焦化特性 的英文怎麼說
中文拼音 [jiāohuàtèxìng]
焦化特性
英文
coking characteristic- 焦 : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 焦化 : coking; pyrogenation; coal carbonization; charking
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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The qitaihe coal resources isadvantageous, the coal field total area 8, 000 square kilometers, haveverified the geological reserve 1. 7 billion tons, the prospectivereserves 4. 2 billion tons, the coal plant completely, has the cokingcoal, 1 / 3 coking coal, the gas coal, the anthracite and so on 10varieties, by coking coal primarily ; excellent in quality, has theespecially low phosphorus, especially low characteristic and so onsulfur, high heat value, high ash melting point, high silicon content, most is suitable for the coal chemical industry product thedevelopment, is national one of three big protections mining rare coalfields, is the heilongjiang province most important anthraciteproduction base, also is the national important coking coal and thenortheast area biggest high quality coke production base
七臺河煤炭資源得天獨厚,煤田總面積8000平方公里,已探明地質儲量17億噸,遠景儲量42億噸,煤種齊全,有主焦煤、 1 / 3焦煤、氣煤、無煙煤等10個品種,以主焦煤為主;品質優良,具有特低磷、特低硫、高發熱值、高灰熔點、高硅含量等特點,最適于煤化工產品的開發,是全國三大保護性開采稀有煤田之一,是黑龍江省最重要的無煙煤生產基地,也是國家重要的主焦煤和東北地區最大的優質焦炭生產基地。In experience analysis, giving actual rural - urban inequality as the jumping - off place, points out that our country have clear dual - economic and social struction characteristic, and analyze the reasons for which dual - economic and social struction is formed and retained ; rural modernization is key to our country ' s modernization for the following aspects, on the one hand, the problem of the farmer and rural and agriculture have strategic position and role, on the other hand, rural is the focus of a series of realistic problems ; i closely grasp three mainlines of rural modernization, namely agriculture modernization and rural industrialization and rural - to - urban population migrants, we could make them united organically and make a research for them relatedly and discriminatingly, then some policy recommendations are offered
在實證分析方面,以我國農村經濟為研究對象,從現實的城鄉差別入手,指出我國具有鮮明的二元經濟社會特徵,分析二元經濟社會得以形成並維持的原因;從「三農」問題的地位與作用以及農村是一系列現實問題的焦點兩個方面,論述農村經濟現代化是中國現代化的關鍵;緊緊抓住農村經濟現代化的三條主線,即農業現代化、農村工業化和農村人口城鎮化,把三者內在、有機地結合起來,既有聯系又有區別地進行研究,提出有針對性的對策建議。The super resolution effect of sb layer super resolution structure is also investigated with near - field scanning optical microscope. in addition, a rigorous three - dimensional ( 3d ) optical electromagnetic finite - difference time - domain ( fdtd ) model for analysis of a sil system is detailed. in order to accurately analyse sil model, a new method of setting a focused gaussian beam source in fdtd grids is presented
此外,本文還建立了對sil系統光傳輸特性進行模擬的時域有限差分程序,提出一種在fdtd模擬的離散空間設置會聚高斯光源的新方法,並模擬了會聚高斯光束在sil系統中的傳輸,研究了sil在不同離焦情況下底面出射光場幅度及光束半徑的變化規律,為sil存儲系統的優化設計提供了理論依據。In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam
同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸,測量了不同光闌孔徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強,實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小,且分佈近似貝塞爾分佈,符合無衍射光束的特性;經過聚焦后,呈現三維分佈中空的光束bottlebeam ,實驗結果與理論分析基本吻合。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 。A multi - focus color image reconstruction approach - based human vision feature and adaptive optimal search
