d solid 中文意思是什麼

D r greatrix. acceleration - base combustion augmentation modelling for non - cylindrical grain solid rocket motors r. aiaa 95 2876

曹泰岳，常顯奇，等.固體火箭發動機燃燒過程理論基礎m .長沙：國防科技大學出版社

The characteristics of various solid - state power - combining techniques and the principles of the waveguide - based power combining structure are compared and analyzed in detail. the power combiner is based on a double antipodal finline - to - microstrip transition structure. the proposed 2 2 combining structure is optimized by using 3 - d fields simulation tools cst

主要內容為: 1 .研究和對比了各種固態功率合成技術的特點，詳細地分析了波導基空間功率合成器的工作原理，提出了一種基於雙對極鰭線-微帶過渡的2 2路毫米波功率合成器結構，藉助三維場模擬軟體cst對該無源網路進行了優化設計。

But the matter particles are arranged in groups exactly like you ' d expect from the combination rules for gluons, which is regarded as solid indirect evidence that gluons exist

但如果粒子組合在一起的方式和你所期待的膠子組合的方法相同，這也就是對膠子存在的有力的間接證明。

Electric - controller is nubbin in developping. we are based on designing to structure of circuit, we are dead against in time and stabilization for controlling and communications, precision and rapidity for transformation etc. we have completed to select on microprocessor, clock - frequency and a / d transfer. it carry out transformation for valve position signal, and select on solid - switch ac

在控制器的電路結構設計的基礎上，考慮到通訊、控制的及時、穩定、轉換的精度和速度等幾方面，主要完成對微處理器的選擇、時鐘頻率和a d轉換器的選用，閥位變送功能的實現，固態交流開關和顯示器的選擇等。

According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。

Reecat company acquired two national " 15 " high - tech r d projects 863 plan, lay a solid foundation for reecat s tremendous development of trade

作為排放污染控制的排頭兵，公司承擔了兩個國家「十五」高技術研究發展計劃「 863 」計劃項目，為利凱特事業乃至整個行業的長足發展打下了堅實的基礎。

It has a solid r d elibity, large - scale machinery manufacturing capacity. it is specialized in manufacturing in stand, lint cleaner, seed cotton cleaner, delinter, baling press, reclaiming machine, etc. series cotton processing machinery

邯鄲市邯武棉機廠是製造軋花機皮清機籽清機剝絨機打包機回收機等一系列棉花加工設備及棉機配件的專業廠家。

Blamed if the king didn t have to brace up mighty quick, or he d a squshed down like a bluff bank that the river has cut under, it took him so sudden ; and, mind you, it was a thing that was calculated to make most anybody sqush to get fetched such a solid one as that without any notice, because how was he going to know what was tattooed on the man

啊，這下子如果國王不能在一剎那間便鼓足勇氣來立刻作答，那他就會像給河水淘空了的河岸一樣，一下子突然塌下去請注意，象這樣猝不及防而又硬碰硬的問題，準能叫十個人有九個招架不住因為他怎麼會知道死者身上刺了些什麼啊？

2 buyer s designs are welcome for developing, normally, solid fabric take 10 to 14 days and 21 days for y d or printed fabric

2接受買方來樣開發，通常素色樣需10到14天時間，色織樣或印花樣需

The strict ipr law enforcement and protection ameliorates china ' s investment and foreign trade environment, facilitates foreign enterprises in transferring technology to and establishing r & d centers in china, and lays a solid foundation for independent corporate innovation

嚴格的知識產權執法保護，改善了我國的投資和對外貿易環境，促進了外國企業對華轉讓技術和在華設立研發中心，為企業自主創新奠定了良好的基礎。

Therefore to ensure our solid basis of quality, we had congregated with the efficient management team, well experienced engineers in r d and productions, top professionals in sales marketing, skillful production workers with high standard quality controllers and our worldwide partners and customers

公司的內部管理理念是：以人為本鼓勵創新。公司實行人性化管理和鐵的紀律相結合。在公司內部形成了人文的高效的活躍的嚴謹的企業氛圍。

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。

It is a reliable instrument for the measurement of the coherent structure in turbulence. an improved 2 - d ptv was developed based on previous research experiences, which can be used to measure the trajectories of particles motion. for the experimental study on the particle motion in the dilute solid - liquid two - phase flow, especially for the motion characteristics and dynamic characteristics of coarse particles in water, this kind of system was proved to have great advantages

利用該系統可獲取大量的統計樣本並進行計算機快速分析，為明槽紊流相干結構的試驗研究提供了一種嶄新的測量手段；在前人工作的基礎上，開發了一種能夠測量水流中顆粒運動軌跡的ptv系統，該系統具有可靠的精度，能同步測量全剖面的顆粒瞬時運動信息，為顆粒運動特性及動力學特性的試驗研究提供了強有力的手段。

The 3 - d wire frame and solid images of femoral condyle could be reconstructed when the digitized data were inputted into image processing software of surfacer 9. 0

對重建圖象間隔0 2mm下載，第四軍匡大學顧士學位論文以bmp圖像格式保存。

The work of this paper include : 1. the 3 - d solid entities of the external store, a missile, and the aircraft are modeled with a commercial cad software

在投放發射分離過程中，外掛物處于載機的近流場中，狀態和姿態角的變化可能很大。

Numerical simulation of a 3 - d gas - solid flow in a spouted bed

三維噴動床氣固兩相流數值模擬

Die cave 3 - d solid modeling

機頭流道的三維實體造型研究

A 3 - d solid modeling is applied to the simulation, which describes the interaction influencing on the structure and soil

數值模擬結果表明，箱體結構前端的位移和應力值受箱體結構長度的影響較大。

So it can provide reliable information for the design and improvement of the connecting rod. the geometric model is built by using 3 - d cad software unigraphics ( ug18 ), and the 3 - d solid geometry of the connecting rod is meshed by using msc. patran, an fem pre - and postprocessing software

本文採用了unigraphics 3d軟體進行實體幾何建模，應用有限元前處理軟體msc patran對連桿模型進行網格劃分、加載和約束的處理，然後提交到msc

The keys of this subject are how to read 3 - d digital information from medical device and transfer it to the information that cad system can recognize and how to reconstruct bent - surface with the 3 - d digital information that is obtained and constructed 3 - d solid with those as a base

本課題研究的關鍵在於如何解讀醫學影像設備輸出的三維數字化信息，並將其轉化為cad軟體能夠識別的信息以及怎樣利用得到的三維數字化信息進行曲面重構，並在此基礎上建成三維實體。