field section 中文意思是什麼

field section 解釋
欄位段
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • section : n 1 (外科、解剖的)切斷;切割;切開。2 【外科】切片,【金相】磨石。3 (果子的)瓣。4 【數學】截...
  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. This thesis tries to solve the problems in the design and construction of jinping cascade 2 hydropower station. a typical section is selected to analysis seepage, seepage control and fem numerical simulation. the influence of different plans of excavation and support on seepage field of subsurface water and stability of adjoining rock are studied. the homologous support pattern is suggested according to the research results

    本文就錦屏二級水電站(一期)深埋長隧洞的設計和施工中面臨的一些問題,選取隧洞的一個典型斷面進行滲流、滲控分析和開挖及支護的有限元數值模擬,從而就深埋隧洞不同的開挖及支護方式對地下水滲流場及圍巖穩定性的影響和所應採取的支護措施等方面進行了探索、研究。
  3. The following are the large projects undertaking by haifeng company : crude oil electricity plant project of north china oil field hydroelectricity factory, apartment ( 22 stories ) of yuanda real estate company of dalian shipping group, helios hotel of helios group in dalian development zone, tilt aqueduct bridge of shanxi hongqi reservoir ( total span : 267m ), supply and sale building and city construction building ( both are antique architectures ) of shanxi heyang city, sea drainage pipe of hainan fudao fertilizer factory ( 1520 ), 8 oilgas docks of hainan haiyan oilgas company, basha condensable gas transfer station of haiyan company, 10, 000m3 oilgas storage tank of arco company ( usa ) in hainan nanshan, gas pipe and fuel gas installation project of hainan nanshan electricity co., ltd, base and accessory project of hainan gas company, bei da huang cereal and oil market in harerbin, hainan cross island pipe, changhuajiang river pipe crossing project, taihangshan mountain earthwork project ( the 19th section of west - to - east gas transmission project )

    海南海峰公司承建大的工程項目:華北油田水電廠原油發電站工程;大連船泊集團遠達地產公司的遠達公寓( 22層) ;大連開發區香港太陽神集團的太陽神大酒店;陜西紅旗水庫斜拉渡槽工程(全跨267m ) ;陜西合陽供銷大樓及城建大樓(均為仿古) ;海南富島化肥廠排海管線( 1520 ) ;海南海燕油氣公司八所油氣碼頭;海燕公司白沙液化氣中轉站;海南南山美國阿科公司儲油氣萬立米大罐工程;海南南山電力股份有限公司天然氣管線及燃氣安裝工程;海南南海天然氣有限公司基地及配套工程;哈爾濱北大荒糧油批發市場;海南環島管線;昌化江穿越工程;西氣東輸十九標段,太行山土石方工程。
  4. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫度的影響;然後對影響整個流場分佈的各種因素:包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬;最後提出在分流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場分佈,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈,以論證加裝導流板能達到流場均勻化的作用。
  5. Moreover, aiming at the location of inclined license plate, we have proposed the algorithm based on gray changing characteristic and orientation field. in this section, we discussed in detail the application of mathematical morphology operator in rough locating objective region and introduced the theory and realization method of orientation field. then we used it to detect inclined angel of objective region, finally we can precisely locate and emendate the inclined license plate based on detection result, and so we provided the favorable foundation for segmenting character

    此外針對傾斜車牌區域的定位分割問題,提出了基於灰度變化特性和方向場計算的定位演算法,其中詳細討論了數學形態學運算元在目標區域粗定位中的應用,重點介紹了方向場計算理論和實現方法,並將其應用於目標區域傾斜角度的檢測,根據檢測得到的結果進行了傾斜車牌區域的準確定位和校正,為后續的字元分割打下良好的基礎。
  6. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上,根據圓錐形、楔形陰極真空微電子三極體的不同特點,分別建立了物理和數學模型,在考慮空間電荷密度影響的前提下,以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況,繪制出了等勢線、電子軌跡線,並得到了器件電學性能隨幾何參數的變化情況。
  7. In the third section, the asymptotic equipartition property ( aep ) of second order markov chain field on a class of tree is studied by using the analytic approach. a net is constructed on a product space, then some strong laws of large numbers of second order markov chain field are proved by using the differentiation of measure on a net. furthermore, shannon - mcmillan theorem is extended to the case of second order markov chain field

