窄分子量分佈 的英文怎麼說

中文拼音 [zhǎifēnziliángfēn]
窄分子量分佈 英文
narrow molecular weight distribution
  • : 形容詞1. (橫的距離小) narrow 2. (心胸不開朗; 氣量小) petty; narrow 3. (不寬裕) hard up; badly off; short of
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. The generated polymers exhibit good solubility in water, controlled molecular weights and narrow polydispersity

    這類高具有良好的水溶性,展現出高度可控性和
  2. Then some cavity quantum electro - dynamic ( cqed ) effects are studied by experiment. the photoluminescence ( pl ) intensity enhancement at resonance wavelength and suppression at off - resonance wavelength, emission spectrum narrowing as well as emission intensity redistribution in space are observed in the microcavity device fabricated with distributed bragg reflector ( dbr ) and silver mirror as well as that done with two silver mirrors

    別在帶有dbr結構的平面微腔及全金屬鏡構成的平面微腔中觀察到了諧振模式處的輻射增強及非諧振模式處的輻射抑制,發射譜線化以及輻射強度空間重組等腔電動力學現象。
  3. The density, viscosity, refractive index, molecular weight and sulfur amount of the fractions are on the increase with the increasing cumulative yield, while their molecular weight exhibits a narrow distribution from 300 to 400

    研究表明,隨累積萃取收率的增加,大慶和遼河油漿的密度、粘度、折光率、硫含及芳碳率呈增大趨勢,油漿的相對( 300 ~ 400 ) 。
  4. The products are polyethers synthesized with new catalyst, characterized by low unsaturation, narrow molecular weight distribution, high activity and high primary hydroxyl content

    本產品系新型催化劑合成的聚醚,其特點是不飽和度低,,活性高,伯羥基含高。
  5. The polyvinyl alcohol ( pva ) in precursor can improve the porosity and make the aperture distribution narrower. so the gels were not easily crazing when drying. simultaneously the fluorescence intensity of the dyes increased as a result of the probabilities of radiationless transitions

    在先驅液中加入少有機聚合物聚乙烯醇1 ( pva )不僅改善了孔結構,使孔徑,凝膠在乾燥過程中不宜開d裂,而且使摻于其中的染料的遷移運動受到限制;降低了非輻射i躍遷的幾率,提高了染料的熒光強度。
  6. It was found that loop reactor could narrow the molecular weight distribution, increase the content of carbonate in product molecules and improve catalyst efficiency

    研究發現,環流反應器能夠使產品,提高產品中碳酸酯基團含及催化劑的催化效率。
  7. In addition, this paper has analyzed and calculated the wave - guide mode theory, got the quantum well laser photic - field distribution ' s fluctuation equation, deduced the far - field distribution ' s mathematics model by the method of stepwise approached, and simulated the near - field and far - field about the laser with computer software. we utilized a pair of mode expand layers which can restricted in photic - field to narrowed the far - field comer about quantum well laser material structure ( the corner was about 21 ?

    另外本文還對光波導模式理論進行了理論析和計算,得到了阱激光器光場的波動方程,利用逐步逼近的方法推導出了遠場的數值模型,通過計算機軟體模擬出了激光器遠近場布圖,並利用模式擴展層對光場的限製作用得到了遠場發散角(約為21 )的阱激光器材料結構。
  8. With this initiating system, the number - average molecular weights of the obtained polymers increased in direct proportion with monomer conversion, and the molecular weight distributions ( mwds ) were narrow throughout the reactions ( 1. 31. 4 )

    將該體系應用於甲基丙烯酸丁酯的聚合反應,所得聚合物的相對( 1 . 3與單體轉化率呈線性關系。
  9. Using 80 % dipropylene glycol and 20 % 1, 4 - butanediol as molecular regulator could also narrow the molecular weight distribution and reduce the amount of smaller molecules in product

    研究還發現調節劑對產品有較大影響,採用混合型調節劑也能夠使並降低小物質含
  10. The long - branched polyethylenes made from these catalytic systems had the characteristics of low melt point, low density, narrow distribution of molecular weight

    幾種復配體系所得到的聚合物具有熔點低、密度低、等特點。
分享友人