有效落差 的英文怎麼說

中文拼音 [yǒuxiàolàchā]
有效落差 英文
available fall
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 落 : 落名詞[方言] （北方對蓮花落的俗稱） a kind of folk song
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 有效 : effective; valid; efficacious
  • 落差 : 1 （水位的差數） drop2 （蓄水高度） head3 fall head; [地質學] throw; drop height; falling head落...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. The killing effect on oncomelania hupensis by lixivium of pterocarya stenoptera, nerium indicum, rumex japonicus and their mixture was studied. differences of the snails mortality were studied also. the three kinds of plant material could kill the snail effectively both in spring and in autumn. but the mortality was different when the experiment is done in different seasons or with different lixivium. the effect in spring was better than that in autumn. n. indicum was the most effective among the three kinds. the effect by mixture was better than that by unitary material, and the effect by the mixture of the three kinds was better than that by two kinds. the variance analyses showed that the experiment could be modified, and some ingredients concentration in mixed lixivium could be reduced. the experiment was valuable in enhancing the power of killing the snail and saving plant material

    對楓楊、夾竹桃和土大黃以及它們的組合水浸液的滅螺效果作了比較研究，結果表明: （ 1 ）滅螺效果均隨水浸液濃度的增高而增強; （ 2 ）這3種植物材料及其組合水浸液的滅螺效果都是春季比秋季好; （ 3 ）組合水浸液的滅螺效果比單一植物材料水浸液的滅螺效果好; （ 4 ）方差分析的結果說明植物材料組合水浸液滅螺在保證滅螺效果的前提下，還可以適當降低組合水浸液中的濃度.以上結論對提高植物材料的滅螺效率和節省植物材料的使用量有著重要的意義，同時也為組建植物滅螺群落提供了有益的參考
  3. Enclosing sandy - land merely without sand barriers ca n ' t lead to effective restoration of its vegetation. and in such sandy - land, the dominant plant species is still agriophyllum arenarium, and the coverage and the species richness are rather low

    只封禁多年但沒有設置沙障的流動沙丘，其植物群落的恢復效果很差，優勢種依然為沙米，並且群落蓋度和物種豐富度很低。
  4. Haojia. tuanliun and green camps, had been out of date and could not develop its function of keeping security and manipulating society. as a result, it was highly necessary to destroy the old and establish the new with the development of the times

    清末直隸警政創行的客觀背景是由差役、保甲、團練、綠營等構成的舊治安體制落後過時，不能有效地發揮其維持治安、控制社會的應有職能，需要因時而變，破舊立新。
  5. Although our government audit has made great development, as a comprehensive economic supervise on high levels, our government audit still has great difference with the developed countries. it is mostly represented at the relative lagging on the government performance audit

    然而，我國的政府審計雖然取得了很大的發展，但是，作為一種高層次的、綜合性的經濟監督，我國的政府審計與發達國家之間還有很大的差距，主要體現在我國政府績效審計相對落後。
  6. Efficiency of permeable pile dike is closely related to water - sand ratio in upstream flow, direction of the coming flow and seepage rate. this paper investigates mechanism and effect of flow control and aggradation using hydraulic modeling and theoretical analysis. it is shown that suitable seepage rate can help aggradation and suitable coming flow direction can help to govern the flow trend

    研究結果顯示，來流和來沙一定的條件下，透水率在適當的范圍內有利於壩后緩流落淤，入流角在一定范圍內對控導河勢有明顯作用，不同方案組合所對應的緩流落淤效果和控導河勢作用具有一定的差異性。
  7. 2. after the landscape orientation analysis to the evolution process of henan industrial structure, i think there is a gap between henan and coast provinces in the aspect of industrial structure status and industrial structure benefits. it is very difficult to shorten this gap during a short time because the middle area where henan located is the " blind point " of macro adjustment and controlling of nation