    本文的第三章是用分析的方法研究一類樹上的二重馬氏鏈場的漸進均分割性,為此先構造了一個乘積空間上的網,然後利用網微分法證明了一些二重馬氏鏈場上的大數定律,並將shannon - mcmillan定理推廣到二重馬氏鏈場上。
  8. Dividing the main body of this article into three sections, i mainly discuss the economical life span of the equipment of oil field ground in the first section, and heavy repair in the second section

    並依據課題研究的特點,將文章的主體分為三大部分,即關于油田地面工程設備經濟壽命、大修理和設備更新的經濟評價方法研究三部分。
  9. This paper has studied the development of setting & model of the overthrust, which is distributed over the plane & section, and its belting character in the northern margin region of chaidamu basin, and described the character of the main overthrust sheet belt and lower strain area in great details. moreover, it has pointed out a best target for oil / gas exploration on the imbricate fan belt and hidden overthrust forward belt through surveying the developing evolution model and its formation mechanism of the overthrust in the field and structure inversion indoor 6figs., 8refs

    研究了柴北緣地區逆沖推覆構造的發育背景、發育模式,平面、剖面展布特徵及其分帶性,並對主幹逆沖斷裂帶及其間的推覆體帶、逆沖席帶和低應變區的特徵進行了詳細描述,同時通過野外觀察和室內構造反演來研究推覆構造的發展演變模式及其形成機理,指出其逆沖疊瓦扇帶和隱伏逆沖前緣帶是最有利的油氣勘探目標.圖6 ,參8
  10. From the model study of the fractal random rough surface, we acquire one dimensional ? two dimensional fractal random rough surface model with fractal theory ; 2. the calculation of the scattering field of light ; the establishment of the scattering light ’ intensity model, and the number calculation of the intensity distribute ; 3. the study on the laser radar cross section of one - dimensional fractal rough surface target ; and the number calculation of the scattering intensity of two - dimensional fractal the rough surface target ; 4. through shadowing effect, we analysis light scattering characteristic of fractal rough surface

    本論文利用分形理論得到一維?二維分形隨機粗糙表面模型,研究光在一維?二維分形粗糙表面的光散射特性,主要從以下四個方面分析: 1 .自仿射分形隨機粗糙表面模型探討,採用分形理論得到一維?二維分形隨機粗糙表面模型; 2 .分形粗糙表面散射光場的計算和粗糙表面散射光強角分佈的模型建立和數值計算; 3 .一維分形粗糙表面目標的激光雷達後向散射截面lrcs研究和二維分形粗糙表面目標散射強度數值計算; 4 .引入遮蔽效應分析分形粗糙表面光散射特性。
  11. On the basis of experimental research, this thesis applies 2 - dimensional non - linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. when the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. the computing results are in good agreement with the test data

    在試驗研究的基礎上,本文採用精度較高的三角形六結點單元對構件截面二維非線性瞬態溫度場進行了有限元分析,即在空間域內採用有限元網格劃分,在時間域內採用有限差分網格劃分,據此編制了計算程序,計算結果與試驗數據符合較好,程序穩定性好,精度滿足要求。
  12. In final section of this paper, the flow field of two types of supersonic nozzle for scramjet is simulated and analyzed

    最後,本文針對兩種構型的超音速尾噴管,對其流場進行了計算和分析。
  13. On this basis, puts forward a kind of scheme and idea of displacement ventilation using in high - speed railway air - conditioned car, makes numerical simulation on the flow field of the car and calculates the pmv value of the typical section

    在此基礎上,提出了下送風用於高速列車空調的一種方案和構想,並對設計方案的流場進行了數值模擬與典型斷面的pmv值計算。
  14. In june 1998, a senior government counsel from the department of justice conducted a series of seminars and workshops for officers of the field audit group, the investigation unit and the appeals section. in addition, tax inspectors with duties, which include attending court hearings also, participated in the course. the main objective of the course was to provide the 100 participants with legal training, particularly in respect of evidential matters

