面積閉合 的英文怎麼說

中文拼音 [miàn]
面積閉合 英文
areal closure
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : Ⅰ動詞1. (關; 合) close; shut 2. (堵塞不通) block up; obstruct; stop up Ⅱ名詞(姓氏) a surname
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • 面積 : [數學] area
  • 閉合 : close; shutting; synizesis; synezesis; occlusio; closure; make; occlus-; occluso-
  1. According to the law of different forest stand can arise different forest fire, based on the existing forest distribution at the badaling forestry center, the area percentage of different forest types, forest age, crown density and slope for each sub - compartment were analyzed, and based on the different characteristics of each sub - compartment, some rational methods of fire prevention were put forward

    摘要本論文基於不同的林分能引起不同的林火特性規律,針對北京八達嶺林場林分狀況,統計分析了各林班不同林分類型、林齡、郁度、坡度的分佈百分比,根據不同林班林分特點,提出了理的營林防火措施。
  2. 4. with visco - elastic boundary of soil considered, the eigenvalue equation in frequency domain of soil dynamic equilibrium equation falls into a complex transcendental equation. in course of seeking its solution, based on argument principle and contour integral, with the aid of matlab, two numerical algorithm combined with the corresponding procedures for solving transcendental equations in a complex plane is developed by the author

    4 、由於考慮了土體的粘彈性支承邊界條件,使得其動力平衡方程在頻域內的固有值方程為一復數超越方程,為了求解該方程,筆者基於幅角原理和曲線分,結matlab ,提出了復平上超越方程的兩種數值解法,並編制了相應的程序。
  3. When used as a base coat lival gr is applied uniformly and thinly with a cloth or a sponge, either in pure form or mixed with water

    染色前封劑時,可與水混或純原液,用布或海均勻地稀薄地塗在表,如是大應用,也可用噴槍。
  4. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方的工作,目的在於提高dtc系統的綜性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應環磁鏈觀測器代替傳統的分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,結ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
  5. The new unit has following technical features : ( 1 ) the unit ' s load is balanced by means of the accumulator and hydraulic cylinder with special structure ; ( 2 ) the installed power of the unit can be reduced greatly by adopting the accumulator ; ( 3 ) variable frequency speed regulation ensures good energy saving effect, and the closed oil circuit requires less hydraulic oil ; ( 4 ) a bi - directional hydraulic lock in the oil circuit ensures the stability and safety of the operation of the pumping unit

    新型機具有4個技術特點: ( 1 )由於活塞柱塞式液壓缸的特殊結構和液壓蓄能器的配使用,在平衡抽油機大部分載荷時,不需另外增加配重,可減小抽油機體、質量和佔地; ( 2 )抽油機下沖程時,與活塞柱塞式液壓缸相連接的蓄能器吸收能量,上沖程時儲存在蓄能器中的能量補充載荷上行所需的能量,大幅度降低抽油機裝機功率; ( 3 )利用變頻容調速節能效率高,式油路節省液壓油,同時大大減小液壓泵站的體; ( 4 )在式油路中採用雙向液壓鎖可使抽油機的啟停更加平穩、迅速,其工作的穩定性和安全性更好。
  6. Compared with those of as - sprayed ring, hardness and tension strength of area near processing face are increased by 45 % and 40 % respectively. friction mechanical performance of the ring is improved at large extent, and especially the wearing amount is merely 13 % of as - sprayed rings. after dual - direction cyclic pressing, the pore - closed state and the distributing of density and hardness are nearly identical in every part of ring. the friction mechanical property is close to that of single - direction - cyclic - press ring

    靠近壓力加工部位,硬度較沉坯提高了45 % ,拉伸強度較沉坯提高了40 % 。雙向楔壓后孔洞、密度硬度分佈都比較均勻。單向楔壓后,用壓力加工作為摩擦, al - 20 % si / sicp復材料的摩擦磨損性能得到大幅度提高,尤其磨損量為楔壓前的13 % 。
  7. The envelop capacity of seal influence the formationand and scale of reservoir. the main kind of trap is structure trap as anticlinal or fault anticlinal with high closure height and big area. so the trap is put into effect and its formation match the period of hydrocarbon runoff

    孔雀河斜坡圈類型以背斜和斷背斜等構造圈為主,幅度大,落實程度較高,而且圈形成期與排烴期相匹配,在現階段圈條件不是影響成藏的主要因素。
  8. Compared with the experiment data, the temperature field and the thermal stress field are discussed. the spacing, the time of sealing and the plane form of the later joint - filled slots are discussed especially, and it is found that the spacing, the time of sealing and the plane form of the later joint - filled slots are comprehensive indexes which are relevant to material, design and construction. the theory value of the spacing and the time sealing of the later joint - filled slots and some proposals on the plane form are presented on the basis of numerical calculation

    本文在綜前輩的研究成果的基礎上,推導了粘彈性場的三維有限元解,對比實際工程實驗數據,對大體混凝土結構內部的溫度場和應力場進行了分項研究,重點討論了后澆帶的留置間距、封時間和平形狀,發現其留置間距、封時間和平形狀都是綜指標,是和材料、設計、施工有關的。
  9. But the number of oil or gas reservoirs in surennuoer structural zone is more than that in bayantala structural zone. considering all kinds of accumulation conditions and distribution of reservoirs, main factors controlling oil or gas accumulation and distribution are time and space matching relation between source rock and cap rock, sedimentary environment, faults and traps

    通過油氣藏與各種成藏條件的疊,全、系統的研究了烏爾遜凹陷的油氣成藏與分佈的控制順素,指出蓋源時空匹配關系、沉環境、斷層和圈是烏爾遜凹陷油氣成藏與分佈的主控因素。
  10. Under the background of the economic globalization, no country can try to achieve development under sealing state. on the other hand, more and more countries are forming different economic groups for each or common interests. this is a trend of regional economy conglomerating

    任何國家和地區都不可能在封狀態下求得發展,任何國家的經濟活動必然會以某種渠道、某種方式傳遞到其他國家,同時也必須接受其他國家對本國傳遞的影響;另一方,各國為了各自及其共同的利益,越來越多的國家結成了大小不一、形式不同的經濟集團,極開展經貿作。
  11. Under this condition, it is more and more important and necessary to do research on the price discount of close - end funds in china. the main purpose of this thesis is to explore the characteristics and causes of price discount in the trade of close - end funds in our country, as well as some main factors affecting the high discount rate. furthermore, the thesis proposes a number of countermeasures in a hope to guide people ’ s investment strategy, decrease the discount level and promote the

    本文的研究目的在於結我國證券投資基金市場的實際情況,試圖解釋封式基金折價有何表現特徵、封式基金折價的原因、影響封式基金折價的主要因素,以及對封式基金高折價的對策等問題,並據此提出一些有針對性的可操作性建議,為基金投資和基金管理提供指導,為改革和完善基金的運作方式和監管制度提供參考,從而對我國證券投資基金市場的規范和穩定發展起到極的促進作用。
  12. 2 the line integral of the tangential component of the magnetic field intensity h around a closed contour c is equal to the sum of currents passing through any surface s linking that contour

    沿著一個迴路c的磁場強度的線分等於穿過任何以此迴路為邊界的曲的電流之和。
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