脆性晶體 的英文怎麼說

中文拼音 [cuìxìngjīngtǐ]
脆性晶體 英文
brittle crystal
  • 脆 : 形容詞1 （容易折斷破碎） fragile; brittle 2 （較硬的食物容易弄碎弄裂） crisp 3 （聲音清脆） （of ...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 體 : 體構詞成分。
  • 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
  1. High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country

    Kdp晶體零件是目前公認的最難加工的光學零件之一，因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點，所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸， kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。
  2. In the present dissertation, some properties of sodium tellurite glasses, including density, chemical durability, stability against crystallization and fragility of glass forming liquid are studied. the melting, evaporation and solidification of sodium tellurite glasses in low gravity during drop shaft experiments are observed. except this, the phase - separation of lead borate glasses under different gravity condition is also studied

    本文亞碲酸鈉玻璃作為研究對象，系統探索了亞碲酸鈉玻璃的熔化條件，化學穩定性，玻璃抗析晶能力以及玻璃形成液體的脆性等問題，著重研究了na _ 2o - teo _ 2玻璃在落塔實驗中的熔化和氣化以及pbo - b _ 2o _ 3玻璃在落塔實驗中的分相，為解釋玻璃在不同重力條件下的熔化和分相等現象提供了理論依據。
  3. In the processing of single crystal materials, it was found that the sectorial distribution of light and shade appears on the surface, which is the main factor of affecting processing surface quality. therefore starting from the crystal structure, this paper first researched on kdp crystal mechanics characteristics in different crystal plane and orientation through theoretical analysis and nano - indentation experiment, separately calculated the young ’ s modules and shear modules of kdp in different crystal plane, and systematically analyzed the change rule of young ’ s modules and rigidity along with the crystal orientation

    在單晶脆性材料的加工中，人們發現加工表面產生明暗相間的扇形分佈，這種明暗相間扇形分佈是影響加工表面質量的主要因素，因此本文從晶體的結構出發，首先對kdp晶體不同晶面、不同晶向的力學性能進行了理論分析和納米壓痕實驗研究，分別計算了kdp晶體不同晶面上彈性模量和剪切模量，並系統地分析了彈性模量和硬度隨晶向的變化規律。
  4. 6. the density, chemical durability in water, and stability against crystallization of glasses in the na2o - teo2 system are explored and the fragility of glass forming liquid is studied

    研究了nazo一teo :系統中不同成分對玻璃密度，化學穩定性，玻璃的抗析晶能力，以及玻璃形成液體的脆性等性能的影響。
  5. The analysis result indicates that, kdp crystal mechanics characteristics, such as young ’ s modules, shear modules, rigidity and so on, have intense anisotropy, which is the reason of the scallop distribution of light and shade appearing on

    結果表明， kdp晶體材料的力學特性如彈性模量、剪切模量、硬度等具有強烈的各向異性特徵，這種各向異性特徵是單晶脆性材料超精密切削后產生明暗相間扇形分佈的根源，是影響加工表面質量的重要因素。
  6. The maximal power outputs of 37. 0 mw / cm2 and 30. 0 mw / cm2 for the p - and n - type laminated materials respectively at the temperature difference 490 have been experimentally obtained, which are about 2. 5 and 3. 0 times those of - fesi2. chemical analyses show that the interface failure between the bridge alloy and the semiconductor bi2te3 results mainly from the eutectic mixtures with low melting point and brittle compounds formed during welding and long time annealing at 190. it is found that the electrical properties of a laminated structure are mainly controlled by the wettability of the bridge alloy on the semiconductor surface

    發現： 1 ）疊層材料具有明顯優于均質材料的熱電性能，在490溫差下， p -型和n -型疊層材料的最大輸出功率分別達到37 . 0和30 . 0 （ mw / cm ~ 2 ） ，是同類型均質- fesi _ 2的2 . 5和3倍； 2 ）在焊接過程和190長時間退火處理過程中，焊接過渡層合金和基體半導體（特別是bi _ 2te _ 3 ）之間存在明顯的元素相互擴散，從而在過渡層中形成一些低熔點共晶體和脆性化合物，這是導致疊層材料破壞的主要原因； 3 ）焊接過渡層合金與半導體基體之間的潤濕性是影響界面層電性能的主要因素。
  7. The segregation mechanism of tramp element sn during continuous cooling and isothermal aging and its influence on the hot ductility of low carbon steel are discussed and the brittleness during continuous casting of the sn - doped low carbon steel is forecasted. at a strain rate of 10 - 2s - 1 and a cooling rate of 10 / s, there exists a third ductility trough for both steels at 750

    在應變速率和冷卻速率分別為10 ~ （ - 2 ） s和10 s的條件下進行熱模擬拉伸時，兩種試驗鋼均在750時出現由先共析鐵素體沿奧氏體晶界呈薄膜網狀析出所引起的第類脆性谷底。
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