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偶联程度
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  coupling degree
     The mechanical and dynamic properties of tin -coupled SSBR with 0~100%of coupling degree were studied.
     研究了偶联程度为0~100%的SSBR的物理机械性能和动态力学性能。
短句来源
     Relations between coupling degree of star SSBR and its properties
     星形SSBR的偶联程度与性能的关系
短句来源
     The sample with 60%~80%of coupling degree behaved the good performance characteristics for tire tread rubber applied.
     偶联程度在60%~80%时具有较佳的综合性能。
短句来源
     It was found that 60% coupling degree was suitable for the rubber compound to obtain the balanced low heat build up and good processibility.
     为了保证胶料达到优异的低生热特性和良好加工性能的综合平衡 ,偶联程度以 60 %为宜
短句来源
     The results showed that the properties of S-SBR are increased with the coupling degree. In order to guarantee the comprehensive properties of coupled S-SBR, the coupling efficiency at 60% is better, when blended with other rubber the coupling efficiency at 100% is best.
     研究结果表明:随偶联程度的提高,S-SBR的物机性能提高,动态性能改善,但加工性能有所下降,S-SBR单用偶联程度以60%为宜,与其他胶种并用偶联程度可选100%;
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  “偶联程度”译为未确定词的双语例句
     R4 increases by 23. 67 % (P< 0. 05 ) , RCR decreases by 1 2. 31% (P<0. 05) and ADP/O decreases by 11. 76% (P<0. 01 ) respectively in the pres- ence of S. Results indicate that the high energy proton leak increases and degree of ox- idative phosphorylation coupling decreases.
     以琥珀酸为底物时,R4增力023.67%(P<0.05),RCR下降12.31%(P<0.05),ADP/O下降11.76%(P<0.01)。 表明高能质子非特异性渗漏增加,氧化磷酸化偶联程度降低。
短句来源
     Results:Isolated mitochondria had a highly activity oxidative phosphorylation and respiratory control ratio(RCR) was between 3.5 and 5.5.The activity of 3H-Lencine incorporation in isolated mitochondria in vitro increased with time of incubation in 60 min and maintained a steady level.
     结果 :分离的线粒体氧化磷酸化偶联程度高 ,呼吸控制率(RCR)在 3.5~ 5 .5之间 ; 体外3 H 亮氨酸的掺入活性在 6 0min内近似线性增长 ,而后维持在一相对稳定水平 ;
短句来源
     Conclusion :The results suggest that mitochondrial respiratory function changes significantly after SCI.
     结论:脊髓损伤后局部线粒体呼吸功能明显受到影响,线粒体内膜通透性增加,线粒体氧化磷酸化的偶联程度明显受到抑制。
短句来源
     Spinach chloroplasts preincubated with aureomycin solution showed higher photophosphorylation activities in cyclic (with PMS) and non-cyclic (with FeCy, MV and BQ+DBMIB) reaction systems.
     用金霉素溶液处理菠菜离体叶绿体,对循环(+PMS)和非循环光合磷酸化(+FeCy、MV或BQ+DBMIB)均可表现出促进作用,表明它对两个能量保存部位都有促进作用。 它能提高磷酸化的偶联程度,增加ADP/O及PC比值。
短句来源
     Conclusion:The results suggest that mitochondrial respiratory function and the content of intramitochondria free calcium change significantly after SCI.
     结论:脊髓损伤后伤段脊髓线粒体呼吸功能和线粒体内游离Ca~(2+)浓度明显受到影响,线粒体内膜通透性增加,线粒体氧化磷酸化的偶联程度明显受到抑制。
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  相似匹配句对
     Relations between coupling degree of star SSBR and its properties
     星形SSBR的偶联程度与性能的关系
短句来源
     the degree of relevance;
     关联的程度
短句来源
     biochemical coupling;
     生化偶联 ;
短句来源
     Reductive Coupling of Isothiocyanic Ester
     异硫氰酸酯的还原偶联
短句来源
     The degree of malignancy is high;
     恶性程度高;
短句来源
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  coupling degree
The receptor was purified in one step from solubilized plasma membranes by affinity chromatography on 6-(β-D-lactosyl)-n-hexylamine coupled to N-hydroxysuccinimide activated Sepharose with a coupling degree of 7.6 μmol/ml gel.
      
