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超加和
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  ultra-addition
     Solid-state condensation polymerization of PBT/PET blends are studied. The experimen tal results of reaction kinetics show that reaction rate of PBT/PET blends are quicker than that of the PBT or PET,and molecular weight (characterized by [η]) of reaction product of PBT/PET blends increase in ultra-addition.
     研究了聚对苯二甲酸丁二酯(PBT)/聚对苯二甲酸乙二酯(PET)共混物的固态缩聚反应,从反应动力学过程的测定结果,表明与纯PET或PBT不同,其反应速度较快,并呈超加和的相对分子质量(以特性粘数[η]表征)增长。
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  “超加和”译为未确定词的双语例句
     In 8.7N HCl,U is a strong cathodic inhibitor while TMP is far less efficient. When the two inhibitors are used in conjunction, only additive effect can be observed,but some impurities inTMP in appreciable amount will cause strong synergism.
     在8.7NHCl中U是强烈的阴极缓蚀剂,它的缓蚀作用比TMP高出许多,当两者复合使用时,TMP中杂质较少时只超加和作用,但杂质较多时能产生强烈的协合作用。
短句来源
     The fundamental differences of the isolation mechanism from well known Gilman′ s reduction mechanism allows to realize superadditive supersensitization effect by the use of compositions of organic substances with a various structures.
     “隔离”机理不同于熟知的 Gilman“还原”机理,根据本机理可通过不同结构有机物的组合应用使超增感作用获得超加和效应。
短句来源
     However, the thiourea and Co 2+ salt exhibit remarkable stabilization effect on the aqueous solutioa of HPAM, furthermore, the outstanding synergistic stabilization of thiourea and Co 2+ salt combination for HPAM was firstly found.
     然而硫脲和二价钴离子对 HPAM水溶液有明显的稳定作用 ,而且二者的复合物对 HPAM水溶液的高温稳定作用有突出的超加和作用 ,是一类高效的 HPAM水溶液的高温稳定剂。
短句来源
  相似匹配句对
     On Identification of Superadditive Ergodic Limits
     关于超加过程的遍历极限的辨识
短句来源
     A note on convex functions and superadditive functions
     凸函数与超加函数的关系研究
短句来源
     With changing the composition and concentration of developers, the behavior of PQ developers is transferred from Lith type to superadditive type.
     通过改变PQ型系列显影液的组分浓度,使该系列显影液的显影特性从Lith型逐渐演变到超加合型。
短句来源
     The fundamental differences of the isolation mechanism from well known Gilman′ s reduction mechanism allows to realize superadditive supersensitization effect by the use of compositions of organic substances with a various structures.
     “隔离”机理不同于熟知的 Gilman“还原”机理,根据本机理可通过不同结构有机物的组合应用使超增感作用获得超加效应。
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The corrosion behavior of YB45 steel (0.485%C; 0.59%Mn;0.28% Si;0.012% S and 0.02%P)in HC1 up to 12 N and the inhibiting effect of different concentrations of hexamethy-lenetetramine (U) and 2, 4, 6-trimethyl-pyridine (TMP) added singly and in combination to 8.7N HCl were studied by the classica potentiostatic polarization method at 25℃. For acid concentrations above 8.7N without inhibitors, the cathodic polarization curves nearly coincide so that corrosion rates increase less significantly with increasing acid...

The corrosion behavior of YB45 steel (0.485%C; 0.59%Mn;0.28% Si;0.012% S and 0.02%P)in HC1 up to 12 N and the inhibiting effect of different concentrations of hexamethy-lenetetramine (U) and 2, 4, 6-trimethyl-pyridine (TMP) added singly and in combination to 8.7N HCl were studied by the classica potentiostatic polarization method at 25℃. For acid concentrations above 8.7N without inhibitors, the cathodic polarization curves nearly coincide so that corrosion rates increase less significantly with increasing acid concentrations. In 8.7N HCl,U is a strong cathodic inhibitor while TMP is far less efficient. When the two inhibitors are used in conjunction, only additive effect can be observed,but some impurities inTMP in appreciable amount will cause strong synergism.These phenomena are explained by saturated adsorption of H~+Cl~- "molecules" in concentrated HC1 and the further adsorption of U on H~+Cl~- layer at the Fe/solution interface.

