顯微組分變種 的英文怎麼說
中文拼音 [xiǎnwéizǔfēnbiànzhǒng]
顯微組分變種
英文
maceral variety- 顯 : Ⅰ形容詞1 (明顯) apparent; obvious; noticeable; evident 2 (有名聲有權勢的) illustrious and inf...
- 組 : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 種 : 種名詞(姓氏) a surname
- 顯微 : microadiography
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Cyclic pressing is a new kind of densification processing, which is introduced to densify as - deposited ring of al - 20 % si / sicp. this paper includes the densification result and rule of this technics. the research shows that this technics can be successfully used to densify spray - forming porous material and can be availably adopted to improve mechanical performance and microstructure. this technics is characterized by simple equipment 、 small expense and flexible process, and these characters will make it come true to producing spray - deposited rings less costly
本文採用一種新型緻密化工藝?楔壓工藝?對噴射沉積al - 20 % si / sicp大環進行了緻密化加工,採用密度硬度分佈、抗拉強度變化和檢測顯微組織變化的實驗研究方法對其緻密化效果及該工藝規律進行了研究,通過研究表明了楔壓工藝可以成功地用來緻密化噴射沉積多孔材料,該工藝有效地提高了噴射沉積大環件的緻密度和抗拉強度並改善了組織。The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine
用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌:用xrd進行原料物相分析,及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度;用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性;用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化;用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試;採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定;用萊次偏光顯微鏡( pm )測試固體潤滑劑的硬度;用材料試驗機測試固體潤滑劑的抗壓強度等。Fouriertransformation infro - red microspectroscopy micro - ftir technique was used to investigate the chemical compositions and structures of cutinite, vitrinite and fusinite from jurassic coals in tarim basin at different temperatures. the results show that the chemical structure of cutinite is mainly composed of long aliphatic - side chain with minor amounts of aromatic compounds. vitrinite is mostly composed of aromatic compounds, in addition to large amount of short aliphatic - side chain compounds. whereas fusinite are dominant by aromatic structure. the study indicates that cutinite is one of the best oil source - rocks, with the higher hydrocarbon - generation potential ; vitrinite is one of better gas source - rocks, and has medium hydrocarbon - generating potential ; fusinite has little hydrocarbon - generating potential. in addition, the components of aliphatic structures of cutinite, vitrinite and fusinite decrease, the aromatics are enriched and condensation of aromatic structure increases with increasing the temperature, and along with the rise of temperatures, the intensity of aliphatic structure and heteroatomic compounds decrease obviously, however the aromatic structure changes a little
應用顯微紅外光譜技術,對塔里木盆地侏羅紀煤中有代表性的3種組分角質體鏡質體絲質體在不同熱模擬溫度下的結構組成變化特徵進行了研究,結果表明:角質體結構組成中含有較豐富的長鏈脂族結構,而芳香結構和含氧官能團的含量則相對較少與此相反,絲質體結構組成中芳香烴占絕對優勢,而脂族結構含量則很少鏡質體結構組成介於角質體和絲質體之間,含有較多的短鏈脂族結構和芳香結構。This research has studied the microstructure of cathode materials systematically by the means of high resolution transmission electron microscopy and scanning electron microscopy, surveyed the electron emission performance of la2o3, - mo, la2o3 - y2o3 - mo, la2o3 - sc2c > 3 - mo cathode with the self - designed electron emission surveyor and analyzed the elements changing of the surface of mo - la2o3 - sc2c > 3 cathode in - situ. while it was heated to different temperature. at last, the relationship of the microstructure of cathode, diffusion of active matter and electron emission performances has been discussed
本研究採用高分辨掃描電鏡、透射電鏡對稀土鉬鎢陰極材料的顯微結構進行了系統研究;利用本課題研究組設計研製的電子發射測量儀對la2o3 - mo , la2o3 - sc2o3 - mo , la2o3 ? y2o3 - mo三種陰極(以下稱鑭?鉬陰極、鑭鈧?鉬陰極、鑭釔?鉬陰極)的發射性能進行了測量;利用經改造后的俄歇電子能譜儀「原位」分析了發射性能較好的鑭鈧鉬陰極在不同溫度下表面活性元素的變化情況。According to structural characteristics of multi - phased alloy steels and the properties of ultrasonic propagation, microstructures characterization with different heat treatment processes ( normalizing, quenching / annealing, quenching plus low tempering, quenching plus high tempering ) for three steels ( 40cr, 38crmoal, gcrlssimn ) was studied experimentally by using ultrasonic methods. ultrasonic velocity, relative attenuation coefficient, and power spectral analyses were researched on the same samples respectively, on the basis of theory and experiment, the sensitivity and other characterizations of the three methods used to distinguish different microstructures were compared
