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extracts    
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  提取物
    Thirty-nine compounds were identified in the steam distillation extracts,the major components were α-pinene,β-pinene,β-phellandrene,trans-caryophyllene,isolongifolene and camphene.
    水蒸气蒸馏法的提取物中鉴定出39种组分,其中的主要成分为α-蒎烯、β-蒎烯、β-水芹烯、异长叶烯、反式-石竹烯、莰烯。
短句来源
    The Contact Effect of Extracts from Walnut Leaves on Aphid
    核桃叶提取物对蚜虫的触杀作用
短句来源
    Biological Activities of Extracts of 28 Species of Plants against Bursaphelenchus xylophilus
    28种植物提取物对松材线虫的毒杀作用
短句来源
    Inhibition of plant extracts,sodium carbonate and sodium bicarbonate on the pathogen of poplar canker Botryosphaeria dothidea
    植物提取物、碳酸钠和碳酸氢钠室内对杨树溃疡病菌生长的抑制作用
短句来源
    After the extracts from pine needles and poplar bark as feed additives were stored at room tem-perature and controlled light,the contents of biologically active substances(vitamin E,carotene and chloro-phyll) reduced, The relationship between the percentages of contents and storage time is agreeable with therule expressed by the regression equatiOn Y=-ax ̄b(0<b<1).
    松针提取物和杨树皮提取物饲料添加剂,在室温避光条件下贮藏,生物活性物质(维生素E、胡萝卜素和叶绿素等)降低的含量百分率与贮藏时间关系,符合Y=-ax ̄b(0<b<1)的变化规律。
短句来源
更多       
  提取物
    Thirty-nine compounds were identified in the steam distillation extracts,the major components were α-pinene,β-pinene,β-phellandrene,trans-caryophyllene,isolongifolene and camphene.
    水蒸气蒸馏法的提取物中鉴定出39种组分,其中的主要成分为α-蒎烯、β-蒎烯、β-水芹烯、异长叶烯、反式-石竹烯、莰烯。
短句来源
    The Contact Effect of Extracts from Walnut Leaves on Aphid
    核桃叶提取物对蚜虫的触杀作用
短句来源
    Biological Activities of Extracts of 28 Species of Plants against Bursaphelenchus xylophilus
    28种植物提取物对松材线虫的毒杀作用
短句来源
    Inhibition of plant extracts,sodium carbonate and sodium bicarbonate on the pathogen of poplar canker Botryosphaeria dothidea
    植物提取物、碳酸钠和碳酸氢钠室内对杨树溃疡病菌生长的抑制作用
短句来源
    After the extracts from pine needles and poplar bark as feed additives were stored at room tem-perature and controlled light,the contents of biologically active substances(vitamin E,carotene and chloro-phyll) reduced, The relationship between the percentages of contents and storage time is agreeable with therule expressed by the regression equatiOn Y=-ax ̄b(0<b<1).
    松针提取物和杨树皮提取物饲料添加剂,在室温避光条件下贮藏,生物活性物质(维生素E、胡萝卜素和叶绿素等)降低的含量百分率与贮藏时间关系,符合Y=-ax ̄b(0<b<1)的变化规律。
短句来源
更多       
  提取物
    Thirty-nine compounds were identified in the steam distillation extracts,the major components were α-pinene,β-pinene,β-phellandrene,trans-caryophyllene,isolongifolene and camphene.
    水蒸气蒸馏法的提取物中鉴定出39种组分,其中的主要成分为α-蒎烯、β-蒎烯、β-水芹烯、异长叶烯、反式-石竹烯、莰烯。
短句来源
    The Contact Effect of Extracts from Walnut Leaves on Aphid
    核桃叶提取物对蚜虫的触杀作用
短句来源
    Biological Activities of Extracts of 28 Species of Plants against Bursaphelenchus xylophilus
    28种植物提取物对松材线虫的毒杀作用
短句来源
    Inhibition of plant extracts,sodium carbonate and sodium bicarbonate on the pathogen of poplar canker Botryosphaeria dothidea
    植物提取物、碳酸钠和碳酸氢钠室内对杨树溃疡病菌生长的抑制作用
短句来源
    After the extracts from pine needles and poplar bark as feed additives were stored at room tem-perature and controlled light,the contents of biologically active substances(vitamin E,carotene and chloro-phyll) reduced, The relationship between the percentages of contents and storage time is agreeable with therule expressed by the regression equatiOn Y=-ax ̄b(0<b<1).
    松针提取物和杨树皮提取物饲料添加剂,在室温避光条件下贮藏,生物活性物质(维生素E、胡萝卜素和叶绿素等)降低的含量百分率与贮藏时间关系,符合Y=-ax ̄b(0<b<1)的变化规律。
短句来源
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  extracts
The aqueous and solvent extracts when tested against 11 gram-negative and 2 gram-positive bacteria and 3 fungi expressed activity to most of the organisms.
      
Methanol extract showed more activity amongst all the solvent extracts, particularly remarkable activity recorded against gram-positive bacteria.
      
Aqueous and organic solvent extracts tested by agar-well diffusion method against 12 human pathogenic bacteria and 3 fungal strains showed activity to most of the organisms.
      
