晶體粉末 的英文怎麼說

中文拼音 [jīngfěn]
晶體粉末 英文
crystal powder
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 體構詞成分。
  • : Ⅰ名詞1 (粉末) powder 2 (用澱粉製成的粉條或粉絲) noodles or vermicelli made from bean potato o...
  • : Ⅰ名詞1 (東西的梢;盡頭) tip; terminal; end 2 (非根本、非重要的事物) nonessentials; minor detai...
  • 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
  • 粉末 : powder; flour; stive; smalls
  1. As a comparison, ba1. 03ce0. 8gd0. 2o3 - was synthesized by sol - gel method. among these samples, nonstoichiometric samples were synthesized for the first time. the research work involved : the crystal phase of the sinters were determined by xrd ; ionic conduction under different experimental atmospheres was measured by gas concentration cells ; performances of hydrogen - air fuel cells with the sinters as electrolytes and porous pt as electrodes were measured

    x射線衍射儀鑒定它們的結相;在( 600 1000 )范圍內,以燒結作為電解質隔膜,多孔性pt黑為正、負電極, pt - rh合金網為集電極,分別組成氫濃差電池、氧濃差電池及氫?空氣燃料電池並測定了它們的性能,研究了不同氣氛下樣品的離子導電特性及影響燃料電池性能的因素。
  2. It is widely used in food, beverage, dairy product, flour table salt, nutritive liguid and medicine, etc

    白色至乳酪晶體粉末,易溶於熱水,廣泛用於食品、飲料、奶製品、麵、營養液和制藥等。
  3. The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment

    本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手,得到了電壓取決于基中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基中的擴散系數及減小粒度的理論依據及其利用的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。
  4. In this paper, we prepared 110x80mm ti : al2o3 crystal ( 11 stone ) by directional temperature gradient technique ( dtgt ), choosed its top, middle part and bottom, and fabricated powder samples with carnelian mortar. then we observed and analyzed the surface of ti stone by using sem, and found it is ti that is the main component of the black thing on the surface of ti stone

    本文採用導向溫度梯度法制備了110 80mmti : al _ 2o _ 3(鈦寶石) ,並取其上部、中部、下部用瑪瑙研缽製成樣品,用掃描電子顯微鏡對鈦寶石表面進行了觀察分析,結果表明鈦寶石表面上的黑色物質的主要成分為鈦。
  5. Being fine, homogeneous and free of melting, the powder prepared by mechanical alloying has applied to develop scattering strengthen - material, magnetic material, high - temperature material, superconductivity material, amorphous, and non - equilibrium material, compound material etc. as a high - tech technology to prepare alloying powder, ma has become a more and more important method for preparing new materials

    機械合金化法制備的粒細小、成分均勻,且能避免熔化過程,已用於開發研製彌散強化材料、磁性材料、高溫材料、超導材料、非、準、納米等各種狀態的非平衡材料、復合材料、輕金屬高比強材料、儲氫材料、過飽和固溶等。作為制備合金的非平衡高新技術,越來越成為一種制備新材料的重要方法。
  6. These particles will aggregate into a certain structure when the applied field yields a critical value. the other is fabricated from " half - metallic " oxides, i. e., ferromagnetic oxides which are predicted theoretically to be completely spin - polarized and really found experimentally to have very high spin - polarization. when a magnetic field is applied to half - metallic granular systems, the resistance will drop rapid and dramatically, which is called the extrinsic magnetoresistance effects in half - metallic granular systems

    在磁性材料中,亦有由在理論上具有完全的自旋極化率、在實驗中也被證實具有高自旋極化率的一系列半金屬氧化物材料構成的多等顆粒系,被發現能在外磁場下發生顯著的電阻下降,即半金屬氧化物顆粒系中的外稟磁電阻效應。
  7. In this thesis, the structure and basic characteristic of hexagonal ferrite absorbent were summarized, and popular methods to prepare ultrafine ferrite particles and hollow microspheres were introduced. hexagonal ferrite hollow microspheres were prepared by flame powders spraying technique and flame suspending solution spraying technique

