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次生代谢物含量
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  secondary metabolite contents
     Analysis of secondary metabolite contents in original and reborn bark of Eucommia ulmoies
     杜仲原生皮与再生皮次生代谢物含量分析
短句来源
     Effects of Planting Modes on Secondary Metabolite Contents in Eucommia ulmoides Barks
     栽培方式对杜仲皮次生代谢物含量的影响
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  “次生代谢物含量”译为未确定词的双语例句
     Study on dynamic accumulation of secondary metabolites content and isoenzyme activity during blossoming stages in Chrysanthemum morifolium originating from Wenxian county
     怀菊花期次生代谢物含量及同功酶活性动态变化研究
短句来源
     Conclusion The establishment of cultural system for hairy root of H. niger lays foundation for regulating the secondary metabolism of H. niger by genetic engineering technique and for the large-scale production of active drug components.
     结论莨菪发根培养体系的建立为利用遗传代谢工程手段调节莨菪次生代谢物含量和进行药用活性成分的工业化生产奠定了基础。
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     The result showed that 6,7_V medium was the optimal medium for callus growth.
     但在 6,7_V + 1 .0mg/L 2 ,4_D + 0 .1mg/LKIN培养基中的愈伤组织次生代谢物含量最高。 愈伤组织的生长周期为 2 7d ,但在 33d时次生代谢产物的含量最高。
短句来源
     To the leave-colored plants, it is very difficult to eliminate the interferent of the high levels of the secondary compounds - the anthocyanin and polysaccharides in the leaves.
     对彩叶植物来说,组织中的次生代谢物含量很高,叶片中的花色素苷、多糖更是高质量核酸提取过程中难以去除的干扰成分。
短句来源
     Comparison on Secondary Metabolites of Eucommia ulmoides Leaves in Original and Introducing Regions
     引种地与原产地杜仲叶次生代谢物含量比较
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  相似匹配句对
     (2) secondary metabolite synthesis;
     (2)次生代谢物的合成;
短句来源
     Effects of Planting Modes on Secondary Metabolite Contents in Eucommia ulmoides Barks
     栽培方式对杜仲皮次生代谢物含量的影响
短句来源
     Analysis of secondary metabolite contents in original and reborn bark of Eucommia ulmoies
     杜仲原生皮与再生皮次生代谢物含量分析
短句来源
     Comparison on Secondary Metabolites of Eucommia ulmoides Leaves in Original and Introducing Regions
     引种地与原产地杜仲叶次生代谢物含量比较
短句来源
     Study on dynamic accumulation of secondary metabolites content and isoenzyme activity during blossoming stages in Chrysanthemum morifolium originating from Wenxian county
     怀菊花期次生代谢物含量及同功酶活性动态变化研究
短句来源
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The contents of nutriment and some secondary metabolites in fibrous roots of soybean seedlings were determined at 17 days after inoculation with race 4 of Heterodera glycines. The results showed as follows; The content of total sugar in infected roots of susceptible control, Ludou 1, was 46. 01% higher than that in healthy one, meanwhile the contents of total sugar were 24. 91% and 37. 77% lower in the roots of two resistant varieties, Huipizhihei-dou and Yuanboheidou, respectively. Compared to their corresponding...

The contents of nutriment and some secondary metabolites in fibrous roots of soybean seedlings were determined at 17 days after inoculation with race 4 of Heterodera glycines. The results showed as follows; The content of total sugar in infected roots of susceptible control, Ludou 1, was 46. 01% higher than that in healthy one, meanwhile the contents of total sugar were 24. 91% and 37. 77% lower in the roots of two resistant varieties, Huipizhihei-dou and Yuanboheidou, respectively. Compared to their corresponding healthy roots, the contents of fructose, maltotetrose increased 144. 30% and 62. 90% in infected roots of cultivar Ludou 1 respectively, whereas they decreased or increased to a smaller extent in the roots of resistant cultivars. After inoculation, the increasing percentages of the concentrations of total free amino acid as well as arginine, glutamic acid, alanine, aspartic acid, leucine, valine in roots of cultivar Ludou 1 were higher than that in the roots of two resistant cultivars. The contents of cystine either in infected roots or in healthy roots of the two resistant cultivars were all zeros. In response to inoculation, the increases of the contents of total phenolics, chlorogenic acid and fer-ulic acid in the roots of resistant cultivars, Huipizhiheidou and Yuanboheidou, were one time to several times more than these in the roots of susceptible control, Ludou 1. At the same time, the contents of flanvonoid and lignin varied diversely between resistant cultivars and susceptible one, which increased in infected roots of resistant cultivars and decreased in infected roots of Ludou 1 after inoculation.

抗源品种灰皮支黑豆、元钵黑豆和高感品种鲁豆1号为供试大豆材料,大豆孢囊线虫4号生理小种卵和二龄幼虫为接种物。接种后17天,测定大豆根部的营养物质和次生代谢物含量。与不接种对照比,抗源品种灰皮支黑豆和元钵黑豆根部的总糖含量分别降低24.91%和37.77%,而感病对照鲁豆1号升高46.01%,果糖和麦芽四糖含量在感病对照根上增加幅度较大,分别为144.30%和62.90%,但在抗源品种根上或是具有较小幅度的增加,或是表现降低。接种与否,感病对照根上的游离氨基酸总量以及精氨酸、谷氨酸、丙氨酸、天门氨酸、亮氨酸和缬氨酸含量增加的百分数明显高于抗源品种。胱氨酸含量在两个抗源品种上始终为0。接种后,抗感品种根部的总酚含量、绿原酸含量和阿魏酸含量都增加,但抗源品种增加量比感病品种鲁豆1号高出一倍到数倍;类黄酮含量和木质素含量变化在抗感品种间正好相反:抗源品种含量增加,感病品种却为降低。

Through determining the contents of secondary metabolites(active constituents)in Eucommia ulmoides Oliv.(Duzhong)leaves, it is found that secondary metabolites appear dynamic accumulation trend. \ \ Variance analysis of the contents of secondary metabolites is notable in different clones.The result illustrates that the inheritable gene is an important factor in regulating the formation of secondary metaboiltes. \ \ In the growth season of Duzhong leaves, the contents of chlorogenic acid and aucubin are highest...

