非極性晶體 的英文怎麼說

中文拼音 [fēijíxìngjīngtǐ]
非極性晶體 英文
nonpolar crystal
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 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. The expression of the third - order nonlinear polarization of self - interaction in uniaxial crystals

    單軸晶體中三階非線性自作用極化強度矢量的計算
  2. On account of qpm can take advantage of the largest element of x tensor, and any interaction with transparency range of the material can be noncritically phase matched without walk - off angle. therefore, the conversion efficiency in longer crystal may be improved

    由於準相位匹配可利用非線性光學晶體最大的二階極化張量元，在晶體的整個通光范圍內均可實現非臨界相位匹配，在較長的晶體上可望實現較高的變頻效率。
  3. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。
  4. Srtio _ 3 ( sto ) thin films exhibit a large electric field dependence of dielectric permittivity. the microwave surface resistance of yba2cu3o7 - x ( ybco ) is much lower than that of the normal conductor. the typical value of rs for ybco epitaxial thin film is smaller than 1 m

    在低溫下， srtio _ 3 （簡寫為sto ）薄膜具有強烈的非線性介電性質，即:介電常數隨外加直流電場變化而變化; yba2cu3o7 - x （簡寫為ybco ）具有極低的微波表面電阻， rs （ 10ghz ， 77k ） < 1m ，而且它們的晶體結構相似，晶格常數匹配以及化學性質相容。
  5. Eventually, around the cusp of the 1980s and 90s, the relentless march of miniaturization approached sizes so small that the larger area of the slower fet - based chips could be filled with enough transistors to whomp the performance superiority of the bipolar model

    在20世紀80年代和90年代的早期，晶元的小型化已經使得晶元的尺寸非常之小，以至於更小的基於fet的晶元上可以留出更多的空間，可以放置更多的晶體管，從而實現遠遠高出二極體模型的性能。
  6. Due to the advantage of non - destruction read out, ferroelectric field effect transistor ( ffet ) is supposed to be the ideal potential memory device and has been widely investigated

    鐵電場效應晶體管（ ffet ）存儲器能夠實現非破壞性讀出，是一種比較理想的存儲方式，因此從一開始就受到人們極大的關注。
  7. There are mang immobilization methods we can use directed or indirected. the use of sam in various fields of research is rapidly growing, a interesting work is based on the strong absorption of disulfides ( r - s - s - r ), sulfides ( r - s - r ) or thiols ( r - sh ) on the gold surface. while integrating with the new improving in biomolecule immobilization, this thesis presents a theoretical and applied studies of several new piezoelectric immunosensors based on the au - s sams

    通常將生物分子固定於石英晶體電極表面或石英晶體表面的惰性載體塗層主要有直接固定法和間接固定法，包括有硅烷化連接法，聚合物膜連接法，非特異性吸附蛋白間接固定法， lb膜技術，生物素-親和素體系（ bas ）法以及自組裝單分子層（ sams ）技術等等。
  8. Welding consumables - rods, wires and deposits for tungsten inert gas welding of non alloy and fine grain steels - classification

    焊接用料.非合金和細晶粒鋼和鎢極惰性氣體保護用的焊條，焊絲和沉積物.分類
  9. Abstract : to against the fact of the commercial available white noise generators are very expensive which is not good for general operations, a simple and effective limited band white noise generator is design. the generator is using the feature of dual polarity transistor, i. e., the power spectrurn density of particulate noise is not related to frequency in very wide band and close to white noise. the concrete circuit is also given

    文摘:針對市售白噪聲發生器價格昂貴，不利於一般場合使用的問題，介紹利用雙極性晶體管散粒噪聲功率譜密度在非常寬的范圍內與頻率無關，屬白噪聲這一特性，設計了一種簡捷、有效的限帶白噪聲發生器，並給出了具體電路。
  10. It has discovered for the first time that the precursor b - ni1 - xcox ( oh ) 2, with pluffy and dendritic morphology, high specific surface area and low tap density, is the best starting material to produce lini1 - xcoxo2 materials, but not the presently thought that high density and spherical particle of ni ( oh ) 2 is fitting for the preparation of ni - cathode materials. using our own precursor can greatly reduce the degree of cation mixing ; improve the electrochemical properties of the aimed materials

    發現表面蓬鬆、比表面積高和密度低、呈枝晶狀排列的- ni _ （ 1 - x ） co _ x （ oh ） _ 2前驅體具有較高的化學活性，制得的目標材料可有效抑制陽離子混排產物的生成，而非目前廣泛認為的高密度球形ni （ oh ） _ 2適合作鎳系正極材料的前驅體。
  11. Since a lot of applications of ultrafine amorphous iron series alloy have been found in magnetic recording, catalysis, ferrofluid, and wave absorbing materials, etc., much attention has been paid to the synthesis process of nanostructured fe series alloy

    非晶態的鐵系納米材料廣泛應用於磁記錄材料、催化材料、磁性液體、吸波材料等多個研究領域，在眾多納米材料中，納米合金材料由於其特殊的性質受到人們極大的關注。
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