長方孔的 的英文怎麼說
中文拼音 [zhǎngfāngkǒngde]
長方孔的
英文
slotted-
The house consists of three rows of houses arranged to form a rectangle. all the houses are interlinked by passages and small courtyards. embrasures and loopholes were arranged orderly on the fortified walls and defensive towers were built at the four corners to ward off enemies
曾大屋呈長方形,共三進。屋與屋之間有通道及天井相連;圍墻上有排列整齊之槍孔及瞭望孔,圍墻的四角有更樓和炮樓,用以防禦外敵入侵。There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared
實驗研究的兩種菊科( compositae )植物(準噶爾沙蒿( artemisiasongaricaschrenk )和沙漠絹蒿( seriphidiumsantolinum ( schrenk ) poljak . ) ) ,形態解剖方面的變化表現為:隨日齡增加,根長/株高比值日益增大;根系逐漸發達;體積與葉面積比逐漸增大;表皮細胞體積變小;角質層增厚;根外部出現加厚的木栓層;氣孔下陷;葉、莖部的表皮毛密布,柵欄組織日益發達;而細胞間隙日漸變小;海綿組織逐漸消失;葉面結構常為典型旱生結構? ?等葉面;晶細胞及纖維細胞數目增多;輸導組織、機械組織日漸發達;具有維管束鞘等等。Sieve diameter is the length of the side of a square sieve opening through which the given particle will just pass.
「篩析粒徑」是指一個四方篩孔的邊長,某已知的顆粒將恰好通過這篩孔。Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials , work - piece materials , amplitude , machining load , slurry concentration , tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg
文摘:通過以wedg放電加工手段製作微細超聲加工用工具,在採用工件加振方式的微細超聲加工機上對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工的實驗,來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜載荷、磨料懸浮液濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗率的影響,為微細超聲加工技術的實用化提供參考依據。The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected
用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。And more aperture extension is achieved in this novel esprit - based two - dimensional angle estimatio n scheme using a uniform rectangular array of vector hydrophones spaced much farther apart than a half - wavelength. this proposed scheme and the attendant vector - hydrophone array outperform a uniform half - wavelength spaced pressure hydrophone array with the same aperture and slightly greater number of component hydrophones by an order of magnitude in estimation standard deviation
結合實際的應用情況,對矢量水聽器構成的陣列進行了初步的探討,利用本文前面部分所分析的基於單矢量水聽器的方法,實現了陣元間距突破半波長上限的局限,並解決了角度估計的循環模糊問題,以較小的硬體代價和運算代價實現陣列孔徑的擴展,提高估計精度。The dispersibility as well as seepage distortion and salt transference under long - term seepage condition of soil samples obtained from the clay core wall in xijiao and sanping reservoirs were studied by physical and chemical properties of soil and composition of clay mineral and the tests for identification of dispersive clay soils which included double - hydrometer test, pinhole test, crumb test, tests to defermine salt content of pore water and percentage of exchangeable sodium
摘要應用碎塊、針孔、雙比重計、孔隙水可溶鹽和交換性鈉百分比等五種試驗方法,結合物理化學性質和礦物成分分析,對西郊、三坪兩水庫大壩心墻土樣進行了多種方案的分散性試驗及長期滲流條件下的滲透變形試驗和鹽分運移試驗。A void growth equation is derived for elastic - plastic deformation process by means of representative volume element ( rve )
摘要採用體胞模型的分析方法推導了材料在彈塑性變形階段的孔洞增長方程。Strong rectangular frame fixed by screws, an inset hole every 25cm to fix the slotting auger, guard board, bunches of cables and circuit diagram sidekicks, etc
堅固的用螺絲固定的長方框,每隔25毫米有一個嵌孔,用來固定槽溝、護板、電纜束及線路圖插袋等。( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6
( 3 )通過對空氣介質中簡易地下滴灌的微孔毛管試驗研究發現: 60m管長的毛管平均壓力水頭的位置基本上在距第一孔口的有效管長40 - 45的地方;大部分水頭損失發生在毛管的前半部分;壓力均勻度隨孔徑的增大而減小,但與初始工作水頭關系不密切;在1 . 5m以下的工作壓力下運行,沿程出流均勻度隨孔徑的增大而降低,當孔徑不大於1 . 0mm時,灌水均勻度可以達到60以上;當孔徑大於等於1 . 2mm時,灌水均勻度低於50 。Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。New method for machining long tapered holes with center lathe
