characteristic thickness 中文意思是什麼

characteristic thickness 解釋
特性厚度
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  • thickness : n 1 厚;粗;厚度;粗大。2 濃度,濃厚,黏稠。3 密度;稠密。4 模糊不清,多煙霧,混濁。5 愚笨;遲鈍...
  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 paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  3. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  4. Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits

    最後,綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料,得出如下結論:本區上地幔的物質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖;與中國東部以及華北地臺上地幔相比,研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵,局部熔融程度較高;上地幔存在橫向和縱向的不均一性,從西部的克里陽到喀拉喀什河和玉龍喀什河流域, al和lree富集程度呈下降趨勢,不同來源的相同礦物中主元素的含量差異較大;地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用;玄武巖漿的起源深度73km ;從幔源重砂礦物的溫壓估算結果,可以推斷出巖石圈厚度可達204 . 9km ;綜合巖石圈物質組成特徵、巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦物的化學成分,認為研究區具備了金剛石成礦地幔地質條件。
  5. The article is directed by the modern structural geology, seismic stratigraphy and petroleum geology. in the study of works, geology, seismic and logging data are used. with the computer ' s ( workstation ) help, adopted many methods which are the technology of balanced section, calculation of the structural movement rate, the renewal of the erosion thickness, renewal of the ancient thickness, the protraction of the cover history curve and the " pagoda " figure, and based on the previous research achievement, this article studies the characteristic of rupture and fold, the degree of structural movement and the fashion of structural movement and brings forward that ludong area has experienced three big phases of structural evolvement

    以現代構造地質學、地震地層學和石油地質學為指導,全面利用各種地質、物探、測井資料,藉助先進的計算機(工作站) ,採用多種方法(平衡剖面技術、構造活動速率計算、剝蝕厚度恢復、古厚度恢復、埋藏史曲線製作、寶塔圖製作等) ,並結合前人的研究成果,研究了陸東地區斷裂和褶皺的特徵、構造運動的期次以及構造運動的方式,提出了陸東地區經歷了三個大的構造演化階段。
  6. 3 analyzed the pcm performances which affected by stickup layer ' s materials characteristic and its thickness under the application of fem

    三、應用有限元法分析了粘貼層的材料性質和厚度尺寸對壓電復合材料在實際應用中性能的影響規律。
  7. 3. a dimensionless parameter i. e. breaking symmetry a is defined which reflects the characteristic of molecular arrangement in non - symmetric lc cell, the expression is where d is the distance between the maximal tilt angle 0m and the below substrate, l is the thickness of lc cell

    定義了一個反映不對稱液晶盒液晶分子排列對稱性特點的無量綱量? ?對稱破缺,定義式為= ( d - l / 2 ) / ( l / 2 ) ,其中d為傾角最大值_ m距下基板的距離, l為液晶盒的厚度。
  8. About feeding thick material flush ioint machine, usee five connecting rods to be possible to adjust about thickness the compound feeding, to swollens the wseam material and dives moves the natural big especially thick material and the thin material, can enable the lower level in the tailoring process the feeding quantity to achieve consistently ; uses turns on lathe the shuttle greatly, the raduction trades the agent number of times, most major characteristic thickness dual purpose, enhances the working efficiency, uses the completely automatic lubricating arrangement, enhances the machine service life

    0388系列上下送厚料平縫機使用五連桿可調整厚薄上下復合送料,對膨體類縫料和潛移性較大特厚料和溥料,在縫紉過程中能使上下層的送料量達到一致;採用大旋梭,減少換底線次數,最大特點針線張力小;縫紉厚度能力增大,縫紉薄料性能優良。
  9. At last, the impact of the monolith length, cell density, wall thickness and noble metal dosage on the light - off characteristic and conversion efficiency of three - way catalytic converter are analyzed and could provide a guide for the optimization of three - way catalytic converter

    本文還對載體長度、孔密度、孔道壁厚和催化劑用量對催化轉化器起燃特性和轉化效率的影響進行了分析,為載體參數的優化設計提供了依據。
  10. The thesis had done the theories analysis in detail and built the relevant mathematics models aiming at the mechanics characteristic about the lodging of stalk, the elastic and plastic deform of stalk under the action of the transverse loads, the mechanics condition which causes stalk pushed, the relation between the speed of unit and the surface radius of ski, the relevant location between the thickness of the compressed stalk and action location of load, the relevant location between the mating device and plough, the coefficient of overturning soil under the thickness of the compressed stalk and so on. in addition, the computer aided analysis and simulating experiments in field were acted by choice

    本文對秸稈自倒伏力學特性;橫向載荷作用下的莖稈彈塑性變形與秸稈被推倒的力學條件;機組作業速度與滑撬曲面半徑的關系;秸稈壓實厚度與加載作用點的相對位置;配套裝置與犁體相對位置;秸稈壓實厚度下的翻垡系數等,進行了較詳細的理論分析並建立了相關數學模型。在此基礎上,本項研究還選擇性地進行了計算機輔助分析和田間模擬試驗。
  11. At the daxing resources food city, collect three dimention images of 80 lives pig, after a series of image processing, withdraw some characteristic parameters, then build up and train the bp neural network, output to back fat thickness, lean meat rate, slaughter rate and pork grade

    摘要在大興資源食品城,採集80頭活體豬的三維圖片,經過一系列的數字圖像處理后,提取出特徵參數,然後建立和訓練bp神經網路,輸出背膘厚、瘦肉率、屠宰率以及豬肉等級。
  12. Using finite element methods to carry on the numerical simulation of complex plywood, from which the impact on its inherent characteristic of change in such parameters as thickness of top layer and inserted layer and the elastic modulus and so on are analyzed