用经典的恒电势极化曲线方法研究了25℃下,浓度高达12N的盐酸对于45钢的腐蚀以及在8.7N(~28%)HCl中不同浓度六次甲基四胺(U)和2.4.6-三甲基吡啶(TMP)单独或复合加入时的缓蚀作用。发现盐酸浓度在8.7N以上时,阴极极化曲线趋于重合,使腐蚀作用的增加趋势逐渐减缓。在8.7NHCl中U是强烈的阴极缓蚀剂,它的缓蚀作用比TMP高出许多,当两者复合使用时,TMP中杂质较少时只超加和作用,但杂质较多时能产生强烈的协合作用。本文用在Fe/高浓盐酸界面上H~+Cl~-_“分子”达到饱和吸附,U又较强地吸附在H~+Cl~-表面这一观点,对上述现象进行了定性的解释。

Solid-state condensation polymerization of PBT/PET blends are studied. The experimen tal results of reaction kinetics show that reaction rate of PBT/PET blends are quicker than that of the PBT or PET,and molecular weight (characterized by [η]) of reaction product of PBT/PET blends increase in ultra-addition. The ultra-additive effect has been discoursed by theory of solid-state condensation polymerization and ester interchange ,and it is show that ultra-additive effect is related to the increase of reaction...

Solid-state condensation polymerization of PBT/PET blends are studied. The experimen tal results of reaction kinetics show that reaction rate of PBT/PET blends are quicker than that of the PBT or PET,and molecular weight (characterized by [η]) of reaction product of PBT/PET blends increase in ultra-addition. The ultra-additive effect has been discoursed by theory of solid-state condensation polymerization and ester interchange ,and it is show that ultra-additive effect is related to the increase of reaction rate and the formtion of block polymer.

研究了聚对苯二甲酸丁二酯(PBT)/聚对苯二甲酸乙二酯(PET)共混物的固态缩聚反应,从反应动力学过程的测定结果,表明与纯PET或PBT不同,其反应速度较快,并呈超加和的相对分子质量(以特性粘数[η]表征)增长。从反应发生在液相的基本观点出发,说明温度、共混等使液相增多,将加速反应的进行,加上共混物之间的相互缩聚和酯交换,生成嵌段共聚物的结果,导致超加和效应。

This paper outines a series of significant advantages of phenidone (1-pheny1-3-pyrazoli-done) /hydroquinone system in compairon with traditional metol (p-methyl-amino-phenol) /hydroquinone system, closely relating to their practical performance, e. g. : lower optimum concentration for phenidone, thus convenient for preparing more concentrated processing kit; high speed of initial development, appropriate for rapid processing; superadditivity of phenidone with hydroquinone monosulfonate, and reduction of phenidone...

This paper outines a series of significant advantages of phenidone (1-pheny1-3-pyrazoli-done) /hydroquinone system in compairon with traditional metol (p-methyl-amino-phenol) /hydroquinone system, closely relating to their practical performance, e. g. : lower optimum concentration for phenidone, thus convenient for preparing more concentrated processing kit; high speed of initial development, appropriate for rapid processing; superadditivity of phenidone with hydroquinone monosulfonate, and reduction of phenidone oxidation pro duct to phenidone by hydroquinone, thus keeping the phenidon concentration constant in the developer, etc..

本文结合实际使用效果,扼要阐述了,与传统的米吐尔(对甲氨基苯酚)/对苯二酚系统对比,菲尼酮(1-苯基-3-吡咯烷酮)/对苯二酚系统的一系列突出的优点,如:菲尼酮的最佳含量较低,宜于配制成浓缩套药;显影初阶段速率高,有利于快速冲洗;菲尼酮和对苯二酚单磺酸盐的超加和性强,而且菲尼酮的氧化产物能被对苯二酚还原,回复原状,使显影液中的菲尼酮浓度保持恒定,等等。

 
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