base diameter 中文意思是什麼

base diameter 解釋
底座對稱
  • base : n 1 基底,基,根基,底座;底層,底子;(紀念碑等的)基址;(山)麓。2 【軍事】基地,根據地。3 根...
  • diameter : n. 1. 直徑。2. (顯微鏡等的)放大倍數。
  1. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要成果包括以下幾個方面: ( 1 )採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段,探明了以硅灰,超細磨粒化高爐礦渣,優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比表面積等基本性質;從理論上分析了礦物功能材料在混凝土中的4種效應,即火山灰效應、填充密實效應、微集料效應、表面吸附效應,並由此發揮出增塑、溫峰削減(降熱) ,增強及耐久性改善等作用;通過相關理論分析,推導出礦物功能材料的合理粒徑范圍在5 m 15 m ,即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。
  2. Fruit oblate, 1. 7 cm in diameter, base with persistent bracts and sepals

    果扁球形,直徑1 . 7厘米,基部托以宿存苞片和萼片。
  3. Newgrange is a chambered cairn, a 90 m diameter heap of stone and turf with a ring of 97 kerbstones around the base

    新莊園是一座帶有內廳的石冢,一個直徑90米、底部環繞著97塊鑲邊石的草石堆。
  4. The probe ' s linearity, temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor, such as the influence of the coil q value to the linearity characteristic, influence of the diameter of coil to the linearity characteristic, influence of coil resistance to the temperature characteristic, influence of the measuring coil to the syntony loop

    在介紹渦流位移傳感器的基本理論的基礎上,分析了傳感器探頭線性特性、溫度特性、動態特性的影響因素。從探頭線圈q值對線性特性的影響;探頭直徑對線性的影響;探頭線圈電阻對溫度特性的影響;激勵信號溫度特性的影響:檢測線圈?振迴路動態響應特性等方面分析並提出製作高質量傳感器探頭的改進措施。
  5. Result showed that different waterlogging depths have obvious effects on tree height, diameter at breast height, under branch height, trunk morphological structure, stem base form, and growth process

    結果表明:不同水分條件對池杉的樹高、胸徑、枝下高、干形、樹干基部形態及生長過程均產生明顯的影響。
  6. The strength of extension of low carbon ductile cast iron can reach 750mpa in casting state, the impact ductility can reach 20j / cm2. the diameter of graphite nodule is 5 - 20 ( am, the base body is consisted of pearlite -

    低碳球鐵在鑄態下的抗拉強度可達750mpa ,沖擊韌性可達20j cm ~ 2 ,其中石墨球直徑在5 20 m ,基體以珠光體為主,有少量的鐵素體與滲碳體。
  7. The military organisation may be with perfect accuracy compared to the figure of a cone, the base of which, with the largest diameter, consists of privates ; the next higher and smaller plane, of the lower officers ; and so on up to the apex of the cone, which will be the commander - in - chief

    軍事組織酷似圓錐體,直徑最大的底部是由列兵組成的比底部較高的截面,是由較高級軍事人員組成的由此類推,直到圓錐體的頂端就是總司令了。
  8. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據彈塑性理論,運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算,獲得樁端承載力與樁長(埋置深度) 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系,並採用數理統計方法,對81組ansys模擬試驗結果數據進行回歸分析,得到有限元法確定樁端極限承載力的回歸公式,並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析,得到大直徑樁端阻的尺寸效應系數計算公式。
  9. The experiments show that the bearing capacity of super - long and large - diameter bored piles is mainly contributed by side friction, especially by their upper and middle parts, even under the bearing limitation, the ratio of base resistance to the total load is very low because of the soil residue at the bottom of piles, so this type of piles is friction ones

    試驗表明:即使在極限荷載下,超長樁的豎向承載力仍主要由樁側摩阻力提供,且主要集中在樁的中上段,下段摩阻力很小,樁的端阻力由於樁底沉渣的影響也難以發揮出來,所以超長樁為典型的摩擦樁。
  10. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  11. Pure copper h90, h88 h85, brass h68, h65, h62, round wire and foreign wire with diameter of 0. 1 - 12mm, as well as special flat copper wire for zipper manufacturer, electrical appliance manufacturer and watch belt manufacturer and international standard zinc - base alloy for injection