    本文較為系統地概述了六角系鐵氧吸收劑的結構和基本特性;介紹了當前鐵氧超微及空心微球的主要制備方法;用氧乙炔火焰噴霧技術與等離子火焰溶液噴霧技術制備了六角系鐵氧空心微球,對其結構和性能進行了一系列的探討工作。
  8. The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper. the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600, 1650, 1700 in the nitrogen atmosphere. the microstructure and the composition of the ceramics were determined by the means of x - ray, sem, micro - hardness meter etc. it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ). the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3. a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that

    實驗結果表明:在碳管爐中、氮氣保護下進行燒結,添加劑為納米al _ 2o _ 3時,由於納米的高活性、高燒結驅動力,在1650就可使si _ 3n _ 4完全地燒結,並使其緻密度可達理論密度的96以上(比其它工藝高6左右) ;同時,納米al _ 2o _ 3地加入大大促進了長柱狀? si _ 3n _ 4的生長和發育及柱狀長徑比的提高,使微觀結構均勻、細化,形成了更多力學性能優異的固? sialon相,減少了不利於陶瓷材料性能的間玻璃相,凈化了界。
  9. Using continuous compacting progress dy2o3 / zro2 materials can be sintered at low temperature. 98. 8 % of theory density was obtained for ultrafine dy2o3 / zro2 ceramic power sintering at 1200, which is 400 lower than the sintering temperature of the common ceramic power. it studied the influence of sintering temperature on the crystalline grain of power by sem

    採用二次成型常壓燒結法對氧化鋯/氧化鏑的納米進行燒結,在1200左右燒結得到燒結密度為理論密度的98 . 8的陶瓷,其燒結溫度比常規陶瓷的燒結溫度低四百度左右,通過掃描電鏡研究了燒結溫度對燒結粒大小的影響。
  10. To make cds / k4nb6o17 powder on the base of the k4nb6o17 powder which by the courses of ion exchanging, amine intercalation, sulfuration etc. to obtain cds / k4nb6o17 thin film through the same course of making cds / k4nb6o17 powder on the base of k4nb3o17 thin film on the quartz which made by the spin coating and after heat treatment. to make experiments with additives ( na2so3, 0. 1mol / l ) of photocatalytically decomposing water into h2 and o2 to evaluate the photocatalytic activities of the catalyst knb6o17 powder, cds / k4nb6o17 powder, k4nb6o17 film, cds / k4nb6o17 film. the crystalline structures of the midst powder and film productions were investigated by using the x - ray diffraction ( xrd )

    本課題的主要內容是:高溫固相反應合成具有層狀結構的k _ 4nb _ 6o _ ( 17 )材料,然後以此為母材料,通過離子交換、層間胺插入、硫化處理等過程制備出cds / h _ 4nb _ 6o _ ( 17 )形式的光催化材料;通過旋轉塗覆法在石英玻璃基片上制備了k _ 4nb _ 6o _ ( 17 )薄膜,採用一定的熱處理制度后對薄膜分別進行離子交換、層間胺插入、硫化處理等處理過程制備了cds / h _ 4nb _ 6o _ ( 17 )薄膜形式的光催化材料。
  11. The fluorescence intensity of tb observed in pt / tb sol was stronger than that in powders. the network made of o, ti, such as sol and noncrystalline powders, determined the fluorescence intensity of pb

    Pb離子的熒光與pb所處環境相關,既可出現在液相系,又可出現在固相系中,也即處于o , ti等離子構成的無規則網路結構狀態下的溶膠、凝膠或非固態時。
  12. After the acet is vaporized, the active substance in water is gotten. and which is vaporized at low temperature. then the crude active substance is purified by column chromatography on sephadex g - 75. after a series of purifications again, we could get some white powder at last. though the active substance is diluted to50 g / ml, the activity is still checkeded - up through phyto phtnora casicileon. the purified active substance is insensitive to heat, resistant to chloroform 、 ethanol and the orhers. in addition, the active substance is sensitive to high ph ( 10 ~ 14 ), but it is not sensitive to low ph ( 1 ~ 5 ). furthermre, when the ph is made to low again, the activity of it ' s comes back

