crystalline density 中文意思是什麼

crystalline density 解釋
晶體密度
  • crystalline : adj. 水晶的，由水晶做成的；結晶的，【化、礦】結晶質的；透明的。n. 結晶質，結晶體，晶態；（眼球）水晶體。
  • density : n. 1. 稠密；濃厚。2. 【物理學】濃度；密度；比重。3. 愚鈍，昏庸。
  1. By increasing the h2 dilution ratio, it is found that atomic hydrogen can selectively etch amorphous phase and stabilize crystalline phase. from the study on the distance from substrate to catalyzer, choosing a proper distance can ensure the gas fully decomposed, while a relatively low substrate temperature can cause the nanocrystalline particles to lose mobility and keep their sizes. the pre - carbonization process can enhance the nucleation density and make the growth of high quality nanocrystalline p - sic films much easier

    實驗結果表明：隨著工作氣壓的減小，薄膜的晶粒尺寸有所減小；通過提高氫氣稀釋度，利用原子氫在成膜過程中起的刻蝕作用，可以穩定結晶相併去除雜相；選擇適當的熱絲距離能保證反應氣體充分分解，又使襯底具有較高的過冷度，是形成納米薄膜的重要條件；採用分步碳化法可以提高形核密度，有利於獲得高質量的納米- sic薄膜；襯底施加負偏壓可以明顯提高襯底表面的基團的活性，因負偏壓產生的離子轟擊還能造成高的表面缺陷密度，形成更多的形核位置。
  2. Maleic anhydride is a white needle - like, briquette or flaky crystalline with irritant odour and sour, inflammable and sublimating. it can be freely dissolved in water to form maleic acid. it has a specific density of 1. 480, a melting point of 52. 85

    順酐（又稱馬來酸酐）為無色針狀或片狀結晶，有刺激性氣味與酸味，易燃，升華，易溶於水生成順丁烯二酸，相對密度為1
  3. 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粉末時，由於納米粉末的高活性、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晶長徑比的提高，使微觀結構均勻、細化，形成了更多力學性能優異的固體? sialon相，減少了不利於陶瓷材料性能的晶間玻璃相，凈化了晶界。
  4. 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/氧化鏑的納米粉體進行燒結，在1200左右燒結得到燒結密度為理論密度的98 . 8的陶瓷體，其燒結溫度比常規陶瓷粉末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體晶粒大小的影響。
  5. The equipment for simultaneously measuring resistance, volume expansion and temperature was constructed. two different polymer matrices, crystalline high density polyethylene ( hdpe ) and amorphous polystyrene ( ps ) were selected, which were loaded with carbon black ( cb )

    自行設計製作電阻-體積膨脹-溫度同步測量裝置，研究了炭黑（ cb ）填充聚合物基ptc材料的電阻率隨體積膨脹的變化關系，聚合物基體分別為結晶聚合物高密度聚乙烯（ hdpe ）和非晶聚合物聚苯乙烯（ ps ） 。
  6. Crystalline deposit obtained in low concentration of tungsten and current density, and amorphous or mixture microcrystal deposit obtained in high concentration of tungsten and current density

    當鍍液中鎢離子含量低，電流密度低時，鍍層為晶態結構；當鍍液中鎢離子含量高，電流密度大時，鍍層呈非晶態或混合微晶態結構。
  7. The vibrational modes of batio3 and pbtio3 in different crystalline phases have been investigated by means of density functional theory pseudopotential method

    採用密度泛函贗勢的方法，研究了不同晶相的鈦酸鉛和鈦酸鋇的振動模式。
  8. It was found that the introduction of ca2 + enhanced the sinterability of the material. the relative density of sintered specimens increase with the content of ca2 + in the composition range of 0 < x < 0. 3. it was confirmed that a high relative density can be obtained at relatively low sintering temperatures by using uniform, high surface area la1 - xcaxcro3 powders, which modifies the crystalline structure and microstructure of ceramic specimens

    研究結果表明， a位ca ~ （ 2 + ）的引入在一定程度上能夠降低材料的燒結緻密化溫度：細小、均勻、高比表面積的粉料能夠有效降低材料的燒結緻密化溫度；燒結溫度的降低可以減少la _ （ 1 - x ） ca _ xcro _ 3中液相含量和鉻氧化物的揮發，有利於材料晶體結構、顯微結構的改善。
  9. It is concluded that optimum calcined temperature is 900 with x < 0. 06 and 950 with x 0. 06. liquid phase is indispensable in the sinter procession. it contributes to the growth of the crystalline grain and the density

    研究表明：當x 0 . 06時，適宜的預合成溫度應為900 ，當x 0 . 06時，適宜的預合成溫度應為950 ；樣品的燒結必須有液相的存在，適量的液相有助於晶粒的生長和材料的緻密化，但液相過多將降低壓電性能。
  10. Carbon aerogels are a novel, low - density, porous, non - crystalline, monolithic, nanometer carbon materials, whose continuous network structures can be controlled and tailored at the nanoscale

    炭氣凝膠是一種輕質、多孔、非晶態、塊體納米炭材料，其連續的三維網路結構可在納米尺度控制和剪裁。
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