角錐狀的 的英文怎麼說
中文拼音 [jiǎozhuīzhuàngde]
角錐狀的
英文
pyramidal-
Cartoonist william nearly describes it this way your feet and hands are attached but your upper body can move around the center of the bike in a cone shape when you stand you simply get a bigger cone of movement which allows you to have more control over the bike moving your body around also allows you to shift the focus point of your weight from seat to pedals to handle bars you can add weight to either wheel to improve traction for breaking climbing or turning
漫畫家?威廉描述：雖然腳和手是固定的，但可以身體卻可以（以坐墊為中心）角錐狀地活動，當你站起來可以把中心移到雙腳而得到更大的角錐體移動，那會讓你有更大的空間改變重心，讓前後輪得到煞車、爬坡和轉彎的最大抓地力。West indian locust tree having pinnate leaves and panicles of large white or purplish flowers ; yields very hard tough wood
西印度群島的一種角豆樹，有羽狀的葉片和開白色或紫色大花的圓錐花序， ；木材十分強韌。Abstract : this paper analyzes theoretically the effect of the reversed cone angle and length of the plug on restraint and elimination to the distortion of the internal spiral ribs, and put forth the design methods of the plug in drawing rifled tube
文摘:從理論上分析了芯棒倒錐角和芯棒長度對內螺旋凸筋形狀畸變的抑制和消除作用，提出了採用倒錐形等螺距芯棒拉拔內螺紋管時芯棒幾何參數的設計方法。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。Conical seating at an angle to flow is self aligning, tight and always closed in a no - flow situation. even in vertical ( flow - up ) pipe runs, this valve provides exceptionally tight shutoff
圓錐形閥座與流向具有一定的角度，能夠自行調整，在無流體狀態下能夠始終緊密關閉。甚至在垂直（流向朝上）管道上，這種閥門具有特別緊密地關閉特性。Along with the striking vertical nose fins they added in france, the team also added two ' horn ' wings, similar to those on the mclaren, behind the driver ' s head
除了在鼻錐加上兩片特殊的直立鰭之外，在法國，車隊亦在車手頭部後方加上兩片牛角狀的翼，類似邁凱輪車上的那些。2 for the first time, the author brings forward the concept of " pyramid horn high order mode resonator " and pml - fdtd technique is used to analyze the electromagnetic field distribution in the pyramid horn. the results show that the pyramid horn sensor is much more sensitive than the open ended waveguide or transmission line sensors. the sensor we used is a kind of resonance sensor
二、首次提出了「角錐喇叭高次模諧振腔」的概念，並且採用pml ? fdtd法分析了角錐喇叭場分佈狀態，從而，得出了角錐喇叭探頭比終端開口波導或傳輸線探頭靈敏得多的原因在於：我們採用的探頭是諧振式探頭，消聲瓦樣品的差別相當于對角錐諧振腔的微擾；採用波導或同軸線探頭，消聲瓦樣品的差別相當于對傳輸線終端負載有一點變化而已。General rules were validated and a new rule was discovered : i. e. the shape 0f these two stress fields are same, the equivalent stress of the round corner in the bottom reached its maximum at the first phase, the equivalent stress of the edge of hole reached its maximum at the third phase, the equivalent stress of flanging with cone - shaped punch descend more than that with column - shaped punch at the fourth phase i. e. the phase of deformation completed
驗證了一般規律，也發現了新規律，即兩者的應力場形狀相同，底部圓角處等效應力在變形第1階段最大，孔口邊緣處等效應力最大出現在變形第3階段，第4階段（變形終了時）錐形沖頭翻邊的等效應力比柱形沖頭翻邊時下降更大。分享友人