section thickness 中文意思是什麼

section thickness 解釋
截面厚度
  • 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...
  • 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. Wherethe long bridge deck within 0. 5 l amidships is regarded as strengthdeck, the midship section modulus and minimum thickness of the deckplating comply with the requirements of 2. 2. 1 and 2. 4. 2. l of this ischapter

    例1 :在船中部0 . 5l區域內的長橋樓甲板作為強力甲板時,其船中剖面模數及最小厚度應滿足本章2 . 2 . 1及2 . 4 . 2 . 1的要求。
  3. From the analysis, some suggestion about joint rigidity design is put forward : 1. joint initial rigidity can be enhanced within the limited range when to increase end - plate thickness ; 2. the rigidity and ultimate moment can be enhanced obviously when to adopt the beam with inclined section or to add axilla at the connections between beam and column ; 3. withm the permissive construction condition, exteriorly extended end - plate inclinedly placed is suggested to be applied firstly ; 4. when the rate of joint rigidity to beam rigidity, that is called, is less than 0. 1, the joints can be regarded as zero - rigidity joints ; on the other hand, if is more than 26, it is rigid connection joints

    採用斜截面梁並在樑柱交接處局部加腋能明顯提高節點剛度和梁的抗彎能力; 3在允許的施工條件下,應優先採用外伸式端板斜放節點,有利於提高節點剛度,進而提高節點的抗彎能力; 4節點剛度與其連接構件的剛度比值0 . 1時,可按鉸接節點設計; 26時,可按剛接節點設計。
  4. Some crack extension probably developed from the unfused section of the butt weld across the thickness of the stiffener during transport and erection.

    有些裂紋可能在運輸和安裝過程中就從加勁肋對接焊未熔透處開始發展。
  5. 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。
  6. The methods - three dimension fabric - enforced laminates, and sparse fabric - enforced laminates, layer - enforced laminates ? to enhance the interlaminar toughness of fabric - reinforced laminates were discussed in this paper. the stitching method to enhance interlaminar toughness of stitched - laminates was mainly discussed in this paper based on our research and experiment. the middle - alkali glass fabric used as enforced - material with thickness of 0. 2mm, 3 section 600 deniner kevlar yarn is used as stitching thread in this research, which improved lock stitching way and different kinds of stitching mode were adopted

    以提高層合板復合材料的層間斷裂韌性(能量釋放率)為目標,採用中堿玻璃布為增強材料,對疊層后的玻璃布,採用凱芙拉縫合線、改進的鎖型縫合方法、不同的縫合工藝進行了縫合;基體採用的是不飽和樹脂,固化劑為過氧化甲乙酮,促進劑為環烷酸鈷液;在室溫下採用真空輔助rtm ( resigntransfermolding )成型固化方法,製作了不同縫合工藝的玻璃布增強復合材料層合板。
  7. From studies of these characteristics of structures, palaeontology, drilling, well logging, seismic profile, salt chemistry and lacustrine sedimentary system, it is recognized that the new characteristics occur in of section pukou and in huaiyiri sag, and the huge thickness of salt rocks is formed by the crust salt materials upwelling along deep fracture in the form of hot bittern and entering lacustrine basin in this area

    通過該區構造、古生物、鉆井、測井、地震、鹽巖化學及湖盆內沉積體系等特徵的研究,認為淮陰凹陷浦口組二段和三段的沉積構造有其特殊性,巨厚的鹽巖層是殼深部鹽類物質沿深大斷裂上涌以熱鹵水形式進入湖盆的結果。
  8. The thickness of yangzhuang formation is small compared with the whole proterozoic section, but it has multiple types of rocks with special origins

    楊莊組在整個中、新元古界剖面中厚度不大,但其巖石類型多樣且成因特殊。
  9. 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。
  10. The puddle section for heavy duty batteries must be at least the thickness of the base of the poststrap.

