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critical solution temperature
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  临界溶解温度
     The ONIPAAm exhibits a low critical solution temperature of about 32-33 癈.
     ONIPAAm的最低临界溶解温度(Low Critical Solution Temperature,LCST)为32-33℃。
短句来源
     Therefore, the florescence intensity at 307 nm was increased by 314% and the antibacterial activity was presented in Mn2+-PNIPAM complex, while the lower critical solution temperature of PNIPAM was not changed.
     因此,在307nm紫外区荧光强度比PNIPAM增强了314%,使该配合物表现出较好的抑菌效果,而此时少量Mn2+对其低临界溶解温度(LCST)影响不大。
短句来源
     It has been also shown that the modified Fe3O4 nanoparticles are featured by lower critical solution temperature (LCST) while the temperature varies from 25℃ to 39℃.
     在25—39℃温度范围内PNIPAM包覆Fe3O4核壳结构纳米粒子具有最低临界溶解温度特性(Lowercriticalsolutiontemperature,LCST)。
短句来源
     The copolymer of certain concentrations was put into thermostatic water bath for low critical solution temperature (LCST) determination. The molecular weight of the copolymer was given as following equation: [ η ]=14.5 × 10~(-2)M~(0..5)(ml/g).
     配制一定浓度的聚合物,置于恒温水槽中,测定低临界溶解温度,根据方程[η]=14.5×10~(-2)M~(0..5)(ml/g)计算其粘均分子量。
短句来源
     Based on the critical solution temperature (CST) of thermoregulated phosphite ligand OPGPP(n=19) in organic solvents of heptane/toluene (volume ratio 0.6), phosphite ligand OPGPP was synthesized and the complex of OPGPP and transition metal catalyst was applied to thermoregulated phase-separable catalysis for the first time, which further widen the basis and application range of thermoregulated phase-separable catalysis.
     本文基于温控亚磷酸酯型膦配体OPGPP(n=19)在有机溶剂正庚烷/甲苯(体积比为0.6)中存在临界溶解温度的特性,合成了亚磷酸酯型膦配体OPGPP,并首次将OPGPP/过渡金属配体物催化剂用于温控相分离催化体系中,进一步拓展了温控相分离催化的立论依据和应用范围。
短句来源
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  临界溶液温度
     Low Critical Solution Temperature of Water-soluble Polymers
     水溶性聚合物的低临界溶液温度
短句来源
     Polymers exhibited lower critical solution temperature (LCST), which showed almost concentration-independent behavior in the range of 2.5-15 wt % of polymers in aqueous solution.
     两种聚膦腈均具有较低临界溶液温度(LCST),在质量分数为2. 5% ~15%的范围内,其LCST与浓度无关。
短句来源
     Below the lower critical solution temperature (LCST), the polymer is soluble in water because of the strong hydrogen bonding between the water molecules and the NIPAM groups.
     在“较低的临界溶液温度”(LCST)以下,因为有水分子和NIPAM基团的强的氢键相互作用,聚合物是水溶性的。
短句来源
     The Lower Critical Solution Temperature(LCST)of the copolymers was determined by fluorescence probe and turbidity measurement method.
     利用浊度法和荧光探针法测定了共聚物的最低临界溶液温度 (LCST) .
短句来源
     The hydrogels show a LCST(lower critical solution temperature) around 30 ℃.
     该水凝胶的最低临界溶液温度(LCST)为30℃左右。
短句来源
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  临界共溶温度
     Investigation of Preparation of Polysulfone Hollow Fiber Ultrafiltration Membranes with Lower Critical Solution Temperature Systems
     下临界共溶温度体系制备聚砜中空纤维超滤膜的研究
短句来源
     It is shown that there are two lower critical solution temperature (LCST) ATP systems in two regions in which SDS or CTAB is excessive. The ATP regions were enlarged with the increasing temperature.
     结果表明 ,该系统可以在 SDS或CTAB过量的两个区域形成双水相 ,属于最低临界共溶温度 ( LCST)类型 ,温度升高导致双水相区域扩大。
短句来源
     The thermal sensitivities of the polymers were studied and found that PDMAA showed a higher critical solution temperature(HCST) within the scope of 20~30 ℃, while PDEAA showed a lower critical solution temperature(LCST) at 31 ℃. The highest water-absorbing power of the polymers reached more than 100 g/g, which was 4~10 times that of the polymer synthesized by conventional method.
     同时对所得的聚合物的吸水率和温度的关系作了考察 ,结果发现 PDMAA具有最高临界共溶温度区域为 2 0~30℃ ,而 PDEAA则具有最低临界共溶温度为 31℃ ,而且它们的最高吸水率达一百多倍 ,是传统方法制备的同类聚合物的吸水率的 4~ 1 0倍 .
短句来源
  “critical solution temperature”译为未确定词的双语例句
     The lower critical solution temperature (LCST) was measured by viscometry.
     采用黏度法测定了聚合物的低温溶解温度(lower critical solution temperature,LCST);
短句来源
     The turbidity curve of PS/PVME blends is determined by the decrease of transmittivity. The PS/PVME system shows the existence of a lower critical solution temperature (LCST) T_c=99℃ at the critical composition of PS, ω_(PS)=20wt%.
     通过透射率的变化确定了未填充的PS/PVME体系的浊点曲线,本实验中PS/PVME二元体系分相为LCST体系,临界组成为ω_(PS)=20wt%,最低临界互溶温度为99℃。
短句来源
     PNIPA-co-AA nanoparticles with lower critical solution temperature(LCST)ranging from 35 ℃ to 45 ℃ were correlated to molar fraction of acrylic acid copolymerized with NIPA.
     PNIPA-co-AA的LCST与参与共聚的丙烯酸单体有关,其LCST可由34℃(PNIPA的LCST)提高至35~45℃;
短句来源
     Moreover, the lower critical solution temperature (LCST) was checked by the P (CS-AAc-NIPAAm) hydrogel. The LCST of hydrogel is 28.5℃, lower than the PNIPAAm hydrogel, while it can decrease with an increase in CS.
     对凝胶的溶胀性能研究表明P(CS-AAc-NIPAAm)水凝胶的LCST(28.5℃)低于PNIPAAm凝胶的LCST(32℃),并且随着CS含量的增加,LCST呈现递减趋势。
短句来源
     used acrylamide copolymerized with N-isopropylacrylamide, which increases the lower critical solution temperature (LCST) to 45°C, as published the LCST is about 32°C;
     2、使用丙烯酰胺与N-异丙基丙烯酰胺共聚提高了温度敏感水凝胶的LCST,使其由文献报道的32℃升高到45℃;
短句来源
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  critical solution temperature
Moreover, the lower critical solution temperature (LCST) of the graft copolymer in aqueous solution was dependent on its grafting extent and concentration.
      
