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pure polymer
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  纯聚合物
     When the ratio of OMMT/SiO2 was 3∶2, APP/MA was 5∶4, ZnO/APP was 1.5∶10,comparing pure polymer its oxygen index of the materials improved 33.3%.
     当OMMT∶SiO2为3∶2,APP∶MA为5∶4,ZnO∶APP比值为1·5∶10时,材料的极限氧指数较纯聚合物提高了33·3%。
短句来源
     In separation of water-ethanol mix-ture by pervaporation the ionic membranes showed better results than pure polymer membraneboth in flux and separation factor. The best one was the membrane containing Ba~(2+).
     结果表明,离子膜在渗透速率及分离系数两方面均好于纯聚合物膜。 在以上四种离子膜中,含Ba~(2+)离子膜的性能最好,这表明Ba~(2+)离子不仅使膜更加亲水,增加了对水的溶解度,而且由于Ba~(2+)离子引起聚合物分子链间的交联,而使膜变得更加致密,从而提高了膜的分离系数。
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     This discussion reports activities relating to the fundamental understanding of the ionic transference in polymer electrolytes, the composition of the SEI layer as well as new pure polymer electrolytes.
     阐述了聚合物电解质中离子迁移的基本概念、固体电解质膜 (SEI)层以及纯聚合物电解质的组成 ;
短句来源
     A cubic equation of state, Patel-Teja EOS was extended to model gas solubility in polymer, which the parameters of polymer a, b and c of P-T EOS were obtained by fitting the PVT of pure polymer With these parameters and combined with two different mixing rules, WS mixing rule with Florry-Huggins model and vdW mixing rule, the satisfied correlation results of gas solubility in polymer were obtained
     将PT状态方程应用到气体在聚合物中的溶解度计算,采用拟合纯聚合物PVT的方法,解决了PT状态方程用于聚合物时的参数问题,分别用与Flory Huggins的GE模型相结合的Wong-Sandler和vanderWaals混合规则来关联计算气体在聚合物中的溶解度,其计算结果平均相对误差分别为1 846%和6 784%。
短句来源
     The yellow index of blends at different mixing time and thermal aging time increased obviously than that of pure polymer.
     在不同混炼时间及热老化时间下,共混物的黄度指数相对纯聚合物有明显提高。
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  纯净聚合物
     The measurement of molecular weight and degree of hydrolysis of polymer produced in polymer flooding well is a problem not been solved, which may effect the study on concentration and existence form of the polymer. The traditional way can only be used for pure polymer solution, for the influence of salinity and other impurities leading to great error.
     聚合物分子量和水解度的测定仅限于纯净聚合物溶液,而对于含盐和其它杂质的油井产出液来说,传统的测定方法误差较大,影响了聚合物驱油井产出聚合物浓度的监测及地层聚合物存在形式的研究。
短句来源
  “pure polymer”译为未确定词的双语例句
     When the ratio of OMMT/SiO_2 is 3:1, APP/MA is 1.2:1, ZnO/APP is 1/12~1/10 ,comparing pure polymer its oxygen index of the materials improved 33.3%.
     当OMMT∶SiO2为3∶1,APP∶MA为1·2∶1,ZnO∶APP为1/12~1/10时材料的极限氧指数提高了33·3%。
短句来源
     The water flux of the membranes prepared from PSf/ polyether blends exhibited higher water flux than the membrane prepared from pure polymer PSf or polyether without any change in solute rejection.
     PSf/聚醚类高聚物共混膜的水通量要高于纯PSf和纯聚醚类高聚物且截留率几乎没有变化.
短句来源
     The pure polymer and the pure plasticizer prepared by separated and concentrated were detected by FT-IR transmission method respectively. The results were PVC and DEHA after search its spectrogram in the library and the match degree were 92.2% and 96.8% respectively.
     [结果]将分离纯化后的样品与浓缩得到的较纯的增塑剂分别进行红外光谱透射检测,将得到的光谱图进行谱库搜索,结果分别是PVC和DEHA,匹配率分别为92.2%和96.8%。
短句来源
     The pure polymer gel has low mechanical strength, but the new multi-function composite gel has high mechanical strength, which can control the down-hole loss circulation effectively.
     纯粹的聚合物凝胶力学强度相对较低,而新型多功能复合凝胶的力学强度相对较高,能有效的解决井下地层漏失。
短句来源
     The results indicated that polymer enhanced by foam has the distinct advantage to solve the problem of channeling owing to big pore path during pure polymer flooding process.
     研究结果表明,泡沫增强聚合物本体系对解决单一注聚合物过程中聚合物溶液沿大通道窜流问题具有明显优势。
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  pure polymer
In addition to producing particles of pure polymer, drug particles were encapsulted in polymeric microparticles.
      
The majority of the systems under study are characterized only by redistribution of intensities of the spectral bands corresponding to the pure polymer accompanied by their minor shift.
      
Viscosity components of bioadhesion (1%) were calculated from the equation, ηt = ηm + ηp + ηb, where ηp is the viscosity of corresponding pure polymer solution as measured by an Ostwald viscometer.
      
The decrease in the storage modulus of the hybrids with rise in temperature was observed to be much smaller as compared to that of pure polymer.
      
Tensile strength of the films was found to increase with increase in titania concentration relative to pure polymer and maximum strength was obtained for 5-wt% titania, but elongation at break was observed to decrease sharply on addition of titania.
      
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Six kinds of PAN samples are studied by DTA,TG,TPDR, determination of functional groups containing oxygen and analysis of pore texture. The results show that the difference of sample composition leads to the difference of carboxy number,and the increase of carboxy number leads to the decrease of special area. Heat effects of cycligation reaction for six samples are different and the pure polymer generates more heat than other samples. The heat generated by the reaction is decreased after the introduction...