    利用有限元法對復合層板進行了數值模擬,分析了復合層板表層厚度和夾芯層的厚度、彈性模量等參數的改變對其固有特性的影響。
  13. The ordos basin is an important terrestrial basin that came into being during mesozoic in our country. the yanchang formation more than one kilometer in thickness is the main oil - bearing beds in the study area. its lithology characteristic indicated that the formation was deposited in fluvial - lacustrine environment

    鄂爾多斯盆地是我國十分重要的中生代內陸盆地,厚逾千米的上三疊統延長組是區內主要的含油巖系,其巖性特徵表現為河流-湖泊相的陸相沉積。
  14. This essay is devoted to the research of arch netfloor stilling pond ' s hydraulic property and characteristic of energy dissipation through a series of hydraulic model experiments. the parameters of arch net floor gap rate, aperture, pore shape and thickness of net floor that have influences on the hydraulic property are discussed also, and advances hydraulic design method of arch net floor stilling pond

    本文通過水力學系列模型試驗,研究了拱網消力池的水力特性和消能特性,探討了拱網開孔率、孔形、孔徑、網板厚度等各項參數對水力特性的影響,並且提出了拱網消力池的水力設計方法。
  15. Compare other kinds of diodes, thick film cd4148 is smaller, lighter and thinner. the advantage in thickness is the exclusive characteristic of the product

    更小更輕更薄,其中厚度上的優勢更是其他封裝二極體無法比擬
  16. At first, an analytical solution to one dimension consolidation of half - infinite homogeneous structural soft clay ground is derived, then analytical solution to one dimension consolidation of finite thickness homogeneous structural soft clay ground are given. in the meantime numerical solution to one dimension consolidation of layered structural soft clay ground is derived. furthermore, the calculation method of the consolidation degree of sand drains ground is given under the condition of instant loading, where soil structure characteristic is taken into the formula account

    建立了結構性軟土地基固結沉降的基本理論,獲得了半無限結構性軟土地基一維固結計算解析解,有限厚度結構性軟土地基一維固結計算解析解,成層結構性軟土地基的一維固結數值解以及考慮土結構性影響的砂井地基固結度計算方法。
  17. ( 2 ) study on the mechanics mechanism of the calamity caused by the cave of the highway : based on the investigation in detail along the line of the highway in shan - gan loess plateau, the distribution law, the classification and characteristic of hazard of highway cave are presented ; the calamity mechanism of highway cave opposite side slope and road bed is discussed, especially the mechanism of collapsing of the hidden cave in road bed. propose " the effect of hidden corrosion ", etc. 10 kinds send to mechanism of collapsing. based on the principle of limit balance, the formula of the critical treating thickness of hidden cave is put forward as follows : according to different stratum, different size and depth, the calculation of the critical thickness of the hidden cave of roadbed has been carried on

    ( 2 )公路洞穴的致災力學機理研究:在對陜甘黃土高原區公路沿線黃土洞穴詳細調查基礎上,研究了公路洞穴分佈規律、危害分類及致災特點;公路洞穴對邊坡及路基的致災機理,重點是路基暗穴致塌機理,並提出了「潛蝕效應」等十種致塌機制;利用極限平衡原理導出路基暗穴臨界處理厚度計算公式如下:針對不同地區不同地層,對不同尺寸和埋深的暗穴,進行了路基暗穴臨界處理厚度的計算。
  18. On the basis of areal geological background, the distribution pattern of sedimentary microfacies in the chang - 6 oil - bearing beds was distinguished and the palaeogeographic environment was reconstructed by the analysis of geology facies, logging facies, stratum thickness, sandstone thickness and sandstone percent and other sedimentary characteristic. the method of digital sedimentary microfacies was applied in part of the research area for the first time, and acquired the satisfying effect. the digital sedimentary microfacies realized the description of the sedimentary evolution from chang - 62 to chang - 61

    在區域沉積背景的墓礎上,結合地質相特徵與測井相分析,對地層厚度、砂體厚度以及砂地比(砂巖含量)等在平面上的分佈規律進行了綜合分析,並結合沉積序列與沉積特徵等,判別了沉積微相在平面上的分佈格局,恢復出長6油層組各沉積期的古地理環境。
  19. Through the computation of the water hammer pressure in steel and pvc pipes with the characteristic line method, the influence of velocity of water, material and wall thickness of the pipes to the magnitude, crecent process and phase length of the water hammer pressure is analyzed

    應用特徵線法,對鋼管及pvc管道中水擊進行計算,分析了管道中水流流速及管道材料、管壁厚度對管道中水擊壓強大小、水擊壓強的增長過程及其相長的影響。
  20. The same with normal metal film, fe0. 3cu0. 7 ( 500nm ) granular film have positive coefficient of temperature. the negative resistance is observed in fexcu ( 1 - x ) granular film under certain condition. this characteristic of negative resistance is weakened or changed to positive with the change of thickness of film, ratio of fe atom to cu atom, anneal, test temperature

    N ) fecu顆粒膜月一i特性研究發現,極小電流下電阻測量具有不確定性; fe cu矚00川)顆粒膜己與普通金屬薄膜一樣,具有正的溫度系數; f民c山x顆粒膜在一定條件下存在負阻現象,並且隨顆粒膜厚度、鐵銅原子比、退火條件、溫度的改變分別存在負阻特性的減弱或向正阻特性的轉變。
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