Copolymers of N,N-diethylacrylamide and N-acryloylphthalimide with a lower critical solution temperature (LCST) were synthesized by radical copolymerization.
      
Dynamic membranes were prepared from poly(N-isopropylacrylamide-co-heptadecyl vinyl ketone) having a lower critical solution temperature in an aqueous solution and being a micelle-forming surfactant.
      
The dependence of the critical concentration of the copolymer micellization on temperature was shown to have an extreme character, with a minimum at the lower critical solution temperature of the copolymer.
      
It was found that systems with lower critical solution temperature can exist even when the degree of orientational order in solutions slightly increases as compared with the corresponding values of this parameter in their components.
      
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The years before 1965 We had taken the investigation of the effects of salt on the miscibility for benzene-mthanol system. We discovered salts such as NaI, NaClO_4, NaSCN and NH_4I, which dissolve in methanol but sparingly soluble in benzene can turn the benzene-methanol system to a partial miscible one (a two phase system of three components). In addition, We found also that there exist a fair linear relation between the amount of salt added and the miscible temperature of the partial miscible system formed...

The years before 1965 We had taken the investigation of the effects of salt on the miscibility for benzene-mthanol system. We discovered salts such as NaI, NaClO_4, NaSCN and NH_4I, which dissolve in methanol but sparingly soluble in benzene can turn the benzene-methanol system to a partial miscible one (a two phase system of three components). In addition, We found also that there exist a fair linear relation between the amount of salt added and the miscible temperature of the partial miscible system formed by adding the above salts to benzene-methanol mixture with a fixed molecular ratio. The upper end of such straight lines lies on the binodal curve developed by salt saturation, while the lower end lies on the intrinsic coexistanc(?) curve with the amount of salt equals to zero. The benzene-methanol system, when saturated with NaI, goes form complete miscibility to a par- tial miscible system with an upper critical solution temperature at 130.5℃, but when extrapolated by using the straight lines to zero amount of salt, the intrinsic coexistance curve obtained with U. C. S. T. within the region -60℃~-70℃. Recently, for comparison we recalculated the data of salts in cyclohexane-methanol system, which had studied early by Eckfeldt and Lucasse in 1945. Not only the straight line relationship still present, but also the extrapolated no salt coexistance curve coinsides with the experimental curve of this partial miscible system in ordinary pressure almost completely. According to Prigogine, the following (((?)T)/((?)x3))_c=-1/(2R)((α_(AB)-α_(AS)+α_(BS))(α_(AB)-α_(BC)+α_(AS)))/α_(AB) gives the variation of the eritical solution temperature of a strictly regular solution caused by the addition of a third component. For the α's all are constants, thus this equation represents the li- near relation between temperature variation and the amount of the third oomponent being added. But, although this equation is in fact derived from the critical point of a strictly regular solution, there no reasons to consider it can not serve to any other points on the coexistance curve. Furth- ermore, verified by many experiments, this linear relationship can hold satisfactory for many com- mon binary liquid solutions no matter what special kinds the solution must belong. Therefore the above equation can be written as T=mX_s+T_o by rejecting the restrictions, where m is related to constants α_(AB), α_(AS) and α_(BS).

