tem study 中文意思是什麼

tem study 解釋
透射電子顯微鏡分析
  • tem : 登
  • study : n 1 用功,勤學;〈常 pl 〉學習;研究 (of); 研究對象;研究項目;值得研究的問題;學問,學業,學科...
  1. Study on interphase chromatin in some animal species by tem

    幾種動物間期核染色質的電鏡研究
  2. In this paper, the comparison of spermatogenesis and spermatozoal ultrastructures of four species of decapoda were investigated by electron microscopy ( tem ). we had tried to find structural variaton between the four species during their spermatogenesis. from this comparison study, we can pursue the evolution route of the four decapods

    本論文採用透射電鏡技術比較研究十足目( decapoda )物種浙江華溪蟹( sinopotamonchekiangense ) 、三疣梭子蟹( portunus , trituberculatus ) 、脊尾白蝦( exopalarmoncarinicandaholthuis )及羅氏沼蝦( macrobrachiumrosenbergii )的精子發生和精子結構。
  3. 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。
  4. Abstract : in our study, we observed the clinical manifestations of 15tetramethylenedisulfotetramine ( tem ) toxicosis emergency patients diagnosed by plasma toxin chemical analysis, and evaluated the effect of emergency treatments

    文摘:觀察了15例經血中毒物定性分析確定為毒鼠強中毒的急診病人的臨床癥狀,並分析了各種急診處理的療效。
  5. Three dimensional geologic body forward is a highlight of tem study

    三維地質體的正演是瞬變電磁法研究的一個熱點。
  6. The preparation of gold nanoparticles and the study of their surface plasmon resonance we had preparated gold nanoparticles of different size through two - step approach, one - step approach and seeding growth approach. uv - vis image and tem image indicated that surface plasmon resonance absorbance had a red shift with the argument of the sizeof the gold nanoparticles. 2

    金納米粒子的制備及其表面等離子共振吸收特徵我們分別用兩步法、一步法和晶種法三種不同的方法制備了小、中、大三種不同粒徑的金納米顆粒,用紫外可見吸收光譜和透射電子顯微鏡進行表徵。
  7. It is found, through further study on the water temperature distribution in the high flow year, the low flow year and the cold year, that the influences of discharge and weather are limited on the water tem

    又就豐水年、枯水年和低氣溫年的水溫分佈作的進一步研究發現,水量和氣象條件對大型深水溫結構影響有限,其水溫結構具有較強的穩定性。
  8. The approaches used in the study included : observing the microstructure and ultrastructure of the cell line of colossoma brachypomum ( cbt ) and the cell line of carp ( cp ) stressed low temperatures under fluoroscopy and tem ; analysis of dna damage in the cultured cells under temperatures stress by dna gel electrophoresis

    本研究採用的主要實驗方法:通過熒光顯微觀察、電鏡超微結構觀察確定cbt (淡水白鯧臀鰭細胞)和cp (草魚胚胎細胞)在低溫處理后的顯微與超微結構的變化。應用dna電泳分析細胞dna在低溫處理后的斷裂現象。
  9. Study on detection method of early signal in tem

    瞬變電磁勘探中早期信號的檢測方法研究
  10. The techniques of preparing film buffer layers on si were studied. the sem, tem and xrd were adopted to study the crystal structure of films. the influences of buffer layers, substrate and heat treatment condition on the crystal structure and performance of the ybco films were discussed

    進一步用掃描電鏡、透射電鏡和x射線衍射儀研究了薄膜組織結構和結晶情況,分析了緩沖層和襯底對ybco薄膜制備的影響、以及不同熱處理條件對薄膜結晶結構及性能的影響。
  11. Study on the optical properties of transparent epoxy / clay nanocomposites a new type transparent epoxy based nanocomposites has been prepared by the reaction of alkylammonium exchanged montmorillonite ( amt ) with diglycidyl ether of bisphenol a ( dgeba ) and triethylamine as the curing agent. the morphology of amt in the epoxy matrix was characterized with x - ray diffraction ( xrd ), scanning electron microscopy ( sem ) and transmission electron microscopy ( tem )

    光學透明環氧樹脂粘土納米復合材料光學性能採用十八烷基伯胺鹽、十六烷基三甲基溴化胺處理na基蒙脫土製備出兩種不同的有機土,以三乙胺為固化劑,有機土與雙酚a型環氧樹脂熔融插層聚合后制備出剝離型和插層型兩種結構的環氧樹脂粘土納米復合材料。
  12. Tem study on the precipitations of 09cuptire sheet steel

    鋼板中析出物的透射電鏡研究
  13. In this project we use etching method x - ray transmission and tem observe and study the form mechanism of cell structure and linear structure ; use sem observe cell structure directly and evaluate effect to the electrical properties of substrate ; at last, use high resolution tem and eds to observe and identify the nature of microdefects