    通過對河南省產業結構的演化過程的橫向對比分析，我們認為河南省目前的產業結構高度、產業結構效益與沿海發達省份尚有一定的差距，而且由於河南省所處的中部地區目前是國家宏觀調控的「盲點」和傾斜政策遺忘的「角落」 ，因此要想在短仙內縮短差距困難很人。
  8. Under rayleigh fading channel, we also simulated and compared ber in siso 、 simo and mimo systems. secondly, based on careful study the ber and the channel capacity under white noise channel under mpsk modulation when the channel is rayleigh fading, we duduced the expressions of stbc ’ s ber and channel capacity under rice and nakagami fading. and also analysed the performances through numerical simulation using matlab to testify the exactitude of the dudeced expressions. finally, there exists an error floor of stbc through studying on its performance on time - selectiv fading channel. we analysed the reason and proposed two new decode combination scheme to eliminated the error floor and the performance of stbc on time - selective fading channel is improved. and also compared the two scheme ’ s complication and snr gain

    這些結果大部分是閉式結果，能比較準確地衡量空時塊碼的性能，並對不同衰落的性能做了相互比較，其結果對空時塊碼的實際應用具有一定的指導意義。實際的通道是時變的，分析了空時塊碼在時間選擇性衰落通道中產生誤差地板效應的主要原因是存在碼間干擾（ isi ） ，在此基礎上提出了兩種能消除誤差地板效應的譯碼合併方案，並對這兩種方案的復雜度和信噪比增益進行了比較。
  9. As the results, the speed profile could settle the questions on the physical properties of different products, the height which between the screw feeds and the weighing - cell, the time - lag of stopped feed effectively, and rising the precision in weighing and filling

    實驗結果顯示，本研究所設計組裝之秤體藉由給料器轉速配置的設置可有效地解決固形農產品因不同物料性狀、落料高度及充?停止之時間差而衍生的問題，提高秤重充?的精確度。
  10. The many problems in the present situation of the construction enterprises need to be discussed, such as behindhand technology and equipment, lower labor efficiency, higher labor intensity, the lack of invariability of construction quality, lower operation profit, macro order needs to be improved, different industrial mechanism coexistence

    我國建築施工企業的現狀有許多值得深思的問題：技術裝備落後；勞動效率較低；勞動強度較大；施工質量缺乏較穩恆的保證；經營效益較差；宏觀秩序有待改善；行業間機制多樣並存等等。
  11. The artide, the process contrd in construction project, analyzed the inner aned outer environment of the construction enterprise, considered the advanced managing experience of some construction enterprises in and out of china, researched the managing theories and summarized the practice experience from project cost contrd, progress contrd, quality contrd and capital contrd, and tried to find an efficacious way to superintend the process of the construction, the article indude five parts : 1. the necessity and strategic significance of carrying out the contructinn project process contrd. 2. the current situations and main problems of the project process contrd in china. 3. the experience of the project process contrd in and out of china, and the revelation for us. 4. the methods and contents of enhancing the project contrd in enterprise, include the methods and contents of the project cost contrd, highlighting quality contrd and improving quality standard, highlighting quality contrd and improving quality standard, the contrd of project planning progress and resource management, strengthening financial management and increasing the profits. 5. speeding up the reform of the project control institution, improving the scientific and efficacious managing institution, improving the scientific and efficacious managing institution, and some key respects in the project management process

    所有者缺位，企業沒有真正地建立起現代企業制度，決策缺乏科學性，人本管理、企業文化建設、制度建設沒有真正地的落到實處，企業的經營權力過分集中，經營者負盈不負虧，拼資源的現象普遍存在，管理水平不高，盈利能力較弱，競爭能力不強，人員素質較差，是大部分國有企業內部的通病。 《施工項目過程式控制制》這篇文章，通過對施工企業所處內外環境的客觀分析，結合國際國內的一些施工企業的先進管理經驗，從項目成本控制，進度控制，質量控制，資金控制等方面進行理論探索及實踐總結，力爭找出一條有效監控施工企業施工過程的成熟的管理之路，全文共分五個部分：一、實施施工項目過程式控制制的必要性及其戰略意義。二、當前我國項目控制的現狀及其存在的主要問題。
  12. The gap between designers ' interpretations and users ' understanding of product form is recognized as coding - this can be divided into two diametrical positions : encoding ( where signs are produced ) and decoding ( when signs are received )

