生長也隨之減弱,只有w12在五年前從埃及分離得到至今一直旺盛生長勢和較高的固氮酶活性, 48h內乙烯生成可達1800nmol乙烯ml菌液以上,遠遠高於其它菌株,其生長( od _ ( 400 )值)也遠遠高於其它菌株。
  8. The number density distribution of globular cluster in space will change with time due to the dynamic evolution, especially for those in the central region of the galaxy ; 5. for the power law initial cluster mass function, the peak value of the mass function after the dynamic evolution is sensitive to the lower limit of the initial mass function we adopt. the suggested value in this paper is - 104m, which is consistent with that reduced from the dynamical analyses for the giant molecular clouds

    對于冪率的始質譜,球狀星團系統動力學演化后質分佈的轉折點質主要是由始質函數的質下限決定的,最為適合的值為10 ~ 4m _ ;冪率的始質譜的譜指數對球狀星團系統動力學演化后質分佈的轉折點質也有影響,其最佳值為1 . 5 2 . 0 ;經過大約5gyr的動力學演化,冪率的始質譜就會演化成為高斯的對數質分佈並具有在隨后的動力學演化中對數高斯形式質分佈的特性。
  9. The inactivation rate depends directly on exposure temperature ( 37, 39 ), and it is important to investigate a method of protein stabilization and to estimate the shelf - life of the strip, i. e., the duration for maintaining 90 % of the initial activity

    失活速度直接決定於暴露的溫度,因而研究穩定蛋白的方法和測免疫條的貨架壽命,即活性90的續時間,是很重要的。
  10. First according to the fact that tangential components of the evolution do not affect the geometric shape of the evolving curves, we introduce the evolution equation of geometric quantities for the general planar curves. then we describe the work of gage - hamilton briefly. last we consider a special curvature flow of curve which evolves with speed function of the principal curvatures along the inner norm and show that convexity of the curve is kept and its length and area are contracted if the initial closed curve is smooth and convex. so the final shape of the curve will be a point in finite time

    首先根據曲線在切向分上發展是不影響曲線的發展形狀,我們引入了曲線的一些幾何變的發展方程;其次我們簡要地回顧gage - hamilton研究曲線發展的一般步驟;最後我們考慮沿曲線的內法線以曲率的函數為發展速度的一類特殊的曲線族,證明了在始曲線為凸的閉平面簡單曲線條件下,曲線將凸的,並且它的面積和周長將同時收縮,並在有限時間內成為一個點。
  11. ( 1 ) in newly - constructed stage and early stage of reclamation, the most important factor of runoff is 30min rainfall intensity. in later stage of reclamation, the most important one is 45min rainfall intensity. and the runoff capacity is the most important influence factor to soil erosion always ; ( 2 ) on the certain degree, loosening surface has an active function to infiltration condition but not to conserve soil ; ( 3 ) the most runoff is formed on platform of stackpile and the soil erosion often happens in the slope ; ( 4 ) stone - soiled dumps have an advantage over soil at respect of erosion resistance so that soil is not adapt in covering slope ; ( 5 ) grass has a better role in conservation of water and soil than arbor in early stage of reclamation ; ( 6 ) arbor - arboret - hemp mix is the best model for conservation

    結果顯示:在未復墾時期和復墾期, 30min降雨強度對徑流影響最大,復墾後期徑流與45min雨強相關性最強,而徑流對土壤侵蝕的影響始終最大;通過疏鬆地表巖土只在一定程度上改善地表的入滲條件,並不能起到土的作用;平臺為徑流的主要形成區,而土壤侵蝕主要集中在斜坡;土石混排坡的土壤抗蝕性比覆土坡的要大得多,在排土場形成過程中不宜用厚層黃土覆坡;在復墾期,純草模式水土效果明顯好於純喬模式。
  12. The global normalized ants - seed pheromone update rule is presented to ensure that the sum of the pheromone distributed over the construction graph is a constant, in addition, the normalized mechanism solves the problem of pheromone initialization and avoids the influence of the scale of the quality function of the solution

    本章還提出了一種全局歸一化的的螞蟻種子信息素更新規則,該規則能證分佈在整個解構造圖上的信息素的總恆定,同時解決了信息素始化的問題以及消除了解質函數的綱對演算法性能的影響。
  13. For overcoming the malpractice of this system, lightening the burden of the peasants, the author has been to many villages and towns of yingkou city area to make an on - the - spot investigation. through discussions with peasants and officials at all levels in charge of agriculture and taxation, studying all the related documentations on fees and taxes reform in the rural area, the author analyzes the importance, causes and the difficulties of the fees and taxes reform, studies basic practices and the effect of transforming administrative fees into taxes in anhui province, the current situation of yingkou city area and the relative policies of the state. in this article, from keeping fees and taxes reform the normal nature, strengthening supervision in fees and taxes reform management, increasing propagating, standardizing fees and taxes levy and manage organization and range, advancing fees and taxes reform positively and steadily, the author proposes a tentative plan and measures on the fees and taxes reform in yingkou as well as issues needing attention