    發現幾乎所有高位錯密度的si - gaas單晶的表層都具有網路狀胞狀結構或系屬結構,首次對該胞狀結構和系屬結構的形成機制進行了研究;直接觀察微缺陷,配合eds (能量色散譜)鑒定si - gaas中微缺陷的物理本質,同時分析其產生原因,討論與位錯的相互作用。
  14. Abstract : we have investigated the ultrastructural changes of the biopsied muscle specimens from 8 cases of metabolic myopathies including 3 cases of glycogenosis, 2 cases of lipid storage myopathy and 3 cases of mitochondria myopathy. diagnosis and differential diagnosis with tem for metabolic myopathy as well as the significance of some ultrastructural changes were discussed in this study

    文摘:本文對3例糖原累積病, 2例脂質沉積性肌病和3例線粒體肌病共8例代謝性肌病肌活檢標本的超微病理改變進行了觀察分析,對代謝性肌病的超微病理診斷、鑒別診斷以及某些病理改變的診斷意義進行了初步探討。
  15. In this study, the preparing processes of zro2 - ni nanocrystalline composite powder aremixing the nickel salt, zirconium salt and stabilizer, solvent ( distilled water ) together to prepare the mixing solution according to certain ratio ; commingling the mixing solution, coordination solution of carboxylic ammonia, intrusion aid in accordance with certain rate to form sol, drying the sol and turning it into gel, pre - sintering the gel to get the zro2 - nio powder and gaining zro2 - ni nanocrystalline composite powder by reducing the zro2 - nio powder. xrd, x - ray wide - angle diffractometer, bet, sem, tem, hrtem analyses are used to study the zro2 - ni nanocrystalline composite powder and zro2 - ni cermet. the sintering temperature is determined

    本研究的zro _ 2 - ni納米復合粉末的制備方法如下:將鎳鹽、鋯鹽、穩定劑和溶劑(水)按所需成分配成混合溶液,再將混合溶液、外加劑和氨羧絡合劑按比例混合形成溶膠,溶膠經乾燥成為凝膠,凝膠經預燒得到zro _ 2 - nio納米粉,將該氧化物粉還原得到zro _ 2 - ni納米復合粉。
  16. Based on the theoretical analysis and experimental study, the influence of technological conditions on the properties of product was systematically investigated by modern analytical methods of bet, xrd, sem, icp, tem, tga - dta and so on

    通過bet 、 xrd 、 sem 、 icp 、 tem 、 tga - dta 、粒度分析等分析測試手段,系統地考察了不同工藝條件對鋰錳氧化物的結構、物相等特徵的影響。
  17. Design and experiment study of coaxial fin - inserted tem - te11 mode converter

    11模式轉換器的設計與實驗研究
  18. In attempt to prepare and study the novel electrically conductive nanocomposites, with polyethylene ( pe ) served as the matrix, maleic anhydride grafted polyethylene ( gpe ) served as eg intercalates and expanded graphite ( eg ) served as a conductive filler, prepared gpe / eg, pe / gpe / eg electrically conductive composites via solution intercalation ( si ), direct melt mixing ( dmm ) and master batch melt mixing ( mmm ) methods. by means of testing conductivity and mechanical property, with the measures of tem, sem, om, xrd and dsc, studied the relationship between preparation method, material composition, and electrically conductive as well as mechanical property. the main outcomes never reported at home and abroad literature were obtained as follows : 1 the gpe / eg electrically conductive nanocomposites were prepared via si method

    本論文以制備和研究新型高分子導電納米復合材料為目的,以聚乙烯( pe )為基體,馬來酸酐接枝聚乙烯( gpe )為插層劑,膨脹石墨( eg )為導電填料,採用溶液插層( si )法、直接熔體混合( dmm )法和兩者相結合的熔體母料混合( mmm )法制備了gpe eg 、 pe gpe eg導電復合材料,通過電導率和力學性能測試,運用tem 、 sem 、 om 、 xrd和dsc等手段,研究了制備方法、材料組成、形態結構和導電性能及力學性能之間的關系,得到以下未見國內外文獻報道的研究結果: 1採用si法成功制備了gpe eg導電納米復合材料,其導電逾滲閥值( _ c )為1 . 59vol ,遠低於dmm法制得gpe eg常規復合材料的_ c ( 3 . 13vol ) 。
  19. First of all, every heat treated sample were analyzed by using optical microscope ( om ). sequently x radio diffraction ( xrd ) was used to study the original sample. we also studied the microhardness of the sample which were quenched in water and aged at different temperature. further more, the original sample was analyzed by using transmission electricity microscope ( tem )

    首先,對各熱處理態試樣進行了金相( om )分析,並對原始樣進行了x射線衍射( xrd )分析,接著測試了水淬試樣在不同時效時間的顯微硬度,還制備了原始樣的電鏡試樣,並用透射電鏡( tem )進行了觀察和分析。
  20. Tem analysis indicated that the reactive plasma sprayed tin was composed of nano - scaled crystal grains ranging from 50 ~ 70nm ; and the high resolution tem study illustrates the existence of the amorphous matter, and that the nano - scaled crystal grains are enclosed by the amorphous matter

    Tem分析表明,塗層由直徑50 70nm之間的納米晶構成;高分辨觀察說明, tin塗層中的納米微晶是被非晶包圍著的,納米晶之間為小角度晶界。
分享友人