Six kinds of PAN samples are studied by DTA,TG,TPDR, determination of functional groups containing oxygen and analysis of pore texture. The results show that the difference of sample composition leads to the difference of carboxy number,and the increase of carboxy number leads to the decrease of special area. Heat effects of cycligation reaction for six samples are different and the pure polymer generates more heat than other samples. The heat generated by the reaction is decreased after the introduction of carboxy group. With increasing of carboxy number of samples bulk or decreasing of special area,activation energy of cycligation reaction is decreased. When cycligation reaction for PAN happened in air,the various steps happen in following order: oxidation, cycligation of cyan-thermal decomposition and dehydrogenation .

本文以 DTA、TG、TPDR及本体含氧官能团测定、孔隙结构分析为实验手段,对六种粉末状、纤维状样品进行了研究。结果表明:样品组成不同导致了本体羧基数目不同,而羧基数目增加引起了比表面积下降。不同的样品其环化反应热效应各不相同,纯聚体环化时放热较为剧烈,引入羧基后放热现象减缓。随样品本体羧基数目增加或比表面积下降,环化反应活化能下降,反应易于进行。当 PAN在空气气氛中进行环化反应时,各步骤发生的顺序为:氧化→氰基环化→热解脱氢,且三者互有交叠,样品特性只对前两者具有影响。

Mechanical properties, compatibility, and processibility of LLDPE/LDPE, LLDPE/HDPE, HDPE/PP, and HDPE/PP/EVA blends wereinvestigated with differential scanning calorimeter and capillaryrheometer. LLDPE/HDPE blend system appeared to be compatible inthe range of all compositions. Moreover, at the ratio of 30/70, tensilestrength of the blend was over either of the two pure components,and theprocessibility was superior to that of LLDPE. LLDPE/LDPE was anmulti-phase blend which is incompatible or showed critical...

Mechanical properties, compatibility, and processibility of LLDPE/LDPE, LLDPE/HDPE, HDPE/PP, and HDPE/PP/EVA blends wereinvestigated with differential scanning calorimeter and capillaryrheometer. LLDPE/HDPE blend system appeared to be compatible inthe range of all compositions. Moreover, at the ratio of 30/70, tensilestrength of the blend was over either of the two pure components,and theprocessibility was superior to that of LLDPE. LLDPE/LDPE was anmulti-phase blend which is incompatible or showed critical compatibility.It did not show remarkable cooperation effect on tensile properties.when the content of LLDPE was below 40%, the mechanical propertieswere lower than those expected by addition rule. Blends of HDPE/PPdisplayed very poor compatibility. The mechanical properties werelower than those of pure polymers, However, the processibility of theblend with ratio of 10/90 was superior to that of pure components.Addition of EVA in HDPE/PP blend did not have expected enhancementon mechanical properties, but worsened processibility of HDPE/PPblends at lower shear rate.

研究了LLDPE/HDPE、LLDPE/LDPE、HDPE/PP及HDPE/PP/EVA各共混体系的配比对拉伸性能的影响,并利用示差扫描量热计、毛细管流变仪分别对其中某些共混物的相容性及加工性能作了进一步探讨。结果表明,LLDPE/HDPE两组分能以任何配比互混,且配比为30/70时拉伸性能超过了纯组分,加工行为优于LLDPE;LLDPE/LDPE是不相容或存在极限相容性的多相共混物,其拉伸性能没有表现出强烈的协同效应,且配比低于40/60时,拉伸性能低于预料的迭加值;HDPE/PP是相容性很差的共混体系,其拉伸性能低于纯组分,在HDPE/PP共混物中加入EVA(乙烯-醋酸乙烯共聚物)后,其拉伸性能没有得到可望的改善,却降低了低剪切速率时的加工行为。

Crystallization behavior of blends of poly (ethylene terephthalate) (PET) and ABS was investigated under isothermal and nonisothermal conditions. The results show that the rate of crystallization of PET component is predominated by the composition. When the content of ABS is less than 20 wt%, the rate of crystallization decreases. However, the crystallization of PET is hardly affectd by ABS as the ABS content is 20 wt%. The rate of crystallization reaches its maximm, approching that of pure polymer, with...

Crystallization behavior of blends of poly (ethylene terephthalate) (PET) and ABS was investigated under isothermal and nonisothermal conditions. The results show that the rate of crystallization of PET component is predominated by the composition. When the content of ABS is less than 20 wt%, the rate of crystallization decreases. However, the crystallization of PET is hardly affectd by ABS as the ABS content is 20 wt%. The rate of crystallization reaches its maximm, approching that of pure polymer, with a certain level of crystallinity developed. When the content of ABS increases up to 30 wt%, the crystallization rate significantly decreases. The mechanism of crystallization was scarcely influenced by temperature, composition, and cooling rate in the temperature range of 190 to 210 ℃ and at the cooling rates of 5 and 10 deg/min.

本文研究了聚对苯二甲酸乙二酯(PET)与ABS共混体系在等温和非等温条件下的结晶行为。结果表明,PET组分的结晶速率与ABS的含量有关。当ABS含量低于20wt%时,对PET的结晶起阻碍作用;当ABS含量达20wt%时,对PET结晶速率影响很小,但共混物的结晶速率达到极大值,接近于纯PET的结晶速率,且具有一定的结晶度。当ABS含量继续增加,达到30wt%时,结晶速率又明显下降。考察了在190~210℃范围内的等温结晶,以及在5和10deg/min的降温速度下的非等温结晶,发现温度、组成及冷却速度对结晶机理的影响均很小。

 
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