base region 中文意思是什麼

base region 解釋
基極區
  • base : n 1 基底,基,根基,底座;底層,底子;(紀念碑等的)基址;(山)麓。2 【軍事】基地,根據地。3 根...
  • region : n. 1. 地方,地域,地帶;地區;行政區,管轄區,區;左近,鄰近;(大氣、海水等的)層,界,境。2. 【解剖學;動物學】(身體的)局部,部位。3. (學問等的)范圍,領域。4. 〈罕用語〉天空。
  1. The pollution problems of the rivers and streams in that region have accordingly improved considerably in the past decade. however, as the base flow of local rivers and streams is generally small, their assimilative capacity is therefore low. this, coupled with the continued development and hence population growth in the river catchments, as well as the lack of maintenance of many private septic tank systems, has caused the water quality of some rivers and streams in the northwest new territories to remain unsatisfactory

    而溪流的污染情況在過去的十年間亦因此而有所改善,但由於本地河溪的流速相當慢,河流的自凈能力相對偏低,而河溪的周邊不斷發展,人口持續增加,加上部分私人的化糞池系統欠缺打理,未能有效運作,所以新界西北仍有部份河溪水質未如理想。
  2. The base region is always very much narrower than the emitter or collector regions.

    基極總是比發射極和集電極薄得多。
  3. On the base of compendious introduction of position, condition of traffic, choice substratum of this topic and studying significance of bamei eco - tourism region, the thesis has especially narrated strategic significance of developing tourism and regional geological background, has detailed introduced type and feature of tourism resource of bamei eco - tourism region, has deeply analyzed relation of tourism market supplying and needing ; after studying feasibility of conversion of resource and production, the author took the opinion of deeply development of tourism products, and detailed discussed on deeply development of tourism products of bamei eco - tourism region

    文章在簡略介紹了八美生態旅遊區地理位置、交通條件、選題依據及研究意義的基礎上,重點敘述了本區發展旅遊業的戰略意義及其區域地質背景;詳細介紹了八美生態旅遊區旅遊資源類型及資源特色,深入分析旅遊市場供需關系;在對資源-產品轉化可行性研究之後,提出了旅遊產品深度開發的理念,並按近期、中期和遠期三個階段對八美生態旅遊區旅遊產品深度開發進行詳細深入地探討。
  4. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層特徵在平面上變化的參數,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差函數法,通過球狀函數模擬,確定儲層優勢滲透率方向:根據流動單元法,以儲能系數、容積系數以及凈毛厚度比三個參數為依據,通過聚類分析方法進行流動單元劃分,並且按照參數特徵將其分為五類,統計各砂層有利流動單元區塊。
  5. The simulation result has indicated that using the method of two - value filter can solve the question perfectly, and the question is the edge discontinuity of traditional image classify base on region ; the image fusion which make use of edge gradually change is sententious and efficient ; the color image reinforcing which realized by grey statistics histogram equalization method has reduced the need of environment brightness in virtual photographing system

    模擬結果表明,利用二值濾波處理較好地解決了傳統的基於區域的圖象分類中的邊緣不連續的問題;利用邊緣漸變方式實現的圖像融合簡潔有效;由灰度統計直方圖均衡所實現的彩色增強處理降低了虛擬照相系統對環境照度的要求。
  6. 3 automotive electronic industrial base automotive electronic industrial base is composed of shushan region and linjiang industrial park region, with planned area of 3000 mu

    4 2數控裝備產業基地數控裝備產業基地位於江東工業區內,規劃面積1500畝。
  7. South china agriculture region is important production base for planting and stock raising

    摘要南方農區為我國種植業和畜牧業主要生產基地。
  8. Temporizing the policy of developing bo - hai rim, we devote ourselves into becoming the number one machinery processing base in the region

    順應國際化浪潮,把握我國開發環渤海經濟圈的契機,力爭成為環渤海最大的加工基地!
  9. The mature region cdna of melittin of apis cerana was cloned by using puct - vector developed from pucis vector. the sequence was compared with the corresponding region of melittin of apis mellifera reported in genbank, the mutant site was found in 33rd base ( a : apis mellifera ; g : apis cerana ), but the primary structure of the two proteins were identical, which suggested melittin, as an important defensive gene, was very conservative in evolution