Through determining the contents of secondary metabolites(active constituents)in Eucommia ulmoides Oliv.(Duzhong)leaves, it is found that secondary metabolites appear dynamic accumulation trend. \ \ Variance analysis of the contents of secondary metabolites is notable in different clones.The result illustrates that the inheritable gene is an important factor in regulating the formation of secondary metaboiltes. \ \ In the growth season of Duzhong leaves, the contents of chlorogenic acid and aucubin are highest in June and November.The content of geniposidic acid is the highest in June,too.The content of flavonoids,however,is the highest in May.The content of gutta percha is the highest in May and June,then decreasing gradually.It seems that correlation exists between dynamic accumulation of secondary metabolites and tree growth rate.

通过对杜仲叶中次生代谢物含量的测定,对其生长积累动态作了以下有关分析:不同无性系的次生代谢物含量差异显著:绿原酸在略1中含量最高(407%),略49中含量最低(127%);桃叶珊瑚甙在略1中含量最高(398%),略49中含量最低(108%);京尼平甙酸在灌3中含量最高(012%),略49中含量最低(005%);总黄酮在略11中含量最高(167%),略41中含量最低(018%);杜仲胶在略1中含量最高(380%),略0中含量最低(176%);表明树木的遗传基因(决定个体生长发育)也是调控次生代谢产物的重要因素。在年周期中,杜仲叶次生代谢物生长积累的动态变化为:绿原酸含量以6月、11月份最高,5月份最低;桃叶珊瑚甙在6月、11月份含量最高,7月、8月份最低;京尼平甙酸在6月份含量最高,5月、11月份最低;总黄酮以5月份含量最高,10月份最低;杜仲胶含量以5~6月份最高,以后逐渐下降。似乎与树体年生长速率存在一定的相关关系。

An ecological study was carried out on secondary metabolites(bioactive constituents) in the leaves of Eucommia ulmoides through determining the contents of the metabolites and ecological factors in the leaves collected from different regions.The results were as follows:\;The contents of metabolites in the leaves collected from different regions showed significant differences.The leaves collected from Zunyi contained the highest contents of geniposide,chlorogenic acid,aucubin,and flavonoids.Geniposidic acid...

An ecological study was carried out on secondary metabolites(bioactive constituents) in the leaves of Eucommia ulmoides through determining the contents of the metabolites and ecological factors in the leaves collected from different regions.The results were as follows:\;The contents of metabolites in the leaves collected from different regions showed significant differences.The leaves collected from Zunyi contained the highest contents of geniposide,chlorogenic acid,aucubin,and flavonoids.Geniposidic acid reached the highest content in the leaves from Cili.The leaves from Luoyang showed the lowest content of geniposide.The contents of chlorogenic acid,aucubin,geniposidic acid and flavonoids were the lowest in the leaves from Yichang,but hightest gutta percha.These showed that ecological factor was also an improtant one in regulating secondary metabolism.\;Stepwise regression analysis and path analysis indicated that the major factor influencing the synthesis and accumulation of metabolites was the contents of trace elements,meteorological factor however,showed little influence.The relationship between the contents of available trace elements in the soil and in the leaves was not in completely direct correlation.Different results were obtained in stepwise regression analysis and path analyses when the contents of trace elements in the soil and in the leaves were used as the main factors respectively.\;Through systematic cluster and fuzzy complex discrimination,it was concluded that the contents of secondary metabolites were high in the leaves from Zunyi(Guizhou Province),Cili(Hunan Province),Lueyang(Shaanxi Province),Tongjiang(Sichuan Province).

通过对不同产地杜仲叶中次生代谢物( 有效成分)含量的测定及其生态因素分析,对杜仲叶次生代谢物进行了生态学研究,结果表明:不同产地杜仲叶次生代谢物含量差异显著:遵义地区的京尼平甙、绿原酸、桃叶栅瑚甙、总黄酮含量最高,慈利地区的京尼平甙酸含量最高;洛阳地区的京尼平甙含量最低,宜昌地区的绿原酸、桃叶珊瑚甙、总黄酮、京尼平甙酸含量最低,但杜仲胶含量最高,从而说明了生态因素也是调控次生代谢物的重要因素。对各生态因子进行逐步回归分析和通径分析的结果表明:影响杜仲叶次生代谢物合成与积累的主要因素是微量元素;土壤中微量元素( 有效态) 与杜仲( 叶) 中微量元素( 植物吸收) 不完全呈正相关关系;以两者为主因素各进行的逐步回归分析和通径分析的结果不一致。通过系统聚类分析和模糊综合评判得出:贵州遵义、湖南慈利、陕西略阳、四川通江4 个地区杜仲叶中次生代谢物含量较高

 
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