emission time 中文意思是什麼

emission time 解釋
發射時間
  • emission : n. 1. (光、熱、氣體等的)發出,發射,射出,放射;傳播。2. (紙幣等的)發行;發行額。3. 發出物,放射物。4. 【醫學】排出;遺精。
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  1. Aliquots of cells were mixed 0. 15 % mg / ml fb - 28, and kept at 4c for 30min, fusion assays were conducted : fluorescence was measured immediately at regular time - points with fluorescence spectrophotometer with an excitation wave length of 560nm and emission wave length of 590nm. the percentages of membrane fusion was calculated. by monitoring fusion using the r18 assay, we found that the fluorescent brightener 28 influenced membrane fusion of virus and midgut epithelia cells

    此外,採用分子探針r18 (熒光標記物)標記病毒囊膜,體外分離中腸上皮細胞,將標記的病毒粒子與離體中腸上皮細胞混合后保溫,病毒吸附zh后,通過檢測熒光的變化來監測病毒粒子與上皮細胞的融合。
  2. By introduction of two lif layers, the adjustment of the position of thin layer alq3 in the microcavity is achieved and the effect of the coupling strength between the emissive dipole and vacuum electric - field on the emission intensity in ( / 2 - length microcavity is studied for the first time

    在帶有dbr結構的高q值微腔中,觀察熒光壽命變短輻射速率提高的現象。通過使用填充層,來實現對薄層alq在腔中位置的調節,研究了輻射偶極子同光電磁場的耦合強度對輻射強度的影響。
  3. It has been proved that the cnt has good characteristic on the field emission. at the same time, people have noticed that the nanosized diamond has a low nea

    碳納米管已經被證實具有良好的場發射特性,而金剛石超微粉也具有負電親和勢低的特點。
  4. The ultrafast dynamics of oxazine 750 dye has been studied in the typical alcoholic solvents by using the femtosecond time - resolved stimulated emission pumping fluorescence depletion ( fs tr sep pd ) technique

    摘要利用飛秒時間分辨熒光虧蝕光語技術,研究了惡嗪750激光染料分子在典型的醇類溶劑中超快動力學過程。
  5. In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys

    本文首先對子母式穿甲彈總體參量作了全面的計算分析,其中主要分析了子彈射出的彈道位置和必要的子彈著靶速度,論證了子母式穿甲彈對付爆炸式反應裝甲的可行性,然後對子母式穿甲彈彈頭部進行了總體設計,其中主要對子彈的發射過程進行了詳細的分析,得出了母彈彈頭部發射孔內閉鎖環厚度與子彈飛離母彈速度的關系、子彈長度與子彈飛離母彈速度的關系、子彈長度與火藥燃燒率的關系、子彈長度與母彈彈頭部發射孔內最大壓力的關系以及子彈的長度與子彈發射所需時間的關系,設計出了合理的母彈彈頭部結構和子彈的結構,並利用ansys有限元分析軟體對母彈彈頭部的強度進行了校核。
  6. Spatial distribution and time scales of atmospheric diffusion over beijing area are revealed by means of a random walk simulation model and practical meteorological data with a specified emission source from the city. results show a southward transport pattern for wintertime while a northwest transport of pollutants in summer. the area is the least evidently influenced by the emission source in spring, while the largest in autumn. the time spent for instantly emitted material removing from the model domain varies from winter - spring to summer - autumn. the former was shorter one of less than 20 hours ; the latter was longer one of approximately 30 hours. distribution of occurrence probability for different removal times was not symmetry. reducing slowly at the end of longer removal time, probability exists for pollutants remaining in this area a long time

    結果表明,冬季示蹤物偏南夏季偏西北的輸送明顯春季擴散影響范圍最小秋季最大。示蹤物從200km200km模式區域輸出的平均時間去除時間明顯分為冬春季和夏秋季兩組,前者較小,平均在20h以下,後者較大,平均約30h 。不同去除時間出現的頻率分佈是非對稱的,在長去除時間一側,出現頻率下降緩慢,顯示污染物有在該區域內長時間滯留的可能。
  7. ( 5 ) " electronic controlled bypassing air + three - way catalytic converter " system used for carburetor petrol engine which " is capable of setting up working condition for three - way catalytic converter and can solve the contradiction between emission control ( controlling hc, co, nox at same time ) and power, torque, fuel consumption having been put forward