The allosteric effectors, e.g., metabolites, cofactors, ions, hormones, and the membrane potential are suggested to change the activity and the coupling degree of cytochromec oxidase by binding to specific sites at nuclear coded subunits.
      
Numerical results have shown that the Fermi surface of these correlated particles undergoes a flattening effect according to the coupling degree J.
      
Nowadays, to maintain a software is a difficult task, since there is a high coupling degree between the software itself and its environment.
      
Regarding awareness, the difference in the used techniques is an immediate consequence of the coupling degree.
      


(1)When etiolated wheat seedlings were illuminated, chlorophyll appeared immediately, but no photophosphorylation activity could be found. After about 3 hrs. of greening, photophosphorylation activity began to appear and its rate, calculated on chlorophyll basis, increased up to 7—8 hrs., after which it became more or less constant, while the chlorophyll content of the chloroplasts continued to rise.(2)The capacity of ATP formation(per nag. chlorophyll)by cyclic photophosphorylation was much higher than that...

(1)When etiolated wheat seedlings were illuminated, chlorophyll appeared immediately, but no photophosphorylation activity could be found. After about 3 hrs. of greening, photophosphorylation activity began to appear and its rate, calculated on chlorophyll basis, increased up to 7—8 hrs., after which it became more or less constant, while the chlorophyll content of the chloroplasts continued to rise.(2)The capacity of ATP formation(per nag. chlorophyll)by cyclic photophosphorylation was much higher than that by noncyclic photophosphorylation at the early stages of greening, but their difference became smaller as the greening goes on.When the capacity of ATP formation by cyclic photophosphorylation was compared with the O_2 evolving power by noncyclic photophosphorylation, no such difference in ratio during greening was observed. This fact indicates, that the low capacity of noncyclic photophosphorylation is mainly due to its lower degree of coupling, and not to the involvement of a O_2 evolving step which might develop slower. The development of the ATP formation capacity of the oxidative photophosphorylation with DCPIPH_2 as hydrogen donor during greening behaved similarly to that of noncyclic photophosphorylation, and also lagged behind that of cyclic photophosphorylation. This fact further confirms the conclusion that the cause of delayed development of ATP formation capacity by noncyclic photophosphorylation is not connected with the O_2 evolving step.(3)The light intensity required to saturate the photophosphorylation and Hillreaction activities of the greening wheat-seedling chloroplasts was found to be similar to that of fully green control. At the beginning of the development of the photophosphorylation capacity, it had a strong"light intensity effect", i.e. the slowing down of the rate of electron transport at low light intensity resulted in an uncoupling of the phosphorylating mechanism. This phenomenon may have some relation to the extraordinarily low capacity of ATP formation of noncyclic photophosphorylation at the early stage of greening.(4)During greening of etiolated wheat seedlings, the appearance of CO_2 assimilation was approximately simultaneous to that of the photophosphorylation capacity, but the activity calculated on chlorophyll basis, seemed to reach a maximum much earlier.

(1)黄化小麦幼苗初变绿时,光合磷酸化活力之发生远较叶绿素的生成为迟。在实验条件下,照光变绿3小时后,才可测得光合磷酸化活力,且其按叶绿素为基础计算的活力随照光变绿时间的增加而增加,至照光变绿7—8小时后,叶绿体上叶绿素含量尚在继续增加,但光合磷酸化活力则趋向恒定。(2)在黄化幼苗变绿初期,测得的循环光合磷酸化ATP形成能力较非循环光合磷酸化ATP形成能力高得多,以后较接近;但将循环光合磷酸化之ATP形成能力与非循环光合磷酸化之放氧能力相比较,则其比例在不同时期相差不大。这说明,在变绿初期非循环光合磷酸化之ATP形成能力特别小的原因,主要是由于当时它的偶联程度特别低,并不是因为它较循环光合磷酸化多牵涉到放氧等步骤,而这些步骤可能发生得较晚所致。以DCPIPH_2作氢供体的氧化光合磷酸化活力的最初增长情况与以Fe(CN)_6~≡作氢受体的非循环光合磷酸化ATP形成能力的增长情况一样,均比以PMS促进的循环光合磷酸化活力增长时间为晚,这结果也有助于证明非循环光合磷酸化ATP形成能力增长较晚的原因与它牵涉到放氧步骤无关。(3)使黄化变绿幼苗光合磷酸化、希尔反应活力达到饱和所需的光强度与绿苗所需的相仿。变...