    為增強職員的法律知識,特別是關于證據方面的問題,本局在1998年6月邀請了律政司的一名高級政府律師為實地審查組、調查科和上訴組人員,以及需要出席法院聆訊的稅務督察舉辦研習課程,共有100名人員參加。
  15. ( 2 ) taking the geology analysis as main way and combining the pre - test, predicating the tunnel ' s main geology condition ( rock quality, surrounding rock classification, long - wide joint, fault, ground water, crustal stress ), and predicating the main potential disaster ( collapse, breaking water, rockburst, large deformation ) ( 3 ) employing the stress test result and inverse analysis of the stress field, finding out the crustal stress " s distributing rule along the tunnel axes section : the highest crustal stress is 24mpa near the deepest spot, and predicting that the k2 + 260 ~ k3 + 000 likely to be the high crustal stress segment for this tunnel

    通過地質分析、類比分析、監控量測、數值模擬、神經網路等方法,對鷓鴣山隧道潛在的主要地質災害(塌方、涌水、巖爆和大變形)進行了預測預報( 3 )在現場地應力測試成果的基礎上,運用數值計算進行應力場反演,基本查明了沿隧道軸線剖面的地應力分佈規律:地應力量級在最大埋深附近達到最大值24mpa ,並預測k2 + 260 k3 + 000段將很可能成為鷓鴣山隧道的高地應力段。 ( 4 )塌方往往與斷層破碎帶及千枚巖相聯系。
  16. Based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。
  17. Abstract : based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    文摘:基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。
  18. Combining with the research task researching on the deformation and stability of deep excavated cuts and high filled embankment of the traffic department in fujian province, based on the residual soil slope project on the project site at k15 + 183 of yong - zhang highway ( yong ' an section ), adopting non - linear theory, modern monitoring technology and numerical simulation technology, the deformation and stability of cutting cliff debris and residual soil slopes have been studied systemically and synthetically in the thesis. at the same time theory analysis, the analysis and estimate of field monitoring are taken into account in this course. main research work and working achievement are summed up as follows : ( 1 ) with the acquaintance of the trends and development about the deformation and stability of slopes at home and abroad, slopes are classified and summarized systemically

    並通過k15 + 183工點路塹土質邊坡的各類位移變形的監測成果驗證了該程序的正確性及適用性; ( 5 )通過應用大型有限元軟體ansys模擬分析,不僅分析了其隨著開挖時間步的應力應變關系,並模擬了與實際測斜管相匹配的測斜路徑,通過對各開挖時間步的模擬計算分析,得到了與實測數據較符合的結果; ( 6 )綜合監測分析成果和極限平衡理論計算分析成果,對k15 + 183工點路塹邊坡的原設計坡率和幾何形態進行了優化計算分析,取得了較為滿意的結果。
  19. And combining with compound analysis, this thesis has calculated and estimated the deformation and stability of slopes of the cliff debris and residual soil slope project on the project site at k15 + 183 of yong ' an section of yong - zhang highway ; ( 3 ) in the course of the cut slope excavation inner displacement has been in control of real time field monitoring

    同時邊坡開挖後期坡頂會出現回彈現象。 3 、數值計算成果表明,隨著開挖階數的增加,大小主應力在邊坡內也進行不斷的調整。邊坡開挖后坡腳處大小主應力值nlfep程序結果與ansys計算結果較為相似,兩者吻合性較好。
  20. The second part tries to choose the nine points to discuss and expound the difficult problems and disputes of appropriating public funds crime about crime corpus, subjective and objective important items and common crime. . etc in the penal code theories field and judicial situation section. 1

    主體內容的第二部分主要是針對當前挪用公款犯罪在刑法理論界、司法實務部門中關于犯罪主體、主客觀要件、共同犯罪等方面存在的諸多有爭議的疑難問題,擇其九個重點。
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