    測序結果顯示與意蜂( apismellifera ) melittin成熟區序列相比,中蜂( apiscerana ) melittin成熟區序列在第33位存在差異(意蜂為a ,中蜂為g ) ,但兩者蛋白質一級結構相同,說明melittin作為蜜蜂一種重要的防禦基因在進化上保守。
  10. Abstract : based on the indoor test results of the base bedding course materials for cement concrete pavement and prevalent actural calculation approach of the prevalent norms, and according to the different compositions in changtan expressway and in consideration of the experiences gained in the central and southern region, a typical structure legend for cement concrete pavement which is suitable for areas damp and with plenty of rainfall the typical structure and guideline for the use of the typical structure legend are presented in this paper

    文摘:通過對南方多雨地區目前常用的水泥混凝土路面基墊層材料的室內試驗,依據現行規范的結構計算方法,進行不同結構組合驗算與長潭高速公路試驗路段現場檢測,並參考中南地區使用經驗,提出了適應多雨潮濕地區水泥混凝土路面典型結構圖例,論述了運用典型結構圖例的原則及指南。
  11. The paper divided turbidite fan in deep water from long source into braided channel microfacies, inter - braided channel microfacies, medium fan over - belt microfacies, and external fan subfacies, and divided slump turbidite which related with delta into medium fan subfacies and external fan subfacies, and summed up 15 kinds of marking of subfacies and microfacies classification. at the same time, it formed a series of effective technology of analyzing turbidite source at the base of studying region geological which combined with analyzing the content change of terrigenous debris, with the found of logging facies, and with the ancient terrestrial magnetism test and other technology means under the guidance of three - dimensional model of turbidite which has been founded already and the flat surface feature of microfacies

    將遠源深水濁積扇劃分為辮狀水道微相、辮狀水道間微相、中扇過渡帶微相和外扇亞相;將與三角洲有關的滑塌濁積扇劃分為中扇和外扇兩個亞相,並總結了濁積巖沉積劃分各種亞相、微相類型的十四種標志,分別為:巖石類型、層理類型、砂巖單層厚度、粒度結構特徵(粒度中值、分選性、概率曲線) 、生物化石、儲層物性(孔隙度、滲透率) 、泥巖隔層特徵(泥巖單層厚度、層數、顏色) 、鮑瑪層序組合和自然電位曲線特徵。
  12. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了最佳陣元分佈方程,分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析,推導了天線方向圖旁瓣包絡、波束寬度,干凈掃描區寬度的估計公式,給出了近軸旁瓣電平與陣列參數的關系。
  13. According to characteristics of the seismic data from the low snr region with complex surface, this paper is started from solving the static correction problem and reasonable eliminating all kinds of disturbance in the seismic data from the low snr region with complex surface. through the whole process of seismic data processing which includes a series of processing methods that are suitable for the low snr region, namely, from the choosing of the floating base - level, the static correction in the field and indoors, the eliminating of all kinds of noise before and after stacking, the velocity analysis with high - resolution, the reasonable techniques of deconvolution before stacking and wavelet processing after stacking, to the method choosing of the high - resolution stacking and the reasonable and accurate offset imaging, a set of the complete and effective flow for processing seismic data from the low snr region with complex surface are finally formed, which can meet the need of explo

    本文針對復雜地表低信噪比地區地震資料的特點,以解決復雜地表低信噪比地區地震資料靜校正問題及合理剔除各類干擾為出發點,在整個地震資料處理過程中,從浮動基準面的選取、野外及室內靜校正、疊前疊后各類噪音的去除、高精度速度分析、合理的疊前反褶積及疊后子波處理技術、到選用高精度的疊加技術及合理準確的偏移成像方法等一系列適合於復雜地表低信噪比地區的處理方法,最終形成一套較完整且有效的針對復雜地表低信噪比地區地震資料的處理流程。
  14. The article takes hubei province northwestern region as objective of a research project, deeply dissects hubei province northwestern region ' s condition of the farmland resources " exploitation and utilization from the concept of the farmland resources " sustainable exploitation and utilization by the method of comparative analysis, and analyses the hindrance factors which restrain hubei province northwestern region ' s exploitation and utilization of the farmland on the base of qualitative analysis