    用蒸餾水對菌稀釋;加入適量吸附樹脂在150rpm 、 28下振蕩吸附4h , 80 %的丙酮解吸,過濾解吸液得到活性物質的澄清溶液,旋轉蒸發儀旋轉蒸發去處丙酮,經sephadexg - 75分子篩層析得單一活性峰,收集峰值部分樣品液經冷凍乾燥得到淡褐色,該活性物質用丙酮充分洗滌、甲醇-乙醚重結獲得略帶微黃的白色,該活性物質50 g / ml仍可對蘇雲金芽孢桿菌hd - 1產生明顯的抑制作用。
  13. Moreover, the investigation for the ma of cu - cr indicates that : with using of protective atmosphere, active carbon has a good effect on the oxidation control during milling ; the structure refining and increasing of interface and defect result in the formation of non - equilibrium phase

    此外,對cu - cr難互溶系的ma研究表明:的結構細化及界面、缺陷的產生導致了ma過程中亞穩相(氧化物非、過飽和固溶)的轉變與形成;與保護性氣氛相比較,活性炭對ma過程中的氧化現象有良好的控製作用。
  14. Uniformity white crystalline powder. hplc and uv not less than 98 %. it can be used as pharmaceutical intermediates

    產品介紹:白色結, hplc和uv均大於98 % .可作為醫藥中間,或添加於嬰兒奶中作為營養強化劑或其它食品中
  15. Unlike many products that are sold as environmentally friendly cleaners that are not that effective, oxygen bleaches really do work and for some stains even do a better job than traditional bleaches or cleaners

    過氧碳酸鈉為白色結狀或顆粒狀固,由於碳酸鈉與過氧化氫以氫鍵聯接,其在水中有很好的溶解度,並隨溫度的升高而上升。
  16. For the powder milled to amorphous state, because of its very fine structure, it is easy to occur phase transformation and has good size stability when sintered

    研磨到非態的由於元素達到原子尺度混合,大大縮短了擴散距離,不僅易於發生固態相變,而且燒結尺寸穩定性好。
  17. Experimental results show that the grains were gradually triturated to namometer size with milling time and the grain size might be 30nm or so, but the grain size was not decreasing after the powder has been milled for 25 hours. the nano - sized sic was synthesized by ball milling of si and c mixed powders which rare earths as a additive was added to

    結果表明:隨著時間的延長,逐漸細化至納米級,可以細化到30nm左右,但球磨時間超過25h后顆粒繼續細化的速度明顯放慢,並且在球磨的過程因為粒細化和粒內部發生了嚴重的格畸變,納米x射線衍射峰產生嚴重寬化。
  18. The hrpd, wich is designed for the study of crystal structure and magnetic structure of materials, was simulated and optimized

    對高分辨衍射譜儀的設計方案進行了模擬和優化研究,該譜儀主要用於材料的結構和磁結構研究。
  19. X - ray diffraction analysis and mult - peak separation applied software procedure analysis were used to determine the crystal phase and amounts of each sample. the influences of dipping time of dipping two kinds of phosphate saturable solution on the structure and the properties of kiln furniture were studied

    探討浸漬兩種磷酸鹽飽和溶液的浸漬機理,並用掃描電鏡的分析結果加以驗證;採用x -射線衍射分析與多峰分離應用軟程序分析、確定各試樣的相,計算各相的含量。
  20. During the study of sol - gel process, we successfully synthesized the series of nanometer powder of the lizn ferrite by citric acid self - propagating method, studied the influence of the value of ph, the rate of citric and the calcinations temperature, discovered the optimum conditions to synthesize nanometer powder of the lizn ferrite

    在溶膠-凝膠工藝技術研究中,利用檸檬酸自蔓延法制備了納米lizn鐵氧,研究ph值、檸檬酸組分、煅燒溫度等工藝條件對納米性能與形貌的影響,探索出一條制備單一相的lizn鐵氧納米的工藝條件。
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