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pine pollens
相关语句
  松粉
     Aromatic Distribution Characteristics in Lighter Hydrocarbons and Discussion of the Evolution Mechanism of β Carrotenes During Thermal Simulation of Pine Pollens
     松粉热模拟轻烃中芳烃分布特征及β-胡萝卜素的演化机理讨论
短句来源
     Biomarker Distributions of Saturated Hydrocarbons from Remains Extracts of Thermal Simulation of Pine Pollens
     松粉热模拟产物中饱和烃生物标志物分布
短句来源
     The temperature-pressure simulation experiments of pine pollens indicate that the contraction ratio of pollen grains may exceed 40% and that of the air chamber is even greater.
     松粉温—压模拟实验研究表明 ,热演变过程中随颜色加深 ,花粉个体大小收缩率可达 4 0 %以上 ,并且气囊比本体收缩率更高。
短句来源
  “pine pollens”译为未确定词的双语例句
     A STUDY ON THE γ-RADIATION STERILIZATION EFFECT OF MASSON PINE POLLENS
     松花粉辐射灭菌及贮藏效果的研究
短句来源
     Sterilization effect of radiationon masson pine pollens
     松花粉辐射灭菌效应的研究
短句来源
     Characteristics and Thermal Evolvution of the Steroid Biomarkers from Pyrolysis of Pine Pollens
     松花粉热降解甾族分子生物标志化合物及其热演化特征
短句来源
     The γ-radiation sterilization effect of masson pine pollens was studied. The nutrient contents of proteins, amino acids and trace-elements were determined. The optimal dose was 6~12 kGy.
     利用60Coγ射线对松花粉进行辐照消毒灭菌,6kGy辐照剂量对松花粉的杀菌杀死90%,室温下贮藏二年后,对蛋白质、氨基酸、微量元素等营养成分进行分析表明,6~12kGy辐照灭菌剂量对松花粉营养成分基本上没有影响。
短句来源
     A large number of fatty acids in the light hydrocarbons and aromatic fractions of the extracts from thermally simulated samples of modern pine pollens were identified by GC MS analysis. These biomarkers are clearly even carbon predominated.
     现代松粉的温 -压热模拟实验中 ,产出的轻质烃和氯仿抽提物芳烃馏份的GC MS分析均检出大量偶数碳优势明显的脂肪酸类分子生物标志物。
短句来源
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  相似匹配句对
     Sterilization effect of radiationon masson pine pollens
     松花粉辐射灭菌效应的研究
短句来源
     Characteristics and Thermal Evolvution of the Steroid Biomarkers from Pyrolysis of Pine Pollens
     松花粉热降解甾族分子生物标志化合物及其热演化特征
短句来源
     ,pine(Pinus sp.)
     、软木松(Pinus sp.)
短句来源
     ON PINE NEEDLE SCALES
     松梢蚧
短句来源
     30% for polyvalent pollens.
     夏秋花粉占30%,
短句来源
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  pine pollens
Today its range extends to 55 N, where the first pine pollens are reported as early as 9000 BP.
      


Through analysis and research of pine pollen and its extraction in recent years, the author proved that nutritive value of pine pollen and its extraction can compare favourably with bee pollen and especially content of trace element and vitamin in pine pollen and its extraction far exceed bee pollen. In order to go further into effect of pine pollen in maintaining normal function of physiology and biochemistry, promoting metabolism, increasing energy and preventing decrepitude,...

Through analysis and research of pine pollen and its extraction in recent years, the author proved that nutritive value of pine pollen and its extraction can compare favourably with bee pollen and especially content of trace element and vitamin in pine pollen and its extraction far exceed bee pollen. In order to go further into effect of pine pollen in maintaining normal function of physiology and biochemistry, promoting metabolism, increasing energy and preventing decrepitude, the author made tired-resistand experiment of pine pollen and its extraction with mouses. The result indicated that pine pollen and its extraction can increase greatly sport endurance of mouses.

通过近年来作者对马尾松花粉及其提取液的分析研究,证明松花粉及其提取液的营养价值不仅可和蜂采花粉媲美,特别是松花粉的微量元素与维生素的含量都远远超过蜂采花粉。为进一步探讨松花粉对于维持正常生理生化功能,促进代谢,增长能量,防止衰老等作用,作者用小鼠进行了松花粉及其提取液的抗疲劳试验,结果表明,松花粉及其提取液可大大提高小鼠的运动耐力。

2—3 paleosol layers were formed in the western plain of Northeast China during Holocene time. These paleosol layers interlayed with eolian fine sand layers. Their thicknesses are 0.3m, 1.0m and 2.0m respectively. The latter two layers with 1.0m and 2.0m thicknesses are distributed in the whole sandy land, from Qiqihar, Qiangguo to Chifeng, Zhangwu. Dated by ~(14)C, archeology and TL and analyzed by statistics, the formation periods of paleosols are divided from the results. The periods are 11 000—7 000, 5 500—4...

