致熱反應 的英文怎麼說
中文拼音 [zhìrèfǎnyīng]
致熱反應
英文
pyogenicity-
It ' s well known that both thermal self - defocusing effect and reverse saturable absorption can lead to optical limiting
眾所周知,熱自散焦效應和反飽和吸收效應都能導致光限幅。Indium stannum oxide ( ito ) as semiconductor have caused a great deal of interest due to their prominent electro - optical behavior. ito has high prominent transmittance, high infrared reflectance, good electrical conductivity, ito applied as gas sensors, photovoltaic devices, heat reflecting mirrors, solar cells, flat panel displays, liquid crystal displays, electroluminescent, devices and organic light - emitting diodes ( oled ) etc. although preparations and applications of ito films have been studied deeply. nano - ito composites hardly studied
氧化銦錫( ito )是一種高簡並的n型半導體,由於具有導電性,可見光高透過率,紅外反射性,穩定的化學性,被廣泛應用於熱反射建築玻璃、抗靜電塗層,太陽能電池,熱發射鏡,平板顯示器和液晶顯示屏,傳感器,有機光致二級管( oled )等方面,國內外對高質量的ito薄膜的制備和應用進行了深入的研究,但是很少有ito納米粒子與高分子材料復合的報道。If a decadal positive temperature anomaly occurs in the eastern tropical pacific, the atmospheric response excites a anticyclonic wind stress anomaly in the east of australia, which will lead to generate a negative temperature anomaly in the western tropical south pacific
當熱帶東太平洋的海溫為暖異常,它將激發澳大利亞的東部沿岸的大氣產生反氣旋性風應力異常,在這種風場的作用,下方海水向四周輻散,導致熱帶西南太平洋的溫躍層變淺,產生負的溫度異常。The degradation of the electrical characteristics in sic pn junctions irradiated by neutron is attributed to the recombination centers and the electric field effect on the thermal emission of traps within the depletion region. the relationship of the ideality factor to the applied voltage is theoretically studied
提出了中子輻照下sicpn結電特性退化的新的理論, pn結耗盡區中的輻照陷階在耗盡區電場的作用下熱發射效應得到加強,從而導致pn結正偏和反偏時的復合電流和產生電流的改變。In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation
針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象,考慮滲流與傳熱的相互作用,採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明,高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域,增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降,熱滲透深度擴大,熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域,孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用The thermal return reaction of hg ( hdz ) 2 doped in pmma film in the photochromic process follows second - order kinetics from ambient to 65
摘要雙硫腙汞絡合物在摻雜的pmma膜中的熱回復反應在不同溫度下遵循二級反應動力學過程,其光致變色反應機理應為雙分子過程,即分子間的氫轉移過程。Because of its excellent properties, such as high strength, high module, wear resisting, and etc., sicp was added to ferroalloy as a reinforce phase. but the intrinsic difference between the bonds led to poor fabrication of the composites. in this paper, the effects of alloying, sintering, and heat - treatment on the properties and microstructures of sicp / ferroalloy - based composites were studied, : it was found that sic particles reacted with ferroalloy when sintered in 1100
碳化硅因其高強度、高模量、耐熱、耐磨等優良性能而被作為顆粒增強體來制備鐵基復合材料,但因其共價鍵與鐵基體的金屬鍵之間的本質區別導致兩者復合困難,本文擬從基體合金化、燒結及熱處理工藝等方面對鐵合金基復合材料組織與性能的影響進行考察,具體內容如下:加入fe - cu - c基體中的sicp顆粒, 1100燒結時就已經開始發生分解,但反應不強烈,在顆粒表面鍍鎳可以延緩基顆粒與基體之間的反應。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。Based on the thermodynamics for getting activity coefficient, a symmetry equation was established for calculating inter - diffusion coefficient. the calculated data coincide well with the experimental ones found in literatures
T匕較而臺,二種復合材料中scs一6sic / tizainb的界面反應程度較輕,與熱力學預測結果一致。Then, the one dimensional model is used to study on some factors ( viscosity, the heat given out by the chemical reaction in the chemical laser ) which bring the loss of the total pressure. the answer shows that increasing the mach number at out of the nozzles in the laser can reduce the loss of the total pressure
在此基礎上,用簡化的一維模型研究了引起激光器總壓損失的幾個要素,它們是:噴管的粘性損失,光腔內的放熱化學反應。研究的結果表明,提高噴管出口馬赫數有利於減少這些因素導致的總壓損失。Doctors who suspect a child developing signs and symptoms of intussusception following rotateq administration are encouraged to report it to the dh by calling dh s adverse drug reactions hotline 2319 8482 during office hours
醫生如懷疑兒童在接受rotateq疫苗注射后,出現腸套疊的病徵,可於辦公時間內致電生署藥品不良反應熱線2319 8482 ,呈報有關個案。The thermal activation by reason of the mechanical activation has promoting effect on the mechanical activation. furthermore, the mechanical activation assures the final powders are in nanometer - size. otherwise, for the first attempt of ma in the reaction system of metal - macromolecule or oxide - metal - macromolecule, author investigates the synthesis of nanometer - sized tic from petroleum coke by using reactive milling and dual activation reactive milling