    本文以鄂西北地區為研究對象,從農地資源可持續開發利用的內涵入手,運用比較分析方法,深入剖析了鄂西北地區農地資源開發利用的現狀和制約鄂西北地區農地資源開發利用的障礙因素。在此基礎上,提出了鄂西北地區農地資源可持續開發利用的理論依據、基本原則和對策措施。
  15. Base on certain main magnets of nmr this thesis designs the most excellent structure of the pole shape and obtains a relatively uniform magnetic field in a large imaging volume. the calculating model of pole shape made of pure iron can be simplified with the infinite permeability and calculated with the scalar potential. the rule between pole shape and the homogeneity or the size of uniform region of magnetic field is discovered and factors of influencing the homogeneity of the magnetic field are held so that the main magnet with the optimized size of pole shape can produce a relatively uniform magnetic field in a large imaging volume

    本文針對一類典型結構的主磁體,通過磁場分析與大量的計算,找到了極靴形狀的改變影響樣品區磁場均勻度以及均勻區域范圍的規律,掌握了極靴形狀的變化趨勢及其形狀影響樣品區磁場均勻度的各種因素,進行了極靴的形狀優化設計並編制了相應的計算機軟體,給出了極靴形狀的具體尺寸,使得主磁體能在更大空間內產生相對均勻的磁場。
  16. The organization of basic blocks gba has several regions of memory which differ on size and speed. i analyze these operations on basic blocks which have greatest impact on system performance, and proposed approach to organize basic blocks base on memory region

    基本塊的組織根據gba不同區域內存的大小與訪問方式,分析對運行效率有較大影響操作,提出根據訪問區域和操作優化過的基本塊組織演算法。
  17. With the development of doping technology, the formation of the base region in high - voltage transistor can be made by b diffusion technology, b - a1 paste - layer diffusion technology, close - tube ga - diffusion technology and open - tube gallium - diffusion technology

    隨著摻雜工藝的不斷發展,高反壓晶體管基區的形成經歷了擴硼工藝、硼鋁塗層擴散工藝、閉管擴鎵工藝到開管擴鎵工藝的發展。
  18. At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency

    在平面工藝初期,由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配, sio _ 2對其又有良好的掩蔽作用,早被選為npn硅平面器件的理想基區擴散源,但b在硅中的固溶度大( 1000時達到5 10 ~ ( 20 ) ,擴散系數小, b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈,導致器件不能滿足高反壓的要求,隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝,前者會引起較大的基區偏差,雜質在硅內存在突變區域,導致放大系數分散嚴重,下降時間t _ f值較高,熱穩定性差;後者需要難度較大的真空封管技術,工藝重復性差,報廢率高,在擴散質量、生產效率諸方面均不能令人滿意。
  19. Thirdly, the structure of ejecting in the base region with unmatched pressure ( sebup ) is introduced. the sebup can produce a high average pressure in the laser chamber, while the low pressure which is needed by the active medium is set up locally too. the steady flowfields and the unsteady flowfields in start - up course of sebup are also simulated with cfd method, and the experiment of sebup is made. the

    在本文最後,根據以上研究的結果,提出了「基區非匹配壓力引射結構」 。這一結構的特點是,它能夠在提高光學諧振腔的平均靜壓力的同時,建立出有利於出光的局部低壓區。本文用cfd技術對它的穩態和啟動的瞬態流場進行了模擬,並實施了實驗。
  20. Secondly, the cfd method is used to study the flowfields in the laser chamber and the loss of the total pressure in several types of nozzles. the answer shows that reducing the length of the nozzles and the high of the throats in the nozzles can reducing the loss of the total pressure. and the answer also shows that the small nozzles with helium injected in the base region are good for laser chamber pressure recovery

    其次,本文利用cfd技術模擬了光腔流場,研究了幾種噴管的總壓損失特性。研究結果表明,對于平面對稱噴管,減小噴管長度,增加喉道高度有利於減少總壓的損失。用cfd技術對光腔段的模擬表明,採用小尺寸噴管,並且在基區大量注入氦氣有利於激光器壓力恢復。
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