1965年以前,作者曾研究过一系列盐类(如NaI、NaCIO_4、NaSCN和NH_4I)对苯—甲醇体系混溶性的影响。发现这些能溶于甲醇而在苯中微溶的盐类,会使苯—甲醇体系成为部分混溶。还发现,当两种液体的分子比固定时,加入能引起分层的盐量与其相应的分层温度之间,存在有良好的线性关系。这些直线的上端,位于盐饱和溶液的分层温度曲线上,而下端则可外推至无盐时的分层曲线。苯—甲醇体系,以NaI饱和时即由完全混溶变为部分混溶,上临界温度是130.5℃,但若将直线外推至盐量为零时,其上临界温度约为-60℃~ 70℃。最近,为了进行比较,我们根据 Eckfeldt和Lucasse的工作,重新计算了环己烷—甲醇体系中盐的数据。不仅直线关系仍然存在,而且外推至无盐时的曲线,与常压下这种部分混溶体系的实验曲线几乎完全重合。根据 Prisosine有关加入第三种组分所引起严格正规溶液临界溶解温度改变的关系式,可从热力学分析得到线性方程式T=mXs+T_O,该式的应用范围,不限于严格正规溶液,也不限于临界温度,具有普遍意义。

In previous work the linear relation between the amount of a certain salt added and the miscible temperature has been found for the non-polar-polar binary liquid system. In this paper we will further prove that above linear relation can also be applied to polar-polar binary liquid system by investigating acetone-wa- ter-sodium sulfate system. In addition, the t-X_(Na_2SO_4) lines have been extrapolated to zero amount of salt and a series of t_0 values obtained. From these data the upper critical solution curve...

In previous work the linear relation between the amount of a certain salt added and the miscible temperature has been found for the non-polar-polar binary liquid system. In this paper we will further prove that above linear relation can also be applied to polar-polar binary liquid system by investigating acetone-wa- ter-sodium sulfate system. In addition, the t-X_(Na_2SO_4) lines have been extrapolated to zero amount of salt and a series of t_0 values obtained. From these data the upper critical solution curve is plotted, the critical solution temperature is about-47℃ and its correspon- ding component X_(CH_3COCH_3) 0.18. As might be expected our experimental results are clearly in accord with the qualitative rules of Timmermans and the quantita- tive treatment of prigogine.

前期工作中,曾发现在非极性-极性双液体系中,加入某种能引起该体系分层的盐量与其相应的分层温度之间,存在有良好的线性关系。本工作通过对丙酮-水-硫酸钠体系的实验研究,进一步证实极性-极性双液体系亦能符合上述直线规律。此外,将t-M_Na_2SO_4直线外推至盐量为零,得到丙酮-水体系的上临界混溶曲线,其上临界温度约为—47℃,相应组成XCH_3COCH_3约为0.18。上述实验结果,与Timmermans的定性规律和Prigogine的定量处理一致。

A blend of polycarbonate and poly(ethylene Terephyhalate) was studied by inverse gas chromatography. In agreement with prior studies on polymer blends, the apparent polymer-polymer interaction parameter was found to bc dependent on the chemical nature of the probe. Inverse gas chromatography provides valuable information of the dependence of X with temperature. The critical solution temperature. The critical solution temperature can bc predicated by IGC.

根据反相气相色谱的热力学理论,讨论了其测定相互作用参数时所存在的问题。以PC/PET共混体系为例,研究温度对高聚物相容性的影响,并预示临界互容温度。

 
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