近晶型液晶 的英文怎麼說
中文拼音 [jìnjīngxíngyèjīng]
近晶型液晶
英文
smectic crystal-
5, both melting point ( tm ) and isotropization temperature ( tj ) of all the three series compounds change regularly with the carbon numbers of the end alkoxy group increased. there is a gradual increase in smectic phase length and in the smectic - nemetic transition temperature. at the same time there is a gradual decrease in nemetic phase length
五，三個類型化合物16ia至16id 、 16ila至16lid 、 17ia至17id 、 17ila至17lid 、 18ia至18id和18ila至18lid的熔點和液晶態的清亮點均化合物分子中末端烷氧基增大逐漸降低；近晶相的溫度范圍和近晶相一向列相轉變溫度逐漸增大，而向列相的溫度范圍遞減。Based on the understanding of netative poisson ratio mechanism and the characteristics of liquid crystalline polymers, the ability for the smectic liquid crystalline polymers possibly to bear the auxetic behavior was firstly proposed. at the same time the ideal molecular model was upbuilt and the calculation about the negative poisson ratio of smectic liquid crystalline polymers was theoretically carried out
經過對負泊松比產生機理和液晶高分子特徵的理解，首次提出了近晶c相液晶高分子也具有產生npr效應的能力，建立了近晶c相液晶高分子產生負泊松比的分子模型，並且對其負泊松比進行了理論計算。2, upon heating to their respective melting temperature, all the compounds above went to liquid crystal phase. the typical chiral smectic c phase lined texture and finger print texture, smectic fan texture and broken fan shaped texture, nematic schlieren texture schlieren texture and ball grandle texture, paramorphosis texture can be observed
實驗結果表明：一，化合物2 、 4 、 16 、 17和18均具有熱致液晶性；二，以上化合物加熱至各自的熔點以上都能形成液晶態，在液晶態可以觀察到新的席夫堿型液晶冠醚的合成與表徵手性近晶c相的層線織構和指紋織構。New type of liquid crystals such as laterally fluorinated naphthalene indane, axially fluorinated cyclohexane and liquid crystal containing highly fluorinated substituent, which with high negative dielectric anisotropy low viscosity and high clearing point were emphasized
重點介紹了近年來開發出的一些具有大的介電各向異性、低黏度、高清亮點的新型液晶，如側向氟取代萘環、茚環類，軸向氟代環己烷類，含多氟取代類液晶等。In this paper, pmnt, pznt single crystals in the vicinity of the morphotropic phase boundary were obtained by high - temperature solution technique. the growth, structure and phase stability of single crystals were studied. the results are shown as follows : 1
本論文採用高溫熔液法技術，對用高溫熔液法生長弛豫鐵電單晶材料工藝進行了研究，成功地制備出準同型相界附近的pmnt 、 pznt單晶材料，分析了晶體形成、晶體結構及其相結構穩定性，並對生長機理作了初步探索，主要研究結論如下： 1The liquid infiltration - extrusion technology, as a new forming method which includes the liquid forging and the solid extrusion, has been developed in recent years. the process in essence is that after liquid metal is infiltrated into the fiber perform under pressure, high pressure is directly applied to it so that the melted metal is to be crystallized and solidified under pressure, and then undergoes large plastic deformation at the liquid - solid state or the state just solidified
液態浸滲擠壓是近年來發展起來的一種融液態模鍛和固態擠壓為一體的新成形工藝，其工藝實質是使液態基體金屬在壓力下滲入纖維預制體中，發生壓力下結晶凝固，並在液-固態或剛凝固態經受大的擠壓塑性變形，一次成形出金屬基復合材料的型材類製件。分享友人