powder characteristics 中文意思是什麼

powder characteristics 解釋
粉末特徵
  • powder : n 1 粉，粉末。2 （搽臉的）香粉；牙粉；發粉。3 （一服）藥粉；粉劑；散。4 塵土，泥屑；雪糝。5 炸藥...
  • characteristics : 產品性能描述
  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

    採用xrd 、 bet 、 icp 、激光粒徑分析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、顆粒大小、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作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. On the basics of briefly summarizing the research and application presents of building coatings and nano - composite building coatings in domestic and overseas, presented a creative approach of modified exterior building latex coatings applying inorganic nano - powders and its " compound. systematically studied the effect of factors such as nano - materials " category, additive capacity, dispersing method on the behavior of exterior building coatings " weathering resistance, scratch resistance, water resistance and alkaline resistance etc. studying on uv - vis optical property of nano - powder materials and its " compounds turned up that nano - tio2, nano - sio2, nano - zno have excellent characteristics to uv shielding ; dispersing system of polybasic nano - composite materials owned higher uv shielding capability than single disperse system

    本文在簡要敘述國內外建築塗料和納米復合建築塗料的應用研究現狀的基礎上，提出了使用無機納米粉體及其復合材料改性建築外墻乳膠漆的創新思路，系統地研究了納米粉體材料的種類、添加量、分散方式等因素對外墻乳膠漆耐候性、耐洗刷性以及耐水、耐堿性等性能的影響，成功地開發了納米改性建築外墻乳膠漆產品，並完成了外墻乳膠漆用納米助劑的初步開發工作。
  3. Based on in - situ investigation and laboratory experiments, the article analyzed in detail the factors which affect the transportation and strength characteristics of gangue cemented tailing grain fillings such as powder coal, water - reducer, mortar density and grain size distribution

    摘要以現場調查和室內實驗為基礎，從粉煤灰、減水劑、漿體濃度、粒級級配等方面，對煤矸石作為膠結充填骨料的管道輸送特性和強度特性進行了詳細的分析。
  4. Sericite powder has many excellent characteristics

    摘要絹雲母粉具有許多優異的特性。
  5. This study was focused on the occurrence characteristics of the cryptomelane - bearing ores and the mineralogical characteristics of natural cryptomelane. the morphology, chemical and structure features of natural cryptomelane were characterized by means of powder x - ray diffraction, scanning electron microscopy, electron probe microanalyzer, energy dispersive spectrometer and x - ray fluorescence

    利用x -射線粉晶衍射掃描電鏡電子探針電子能譜和x熒光光譜對天然錳鉀礦的形貌特徵化學成分結構特徵進行研究，結果表明天然錳鉀礦晶體形態主要為針狀纖維狀，沿
  6. In this paper, the nacre of hyriopsis cumingii ( lea ) which is one of the main freshwater pearl - forming mollusk in china is studied emphatically, as compared with the nacre of three species of saltwater pearl - forming mollusks, pinctada martensii ( dunker ), pinctada maxima ( jameson, and peteria penguin ( roding ). the basic characteristics of nacreous and prismatic layers are understood by powder x - ray diffraction analysis, trace elements analysis, amino acid composition of protein and differential thermal analysis

    本文以我國主要育珠蚌淡水三角帆蚌貝殼珍珠層為重點研究對象，以三種海水育珠貝馬氏珍珠貝、企鵝珍珠貝及大珠母貝貝殼珍珠層為對比研究對象，首先通過粉末x -射線衍射、微量元素分析、蛋白質氨基酸分析及差熱分析對珍珠層及其與之密切共生的稜柱層的基本特徵進行了初步研究。
  7. In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size

    本文根據粒度圖像的特點，採用非線性對比度增強處理改善顆粒顯微圖像的對比度；對多種閾值分割方法進行比較，分析了它們的性能和用於粒度圖像的適用性，在此基礎上提出了一種基於梯度圖像的動態閾值分割方法；對獲取的顆粒二值圖像進行形態濾波和空洞填充，設計了識別演算法去除凝聚體；對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法；提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數，對珍珠粉等粉體粒度進行了測量。
  8. In order to look for the key factors governing fluidization characteristics in the dense phase pulverized powder feeder, the effects of the different operating conditions and the geometrical variables on the mass ratio of powder and gas and the stable conveying time of the system were investigated in the self - developed special dense phase powder conveying test - bed

    摘要為了尋找影響濃相粉體給料器流化特性的關鍵因素，在自行設計的專用小型濃相粉體輸送試驗臺上，考察了不同操作參數和結構參數對輸送固氣質量比和穩定給粉時間的影響，總結了各因素對流化質量的影響規律。
  9. Field emission characteristics of the diamond powder

    金剛石粉末淀積層的場發射特性研究
  10. Distribution characteristics of mineral in coal powder

    礦物質在煤粉中的分佈規律
  11. The egg powder is a food additive adjuvant with its characteristics of high gel, emulsion, water - retention and high bubble

