射電對應體 的英文怎麼說
中文拼音 [shèdiànduìyīngtǐ]
射電對應體
英文
radio counterpart- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 體 : 體構詞成分。
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However, the advance of intracellular labeling techniques enables us not only to visualize more complete dendritic arbor for qualitative analysis, but also to examine the relation between changes in the dendritic arborization and the evoked fast postsynaptic curents - 3 - ( fpscs ) in the same neurons during the postnatal development the aim of this study was to systematically examine the postnatal changes in the configuration of fpscs evoked by the focal stimulation of the stratum radiatum of the ca1 region, and the relationship between the dendritic arborization and evoked fpscs in the rat hippocampal ca1 pyramidal neurons using whole - cell blind patch recording technique combined with biocytin intracellular labeling during the postnatal development ( postnatal day 2 - 70, p2 - p70 )
但是,細胞內染色技術的進步使我們不僅能觀察到更完整的樹突分支來用於定性研究,而且也可以在同一神經元上研究在發育過程中樹突分支的變化與誘發的快突觸后電流( fastpostsynapticcurrents , fpscs )之間的關系。因此,本研究應用盲法腦片膜片鉗記錄並結合biocytin細胞內染色方法,對發育過程中(生后2 70天)局部刺激大鼠海馬ca1區輻射層在錐體神經元誘發的fpscs的成分變化,以及ca1錐體神經元的樹突分支與誘發的fpscs的關系進行了較為系統的研究。Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time
隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。First, a simple discussion for the mechanism about electrostatic atomization of the liquids has been given ; then the paper theoretically analyzed waving course, liquid drop producing course, and the liquid drop diffusing course in electrostatics atomization process., gave an analysis about the methods about carrying charges to the liquid drop, and analyzed that liquid with high electrical conductivity can be carried charges and atomized by electric field, while the isolated liquid with low electrical conductivity can be charged fully with the soakage electrode and inducing charge methods. at last the paper designed and configured the experimental equipment, conducted the atomization experiment to the three liquid medium - kerosene, emulsifier and alcohol under the same environment, handled the experimental results, then summarized the relationship between liquid electrostatic atomization effect and liquid surface tension, electronic conductivity and viscosity, along with the influence of voltage to electrostatic atomization and so on, found out the liquid atomization rule in high voltage electrostatic field
首先,對液體介質的靜電霧化機理作了初步的探討,理論上分析了液體霧化過程中射流區、波紋區、霧滴區和霧滴擴散區;然後對液體荷電方法進行了研究分析,對于高電導率的液體,場致荷電和接觸荷電可以使其霧化,而對于電導率較低的絕緣液體,需用浸潤電極荷電和感應荷電方法使其充分帶電;最後,根據前面的研究分析,設計和組裝試驗裝置,在同一環境下對煤油、乳化劑、酒精三種不同液體介質進行高壓靜電霧化試驗,並對試驗結果進行分析處理,總結出液體靜電霧化與液體表面張力、電導率和粘度的關系及電壓對液體靜電霧化的影響等,得出高壓靜電場中液體霧化的一般規律。By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent
最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。Two other effects are transient phenomenon called single event upset ( seu ) and single event latchup ( sel ). in this paper, some means to harden the devices against these phenomena are used. guard banding around nmos and pmos transistors greatly reduces the susceptibility of cmos circuits to lachup
在本文設計中,採用雙環保護結構,大大的降低了cmos集成電路對單粒子閂鎖效應的敏感性;對nmos管採用環型柵結構代替傳統的雙邊器件結構,消除了輻射感生邊緣寄生晶體管漏電效應;採用附加晶體管的冗餘鎖存結構,減輕了單粒子翻轉效應的影響。The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "
認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的;隨激光能量的增加, cu等離子體特徵輻射(分立譜) 、連續背景輻射(連續譜) 、電子溫度都出現最大值;結合對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值;背景氣壓對激光燒蝕等離子體譜線的影響,其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。In this experiment, by methods of transmission electron microscopy, effects of low dosage of cd2 + ( 1. 87mg / l ) on the ultrastructure of muscular cells in male crabs at the different times were studied from september to november in 2001. in the experiment, male crabs were bought from aquatic product market in taiyuan and raised in laboratory for more a weed before treatment
體外暴露鎘對長江華溪蟹肌肉組織細胞超微結構的影響應用透射電鏡技術,於2001年9 10月,研究了鎘處理后5d 、 15d 、 30d時對長江華溪蟹( sinopotamonyangtsekiense )肌肉細胞超微結構的影響。On the basis of this theory, the applications of the sdr structure of wideband and bandpass sampling in if ( intermediate frequency ) in flight test were offered : increase the sampling in if ( intermediate frequency ) in flight test were offered : increase the capacity of the transmitter and the terminal receiver channels without changing the apparatus of original system and on the conditions of obeying the standard remote sensing
首先對軟體無線電的組成結構和飛行測試中實際使用的通道進行了闡述,在此基礎上提出了基於寬帶中頻帶通采樣軟體無線電結構在飛行遙測測試中的應用,在不改變原系統設備的情況下,在遵守遙測標準的前提下,提出增加機載發射機和接收機通道容量的設計方案。This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode. the detector and the monochromator of one spectrum measurement system had been calibrated using the method, and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured. the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration
本文研究了一種利用光電二極體傳遞標準探測器標定普通探測器和單色儀系統的方法,實際標定了所用的探測器和單色儀系統,測得了噴氣靶激光等離子體光源的相對光譜分佈,設計出絕對光譜分佈的測量方法,並且利用labview的g語言及相應的數據採集卡等硬體設備構造出一套智能化、高效率的測量系統,完成了多層膜反射率測量工作。According to the principle of a new scanning electron microscope and the mechanism of the interaction between electron beam and solid target, the trajectories of an incident electron in a sample are simulated, a simulation program is compiled using the monte carlo method, and the backscattering coefficients corresponding to different parameters of the sem are obtained
摘要根據新型分析掃描電子顯微鏡的工作原理及載能電子束和固體相互作用原理,利用蒙特卡羅方法模擬入射電子和靶物質的相互作用過程,編制了蒙特卡羅模擬計算程序,獲得了對應不同電鏡工作參數的入射電子背散射率。Jh30 and jh20 belong to low power physiotherapy. it is a kind of photochemical action in laser irradiating and beam needle. it has the advantage of no pain, no infect, no forbidden acupuncture point and convenience
氦氖激光可對人體產生熱效應,電磁效應,光化學效應,具有止痛消炎活血化瘀,疏調經絡,照射人體血液,可降低血液粘度,改善微循環等作用。The lung tissue for immunohistochemitry and laser scanning confocal microscopy were fixed and embedded. the morphological alteration of pulmonary neuroendocrine cells which stain for calcitonin gene - related peptide ( cgrp ), serotonin ( s - ht ) and luteinizing hormone ( lh ) were studied. the results of these were dealed with computer image analysis and statistical treatment
肺組織取材后經固定、梯度酒精脫水、包埋、連續切片后,應用免疫組織化學方法、透射電鏡及激光掃描共聚焦技術觀察了降鈣素基因相關肽( cgrp ) 、五羥色胺( 5 - ht ) 、黃體生成素( lh )陽性細胞的隨齡變化,並對實驗結果進行了計算機圖像分析和統計學處理。Effective generation of thz wave is a basic issue in experiments evolving thz radiation. scientists have studied different electro - optic crystals as a thz waves emitter, and they found that the znte crystal is the best for thz wave generation
國際上,許多科學家對大量電光晶體產生和探測thz輻射進行了研究,發現znte電光晶體作為thz脈沖產生和探測材料,其總體性能優于其他電光晶體,目前在thz輻射實驗中應用得最廣泛。Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established
鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式;研究得到了減反射膜對太陽電池短路電流增量比的極限;建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。In this paper, the property difference of sio2 sols used for preparing thin films by esam method or sol - gel process has been discussed. three kinds of sio2 sols were prepared, catalyzed by hcl or nh3 h2o only, or hcl first and then nh3 h2o respectively ( please note : in following text, the sio2 sol catalyzed by hc1 first and then nh3 h2o and its correspondent films will be named sio2 sol 1 # and film 1 ; the sio2 sol catalyzed by nh3 h2o only and its correspondent films will be named sio2 sol 2 # and film 2 # ). through investigating the assembling properties of the sols, observing thin films " microscopic structure with tem and testing their transmissivity with 721 spectrophotometer, we find that the first kind of sol is not suitable for preparing esam films, but the last two, i. e. sol 1 # and sol 2 #, are good
本文討論了esam法制備薄膜所用的溶膠與sol - gel法所用的溶膠在性能上的區別,在hc1或nh _ ? h _ 2o分別單獨催化和hc1 nh _ 3 ? h _ 2o分步催化三種催化條件下制備了sio _ 2溶膠(以下規定hc1 nh _ 3 ? h _ 2o分步催化的sio _ 2溶膠為1 ~ #溶膠,相應的薄膜為1 ~ #薄膜, nh _ 3 ? h _ 2o催化的sio _ 2溶膠為2 ~ #溶膠、相應的薄膜為2 ~ #薄膜) ,在通過組裝薄膜並用透射電鏡( tem )觀察薄膜微觀結構以及用721分光光度計測試樣品的光透射率,得出了后兩種催化方法所制備的溶膠適合於esam法鍍膜,而第一種溶膠不適于用此法鍍膜的結論,用傅立葉紅外光譜( ft - ir )研究了溶膠組成;用差熱失重分析儀( dta - tg )對膠體進行了熱分析。The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,
用fdtd方法並結合pml吸收邊界條件,我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁(光子)晶體貼片天線的性能進行了研究,結果證明加了這種新的電磁晶體覆層結構以後,天線的波束收攏很多,並且向前輻射的增益大大提高,與普通天線相比,天線的e面和h面方向圖上向前輻射的增益均提高了約6db ,另外,該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ,與該物理尺寸天線的方向性系數的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ,比qiu等人設計的電磁晶體天線的相應差值減少了約1At the same time, we improved a two - stroke fueled engine 1e40fm into the one also using the direct injection of liquid petrol gas. the electronic control system is developed whose core is m68hc11 single - chip computer which is produced by motorola ltd., and matched by other electronically - controlled circuits
開發了以motorola公司生產的8位增強單片機m68hc11為核心,配以相應的外部電路構成摩托車發動機單片機控制系統,並以一臺二沖程1e40fm型化油器式汽油機為對象,將其改造為汽油、電控氣體噴射兩用發動機。In our experiments, the morphological alterations of testis microvascular architecture, enos distribution and blood - testis barrier at different ages had been observed by microvascular corrosion casting technique, sem, tem, immunohistochemical method and morphometry. these results were not only theoretically important but also practically valuable in physiology, pathology, aging biology, morphology and so on
本文採用血管鑄型、掃描電鏡、透射電鏡、免疫組化及體視學分析等方法對不同年齡大鼠睪丸微血管構築、 enos分佈及血睪屏障的變化進行了系統的研究,以期為睪丸生理、病理學、老年生物學和臨床應用提供理論、形態學及動物實驗方面的依據。The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time
Ktp晶體的電光應用試驗表明:用離子交換法製作的電光波導,其離子交換濃度、折射率變化符合餘弦誤差函數,光學均勻性以及器件的溫度穩定性較好;製作的強度調制電光開關,消光比為150 : 1 ,對1064nm激光的插入損耗為2 . 5 ;製作的電光調制器用於激光脈沖整形試驗,從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖,該電光開關經過長達三年多的使用,沒有出現晶體變黑現象,說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。This research has closed relationship with a wide range of cross - science areas, such as basic research on cancer therapy by heavy ion radiation method, radiation danger level evaluation in space and biological damage induced by long term, low - level dose radiation environment, etc. dna is the carrier of biological information and the main target of biological effects induced by ionizing radiations
從重離子治癌的基礎性和先導性的研究,載人航天飛行過程中的太空輻射危險性評估,到長期在低劑量輻照環境下的放射性對機體損傷等等,都與電離輻射所致生物損傷的研究有著密切的關系。 dna (脫氧核糖核酸)是生命信息的載體,也是輻射生物效應的最主要的靶分子。分享友人