    ( 5 )建立了針對化油器式車輛的「電控補氣+三效催化轉化器」系統,通過採用雙迴路電控補氣可以為三效催化轉化器建立良好的工作條件,較好的解決了化油器式汽油機動力性、排放(同時降低hc 、 co和nox )之間的矛盾。
  8. ( 8 ) by studying match between the electronic system and catalytic converter on the base of electronic controlled bypassing air system, conclusions having been gotten as follows : higher conversion efficiency of emission have gotten when a / f fluctuates at definite scope and frequency, by controlling the comparing voltage of 02 sensor, the working scope of catalytic converter can be controlled and the matching that can fulfill the high efficiency of hc, co, nox at same time has been optimized

    ( 8 )進行基於所開發的電控補氣系統上的催化器與電控系統的匹配研究,當控制系統調節空燃比在一定范圍按照一定頻率進行波動時,可以提高催化轉化器的轉化效率;通過控制氧傳感器的比較電壓,可以控制催化轉化器的工作窗口,實現排放污染物中, hc 、 co 、 nox轉化的最優匹配。
  9. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面:對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析,並研製了現場所使用的滾動軸承故障檢測裝置,將無量綱參數診斷法應用於段修現場,且做了大量試驗;對于現場試驗中所出現的問題進行了分析,提出將聲發射的方法用於軸承的在線故障診斷;從理論上分析了聲發射現象,從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法,並在實驗室中,採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析,證明了使用聲發射法對軸承故障檢測的可行性和有效性。
  10. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。
  11. Besides, it is also responsible for the feedback of data on the outdoor operations reports as well as the service of turnover periods for overhauling, standards for drift alarm, time limits for emergent repair, efficiency of energy transfer duration for light emission, etc. 4

    它一方面為航標維護管理提供科學、準確的維護計劃,以減少航標生產的盲目性,提高航標維護的效率和效益,另一方面對航標維護過程進行跟蹤和監控,為航標維護管理人員提供決策和管理的科學依據。
  12. The pilot fuel model has been given to calculate the distribution of the liquid fuel and time of fuel pre - combustion, at the same time, analyzing the important action to the combustion of the natural gas in the combustion chamber of engine, determining the best quantity of pilot fuel. the explosive combustion model has been established to compute the pressure of the cylinder during the combustion, determining the main influence factors. the emission model has been established to forecast the co, nox emission

    理論方面,提出了基於化學反應的燃燒模型?多組分氣相反應系統的化學反應動力學模型,以此進行雙燃料發動機的熱力學?化學反應動力計算;引燃油燃燒模型,計算引燃油液滴的分佈規律和滯燃期,驗證引燃油在雙燃料發動機燃燒過程中的作用,揭示不同噴油規律對雙燃料發動機的影響,確定在不同負荷下的合理引燃油量;爆震模型,揭示爆震與工質能量釋放間的關系和影響爆震的各種運轉因素,確定合理的爆震依據,減小爆震傾向。
  13. So in order to meet the more strict emission regulations, it is necessary to quicken the rise of temperature and shorten the light - off time of the monolith

    因此為滿足更嚴格的排放法規,應有針對性地採取措施加快催化轉化器載體的溫升,縮短起燃時間,有效降低發動機的排放。
  14. This demonstrates the feasibility of using grazing emission x - ray fluorescence spectroscopy as a method of studying the thin layer ' s characteristics, such as composition and thickiness etc. with the intimately combining of theoretical, set - up and experimental research, the study on the analysis techniques of grazing emission x - ray fluorescence is developed, and the first set of grazing emission x - ray fluorescence setup is established. at the same time, the angular dependence of the fluorescence intensity with different thickness layer is measured. all the work in this thesis provides the basis for the further researches