機械激活作用是整個「雙重激活反應研磨」機制的基礎:機械激活導致熱激活的產生,而熱激活又將加強機械激活的效果;機械激活作用貫穿于整個反應過程之中,並保證了最終產物在較小尺寸范圍內。Thermal and welding residual stress often produces in the proceeding of the electronic package, the residual stress release and thermal deformations of the microelectronics will reduce the assemble intensity between the chip and package, and then debase the electrical performance of the assemble circuit, numerous thermal cycling will lead to thermal fatigue or thermal failure of the microelectronics
電子封裝器件在生產的工藝過程中,往往會產生熱殘余應力以及焊接殘余應力,殘余應力的釋放作用及器件在使用過程中的熱變形,會降低集成電路晶元與封裝體的結合強度,進而降低集成電路的電性能,反復的熱循環,將導致器件的熱疲勞失效,嚴重時可導致矽片或陶瓷片破裂,使整個器件遭到破壞。To analysis combustor structure ’ s contribution to fluxion and combustion explicitly, it is necessary to study the impaction of wave system and fire temperature on chemical reaction and heat release ’ s procedure
為了細致分析燃燒室結構和流動進口參數對超燃的作用關系,必須細化研究超音速流場的波系結構和燃氣溫度對化學反應放熱過程的影響。The fem results indicated that as to the rough surfaces in sliding contact, the value of the contact pressure was very high which coursed a high value of the heat flow rate, meanwhile the sliding time was not enough for the frictional heat to transfer, thus the highest value of the body temperature occurred just on the sliding surfaces, which possessed a sharp thermal gradient in direction perpendicular to the sliding surface. so the great thermal stress was caused just by the sharp gradient and the thermal elastic distortion with which the contact pressure changed occurred simultaneously, thus this change of the contact pressure would affect the temperature distribution in return
對于相對滑動的粗糙表面,因實際接觸面積小而導致接觸壓力很大,這樣使得熱流密度會很大,同時由於滑動時間很短,熱來不及傳導,最高溫度發生在摩擦表面,在垂直於摩擦面的方向有很大的溫度梯度,使得熱應力很大,且最大應力發生在表面,同時產生熱彈性變形,這種變形使得接觸區域內的壓力分佈發生變化,這種變化又反過來影響了接觸區域的溫度分佈。The validity of averaged lst image was confirmed by comparing the temperature image with the regionalized image at the same period. based on the validity, we analyzed the distribution character of thermal resources in guangxi by using lst image. comparing the results from mis research with the temperature image from the second agriclimatic regionalization, it is indicated that the lst image made by the satellite remote sensing in this research is more extensive, more particular and clearer than that from the second agroclimatic regionalization to express the distribution of thermal resource
採用與相同時段的氣溫分布圖及歷史平均區劃圖對比分析的方法,對製作的lst平均圖進行了有效性檢驗,在此基礎應用衛星遙感ls1 』調查農業氣候熱量分佈的方法研究上,由lst平均圖分析了廣西熱量分佈特徵,並與第二次農業氣候區劃氣溫圖進行比較分析,表明根據衛星遙感獲得的lst平均圖可以更直觀、細致、清晰地反映下墊面熱量分佈特徵,並將在農業氣候熱量區劃中起到重要作用Administrations of - msh via the vein, csf or microinjection of this peptide into the ventral septal area ( vsa ) and the preoptic region of the brain significantly reduced fever of tested animals
經靜脈、側腦室,腹側中膈區( ventralseptalarea , vsa )以及視前區等處給予- msh ,均能顯著抑制lsp所致的發熱反應。Results show that there are two main spatial patterns of the wp ssta : one is uniform in the whole area, the other is of the north - south asymmetry. when the spatial pattern is uniform in the whole area, in the warm years, there is a anticyclone circulation existing over the warm pool and westerly in the subtropical region and easterly in the tropical region have been greatly strengthened at 850hpa, while a anticyclone circulation over the india region at 200hpa, the walker circulation has been strengthened, the summer rainfall may be above normal in the upper and middle reaches of the yangtze river, vice versa
當ssta為一致性分佈時,暖異常年, 850hpa暖池區上空為一反氣旋偏差環流,副熱帶地區西風和低緯度地區東風得到加強,長江中上游地區盛行偏南風氣流; 200hpa南亞上空為一反氣旋偏差環流,長江中上游地區為北風; walker環流加強,副熱帶高壓偏強,經向垂直環流在25 35 n附近為上升氣流,長江中上游地區降水偏多,是lanina事件的多發年,對應的soi指數偏高,冷異常年則相反。The kinetic equations for the qgp have been formed under the general frame of the statistical theory and its dynamic basic is the quantum chromodynamics ( qcd ), which the component particles of the system obey. they are widely used in investigating the properties of the qgp. there are two basic forms of the qgp kinetic theory : quantum kinetic theory and ( semi - ) classical kinetic theory
Qgp動力論的基本方程是以系統的成分粒子(夸克、反夸克和膠子)所服從的qcd為動力學基礎,按統計理論的一般框架建立起來的,現已廣泛應用於討論qgp的物性,並已證實在「硬熱圈」水平上動力論和溫度場論的結果是一致的,因而該理論得到普遍的承認。Scanning electron microscope ( sem ) coupled with energy - dispersive spectroscopy ( eds ) were utilized to investigate the morphology characteristics of the products. the portion mechanical properties, denstity and vickers microhardness of products were tested in the present paper. results indicated that the reaction of ti - al - tic system could be divided into two stages
研究結果表明, ti - al - tic系統的反應大致可分為兩個階段:熱壓溫度在900之前, ti和al的反應生成tial金屬間化合物;燒結溫度達到900以後, tial金屬間化合物和tic反應合成tial ti _ 2alc復合材料。分享友人