    設計師詮釋產品造形的原構想和使用者理解的結果，因為符號與符碼的效應而有所落差，以相對應的兩個角度來看，即為編碼（產生符號）與解碼（接收符號） 。
  13. 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。
  14. ( 3 ) on parallel computing of the third generation ocean general circulation model from lasg / iap i ) we present an optimization model by multi - overlapping - boundary for parallel explicit integration with finite difference discretization, and point out that the gap between speed of network and cpu makes it a practical technique. we compare the parallel characteristics of spectral element and finite difference from the point of view of communications, communication - to - computation ratio and scalability

    （ 3 ）關于中科院大氣物理研究所第三代海洋環流模式的高效并行計算? ）基於對有限差分離散的分析，提出了一個面向顯式時間積分并行計算的多重疊國防科學技術大學研究生院學位論文邊界優化模型，指出了網路速度與處理器速度間的落差使得採用冗餘計算取代部分通信成為一種具有相對優勢的實用技術。
  15. The use of special anti - condensing design can protect the kitchen cabinet form being damaged due to expansion, mildew and rot after absorbing the moisture at the bottom of the cabinet, resulting from the condensed water on the quick - frozen food when encountering low temperature of the water tank

    特製防溫差凝露，有效防止因冷凍食品放入水槽后，因溫度過低，水氣凝聚盆底形成水珠滴落櫥櫃，造成櫥櫃吸水，膨脹霉爛。
  16. In addition, under high sintering temperatures, iron powder can result in the graphitization of diamonds. these two reasons will affect the mechanical properties of the metal bond and its retention capacity. as a result, the wear resistance of metal bond is poor and diamond grits can be easily pulled out from the matrix, thereby shortening the life of the saw - blade

    而且在高溫下，鐵粉會對金剛石產生較嚴重的化學侵蝕，這兩方面的原因都會影響結合劑本身的力學性能及其對金剛石的有效把持，導致鋸切過程中結合劑耐磨性差，金剛石容易脫落，使鋸片壽命縮短。
  17. With the aim to study the fishing variations between the single - trap set net and the double - trap set net, catch per unit effort ( cpue ) and seasonal index derived from monthly landings at two fixed shore - nets along the coast of tang - ao in northeastern taiwan were examined for the last 10 years from 1975 to 1984

    摘要為究明改良型定置網（雙落網）與傳統型定置網（單落網）之漁獲效率及漁期差異性，乃以東澳新協發定置漁場網型改良前後各5年之魚種別歷月漁獲統計資料加以檢測解析，結果如次： （ 1 ）網型改良后的總平均單位努力漁獲量較改良前成長3倍有餘。
  18. Results mr - ml technology can be used to quickly and effectively evaluate petrophysics and the property of pore fluids, and compensate the low resolution of seismic data, command the drilling situation of reservoir and lower the exploration risk

    結果通過磁共振錄井技術可快速、有效地評價儲層的物性及流體性質，從而彌補深部儲層由於地震資料解釋精度低、儲層落實程度差的不足，對于及時把握儲層的鉆探情況、降低勘探風險具有重要的意義。
  19. This part is investigated in this paper. what ' s more, a new type admixtures - shrinkage - reducing admixture is also studied with respct to the concrete shrinkage. results indicates that expansive admixture and shrinkage - reducing admixture both decrease early - age shrinkage, but the shrinkage - reducing admixture has the merits of more stable shrinkage - reducing ratio, lower drop in elavation of shrinkage, more substantial reduction in overall shrinkage and so on

    此外，減縮劑是一種專門用於減少混凝土乾燥收縮和自收縮的新型外加劑，本文也研究了其對混凝土收縮作用效果，試驗結果表明：膨脹劑和減縮劑都具有改善混凝土早期收縮的作用效果，但同膨脹劑相比，減縮劑具有減縮穩定，收縮落差小易適應變化，改善效果更明顯等優點。
  20. In this thesis, we introduce the 3g system and the key technologies for 3g we emphasize on the technology of multi - user detection ( mud ). we analyze the performance of lmmse in various channels and prove that it can reduce the multiple access interference and the multi - path interference and it has a good ability to resist the near - far problem

    其中重點介紹了多用戶檢測技術，詳細分析了線性最小均方誤差檢測器（ lmmse檢測器）在awgn通道和衰落通道下、同異步ds - cdma系統中的性能，證明了該檢測器能夠有效地抑制多址干擾、多徑干擾，並具有良好的抗遠近效應能力。
分享友人
分享到 Line

分享到臉書