    為了克服這種體制的弊端,切實減輕農民負擔,本文作者深入到營口市一部分鄉(鎮) 、村幹部群眾中進行調研,並與稅務、農業主管部門的同志進行了座談,了解情況,徵求意見,研究了大有關農村稅費改革的文獻資料,分析了稅費改革的重要意義、稅費問題產生的原因和改革的難點,研究了安徽省稅費改革的基本做法和主要成效,分析了營口市稅費改革的現狀和國家有關政策,從稅費改革的規范性、強化對稅費改革的監督管理、加大宣傳力度、規范稅費征管機構及管理范圍和要積極穩步地推進稅費改革幾個方面,提出了營口市稅費改革方案措施的的步設想及應該注意的有關問題。
  14. The results were as follows : 1. on the basis of saline water infiltration, the characteristics of movement of soil water and salt under different cumulative infiltration were studied. the results indicated that when the salinity of the infiltration water was 3g / l, the top soil was desalinized and salt accumulated at the wetting front

    通過對不同入滲水下土壤水鹽運移規律的室內模擬試驗研究,結果表明利用礦化度為3g l水入滲后,土壤從上至下逐漸脫鹽,上層土壤含鹽略低於土壤始含鹽,中間土層基本土壤始含鹽值,但濕潤鋒附近發生突變,含鹽達最大值。
  15. Note that all these structures are numerically simulated firstly and then verified by the experiments. fourthly, in accordance with the need of gain control in a wavelength division multiplexed system, a gain - clamped l - band edfa using a single fiber bragg grating ( fbg ) is proposed. based on the giles model with ase, numerical simulation for the all - optical gain - clamped edfa is carried out

    最後給出一組使edfa在箱制增益的同時可以增益譜平坦的最佳結構和放大器參;最後,步介紹了光纖的非線性效應的產生機理及其對光通信系統的影響;實驗研究了應用edfa測t布里淵散射闡值的實驗裝置與方法。
  16. And we introduce a novel image assessment measure based on structural similarity ( ssim ) index to evaluate the equality of original denoised images and fusion image

    同時引入了一種新的基於結構相似性( ssim )指數的圖像質標準來衡始去噪圖像和融合后圖像與原始圖像的相似程度,評估圖像邊緣和去噪的能力。
  17. No matter in what processing condition, zt - 295a can keep good primeval color and long - term heat stability. our product can mix with all components of pvc resin, and widely used in squeezed out pvc hard product, for instance, piece, tubing, especially has best effect in profiled bar usage

    本產品具有高效低用的特點,在各種加工條件下, zt - 295a均可起到優良的期色澤和長期熱穩定的作用,本產品可於各種pvc樹脂及配方組份相配伍。
  18. It is suggested that because the volcanic reservoir has very high heterogeneity, waterflooding process should not be adopted rashly in the early production period until obtaining experiences from clustered - well lest : infill drilling and adjustment during the period of early production may enhance producing extent, prolong water - free oil production period and improve performance response : a number of horizontal wells drilled during the mid - period of production may further increase the single well productivity and keep relatively long - term production stable and high

    指出,由於火山巖儲集層非均質性極強,在火山巖油藏開發期切不可貿然採用注水開發,應在實驗井組中取得經驗后,方可逐步推廣;開發期,實施加密井調整措施,可提高儲集層動用程度,延長油藏無水開采期,改善開發效果;開發中期鉆一定數的水平井,可進一步提高單井產能,使油藏較長期的穩產、高產。
  19. To ensure with suppliers from the initial assessment, through to project completion, maintain the quality of work, and expect quality standards of alstom

    與供應商合作,確從最的評估到項目完成,工作的質,並滿足阿爾斯通質標準。
  20. We discuss the effect on the focusing of the probe beams for the five initial parameters : the amplitude of the pump beam, the separation between the pump and the probe beam centers, the wavelength ratio of the pump and the probe beams and the ratio of the initial beam widths at the directions of x and y. our numerical results show that, more the amplitude of the pump beam, the wavelength ratio of the pump and the probe beams and the ratio of the initial beam widths at the direction of y, more the probe focus ; the separation between the pump and the probe beam centers and the ratio of the initial beam widths at the direction of x have optimum values, respectively

    研究了泵浦光束輸入振幅、泵浦光束-信號光束始偏移、泵浦光束-信號光束波長比和泵浦光束-信號光束x 、 y方向的始束寬比五個參對信號光束聚焦程度的影響。數值模擬結果表明,泵浦光束輸入振幅越大、泵浦光束-信號光束波長比越大、 y方向束寬比越大,信號光束聚焦程度越大;泵浦光束-信號光束始偏移和x方向始束寬比都存在一個最佳值,使得光束聚焦達到最佳效果,有趣的是這兩個最佳值的比值基本不變約為0 . 4 0 . 6 。
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