進動角錐 的英文怎麼說

Analyse the technology principle of program tracking, step - in tracking, conical scan tracking and singleshot tracking, and contrast the advantage and disadvantage of them. select program tracking and conical scan tracking considering performance and cost

二、對程序跟蹤、步進跟蹤、圓錐掃描跟蹤和單脈沖跟蹤這四種自動跟蹤技術的原理進行了具體的分析，並比較了它們各自的優缺點，從性價比的角度，選擇了程序跟蹤與圓錐掃描跟蹤相結合的方式。

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。

In this thesis the problems relative with safe reliability of parachute recovery system of manned spacecraft are commenced, the coning motion of the systems in steady decent are studied emphatically ; in view of multibody dynamics, two different dynamic modeling principles and methods of parachute systems have been discussed, and their dynamic characteristics are analytically compared

本文從載人飛船回收系統安全可靠性緊密相關的問題著手，重點研究了降落傘系統在穩定下降過程中的錐擺現象;並且從多體系統動力學的角度出發，討論了物傘系統的兩種不同動力學建模理論和方法，並對它們的動力學特性進行了分析比較。

Finally, by means of comparing the theoretical tooth surface equation with the tooth surface equation included errors of cutter position and cutter position angle, the quantitative analysis of the theoretical tooth shape and the tooth shape considering the errors of cutter position and cutter position angle was curried out based on the software above. from which, the effect of errors of cutter position as well as cutter position angle on the processed tooth shape and transmitting behavior of this kind of gearing was studied

最後，通過比較雙圓弧弧齒錐齒輪齒面理論方程與加入刀位及刀位角誤差后的齒面方程，應用上述軟體和通過進一步的數值計算，進行了無誤差的理論齒形與加入刀位及刀位角誤差后所得到的實際齒形之間的定量分析，比較直觀、方便、準確地對刀位及刀位角誤差對雙圓弧弧齒錐齒輪的齒形以及傳動的影響進行了初步研究。

Taking the meshing theory of conjugate curved surface as a foundation, utilizing array method of rotation transformation of vector, the meshing equation and contour surface equation of conical cam mechanism with swinging conical roller follower were analyzed and derived, and the calculation formula of pressure angle and synthetic curvature of the mechanism was presented, thus laid a solid theoretical foundation for enhancing the machining accuracy of conical cam, improving its processing method and achieved the integration of cam cad / cam

摘要以共軛曲面嚙合理論為基礎，運用矢量的旋轉變換矩陣法，分析並推導了圓錐滾子擺動從動件圓錐凸輪機構的嚙合方程和廓面方程，並給出了機構的壓力角和綜合曲率的計算公式，為圓錐凸輪加工精度的提高，改進其加工方法，實現凸輪cad / cam一體化奠定了堅實的理論基礎。