(1)黄化小麦幼苗初变绿时,光合磷酸化活力之发生远较叶绿素的生成为迟。在实验条件下,照光变绿3小时后,才可测得光合磷酸化活力,且其按叶绿素为基础计算的活力随照光变绿时间的增加而增加,至照光变绿7—8小时后,叶绿体上叶绿素含量尚在继续增加,但光合磷酸化活力则趋向恒定。(2)在黄化幼苗变绿初期,测得的循环光合磷酸化ATP形成能力较非循环光合磷酸化ATP形成能力高得多,以后较接近;但将循环光合磷酸化之ATP形成能力与非循环光合磷酸化之放氧能力相比较,则其比例在不同时期相差不大。这说明,在变绿初期非循环光合磷酸化之ATP形成能力特别小的原因,主要是由于当时它的偶联程度特别低,并不是因为它较循环光合磷酸化多牵涉到放氧等步骤,而这些步骤可能发生得较晚所致。以DCPIPH_2作氢供体的氧化光合磷酸化活力的最初增长情况与以Fe(CN)_6~≡作氢受体的非循环光合磷酸化ATP形成能力的增长情况一样,均比以PMS促进的循环光合磷酸化活力增长时间为晚,这结果也有助于证明非循环光合磷酸化ATP形成能力增长较晚的原因与它牵涉到放氧步骤无关。(3)使黄化变绿幼苗光合磷酸化、希尔反应活力达到饱和所需的光强度与绿苗所需的相仿。变绿初期的叶绿体,其光合磷酸化作用有很强的“光强效应”,卽弱光下电子传递速度慢、PSP活力低时,与磷酸化的偶联程度会急剧下降。这现象可能是造成变绿初期测得的非循环光合磷酸化ATP形成能力特别低的原因。(4)黄化幼苗变绿时,同化CO_2能力之发生时间与光合磷酸化活力之发生时间差别不大,但以叶绿素为基础计算,前者的活力较早达到恒定。

Spinach chloroplasts preincubated with aureomycin solution showed higher photophosphorylation activities in cyclic (with PMS) and non-cyclic (with FeCy, MV and BQ+DBMIB) reaction systems.These results indicate that aureomycin has the stimulatory effect on both energy conserving sites of electron transport chain.The preparation also showed higher coupling efficiency in ADP/O ratio.

用金霉素溶液处理菠菜离体叶绿体,对循环(+PMS)和非循环光合磷酸化(+FeCy、MV或BQ+DBMIB)均可表现出促进作用,表明它对两个能量保存部位都有促进作用。它能提高磷酸化的偶联程度,增加ADP/O及PC比值。在对光合磷酸化有促进作用的情况下,用两阶段光合磷酸化法测定,它对高能态的积累略有增加或影响不大,但它能显著增加叶绿体的延迟发光。它对叶绿体膜上Mg~(2+)-ATP_(ase)及偶联因子Ca~(2+)-ATP_(ase)活力有抑制。金霉素溶液的荧光强度可被加入偶联因子所提高,这些都表明金霉素至少有一个作用部位与偶联因子有关。文中对它能促进光合磷酸化作用的机理进行了讨论。

The effect of 6-benzylaminopurine (6-BA) on photophosphorylation of spinach chloroplasts has been studied and the following results have been obtained:

在反应介质pH 7.2条件下,观察到6-BA处理叶绿体后,能促进循环(+PMS)和非循环(+FeCy或MV)的光合磷酸化反应,提高叶绿体的偶联程度,增加P/e_2比值。此促进现象与叶片的生理状态密切有关。在对光合磷酸化有促进作用的情况下,6-BA可改善类囊体的能化状态,增加高能态的积累。对光激活的叶绿体膜上Mg~(2+)-ATP酶和偶联因子热活化的ATP酶活力均表现出促进作用。6-BA的作用部位可能与膜上的偶联因子有关。

 
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