顆粒分析作用 的英文怎麼說

中文拼音 [fēnzuòyòng]
顆粒分析作用 英文
gradation
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  • : 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
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
  1. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    xrd 、 bet 、 icp 、激光及電化學性能測試等方法,對國內外多種典型石墨樣品的結構與性能進行比較,研究石墨材料的來源、晶體結構、雜質含量、大小、比表面積等因素對其充放電性能的影響,確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  2. Pilsenite is a rare mineral and its information is deficient. the first found pilsenite in china is in gaozhuang, henan province. pilsenite, associated with pyrrhotite, pyrite, hessite, gold, produced in pyrrhotite - polymetallic stage. three bismuth - tellurides produced in gaozhuang are well concordant with the standard pilsenite in composition, and other three are different from any of known bismuth - tellurium minerals. single crystal diffraction were made on a larger mineral grain of pilsenite. au growth and decline together with bi and te in ores and wall - rocks, which suggests that bi and te play a important role in migration and enrichment of au

    經電子探針,高莊金礦有多種鉍碲化物,有三礦物的成與標準葉碲鉍礦完全一致。對一較大的葉碲鉍礦做了單晶x射線衍射。 au與bi在礦石和圍巖中的含量呈共消長關系, te與bi可能對au ag的遷移富集起了重要
  3. This paper emphasizes the effect of the dissolution of aluminosilicate during diagenesis may provide more radiogenic strontium which would result in a high content of strontium in carbonate rocks. so we should avoid the vein of carbonate and select the samples with less terrigenous clastic, less grain content and lacking calcite cementation collected as analysis samples. the microcrystalline limestone and micro - to fine - crystalline dolomite are rather fairly whole rock samples

    者還強調了成巖過程中由長石等鋁硅酸鹽溶解提供殼源sr所造成的碳酸鹽礦物成巖蝕變可能表現為較高的sr含量;因此,在全巖樣品進行旨在反映海水組成的各種時,應迴避碳酸鹽脈,選擇含陸源碎屑低、數量少、缺乏方解石膠結物的樣品,微晶灰巖或微?粉晶白雲巖是較為理想的全巖樣品。
  4. Here we report that growth cones of rat cerebellar axons in culture turned away from a gradient of sdf - 1, a chemokine that attracts migrating leukocytes and cerebellar granule cells via a g protein - coupled receptor ( gpcr )

    以前的證據表明, sdf - 1 ,一種經典的chemokine ,能夠吸引白細胞和遷移中的神經元,這種是通過g蛋白耦聯受體介導的。利生長錐轉向,我們發現sdf - 1的濃度梯度能夠吸引或排斥培養的小腦細胞的生長錐。
  5. We introduce the fabrication of all samples and anneal of fexcu ( 1 - x ) granular film in detail. the configuration of granule film is investigated by scanning tunneling microscope ( stm ). the matter phase is analyzed by x - ray diffraction ( xrd ). the hysteresis loop of co / al2o3 / feni magnetic tunnel junction is studied by vibrating sample magnetometer ( vsm ). we use microresistance test system ( mts ) to investigate the character of resistance, conductance, voltage and current

    掃描電子顯微鏡( stm )觀察膜樣品的表面形貌;x ?射線衍射儀( xrd )對膜樣品進行物相振動樣品磁強計( vsm )對co al _ 2o _ 3 feni隧道結的磁滯回線了研究;微電阻測試系統對樣品電阻、電導、電流、電壓相關特性進行詳細的研究。
  6. Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information

    本文的研究工主要包括以下五個部:首先,介紹航空發動機常見的磨損故障類型,研究磨損故障的失效機理,的產生機理、類以及形態特徵:其次,針對傳統鐵譜技術的缺點,引入圖像技術,再結合特徵參數優化篩選,形成基於圖像的磨顯微形態學特徵描述方法:然後,基於提取到的磨形態特徵信息,應模式識別方法完成磨自動識別,並根據摩擦學的基本原理進行航空發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航空發動機滑油光譜與鐵譜數據,應時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。
  7. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    透光率脈動檢測技術和光散射儀( pda ) ,通過理論,將pda的輸出信號之一? ?平均透光強度(對應于dc值)為原水的特性表徵參數, dc值可以同時反映濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  8. In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied

    研究路線為:選納米級al _ 2o _ 3陶瓷為增強相,在超聲波的環境中化學鍍的方法完成對納米al _ 2o _ 3陶瓷表面的金屬銅包覆,採熱壓燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷增強銅基復合材料,研究復合材料的成、組織結構、硬度以及緻密度,對試樣進行了干滑動摩擦磨損實驗。
  9. Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd

    本文採原位反應法制備了cu -納米tib _ 2原位復合材料,在此基礎上了原位復合材料的微結構,進行了干滑動摩擦磨損和電接觸滑動磨損實驗,完成的主要工如下:從熱力學的角度出發,了陶瓷tib _ 2在銅基體中原位生成的熱力學條件,並電解銅、工業純鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反應溫度、反應時間和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。
  10. Then, the relationship between effect of cement content on the structural formation and the increase of the strengths of the stabilized soils with various cement contents was analyzed, and it was shown that the structural formation of stabilized soil consisted of soil particle cementing and pore filling

    在此基礎上,對水泥含量不同時,水泥在固化土結構形成過程中所起不同及其與水泥土抗壓強度增長規律相互關系進行了,提出固化土結構形成由固化劑膠結土與填充孔隙兩部構成。
  11. The urea - formaldehyde ( uf ) polymer / sio2 composite microspheres were prepared by polymerization - induced colloid aggregation ( pica ) method. the formation mechanism of composite microspheres is attributed to the fact that that urea and formaldehyde firstly undergo acid - catalyzed polymerization to form oligomers, and then the sol particles are adsorbed on the chain of oligomers by wan der walls force and hydrogen bonding. when the oligomers reach the critical chain length, they separate from solution due to phase separation

    對復合微球形成機理的研究表明,尿素和甲醛在酸性條件下自身聚合可以形成高子微球,在sio _ 2酸性溶膠中發生聚和反應時,隨著反應的進行,齊聚物不斷生成, sio _ 2膠體逐漸吸附在齊聚物子鏈上,當聚合物鏈達到沉澱臨界鏈長時,由於相,從前驅物溶液中出,同時sio _ 2膠體均勻的佈在脲醛聚合物網路中,隨之沉澱出來,形成脲醛sio _ 2復合微球。
  12. Through measuring slope forms on the spot, serried sampling, physical and chemical analyzing, and measuring soil erosion from natural and artificial rainfalls, the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient, and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion. in the same time, supported by geographic information system, models of soil carbon and nutrient changing with soil erosion have been built, and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated, and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted, and synchronously, a elementary assessment for different soil erosion management has b een performed by using the models built in the study

    本研究以三峽庫區秭歸縣水田壩鄉王家橋小流域四個徑流試驗區二十個標準小區為研究對象,通過坡形實地測量、坡面密集采樣的和養含量以及人工模擬降雨實驗,研究了土壤侵蝕對土壤碳和養的影響途徑和表現,侵蝕影響下土壤碳和養在微地形空間的佈規律;同時,在地理信息系統的支持下,建立了侵蝕條件下的土壤碳和養變化模型,模擬了侵蝕對土壤碳和養影響的空間過程,預測了侵蝕影響下土壤碳和養的年變化及多年變化,並通過研究建立的模型對不同侵蝕控制措施進行了初步的效益評價。
  13. The falling principle of slime water falling equipment and influence of electro magnet treatment on slime falling character are introduced. the state without drug with deep concentrating machine and how to change the water action and charged amount of slime particle are analyzed, also pointed out the application future of electro magnet concentrating technotogy

    介紹了煤泥水沉降設備的沉降原理及電磁處理對煤泥沉降特性的影響,了深錐濃縮機在不加藥劑的情況下,如何改變其煤泥的水合及帶電量,並指出電磁濃縮技術的應前景。
  14. A kind of two - equation turbulent model of charged fluid flow is constructed, in which the interaction between electric field and flow field is considered. based on analyzing the properties of forces on the charged droplets in the spray, pseudo - fluid of charged droplets phase method is adopted to develop a kind of charged two - phase turbulent model. this model takes account of the interaction between charged droplets phase and electric field, the inter - phase action between droplets and gas, convection and diffusion of droplets " turbulent energy