    本論文採用理論、裝置和實驗研究密切結合的方式,開展了掠射x射線熒光分析技術研究工作,在國內建立了首臺掠出射x射線熒光光譜分析裝置,並對不同厚度單層和雙層薄膜樣品在掠出射條件下產生的熒光光強與掠射角的對應博士學位論文:掠射x射線熒光分析技術研究關系進行了實驗測定。
  15. Transient electromagnetic methods ( tem ) can be called as time domain electromagnetic methods. the exploration equipments of tem include two units : transmitter and receiver. emission current falls down from i to 0 suddenly when step current passes through the transmitter loop

    瞬變電磁探測需要發射的電流激勵信號要足夠強、功率足夠大,發射電流波形的關斷時間要求比較苛刻,而且發射部分還需提供實時監測發射電流、關斷時間,記錄電流下降沿等功能。
  16. The research result shows that the best fuel delivery advance angle of diesel engine used has been changed ; with the first cylinder as the standard, the deviation of the fuel delivery advance angle between the first cylinder and other cylinder surpasses allowed range ; the smoke emission and fuel consumption can be decreased and delivering fuel to each cylinder at the right time can be assured, through the selection and adaptation of fuel delivery advance angle. the foregoing shows that selection and adaptation of fuel delivery advance angle have practical meaning. it is proposed that strengthening the quality of maintenance and service and retaining the good technical conditions of diesel engine are an available approach of reducing smoke emission

    研究結果表明:使用后柴油機的最佳供油提前角發生了變化;以第一缸為準,其它缸與第一缸之間的供油提前角偏差超出了允許的范圍;實行供油提前角的調配可使各缸在正確的時刻供油,減少排放,降低油耗。這表明實行供油提前角調配,具有一定的實際意義,提出了加強柴油機的維修、保養質量,保持柴油機的良好技術狀況是降低排放的一個可行途徑。
  17. The design of control and communication software : the software realized the communication of the five bouys with the control vessel and the acoustic emission vessel ; it controls the data acquisition system, it restricts the five bouys in the remote instructions from the control vessel and the acoustic emission vessel, and it also transmits the position and time information from dgps, the bearing information of the underwater acoustic construction from a electronic compass of type of tcm2 when in collection period of time

    控制和通信軟體設計:各浮標工作在指揮船和發射船遙控指令內容的約束下,控制和通信軟體實現了浮標與指揮船以及發射船的通信,控制數據採集系統工作,並在採集時段完成gps位置、時間與矢量水聽器方位信息的傳輸。
  18. Motor vehicle emission is one of the major causes of air pollution in hong kong. therefore, the government has been monitoring closely the development of environmentally friendly motor vehicle technologies such that appropriate policies could be formulated at an opportune time to promote the use of environmentally cleaner vehicles among vehicle owners

    汽車排出的廢氣是本港空氣污染的其中一個主要成因,所以政府一直都密切留意環保汽車科技的發展,以便在適當時候制定合適的政策,促使車主採用較環保的汽車。
  19. The peak in the direction of the target normal is consistent with mat of predicted by the resonance absorption and another peak of hot electrons emission in the specular reflection direction is due to the multi - acceleration mechanisms. the hot electrons emission along the back - reflection direction is probably caused by the acceleration of the back - reflection laser, which is for the first time put forward by us

    其中,靶法線方向的超熱電子發射峰與共振吸收( res ~ eabso甲tion )機制所預言的一致;根據理論估算提出激光反射方向的超熱電子發射峰是幾種加速機制共同作用的結果;我們首次提出背反射激光加速超熱電子的新機制,並用此機制解釋了激光背反射方向產生的超熱電子發射峰。
  20. The experimental results are helpful to understand the acceleration mechanisms of the hot electron emission in the interaction of the us - ui laser pulse with plasma. an anisotropy energy distribution of the hot electrons emiaon has been observed for the first time in the experiments. the energy spectrum of hot electrons resulted from the resonance absorption at the direction of target normal is a maxwellian - like distribution

    E11分佈,擬合的超熱電子有效溫度約200kev左右,超熱電子的最大能量約zmev ,加速電子的主導機制是共振吸收機制;反射方向超熱電子的能譜在低能段出現一個局部的平臺( pla1leau ) ,呈現出非類maxwen分佈,這是幾種加熱機制共同作用的結果,其中佔主導地位的是反射激光加速機制。
分享友人