錐體徑 的英文怎麼說

The result shows that the quenching inductor with wimble magnet inlaid is adaptable for this technique, and the vertical quenching machine can be used in mass production

結果表明，帶錐角鑲嵌導磁體的圈式感應器，其有效圈高度、錐角和內徑的合理匹配可以滿足淬硬層形態的要求，採用立式淬火機床連續淬火可以大批量生產合格的半軸。

Flared type tube fittings - male branch tee reducer - body

擴口式變徑錐螺紋三通管接頭體

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。

Shipbuilding. shaft lines. keys and keyways for tapers on propeller - shafts. diameters 100 mm to 680 mm. alternative

造船工業.軸線.直徑為mm mm的螺旋槳軸上錐形體的鍵和鍵槽.可選擇的

Shipbuilding. shaft lines. keys and keyways for tapers on propeller shafts. diameters 110 mm to 680 mm

造船工業.軸線.直徑為mm mm的螺旋尾軸錐形體的鍵接

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。

This dissertation investigates the influences of internal press and missiles shape on deformation and rupture of a multi - span thin - walled metal tube that struck by a large - mass and slow - speed missile transversely. 103 impact tests were conducted on a thin tube ( d / t = 44 ) either empty or filled with water using a missile ( dm / t = 6 ) with various nose shapes ( flat - nosed, hemisphere - nosed and conical - nosed )

採用三種彈體（平頭、半球形和圓錐頭，彈體直徑與管壁厚度之比d _ m t = 6 ）對空管和高壓充水薄壁鋼管（徑厚比d t = 44 ）進行了沖擊破壞實驗，預加工作內壓分別為0mpa ， 5mpa ， 10mpa和15mpa 。

A mathematical model of flows in the substrate was established using the equivalent continuum approach, and multi - dimensional numerical simulation of the steady flows in the catalytic converters was performed. simulation results show that the separation and vortex, which cause the pressure loss and the velocity non - uniformity at the front of the first substrate, are generated near the wall of the conical pipe. in addition, the larger the inlet cones angle the more the pressure loss and maldistribution in converters, however, when the angle enlarges enough the pressure loss would be decrease

結果顯示氣流在擴張圓錐管壁附近出現分離產生較強的擾動，造成局部流動損失和載體前氣流速度沿徑向分佈不均勻；入口擴張管結構對催化器的流動特性有很大影響，但並非擴張角越大，催化器流速武漢理工大學碩士學位論文分佈的不均勻性和壓力損失也增大，而是存在著一個最佳角度，但當擴張角增大到一定程度以後，擴張角對流速分佈和壓力損失的影響變小。

Gas cylinders. taper screw thread for valve stem and cylinder neck assembly. nominal diameter 28. 3 mm, taper 3 25, 14 tpi, whitworth form

氣瓶.閥門堵頭和氣瓶頸口組件用錐體螺紋.公稱直徑28 . 3毫米，錐度3 25 ，每英寸螺紋齒數14 ，惠氏螺紋

Reduction sleeves with tenon drive with external and internal 7 24 taper

帶內外錐體的榫傳動變徑轉接套管

Test relating to pavements. tests for concrete with d superior 40 mm. part 2 : slump test using a cone

路面試驗.直徑大於40mm混凝土試驗.第2部分:用錐體進行的坍落度試驗

The structure of field emission triode is first simulated by magic. the tip height, tip position, tip curvature, gate aperture, and gate voltage are changed, to observe the emission current and the electron congregation

本課題首先採用magic軟體對三極體結構的尖錐場發射陰極進行了模擬計算，分別改變尖錐高度，錐尖位置，尖錐曲率半徑，柵極孔徑及柵極電壓，觀察陽極收集電流及電子束的會聚情況。