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plant metabolism
相关语句
  植物代谢
     Applications of EST in Study of the Plant Metabolism
     EST在植物代谢研究中的应用
短句来源
     INFLUENCE OF TEMPERATURE OF ROOT SYSTEM ON PLANT (Ⅱ)──INFLUENCE OF ROOT TEMPERATURE ON PLANT METABOLISM
     根系温度对植物的影响(Ⅱ)──根温对植物代谢的影响
短句来源
     Delayed fluorescence associated with plant metabolism and photosynthesis.
     本论文研究了与植物代谢及光合紧密相关的光诱导延迟荧光特征,以及延迟荧光在环境检测和农业中的应用。
短句来源
     Most vitamins are autotrophic to plants, and plant metabolism is affected by lean content of vitamins under some conditions.
     对植物来说,绝大多数维生素能够自身合成,但其含量在植物体内常常因为某些原因而偏低,从而导致了植物代谢受到一定程度的影响.
短句来源
     The seed-specific promoter commonly under investigation today belongs to promoterⅡ, which can promote the exogenous genes to express specifically in the seed, improve the plant metabolism path as desired, and raise the nourishment material content in the seed.
     目前人们所广泛研究的种子特异性启动子基本上属于Ⅱ类启动子,它可以驱使外源基因在植物的种子中特异表达,按照人们的意愿改进植物代谢途径,提高种子中营养物质含量等。
短句来源
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  “plant metabolism”译为未确定词的双语例句
     Phospholipase A2 (PLA2) and lipoxygenase(LOX) may have some important functions in plant metabolism and signal transduction.
     磷脂酶A_2(PLA_2)和脂氧合酶(LOX)在植物细胞代谢和信号转导中可能起重要作用。
短句来源
     Fatty acid metabolism is one of the most important pathways of plant metabolism, and fatty acids play various important roles in our daily life and industrial manufacture.
     脂肪酸代谢是植物最重要的代谢途径之一,脂肪酸在人们日常生活及工业生产上有重要用途。
短句来源
     The results clearly indicated that N 2O could be a by-product of plant metabolism. The emissions of N 2O from maize and soybean accounted for 93%~100% of the total N 2O emissions in the sand-plant systems, and 79.18%~92% in the soil-plant systems.
     结果表明 :在 5 3d的观测期内 ,玉米、大豆幼苗本身均可排放N2 O ,且在土壤 (砂 ) 植物系统的N2 O排放中占有很大份额 (79 1 8%~ 1 0 0 % ) ;
短句来源
     Study on the fluorescence properties, the application in plant metabolism and distribution and localization of Eu( III ) - TTA system has been undertaken.
     研究了铕(Ⅲ)-TTA(邻-A噻吩甲酰三氟丙酮)体系在有机溶剂和邻菲啰啉衍生物存在下的荧光性质,发现醇类有机溶剂能使Eu(Ⅲ)-TTA体系荧光强度大幅度提高;
短句来源
     In addition,RIPs maybe take part in the regulation of plant metabolism and cell death.
     另外 ,RIPs还可能参与了细胞代谢、细胞死亡等生理调控过程。
短句来源
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  相似匹配句对
     THE METABOLISM OF PLANT INDICAN
     吲(口朶)甙的代谢研究
短句来源
     The Secondary Metabolism of Plant
     植物次生代谢
短句来源
     Plant Phototropism
     植物的向光性
短句来源
     ON THE PLANT PHYLLOTAXY
     植物的叶序
短句来源
     Metabolism of curcumin
     姜黄素的代谢研究
短句来源
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  plant metabolism
Cysteine and derived metabolites display essential roles within plant metabolism such as protein stabilisation through disulfide bridges, stress tolerance to active oxygen species and metals, cofactors for enzymatic reactions as e.g.
      
A novel approach is presented combining quantitative metabolite and protein data and multivariate statistics for the analysis of time-related regulatory effects of plant metabolism at a systems level.
      
The role of sucrose and sucrose synthetase in carbohydrate plant metabolism
      
Tannin and total phenolic levels in the foliage of loblolly pine (Pinus taeda L.) were examined in order to evaluate the effect of atmospheric pollution on secondary plant metabolism.
      
Implications of these findings for possible effects of environmental changes on secondary plant metabolism are discussed.
      
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The occasionally cold current from the north often hits some regions in Southern China.It causes a sudden fluctuation of temperature and brings chilling injury to those temperature sensitive tropical plants.The experimental results indicated that chilling temperature had a marked influence on plant metabolism of Hevea brasi- liensis.With the temperature dropping below the optimum,as its period prolonged, the normal metabolism in the rubber tree was changed.The catabolism of carbo- nhydrate,nitrogen...

The occasionally cold current from the north often hits some regions in Southern China.It causes a sudden fluctuation of temperature and brings chilling injury to those temperature sensitive tropical plants.The experimental results indicated that chilling temperature had a marked influence on plant metabolism of Hevea brasi- liensis.With the temperature dropping below the optimum,as its period prolonged, the normal metabolism in the rubber tree was changed.The catabolism of carbo- nhydrate,nitrogen and phosphorus metabolism were all enhanced and their syntheses were inhioited particularly the toxic substances,e.g.ammonia,was accumulated in the plant.