用視覺特性和自適應優化搜索實現多聚焦彩色圖像重構Second, for robust estimation of camera parameter, we take into account overall color change and focal length adjustment between overlap images
另外為了對圖像進行可靠的拼接,演算法根據普通數字相機的特性,考慮了圖像整體色彩變化與焦距調整。By virtue of the experiments carried out on the modified pilot - scale biomass gasification system, the temperature field in the gasifier is made explicit. and also some principles about how the temperature, feedstock and extraction mode exert influences on heat value and production rate of gas are attained. in addition, some tentative tests of tar cracking and thermodynamic characteristics of biomass gas burner have been performed, which are that indispensable to design and operation of biomass gasification demonstration project
接著,通過對生物質中熱值氣化中試試驗系統的多次改造和反復試驗,了解了氣化爐內溫度場分佈,得出了溫度、物料、抽氣方式等因素對生物質熱解氣的成分、熱值和產氣率影響的一些基本規律,並進行了初步的焦油催化裂解試驗和煤氣燃燒器的熱力特性、燃燒特性試驗,為面向工程應用的集中供氣示範項目提供了必要的設計和運行依據。At the bottom of drier, where is high temperature area, heatsensitivity raw material can not contact with heat surface directly, therefore it solves the carbonization and color charge problems of heat sensitivity raw material
在乾燥機底部高溫區,熱敏性物料不與熱表面直接接觸,並裝有特殊裝置,解決了熱敏性物料的焦化變色問題。Study on activated coke - co2 gasification reaction by programmed heating thermogravmetry
程序升溫熱重法研究活性焦氣化反應特性And pbo single crystal nanowire was successfully prepared with new method. the results show that the amorphous matrix of the powders almost completely transforms into crystalline perovskite phase after 600 calcinations. the mean grain size in pt / tb powder is about 23nm that is smaller than that of pt powders
鈣鈦礦相的晶軸比c / a比未摻tb的pt粉末低,具有贗立方結構的特性,降低了從立方相向這種四方相轉化的勢壘,從而有效地抑制了較高溫下焦綠石相的產生。Secondly, the third order nonlinear optical properties of these compounds are studied under the excitation of ps pulsed laser with the wavelength of 1064nm using z - scan technique, nonlinear refractive indices and nonlinear absorption coefficients are calculated according to the z - scan experiment curves of the compounds. all the three compounds have self defocusing characters and two photon absorptions. lastly, nonlinear refraction and absorption properties of these compounds are studied by z - scan technique under the excitation of ps pulsed laser with the wavelength of 532nm the self defocusing and reverse saturation absorption are found in these compounds
根據實驗曲線計算了它們在1064nm下的三階非線性折射率和非線性吸收系數,三種化合物都具有自聚焦特性,並且在該波長下,三種化合物均具有雙光子吸收,最後,以皮秒脈沖的532nm為激發波長,採用z掃描方法,研究了三種金屬有機化合物的非線性折射和非線性吸收性質,在該波長下三種化合物仍然表現為自聚焦特性,且其吸收為反飽和吸收。Coal - char pyrolysis, firing, burnt and limestone calcination under o _ ( 2 ) / n _ ( 2 ) oro _ ( 2 ) / co _ ( 2 ) atmosphere were carried on a thermobalance. limestone calcination and sulfuration under o _ ( 2 ) / co _ ( 2 ) atmosphere were tested on a bench scale fluidized bed facility. the characteristics of coal combustion and pollutant emission under o _ ( 2 ) / n _ ( 2 ) or o _ ( 2 ) / co _ ( 2 ) atmosphere were experimented on a circulating fluidized bed multi - function test - facility
在熱天平上進行o _ 2 / n _ 2氣氛與o _ 2 / co _ 2氣氛下的煤焦熱解、著火與燃燼反應動力學及石灰石煅燒分解特性研究;在小型流化床試驗臺上進行石灰石在o _ 2 / co _ 2氣氛下的煅燒與硫化反應特性研究;在設計、搭建的循環流化床多功能綜合試驗臺上進行o _ 2 / n _ 2氣氛與o _ 2 / co _ 2氣氛下的煤燃燒特性與污染物排放規律研究。Reaction parameters under kinetic control of coal - char pyrolysis and limestone calcination under o _ ( 2 ) / n _ ( 2 ) and o _ ( 2 ) / co _ ( 2 ) atmosphere on the thermobalance were obtained. the effect of different ratio of o _ ( 2 ) and co _ ( 2 ) ( n _ ( 2 ) ) to coal - char reaction was also discussed. simulated calculation was just consistent with the thermogravimetric test results
