液晶相
- 名Liquid crystal phase;liquid crystalline phase
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N,O-苄基壳聚糖在浓溶液中形成胆甾液晶相。
N , O Benzyl chitosan formed cholesteric liquid crystalline phase in concentrated solutions .
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N邻苯二甲酰化壳聚糖在多种常见有机溶剂中能形成胆甾液晶相。
N-phthaloyl chitosan is able to form cholesteric liquid crystalline phase in concentrated solutions of some organic solvents , including DMF , DMSO , DMAc and pyridine .
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用元素分析1、HNMR、IR及MS测试技术表征了产物结构,通过DSC及POM(偏光显微镜)对其液晶相进行了研究。
Their structures were identified by IR , MS , 1H NMR and elemental analysis .
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~2HNMR研究嵌段共聚物溶致液晶相的结构演化与水分子动力学行为
~ 2H NMR studies of the structural evolution and water dynamics in lyotropic liquid crystals containing block copolymers
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本文对单畴的MB80.5(F)样品,应用X光衍射技术,采用二维多丝正比位敏计数器来探测,确定了MB80.5(F)呈现的几种液晶相的类型,及其相变温度。
Its phases and phase transition temeratures have been determined by X-ray diffraction technique with 2D multi-wire position-sensitive detector for single domain of the sample .
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用DSC、偏光显微镜及X射线衍射等研究了这些聚合物的液晶相转变温度及相行为。
The liquid crystalline properties of the polymers prepared were also investigated by differential scanning calorimetry ( DSC ), polarizing microscopy and X-ray measurement .
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结果表明该体系的凝聚胶-液晶相转变温度为300K。
A coagel to liquid crystalline phase transition was observed at 300K .
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室温下,APC/DBP(苯二甲酸正丁酯)溶液体系的重量分数为0.75时,呈现球晶状的胆甾型溶致液晶相。
Solution of APC in dibutyl phthalate ( DBP ) containing more than 75 wt % formed spherulite cholesteric liquid crystalline phase .
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DSC分析表明产物具有较宽的液晶相区,引入侧向氟原子可以有效地抑制近晶相,从而扩大向列相温区。
DSC analyses show that these compounds have a broad nematic range and the substitute of lateral fluorine can suppress the smectic phase effectively , thus broaden the nematic phase .
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以DSC、X-ray衍射、PLM和SALS手段研究了产物的热致液晶相转变及其影响因素和溶致液晶性。
APC thermotropic liquid crystalline phase transition , the texture of APC / DBP lyotropic liquid crystal and influence were studied by DSC , PLM , X-ray diffraction and SALS .
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采用D2O的2HNMR线型和弛豫分析了PEOPPOPEO/D2O/对二甲苯体系的层状和六角液晶相的动力学行为。
The dynamic behaviors of the lamellar and hexagonal liquid crystalline phases of PEO-PPO-PEO / D_2O / p-xylene composite were studied by 2H NMR spectroscopy .
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本文采用偏光显微镜以及光学检测系统研究了外施加电场对LDH胶体分散体系液晶相行为的影响。
The effects of an electric field on the liquid crystalline phase behavior of the colloidal nematic and isotropic LDH dispersions were studied with polarized light microscopy and optical detection system observations .
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PCSi-3G-NO2显示胆甾相和近晶SE相,其液晶相行为是K57SE115I100Ch80SE53K。
PCSi-3G-NO2 is cholesteryl and smectic E liquid crystal , different from the mesogenic unit M-NO2 that shows nematic phase .
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富EC共混物的固相-液晶相转变温度和液晶相-各向同性态转变温度和转变焓均随EC含量增加而增加。
The solid phase-mesophase phase transition temperature , the mesophase-isotropic phase transition temperature and the transition enthalpy of the blends were found increased gradually with the increase of EC content in the EC-rich blend .
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根据脂肪酸在一定pH值范围内转化为脂肪酸钠可以形成液晶相的原理,提出高酸价米糠油液晶态脱酸的新型工艺方法。
Based on principle that fatty acids can be transformed into fatty acid sodium in certainty range of pH , an efficient method was provided for separation of fatty acids in liquid crystal state of rice bran oil with high acid value .
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同时还发现,在PAA溶胀过程中胆甾型液晶相的螺距增加,取向分子层之间的距离减小。
In addition , the pitch of the cholesteric phase increased and the distance between the ordered molecular layers within a pitch decreased with the swelling of the PAA in water .
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本文系统研究了粒子间有效吸引力的引入以及电场的作用对LDH胶体分散体系液晶相行为的影响,以求实现液晶相变的人工调控,为无机溶致液晶的应用奠定基础。
In this thesis , the effects of the introduction of an effective attraction between the colloidal LDH particles and the application of an electric field on the liquid crystalline phase behavior of LDH dispersions have been explored .
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PBA/尼龙6/H2SO4体系液晶相转变动力学研究
Kinetic studies on liquid crystalline phase transitions in PBA / nylon 6 / h_2so_4 systems
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结果表明,PBA/H2SO4向列型液晶相具有过冷状态,可达30&40℃左右,并可生长球晶结构,一般直径可达5毫米左右。
It is shown that nematic mesophase of PBA possesses a - supercooled state . The degree of supercooling reached 30-40 ℃ whereby spherulites were formed .
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随着端基碳原子数的增大,APMT-n的熔点逐渐降低,液晶相稳定性提高。
With the increase in the number of carbon atoms in the alkoxyl chain , the melting point of APMT-n decreased , and the stability of liquid crystal phase was improved slightly .
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在乳状液的油水界面上,存在液晶相。
There was a liquid crystal phase on the emulsion interface .
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乙基纤维素/丙烯酸体系的液晶相行为研究
Study on phase behavior of ethylcellulose / acrylic acid liquid crystal
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这些类似液晶相的分子是很好地关联在一起的。
These molecules liked liquid crystal phrase are linked together commendably .
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一个新的液晶相转变动力学理论
A new approach to the kinetics of liquid crystal phase transition
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两亲分子自组装过程及液晶相的形成
The Self-Assembly Process of Amphiphilic and the Forming of Liquid Crystals Phase
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嵌段共聚物反介观液晶相新方法合成多级有序排列的二氧化硅纳米棒
Synthesis of Hierarchically Arrayed Silica Nanorods via Reverse Amphiphilic Block Copolymer Mesophases
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磁场对乙基纤维素胆甾型液晶相的影响
Effects of magnetic field on the cholesteric phase of ethylcellulose
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经元素分析、质谱和红外光谱分析确证了化合物的分子结构,测定了其液晶相态。
Their structures were determined with 1R , MS and element analysis .
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其液晶相温度范围为86.0~280.0℃。
Their liquid crystal temperature range is from 86.0 ~ 280.0 ℃ .
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液晶相息图用于光学检测
Application of the Liquid Crystal Kinoform for Optical Testing