    雞蛋白粉有良好的功能性質，是食品添加劑的配料，具有高凝膠性，乳化性，保水性，高打攪起泡性的特點。
  12. Effect of silver powder characteristics on the film densification

    銀粉特性對銀膜緻密性的影響
  13. Abstract : it is the first time to use powder damping technique in reducing the vibration and noise of cold saw clamp. through measurement and analysls of the noise reduction effects and frequency spectrum, it is found that powder damping is a simple and practical technique, and influences on the strength and natural characteristics of the clamp are small

    文摘:把粉體阻尼技術首次用於冷鋸機夾盤的減振降噪，通過對其降噪效果及頻譜的測量分析，發現粉體阻尼不但是一種簡單實用的技術而且對夾盤的強度和固有特性影響小。
  14. Dental porcelain nickel and cobalt alloy, known as porcelain alloy, i currently producing ceramic alloy shape of a flat circular, hexagonal cylindrical and are mainly used for dental patients with tooth loss or defect repair, with a solid combination of ceramic powder characteristics, vivid natural teeth restored to mouth bring resume cavity in patients with teeth chewing function and beauty aesthetic good results

    牙科用鎳鈷烤瓷合金，簡稱為烤瓷合金，我公司目前生產的烤瓷合金外形有扁圓形、六角形和圓柱形三種，主要用於牙病患者牙齒的缺失或者缺損的修復，具有與瓷粉牢固結合的特點，修復后牙齒逼真自然，給口腔牙齒患者帶來恢復咀嚼的功能和美容美觀的良好效果。
  15. With the reference of many relevant materials, the author prepared a fined molybdenum disulfide powder with a average size of 800nm by ball milling, and a nano - copper with average size of 30nm in micromulsion solution method, and synthesized surface - modified titanium dioxide nanoparticles with average size of 40nm in organic media via sol - gel method. the tribological performances of three particles were studied by universal test as well, with the result of fined molybdenum disulfide powder with good reducing wear and antiwear performance at low load, nano - copper with good reducing wear and antiwear performance at high load, surface - modified titanium dioxide nanoparticles maintaining stable reducing wear and antiwear performance from low load to high load due to its characteristics of organic and inorganic nanocomposite. the results indicate that the nanocomposite is the most perspective oil additive. the reducing wear and antiwear mechanism of nano oil additive was studied with in - situ tribochemical principle. nano additives possess broadly developing prospect with its above - mentioned performance

    在參閱了大量文獻的基礎上，分別採用了球磨法、微乳液法、溶膠?凝膠法制備了超細二硫化鉬、納米銅粒子、表面修飾納米二氧化鈦，經原子力顯微鏡測試，獲得的超細二硫化鉬的粒度平均在800nm以內，納米銅粒子平均粒度約為30nm ，表面修飾納米二氧化鈦平均粒度約為40nm ，在萬能摩擦磨損試驗機上測試了三種粒子的摩擦學特性，結果表明：在合理的添加濃度范圍內，超細二硫化鉬在低載時具有優良的減摩抗磨性能，納米銅在高載時具有比較好的減摩抗磨性能，表面修飾二氧化鈦粒子因具有有機與無機復合物的特性，從低載到高載都保持穩定的減摩抗磨性能。
  16. Hanxia powder, a kind of pure high - contented protein powder, has dual characteristics of shrimp - type food and milk product

    漢蝦粉為純天然高蛋白粉，它具有蝦類食品和乳品的雙重特性。
  17. Binyang acid powder, white cut vinegar, dog, like feet, are well - known characteristics of the local cuisine, loved by the people

    賓陽酸粉、白切狗肉、燜狗腳等都是本地有名的特色美食，深受人們喜愛。
  18. Effect of wood powder diameter on the combustion characteristics of a - heavy oil and wood powder cofiring

    重油與木粉混燒的燃燒特性影響
  19. Application characteristics ： it ' s made bronze or iron powder, mold pressed under high pressure and then sintered under high temperature, and oil is soaked into the homogeneously spreaded tiny pores of the metal under vacuum

    應用特點：該產品是以銅粉或鐵粉為原料，經模具壓制、高溫燒制、真空浸油后加工而成。
  20. On the basis of the analysis abovementioned, the quantitative relation between the compositional distribution of sediment body and initial experiment parameters including powder characteristics ( density, size and size distribution etc. ) and settling parameters ( density and viscosity of suspension, heights of suspension and liquid, etc. ) have been established corresponding to the physical model selected

    在此基礎上，結合選用的顆粒共沉降的物理模型，通過理論推導，建立了粉末特性（粉末的密度、粒度以及粒度分佈等）和沉降參量（懸浮液的密度、粘度和高度以及清液的高度等）同沉積體組分分佈之間的定量關系。
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