粒徑組成 的英文怎麼說

中文拼音 [jìngchéng]
粒徑組成 英文
granulometric composition
  • : 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)
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  • : 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(...
  • : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
  • 組成 : form; make up; compose; formation; composition; configuration; make-up; compo
  1. Abstract : two important factors, the loss of the catalyst components and the change of the catalyst particle diameter, which lead to the decay of the catalyst for amination of fatty alcohols, were studied. the dimension analytic method is applied successfully to determine the relations among the components loss, the particle diame - ter and the times of the catalyst used in repeated experiments

    文摘:對引起脂肪醇胺化用催化劑失活的重要因素? ?分流失及變化進行了研究,運用因次分析方法將催化劑的重復使用次數、分流失及等因素進行了關聯,並取得了功。
  2. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要果包括以下幾個方面: ( 1 )採用xrd 、 sem 、 bet 、激光度分析儀等多種測試手段,探明了以硅灰,超細磨化高爐礦渣,優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的、結構、度分佈、比表面積等基本性質;從理論上分析了礦物功能材料在混凝土中的4種效應,即火山灰效應、填充密實效應、微集料效應、表面吸附效應,並由此發揮出增塑、溫峰削減(降熱) ,增強及耐久性改善等作用;通過相關理論分析,推導出礦物功能材料的合理范圍在5 m 15 m ,即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。
  3. The emulsoid particle size and its distribution were determined by laser particle sizer. the composition changes of acr were inspected by ir, and the core - shell structure was observed by tem. the morphologyes of acr resin particles were inspected by polarization microscope at last

    通過激光度分析儀對所合的乳膠及其分佈進行了分析測試,藉助于ir考察了所合的acr的變化,並通過透射電鏡對所合的acr的核殼結構進行了驗證,最後藉助于偏光顯微鏡觀察了破乳乾燥后得到的acr子。
  4. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體,需要嚴格控制配方中各種原材料的含量,優化配方;由於粉體活性受預燒條件的影響,所以對不同要求的鐵氧體選擇的預燒條件就不一樣,適當降低預燒溫度有利於獲得較高的起始磁導率,而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆的不同需求,可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要條件,本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝,適宜的燒結工藝可以獲得理想微結構和,從而得到高性能的鐵氧體材料;而從材料的微結構上來看,要提高材料的截止頻率,就要適當地細化晶、增加晶內部的氣孔。
  5. Theimportant technological parameters, which influence significantly thecharacterization of the screen - printed ysz electrolyte thin films, includingparticle size and particle size distribution of the starting ysz powder, composition of the screen - printing ink, sintering temperature of the screenprintedysz green films and printing times were investigated in detail

    系統研究了影響絲網印刷工藝的幾個重要參數,如ysz粉末的分佈、印刷漿料的、電解質膜坯體的燒結溫度和印刷層數。
  6. The organic matter, total n, hydrolytic n were increased, then reduced with the increase of abandoned time. the loss of organic c got up to 59. 4 % in abandoned land. in 0 - 20cm, the sand content of 0. 25 - 0. 05mm was increased gradually, the average content of sand in the abandoned land was up to 76. 84 %, the sand contents of silt and sand was gradually reduced, the soil mechanic compose became coarse

    隨撂荒年限的增加,土壤有機質、全氮、堿解氮等主要養分均表現出先降低后增加的趨勢;撂荒地有機碳的損失平均達到59 . 4 ;在撂荒地表面0 - 20cm范圍內, 0 . 25 - 0 . 05mm的砂含量逐漸增加,各撂荒地砂平均含量達76 . 84 ,粉和粘含量逐漸降低,土壤機械出現粗化現象。
  7. Research on the particle size distribution and its effect on the physiology of marine phytoplankton

    海洋浮游植物粒徑組成及其生物效應研究
  8. This paper gives a brief introduction of the formation mechanism of sma and the handing property of pavement from the aspects of theory and research. at the same time, this paper also studies the effect of aggregate size on road - related performance in some different grads. except, it also having inspected to use the sbs, the pe and the combination material of sbs and pe to analyze the influence to the function of material road

    瀝青瑪蹄脂碎石混合料( sma )以其溫度穩定性好、抗滑性能優良、低噪音、使用耐久等優點在公路建設中越來越受到重視,本文對sma特點,強度形機理與路面使用性能從理論和試驗研究角度進行論述,並針對不同級配的瀝青瑪蹄脂碎石混合料,分析了粗、細集料的變化對其路用性能的影響,同時也考察了用sbs 、 pe 、 sbs和pe復合改性后的瀝青結合料對混合料的路用性能影響。
  9. Except for types of stationary phase, components of mobile phase and types of detectors, other prescribed conditions under each type, such as internal radius and length of chromatographic column, brand of stationary phase, carrier granularity, flow speed of mobile phase, as well as proportion, column temperature, volume of incoming samples of different components of mixed mobile phase and sensitivity of detector can be appropriately changed to accommodate different chromatographic system and reach requirements for applicable test of the system

    各品種項下規定的條件除固定相種類、流動相、檢測器類型不得任意改變外,其餘如色譜柱內、長度、固定相牌號、載體度、流動相流速、混合流動相各的比例、柱溫、迸樣量、檢測器的靈敏度等,均可適當改變,以適應具體的色譜系統並達到系統適用性試驗的要求。
  10. The nanoparticle titanium dioxide was prepared with tnb as raw material by the sol - gel process, the effects of the alcohol salt concentration the kind of solvent the water volume hydro1yze temperature. the dried ways of the wet gel and the calcined temperature of the dry gel on the specific surface area. particle size

