覆層線 的英文怎麼說

中文拼音 [céngxiàn]
覆層線 英文
covered wire
  • : 動詞1. [書面語] (蓋住) cover 2. [書面語] (底朝上翻過來; 歪倒) overturn; upset 3. 同 「復」 (Ⅱ1. 2. )
  • : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫性儲集的類型識別、孔滲特徵的測井地質解釋以及儲裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲測井地質解釋與評價的現狀,在綜合分析當前國內外儲裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲段測井曲分維d _ ( fa )與m指數的理論推導,根據裂縫性儲測井曲形態分維值的地球物理意義? ?曲變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲網格蓋法,編程計算了裂縫性儲段常規測井曲(如聲波和電阻率曲)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲的類型識別。
  2. 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(有效土厚度、有機質厚度、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。
  3. The analysis results show that both the nanowires without wrapping layers and the center thinner nanowires of the coaxial nanocable with wrapping layers are cubic structure p - sic single crystalline, whereas the outside wrapping layer of the coaxial nanocable is an amorphous sio2

    結果分析表明:不帶包和帶有包的芯部的納米均為立方結構- sic單晶,而外包為非晶sio _ 2 。
  4. Accelerated test methods for light fastness of coloured anodic oxide coatings on aluminium and aluminium alloys - part 2 : test for light fastness to ultra - violet light

    鋁及鋁合金的著色陽極氧化耐光度的加速試驗方法.第2部分:耐紫外光牢度試驗
  5. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件,我們對加了這種新的結構並且基底鉆孔的復合結構電磁(光子)晶體貼片天的性能進行了研究,結果證明加了這種新的電磁晶體結構以後,天的波束收攏很多,並且向前輻射的增益大大提高,與普通天相比,天的e面和h面方向圖上向前輻射的增益均提高了約6db ,另外,該復合結構天的方向性系數達到了11 . 5浙江大學博士學位論文db ,與該物理尺寸天的方向性系數的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁晶體的相應差值減少了約4 . 1db ,比qiu等人設計的電磁晶體天的相應差值減少了約1
  6. The nanowire is solid and the periphery is very clean without any coating of amorphous material. the - sic nanowires axes lie along the < 111 > direction and possess a high density of planar defects

    納米是實心的並且表面清晰不帶有任何包,其軸方向是< 111 >方向,並且在納米內部有高密度面缺陷。
  7. Its effectiveness is also exhibited in the patch antenna with a perfect magnetic conductor ( pmc ) substrate and a pbg cover. 3

    這種光子晶體的有效性也在具有理想磁導體( pmc )基底與pbg的貼片天中得到了展現。
  8. Metallic and non - metallic coatings - measurement of thickness - beta backscatter method

    金屬和非金屬.厚度測量.射背散射法
  9. The research of patch antennas based on photonic - bandgap ( pbg ) structures is a relatively new area. the goal is to improve the performance of the patch antennas by using the special features of pbg structures. though some good research results have been obtained by scientists in the world, there still exit some problems to be solved for improving the performaces and reducing the size, weight and cost

    雖然國內外已經在基底鉆孔型、地面腐蝕型、高阻抗表面型、 uc - pbg型、型和軟表面型電磁(光子)晶體貼片天等方面開展了研究,但是在這些研究中還遺留著多方面的問題有待解決,以顯著改善天的性能指標,減少天的體積,重量,降低天的加工費用等。
  10. Materials for printed boards and other interconnecting structures - part 2 - 19 : reinforced base materials, clad and unclad - epoxide cross - plied linear fibreglass - reinforced laminated sheets of defined flammability vertical burning test, copper clad

    印製板和其它互連結構用材料.第2 - 19部分:包和不包增強基材.規定易燃性的環氧交叉簾布性纖維玻璃增強包銅壓板
  11. Based on these achievements and considered the high - property of powder al - alloy, the dissertation tried to make high strength, low density powder wires and powder cladding products with metallurgical interface. these products were expected to obtain commercial using before long

    論文力圖在此基礎上結合粉末鋁基復合材料的優良性能,制備出高強輕質的粉末導和界面結合強度高、表面質量好兼而具備鋁基復合材料各項優異性能的,以期獲得工業性應用。
  12. In the year we launched the paper laminate product line for double - side applications and continuously strengthened the offerings of glass epoxy laminate for multi - layer applications

    集團在年度內推出了雙面路板用的紙銅面板產品系列,並且繼續強化應用在多路板上的玻璃纖維銅面板產品的供應。
  13. Standard test method for measurement of coating thickness by x - ray spectrometry

    用x射光度法測定厚度的標準試驗方法
  14. In the dissertation, we introduce three types of mpbg resonant antennas, the patch antenna with a new pbg cover, the patch antenna with a new pmc substrate, the patch antenna with a pmc substrate and a pbg cover, the antenna with a meta - material cover

    本論文發展了三種光子晶體共振天、新型pbg貼片天、新型pmc基底貼片天、具有pmc基底和pbg的新型貼片天、異向介質新型貼片天
  15. Coil coated metals - test methods - resistance to fluorescent uv light and water condensation

    卷材金屬.試驗方法.耐熒光紫外光和水冷凝
  16. Standard test methods for copper - clad thermosetting laminates for printed wiring boards

    印刷路板用銅熱固壓材料的標準試驗方法
  17. Standard test method for measurement of coating thickness by the beta backscatter method

    用射反向散射法測定厚度的標準試驗方法
  18. Standard practice for quality systems for conducting in situ measurements of lead content in paint or other coatings using field - portable x - ray fluorescence devices

    用野外便攜式x射熒光設備現場測量塗料或其它中鉛含量用質量系統的標準規程
  19. Its band structure is analyzed. after the working frequency is selected, the meta - material cover increases the patch antenna ' s directivity by 9. 14db

    在選定的工作頻率,異向介質將貼片天的方向性系數提高了9 . 14db 。
  20. Combining this pmc structure with the pbg cover maintained above, a new patch antenna with a pmc substrate and a pbg cover has been introduced for the first time. such a structure can increase the directivity more effectively ( the directivity is increased by 7. 3db ). 4

    結合這種pmc結構和第2點中提到的pbg,首次設計出了具有pmc基底與pbg的新型貼片天,對方向性改進效果更加顯著(將貼片天的方向性系數提高了7 . 3db ) 。
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