2—3 paleosol layers were formed in the western plain of Northeast China during Holocene time. These paleosol layers interlayed with eolian fine sand layers. Their thicknesses are 0.3m, 1.0m and 2.0m respectively. The latter two layers with 1.0m and 2.0m thicknesses are distributed in the whole sandy land, from Qiqihar, Qiangguo to Chifeng, Zhangwu. Dated by ~(14)C, archeology and TL and analyzed by statistics, the formation periods of paleosols are divided from the results. The periods are 11 000—7 000, 5 500—4 500, 3 500—2 800 and 1 400—1 000 a B. P. According to the spore-pollen compositions in more than ten sand dune paleosol profiles, it is discovered that there are few spore-pollens in the sand layers and a few spore-pollens in the paleosol layers. The spore-pollen compositions in the paleosols are simple, mainly Artemisia (50—75%) and Chenopodiaceae. In the paleosols of 11 000—7 000 a B. P., the spore-pollen composition is Arternisia-Rubiaceae-Chenopodiaceae. The contents of Ephedra pollen in the lower and upper part of the layer are more than that in the middle part. But the contents of algae spore in the lower and upper part of the layer are less than that in the middle part. In the paleosols of 5 500—4 500 a B. P., the spore-pollen composition is Artemisia-Chenopodiaceae-Melilotus. There are some Salix sp. and Betula sp. pollens in the lower part of layer and some Ephedra pollens in the upper part. In the paleosols of 3 500—2 800 a B. P., the spore-pollen composition is Artemisia-Chenopodiaceae-Rubiaceae. There are some Kochia and Baryaceae. In the paleosols of 1 400—1 000 a B. P., the spore-pollen composition also is Arternisia-Chenopodiaceae-Rubiaceae. There are a few Pine pollens. The grain size of paleosol is relatively coarse, but still finer than that of eolian sand and becomes coarser from the bottom to the top of the profile. This fact reflects that the weathering environments during the paleosol formation periods were wetter than that during the eolian periods and became dryer from middle to late Holocene.

东北平原西部全新世以来广泛地发育了2—3层古土壤,主要有四次发育时期,即11000—7000、5500—4500、3500—2800和1400—1000aB.P.。古土壤与风成沙形成互层。它们的孢粉组合特征和物理化学性质的变化反映古环境的变迁。作者认为,该区全新世以来的环境变迁出现四个由干旱到半干旱、半湿润的旋回。半干旱、半湿润时期的自然景观为蒿类草原或稀树(榆树)蔼类草原,发育了沙质淡黑钙土。

Calmodulin from both bovine brain and maize germs significantly promoted pollen germination and tube growth of Pinus yunnanensis and Nicotiana tabacum;CaM antagonists TFP and CPZ,and two other more specific drugs,W7 and compound 48/80,inhibited or stopped pollen germination and tube growth ;while W5,a less active analogue of W7,had little effect.The inhibitory effects of W7 could be abolished partiallyor totally by exogenous CaM.In addition,the CaM content in pine pollen increased significantly...

Calmodulin from both bovine brain and maize germs significantly promoted pollen germination and tube growth of Pinus yunnanensis and Nicotiana tabacum;CaM antagonists TFP and CPZ,and two other more specific drugs,W7 and compound 48/80,inhibited or stopped pollen germination and tube growth ;while W5,a less active analogue of W7,had little effect.The inhibitory effects of W7 could be abolished partiallyor totally by exogenous CaM.In addition,the CaM content in pine pollen increased significantly during pollen germination and reached a maximum when the percentage of germinated pollen was near its maximum.The results indicate that CaM plays an important role in the regulation and control of pollen germination and pollen tube growth.

牛脑和玉米胚CaM能显著促进花粉萌发和花粉管生长(图1),而CaM抑制剂TFP、CPZ及另外两个专一性更强的抑制剂Compound48/80和W7均严重抑制甚至阻止花粉的萌发(图2,3)。用对CaM亲和性较低的W7同系物W5,在与W7同样浓度下,对花粉萌发和花粉管生长无明显影响。此外,W7对花粉萌发和花粉管生长的抑制效应可被外源CaM所消除(图4)。在花粉萌发过程中,其内源CaM含量显著上升,在花粉萌发率接近最大值时,花粉CaM含量达最高水平(图5)。上述结果表明CaM对花粉萌发和花粉管生长的调控起重要作用。

 
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