    本文以鈦酸丁酯為前驅體,利用溶膠?凝膠法制備了納米級的tio _ 2粉體材料,通過正交實驗研究了醇鹽的濃度、溶劑的種類、水含量、水解溫度、乾燥條件和煅燒溫度等工藝條件對納米子的比表面積、大小及分佈、晶相等性能的影響。
  11. Nuclear particle track - etched anti - counterfeit marking is a new weapon against fake products. the mark is manufactured by intricate high technology in state - controlled sensitive nuclear facilities which ensures that the mark can not be copied. the pattern of the mark is characterized by its permeability, and can be distinguished from fakes by using a transparent liquid ( e. g. water ), colored pen or chemical reagent. the technique has passed the official health safety examination and poses no danger of nuclear irradiation

    用核子照射塑料薄膜形跡,再經化學試劑蝕刻和像技術,得到由微米級微孔的圖案.這種圖案具有物質透過特性.用這種方法生產的核跡防偽標志,具備核尖端技術不易擴散,製作設備不易得到,產品用其他方法難以偽造,防偽識別簡單、快速、可靠等特點.此種標志已經通過放射性安全檢測,可以用於各種商品(包括食品)的包裝
  12. X - ray diffraction ( xrd ) and transmission electron microscopy ( tem ) are utilized to analyze the phase, structure and size of the magnetic particles

    利用x射線衍射儀( xrd ) 、透射電鏡( tem )對制得的磁子的、結構及進行了分析。
  13. Eoc and caco3 were combined to toughen and reinforce pp to study the effect of factors such as the composition, the diameter and shape of filler, the nature of elastomer, dispersing morphology and matrix type on the properties of pp / eoc / caco3 composites

    結合起來增韌增強聚丙烯,研究了比、填料及形狀、彈性體性質、分散形態和基體類型等一系列因素對pp用occaco3復合材料性能的影響,揭示該體系發生脆韌轉變的基本條件是l人( 。
  14. The surface of ce02 - ti02 films were very smooth and difficulty to crystallization. the ceo2 - tio2 complex films were nanocrystalline microstructure or microcrystalline even if to heat the substrates or to anneal the films. the ceo2 and tio2 nanocrystalline were not easy congregate and bigger because of heterogeneity interface disturb and have many defect

    ceo _ 2 - tio _ 2混合薄膜顆在納米尺度范圍3 ? 50nm ,與純ceo _ 2 、 tio _ 2薄膜相比,具有更小的表面粗糙度和更難結晶,這是由於異質材料晶界的相互干擾,使同質顆之間難于聚集而結晶長大,薄膜處于納米晶或雛晶態,即使加熱基片或薄膜進行熱處理也無明顯變化。
  15. The factors effecting on tio2 particles grain and phase compose are discussed. the detailed process of forming tio2 particles are analyzed

    討論了影響合tio _ 2顆大小的因素和納米tio _ 2的相,對tio _ 2顆的具體過程進行了分析。
  16. This paper with the actual needs of metal physical doping of icf target material and laser - x - ray conversion material is starting point, major for flow - levitation method principle, technology parameter control particle grain size, structure and thermal stability of phase composition that prep aration metal and alloy nanoparticle go deep into research. the principle of preparation metal nanoparticle by flow - levitation method is difference with other evaporate condensation method

    本文以icf靶材料金屬物理摻雜和激光- x光轉換材料的實際需要為出發點,主要對自懸浮定向流技術制備金屬與合金納米微的原理、過程和工藝參數控制微大小,所制備納米微的結構、物相以及相的熱穩定性等方面進行了深入研究。
  17. The recent research status on tungsten heavy alloys was reviewed. the methods to improve the properties of tungsten alloys, including the changes of tungsten particle size, component, content of matrix and the improvements of sintering technics, were also discussed in details. at the same time, some advanced overseas penetrators were introduced and research directions of tungsten alloy materials were pointed out in this paper

    主要介紹高密度鎢合金穿甲彈材料侵徹性能的國內外研究發展狀況,從改變合金中鎢顆性質、粘結相與含量,以及結合工藝改善的角度,總結目前國內外改善高密度鎢合金侵徹性能的主要途,並對當前國外先進鎢合金穿甲彈產品的材料分、制備工藝及侵徹效果進行了簡要介紹和分析;同時針對國外穿甲彈的研究概況和發展趨勢,提出我國今後研究和開發新型高侵徹性能鎢合金穿甲彈的主要研究方向。
  18. Examined by tem, the production was slice shape in which there are many fine grains and the size of slices is 200nm ~ 2 u m and the most part of it is 500nm when the quality match ratio of aluminum nitrate and urea was 2. 5 : 1 and raw materials was ignited at 500 c. the size of slices is 200nm ~ 400nm when the quality match ratio of aluminum nitrate and urea was 2. 5 : 1 and raw materials was ignited at 300c

    經tem分析發現產物形貌呈片狀,當硝酸鋁和尿素在質量配比為2 . 5 : 1 ,在500點燃時片狀產物尺寸約為200nm 2 m ,其中大部分約為500nm ,當硝酸鋁和尿素在質量配比為2 . 5 : 1 ,在300點燃時產物尺寸約為200nm 400nm ,片狀產物內部由細小顆
  19. Relation between sulfur and magnetic parameters in xuzhou urban topsoils and its environmental significance

    有機質以及粒徑組成與磁學參數的關系
  20. The composition and microstructure of the resulting samples are studied by xrd and tem. these results show that the range of particle size of tio2 is from 20 to 30 nm. the mechanism of tio2 photocatalysis reaction has been discussed

    所制樣品的與微觀結構用x射線粉末衍射( xrd )和透射電子顯微鏡( tem )表徵,結果表明tio _ 2樣品的范圍在20 30nm之間。
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