採用熱天平( tga )對兩種煤焦顆粒和兩種石灰石顆粒分別在o _ 2 / co _ 2氣氛、 o _ 2 / n _ 2氣氛下的反應特性進行了研究,得出了處在化學動力學控制區域內煤焦和石灰石的反應動力學參數,以及o _ 2與co _ 2 ( n _ 2 )比例關系的變化對煤焦和石灰石熱重反應的影響,並且對試驗結果通過理論分析進行了模擬計算。In this method, the system features, such as no - linearity, no - easy constructing model and serious coupling are fully considered. the control effect manifests the validity of the decoupling methods presented in this paper. it can solve many questions in the operation of coke oven
該方法充分考慮了系統非線性、難以建模和具有強耦合性的特點,實際控制效果充分的表明,本文提出的模糊前饋解耦方法,簡單且易於實現,能夠有效的解決目前焦化行業中焦爐和煤氣鼓風機控制系統中多變量間存在的嚴重相互耦合的問題。According to scattering phenomenology, we point out that the commonly used point scattering models fails to accurately describe the complex scattering behavior of real target. for that reason, based on the theory of effective scattering centers, researches are taken on more accurately physical - relevant description of target scattering and on approach that is more effective to characterizing and extracting target scattering features by means of time - frequency analysis and scattering centers modeling
全文以此為線索,以光學區散射中心理論為基礎,分別從目標二維像的散焦效應、二維像的時頻分析、以及二維散射中心的模型化這三個角度,探討對目標復雜散射特性進行更為合理的描述和分析,並提取可用於識別的目標結構特徵。A kinetic characteristics algorithm of furnace combustion based on steady state is established, and a dynamic mathematical model of 450t / h cfb boiler made in china is developed in this paper. the model not only integrates the update theories and results of previous studies on the partial aspects, but also considers the main process in cfb boiler including flow, coal distribution, devolatilization of coal, char combustion, heat transfer and so on, and further improve the existing model of combustion kinetic characteristics
本文以國產450t h循環流化床電站鍋爐為研究對象,在前人對循環流化床內部各種單獨過程及模型化研究成果的基礎上,深入考慮了燃煤粒徑分佈、流動、揮發分釋放和燃燒、焦炭燃燒、傳熱等循環流化床內部進行的主要過程,進一步完善了爐內燃燒動態特性的數學模型。Based on the nonlinear paraxial equation and b - t theory, a differential equation, which describes the small - scale self - focusing in gain ( loss ) media has been derived. the change rule of the maximal gain frequency, cutoff frequency and integral exponential gain have been analyzed approximately
我們首先從非線性近軸波方程出發,基於b - t理論的思想,在考慮了介質的增益(損耗)特性的情況下,推導得出了小尺度自聚焦所滿足的微分方程,並通過近似方法分析了最大增長頻率、截止空間頻率及積分指數增益等的變化規律。Chapter 3 : in this chapter, the propagation characteristic and focusing properties of elegant hermite - cosh - gaussian ( ehchg ) beam through a finite aperture are investigated. the variance of the beam width, the generalized analytical expression of mg2 - factor and the power fraction of the truncated beam are derived theoretically and illustrated numerically
第三章:討論了eleganthermite - cosh - gaussian ( ehchc )光束通過有限孔徑的傳播特性和聚焦性質,得到了其光束束寬, m ~ 2因子及能量分數的解析表達式,並分析了影響光束參數的因素及其變化規律。According to m. sheik - bahae ' s theory the sample has a negative nonlinear refractive index under 1064 nm pulse laser. it was determined as 6. 5 x 10 - 21 m2 / w. meanwhile, the minimum value of normalized transmittance of z - scan curves without aperture are found at the focus, and indicate that nickel one - nuclear complexes have nonlinear absorption properties
同時開孔z掃描曲線在焦點處出現透過率的最小值,表明它具有非線性吸收特性,其非線性折射率為6 . 5 、 10一, , mz / w ;我們還利用歸一化透過率曲線算得了這兩種鎳單核配合物的三階非線性極化率的實部。分享友人