一種用普通車床加工長錐孔的新方法Extraction of large - fragment genomic dna in order to gain dna template of pcr amplification ( long pcr amplification and salvage pcr amplification ) which was high purity and large fragment, three methods were used to extract genomic dna of bacillus subtilis, i. e. low melting - point agarose embedding method, sds - proteinase k - phenol chloroform extraction method and bacterial genomic dna extraction kit method. the genomic dna of bacillus subtilis were gained by these methods, and the operated programs of the methods were improved. the results showed that the genomic dna extracted by low melting - point agarose embedding method were obviously biggest than that of another two methods
大片段基因組dna的提取為了獲得用於pcr擴增(長距離pcr擴增和分段pcr擴增)的高純度、大片段(至少為pcr產物長度的4倍)的dna模板,應用三種方法:低熔點瓊脂糖包埋法, sds -蛋白酶k -酚氯仿抽提法和細菌基因組dna提取試劑盒法,分別提取獲得了枯草桿菌基因組dna ,並對3種方法的操作程序進行了不同程度的改進,結果表明:低熔點瓊脂糖包埋法提取的基因組dna片段明顯大於后兩種方法,採用0 . 5瓊脂糖凝膠電泳3h ,仍然跑不出加樣孔。A small, usually rectangular board, used as a game of chance, that contains many holes each filled with a folded slip of paper that when punched out indicates a designated prize, win, or loss
抽彩盤一種用作賭具盤的通常呈長方形的小盤子,同分佈有許多小孔,每個小孔中放有折疊在一起的紙條,紙條被抽出后表明預先指定的價錢、勝利或失敗On the basis of research available and through seven aspects : the family structure, vocational structure, the structure of the mode of life, psychological and cultural structure, income structure, organization structure and social identity, the thesis reflects the process of urbanization in the community between rural and urban areas, especially demonstrates the unique characteristics of urbanization in the community between rural and urban areas of the east of china by taking shui village and kong village in anning district lanzhou city of gansu province as the example and using the advantage of multiple subjects such as sociology, anthropology, economics, etc. the transition of the community between rural and urban areas is their imitation and incorporation into the urbanization, and the effect of their spread and radioaction
本研究在已有研究的基礎上,應用社會學、人類學、經濟學等學科的綜合研究的優勢,以蘭州安寧區水村和孔村為例,通過對兩村家庭結構、職業結構、生活方式結構、心理文化結構、收入結構、組織結構和身份認同等七個方面的實證研究,反映了城鄉結合部的城市化進程,特別是反映了中國西部內地城市化進程獨特的特點。城鄉結合部轉型過程是城鄉結合部自身模仿、融入城市以及城市的擴散輻射效應嵌入的過程;城鄉結合部是許多矛盾、困惑及經驗反映最集中的場所;同時是將漫長的城市化進程濃縮在一個短期內進行的相對較小的區域。Method for machining small diameter and deep hole
細長深孔加工的解決方案According to the study on the resolution of the equipment for coal ore dressing based on the transmission of bi - energy - rays for a long time, it was provided that the resolution could be improved by selecting the mathem atical model, discerning mode, and the width of high and low energy windows
摘要通過較長時間的實驗研究,指出處理數據的數學模型,判斷結果的識別模式,採集信號通道窗孔的設定是設備儀表系統關繫到設備分選率的幾個主要方面,只要綜合考慮源強,儀器的溫度漂移特性,適當選擇數學模型、識別模式和窗口位置及寬度,可以大大增強判斷的準確性,提高分選率。Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils
通過多種技術方案比較,最終選擇了技術先進的砂墊層預抬高分級充水預壓法,論文工作主要由以下兩部分組成: ( 1 )砂墊層預抬高分級充水預壓法的適用性研究,其中包括砂墊層厚度、地基沉降與固結度、地基穩定性、降水、地震作用下砂土液化的可能性等方面的計算分析; ( 2 )施工監測與地基處理效果檢驗,其中包括油罐環梁基礎沉降速率與不均勻沉降程度、各分級充水加載階段地基超靜孔壓與深層水平位移、油罐底板壓力分佈及地基土強度增長等方面的實測與數據分析。In this paper, technology for water injection by long bore hole in fully mechanized mining face was studied, relevant experience and some parameter were acquired, which provide a reference for using this method in similar faces
以鄭州礦區典型的「三軟」煤層綜放工作面為對象,試驗研究了長鉆孔注水防塵技術,取得了「三軟」煤層長鉆孔注水經驗和參數,為鄭州礦區類似條件的工作面推廣該方法提供了參考。Abstract : in this paper, technology for water injection by long bore hole in fully mechanized mining face was studied, relevant experience and some parameter were acquired, which provide a reference for using this method in similar faces
文摘:以鄭州礦區典型的「三軟」煤層綜放工作面為對象,試驗研究了長鉆孔注水防塵技術,取得了「三軟」煤層長鉆孔注水經驗和參數,為鄭州礦區類似條件的工作面推廣該方法提供了參考。分享友人