Fermentation broth and cell extracts were tested against typed test organisms.
      
The activity profiles of the intracellular and extracellular crude extracts showed that the antibiotic producing culture produces two or more compounds, one being intracellular (antifungal), other being extracellular (antibacterial).
      
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The effectiveness of different patterns of shelterbelt in the Pearl River Delta was investigeted and a mathematical model of protective effect for the different types of structures of the shelterbelt,based on statistics by extracting 202 random data, has been constructed. viz; ( y = 0.19094a + 27.53397 T +1.36578 L + 1.84616V -18.89249) . An investidation was carried out into the inner relations between the factors of the shelterbelt structure and protective effect by means of integrated analysis. In the...

The effectiveness of different patterns of shelterbelt in the Pearl River Delta was investigeted and a mathematical model of protective effect for the different types of structures of the shelterbelt,based on statistics by extracting 202 random data, has been constructed. viz; ( y = 0.19094a + 27.53397 T +1.36578 L + 1.84616V -18.89249) . An investidation was carried out into the inner relations between the factors of the shelterbelt structure and protective effect by means of integrated analysis. In the meantime,the relations between the adjustment of the shelterbelt structure and the protective effect were studied. The results showed that the windbreak effect within the network of shelterbelt depends mainly on the penetrability of the shelterbelts,the index of wind-resistance of different tree species, width of the shelterbelts, wind-speed and wind direction. It is shown that adjusting the belt structure is of great immediate significance to agricultural production.

本文调查了不同林带结构的防风效应。应用数理统计的方法,随机抽取202个数据,建立一个林带结构防风效应的数学模式, 即:Y=0.19094α+27.53397T+1.36578L+1.84616V-18.89249,以综合分析的手段,探讨林带结构因子与防风效应的内在关系。同时,也进行了调节林带结构与防风效应关系的研究。结果表明,林网内的防风效应主要取决于林带的疏透度,与林带树种防风特性指标、林带宽度、风速和风向也有密切关系;人工调节林带结构的措施在农业生产上具有重大意义。

The paper is concerned with the seasonal variability in rooting capability of×Populus pekinensis stem cuttings and the effect of buds treated with IBA. The endogenous plant hormones are extracted and sisolated from the buds and bark in the different time of the year, and the relaton between plant hortnone level and rooting capability of×Populus pekinensis cuttings has changes in different seasons. However, the cuttings with buds root always better than those without buds. The effect of IBA on rooting capability...

The paper is concerned with the seasonal variability in rooting capability of×Populus pekinensis stem cuttings and the effect of buds treated with IBA. The endogenous plant hormones are extracted and sisolated from the buds and bark in the different time of the year, and the relaton between plant hortnone level and rooting capability of×Populus pekinensis cuttings has changes in different seasons. However, the cuttings with buds root always better than those without buds. The effect of IBA on rooting capability is different in cuttings with or without buds. It is also changing in different seasons. It is proved by bioassay and GC measurements that the capability of sprouting and rooting of×Populus pekingensis cuttings is closely related to inhibitoris, among the endogenous ABA appears the most effective component.

本文研究了易生根的北京杨茎插穗插条生根能力的年变化以及芽和吲哚丁酸(IBA)对生根能力的影响。在此基础上进一步研究了芽和皮中內源激素的消长与生根能力的关系,还论述了北京杨插穗生根能力存在着季节变化。用生物鉴定和气液色谱分析证明:北京杨插穗的发茅、生根与内源抑制物质消长有密切关系,而抑制物质的主要成份是脱落酸。

Ten varieties and families of Vernicia fordii selected through 2-3 cycles in light of the selection ends have been kept under observation for 5 years. It has been found that the main economic characters, such as branching capacity, the number of the flore scent fruit, tree form, and yield, remain relatively consistent within each variety or family, and manifest a relative stable hereditary feature. The populations show obvious yield superiority, with the heritability all over 70% and the genetic gains in Zhetong...

Ten varieties and families of Vernicia fordii selected through 2-3 cycles in light of the selection ends have been kept under observation for 5 years. It has been found that the main economic characters, such as branching capacity, the number of the flore scent fruit, tree form, and yield, remain relatively consistent within each variety or family, and manifest a relative stable hereditary feature. The populations show obvious yield superiority, with the heritability all over 70% and the genetic gains in Zhetong Select No. 7, 5, 9, 2, 08, 10, 15 reaching 30.14%. Other advantages having been proved are the high economic coefficient expressed by the Tungoil extracting rate of fresh fruits, excellent seeds with germination rates over 90%, high-quality tungoil with the elaeostearic acid content over 75% and the wide adaptbility and high resistance.

本文根据选种目标,经过2-3个轮回选择的油桐十个品种、家系的连续5年的测试发现其发枝力、果序丛生量、杆形和产量等主要经济性状各自保持相对一致,且具相对稳定的遗传特征。它们的遗传力均高于70%,其中浙桐选 7、5、9、2、08、10、15号等可获得30.14%的遗传增益,表现了明显的群体产量优势。另外,它们的经济系数(鲜果出油率)高,种子品质优良(发芽率达90%以上),油质好(桐酸含量75%以上),并具有较强的适应性和抗性。

 
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