    重型汽車蓄電池極柱焊接部位至少要等於極柱底座的厚度。
  11. With the fea software ansys and shell element which has high - precision, this dissertation optimize the size and thickness of skeleton section and seek steel pipe which still have strength and stiffness surplus under static state working condition : sinkage of 240mm of rear wheel. it ' s fully loaded in the state of static bending and torsion. after that, amelioration is achieved for even strength design

    本課題運用ansys有限元分析軟體,並且使用精度較高的shell殼單元作為建模單元,在靜態條件下,通過對左右後輪下沉240mm的彎扭聯合工況的模擬分析,尋找出骨架中存在強度和剛度富裕的構件,使之達到輕量化改進的目的。
  12. Because the cross - section of the oversized rib waveguide we fabricated by wet - etching was trapeziform, we analyzed the transmission of oversized rib waveguide by combining effective refractive - index method. the influence of some factors on the optical transmission loss, such as material structure, the height of rib waveguide, and the thickness and refractive index of waveguide layer and up - layer of polymer material, was analyzed

    因為濕法腐蝕工藝製作的反脊波導橫截面是梯形狀的,因此論文中採用了一種簡單有效的方法,即有效折射率法,對梯形反脊波導的光傳輸損耗特性進行了分析,同時考慮金屬電極產生熱場對脊波導傳播特性的影響。
  13. With the superimpose model, the formula of the stress calculation of the elbows with elliptic section and nonuniform thickness was proposed in this paper. the formula is versified by the experiment of two elbows

    利用疊加模型,提出橢圓截面變厚度彎管承受內壓時的應力計算力學模型,並通過兩支彎管的實驗得到驗證。
  14. Through the analysis of hydrological yeologys features by analyzing the gielding water of mining section, the critical value of waterhead, the critical thickness of water - resisting layer and othr hydrological geology factors concerned, the researches on the feasibility of the extraction of eastern mine area liyi mine at - 660m under ground with the menance of high - level limestone water have been done

    主要通過水文地質特徵分析,從采區涌水量、臨界水頭值及臨界隔水層厚度及相關的水文地質因素對李一礦- 660m水平東翼采區在高水位灰巖水威脅下開採的可行性進行了研究。
  15. The results show that the frame of the grid fin has the greatest effect on the grid fin drag characteristics, reducing the drag levels and enhancing the lift - drag ratio for grid fin may be obtained by selecting appropriate frame cross - section shape and thickness of grid fin

    計算結果顯示,格柵翼的幾何結構參數對格柵翼的氣動力特性影響很大,格柵翼的邊框剖面形狀和厚度對格柵翼的阻力影響最大,所以選擇合適的邊框厚度和剖面形狀可以有效地減少格柵翼的阻力,提高陞阻比。
  16. Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given

    然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述,總結出邊界層厚度與設定風速、實驗段深度的關系,然後給出模型中心區一定風速下校正數值。
  17. Failure of cast aluminiuin alloy box was analysed by metallographic and fractographic analysis, and cast defect anti variation of cross section thickness were identified as main causes of failure

    通過金相及電鏡斷口分析,確定箱體失效系鑄造缺陷和幾何截面差過大所致。
  18. According to numerical simulation and molten steel solidification mechanism, in the paper, the restrict relationship had been setup between casting speed and molten steel level and average mould tapping section thickness as well as its shell temperature at tapping spout

    本文基於數值模擬和鋼液凝固機理,建立起結晶器內鋼液液位和鑄坯拉速對其出鋼口處鋼液截面平均溫度和坯殼溫度的制約關系。
  19. A program with c + + language was designed to calculate ultimate load of the reinforced concrete masonry shear wall structure. the reliability of the program was proved by comparing the program results with experimental results. ( 2 ) using the program, impact to the shear resistant of the ratio of grout for concrete and the ratio of height to section thickness and the horizontal reinforcement ratio was discussed

    ( 2 )利用本文編制的程序,討論不同的高寬比、灌芯率和水平配筋率對配筋砌塊砌體剪力墻抗剪承載力的影響,並驗證了《砌體規范》 ( gb50003 - 2001 )規定允許高寬比和允許配筋率范圍。
  20. The limited range ordinate by the code for design of masonry structures was validated. ( 3 ) using the program, impact to the compressive strength of ratio of grout for concrete and ratio of height to section thickness to the compressive strength was discussed. a new formula was advanced in this article

    ( 3 )利用本文編制的程序,採用回歸分析方法討論配筋砌塊砌體剪力墻中灌芯率和灌芯混凝土強度對其抗壓強度的影響,並提出了本文建議的配筋砌塊砌體剪力墻抗壓強度的計算公式。
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