根據具有多種相結構合金鋼不同熱處理轉變產物的組織特點,以及超聲波在其中的傳播規律,利用超聲波速度、相對衰減系數以及功率譜分析三種方法,對三種鋼( 40cr 、 38crmoal及gcr15simn )不同熱處理(正火、淬火退火、淬火+低溫回火及淬火+高溫回火)轉變產物的顯微組織進行了超聲表徵研究。( 3 ) there are many flaws in direct laser metal sintering, such as the high remnants stress, micro - hole and micro - crack in sintering parts. in order to solving those problems, the programming of scanning paths is put forward, and several parts are prepared with different scanning paths respectively. the following conclusion is educed : the parts produced with short - side scanning path and same scanning direction have the minimum structure, the rigidity of parts prepared by short - side and same direction scanning path is highest, and the density of parts produced with the vertical scanning path is maximal
( 3 )針對採用大功率激光直接燒結鎳基高溫合金成形金屬零件存在的問題,如較大的殘余應力,製件中存在著微裂紋、微孔洞等缺陷,初步提出掃描路徑的規劃,並採用幾種不同的掃描方式進行燒結試驗,發現採用短邊掃描路徑和同向掃描能夠獲得更加細小和分佈均勻的組織結構,採用短邊同向路徑制備的試樣其顯微硬度最高,而採用變向掃描(垂直)路徑制備的試樣緻密性最好。The experiments produced respectively al clad plate by impact & cold press methods under normal temperature. this paper studied the rules of sawtooth distortion, inspected the fibre structure and bond strength of samples, found technics parameters of produce clad plate and analyzed their infections on bond strength
分別利用沖擊法和靜壓法在常溫下制備了覆al復合鋼板,研究了這兩種復合鋼板的鋸齒變形規律,檢測界面顯微組織和結合強度,找到制備復合鋼板的工藝參數,並分析其對復合鋼板結合的影響。The topography and the nano - mechanical property of the sample before and after self - assembly was characterized by afm, and the factor attributed to the change was analyzed. based on the above conclusion, the nano - mechanical property of the sample fabricated with the technology based on the scratch of afm microprobe combining traditional self - assembly method was analyzed. it was proved that this method could carry out controllable self - assembly on silicon surface ; finally, the nano - mechanical property of the sample fabricated with the technology based on the cutting of diamond tool was measured, and this method was proved to be a quick and convenient mean that could carry out controllable self - assembly on silicon surface according to the nano - mechanical property of the samples fabricated by the two method before
之後利用原子力顯微鏡對組裝前後的樣品進行了表面形貌和納米機械性能的表徵,分析了可能導致其變化的原因;藉助所得的結論,對基於原子力顯微鏡微探針的刻劃與傳統自組裝方法相結合的自組裝加工技術所制備的樣品進行了納米機械性能的分析,證明這種方法能夠實現硅基底上的可控自組裝;最後,對基於金剛石刀具切削的自組裝加工技術所制備樣品的納米機械性能進行了檢測,通過和前兩種方法制備的自組裝結構的納米機械性能進行對照,證明這種方法可以方便快捷的實現硅基底上的可控自組裝,從而實現「割草種花」的構想。Abstract : in experimental conditions, simulating reducing atmosphere in blast furnace, the samples of al2o3 - c brick is heated at high temperature. the microscopic structure of al2o3 - c brick is observed by scanning electric telescope before and after heating and compressive strength and rupture strength are measured. on the base of them, the reason resulting in the changes is analyzed
文摘:在實驗室條件下模擬高爐還原氣氛高溫處理鋁碳磚試樣,觀察處理前、后鋁碳磚的顯微組織形貌的變化,並測定其抗壓、抗折強度,分析引起這種組織變化的原因In order to accomplish the main targets, the following jobs were done : the annealing of ct20 alloy tube at 6 different temperatures was carried out and the specimens with different microstructure were tested at room temperature ( rt ) and 20k. the tensile fractures were analyzed by means of sem and tem. the c t20a alloy specimens with 3 kind of oxygen equivalent ( oeq ) were prepared, and the tensile properties at rt and 20k, the impact toughness at rt and 77k were tested
為了研究顯微組織和間隙元素含量變化對兩種合金低溫塑韌性的影響,研究中主要作了如下工作:對ct20合金管材進行了六種溫度的退火處理,測試了不同組織試樣的室溫和20k拉伸性能,對拉伸試樣取樣進行sem和tem分析;制備出了ct20a合金三種氧當量實驗樣品,測試了相應試樣的室溫和20k拉伸性能以及室溫和77k沖擊性能,並取樣進行sem和tem分析;在以上工作的基礎上,對近鈦合金的低溫塑韌性機理進行了探討。分享友人