华南某些地区冬季常受不定期寒流的侵袭,气温突然下降,一些对温度较敏感的热带植物常造成寒害。本试验结果指出:零上低温对橡胶树的物质代谢有显著的影响。随着温度的下降和持续时间的延长,椽胶树的正常代谢发生变化。碳水化合物、含氮化合物、磷化合物的分解代谢加强,合成受阻,特别是有毒物质如氨在植物体内积累。

In the screening of more than 290 components (compounds) isolated from Tripte- rygium wilfordii Hook. f., 4 compounds, T4, T9, TW13 and TW15, were shown to possess a potent male antifertility effect in rats. Their chemical structures were iden- tified and appeared to belong to the same category. Therefore, it is suggested that they may represent different stage products of plant metabolism. Employing internationally accepted assaying method, it was documented that these drugs given orally for 6-7weeks...

In the screening of more than 290 components (compounds) isolated from Tripte- rygium wilfordii Hook. f., 4 compounds, T4, T9, TW13 and TW15, were shown to possess a potent male antifertility effect in rats. Their chemical structures were iden- tified and appeared to belong to the same category. Therefore, it is suggested that they may represent different stage products of plant metabolism. Employing internationally accepted assaying method, it was documented that these drugs given orally for 6-7weeks at dose levels of 50, 100, 30 and 200μg/kg per day, respectively, could cause infer- tility in male rats, At the same time, the sperm density in cauda epididymas, and particularly the sperm motility, were significantly decreased. The sex behavior, serum testosterone and the histology of somatic organs were apparently not affected. The epididymal carnitine level, as well as some genetic and immunological parameters were also assessed. Based on the findings in the testicular histology, and inepididymal sperm and carnitine values, the authors believe that at the doses employed, the main target cells of T4, T9 and TW13 are epididymal spermatozoa and metamorphosing spermatids, while TW15 may damage different stage spermatogenic cells (T4 and T9 were provided by the Institute of Dermatology, Chinese Academy of Medical Sciences, T15 by the China pharmaceutical University and TW 13 by the City University of London, U. K. The British Columbia University of Canada also provided additional amount of TW 13 and TW15).

本文报道了从雷公藤中分离所得290余个组分(化合物),经动物筛选后得到4个雄性抗生育有效化合物(T_4、T_9、TW_(13)及TW_(15)),其化学结构均已确定,属同一类物质,估计为植物代谢不同阶段的产物.用国际公认方法进行药效鉴定的结果表明,4药分别用50、100、30及200μg/kg/日灌胃给药,连续6~7周可使雄大鼠不育。此时,附睾精子密度.特别是活率.明显下降;而性行为.血清睾酮及机体各脏器均未见明显改变。T_9及TW_(15)使附睾肉毒碱明显减少。此外,也作了某些遗传及免疫学观察。本文表明,在所用剂量下。T_4、T_9、TW_(13)的主要靶细胞可能为附睾精子及变态期精子细胞,而TW_(15)则可损伤各级生精细胞及附睾精子。

A study on enzyme activities in the soft loess of wheat fields and legume fields has been conducted for four years in the eastern Gansu. Results show that activities of enzymes in the soil decreased significantly with the deepening of the soil except polyphenol oxidase. The longer the crops grow,the higher the activities of hydrogen peroxidase, saccharase, polyphenol oxidase and proteinase are. Mean while, the activities of urease in perennial legume fields decreased year by year,and that of the others changed...

A study on enzyme activities in the soft loess of wheat fields and legume fields has been conducted for four years in the eastern Gansu. Results show that activities of enzymes in the soil decreased significantly with the deepening of the soil except polyphenol oxidase. The longer the crops grow,the higher the activities of hydrogen peroxidase, saccharase, polyphenol oxidase and proteinase are. Mean while, the activities of urease in perennial legume fields decreased year by year,and that of the others changed unequally. The main factors which influence on enzyme activities are moisture and temperature,i. e. the highest enzyme activities in summer, the lower in spring and autumn. On the contrary, plant metabolism was found to be the leading factor affecting enzyme activities in alfalfa fields, i. e. the lower in summer and the highest in spring and autumn. In sainfoin fields and wheat fields, however, the activities of some enzymes were the same as in bare lands and others were as in alfalfa fields, generally, enzyme activities in wheat fields were higher than that in pastures with hydrogen peroxidase, sucrase, dehydrogenase, urease and proteinase. On the other hand, the activities of oxidase and phosphatase in legume fields were lower than that in wheat fields. It indicates that perennial legumes provide more C.,N. nutrients and higher soil fertility than winter wheat does.

本文对陇东黄绵土牧草和麦地酶活性做了4年连续研究。结果表明,酶的土层垂直分布除多酚氧化酶外,其他酶活性都随土层加深而递减,差异显著。过氧化氢酶、转化酶、多酚氧化酶、蛋白酶活性是随作物生长年限而上升,草地尿酶活性逐年下降,其他酶活性变化不一致。水热是影响裸地酶活性的主要因子,夏季酶活性高,春秋季低;苜蓿地植物代谢在酶活性季节变化中起着主导作用,夏季酶活性较低,春秋季最高;红豆草和麦地部分酶变化同裸地,其他酶同苜蓿地。总之,过氧化氢酶、转化酶、脱氢酶、尿酶和蛋白酶是麦地高于草地,多酚氧化酶和磷酸酶活性是草地高于麦地。表明多年生豆科牧草较小麦更能丰富土壤C、N营养和提高土壤肥力。

 
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