極微質粒 的英文怎麼說
中文拼音 [jíwéizhílì]
極微質粒
英文
miniplasmid-
The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno
研究結果表明: 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化:隨海拔高度上升,機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒,海拔1600m以下出現粘化層;土壤有機質豐富,表層有機碳含量一般在20g kg以上,有機碳含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土壤呈酸性或微酸性,並隨海拔上升, ph值略微降低,酸性增強,海拔2700m以上的土壤多呈鹽基不飽和狀態,表明土壤淋溶作用較強, ph值和鹽基飽和度呈極顯著正相關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ,礦質元素含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。We can see from the photos of the sem that the diameters of the powers of this tree land of materials obtained by the system of trion x - 100 / caprylic alcohol / cyclohexane / water are about 20 nm. by means of uv - vis, atomic absorption spectrometry and so on, nanoparticles of this three kind of anode materials are synthesized
利用trionx - 100 /正辛醇/環己烷/水反膠束體系制備出三種物質的粉體,掃描電子顯微鏡照片顯示粒子的粒徑在20nm左右,分佈均勻;此外還利用uv - vis 、原子吸收光譜等測試手段,都表明合成出了三種正極材料的納米粒子。Several key factors, ultrasonic dispersion, water / organic solvent mixing medium, surfactant, were used and adjusted in order to obtain composite particles with better monodispersity and less organic impurities
在有機介質加入量較小的情況下,極性較小的丙酮更有利於合成單分散性好、粒徑小的磁性復合微球。The big dipper colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill
七星膠體磨工作原理充分動靜磨盤齒形斜面的相對運動而成,其中一個高速旋轉,另一個靜止使物料通過齒形斜面之間的物料受到極大的剪切力和摩擦力,同時又在高頻震動和高速旋渦等復雜力的作用下使物料為流體超微粒粉碎、乳化、分散、均質、攪拌等功能,可代替並優于石磨,砂磨機、球磨機、乳勻機、剪切乳化機、三輥機、組織搗碎機等工作效率。Seven stars colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill
七星膠體磨工作原理充分動靜磨盤齒形斜面的相對運動而成,其中一個高速旋轉,另一個靜止使物料通過齒形斜面之間的物料受到極大的剪切力和摩擦力,同時又在高頻震動和高速旋渦等復雜力的作用下使物料為流體超微粒粉碎、乳化、分散、均質、攪拌、混合等多種功能,可代替並優于石磨,砂磨機、球磨機、乳勻機、剪切乳化機、三輥機、組織搗碎機等工作效率。It is electrically neutral and has only a small mass. they only take part in weak interactions and gravity. since they interact only very weakly with matters, they could pass through almost anything unimpeded
中微子是基本粒子之一,它不帶電荷,質量極小,只參予弱作用及重力,與任何物質只有極微弱的相互作用,因此穿透力極高。Ultra fine gental, natural exfoliants, can remove dead skin cells, nourish and massage the skin. add into soaps or aloe gel / base creams / base oils to make exfoliating cleanser
極微細天然粒子,可除去皮膚老舊角質,滋潤和按摩皮膚。可加在手工皂、蘆薈膠/乳霜/底油作磨砂和按摩。The technology in question contains very tiny silicate particles suspended in a fluid
這一飽受質疑的技術所運用的是許多懸浮在液體中、極其微小的硅酸鹽顆粒。The granular pollutants that exhasted by diesel engine are very small and are very easy for people to inhalate into their bodies
柴油引擎所排放之粒狀污染物是非常微細,且極易被人體吸入的物質。Electrorheological fluids ( er fluids ) is a composite suspension of polarizable solid particles with a radium of u m dispersed in an unpolarizable continuous medium
電流變體是由粒徑為微米或亞微米級的易極化粒子分散於低介電系數的液體絕緣介質中形成的復合懸浮體。In this paper , first, the author drew some important conclusions by analyzing several technical factors and experimental conditions which would have great influence on the quality of diamond thin films during mpcvd process , including gas proportion , the power of microwave , the plasma ' s location, the nucleation technique, etc. finally , the author has successfully deposited nanocrystalline diamond thin films with 300nm crystal particles on the slick surface of silicon by using ch4 / h2 gases in the mpcvd system , and the nanocrystalline diamond thin films was proved to have good field emission performance. all these researches will make the foundation for the field emission cathode of diamond films
本論文中,作者分析了mpcvd方法中氣源成分比、微波功率、等離子體球的位置、成核技術等各種工藝條件對金剛石薄膜質量的影響,並總結得到了一些有意義的結論;同時,在自行研製的mpcvd沉積系統上,於4 - 7kpa 、 1000左右的熱力學條件下,採用ch4 / h2氣源氣氛在光滑的硅襯底上制備出了晶粒尺寸在300納米以下的納米晶金剛石薄膜,測試得到了較好的薄膜場致電子發射性能,為金剛石薄膜場致發射冷陰極的研究工作打下了實驗基礎。The properties of these doped powders, the microstructure and composition of these rare - earth co - doped tungsten matrices and cathodes have been investigated by size analysis, xrd, sem and edax. the electronic emission performances of these cathodes are measured in uhv electron emission surveyor. aes is adopted to analyze the atom composition and diffusion behavior of active elements on cathode surfaces
通過粒度分析、 xrd 、 sem 、 edax研究了摻雜粉末的特性、燒結基體和陰極的微觀結構和成分;用動態真空電子發射測試儀對上述陰極進行了電子發射水平的測試;採用aes對陰極表面原子組成和活性物質的擴散行為進行了研究,分析了陰極發射水平與表面原子組成的關系。The evolution on particle morphology, microstructure, grain size and microstrain of the mixture of ti and al elemental powders during mm has been investigated. it was found that the nanocrystalline composite powders with extremely fine ti / al alternative lamellar structure ( lamella spacing about 0. 1 ~ 0. 5 m ) could be prepared by mm using proper processing parameters
研究了ti 、 al單質元素混合粉在機械球磨過程中的顆粒形貌特徵、組織結構、晶粒尺寸以及微觀應變的變化規律,表明在適當的球磨工藝條件下可獲得具有極細層片間距( 0 . 1 ~ 0 . 5 m )的納米晶ti / al機械復合粉。At first, the vrl - cdna plasmids were transformed into tg1 r. coli to enlarge vrl - cdna ; then the plasmids were extracted and cut off with enzymes ; subsequently, vrl - cdnas were transcribed into vrl - inrna by t7 or sp6 polymerase in vitro, following vrl - mrnas were injected into xenopus laevis oocyte to express into vr1 receptor protein ; at the end the vrl + - oocytes were tested by double electode voltage clamp
這項實驗中,我們首先將大白鼠vr1 - cdna質粒轉入大腸桿菌中進行擴增,然後提取質粒並酶切,然後在體外轉錄成vr1 - mrna ,接著將vr1 - mrna注射到非洲爪蟾卵母細胞中表達為蛋白質受體,建立了實驗模型細胞,最後用雙微電極電壓鉗檢測此模型細胞。分享友人