    考慮電場與流場的耦合,建立了荷電流體的湍流模型,在荷電受力的基礎上,採擬流體的方法建立了荷電氣液兩相湍流理論模型,該模型考慮了荷電相流場與電場的耦合,氣相與相的相間以及相自身湍能的對流與擴散。
  15. Fine - cut tobacco and smoking articles made from it - methods of sampling, conditioning and analysis - part 3 : determination of total particulate matter of smoking articles using a routine analytical smoking machine, preparation for the determination of water and nicotine, and calculation of nicotine - free dry particulate matter

    細切煙草及其煙製品.抽樣調節處理和方法.第3部:常規煙霧機測定煙霧中物總量,水和尼古丁測定和無尼古丁乾燥物質計算的準備工
  16. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微方程,並採goast - redfem積法和p函數對其動力學參數進行了求解,解出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質中心達到全熱解的時間,在體視顯微鏡下對不同度的生物質的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採復雜溫度場傳熱學理論對生物質傳熱過程及充熱解時間理論進行了研究,解推導出了不同尺寸生物質中心溫度達到充熱解溫度的時間( t ) ,得出了理論推導的充熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  17. It is a reliable instrument for the measurement of the coherent structure in turbulence. an improved 2 - d ptv was developed based on previous research experiences, which can be used to measure the trajectories of particles motion. for the experimental study on the particle motion in the dilute solid - liquid two - phase flow, especially for the motion characteristics and dynamic characteristics of coarse particles in water, this kind of system was proved to have great advantages

    該系統可獲取大量的統計樣本並進行計算機快速,為明槽紊流相干結構的試驗研究提供了一種嶄新的測量手段;在前人工的基礎上,開發了一種能夠測量水流中運動軌跡的ptv系統,該系統具有可靠的精度,能同步測量全剖面的瞬時運動信息,為運動特性及動力學特性的試驗研究提供了強有力的手段。
  18. Through strength tests and xrd tests for cemented stone, the paper presents action mechanism of the nanometer materials in the cement hydration and hardening process : pozzolanic effect, filling effect, acceleration action for the cement hydration, and improving action for microstructure. from the four aspects, the modified mechanism of the nanometer silica fume and ordinary silica fume in cement paste are compared. the analysis results show that the particular properties of the nanometer silica fume include particle fineness, crystal structure and surface hydroxy, etc. a serial of laboratory tests are performed to study physical and mechanic properties of the clay with the addition of the nanometer silica fume

    結合水泥石強度試驗和xrd試驗,從火山灰效應、填充效應、水泥水化促進和微結構改善等方面探討了三種納米礦粉在水泥水化硬化過程中的機理;從這四個方面出發,對比了納米硅粉和普通硅粉機理的異同點,表明,納米硅粉的優異特性主要表現為細度、晶體結構、表面羥基等特性。
  19. Three models are proposed as follows by applying the model of " mixed flow " : the stress of increasing fluid on fouling, collision between solid particles and fouling, and solid particles movement velocity ; the effects of operating parameters, properties of particles, and the volume fraction of particles on stress in solid - liquid two phase flow, collision stress between solid particles and fouling, maximal contacting area between solid particles and fouling and maximal contacting time between solid particles and fouling are investigated systematically by calculating and theoretical analysis

    「混流」模型,建立了兩相流體的剪應力模型、固體與垢層的碰撞模型和固體的運動速度模型;通過計算和理論,系統地考察了操參數、物性、體積率等對固液兩相流剪應力、對垢層的碰撞力、與垢層的最大接觸時間和最大接觸面積的影響。
  20. Finally, the application of the discrete element method with an interstitial fluid is discussed. for this purpose, a dynamic compacting process and a retaining wall problem are simulated by dem. it is shown that these problems can be qualitatively analyzed by dem

    對存在填隙流體時離散元法的應進行了初步探索,對塊石土強夯過程和擋土墻問題等進行了簡單的離散元模擬,可以看出採存在填隙流體時球間的規律后,可以對一些問題定性
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