    1 2 ,紅銅h90 h88 h85黃銅h68 h65 h62 ,直徑0 . 1 - 12mm規格圓線異型線,以及拉鏈廠電器廠表帶廠等的專用紅黃銅扁線各種注塑用國際標準牌號鋅基合金。
  12. In this paper, ansys is been used as numerical method. base on one example, fem model is created by using parameterized modeling and the develop technique by ansys, the effect of the model size has been studied. lt has been certified that the proper parameter value of the model is helpful to develop the analysis accuracy. the length, the diameter and the elastic modulus of pile is changed to study their effect. the analysis shows that : as to frictional pile, big length, big diameter, and great modulus is helpful to develop the bearing capacity of piles

    並分析了模型尺寸對分析結果的影響,結論表明,適當的選取模型參數,有利於分析的精度的提高。文章還通過改變不同的樁土系統參數,樁長,樁的直徑,以及樁的彈性模量,得到了樁土系統的響應,繪制了p ? s曲線,結論表明,對于摩擦樁而言,增大樁長,提高樁的直徑,或者提高樁的彈性模量,有利於提高單樁的極限承載力。
  13. Applying strain - energy distributing theory during col1iding and energy ruler during colliding, the paper put forwards the critical velocity equation which rock - mass destroy when colliding occuf, and other severa1 equations to make certain average velocity and motion direction after collide. at the same time, the equation to make certain the value of energy to make rock - mass destroy has been deducted, and on the base of this, the paper brings forward the equation to calculate average diameter after rock - mass falls into pieces by the way of word - cost theory. accordingly, the paper perfectly studies the effect of falling into pieces in the course of landslide colliding

    ( 3 )首次應用碰撞過程應變能「分配」原理及巖體破壞的能量條件,導出了滑坡巖體在碰撞時發生破壞的臨界速度公式及碰撞后滑坡巖體的平均速度和運動方向的確定公式,導出了碰撞過程用於巖體破碎的能量計算公式,並在此基礎上,利用功耗原理,提出了滑坡巖體破碎后平均塊度的計算關系式,從而較完整地分析了滑坡巖體碰撞的解體破碎效應。
  14. ( 2 ) base on the analysis of the atomizing principles of spray nozzle, mathematical model of combined spin - flow pressure spray drying was set up and the essential parameters such as spraying pressure, liquid quantity, temperature, spraying angle, inject distance, particle diameter and distribution, hollow diameter for several materials in normal conditions by experiment and ldv

    ( 2 )對旋流式組合壓力噴嘴噴射霧化機理加以分析,建立了旋流式噴嘴霧化的數學模型,採用冷態試驗法並藉助激光霧滴測試等實驗裝置對噴嘴的霧化參數(如霧化壓力、噴液量、料液溫度、霧化角、霧距、霧滴直徑和分佈以及噴嘴的空芯半徑等)進行測量和計算。
  15. Its trunk near the base exceeded 60 cm in diameter and towered more than 15 m high, which was equivalent to an eight - storeyed - high building

    植物底部直徑超過六十厘米而高度逾十五米相當于建築物八層樓的高度。
  16. By fitting 106 testing date of cast - in - place piles, the experiential formula between the e and c # as well as l / d ( ratio of length and diameter of pile ) and, the experiential formula c and base resistance qc / pa from cpt of pile surrounding soil are given. finally, we put some examples to testify this theory

    通過對51根打入樁的15組樣本數據的試樁資料進行分析計算,建立了_ e與樁與樁側土的剛度比r之間的經驗公式; _ c與樁側土的靜力觸探成果f _ s p _ a之間的經驗公式。
  17. Base circle diameter

    基圓直徑
  18. The model of the earth pressure distribution along the different sides of large diameter cylinder structure is studied, in the base of the achievement of the former research and the experience from practice, the model is be put forward

    本文在以往的研究成果和實踐經驗的基礎上,深入研究了大圓筒結構內、外土壓力的分佈規律,提出了更加切合實際的作用在大圓筒結構上的土壓力分佈模式。
  19. Lubricate the inner and outer diameter of the gasket with the lubricant provided or a similar non - petroleum base water soluble grease

    用所提供的潤滑油或類似的非石油基水溶性潤滑脂潤滑墊圈的內徑和外徑。
  20. Mould board cabinet - type support base integral strcture, small diameter of screw bar with large length against diameter ratio, full computer dynamping color display temperature tuzzy controlling, imported hydraulic electrical devices, tine mould clamping rigidity, high precidion of injection, it is suitable for injection with engineering plastics

    模板箱式支座連體結構,螺桿小直徑、大長徑比,全電腦動態彩色循環顯示,溫度模糊控制,進口液壓電氣配置,整機合模剛性好,注射精度高,適合工程塑料製品注塑成型。
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